EP4058523A1 - Composition, procédé de préparation et application associée - Google Patents
Composition, procédé de préparation et application associéeInfo
- Publication number
- EP4058523A1 EP4058523A1 EP20800675.9A EP20800675A EP4058523A1 EP 4058523 A1 EP4058523 A1 EP 4058523A1 EP 20800675 A EP20800675 A EP 20800675A EP 4058523 A1 EP4058523 A1 EP 4058523A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- substrate
- article
- composition according
- adsorbent
- 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
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229920003009 polyurethane dispersion Polymers 0.000 claims abstract description 44
- 239000003463 adsorbent Substances 0.000 claims abstract description 37
- 239000002738 chelating agent Substances 0.000 claims abstract description 31
- 239000002808 molecular sieve Substances 0.000 claims abstract description 24
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims description 40
- -1 alkali metal tartrate Chemical class 0.000 claims description 30
- 229920002635 polyurethane Polymers 0.000 claims description 27
- 239000004814 polyurethane Substances 0.000 claims description 27
- 229920000642 polymer Polymers 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 14
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 229910052783 alkali metal Inorganic materials 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 9
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 9
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 9
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- 235000011180 diphosphates Nutrition 0.000 claims description 6
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 claims description 6
- 229940050410 gluconate Drugs 0.000 claims description 6
- 229940005740 hexametaphosphate Drugs 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 6
- 229940095064 tartrate Drugs 0.000 claims description 6
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 4
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 claims description 4
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- JZBRFIUYUGTUGG-UHFFFAOYSA-J tetrapotassium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [K+].[K+].[K+].[K+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O JZBRFIUYUGTUGG-UHFFFAOYSA-J 0.000 claims description 2
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 claims description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 claims 1
- 239000012855 volatile organic compound Substances 0.000 abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 30
- 235000019645 odor Nutrition 0.000 description 28
- 238000003756 stirring Methods 0.000 description 26
- 239000006185 dispersion Substances 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 19
- 125000002091 cationic group Chemical group 0.000 description 17
- 239000005056 polyisocyanate Substances 0.000 description 17
- 229920001228 polyisocyanate Polymers 0.000 description 17
- 239000000377 silicon dioxide Substances 0.000 description 16
- 239000003795 chemical substances by application Substances 0.000 description 14
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- 239000003960 organic solvent Substances 0.000 description 12
- 229920005906 polyester polyol Polymers 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- 239000000654 additive Substances 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 8
- 239000003995 emulsifying agent Substances 0.000 description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 8
- 229940048086 sodium pyrophosphate Drugs 0.000 description 7
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 7
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 125000002843 carboxylic acid group Chemical group 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 230000001804 emulsifying effect Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- 125000000542 sulfonic acid group Chemical group 0.000 description 6
- 229920005830 Polyurethane Foam Polymers 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 229920005862 polyol Polymers 0.000 description 5
- 239000011496 polyurethane foam Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 229920002396 Polyurea Polymers 0.000 description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 4
- 125000002723 alicyclic group Chemical group 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 4
- 210000004207 dermis Anatomy 0.000 description 4
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 239000002649 leather substitute Substances 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 229940048084 pyrophosphate Drugs 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- LPLLVINFLBSFRP-UHFFFAOYSA-N 2-methylamino-1-phenylpropan-1-one Chemical compound CNC(C)C(=O)C1=CC=CC=C1 LPLLVINFLBSFRP-UHFFFAOYSA-N 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 241000132539 Cosmos Species 0.000 description 3
- 235000005956 Cosmos caudatus Nutrition 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000005058 Isophorone diisocyanate Substances 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- MTZUIIAIAKMWLI-UHFFFAOYSA-N 1,2-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC=C1N=C=O MTZUIIAIAKMWLI-UHFFFAOYSA-N 0.000 description 2
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 2
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 2
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 description 2
- IVGRSQBDVIJNDA-UHFFFAOYSA-N 2-(2-aminoethylamino)ethanesulfonic acid Chemical class NCCNCCS(O)(=O)=O IVGRSQBDVIJNDA-UHFFFAOYSA-N 0.000 description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- WXUAQHNMJWJLTG-UHFFFAOYSA-N 2-methylbutanedioic acid Chemical compound OC(=O)C(C)CC(O)=O WXUAQHNMJWJLTG-UHFFFAOYSA-N 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
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- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 2
- SVYKKECYCPFKGB-UHFFFAOYSA-N N,N-dimethylcyclohexylamine Chemical compound CN(C)C1CCCCC1 SVYKKECYCPFKGB-UHFFFAOYSA-N 0.000 description 2
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- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
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- 125000003277 amino group Chemical group 0.000 description 2
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- 239000002131 composite material Substances 0.000 description 2
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- 239000000463 material Substances 0.000 description 2
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- 230000003472 neutralizing effect Effects 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
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- QKFJKGMPGYROCL-UHFFFAOYSA-N phenyl isothiocyanate Chemical compound S=C=NC1=CC=CC=C1 QKFJKGMPGYROCL-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
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- 239000002023 wood Substances 0.000 description 2
- MKLWPNHZCPMADB-UHFFFAOYSA-N 1,1-bis(2-isocyanatoethylsulfanyl)ethane Chemical compound O=C=NCCSC(C)SCCN=C=O MKLWPNHZCPMADB-UHFFFAOYSA-N 0.000 description 1
- QXRRAZIZHCWBQY-UHFFFAOYSA-N 1,1-bis(isocyanatomethyl)cyclohexane Chemical compound O=C=NCC1(CN=C=O)CCCCC1 QXRRAZIZHCWBQY-UHFFFAOYSA-N 0.000 description 1
- OAWJNGTVHKRBAT-UHFFFAOYSA-N 1,1-bis(isocyanatomethylsulfanyl)ethane Chemical compound O=C=NCSC(C)SCN=C=O OAWJNGTVHKRBAT-UHFFFAOYSA-N 0.000 description 1
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- LTKBJFRCZZYLJY-UHFFFAOYSA-N 1,2,3-tris(isocyanatomethylsulfanyl)propane Chemical compound O=C=NCSCC(SCN=C=O)CSCN=C=O LTKBJFRCZZYLJY-UHFFFAOYSA-N 0.000 description 1
- FAZUWMOGQKEUHE-UHFFFAOYSA-N 1,2-bis(2-isocyanatoethyl)benzene Chemical compound O=C=NCCC1=CC=CC=C1CCN=C=O FAZUWMOGQKEUHE-UHFFFAOYSA-N 0.000 description 1
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- YCFNKSOIDNKUIO-UHFFFAOYSA-N 1,2-bis(4-isocyanatobutyl)benzene Chemical compound O=C=NCCCCC1=CC=CC=C1CCCCN=C=O YCFNKSOIDNKUIO-UHFFFAOYSA-N 0.000 description 1
- WZROIUBWZBSCSE-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)naphthalene Chemical compound C1=CC=CC2=C(CN=C=O)C(CN=C=O)=CC=C21 WZROIUBWZBSCSE-UHFFFAOYSA-N 0.000 description 1
- PIDUEESSWOVGNT-UHFFFAOYSA-N 1,2-diethyl-3,4-diisocyanatobenzene Chemical compound CCC1=CC=C(N=C=O)C(N=C=O)=C1CC PIDUEESSWOVGNT-UHFFFAOYSA-N 0.000 description 1
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- UKMZAJWQLPRXRD-UHFFFAOYSA-N bis(4-isothiocyanato-3-methylphenyl)methanone Chemical compound C1=C(N=C=S)C(C)=CC(C(=O)C=2C=C(C)C(N=C=S)=CC=2)=C1 UKMZAJWQLPRXRD-UHFFFAOYSA-N 0.000 description 1
- JZAUIGUBRYIEFA-UHFFFAOYSA-N bis(4-isothiocyanatophenyl)methanone Chemical compound C=1C=C(N=C=S)C=CC=1C(=O)C1=CC=C(N=C=S)C=C1 JZAUIGUBRYIEFA-UHFFFAOYSA-N 0.000 description 1
- OMWQUXGVXQELIX-UHFFFAOYSA-N bitoscanate Chemical compound S=C=NC1=CC=C(N=C=S)C=C1 OMWQUXGVXQELIX-UHFFFAOYSA-N 0.000 description 1
- 229950002418 bitoscanate Drugs 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- VPKDCDLSJZCGKE-UHFFFAOYSA-N carbodiimide group Chemical group N=C=N VPKDCDLSJZCGKE-UHFFFAOYSA-N 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- IFDVQVHZEKPUSC-UHFFFAOYSA-N cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1C(O)=O IFDVQVHZEKPUSC-UHFFFAOYSA-N 0.000 description 1
- QYQADNCHXSEGJT-UHFFFAOYSA-N cyclohexane-1,1-dicarboxylate;hydron Chemical compound OC(=O)C1(C(O)=O)CCCCC1 QYQADNCHXSEGJT-UHFFFAOYSA-N 0.000 description 1
- QSAWQNUELGIYBC-UHFFFAOYSA-N cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCCCC1C(O)=O QSAWQNUELGIYBC-UHFFFAOYSA-N 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 150000002148 esters Chemical group 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 210000000777 hematopoietic system Anatomy 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910002011 hydrophilic fumed silica Inorganic materials 0.000 description 1
- 150000002440 hydroxy compounds Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- BGXUHYCDVKDVAI-UHFFFAOYSA-N isocyanato(isocyanatomethylsulfanyl)methane Chemical compound O=C=NCSCN=C=O BGXUHYCDVKDVAI-UHFFFAOYSA-N 0.000 description 1
- ZHWJTCDUSSCFOZ-UHFFFAOYSA-N isocyanato(isocyanatomethylsulfanylmethylsulfanyl)methane Chemical compound O=C=NCSCSCN=C=O ZHWJTCDUSSCFOZ-UHFFFAOYSA-N 0.000 description 1
- CNIQRWPMYHDBNS-UHFFFAOYSA-N isocyanato(isocyanatomethylsulfonyl)methane Chemical compound O=C=NCS(=O)(=O)CN=C=O CNIQRWPMYHDBNS-UHFFFAOYSA-N 0.000 description 1
- OFUBORBAMWUXTI-UHFFFAOYSA-N isocyanato-(isocyanatomethyldisulfanyl)methane Chemical compound O=C=NCSSCN=C=O OFUBORBAMWUXTI-UHFFFAOYSA-N 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- ZBKFYXZXZJPWNQ-UHFFFAOYSA-N isothiocyanate group Chemical group [N-]=C=S ZBKFYXZXZJPWNQ-UHFFFAOYSA-N 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 235000021266 loss of appetite Nutrition 0.000 description 1
- 208000019017 loss of appetite Diseases 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 238000013027 odor testing Methods 0.000 description 1
- HXSACZWWBYWLIS-UHFFFAOYSA-N oxadiazine-4,5,6-trione Chemical compound O=C1ON=NC(=O)C1=O HXSACZWWBYWLIS-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 125000001273 sulfonato group Chemical class [O-]S(*)(=O)=O 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- NNMVCFPMIBOZCL-UHFFFAOYSA-N toluene 2,4-diisothiocyanate Chemical compound CC1=CC=C(N=C=S)C=C1N=C=S NNMVCFPMIBOZCL-UHFFFAOYSA-N 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
-
- 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
- C08G18/703—Isocyanates or isothiocyanates transformed in a latent form by physical means
- C08G18/705—Dispersions of isocyanates or isothiocyanates in a liquid medium
- C08G18/706—Dispersions of isocyanates or isothiocyanates in a liquid medium the liquid medium being water
-
- 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
- C09D175/06—Polyurethanes from polyesters
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/06—Polyurethanes from polyesters
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/092—Polycarboxylic acids
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/175—Amines; Quaternary ammonium compounds containing COOH-groups; Esters or salts thereof
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
Definitions
- the present invention relates to a composition, preparation and application of the composition, a two-component system comprising the composition and its application, as well as an article coated or bonded by using the composition or the two-component system.
- VOCs volatile organic compounds
- VOC content may cause imbalance of immune level in the human body, affect the nervous system function to lead to the appearance of dizziness, headache, lethargy, weakness and other symptoms, affect the digestive system to lead to the appearance of loss of appetite, nausea, etc., and in severe cases even damage the liver and hematopoietic system to threaten the physical health of humans.
- IQS Initial Quality Study
- CN 104151540 A discloses a method for preparing polyurethane foam with low VOC content and high resilience by using a polyether polyol, which is characterized in that a polyol compound used as a starting agent is reacted with an epoxy compound at a pressure of 0-0.6 MPa and a temperature of 60-140 °C in the presence of an alkali metal hydroxide as a catalyst to stepwise polymerize and then subjected to special post-treatment to obtain the product; wherein the mass of the polyol compound accounts for 10% - 19.5% of the total mass, the mass of the epoxy compound accounts for 80% - 89.5% of the total mass, and the mass of the alkali metal hydroxide accounts for 0.2% - 0.5% of the total mass.
- CN 104592878 B discloses an environmentally friendly aqueous paint comprising: an aqueous resin dispersion, water, a composite anion powder, an anion additive, a film forming aid, an antifoaming agent, a thickener, a dispersing agent and a pH-adjusting agent, and a preparation method thereof.
- the composite anion powder consists of a crystal salt, nano-silica, nano- phosphoric acid titanium dioxide, and nano-zinc dioxide. Nano-silica, nano-phosphoric acid titanium dioxide and nano-zinc dioxide as photocatalyst materials can effectively degrade harmful gases such as formaldehyde in the air under illumination, and generate superoxide anion radicals and also negative oxygen ions.
- the aqueous dispersion system has a very low VOC content and can effectively solve the problem of excessive VOC content in the car. Besides, the aqueous dispersion system itself has weak odor and can solve the problem of the presence of unpleasant odor in the car. However, consumers are increasingly demanding weak odor in the car, and existing aqueous dispersion systems are difficult to meet this demand.
- CN 103980814 A discloses an odorless, matt, wear-resistant polyurethane top-coat paint and a preparation method thereof, wherein it is prepared by mixing a main agent, a curing agent and a diluent in a weight ratio of l-1.4:0.5-0.7:0.7-1.2; wherein the main agent and the curing agent components are present in a specific ratio of l-1.4:0.5-0.7 in order to fully react the hydroxyl groups in the main agent with the isocyanate groups in the curing agent where the optimum molar ratio of the hydroxyl groups and the isocyanate groups is 2:1, so that the best ratio thereof can be achieved during the application process, and stable polyurethane bonds can be formed by a complete reaction. In this way, it is possible to result in an odorless effect and eliminate the pungent odor caused by the raw materials per se.
- CN 106009271 A discloses a modified polypropylene composition
- a modified polypropylene composition comprising a blend of the following components: polypropylene, ethylene-propylene-grafted maleic anhydride copolymer, a reinforcing filler, a deodorant, an antioxidant and a processing aid
- the deodorant is an organic salt and/or a silicate having micropores selected from at least one of sodium silicate, aluminum silicate, magnesium silicate and calcium silicate and having a specific surface area of 200 to 600 m 2 /g, preferably 300 to 500 m 2 /g, and wherein the micropores on the microporous silicate have an average pore diameter of 0.2 to 2 nm, preferably 0.1 to 1 nm.
- the composition according to the present invention comprises at least one aqueous polyurethane dispersion, at least one adsorbent, and at least one chelating agent; wherein the adsorbent is one or more of the following: a hydrophilic molecular sieve and an amphiphilic molecular sieve; the aqueous polyurethane dispersion is present in an amount of 50 wt% to 99 wt%, the adsorbent in an amount of 0.1 wt% to 3 wt%, and the chelating agent in an amount of 0.05 wt% to 1 wt%, in each case based on the amount of the composition as 100 wt%.
- the adsorbent is one or more of the following: a hydrophilic molecular sieve and an amphiphilic molecular sieve
- the aqueous polyurethane dispersion is present in an amount of 50 wt% to 99 wt%
- the adsorbent in an amount of
- a method of preparing a composition comprising the step of mixing the aqueous polyurethane dispersion, the adsorbent and the chelating agent in any manner.
- composition provided in accordance with the present invention for the preparation of an article.
- an article comprising a substrate and a coating formed by applying a composition provided in accordance with the present invention to the substrate.
- a method of producing a coated article comprising the steps of applying a composition provided in accordance with the present invention to a surface of a substrate and then curing it.
- a method of producing a bonded article comprising the steps of: i. applying a composition provided in accordance with the present invention to at least one surface of a substrate; and ii. contacting the substrate surface treated in step i with a surface of the substrate itself or an additional substrate to obtain the bonded article.
- a two-component system comprising a component A and a component B, the component A being a composition provided in accordance with the present invention, and the component B being a crosslinking agent.
- an article comprising a substrate and a coating formed by applying a two-component system provided in accordance with the present invention to the substrate.
- the composition according to the present invention is an aqueous composition which has the characteristics of few VOCs.
- the composition according to the present invention also has the advantage of weak odor, and can satisfy strict requirements on VOCs and odor in application fields such as automobile interior trim, indoor furniture, and so on.
- the present invention provides a composition comprising at least one aqueous polyurethane dispersion, at least one adsorbent, and at least one chelating agent; wherein the adsorbent is one or more of the following: a hydrophilic molecular sieve and an amphiphilic molecular sieve; the aqueous polyurethane dispersion is present in an amount of 50 wt% to 99 wt%, the adsorbent in an amount of 0.1 wt% to 3 wt%, and the chelating agent in an amount of 0.05 wt% to 1 wt%, in each case based on the amount of the composition as 100 wt%.
- the present invention also provides a preparation method and application of the composition, particularly in the application fields of coatings and adhesives, a two-component system comprising the composition and its application, as well as an article coated or bonded by using the composition or the two-component system.
- curing refers to the process of a composition or a two-component system comprising the composition from a liquid state to a solid state.
- coating refers to a chemical that can be applied to a surface of an article by different coating processes to form a firmly bonded and continuous solid coating having a certain strength.
- adheresive refers to a chemical that can be applied to a surface of an article by different coating processes to form a coating on the surface of the article itself or on the surfaces of one article and another article, and bond the surface of the article itself or the surfaces of one article and another article. It is also used as a synonym for tackiness agents and/or sealants and/or binders.
- polyurethane polymer refers to a polyurethaneurea polymer and/or a polyurethane polyurea polymer and/or a polyurea polymer and/or a polythiourethane polymer.
- aqueous polyurethane dispersion refers to an aqueous polyurethaneurea dispersion and/or an aqueous polyurethane polyurea dispersion and/or an aqueous polyurea dispersion and/or an aqueous polythiourethane dispersion.
- polyurethane polymer having linear structure refers to a polyurethane polymer having linear structure and free of branched structure.
- emulsifier refers to a compound comprising an emulsifying group or a latent emulsifying group.
- isocyanate -reactive group refers to a group containing Zerevitinov-active hydrogen.
- Zerevitinov-active hydrogen is defined in Rompp's Chemical Dictionary (Rommp Chemie Lexikon), 10th ed., Georg Thieme Verlag Stuttgart, 1996.
- the group containing Zerevitinov-active hydrogen is understood in the art to refer to a hydroxyl group (OH), an amino group (NHc), and a thiol group (SH).
- chelating agent refers to a compound capable of forming a stable complex with a metal ion, particularly a heavy metal ion or a transition metal ion.
- amphiphilic refers to be hydrophilic and lipophilic.
- the amount of any organic solvent in the composition is preferably no more than 5 wt%, most preferably no more than 0.5 wt%, based on the amount of the composition as 100 wt%.
- the composition is an aqueous system, and has the characteristics of few VOCs.
- composition is preferably a coating or an adhesive, most preferably a coating or an adhesive for interior trim.
- Aqueous polyurethane dispersion is preferably a coating or an adhesive, most preferably a coating or an adhesive for interior trim.
- the aqueous polyurethane dispersion is preferably present in an amount of 90 wt% to 99 wt%, based on the amount of the composition as 100 wt%.
- the aqueous polyurethane dispersion preferably has a solid content of 30 wt % to 70 wt %, based on the amount of the aqueous polyurethane dispersion as 100 wt%.
- the amount of any organic solvent remaining in the aqueous polyurethane dispersion is preferably less than 1.0 wt %, based on the solid content of the aqueous polyurethane dispersion as 100 wt%.
- the aqueous polyurethane dispersion may be added to the composition directly in the form of a dispersion, or may be added to the composition in the form of a polyurethane polymer and water which are mixed to form a dispersion.
- the aqueous polyurethane dispersion comprises a polyurethane polymer and water, wherein the polyurethane polymer is preferably obtained by reacting a system comprising a polyisocyanate, a polyester polyol and an emulsifier.
- the polyurethane polymer is preferably a polyurethane polymer having linear structure.
- the polyisocyanate preferably has a functionality of no less than 2, further preferably 2 to 4.
- the polyisocyanate is present in an amount of preferably 5 wt% to 70 wt%, further preferably 5 wt% to 40 wt%, more preferably 5 wt% to 35 wt%, and most preferably 10 wt% to 30 wt%, based on the amount of the system for preparing the polyurethane polymer as 100 wt%.
- the polyisocyanate is preferably one or more of the following: an aliphatic polyisocyanate, an alicyclic polyisocyanate, an aromatic polyisocyanate, and their derivatives having iminooxadiazinedione, isocyanurate, uretdione, carbamate, allophanate, biuret, urea, oxadiazinetrione, oxazolidinone, acyl urea and/or carbodiimide groups.
- the aliphatic polyisocyanate is preferably one or more of the following: 1,6-hexane diisocyanate, 2,2-dimethylpentane diisocyanate, 2,2,4-trimethylhexane diisocyanate, butylene diisocyanate, 1,3- butadiene- 1,4-diisocyanate, 2, 4, ⁇ 4-trimethyl- 1, 6-hexane diisocyanate, 1,6,11 -undecane triisocyanate, 1,3,6-hexamethylene triisocyanate, l,8-diisocyanato-4-isocyanatomethyl octane, bis(isocyanatoethyl) carbonate, bis(isocyanatoethyl) ether, lysine methyl ester diisocyanate, lysine triisocyanate, bis(isocyanatomethyl)sulfide, bis(isocyanatoethyl)sulfide, bis(is
- the alicyclic polyisocyanate is preferably one or more of the following: 2,5-bis(isocyanatomethyl)- bicyclo[2.2. l]heptane, 2,6-bis(isocyanatomethyl)-bicyclo[2.2.
- the aromatic polyisocyanate is preferably one or more of the following: 1 ,2-diisocyanatobenzene, 1,3-diisocyanatobenzene, 1 ,4-diisocyanatobenzene, 2,4-diisocyanatotoluene, ethylphenylene diisocyanate, isopropylphenylene diisocyanate, toluene diisocyanate, diethylphenylene diisocyanate, diisopropylphenylene diisocyanate, trimethylbenzene triisocyanate, benzene triisocyanate, biphenyl diisocyanate, toluidine diisocyanate, 4,4'-methylene bis(phenylisocyanate), 4,4'-methylene bis(2-methylphenylisocyanate), bibenzyl -4, 4'-diisocyanate, bis(isocyanatophenyl)ethylene, bis(iso
- the polyisocyanate can also have both an isocyanate group and an isothiocyanate group, such as 1- isocyanato-6-isothiocyanatohexane, 1 -isocyanato-4-isothiocyanatocyclohexane, 1 -isocyanato-4- isothiocyanatobenzene, 4-methyl-3-isocyanato-l-isothiocyanatobenzene, 2-isocyanato-4,6- diisothiocyanato-l,3,5-triazine, 4-isocyanatophenyl-4-isothiocyanatophenyl sulfide and 2- isocyanatoethyl-2-isothiocyanatoethyl disulfide.
- an isocyanate group such as 1- isocyanato-6-isothiocyanatohexane, 1 -isocyanato-4-isothiocyanatocyclohexane,
- the polyisocyanate can also be a halo-substituted, such as chloro-, bromo-, alkyl-, alkoxy-, nitro- or silane-substituted derivative of the above polyisocyanates, such as isocyanatopropyltriethoxysilane or isocyanatopropyltrimethoxysilane.
- halo-substituted such as chloro-, bromo-, alkyl-, alkoxy-, nitro- or silane-substituted derivative of the above polyisocyanates, such as isocyanatopropyltriethoxysilane or isocyanatopropyltrimethoxysilane.
- the polyester polyol is preferably present in an amount of 5 wt% to 95 wt%, preferably 10 wt% to 90 wt%, based on the amount of the system for preparing the polyurethane polymer as 100 wt%.
- the polyester polyol preferably has a hydroxyl value of 20 to 80.
- the polyester polyol is preferably a linear polyester polyol.
- the linear polyester polyol or the lightly branched polyester polyol is prepared by a reaction system comprising the following components: aliphatic, alicyclic or aromatic di- or polycarboxylic acids, for example succinic acid, methyl succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, nonanedicarboxylic acid, decanedicarboxylic acid, terephthalic acid, isophthalic acid, phthalic acid, tetrahydrophthalic acid, hexahydrophthalic acid, cyclohexane dicarboxylic acid, maleic acid, fumaric acid, malonic acid or trimellitic acid; anhydrides, such as phthalic anhydride, trimellitic anhydride or succinic anhydride or mixtures thereof; and low molecular weight polyols, and optionally polyols having a higher functionality, such as trimethylolpropane, g
- the emulsifier is preferably present in an amount of 0.1 wt% to 20 wt%, based on the amount of the system for preparing the polyurethane polymer as 100 wt%.
- the emulsifier preferably comprises at least one isocyanate-reactive group and at least one emulsifying group or latent emulsifying group.
- the isocyanate -reactive group is preferably one or more of the following: a hydroxyl group, a thiol group, and an amino group.
- the emulsifying group or latent emulsifying group is preferably one or more of the following: a sulfonic acid group, a carboxylic acid group, a tertiary amino group, and a hydrophilic polyether.
- the emulsifier comprising a sulfonic acid group and/or a carboxylic acid group is preferably one or more of the following: a diamino compound comprising a sulfonic acid group and/or a carboxylic acid group and a dihydroxy compound comprising a sulfonic acid group and/or a carboxylic acid group; further preferably one or more of the following: sodium, potassium, lithium, and tertiary amine salts of N-(2-aminoethyl)-2-aminoethanesulfonic acid, N-(3-aminopropyl)-2- aminoethanesulfonic acid, N-(3-aminopropyl)-3-aminopropanesulfonic acid, N-(2-aminoethyl)-3- aminopropanesulfonic acid, similar carboxylic acids, dimethylolpropionic acid or dimethylolbutanoic acid; and most preferably one or more of the following:
- the sulfonic acid group or carboxylic acid group can be used directly in the form of their salts, such as sulfonates or carboxylates.
- the sulfonic acid group or carboxylic acid group can also be obtained by partially or completely adding a neutralizing agent for salt formation during or after the preparation of the polyurethane polymer.
- the neutralizing agent for salt formation is preferably one or more of the following: triethylamine, dimethylcyclohexylamine, ethyldiisopropylamine, ammonia, diethanolamine, triethanolamine, dimethylethanolamine, sodium hydroxide, potassium hydroxide, lithium hydroxide, calcium hydroxide, methyldiethanolamine and aminomethylpropanol; and most preferably one or more of the following: triethylamine, dimethylcyclohexylamine and ethyldiisopropylamine.
- the system for preparing the polyurethane polymer may further comprise an organic solvent which is miscible with water and inert to the isocyanate group.
- the organic solvent is preferably present in an amount of 0.001 wt% to 20 wt%, based on the amount of the system for preparing the polyurethane polymer as 100 wt%.
- the organic solvent is preferably one or more of the following: acetone, 2-butanone, tetrahydrofuran, xylene, toluene, cyclohexane, butyl acetate, dioxane acetic acid, methoxypropyl acetate, N-methylpyrrolidone, N-ethylpyrrolidone, acetonitrile, dipropylene glycol dimethyl ether, and a solvent containing an ether or ester unit; are most preferably one or more of the following: acetone and 2-butanone.
- the organic solvent may be added only at the beginning of the preparation, or a portion may be further added during the preparation as needed.
- the system for preparing the polyurethane polymer may further comprise a reactive diluent.
- the reactive diluent is preferably present in an amount of 0.001 wt% to 90 wt%, based on the amount of the system for preparing the polyurethane polymer as 100 wt%.
- the reactive diluent is preferably one or more of the following: an acrylic acid and an acrylate.
- the aqueous polyurethane dispersion is preferably an anionic aqueous polyurethane dispersion, most preferably one or more of the following: Dispercoll U56 and Dispercoll U54.
- the adsorbent is preferably present in an amount of 0.5 wt% to 3 wt%, based on the amount of the composition as 100 wt%.
- the adsorbent is preferably one or more of the following: a hydrophilic molecular sieve and an amphiphilic molecular sieve.
- the hydrophilic molecular sieve and the amphiphilic molecular sieve preferably each independently have an average particle size of 0.1 pm to 10 pm.
- the hydrophilic molecular sieve and the amphiphilic molecular sieve preferably each independently have a chemical solvent content of no more than 0.5 wt%, and are most preferably free of any chemical solvent.
- the hydrophilic molecular sieve is preferably MCM 41.
- the amphiphilic molecular sieve is preferably Zeoflair 200.
- the chelating agent is preferably present in an amount of 0.08 wt% to 0.8 wt%, based on the amount of the composition as 100 wt%.
- the chelating agent is preferably present in the form of a water-soluble salt, which satisfies the following conditions: when the water-soluble salt has a content of 4.3*10 7 mol/g in its aqueous solution, the aqueous solution has a pH value of more than 4, preferably more than 6, and most preferably more than 9.
- the solubility of the water-soluble salt in water is preferably no less than 0.15 g/100 g of water, further preferably no less than 1 g/100 g of water, and most preferably 1 g/100 g of water to 100 g/100 g of water, measured at room temperature of 20 °C.
- the chelating agent is preferably one or more of the following: an ethylenediamine tetraacetate, a tartrate, a citrate, a pyrophosphate, a tripolyphosphate, a hexametaphosphate, and a gluconate; further preferably one or more of the following: an ethylenediamine tetraacetate, an alkali metal tartrate, an alkali metal citrate, an alkali metal pyrophosphate, an alkali metal tripolyphosphate, an alkali metal hexametaphosphate, and an alkali metal gluconate; more preferably one or more of the following: a monovalent cationic ethylenediamine tetraacetate, a monovalent cationic tartrate, a monovalent cationic citrate, a monovalent cationic pyrophosphate, a monovalent cationic tripolyphosphate, a monovalent cationic hexametaphosphate, a monovalent
- the composition may further comprise a stabilizer, which advantageously reduces the hydrolysis of the composition and thereby extends the pot life of the composition.
- the stabilizer is preferably one or more of the following: a carbodiimide compound, an epoxy compound, an oxazoline compound, and an aziridine compound.
- the stabilizer has a content of preferably 0 to 10 wt%, further preferably 0.5 wt% to 10 wt%, and most preferably 0.5 wt% to 2 wt%, based on the amount of the solid components of the composition as 100 wt%.
- composition may further comprise an additive.
- the additive is preferably one or more of the following: a co-adhesive, a thickener, an adhesion promoter, a lubricant, a wetting additive, a dye, a light stabilizer, an aging inhibitor, a pigment, a flow controlling agent, an antistatic agent, a UV absorber, a film forming aid, an antifoaming agent and a plasticizer.
- the amount of the additive is well known to those skilled in the art.
- the composition may further comprise an aqueous dispersion different from the aqueous polyurethane dispersion, preferably one or more of the following: an aqueous polyester dispersion, an aqueous polyurethane -polyacrylate dispersion, an aqueous polyacrylate dispersion, an aqueous polyester-polyacrylate dispersion, an alkyd resin, an aqueous polyamide/imide dispersion, and an aqueous polyepoxide dispersion.
- the weight ratio of the aqueous dispersion different from the aqueous polyurethane dispersion to the aqueous polyurethane dispersion is preferably between 0.01 and 0.9.
- each adsorbent may be premixed and then mixed with the aqueous polyurethane dispersion and the chelating agent, or each adsorbent may be directly mixed with the aqueous polyurethane dispersion and the chelating agent.
- the aqueous polyurethane dispersion is preferably obtained by a reaction comprising the steps of: a. reacting some or all of the polyisocyanate and the polyester polyol to obtain a prepolymer, wherein the reaction is carried out optionally in the presence of a water-miscible organic solvent which is inert to the isocyanate group, or the prepolymer is optionally dissolved by adding a water- miscible organic solvent which is inert to the isocyanate group after the reaction; b.
- the aqueous polyurethane polymer is preferably prepared by a prepolymer mixing method, an acetone method or a melt dispersion method, and most preferably by an acetone method.
- the order for mixing the components of the system for preparing the aqueous polyurethane polymer may follow a conventional manner.
- the polyisocyanate and the polyester polyol may be added in one portion or in multiple portions, and each portion may have the same component(s) as previously added or different ones.
- the organic solvent present in the aqueous polyurethane dispersion can be removed by distillation.
- the organic solvent may be removed during the formation of the polyurethane polymer, or may be removed after the formation of the polyurethane polymer.
- the chelating agent can be added in the form of a solid or an aqueous solution. It is preferably added in the form of an aqueous solution of the chelating agent, which will be more advantageous for the dispersion of the chelating agent.
- the chelating agent may be directly added, or may be formed by means of acid-base neutralization in the composition.
- the acid-base neutralization may be complete or partial neutralization, preferably complete neutralization.
- the acid may be a free acid which is neutralized with a base to form a chelating agent as a water- soluble salt.
- the free acid is preferably one or more of the following: an aminocarboxylic acid, a hydroxycarboxylic acid, an inorganic polyphosphoric acid, a hydroxyaminocarboxylic acid, an organic polyphosphonic acid, and a polycarboxylic acid.
- the aminocarboxylic acid is preferably ethylenediamine tetraacetic acid and/or aminotriacetic acid.
- the hydroxycarboxylic acid is preferably one or more of the following: tartaric acid, citric acid, and gluconic acid.
- the inorganic polyphosphoric acid is preferably one or more of the following: tripolyphosphoric acid, hexametaphosphoric acid, and pyrophosphoric acid.
- the hydroxyaminocarboxylic acid is preferably hydroxyethylethylenediamine triacetic acid and/or dihydroxyethylglycine.
- the method of preparing the composition according to the present invention preferably comprises the step of mixing the aqueous polyurethane dispersion, the adsorbent, the chelating agent, the optional stabilizer, the optional additive and the optional aqueous dispersion in any manner.
- the article is preferably selected from the group consisting of automotive interior trim and indoor furniture.
- the substrate is preferably one or more of the following: wood, plastic, metal, glass, textile, alloy, fabric, artificial leather, paper, cardboard, EVA, rubber, dermis, glass fiber, ethylene vinyl acetate copolymer, polyolefin, thermoplastic polyurethane, polyurethane foam, polymer fiber and graphite fiber; and most preferably one or more of the following: EVA, rubber, dermis, artificial leather, ethylene vinyl acetate copolymer, polyolefin, thermoplastic polyurethane and polyurethane foam.
- the applying may be applying the composition to the entire surface of the substrate or only to one or more portions of the substrate surface.
- the applying may be brushing, dipping, spraying, roller coating, knife coating, flow coating, casting, printing or transfer printing, preferably brushing, dipping or spraying.
- the method of producing a bonded article may further comprise a step iii of heating and drying the substrate surface to which the composition is applied between the step i and step ii.
- step iii is contacting the substrate surface treated in step iii with a surface of the substrate itself or an additional substrate to obtain the bonded article.
- the step iii of heating and drying the substrate surface to which the adhesive is applied may refer to only heating and drying the substrate surface, or may refer to heating and drying the partial or entire substrate including the substrate surface to which the adhesive is applied.
- the heating and drying can remove a volatile component.
- the volatile component can be water.
- the heating and drying is preferably one or more of the following: infrared heat radiation, near- infrared heat radiation, microwaves, and use of a convection oven or a spray dryer at an elevated temperature.
- the heating temperature is as high as possible, but should not be above the temperature limit at which the substrate is subject to deformation or other damages in any uncontrolled manner.
- the contacting is carried out preferably before the temperature of the substrate surface is lower than the temperature at which the adhesive is bondable.
- the additional substrate may be any substrate that needs to be bonded.
- the additional substrate may be the same as or different from the substrate.
- the additional substrate is preferably subject to coating and heating treatments.
- the amount of any organic solvent in the two-component system is preferably no more than 5 wt%, most preferably no more than 0.5 wt%, based on the amount of the two-component system as 100 wt%.
- the two-component system is aqueous, and has a low VOC content.
- the components A and B are preferably stored separately and mixed prior to use.
- the weight ratio of the component A to the component B is preferably from 1:1 to 100:1, most preferably from 15:1 to 25:1.
- the crosslinking agent is preferably a compound containing isocyanate group(s).
- the two-component system is preferably a coating or an adhesive, most preferably a coating or an adhesive for interior trim.
- the article is preferably selected from the group consisting of automotive interior trim and indoor furniture.
- the substrate is preferably one or more of the following: wood, plastic, metal, glass, textile, alloy, fabric, artificial leather, paper, cardboard, EVA, rubber, dermis, glass fiber, ethylene vinyl acetate copolymer, polyolefin, thermoplastic polyurethane, polyurethane foam, polymer fiber and graphite fiber; and most preferably one or more of the following: EVA, rubber, dermis, artificial leather, ethylene vinyl acetate copolymer, polyolefin, thermoplastic polyurethane and polyurethane foam.
- the applying may be applying the composition to the entire surface of the substrate or only to one or more portions of the substrate surface.
- the applying may be brushing, dipping, spraying, roller coating, knife coating, flow coating, casting, printing or transfer printing, preferably brushing, dipping or spraying.
- a component means one or more components, and thus more than one component may be contemplated and may be employed or used in an implementation of the described embodiments.
- the solid content of the aqueous polyurethane dispersion is measured according to DIN-EN ISO 3251-2019 using a HS153 moisture analyzer from Mettler Toledo.
- the isocyanate group (NCO) content is determined by volume according to DIN-EN ISO 11909- 2007 and the measured data include both free and potentially free NCO contents.
- the pH value is measured at 23 °C using a PB-10pH meter from Sartorius, Germany.
- the specific surface area is determined by the standard test method in accordance with DIN ISO 9277-2014.
- DispercoII U56 an anionic aqueous polyurethane dispersion with a solid content of 50 ⁇ 1%, available from Covestro AG, Germany.
- Desmodur DN a HDI-based aliphatic polyisocyanate crosslinking agent with an isocyanate (NCO) content of 21.8% and a viscosity of 1250 mPa.s, available from Covestro AG, Germany.
- DispercoII S 4020 a hydrophilic fumed nano-silica dispersion having a solid content of 40 wt%, an average particle size of 15 nm, and a BET of 200 m 2 /g, available from Covestro AG, Germany.
- Aerosil 200 hydrophilic fumed nano-silica with an average particle size of 12 nm and a BET of 200 ⁇ 25 m 2 /g, available from Evonik, Germany.
- Aerosil 380 hydrophilic fumed nano-silica with an average particle size of 7 nm and a BET of 380 ⁇ 30 m 2 /g, available from Evonik, Germany.
- Aerosil R812S hydrophobic fumed nano-silica with an average particle size of 7 nm and a BET of 220 ⁇ 25 m 2 /g, available from Evonik, Germany.
- Aerosil R972 hydrophobic fumed nano-silica with an average particle size of 16 nm and a BET of 110 + 20 m 2 /g, available from Evonik, Germany.
- Zeoflair 200 an amphiphilic molecular sieve with an average particle size of less than 7 pm, available from Zeochem.
- Zeoflair 100 a hydrophobic molecular sieve with an average particle size of less than 7 pm, available from Zeochem.
- MCM41 a hydrophilic molecular sieve with an average particle size of 0.2 pm-1 pm, available from Nanjing XFNANO Materials Tech Co., Ltd.
- Sodium pyrophosphate a chelating agent
- the pH value of the aqueous sodium pyrophosphate solution is 9.89 when sodium pyrophosphate has a content of 4.3*10 7 mol/g in its aqueous solution
- the solubility of sodium pyrophosphate in water measured at room temperature of 20 °C is 6.2 g/100 g, available from Jiangyin Chengxing Industrial Group Co., Ltd.
- Table 1 shows the composition of the compositions and the two-component systems of the inventive Examples and the comparative Examples, as well as the odor test results of the compositions and the two-component systems.
- the aqueous polyurethane dispersion was weighed according to the contents of the components shown in Table 1.
- the aqueous polyurethane dispersion was added to a vessel, the molecular sieve adsorbent was then added while stirring at a stirring speed of 700 rpm, and finally the stirring speed was increased to 900 rpm - 1000 rpm. The stirring was continued for about 30 minutes, until all components were uniformly dispersed.
- the aqueous polyurethane dispersion was added to a vessel, a sodium pyrophosphate solution (dissolved in water at a concentration of 5%) and the molecular sieve were sequentially added at a stirring speed of 700 rpm, and the stirring speed was then increased to 900 rpm - 1000 rpm. The stirring was continued for about 30 minutes, until all components were uniformly dispersed.
- the aqueous polyurethane dispersion was added to a vessel, and a small amount of the silica adsorbent was added, followed by stirring at a speed of 200 rpm until the silica was uniformly dispersed. Then, the stirring was stopped and a small amount of the silica adsorbent was further added, followed by stirring at a speed of 200 rpm until the silica was uniformly dispersed. Said step was repeated until the amount of silica shown in Table 1 was fully added, and finally the stirring speed was increased to 900 rpm - 1000 rpm. The stirring was continued for about 30 minutes, until all components were uniformly dispersed. Among them, the adsorbents of Comparative Example 5 and Comparative Example 6 could not be uniformly dispersed in other components and always floated on the surface.
- the aqueous polyurethane dispersion was added to a vessel, and then a sodium pyrophosphate solution (dissolved in water at a concentration of 5%) was added at a stirring speed of 800 rpm. Then, the stirring was stopped and a small amount of the silica adsorbent was added, followed by stirring at a speed of 200 rpm until the silica was uniformly dispersed. Then, the stirring was stopped and a small amount of the silica adsorbent was further added, followed by stirring at a speed of 200 rpm until the silica was uniformly dispersed.
- the aqueous polyurethane dispersion was added to a vessel and stirred at a speed of 700 rpm, a sodium pyrophosphate solution (dissolved in water at a concentration of 5%) and the molecular sieve were sequentially added while stirring, and the stirring speed was then increased to 900 rpm - 1000 rpm. The stirring was continued for about 30 minutes until all components were uniformly dispersed, and then the crosslinking agent was added while stirring at a speed of 400 rpm to obtain the two-component system.
- Odor test method The odor assessment of the composition or the two-component system was carried out by means of an electronic nose as follows:
- Table 1 Composition of the compositions and the two-component systems of the inventive Examples (Ex) and the comparative Examples (CE), as well as the odor test results
- Comparative Examples 1-8 When comparing Comparative Examples 1-8 with Example 1, it can be seen that the inventive compositions comprising an aqueous polyurethane dispersion, an adsorbent and a chelating agent have much lower readings of odor test than those of the compositions of the Comparative Examples comprising only an aqueous polyurethane dispersion and an optional adsorbent.
- the adsorbents of both Comparative Example 5 and Comparative Example 6 were hydrophobic, and these adsorbents could not be uniformly dispersed in other components, indicating that it is not possible to form a composition suitable for practical use.
- the composition of Comparative Example 9 comprises an aqueous polyurethane dispersion, an adsorbent and a chelating agent, but the composition has an adsorbent content of more than 3 wt% and a high reading of odor test.
- the composition of Comparative Example 10 comprises an aqueous polyurethane dispersion, an adsorbent and a chelating agent, but the composition has a chelating agent content of more than 1 wt%.
- the components of the composition gelled during the stirring, and thus the odor test could not be performed.
- the composition of Comparative Example 11-12 comprise an aqueous polyurethane dispersion, an adsorbent and a chelating agent, but the adsorbent is hydrophilic fumed silica.
- the composition has a high reading of odor test.
- Example 2 refers to a two-component system comprising a component A and a component B.
- the component A is the inventive composition
- the component B is Desmodur DN
- the two- component system has a low reading of odor test.
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