EP3526297A1 - Vernis photopolymères thermoformables et anti-rayures - Google Patents
Vernis photopolymères thermoformables et anti-rayuresInfo
- Publication number
- EP3526297A1 EP3526297A1 EP17793999.8A EP17793999A EP3526297A1 EP 3526297 A1 EP3526297 A1 EP 3526297A1 EP 17793999 A EP17793999 A EP 17793999A EP 3526297 A1 EP3526297 A1 EP 3526297A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- diacrylate
- aliphatic
- acrylate
- oligomer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 24
- 230000003678 scratch resistant effect Effects 0.000 title description 5
- 239000000203 mixture Substances 0.000 claims abstract description 193
- 238000000034 method Methods 0.000 claims abstract description 44
- 238000005299 abrasion Methods 0.000 claims abstract description 32
- 238000004132 cross linking Methods 0.000 claims abstract description 31
- 230000005855 radiation Effects 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 15
- 239000000178 monomer Substances 0.000 claims description 147
- 125000001931 aliphatic group Chemical group 0.000 claims description 120
- 239000003085 diluting agent Substances 0.000 claims description 107
- 239000002966 varnish Substances 0.000 claims description 107
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 79
- -1 2-hydroxyethoxy Chemical group 0.000 claims description 63
- 125000004386 diacrylate group Chemical group 0.000 claims description 62
- 239000004922 lacquer Substances 0.000 claims description 51
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims description 49
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 42
- 239000004094 surface-active agent Substances 0.000 claims description 27
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 23
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 22
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 22
- 125000004432 carbon atom Chemical group C* 0.000 claims description 21
- JZMPIUODFXBXSC-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.CCOC(N)=O JZMPIUODFXBXSC-UHFFFAOYSA-N 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 18
- 229920003023 plastic Polymers 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 15
- 239000004417 polycarbonate Substances 0.000 claims description 15
- 238000003856 thermoforming Methods 0.000 claims description 15
- 239000012963 UV stabilizer Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 125000005442 diisocyanate group Chemical group 0.000 claims description 14
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 claims description 13
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 claims description 13
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 claims description 13
- 229920000515 polycarbonate Polymers 0.000 claims description 13
- 229920005862 polyol Polymers 0.000 claims description 13
- 150000003077 polyols Chemical class 0.000 claims description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 229920000570 polyether Polymers 0.000 claims description 11
- 229920001296 polysiloxane Polymers 0.000 claims description 11
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N benzo-alpha-pyrone Natural products C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000012952 cationic photoinitiator Substances 0.000 claims description 8
- 150000002148 esters Chemical group 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 238000006748 scratching Methods 0.000 claims description 8
- 230000002393 scratching effect Effects 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 7
- 229920001187 thermosetting polymer Polymers 0.000 claims description 7
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 229920000193 polymethacrylate Polymers 0.000 claims description 6
- 125000002723 alicyclic group Chemical group 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 235000001671 coumarin Nutrition 0.000 claims description 5
- 230000007547 defect Effects 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- 125000002524 organometallic group Chemical group 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 3
- 229960000956 coumarin Drugs 0.000 claims description 3
- 125000006165 cyclic alkyl group Chemical group 0.000 claims description 3
- 239000000975 dye Substances 0.000 claims description 3
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims description 2
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 claims description 2
- JZKPKNSYAHAKJY-UHFFFAOYSA-N 1-[4-(4-benzoylphenyl)sulfanylphenyl]-2-methyl-2-(4-methylphenyl)sulfonylpropan-1-one Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C)(C)C(=O)C(C=C1)=CC=C1SC1=CC=C(C(=O)C=2C=CC=CC=2)C=C1 JZKPKNSYAHAKJY-UHFFFAOYSA-N 0.000 claims description 2
- DHAFFBOOYVWPBT-UHFFFAOYSA-N 1-chloro-4-propan-2-ylthioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C(C(C)C)=CC=C2Cl DHAFFBOOYVWPBT-UHFFFAOYSA-N 0.000 claims description 2
- BTJPUDCSZVCXFQ-UHFFFAOYSA-N 2,4-diethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC(CC)=C3SC2=C1 BTJPUDCSZVCXFQ-UHFFFAOYSA-N 0.000 claims description 2
- LCHAFMWSFCONOO-UHFFFAOYSA-N 2,4-dimethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(C)=CC(C)=C3SC2=C1 LCHAFMWSFCONOO-UHFFFAOYSA-N 0.000 claims description 2
- RXJXDPDHNAYULH-UHFFFAOYSA-N 2-benzyl-2-(dimethylamino)-4-morpholin-4-yl-1-phenylbutan-1-one Chemical compound C=1C=CC=CC=1CC(C(=O)C=1C=CC=CC=1)(N(C)C)CCN1CCOCC1 RXJXDPDHNAYULH-UHFFFAOYSA-N 0.000 claims description 2
- ZCDADJXRUCOCJE-UHFFFAOYSA-N 2-chlorothioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(Cl)=CC=C3SC2=C1 ZCDADJXRUCOCJE-UHFFFAOYSA-N 0.000 claims description 2
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 claims description 2
- ZWVHTXAYIKBMEE-UHFFFAOYSA-N 2-hydroxyacetophenone Chemical class OCC(=O)C1=CC=CC=C1 ZWVHTXAYIKBMEE-UHFFFAOYSA-N 0.000 claims description 2
- BQZJOQXSCSZQPS-UHFFFAOYSA-N 2-methoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OC)C(=O)C1=CC=CC=C1 BQZJOQXSCSZQPS-UHFFFAOYSA-N 0.000 claims description 2
- IICCLYANAQEHCI-UHFFFAOYSA-N 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one Chemical compound O1C(=O)C(C(=C(Cl)C(Cl)=C2Cl)Cl)=C2C21C1=CC(I)=C(O)C(I)=C1OC1=C(I)C(O)=C(I)C=C21 IICCLYANAQEHCI-UHFFFAOYSA-N 0.000 claims description 2
- FLFUTLMFORCSMJ-UHFFFAOYSA-N CC(C1=CC=CC=C1)C(CC(C(=O)C1=CC=CC=C1)N(C)C)N1CCOCC1 Chemical compound CC(C1=CC=CC=C1)C(CC(C(=O)C1=CC=CC=C1)N(C)C)N1CCOCC1 FLFUTLMFORCSMJ-UHFFFAOYSA-N 0.000 claims description 2
- NPKSPKHJBVJUKB-UHFFFAOYSA-N N-phenylglycine Chemical compound OC(=O)CNC1=CC=CC=C1 NPKSPKHJBVJUKB-UHFFFAOYSA-N 0.000 claims description 2
- 244000028419 Styrax benzoin Species 0.000 claims description 2
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 2
- 235000008411 Sumatra benzointree Nutrition 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- MNCARFJUFRHXRC-UHFFFAOYSA-N [(2,6-dimethoxybenzoyl)-(2,4,4-trimethylcyclohexa-1,5-dien-1-yl)phosphoryl]-(2,6-dimethoxyphenyl)methanone Chemical compound COC1=CC=CC(OC)=C1C(=O)P(=O)(C=1C=CC(C)(C)CC=1C)C(=O)C1=C(OC)C=CC=C1OC MNCARFJUFRHXRC-UHFFFAOYSA-N 0.000 claims description 2
- DBHQYYNDKZDVTN-UHFFFAOYSA-N [4-(4-methylphenyl)sulfanylphenyl]-phenylmethanone Chemical compound C1=CC(C)=CC=C1SC1=CC=C(C(=O)C=2C=CC=CC=2)C=C1 DBHQYYNDKZDVTN-UHFFFAOYSA-N 0.000 claims description 2
- PHQQNEJXUBFKCH-UHFFFAOYSA-N [ethyl(phenyl)phosphanyl]-(2,4,6-trimethylphenyl)methanone Chemical compound CCP(C(=O)C1=C(C)C=C(C)C=C1C)C1=CC=CC=C1 PHQQNEJXUBFKCH-UHFFFAOYSA-N 0.000 claims description 2
- 150000008062 acetophenones Chemical class 0.000 claims description 2
- 229960002130 benzoin Drugs 0.000 claims description 2
- 239000012965 benzophenone Substances 0.000 claims description 2
- 150000008366 benzophenones Chemical class 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 150000004775 coumarins Chemical class 0.000 claims description 2
- ISAOCJYIOMOJEB-UHFFFAOYSA-N desyl alcohol Natural products C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 claims description 2
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 claims description 2
- 150000002211 flavins Chemical class 0.000 claims description 2
- 150000008377 fluorones Chemical class 0.000 claims description 2
- GNNILMDCYQGMRH-UHFFFAOYSA-N formyl benzoate Chemical class O=COC(=O)C1=CC=CC=C1 GNNILMDCYQGMRH-UHFFFAOYSA-N 0.000 claims description 2
- 235000019382 gum benzoic Nutrition 0.000 claims description 2
- LIIALPBMIOVAHH-UHFFFAOYSA-N herniarin Chemical compound C1=CC(=O)OC2=CC(OC)=CC=C21 LIIALPBMIOVAHH-UHFFFAOYSA-N 0.000 claims description 2
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 claims description 2
- 150000004893 oxazines Chemical class 0.000 claims description 2
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 claims description 2
- WVIICGIFSIBFOG-UHFFFAOYSA-N pyrylium Chemical compound C1=CC=[O+]C=C1 WVIICGIFSIBFOG-UHFFFAOYSA-N 0.000 claims description 2
- 150000004053 quinones Chemical class 0.000 claims description 2
- 150000004897 thiazines Chemical class 0.000 claims description 2
- OKYDCMQQLGECPI-UHFFFAOYSA-N thiopyrylium Chemical compound C1=CC=[S+]C=C1 OKYDCMQQLGECPI-UHFFFAOYSA-N 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 150000003918 triazines Chemical class 0.000 claims description 2
- YIKSHDNOAYSSPX-UHFFFAOYSA-N 1-propan-2-ylthioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C=CC=C2C(C)C YIKSHDNOAYSSPX-UHFFFAOYSA-N 0.000 claims 2
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 8
- 239000008199 coating composition Substances 0.000 abstract description 4
- 150000003254 radicals Chemical class 0.000 description 28
- 125000003118 aryl group Chemical group 0.000 description 18
- 238000012360 testing method Methods 0.000 description 16
- UHFFVFAKEGKNAQ-UHFFFAOYSA-N 2-benzyl-2-(dimethylamino)-1-(4-morpholin-4-ylphenyl)butan-1-one Chemical compound C=1C=C(N2CCOCC2)C=CC=1C(=O)C(CC)(N(C)C)CC1=CC=CC=C1 UHFFVFAKEGKNAQ-UHFFFAOYSA-N 0.000 description 13
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 10
- 239000000470 constituent Substances 0.000 description 10
- 239000000523 sample Substances 0.000 description 10
- LWRBVKNFOYUCNP-UHFFFAOYSA-N 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholin-4-ylpropan-1-one Chemical compound C1=CC(SC)=CC=C1C(=O)C(C)(C)N1CCOCC1 LWRBVKNFOYUCNP-UHFFFAOYSA-N 0.000 description 9
- 230000006378 damage Effects 0.000 description 9
- 238000006116 polymerization reaction Methods 0.000 description 9
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 description 8
- 150000001299 aldehydes Chemical class 0.000 description 8
- 125000004122 cyclic group Chemical group 0.000 description 8
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 125000000753 cycloalkyl group Chemical group 0.000 description 7
- 239000003999 initiator Substances 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 6
- 239000000049 pigment Substances 0.000 description 6
- 125000001424 substituent group Chemical group 0.000 description 6
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 5
- 125000005842 heteroatom Chemical group 0.000 description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-M methacrylate group Chemical group C(C(=C)C)(=O)[O-] CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 5
- 150000007530 organic bases Chemical class 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- HJIAMFHSAAEUKR-UHFFFAOYSA-N (2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC=CC=C1C(=O)C1=CC=CC=C1 HJIAMFHSAAEUKR-UHFFFAOYSA-N 0.000 description 4
- KWVGIHKZDCUPEU-UHFFFAOYSA-N 2,2-dimethoxy-2-phenylacetophenone Chemical compound C=1C=CC=CC=1C(OC)(OC)C(=O)C1=CC=CC=C1 KWVGIHKZDCUPEU-UHFFFAOYSA-N 0.000 description 4
- VMRIVYANZGSGRV-UHFFFAOYSA-N 4-phenyl-2h-triazin-5-one Chemical compound OC1=CN=NN=C1C1=CC=CC=C1 VMRIVYANZGSGRV-UHFFFAOYSA-N 0.000 description 4
- ZLWDJXQHDOUTGN-UHFFFAOYSA-N CC1=C(C(=O)PC2=CC=CC=C2)C(=CC(=C1)C)C.C(C)OCC Chemical compound CC1=C(C(=O)PC2=CC=CC=C2)C(=CC(=C1)C)C.C(C)OCC ZLWDJXQHDOUTGN-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 125000003342 alkenyl group Chemical group 0.000 description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 4
- 239000012964 benzotriazole Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 230000001976 improved effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- MUTNCGKQJGXKEM-UHFFFAOYSA-N tamibarotene Chemical compound C=1C=C2C(C)(C)CCC(C)(C)C2=CC=1NC(=O)C1=CC=C(C(O)=O)C=C1 MUTNCGKQJGXKEM-UHFFFAOYSA-N 0.000 description 4
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 3
- PUGOMSLRUSTQGV-UHFFFAOYSA-N 2,3-di(prop-2-enoyloxy)propyl prop-2-enoate Chemical compound C=CC(=O)OCC(OC(=O)C=C)COC(=O)C=C PUGOMSLRUSTQGV-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 229940123457 Free radical scavenger Drugs 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- XRMBQHTWUBGQDN-UHFFFAOYSA-N [2-[2,2-bis(prop-2-enoyloxymethyl)butoxymethyl]-2-(prop-2-enoyloxymethyl)butyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(CC)COCC(CC)(COC(=O)C=C)COC(=O)C=C XRMBQHTWUBGQDN-UHFFFAOYSA-N 0.000 description 3
- VEBCLRKUSAGCDF-UHFFFAOYSA-N ac1mi23b Chemical compound C1C2C3C(COC(=O)C=C)CCC3C1C(COC(=O)C=C)C2 VEBCLRKUSAGCDF-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000001246 colloidal dispersion Methods 0.000 description 3
- 125000000392 cycloalkenyl group Chemical group 0.000 description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 3
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000000847 optical profilometry Methods 0.000 description 3
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- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000012669 liquid formulation Substances 0.000 description 1
- VVNXEADCOVSAER-UHFFFAOYSA-N lithium sodium Chemical compound [Li].[Na] VVNXEADCOVSAER-UHFFFAOYSA-N 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- FTWUXYZHDFCGSV-UHFFFAOYSA-N n,n'-diphenyloxamide Chemical class C=1C=CC=CC=1NC(=O)C(=O)NC1=CC=CC=C1 FTWUXYZHDFCGSV-UHFFFAOYSA-N 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- OTLDLKLSNZMTTA-UHFFFAOYSA-N octahydro-1h-4,7-methanoindene-1,5-diyldimethanol Chemical compound C1C2C3C(CO)CCC3C1C(CO)C2 OTLDLKLSNZMTTA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- RZFODFPMOHAYIR-UHFFFAOYSA-N oxepan-2-one;prop-2-enoic acid Chemical compound OC(=O)C=C.O=C1CCCCCO1 RZFODFPMOHAYIR-UHFFFAOYSA-N 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001692 polycarbonate urethane Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001314 profilometry Methods 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 235000020354 squash Nutrition 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- XOALFFJGWSCQEO-UHFFFAOYSA-N tridecyl prop-2-enoate Chemical compound CCCCCCCCCCCCCOC(=O)C=C XOALFFJGWSCQEO-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/06—Other polishing compositions
- C09G1/14—Other polishing compositions based on non-waxy substances
- C09G1/16—Other polishing compositions based on non-waxy substances on natural or synthetic resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F136/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F136/02—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F136/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F136/22—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having three or more carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
- C08F2/50—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
- C08G18/622—Polymers of esters of alpha-beta ethylenically unsaturated carboxylic acids
- C08G18/6225—Polymers of esters of acrylic or methacrylic acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/5406—Silicon-containing compounds containing elements other than oxygen or nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09D175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
Definitions
- the present invention relates in particular to a composition of varnish crosslinkable under the action of UV-visible radiation, which has the advantage of being thermoformable and having excellent properties of resistance to scratching and to abrasion.
- the present invention also relates to a process for preparing a scratch and abrasion resistant thermoformable varnish comprising crosslinking a composition according to the invention under the action of UV-visible radiation.
- the present invention also relates to a method of protecting a support against scratches and abrasion, preferably said support being thermoformable or thermally bondable.
- the present invention also relates to a varnished article resistant to scratching and abrasion, preferably a thermoformable or thermosetting varnished article, obtainable by a method according to the invention, as well as the use of a composition according to the invention. invention to protect a possibly thermoformable or thermally bondable support against scratches and abrasion.
- the present invention also relates to the use of a composition according to the invention for the preparation of thermoformable varnishes resistant to scratching and abrasion.
- the present invention also relates to a thermoformable varnish resistant to scratching and abrasion, characterized in that it results from the crosslinking under the action of UV-visible radiation of at least one composition according to the invention.
- the scratch resistant polymer coatings are known per se.
- a major disadvantage of existing coating compositions is that the coatings produced from these compositions form cracks on plastic moldings during hot forming, and the coating on the thermoformed article takes on a milky cloudiness and loses its aesthetic quality.
- thermoforming of previously protected plastic plates e.g., coated with a protective lacquer layer
- transport costs of plastic plates flat are much lower than those of thermoformed articles, due in particular to the possibility of optimal stacking.
- coated plates are produced by different companies.
- the coated building boards can be manufactured for much wider distribution circuits than the preformed plates produced specifically for a customer.
- the present invention is specifically intended to meet these needs and disadvantages of the prior art by providing a crosslinkable composition under UV-visible at room temperature, which leads to a photocrosslinkable varnish, thermoformable / heat-resistant, resistant to scratches and abrasion and having excellent adhesion, especially on plastic substrates.
- the key of the present invention is based on the particular selection of certain varnish components, while reconciling good adhesion as well as scratch and abrasion resistance and thermoformability properties, which is particularly delicate.
- To achieve the first properties it is generally necessary to move towards polymers having a high glass transition temperature and a low tan ⁇ height.
- To obtain a thermodeformable material a relatively low crosslinking density is required.
- the invention relates to a UV-Visible crosslinkable varnish composition that makes it possible to achieve this compromise resistance to scratching / thermoformability.
- the invention relates to a crosslinkable lacquer composition under the action of UV-visible radiation comprising:
- substituted denotes the replacement of a hydrogen radical in a given structure with the radical of a specified substituent.
- substituted means for example the replacement of a hydrogen radical in a given structure by a radical R. When more than one position may be substituted, the substituents may be the same or different at each position.
- aliphatic within the meaning of the present invention, comprises saturated and unsaturated hydrocarbons, straight chain (ie, unbranched) or branched, cyclic or acyclic, excluding aromatic groups.
- the term “aliphatic” includes, but is not limited to, alkyl, alkenyl, alkynyl.
- Illustrative aliphatic groups thus include, but are not limited to, for example, methyl, ethyl, n-propyl, isopropyl, allyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, sec-pentyl, and the like.
- alicyclic in the sense of the present invention refers to compounds which combine the properties of aliphatic and cyclic compounds, and include, but are not limited to, bridged cyclic or polycyclic aliphatic hydrocarbons and cycloalkyl compounds, which are optionally substituted by one or more functional groups.
- alicyclic includes, but is not limited to, cycloalkyl, cycloalkenyl and cycloalkynyl, optionally substituted by one or more functional groups.
- Examples of alicyclic compounds therefore include, but are not limited to, for example, cyclopropyl, -cyb-cyclopropyl, cyclobutyl, -Chb-cyclobutyl, cyclopentyl, -Chb-cyclopentyl, cyclohexyl, -Chb-cyclohexyl, cyclohexenylethyl, cyclohexanylethyl, norborbyl radicals and the like, which again can carry one or more substituents.
- alkyl means a saturated linear, branched, cyclic or acyclic saturated carbon radical, optionally substituted, comprising 1 to 25 carbon atoms, for example 1 to 10 carbon atoms, for example 1 to 8 carbon atoms. carbon atoms, for example 1 to 6 carbon atoms.
- alkyl groups include, but are not limited to, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, sec-pentyl, isopentyl, tert-pentyl , n-hexyl, sec-hexyl, etc.
- haloalkyl means an alkyl radical as defined above, substituted with at least one halogen atom.
- haloalkyl groups include, but are not limited to, chloromethyl, bromomethyl, trifluoromethyl, and the like.
- cycloalkyl in the sense of the present invention refers specifically to cyclic alkyl groups having three to seven, preferably three to ten, carbon atoms. Cycloalkyl groups include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl and the like, which may optionally be substituted. A similar convention applicable to other generic terms such as “cycloalkenyl” and "cycloalkynyl”.
- aryl means an aromatic system comprising at least one ring satisfying the Huckel aromaticity rule. Said aryl is optionally substituted and may comprise from 6 to 50 carbon atoms, for example 6 to 20 carbon atoms, for example 6 to 10 carbon atoms. For example, there may be mentioned phenyl, indanyl, indenyl, naphthyl, phenanthryl and anthracyl.
- heteroaryl means a system comprising at least one aromatic ring of 5 to 50 members, among which at least one member of the aromatic ring is a heteroatom, chosen in particular from the group comprising sulfur, oxygen, nitrogen, boron.
- Said heteroaryl is optionally substituted and may comprise from 1 to 50 carbon atoms, preferably 1 to 20 carbon atoms, preferably 3 to 10 carbon atoms.
- pyridyl pyrazinyl, pyrimidinyl, pyrrolyl, pyrazolyl, imidazolyl, thiazolyl, oxazolyl, isooxazolyl, thiadiazolyl, oxadiazolyl, thiophenyl, furanyl, quinolinyl, isoquinolinyl, and the like.
- arylalkyl means an aryl substituent bonded to the remainder of the molecule via an alkyl radical. An analogous convention is used for "heteroarylalkyl".
- alkoxyl in the sense of the present invention, an alkyl substituent as defined above linked to the rest of the molecule via an oxygen atom.
- methoxyl ethoxyl, etc.
- halogen within the meaning of the present invention denotes an atom chosen from fluorine, chlorine, bromine and iodine.
- the term "initiator” is intended to mean a chemical compound or a combination of compounds that can trigger a polymerization reaction.
- the term “photoinitiator” means an initiator which, under the action of light radiation, can trigger a photopolymerization reaction.
- thermoformable when this term is used to qualify a photocrosslinked varnish according to the invention, a varnish which, when applied and photocrosslinked on a thermoformable or thermally bondable support, may be subjected to thermoforming with said support on any conventional thermoforming / thermodeamage apparatus commercially available or equivalent, preferably without the appearance of cracking of the varnish at the end of the thermoforming or thermoset process.
- it will be a varnish film covering all or part of the surface of a plate of a thermoformable or thermally bondable support, such as a thermoformable or thermosetting plastic support, preferably polycarbonate or polymethacrylate plates. , in particular polymethyl methacrylate.
- a photocuring lacquer according to the present invention is said to be "thermoformable” if, when the photocurable lacquer composition is applied to the calibrated bar on a 5 mm thick PMMA plate of 300 ⁇ 300 mm (preferably a PMMA) "ShieldUp®” (Arkema)) in the form of a film of 9 to 20 ⁇ thick, and is cross-linked under UV-visible radiation in a single step at room temperature (25 ° C) without the addition of solvent, the crosslinked varnish thus obtained covering the PMMA plate, does not exhibit cracking when the PMMA plate coated with varnish is subjected to the thermoforming test carried out by the process in 2D draping According to the protocol of Example 6.
- the term "oligomer" when used to qualify a multifunctional urethane acrylate oligomer is synonymous with "prepolymer” as conventionally used in the field of UV-Visible crosslinkable resins.
- the multifunctional urethane acrylate oligomers are prepared by reacting a diisocyanate or triisocyanate compound, preferably diisocyanate, with a hydroxylated acrylate monomer,
- the hydroxylated acrylate monomer may be a random mixture resulting from the reaction of a polyol with a stoichiometric defect of acrylic acid.
- the polyol may comprise for example 1 to 6 hydroxyl functions. Therefore, the hydroxyl acrylate monomer may comprise residual hydroxyl functions (which will not react with an acrylic acid unit) and one or more acrylate functions.
- the hydroxylated acrylate monomer may comprise an average number of residual hydroxyl functions of between 1 and 3, preferably between 1 and 2, more preferably 1 or close to 1 (ie an average number of residual hydroxyl functions of 1 to 1, 2, even 1 to 1, 1 or even 1). In the same way, the hydroxylated acrylate monomer can comprise an average number of acrylate functional groups of between 1 and 5.
- Di- or triisocyanate Hydroxylated acrylate monomer A multifunctional urethane acrylate oligomer in which: m represents 2 or 3; preferably 2; n represents the average number of acrylate functions present on the hydroxylated acrylate monomer, and is between 1 and 5; preferably between 1 and 4; preferably between 1 and 3; preferably between 1 and 2; preferably 1; p represents the average number of hydroxyl functions remaining on the hydroxylated acrylate monomer, and is between 1 and 3, preferably between 1 and 2, more preferably 1 or close to 1 (ie an average number of residual hydroxyl functions of 1 to 1 , 2, or even 1 to 1, 1 or even 1);
- Ri represents a linear or cyclic aliphatic group, or aromatic
- n, m and p are such that the multifunctional urethane acrylate oligomer comprises 2 to 9 acrylate functional groups (acrylate units).
- m represents preferably 2 and n preferably 1.
- p represents a mean number equal to 1 or close to 1 (ie an average number of 1 to 1, 2, or even 1 to 1, 1, or even 1 m is preferably 2 and n preferably 1.
- the hydroxylated acrylate monomer may be in stoichiometric excess with respect to the di- or triisocyanate.
- the oligomer urethane acrylate will have a functionality equal to twice or three times the average, depending on whether diisocyanate or triisocyanate, respectively, is used.
- TDI toluene diisocyanate
- HMDI hexamethylene diisocyanate
- NPDI isophorone diisocyanate
- MDI diphenyl methane diisocyanate
- urethane acrylate oligomers used in the context of the invention are not limited to those obtained from these most common isocyanates.
- the urethane acrylate oligomers used in the context of the invention may be derived from any known diisocyanate or triisocyanate, whether aliphatic or aromatic. However, for external applications, which require good resistance to UV and aging, aliphatic diisocyanates or triisocyanates, especially aliphatic diisocyanates, are preferred.
- the urethane acrylate oligomers used in the context of the invention may be derived from linear or alicyclic aliphatic diisocyanates, which are in general more flexible than those derived from aromatic diisocyanates.
- linear aliphatic diisocyanates mention may be made of the OCN- (CH 2) x -NCO type diisocyanates, where x represents an integer of 1 to 10, preferably from 4 to 8. For example, it may be hexamethylene diisocyanate. .
- alicyclic diisocyanates mention may be made of isophorone diisocyanate, hydrogenated xylylene diisocyanate, hydrogenated tolylene diisocyanate, and hydrogenated methylene diphenyl diisocyanate.
- hydroxylated acrylate monomers that can be used to generate the urethane acrylate oligomers according to the invention, mention may be made of 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, 2-hydroxybutyl acrylate, and 3-hydroxybutyl acrylate.
- urethane acrylate oligomers prepared from diisocyanates or triisocyanates whose chain has been extended by a polyol (for example, 1,6-hexanediol) or a polyester, polyether or polycarbonate comprising residual hydroxyl functions, before acrylation.
- the principle is illustrated schematically in Diagram 2 below for the diisocyanates.
- the hydroxylated acrylate monomer may be a random mixture resulting from the reaction of a polyol with a stoichiometric defect of acrylic acid, and that the hydroxylated acrylate monomer may be in stoichiometric excess with respect to the diisocyanate.
- the principle extends in the same way to triisocyanates.
- oligomers polyyester, polyether, polycarbonate or polyol
- the multifunctional urethane acrylate oligomers considered in the present invention are those which can be obtained according to Scheme 1 (ie, without elongation of the urethane chain with a polyol, or a polyester, polyether or polycarbonate comprising residual hydroxyl functions).
- the multifunctional urethane acrylate oligomers according to the present invention are products of the reaction of a diisocyanate or triisocyanate with a hydroxylated acrylate monomer, preferably with a stoichiometric excess of a hydroxylated acrylate monomer, said hydroxyl acrylate monomer being a statistical mixture resulting from the reaction of a polyol with a stoichiometric defect of acrylic acid, provided that the chain of the diisocyanate or triisocyanate has not previously been extended by a polyol (eg 1,6-hexanediol) or a polyester, polyether or polycarbonate comprising residual hydroxyl functions.
- the multifunctional urethane acrylate oligomers according to the present invention may correspond to the following formula I:
- R 1 represents a C 1 to C 10 aliphatic radical, a C 5 to C 8 alicyclic radical or a C 6 to C 13 aromatic mono- or bicyclic radical, preferably a C 1 to C 10 aliphatic radical or a C 5 to C 8 alicyclic radical optionally substituted by one or more C1 - C radicals; C6 alkyl; and
- n, m and p are such that the multifunctional urethane acrylate oligomer of formula (I) comprises 2 to 9 acrylate functional groups (acrylate units).
- n preferably represents 2 and n preferably 1.
- p represents a mean number equal to 1 or close to 1 (i.e. an average number of 1 to 1, 2, or even 1 to 1, 1, or even 1)
- m is preferably 2 and n preferably 1.
- the multifunctional oligomeric urethane acrylate according to the present invention correspond to the following formula A:
- R 1 and R 2 are as defined above, and each occurrence of n independently represents an average number of acrylate functions of 1 to 4; preferably between 1 and 3; preferably between 1 and 2; preferably 1.
- the functionality of the oligomer urethane acrylate is 2n.
- the multifunctional urethane acrylate oligomers according to the present invention may also correspond to the following formula I B :
- R 1 and R 2 are as defined above, and each occurrence of n independently represents an average number of acrylate functions of between 1 and 3; preferably between 1 and 2; preferably 1.
- the functionality of the urethane acrylate oligomer is 3n.
- the multifunctional urethane acrylate oligomer may be chosen from the multifunctional urethane acrylate oligomers of formula I as defined above, available commercially, for example from Sartomer and Allnex.
- the multifunctional urethane acrylate oligomers that may be used in the context of the present invention may be chosen from:
- TPGDA tripropylene glycol diacrylate
- CN9260D75 Aliphatic Aliphatic Urethane Diluted with 25% Trifunctional GPTA (Propoxylated Glyceryl Triacrylate)
- they may be multifunctional oligomers CN9165A®, CN9167®, CN9210®, CN9215®, CN9276®, CN991®, EBECRYL1290®.
- Aliphatic urethane acrylate oligomers are particularly preferred.
- the multifunctional oligomer may be an aliphatic diacrylate urethane (such as CN981®, CN9001® or CN991®), tetracrylate (such as CN9276®), or hexacrylate (such as CN9210® or EB1290).
- the multifunctional oligomer may be an aliphatic urethane diacrylate such as CN981®, CN9001® or CN991®.
- the multifunctional oligomer may be a multifunctional aliphatic urethane acrylate oligomer comprising 6 to 9 acrylate functional groups, preferably an aliphatic urethane hexaacrylate oligomer (such as CN9210®, CN9215® or EBECRYL1290®), an aliphatic octa- or nonacrylate.
- an aliphatic urethane hexaacrylate oligomer such as CN9210®, CN9215® or EBECRYL1290®
- an aliphatic octa- or nonacrylate such as CN9210®, CN9215® or EBECRYL1290®
- the ratio of reactive diluent (s) to oligomer (s) multifunctional (s) can be between 1, 3 and 3.5, preferably between 1, 3 and 3.0 the ratio being calculated considering the weight of the acrylate monomers.
- the multifunctional diacrylate / oligomer monomer mass ratio is between 1.3 and 1.7, in particular when the reactive diluent is an aliphatic diacrylate monomer such as SR238®.
- the multifunctional oligomeric / diacrylate monomer weight ratio may be greater and be between 1.5 and 3.5, in particular between 1.5 and 3.0 for a mixture. of two diacrylate monomers such as SR238® and TCDDA (the weight of the monomers is then considered acrylate to calculate the ratio).
- the aforementioned mass ratios are particularly advantageous when the multifunctional oligomer is an aliphatic diacrylate urethane oligomer (such as CN981®, CN9001® or CN991®).
- the multifunctional oligomer preferably an aliphatic urethane diacrylate oligomer
- the reactive diluent is composed of a single diacrylate monomer (such as SR238®)
- the multifunctional oligomer preferably an aliphatic urethane diacrylate oligomer
- the multifunctional oligomer preferably an aliphatic urethane oligomer having at least 6 acrylate functional groups
- the multifunctional oligomer may be a hexa-, octa- or nonacrylate aliphatic urethane oligomer, may be present in a proportion of 50 to 65 % by weight relative to the total weight of the crosslinkable lacquer composition.
- said at least one reactive diluent may be selected from aliphatic acrylate monomers, preferably aliphatic mono-, di-, tetra- or hexacrylate monomers.
- the aliphatic radicals of the reactive diluent are saturated.
- the crosslinkable lacquer compositions according to the invention may contain from 20% by weight to 75% by weight of reactive diluent, relative to the total weight of the crosslinkable lacquer composition according to the invention, which reactive diluent may be used as a mixture of at least two reagent diluents.
- the reactive diluents in addition to their function as a reactant for the polymerization reaction of the composition, also make it possible to define a viscosity of the varnish composition in a range of about 10 to about 250 mPa.s.
- a viscosity of the varnish composition in a range of about 10 to about 250 mPa.s.
- low viscosities for varnish compositions which are intended for flow varnish or dip coating operations, it is more usual to use low viscosities of the order of 1 to 20 mPa.s.
- the appropriate viscosities are in the range of 20 to 250 mPa ⁇ s.
- the methods for applying the varnishes according to the invention comprise the puuerisarion / sprinkling or roller application.
- the indicated values should be considered as indicative values and refer to the measurement of the viscosity at 20 ° C with a rotary viscometer according to DiN 53 019.
- the acrylate reactive diluents may be chosen from acrylate monomers commercially available, for example from Sartomer.
- acrylates derived from saturated alcohols, such as ethyl methyl acrylate, propyl acrylate, n-butyl acrylate, tert-butyl acrylate, pentyl acrylate, acrylate and 2-ethylhexyl acrylate, for example ; alkyl acrylates, such as 3-hydroxypropyl acrylate, 3,4-dihydroxybutyl acrylate, 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate;
- Diacrylates such as 1,4-butanediol, alkyl diacrylates.
- the acrylate reactive diluents may be chosen from acrylate monomers commercially available, for example from Sartomer.
- the reactive diluents that can be used in the context of the present invention may be chosen from:
- CD9075 Lauryl Acrylate Alkoxylated Monofunctional
- said at least one reactive diluent may be a mixture of two acrylate monomers selected from monomers mono-, di-, tetra- or hexacrylate, preferably the aliphatic mono-, di-, tetra- or hexacrylate monomers.
- it may be mono-, di-, or tetracrylate monomers such as isobornyl acrylate (SR506®), tetrahydrofurfuryl acrylate (SR285®), 1,6-hexane diol diacrylate (SR238®), tricyclodecane dimethanol diacrylate (SR833S®) and SR355®, more preferably a mixture of two aliphatic diacrylate monomers, such as SR238® or SR833S®.
- monomers such as isobornyl acrylate (SR506®), tetrahydrofurfuryl acrylate (SR285®), 1,6-hexane diol diacrylate (SR238®), tricyclodecane dimethanol diacrylate (SR833S®) and SR355®, more preferably a mixture of two aliphatic diacrylate monomers, such as SR238® or SR833S®.
- the reactive diluent contains at least one diacrylate monomer, preferably an aliphatic diacrylate monomer.
- said at least one reactive diluent may be selected from the diacrylate monomers, preferably the aliphatic diacrylate monomers.
- it may be SR238® or SR833S®.
- said at least one reactive diluent may be a mixture of at least two diacrylate monomers, preferably exactly two diacrylate monomers, preferably aliphatic monomers.
- it may be a mixture of SR238® and SR833S®.
- compositions according to the invention may comprise at least one acrylate monomer reactive diluent, in which the mass ratio of reactive diluent (s) / oligomer (s) multifunctional (s) is between 1, 3 and 3.5 , preferably between 1, 5 and 3.0, the ratio being calculated by considering the weight of the acrylate monomers.
- the compositions according to the invention may comprise at least two acrylate monomer reactive diluents, in which the mass ratio of reactive diluents / multifunctional oligomer is between 1.5 and 3.5, in particular between 1.5 and 3.0 (the weight of the acrylate monomers is considered to calculate the ratio).
- the two reactive diluents may be aliphatic or alicyclic diacrylate monomers. Most preferably, it may be a mixture of a monomeric aliphatic diacrylate reactive diluent, and an alicyclic diacrylate monomer reactive diluent. For example a mixture of SR238® and SR833S®.
- the compositions according to the invention may comprise a diacrylate monomer as reactive diluent (such as SR238®), in which the Diacrylate / multifunctional oligomer monomer mass ratio is between 1, 3 and 1, 7.
- a diacrylate monomer as reactive diluent such as SR238®
- the Diacrylate / multifunctional oligomer monomer mass ratio is between 1, 3 and 1, 7.
- the adhesion of the crosslinkable lacquer composition according to the invention to the substrate on which it is coated / deposited is thereby improved.
- This diacrylate / multifunctional oligomeric monomer mass ratio is also important for the scratch resistance of the final varnish (after crosslinking).
- the multifunctional diacrylate / oligomer monomer mass ratio is between 1.3 and 1.7, the scratch resistance of the varnish is improved.
- the reactive diluent, or mixture of reactive diluents may be present in a proportion of from 20 to 70% by weight, preferably from 30 to 70% by weight, preferably from 40 to 70% by weight, relative to the total weight of the composition.
- the above-mentioned% are particularly advantageous when the multifunctional oligomer is an aliphatic urethane diacrylate oligomer (such as CN981®, CN9001® or CN991®).
- the reactive diluent, or mixture of reactive diluents may be present in a proportion of 30 to 40% by weight relative to the total weight of the composition.
- the above-mentioned% are particularly advantageous when the multifunctional oligomer is an aliphatic urethane oligomer of acrylate functionality greater than or equal to 6, for example, the multifunctional oligomer may be a hexa-, octa- or nonacrylate aliphatic urethane oligomer.
- said at least one reactive diluent allows a modulation of the viscosity of the composition, and an improvement of the adhesion on a plastic substrate.
- said at least one reactive diluent can make it possible to increase the crosslinking density and the glass transition temperature (Tg) of the crosslinked lacquer.
- the lacquer composition according to the invention may be polymerized or crosslinked using known free-radical initiators which are added to the lacquer composition in an amount of from 0.01% by weight to 10% by weight, preferably 1% by weight to 30% by weight. 6% in weight, preferably 1% by weight to 3% by weight, based on the total weight of the crosslinkable lacquer composition.
- the photoinitiator Under the action of UV-visible radiation, the photoinitiator generates radicals that will be responsible for initiating the photopolymerization reaction, and thus increases the efficiency of the photopolymerization reaction. This is of course chosen according to the light source used, according to its ability to effectively absorb the selected radiation. For example, the appropriate photoinitiator can be chosen from its UV-visible absorption spectrum.
- the photoinitiator is adapted to work with irradiation sources emitting in the near-visible zone.
- the source of the UV or visible radiation may be an LED, or a discharge lamp.
- it may be a Hg / Xe lamp.
- Natural light can also be used.
- a suitable photoinitiator will have to be used.
- said at least one photoinitiator can be chosen from: o type I radical photoinitiators
- acetophenones from the family of acetophenones, alkoxyacetophenones and derivatives such as 2,2-dimethoxy-2-phenyleacetophenone and 2,2-diethyl-2-phenyleacetophenone;
- hydroxyacetophenones and derivatives such as 2,2-dimethyl-2-hydroxyacetophenone, 1-hydroxycyclohexylphenyl ketone, 2-hydroxy-4 '- (2-hydroxyethoxy) -2-methyl-propriophenone and 2-hydroxy- 4 '- (2-hydroxypropoxy) -2-methyl-propriophenone;
- benzoin ethers and derivatives such as benzyl, benzoin methyl ether and benzoin isopropyl ether; of the family of phosphine oxides and derivatives such as diphenyl- (2,4,6-trimethylbenzoyl) phosphine oxide (TPO), oxide ethyl- (2,4,6-trimethylbenzoyl) phenylphosphine (TPO-L) and bis (2,6-dimethoxybenzoyl) -2,4,4-trimethylphenyl phosphine oxide (BAPO);
- TPO diphenyl- (2,4,6-trimethylbenzoyl) phosphine oxide
- TPO-L oxide ethyl- (2,4,6-trimethylbenzoyl) phenylphosphine
- BAPO bis (2,6-dimethoxybenzoyl) -2,4,4-trimethylphenyl phosphine oxide
- thioxanthones and derivatives such as risopropylthioxanthone (ITX), 2,4-diethylthioxanthone, 2,4-dimethylthioxantone, 2-chlorothioxanthone and 1-chloro-4-isopropylthioxanthone;
- photoinitiators of the family of dyes such as triazines and derivatives, fluorones and derivatives, cyanines and derivatives, safranins and derivatives, 4,5,6,7-tetrachloro-3 ', 6'-dihydroxy-2', 4 ', 5', 7'-tetraiodo-3H-spiro [isobenzofuran-1,9'-xanthen] -3-one, pyrylium and thiopyrylium and derivatives, thiazines and derivatives, flavins and derivatives, pyronines and derivatives , oxazines and derivatives, rhodamines and derivatives;
- the photoinitiator will be chosen according to the light source used for the polymerization / crosslinking.
- radical type photoinitiators I am preferred.
- the photoinitiator can be chosen from: TPO, TPO-L, BAPO, Irgacure 369®, Irgacure 907®, Irgacure 184®, or a mixture of at least two of these.
- surfactants for regulating the surface tension of the crosslinkable lacquer composition and for obtaining good application properties may be mentioned.
- silicones such as various types of polymethylsiloxanes, in concentrations of between 0.1% by weight and 10% by weight, preferably between 1% and 10% by weight. preferably from 1% to 5% by weight of the total weight of the composition.
- the reader may refer for example to document EP 0 035 272.
- the surfactant may be a silicone-based agent or an acrylic-based copolymer.
- it may be a silicone-based surface agent such as a modified polydimethylsiloxane polyether (BYK-302®) or modified polydimethylsiloxane multiacrylate (BYK-UV 3505®).
- the surfactant makes it possible to increase the wettability of the composition, and to copolymerize with the formulation.
- compositions according to the invention may further comprise at least one UV stabilizer selected from UV absorbers (such as benzotriazole (BTZ) and derivatives, hydroxybenzophenone (HBP) and derivatives, or hydroxy-phenyl-triazine (HPT) and derivatives) and free radical scavengers of the sterically hindered amine family (such as the following compounds:
- UV absorbers such as benzotriazole (BTZ) and derivatives, hydroxybenzophenone (HBP) and derivatives, or hydroxy-phenyl-triazine (HPT) and derivatives
- free radical scavengers of the sterically hindered amine family such as the following compounds:
- the main function of a UV absorber is to protect the varnish layer from the deleterious effects of solar irradiation, to prevent the degradation and discoloration of the varnish.
- the free radical scavengers on the other hand, mainly those of the family of sterically hindered amines, have the function of preventing the oxidative degradation of the upper layer of the varnish.
- said at least one stabilizing agent is present in concentrations of between 0.1% by weight and 10% by weight, preferably between 1% and 10% by weight of the total weight of the composition.
- the composition may further comprise a hybrid organic-inorganic reactive diluent which can react by photopolymerization and photosol-gel reaction, of formula (II) R) -Si- (R 5 ) m , in which m represents an integer between 1 and 3; each occurrence of R 4 independently represents a non-hydrolysable group covalently bonded to Si via a carbon atom and it being understood that at least one occurrence of R 4 comprises a saturated photopolymerizable group; and each occurrence of R 5 independently represents a hydrolyzable group selected from C 1 -C 6 alkoxy, C 1 -C 6 acyloxy, a halogen atom, or an amino group; preferably C1-C6 alkoxy such as methoxy or ethoxy, preferably methoxy.
- the unsaturated photopolymerizable group can be an acrylate or methacrylate group.
- At least one occurrence of R 4 comprises an unsaturated photopolymerizable group capable of polymerizing with one of the polymerizable groups of the oligomer urethane acrylate and / or of said at least one acrylate monomer, or of the polymerization product thereof.
- the hybrid reactive diluent of formula (II) is in liquid form at the temperature of implementation of the polymerization.
- the method of implementation is carried out at ambient temperature (25 ° C. ⁇ 3 ° C.).
- the hybrid reactive diluent of formula (II) is therefore preferably in liquid form at 25 ° C. ⁇ 3 ° C.
- each of the R 4 groups may be independently of each other any type of hydrocarbyl group comprising C and H atoms optionally interrupted by at least one heteroatom selected from oxygen, sulfur and hydrogen atoms. nitrogen; and may include, for example, alkyl groups, cycloalkyl groups, alkenyl groups, cycloalkenyl groups, aromatic groups, which are optionally interrupted by at least one heteroatom, selected from oxygen, sulfur and nitrogen atoms. ; and can be linear or branched.
- m represents 3.
- the hybrid reactive diluent of formula (II) is an organo mono (trialkoxysilane) wherein: each occurrence of R 5 independently represents a linear or branched alkoxyl group having 1 to 6 carbon atoms, preferably each occurrence of R 5 represents independently methoxy or ethoxy, preferably methoxy, and each occurrence of R 4 independently represents a linear or branched alkyl group having 1 to 20 carbon atoms, preferably 4 to 16 carbon atoms, more preferably 8 to 12 atoms carbon optionally interrupted by at least one heteroatom selected from oxygen, sulfur and nitrogen; a cycloalkyl group having 3 to 20 carbon atoms, for example 6 carbon atoms (cyclohexyl); a linear or branched alkenyl group having 1 to 20 carbon atoms such as a vinyl group; an aryl group having 3 to 20 carbon atoms such as a phenyl group; C1-C20alkyl-C3-C20aryl;
- each occurrence of R 4 independently represents a non-hydrolysable group as defined above covalently bonded to Si via a carbon atom and it being understood that at least one occurrence of R 4 comprises an unsaturated photopolymerizable hydrocarbyl group comprising at least one heteroatom selected from oxygen and nitrogen atoms, such as an acrylate or methacrylate group; and each occurrence of R 5 independently represents a hydrolyzable group selected from C 1 -C 6 alkoxy, such as methoxy or ethoxy, preferably methoxy.
- silane compound of formula (II) can be:
- silane compound of formula (II) can be:
- compositions according to the invention makes it possible to increase the crosslinking density of the lacquer via a second inorganic network created in situ.
- the hybrid reactive diluent of formula (II) is added at 1 to 50% by weight, for example, 25 to 35% by weight, or about 30% by weight of the total weight of the crosslinkable lacquer composition.
- said at least one photoinitiator may also further contain at least one cationic photoinitiator selected from onium salts, organometallic complexes, and nonionic photoacids.
- the onium salts may be chosen from hexafluoroantimonate, hexafluorophosphate or onium tetrafluoroborate salts; such as 4-methylphenyl) [4- (2-methylpropyl) phenyl] iodonium hexafluorophosphate salt, bis (4-methylphenyl) iodonium hexafluophosphate salt), bis (dodecylphenyl) iodonium hexafluorophosphate salt, salt hexafluorophosphate 9- (4- hydroxyethoxyphenyl) thianthrenium, diphenyl iodonium triflate, or a mixture of at least two thereof).
- 4-methylphenyl) [4- (2-methylpropyl) phenyl] iodonium hexafluorophosphate salt bis (4-methylphenyl) iodonium hexafluophosphate salt)
- the organometallic complexes may be chosen from metallocenium salts, preferably from ferrocenium salts such as ⁇ hexafluorophosphate cyclopentadienylcumen de fer).
- the nonionic photoacids may be selected from alkyl / aryl sulfonic acids, fluorinated sulfonic acids, sulfonimides, boronic tetra aryl acids, or a mixture of at least two thereof.
- the cationic photoinitiator may be lgacure 250 of formula:
- iodonium salts known in the art can be used as cationic photoinitiators in the context of the invention.
- they may be cationic photoinitiators such as 4-methylphenyl) [4- (2-methylpropyl) phenyl] iodonium hexafluorophosphate salt, bis (4-methylphenyl) iodonium hexafluophosphate salt, salt bis (dodecylphenyl) iodonium hexafluorophosphate, 9- (4-hydroxyethoxyphenyl) thianthrenium hexafluorophosphate salt, diphenyl iodonium triflate, or a mixture of at least two thereof).
- the cationic photoinitiator is added in a proportion of 1 to 10% by weight, of the total weight of the crosslinkable lacquer composition.
- composition may further comprise any other additive conventionally used in the field of varnishes, and applications to varnish coated materials.
- suitable additives include:
- pigments such as colored pigments, fluorescent pigments, electrically conductive pigments, magnetic shielding pigments, powders metallic, scratch-proofing pigments), organic dyes, or mixtures thereof;
- adhesion promoters such as tricyclodecanedimethanol
- leveling agents in English
- film-forming adjuvants such as cellulose derivatives
- sag control agents such as ureas, ureas and / or modified silicas
- inorganic phyllosilicates such as magnesium aluminum silicates, magnesium phyllosilicates of sodium or magnesium fluorine of sodium lithium phyllosilicates of the montmorillonite type;
- silicas such as aerosil® silicas
- the flatting agents such as magnesium stearate, and / or
- Nanocryl® products from Evonik, in particular Nanocryl® in the range 200, 210, 215, 220, 223, 225, 235 and 370 designed for structural adhesive applications, which are colloidal dispersions of silica in mono-, di- or trifunctional acrylate monomers, tri- or tetrafunctional polyether acrylates, or methacrylate monomers.
- Nanocomposite coatings acrylate sold by Cetelon Nanotechnik GmbH under the tradename CETOSIL® which contain up to 30% nanometric silica may also be used in this context.
- the products in the CETOSIL® range contain surface-functionalized silica nanoparticles, which ensure the transparency and low viscosity of these coatings.
- tackifier refers to polymeric adhesives which increase tack, i.e., intrinsic viscosity or self-adhesion, compositions such that, after slight pressure a short period, they adhere securely on surfaces.
- the reactive diluents B) and F) contribute to solubilize the entire reaction mixture, and act as organic solvent. It is nevertheless possible to implement the invention in the presence of an organic solvent.
- any organic solvent conventionally used in the field of UV curable resins can be used.
- EP 0 035 272 [1] describes typical organic solvents for coating compositions for anti-scratch coating materials, which can be used as diluents. It can be, for example:
- alcohols such as ethanol, isopropanol, n-propanol, isobutyl alcohol and n-butyl alcohol, methoxypropanol, methoxyethanol;
- aromatic solvents such as benzene, toluene or xylene, for example,
- ketones such as acetone or methyl ethyl ketone. It is also possible to use ethereal solvents, such as diethyl ether compounds or an ester such as ethyl acetate, n-butyl acetate or ethyl propionate, for example.
- ethereal solvents such as diethyl ether compounds or an ester such as ethyl acetate, n-butyl acetate or ethyl propionate, for example.
- the solvents can be used alone or in combination.
- Variant 1 Advantageously, in the crosslinkable lacquer composition according to the invention:
- the multifunctional oligomer may be an aliphatic diacrylate urethane oligomer (such as CN981®, CN9001® or CN991®), tetracrylate (such as CN9276®), or hexacrylate (such as CN9210® or EB1290); preferably an aliphatic diacrylate urethane oligomer (such as CN981®, CN9001® or CN991®);
- said at least one reactive diluent can be selected from aliphatic acrylate monomers, preferably aliphatic mono-, di-, tetra- or hexacrylate monomers, most preferably aliphatic diacrylate monomers, for example SR238®;
- the photoinitiator may be selected from radical photoinitiators such as diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide (TPO), diethyl ether (2,4,6-trimethylbenzoyl) phenylphosphine (TPO-L) bis (trimethylbenzoyl) phenylphosphine oxide (BAPO), 2- (dimethylamino) -1- (4- (4-morpholinyl) phenyl) -2- (phenylmethyl) -1-butanone (irgacide 369®), irgacide 1300 ® (2- (dimethylamino) -1- (4- (4-morpholinyl) phenyl) -2- (phenylmethyl) -1-butanone (30% by weight) + Alpha, alpha-dimethoxy-alpha-phenylacetophenone (70% by weight) weight)), 2-Methyl-1- [4- (methylthio) phenyl]
- the multifunctional oligomer preferably an aliphatic urethane diacrylate oligomer
- the reactive diluent preferably chosen from aliphatic diacrylate monomers
- the reactive diluent may be present in a proportion of 50 to 75%, preferably 50 to 60%, by weight relative to the urethane acrylate oligomer.
- the multifunctional oligomer preferably an aliphatic urethane diacrylate oligomer
- the reactive diluent preferably selected from aliphatic diacrylate monomers
- the radical photoinitiator meanwhile can advantageously be present in a proportion of 1 to 10% by weight, of the total weight of the crosslinkable lacquer composition.
- the ratio of reactive diluent (s) to oligomer (s) multifunctional (s) can be between 1, 3 and 3.5, preferably between 1, 3 and 3.0 the ratio being calculated considering the weight of the acrylate monomers.
- the multifunctional diacrylate / oligomer monomer mass ratio may be between 1.3 and 1.7, in particular when the reactive diluent is an aliphatic diacrylate monomer such as SR238®, especially when the multifunctional oligomer is an aliphatic urethane oligomer.
- diacrylate such as CN981®, CN9001® or CN991®).
- the composition may also comprise functionalized nanoparticles, such as Aerosil R7200®, in a proportion of 0.1 to 10% by weight of the total weight of the composition.
- functionalized nanoparticles such as Aerosil R7200®
- Variant 2 Advantageously, in the crosslinkable lacquer composition according to the invention:
- the multifunctional oligomer may be an aliphatic diacrylate urethane oligomer (such as CN981®, CN9001® or CN991®), tetracrylate (such as CN9276®), or hexacrylate (such as CN9210® or EB1290); preferably an aliphatic diacrylate urethane oligomer (such as CN981®, CN9001® or CN991®);
- said at least one reactive diluent may be a mixture of two acrylate monomers selected from mono-, di-, tetra- or hexacrylate monomers, preferably aliphatic mono-, di-, tetra- or hexacrylate monomers.
- it may be mono-, di-, or tetracrylate monomers such as isobornyl acrylate (SR506®), tetrahydrofurfuryl acrylate (SR285®), 1,6-hexane diol diacrylate (SR238®), tricyclodecane diacrylate dimethanol (SR833S®) and SR355®, more preferably a mixture of two aliphatic diacrylate monomers, still more preferably a mixture of an acyclic aliphatic diacrylate monomer and an alicyclic diacrylate monomer, such as SR238® or SR833S®, respectively.
- SR506® isobornyl acrylate
- SR285® tetrahydrofurfuryl acrylate
- SR238® 1,6-hexane diol diacrylate
- SR833S® tricyclodecane diacrylate dimethanol
- SR355® more preferably a mixture of
- the acyclic aliphatic diacrylate monomer such as SR238®
- the diacrylate monomer alicyclic such as SR833S®
- the photoinitiator may be selected from diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide (TPO), diethyl ether (2,4,6-trimethylbenzoyl) phenylphosphine (TPO-L), bis ( trimethylbenzoyl) phenylphosphine (BAPO), 2- (dimethylamino) -1- (4- (4-morpholinyl) phenyl) -2- (phenylmethyl) -1-butanone (Irgacure 369®), Irgacure 1300® (2- ( dimethylamino) -1- (4- (4-morpholinyl) phenyl) -2- (phenylmethyl) -1-butanone (30% by weight) + Alpha, alpha-dimethoxy-alpha-phenylacetophenone (70% by weight)), 2 -Methyl-1- [4- (methylthio) phenyl] -2- (4-morpholinyl)
- the multifunctional oligomer preferably an aliphatic urethane diacrylate oligomer
- the multifunctional oligomer may be present in a proportion of 30 to 70%, preferably 35 to 65%, by weight relative to the mixture of the two aliphatic diacrylate monomers.
- the mixture of the two aliphatic diacrylate monomers may be present in a proportion of 30 to 70%, preferably 35 to 65%, by weight relative to the oligomer urethane acrylate, preferably an aliphatic urethane diacrylate oligomer. (We consider the weight of diacrylate monomers to calculate these%).
- the multifunctional oligomer preferably an aliphatic urethane diacrylate oligomer
- the mixture of the two acrylate monomers may be present in an amount of 50 to 70%, preferably 55 to 70%, by weight, based on the total weight of the crosslinkable lacquer composition.
- the radical photoinitiator is advantageously present in a proportion of 1 to 10% by weight, of the total weight of the crosslinkable lacquer composition.
- the mass ratio of multifunctional reactive diluents / oligomers is between 1.3 and 3.5.
- the weight ratio of diacrylate / oligomer multifunctional reactive diluents may be between 1.5 and 3.5, preferably between 1 and 5.
- the multifunctional oligomer is an aliphatic urethane diacrylate oligomer (such as CN981®, CN9001® or CN991®).
- the composition may also comprise functionalized nanoparticles, such as R7200, in a proportion of 0.1 to 10% by weight of the total weight of the composition.
- Variant 3 Advantageously, in the crosslinkable lacquer composition according to the invention:
- the multifunctional oligomer may be an aliphatic diacrylate urethane oligomer (such as CN981®, CN9001® or CN991®), tetracrylate (such as CN9276®), hexacrylate (such as CN9210® or EB1290) or acrylate functionality greater than or equal to 6 ; for example, the multifunctional oligomer may advantageously be a hexa-, octa- or nonacrylate aliphatic urethane oligomer; said at least one reactive diluent can be selected from aliphatic acrylate monomers, preferably aliphatic mono-, di-, tetra- or hexacrylate monomers, most preferably aliphatic diacrylate monomers, for example SR238®;
- the photoinitiator may be selected from radical photoinitiators such as diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide (TPO), diethyl ether (2,4,6-trimethylbenzoyl) phenylphosphine (TPO-L) bis (trimethylbenzoyl) phenylphosphine oxide (BAPO), 2- (dimethylamino) -1- (4- (4-morpholinyl) phenyl) -2- (phenylmethyl) -1-butanone (irgacide 369®), irgacide 1300 ® (2- (dimethylamino) -1- (4- (4-morpholinyl) phenyl) -2- (phenylmethyl) -1-butanone (30% by weight) + Alpha, alpha-dimethoxy-alpha-phenylacetophenone (70% by weight) weight)), 2-Methyl-1- [4- (methylthio) phenyl]
- the multifunctional oligomer preferably a hexa-, octa- or nonacrylate aliphatic urethane oligomer, may be present in a proportion of 45 to 65%, preferably 50 to 60%, by weight; the reactive diluent may be present at 25 to 45%, preferably 30 to 40%, by weight; the radical photoinitiator may be present in an amount of 5 to 15%, preferably 5 to 7%, by weight of the total weight of the crosslinkable lacquer composition.
- the multifunctional oligomer preferably a hexa-, octa- or nonacrylate aliphatic urethane oligomer
- the reactive diluent may be present in a proportion of 30 to 40% by weight
- the radical photoinitiator may be present at 1 to 6% by weight, based on the total weight of the crosslinkable lacquer composition.
- the composition may also comprise functionalized nanoparticles, such as colloidal dispersions of silica in mono-, di- or trifunctional acrylate monomers, tri- or tetrafunctional polyether acrylates, or methacrylate monomers, such as the products of the Nanocryl® range. Evonik, in particular Nanocryl® in the range 200, 210, 215, 220, 223, 225, 235 and 370, in a proportion of 0.1 to 10% by weight of the total weight of the composition.
- the ratio of reactive diluent (s) to oligomer (s) multifunctional (s) can be between 1, 3 and 3.5, preferably between 1, 3 and 3.0 the ratio being calculated considering the weight of the acrylate monomers.
- Variant 4 Advantageously, in the crosslinkable lacquer composition according to the invention:
- the multifunctional oligomer may be an aliphatic diacrylate urethane oligomer (such as CN981®, CN9001® or CN991®), tetracrylate (such as CN9276®), hexacrylate (such as CN9210® or EB1290) or acrylate functionality greater than or equal to 6 ; for example, the multifunctional oligomer may advantageously be an aliphatic hexa-, octa- or nonacrylate urethane oligomer;
- said at least one reactive diluent may be a mixture of two acrylate monomers selected from mono-, di-, tetra- or hexacrylate monomers, preferably aliphatic mono-, di-, tetra- or hexacrylate monomers.
- it may be mono-, di-, or tetracrylate monomers such as isobornyl acrylate (SR506®), tetrahydrofurfuryl acrylate (SR285®), 1,6-hexane diol diacrylate (SR238®), tricyclodecane dimethanol diacrylate ( SR833S®) and SR355®, more preferably a mixture of two aliphatic diacrylate monomers, such as SR238® or SR833S®;
- the photoinitiator may be selected from diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide (TPO), diethyl ether (2,4,6-trimethylbenzoyl) phenylphosphine (TPO-L), bis ( trimethylbenzoyl) phenylphosphine (BAPO), 2- (dimethylamino) -1- (4- (4-morpholinyl) phenyl) -2- (phenylmethyl) -1-butanone (Irgacure 369®), Irgacure 1300® (2- ( dimethylamino) -1- (4- (4-morpholinyl) phenyl) -2- (phenylmethyl) -1-butanone (30% by weight) + Alpha, alpha-dimethoxy-alpha-phenylacetophenone (70% by weight)), 2 -Methyl-1- [4- (methylthio) phenyl] -2- (4-morpholinyl)
- the multifunctional oligomer preferably a hexa-, octa- or nonacrylate aliphatic urethane oligomer
- the reactive diluent may be present in a proportion of 30 to 40% by weight
- the radical photoinitiator may be present at 1 to 6% by weight, based on the total weight of the crosslinkable lacquer composition.
- the composition may also comprise functionalized nanoparticles, such as colloidal dispersions of silica in mono-, di- or trifunctional acrylate monomers, tri- or tetrafunctional polyether acrylates, or methacrylate monomers, such as the products of the Nanocryl® range. Evonik, in particular Nanocryl® in the range 200, 210, 215, 220, 223, 225, 235 and 370, in a proportion of 0.1 to 10% by weight of the total weight of the composition.
- a surfactant is present which may be a silicone-based or acrylic-based agent.
- a silicone-based surface agent such as a modified polydimethylsiloxane polyether (BYK-302®) or modified polydimethylsiloxane multiacrylate (BYK-UV 3505®).
- the surfactant may be present in concentrations of between 0.1% by weight and 10% by weight, preferably between 1% and 10% by weight, preferably between 1% and 5% by weight, and total weight of the composition.
- UV stabilizing agent which may be selected from UV absorbers (such as benzotriazole (BTZ) and derivatives thereof, hydroxybenzophenone (HBP) and derivatives, or hydroxy-phenyl-triazine (HPT) and derivatives) and free radical scavengers of the sterically hindered amine family (such as the following compounds:
- UV absorbers such as benzotriazole (BTZ) and derivatives thereof, hydroxybenzophenone (HBP) and derivatives, or hydroxy-phenyl-triazine (HPT) and derivatives
- free radical scavengers of the sterically hindered amine family such as the following compounds:
- At least one stabilizing agent is present in concentrations of between 0.1% by weight and 10% by weight, preferably between 1% and 10% by weight relative to the total weight of the composition.
- the composition further comprises: a hybrid organic-inorganic reactive diluent which can react by photopolymerization and photosol-gel reaction, of formula (II) which can be
- the hybrid reactive diluent of formula (II) is added at 1 to 50% by weight, for example, 25 to 35% by weight, or about 30% by weight of the total weight of the crosslinkable lacquer composition;
- a cationic photoinitiator selected from onium salts, organometallic complexes, and nonionic photoacids, preferably Nrgacure 250®.
- the cationic photoinitiator such as Nrgacure 250®, is added in a proportion of 1 to 10% by weight, of the total weight of the crosslinkable lacquer composition.
- crosslinkable lacquer composition according to the invention may comprise:
- an aliphatic diacrylate urethane oligomer such as CN981®, CN9001® or CN991®
- tetracrylate such as CN9276®
- hexacrylate such as CN9210® or EB1290
- the diacrylate monomer / multifunctional oligomer monomer weight ratio is between 1, 3 and 1, 7.
- crosslinkable lacquer composition according to the invention may comprise:
- an aliphatic diacrylate urethane oligomer such as CN981®, CN9001® or CN991®
- tetracrylate such as CN9276®
- hexacrylate such as CN9210® or EB1290
- the diacrylate / multifunctional oligomer monomer weight ratio is from 1.5 to 3.5, preferably from 1.5 to 3.0; the mass sum of the two reactive diluents being considered to calculate this ratio; and the acyclic aliphatic diacrylate monomer (such as SR238®) and the alicyclic diacrylate monomer (such as SR833S®) being present in a weight ratio of 40/60 to 90/10, preferably 45/55 to 85/15.
- crosslinkable lacquer composition according to the invention may comprise:
- the invention relates to a method for preparing a scratch and abrasion resistant thermoformable varnish, comprising the formation of said varnish by crosslinking a composition according to any one of the variants described above, under the action of UV-visible radiation.
- the crosslinkable lacquer composition may comprise: A) at least one multifunctional urethane acrylate oligomer comprising 2 to 9 acrylate functional groups, product of the reaction of a diisocyanate or triisocyanate with a hydroxylated acrylate monomer preferably with a stoichiometric excess of a hydroxylated acrylate monomer, said hydroxylated acrylate monomer being a random mixture resulting from the reaction of a polyol with a stoichiometric defect of acrylic acid, provided that the chain of the diisocyanate or triisocyanate does not has not previously been extended by a polyol (for example, 1,6-hexanediol) or a polyester, polyether or polycarbonate comprising residual hydroxyl functions;
- said at least one multifunctional urethane acrylate oligomer comprising 2 to 9 acrylate functional groups may meet one of the formulas I, IA or IB as defined above.
- said at least one multifunctional urethane acrylate oligomer comprising 2 to 9 acrylate functional groups may correspond to the following formula I A or I B :
- R 1 represents a C 1 to C 10 aliphatic radical, a C 5 to C 8 alicyclic radical or a C 6 to C 13 aromatic mono- or bicyclic radical, preferably a C 1 to C 10 aliphatic radical or a C 5 to C 8 alicyclic radical optionally substituted by one or more C1 - C radicals; C6 alkyl;
- the method can implement any of the variants 1 to 10 of crosslinkable varnish described above, preferably with UV-visible radiation.
- a Hg / Xe lamp for example with a Hg / Xe lamp.
- the crosslinkable lacquer composition may meet any of the variants 1 to 10 described above.
- it may be one of the following compositions 8) to 10):
- an aliphatic diacrylate urethane oligomer such as CN981®, CN9001® or CN991®
- tetracrylate such as CN9276®
- hexacrylate such as CN9210 Or EB1290
- an aliphatic urethane diacrylate oligomer such as CN981®;
- an aliphatic diacrylate monomer such as SR238®, as a reactive diluent, at 40 to 60%, preferably 45 to 55%, by weight;
- a radical photoinitiator as defined under "Constituent C-Photo-initiator” pages 24-27; preferably a type I radical photoinitiator; most preferably 1-hydroxycyclohexylphenylketone (Irgacure 184®);
- UV stabilizer optionally 1 to 10% by weight of a UV stabilizer
- diacrylate / multifunctional oligomer monomer mass ratio is between 1.3 and 1.7;
- an aliphatic diacrylate urethane oligomer such as CN981®, CN9001® or CN991®
- tetracrylate such as CN9276®
- hexacrylate such as CN9210 Or EB1290
- an aliphatic urethane diacrylate oligomer such as CN981®
- a mixture of two aliphatic or alicyclic diacrylate monomers such as SR238® and SR833S®, as reactive diluents, at 50 to 70%, preferably 55 to 70%, by weight
- SR238® and SR833S® reactive diluents
- a radical photoinitiator as defined under "Constituent C-Photo-initiator” pages 24-27; preferably a type I radical photoinitiator; most preferably 1-hydroxycyclohexylphenylketone (Irgacure 184®);
- UV stabilizer optionally 1 to 10% by weight of a UV stabilizer
- diacrylate / oligomeric multifunctional monomer weight ratio is from 1.3 to 3.5, preferably from 1.5 to 3.5, more preferably from 1.5 to 3.0; the mass sum of the two reactive diluents being considered to calculate this ratio;
- the acyclic aliphatic diacrylate monomer such as SR238®
- the alicyclic diacrylate monomer such as SR833S®
- an aliphatic urethane oligomer of functionality greater than or equal to 6 preferably, a hexa-, octa- or nonacrylate aliphatic urethane oligomer;
- a surfactant preferably of the class of silicones
- UV stabilizer optionally 1 to 10% by weight of a UV stabilizer
- the process according to the invention can generally be carried out using conventional methods for mixing the components described above in an appropriate mixing device, such as, but not limited to, agitated tanks, dissolvers, homogenizers, microfluidizers, extruders, or other equipment conventionally used in the field.
- an appropriate mixing device such as, but not limited to, agitated tanks, dissolvers, homogenizers, microfluidizers, extruders, or other equipment conventionally used in the field.
- the process can be carried out in the absence or in the presence of a solvent.
- the process can be carried out in the absence of solvent, which is one of the major advantages of the present invention.
- the invention relates to a method of protecting a support against scratches and abrasion, preferably said support being thermoformable or thermally bondable, said method comprising: a) coating a surface with a surface optionally thermoformable or thermally bondable support with a varnish composition according to any of the variants described herein; b) curing the lacquer composition covering the coated surface of the support by crosslinking said composition under the action of UV-visible radiation; and c) optionally in the case where said support is thermoformable or thermally bondable, the shaping of the varnished support by thermoforming or thermosetting.
- said method of protecting a support is characterized in that said support is thermoformable or thermally bondable and in that said step b) of hardening is followed by: c) shaping of the varnished support by thermo
- said method of protecting a support is implemented with a support, preferably thermoformable or thermally bondable at temperatures compatible with the varnish according to the invention covering the surface of the support, that is to say at temperatures which do not lead to the partial or total decomposition of the protective varnish according to the invention.
- said method of protecting a support is implemented with a support, preferably thermoformable or thermally bondable, selected from plastics and preferably from polycarbonates or polymethacrylates, in particular polymethyl methacrylate.
- the invention relates to the use of a crosslinkable composition according to any of the variants described herein to protect a possibly thermoformable or thermally bondable support against scratches and abrasion.
- said support is thermoformable or thermally bondable and consists of a glazing plate.
- said support is made of plastic, preferably polycarbonate or polymethacrylate, in particular polymethylmethacrylate.
- the invention relates to the use of a crosslinkable composition according to any of the variants described herein, for the preparation of scratch-resistant and abrasion-resistant thermoformable varnish.
- the invention relates to a scratch and abrasion resistant thermoformable crosslinked varnish obtainable by a method according to any of the variants described herein.
- the invention relates to a coated (cross-linked) scratch and abrasion resistant article obtainable by a method according to any one of the variants described herein.
- a coated (cross-linked) scratch and abrasion resistant article obtainable by a method according to any one of the variants described herein.
- said lacquered article is thermoformable or thermally bondable.
- the support may be a plastic plate, preferably a polycarbonate or polymethacrylate plate, in particular polymethyl methacrylate.
- the invention relates to an article obtainable by a method according to the invention, in any of the variants described herein.
- the article is thermoformable or thermally bondable.
- the invention relates to a thermoformable varnish resistant to scratching and abrasion, characterized in that it results from the crosslinking under the action of a UV-visible radiation of at least one crosslinkable composition according to any of the variants described herein.
- the present invention offers many advantages, including: -
- the coating / varnish obtained has excellent adhesion to plastic substrates
- the varnish composition according to the invention can be produced inexpensively, all its components being commercially available.
- the coating / varnish obtained according to the present invention does not crack even when it is bent hot. It is particularly well suited for protecting thermoformable or thermosetting materials.
- the coating / varnish according to the invention can be obtained by a UV curing step at room temperature in a single step without affecting its workability.
- the coating / varnish of the invention can be implemented without solvent.
- the process according to the invention is based on photopolymerization, which is an excellent alternative to conventional thermal processes, which is environmentally friendly and attractive from an industrial point of view.
- Figure 1 A) Diagram of the motorized applicator equipped with a busbar for the deposition of the varnish films applied to the PMMA plates, used in Examples 1 to 6.
- Figure 2 Coating adhesion result classification code according to ASTM D 3359.
- Figure 3 Comparative tests of scratch resistance between the 3 varnishes of Example 2, and 2 commercial varnishes.
- AT Depth of the scratch ( ⁇ ).
- Figure 4 Scratch resistance tests of the 4 coatings of Example 3: Force (N) where (i) the first damage and (ii) the failure of the sample are observed.
- Figure 5 4-coat scratch resistance tests of Example 4: Force (N) where (i) first damage and (ii) sample failure are observed.
- Figure 6 Comparative tests of scratch resistance of varnishes b and e of Example 4.
- Figure 7 Scratch resistance tests of the 4 varnishes of Example 5.
- A Depth of the scratch ( ⁇ ).
- B Force (N) where (i) the first damage and (ii) the ruin of the sample are observed.
- Figure 8 Thermoforming / draping test of Sample 280415A of Example 6.
- Figure 9 Comparative adhesion tests of several varnish compositions according to the invention, by crosscut test according to the standard D 3359.
- Table 1 Different data accessible following a durometer stripe. Snapshots corresponding to 1 damage and destruction are obtained by optical microscope in reflection. The penetration depth of the tip was determined by optical profilometry. The width of the deformation is calculated by the Gwyddion software.
- the homogeneous liquid formulations were deposited by a motorized applicator on the "ShieldUp®" PMMA plates (Arkema). A set of calibrated bars was used to control the thickness of the films (see Figure 1 A).
- ⁇ Polymerization of the coating composition film deposited on the surface of the PMMA plates was carried out at room temperature, without addition of solvent, using an industrial type Qurtech UV conveyor after three to four passes (see Figures 1 B). .
- the UV irradiation source is a microwave lamp H. The lamp has been used at 100% of its intensity. Each sample received 1.34 J / cm 2 during a passage.
- the cross-linked lacquer films were then tested for scratch resistance.
- the thickness of the films is measured by non-contact optical profilometry.
- the specimens in PMMA are of 2.5 cm x 7.5 cm or 7.5 cm x 8 cm and a thickness of 4 mm.
- the adhesion of the lacquer films to the substrate can also be tested according to the "cross-cut” test of ASTM D 3359. Briefly, the standard procedure consists in producing a series of parallel stripes spaced about 1 mm apart (for films of thickness ⁇ 50 ⁇ " ⁇ ) and length of about 20 mm.After the series of scratches is completed, the surface of the substrate is brushed very lightly with a soft brush to remove any fragment of film that would have detached.
- the procedure is repeated this time by performing a series of parallel stripes perpendicular to the first series, so as to obtain a grid of scratches.
- a piece of adhesive tape is applied to the center of the scratch grid (adhesive side in contact with the lacquer coating) Ensure good contact between the adhesive tape and the substrate surface, a u need by firmly squeezing the tape with an eraser.
- remove the adhesive tape by grasping one end and pulling it rapidly keeping an angle as close as possible to 180 °. Inspect the area of the grid for scratches, and evaluate the adhesion of the varnish using the classification provided for this purpose (see Fig. 2).
- the adhesion measurement procedure has been slightly modified as follows: a special cut by a large handle by making two series of cross lines perpendicularly in grid form is made on the 3/4 of the surface of the film. A standard 3M Scotch tape (2.5 N / M) according to Cross-Cut scotch test is applied and removed, the cutting area is then evaluated to determine adhesion. Scotch tape was used twice for each sample.
- compositions of each of these varnishes are as follows (the figures are expressed in% by weight relative to the total weight of the composition):
- the mass ratio reactive diluent / oligomer (SR238 / CN981) was 1, 3.
- the different varnishes were applied to the calibrated bar, each on a PMMA plate "ShieldUp®” (Arkema), and were polymerized under UV in a single step at room temperature (25 ° C) without the addition of solvent.
- the thickness of the liquid film is 10 ⁇ + - 1 ⁇ evaluated by non-contact optical profilometry. The measurement of the thickness is important insofar as the behavior of the varnish film strongly depends on the latter.
- the scratch resistance of the varnish films obtained was tested using a Clemen Elcometer 3000 durometer, and was compared with two commercial varnishes: CETELON® and MOMENTIVE®, which are varnishes for application on parts. transparent plastics, which are not thermoformable and can only be applied once the piece is thermoformed.
- Cetelon® varnish is based on nanosilica + organic network acrylic, crosslinked under UV.
- Momentive® varnish is based on a thermally crosslinked silicone inorganic network. The results are listed in Figure 3.
- the 3 varnishes according to the invention are more efficient in terms of scratch resistance than the two commercial varnishes. Indeed, the first damage for the 2 commercial samples is observed earlier (at a lower force) than for the varnishes according to the invention. The depth of the streak is also greater for commercial varnishes than for the varnishes of the invention.
- thermoforming / thermodriving tests were carried out: the 3 varnishes according to the invention are thermoformable (no cracking for a high stress of deformation), whereas the 2 commercial varnishes are not thermoformable.
- Example 3 Varnish compositions with a pure organic base - Addition of a second reactive diluent
- compositions of each of these varnishes are as follows (unless otherwise stated, the figures are expressed in% by weight relative to the total weight of the composition): Films SR238® CN9276® 1184® BYK302 TCDDA Thickness
- the mass ratio reactive diluent / oligomer (SR238 / CN9276) was 1.7.
- compositions of each of these varnishes are as follows (unless otherwise stated, the figures are expressed in% by weight relative to the total weight of the varnishes
- composition (a):
- Example 5 Varnish compositions with a pure organic base - Addition of a second reactive diluent
- compositions of each of these varnishes are as follows (unless otherwise stated, the figures are expressed in% by weight relative to the total weight of the composition):
- the ratio of reactive diluent to oligomer (SR238 / CN9276 or SR238 / CN981) was 1.3.
- thermoforming There are several methods of thermoforming possible:
- the plate (i) the plate (PC or PMMA) is put in an oven to soften the plastic.
- PC -5 min at 200 ° C.
- the plate is moved "manually" on a mold.
- the plate begins to deform by gravity.
- the plate is heated and formed directly in a press. This process is reserved for the most complex geometries requiring a greater elongation of the plastic.
- This method has the advantage of removing a maximum of stress (plastic memory) of the part but it is carried out on very small series (long cycle time).
- thermoforming tests were carried out by the "2D" draping process on PMMA substrates coated with a varnish according to the present invention.
- Substrates PMMA Shieldup (Arkema) 5mm thick, dimension 300x300mm, coated with 280415A varnish of 16, 18 and 19 ⁇ thickness.
- composition of this varnish is detailed in the table below (unless otherwise stated, the figures are expressed in% by weight relative to the total weight of the composition):
- the mass ratio reactive diluent / oligomer (SR238 / CN981) was 1, 3.
- Mold 1 "Lightweight 2D”: Four Sat - Fritzmeier Mold 524017
- Thermoforming condition for all tests performed "2D" lay-up process (see process details above). Put in an oven at 140 ° C for 10 minutes before thermoforming.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Paints Or Removers (AREA)
- Macromonomer-Based Addition Polymer (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR1659789A FR3057270A1 (fr) | 2016-10-11 | 2016-10-11 | Vernis photopolymeres thermoformables et anti-rayures |
PCT/FR2017/052796 WO2018069644A1 (fr) | 2016-10-11 | 2017-10-11 | Vernis photopolymères thermoformables et anti-rayures |
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US (1) | US20210139711A1 (fr) |
EP (1) | EP3526297A1 (fr) |
JP (1) | JP2020500223A (fr) |
KR (1) | KR20190070938A (fr) |
CN (1) | CN110168030A (fr) |
FR (1) | FR3057270A1 (fr) |
WO (1) | WO2018069644A1 (fr) |
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CN118006215A (zh) * | 2024-02-27 | 2024-05-10 | 苏州合邦鑫材科技有限公司 | 一种快速固化的改性聚氨酯型uv三防漆及其制备方法 |
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DE2835451C2 (de) | 1978-08-12 | 1985-10-24 | Saarbergwerke AG, 6600 Saarbrücken | Verfahren zum Verfestigen von Kohle und/oder Gestein im Bergbau |
DE3164954D1 (en) | 1980-03-04 | 1984-08-30 | Mitsubishi Rayon Co | Coating composition and process for preparing synthetic resin shaped articles by using same |
EP0249201A3 (fr) | 1986-06-10 | 1989-07-19 | Union Carbide Corporation | Revêtement à base d'époxyde cycloaliphatique résistant à l'affaissement, ayant une haute teneur en matières solides qui contient un polymère à bas poids moléculaire et à haute Tg comme additif résistant à l'affaissement |
NO170944C (no) | 1987-01-24 | 1992-12-30 | Akzo Nv | Fortykkede, vandige preparater, samt anvendelse av slike |
DE4310413A1 (de) | 1993-03-31 | 1994-10-06 | Basf Lacke & Farben | Nichtwäßriger Lack und Verfahren zur Herstellung einer zweischichtigen Decklackierung |
AU7390296A (en) | 1995-10-06 | 1997-04-28 | Cabot Corporation | Aqueous thixotropes for waterborne systems |
US6998425B2 (en) * | 2003-12-23 | 2006-02-14 | General Electric Company | UV curable coating compositions and uses thereof |
BR112014028371A8 (pt) | 2012-05-16 | 2021-04-13 | Socomore | composição curável por radiação, método para preparação de uma camada híbrida de sol-gel, camada híbrida de sol-gel, uso da camada híbrida de sol-gel e método para a preparação de um revestimento |
WO2016020766A1 (fr) * | 2014-08-07 | 2016-02-11 | Sabic Global Technologies B.V. | Feuille multicouche conductrice pour des applications de formage thermique |
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2016
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- 2017-10-11 JP JP2019517323A patent/JP2020500223A/ja active Pending
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- 2017-10-11 WO PCT/FR2017/052796 patent/WO2018069644A1/fr unknown
- 2017-10-11 US US16/341,165 patent/US20210139711A1/en active Pending
- 2017-10-11 KR KR1020197013677A patent/KR20190070938A/ko unknown
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KR20190070938A (ko) | 2019-06-21 |
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FR3057270A1 (fr) | 2018-04-13 |
WO2018069644A1 (fr) | 2018-04-19 |
CN110168030A (zh) | 2019-08-23 |
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