JP2013506186A - タッチパネル - Google Patents
タッチパネル Download PDFInfo
- Publication number
- JP2013506186A JP2013506186A JP2012530788A JP2012530788A JP2013506186A JP 2013506186 A JP2013506186 A JP 2013506186A JP 2012530788 A JP2012530788 A JP 2012530788A JP 2012530788 A JP2012530788 A JP 2012530788A JP 2013506186 A JP2013506186 A JP 2013506186A
- Authority
- JP
- Japan
- Prior art keywords
- touch panel
- pressure
- sensitive adhesive
- adhesive layer
- acrylic resin
- 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.)
- Granted
Links
- 239000010408 film Substances 0.000 claims abstract description 76
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 71
- 239000010410 layer Substances 0.000 claims abstract description 46
- 239000010409 thin film Substances 0.000 claims abstract description 46
- 239000012790 adhesive layer Substances 0.000 claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000004033 plastic Substances 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 17
- 239000004925 Acrylic resin Substances 0.000 claims description 53
- 229920000178 Acrylic resin Polymers 0.000 claims description 53
- 239000000758 substrate Substances 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 25
- 239000000178 monomer Substances 0.000 claims description 22
- -1 isocyanate compound Chemical class 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 19
- 239000003431 cross linking reagent Substances 0.000 claims description 19
- 239000000853 adhesive Substances 0.000 claims description 17
- 230000001070 adhesive effect Effects 0.000 claims description 17
- 125000000524 functional group Chemical group 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000012948 isocyanate Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 239000013522 chelant Substances 0.000 claims description 3
- 125000003700 epoxy group Chemical group 0.000 claims description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 29
- 238000000034 method Methods 0.000 description 27
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 23
- 239000011347 resin Substances 0.000 description 15
- 229920005989 resin Polymers 0.000 description 15
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 12
- 239000007787 solid Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 8
- 230000000704 physical effect Effects 0.000 description 8
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000007667 floating Methods 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 7
- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002985 plastic film Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000012986 chain transfer agent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- FFBZKUHRIXKOSY-UHFFFAOYSA-N aziridine-1-carboxamide Chemical compound NC(=O)N1CC1 FFBZKUHRIXKOSY-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000010943 off-gassing Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920006289 polycarbonate film Polymers 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 description 1
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 description 1
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 description 1
- IVIDDMGBRCPGLJ-UHFFFAOYSA-N 2,3-bis(oxiran-2-ylmethoxy)propan-1-ol Chemical compound C1OC1COC(CO)COCC1CO1 IVIDDMGBRCPGLJ-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- OZDGMOYKSFPLSE-UHFFFAOYSA-N 2-Methylaziridine Chemical compound CC1CN1 OZDGMOYKSFPLSE-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- GLXXNAZOLXIHIH-UHFFFAOYSA-N 2-prop-2-enoyloxybutanedioic acid Chemical compound OC(=O)CC(C(O)=O)OC(=O)C=C GLXXNAZOLXIHIH-UHFFFAOYSA-N 0.000 description 1
- YAHLUTXNMRWKSM-UHFFFAOYSA-N 2-prop-2-enoyloxybutanoic acid Chemical compound CCC(C(O)=O)OC(=O)C=C YAHLUTXNMRWKSM-UHFFFAOYSA-N 0.000 description 1
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- AEMRFAOFKBGASW-UHFFFAOYSA-M Glycolate Chemical compound OCC([O-])=O AEMRFAOFKBGASW-UHFFFAOYSA-M 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- IIGAAOXXRKTFAM-UHFFFAOYSA-N N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C Chemical compound N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C IIGAAOXXRKTFAM-UHFFFAOYSA-N 0.000 description 1
- HDFXKZVEBVNPMO-UJPDDDSFSA-N N=C=O.OC[C@H]([C@@H]([C@H](C=O)O)O)O Chemical compound N=C=O.OC[C@H]([C@@H]([C@H](C=O)O)O)O HDFXKZVEBVNPMO-UJPDDDSFSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- FYAMXEPQQLNQDM-UHFFFAOYSA-N Tris(1-aziridinyl)phosphine oxide Chemical compound C1CN1P(N1CC1)(=O)N1CC1 FYAMXEPQQLNQDM-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- GBRBMTNGQBKBQE-UHFFFAOYSA-L copper;diiodide Chemical compound I[Cu]I GBRBMTNGQBKBQE-UHFFFAOYSA-L 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- WQABCVAJNWAXTE-UHFFFAOYSA-N dimercaprol Chemical compound OCC(S)CS WQABCVAJNWAXTE-UHFFFAOYSA-N 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- VIBDJEWPNNCFQO-UHFFFAOYSA-N ethane-1,1,2-triol Chemical compound OCC(O)O VIBDJEWPNNCFQO-UHFFFAOYSA-N 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 239000010931 gold Substances 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 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 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 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
- 238000000691 measurement method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- WYOXPIKARMAQFM-UHFFFAOYSA-N n,n,n',n'-tetrakis(oxiran-2-ylmethyl)ethane-1,2-diamine Chemical compound C1OC1CN(CC1OC1)CCN(CC1OC1)CC1CO1 WYOXPIKARMAQFM-UHFFFAOYSA-N 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- REJKHFKLPFJGAQ-UHFFFAOYSA-N oxiran-2-ylmethanethiol Chemical compound SCC1CO1 REJKHFKLPFJGAQ-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
本発明のタッチパネルは、プラスチック基材フィルムを有する形態であれば、その具体的な種類は特別に制限されない。例えば、本発明のタッチパネルは、抵抗膜方式のタッチパネルまたは静電容量方式のタッチパネルであっても良い。
[式1]
△R=[(R−Ri)/Ri]×100≦15
本実施例における各物性は下記方式で評価した。
両面にハードコーティングが形成されているポリエチレンテレフタレートフィルム(厚さ:100μm)のハードコーティング面とポリカーボネートシート(厚さ:1mm)とを粘着剤層を介して付着し、50mm×100mm(横×縦)のサイズで裁断する。次に、裁断された付着物を60℃及び5気圧条件で30分間オートクレーブ処理してサンプルを製造し、製造されたサンプルに対して耐熱耐久性と耐湿熱耐久性を評価する。耐熱耐久性は、サンプルを80℃で240時間放置した後、気泡発生可否、浮き、剥離及び/または反りの発生可否を評価して測定する。また、耐湿熱耐久性は、サンプルを60℃及び90%の相対湿度条件で240時間放置した後、同様に気泡、浮き、剥離及び反りの発生可否を観察して評価する。耐久性の指標になる前記各物性の具体的な測定方法または基準は、下記のとおりである。
○:光学顕微鏡で観察時に粘着界面から気泡が発生しなかった場合、又は直径が100μm以下の気泡が少量分散して観察される場合
×:光学顕微鏡で観察時に粘着界面から直径が100μm以上の気泡が発生した場合、又は直径が100μm以下の気泡が多量群集された状態で観察される場合
○:粘着界面で浮き及び剥離の発生がない場合
×:粘着界面で浮きまたは剥離が発生した場合
耐熱条件または耐湿熱条件で放置されたサンプルを底に置いた場合に、反りにより地面から浮かんでいる中央部の高さを測定した。
抵抗変化率は、図4に示したような方式で測定する。まず、当業界で一般的に流通されるものとして、一面にITO薄膜20が形成されたポリエチレンテレフタレートフィルム10(以下、導電性PETと称する)を30mm×50mm(幅×長さ)のサイズで裁断する。次に、図4のように、フィルム10の両先端に10mmの幅で銀ペースト(Silver Paste)30を塗布し、150℃で30分間塑性する。その後、実施例などで製造されるもので両面に異形フィルム51が付着されている粘着シートを30mm×40mm(幅×長さ)のサイズで裁断し、一面の異形フィルムを除去した後に粘着剤層40を塑性されたフィルムに付着する。前記付着は、粘着剤層の中心と導電性PET10、20の中心を合わせて実行する。その後、通常的な抵抗測定機60を使用してITO薄膜20の初期抵抗Riを測定する。初期抵抗を測定した後に図4の構造の試片を60℃及び90%の相対湿度で240時間放置し、再度同一に測定機60でITO薄膜20の抵抗Rを測定し、各々の数値を下記の一般式1に代入して抵抗変化率△Rを測定する。
[式1]
△R=[(R−Ri)/Ri]×100
内部に窒素ガスが還流され、温度調節が容易に冷却装置を設置した1L反応機にn−ブチルアクリレート(n−BA)97重量部及びアクリル酸(AA)3重量部を投入した。次に、エチルアセテート(EAc)120重量部を溶剤で投入し、鎖移動剤で2−メルカプトエタノール(2−mercapto ethanol)0.03重量部を投入した。その後、酸素除去のために窒素ガスを60分間パージ(purging)し、60℃の温度に維持した状態で、反応開始剤であるアゾビスイソブチロニトリル(AIBN)0.04重量部を投入した後、8時間の間反応させた。反応後の反応物をエチルアセテート(EAc)で適切に希薄して、固形分が30重量%で、重量平均分子量が80万で、多分散度(Mw/Mn)が2.7であるアクリル樹脂(A)を製造した。前記樹脂(A)の重量平均分子量及び多分散度は、重合体分野で通常的に使用されるGPC分析を通じて求めた。
単量体として、n−ブチルアクリレート(n−BA)93重量部及びアクリル酸(AA)7重量部を投入したこと以外は、製造例1に準する方式でアクリル樹脂(B)を製造した。アクリル係樹脂(B)の固形分含量は、30重量%、重量平均分子量は、85万、多分散度は、2.8であった。
単量体として、n−ブチルアクリレート(n−BA)98.5重量部及び2−ヒドロキシエチルメタクリレート(2−HEMA)1.5重量部を投入したこと以外は、製造例1に準する方式でアクリル樹脂(C)を製造した。アクリル樹脂(C)の固形分含量は、30重量%、重量平均分子量は、70万、多分散度は、2.3であった。
単量体として、n−ブチルアクリレート(n−BA)68.5重量部、メチルアクリレート(MA)30重量部及び2−ヒドロキシエチルメタクリレート(2−HEMA)1.5重量部を投入したこと以外は、製造例1に準する方式でアクリル樹脂(D)を製造した。アクリル樹脂(D)の固形分含量は、30重量%、重量平均分子量は、60万、多分散度は、2.7であった。
単量体として、n−ブチルアクリレート(n−BA)68.5重量部、メチルアクリレート(MA)30重量部及び2−ヒドロキシエチルメタクリレート(2−HEMA)1.5重量部を投入し、鎖移動剤として2−メルカプトエチルアルコール(2−mercapto ethanol)0.01重量部を投入したこと以外は、製造例1に準する方式でアクリル樹脂(E)を製造した。アクリル樹脂(E)の固形分含量は、30重量%、重量平均分子量は、110万、多分散度は、3.7であった。
反応開始剤を投入した後3時間が経過した時点から反応温度を68℃に高めて反応を進行させたこと以外は、製造例1と同一に重合を実行して、固形分含量が35重量%で、重量平均分子量が77万であり、多分散度が7.5であるアクリル樹脂(F)を製造した。
単量体として、n−ブチルアクリレート(n−BA)98.5重量部及び2−ヒドロキシエチルメタクリレート(2−HEAM)1.5重量部を使用し、反応温度を68℃に調節したこと以外は、製造例1に準する方式でアクリル樹脂(G)を製造した。アクリル樹脂(G)の固形分含量は、33重量%、重量平均分子量は、80万、多分散度は、4.5であった。
製造例1の樹脂(A)の固形分100重量部に対してエポキシ系架橋剤(Tetrad C:三菱製4官能性エポキシ系架橋剤)0.1重量部を均一に混合して粘着剤組成物を製造した。次に、前記粘着剤組成物を、一面に異形処理されているポリエチレンテレフタレートフィルム(厚さ:50μm)の異形処理面に120℃で3分間処理し、厚さが50μmである透明な粘着剤層を形成した。次に、前記粘着剤層の他の面に異形処理されたポリエチレンテレプタレートフィルム(厚さ:50μm)の異形処理面をラミネートして、図3に示した構造の粘着シートを製造した。
製造例2の樹脂(B)を使用したこと以外は、実施例1と同一な方式で粘着シートを製造した。
製造例3のアクリル樹脂(C)を使用し、その固形分100重量部に対して、架橋剤としてイソシアネート系架橋剤(Coronate−L)0.3重量部を配合したこと以外は、実施例1と同一な方式で粘着シートを製造した。
製造例4のアクリル樹脂(D)を使用し、その固形分100重量部に対して、架橋剤としてイソシアネート系架橋剤(Coronate−L)0.3重量部を配合したこと以外は、実施例1と同一な方式で粘着シートを製造した。
製造例5の樹脂(E)を使用したこと以外は、実施例1と同一な方式で粘着シートを製造した。
製造例6の樹脂(F)を使用したこと以外は、実施例1と同一な方式で粘着シートを製造した。
製造例7のアクリル樹脂(D)を使用し、その固形分100重量部に対して、架橋剤としてイソシアネート系架橋剤(Coronate−L)0.3重量部を配合したこと以外は、実施例1と同一な方式で粘着シートを製造した。
11:粘着剤層
13、14、23、24:基材
12、21、22:導電体薄膜
3:粘着シート
31:粘着剤層
32、33:異形フィルム
10:PETフィルム
20:ITO薄膜
30:銀ペースト
40:粘着剤層
51:異形フィルム
60:抵抗測定機
Claims (15)
- プラスチック基材フィルムと、前記基材フィルムに付着されており、多分散度が4.0以下であるアクリル樹脂を含む粘着剤層とを含む、タッチパネル。
- 前記プラスチック基材フィルムの少なくとも一面には導電体薄膜が追加で形成されており、前記粘着剤層が前記導電体薄膜に直接付着されている、請求項1に記載のタッチパネル。
- 少なくとも一面に導電体薄膜が形成されている基材を追加で含み、前記粘着剤層は、前記基材の導電体薄膜と前記プラスチック基材フィルムの導電体薄膜をお互いに付着させている、請求項2に記載のタッチパネル。
- 前記アクリル樹脂は、多分散度が3.5以下である、請求項1に記載のタッチパネル。
- 前記アクリル樹脂の多分散度が3.0以下である、請求項1に記載のタッチパネル。
- 前記アクリル樹脂は、重量平均分子量が30万乃至150万である、請求項1に記載のタッチパネル。
- 前記アクリル樹脂は、(メタ)アクリル酸エステル単量体及び架橋性官能基を提供する共重合成単量体を重合された形態で含む、請求項1に記載のタッチパネル。
- 前記架橋性官能基は、ヒドロキシ基、カルボキシル基、窒素含有基、エポキシ基またはイソシアネート基である、請求項7に記載のタッチパネル。
- 前記粘着剤層は、前記アクリル樹脂を架橋させている多官能性架橋剤をさらに含む、請求項1に記載のタッチパネル。
- 前記多官能性架橋剤は、イソシアネート化合物、エポキシ化合物、アジリジン化合物または金属キレート化合物である、請求項9に記載のタッチパネル。
- 前記粘着剤層は、アクリル樹脂100重量部に対して、0.01重量部乃至5重量部の多官能性架橋剤を含む、請求項9に記載のタッチパネル。
- 多分散度が4.0以下であるアクリル樹脂を含み、下記一般式1の条件を満足する、タッチパネル用粘着剤組成物。
[式1]
△R=[(R−Ri)/Ri]×100≦15
前記一般式1において、△Rは、抵抗変化率を示し、Riは、前記粘着剤組成物から来由された粘着剤層をITO電極に付着した後に測定した前記ITO電極の初期抵抗を示し、Rは、前記粘着剤層が付着されたITO電極を60℃及び90%の相対湿度で240時間の間維持した後に測定した前記ITO電極の抵抗である。 - 前記△Rが10以下である、請求項12に記載のタッチパネル用粘着剤組成物。
- プラスチック基材フィルム及び前記基材フィルムに付着されている粘着剤層を含むタッチパネルの前記粘着剤層に適用するためのものである、請求項12に記載のタッチパネル用粘着剤組成物。
- 請求項12による粘着剤組成物を含む粘着剤層を有する、タッチパネル用粘着シート。
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KR10-2010-0093117 | 2010-09-27 | ||
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EP2484737A2 (en) | 2012-08-08 |
US20120244348A1 (en) | 2012-09-27 |
EP2484737A4 (en) | 2013-10-16 |
TWI443163B (zh) | 2014-07-01 |
WO2011037440A2 (ko) | 2011-03-31 |
CN102648260A (zh) | 2012-08-22 |
EP2484737B1 (en) | 2015-07-29 |
CN102648260B (zh) | 2015-06-03 |
JP5660641B2 (ja) | 2015-01-28 |
KR101191117B1 (ko) | 2012-10-15 |
TW201130936A (en) | 2011-09-16 |
WO2011037440A3 (ko) | 2011-11-03 |
US20140057102A1 (en) | 2014-02-27 |
KR20110034556A (ko) | 2011-04-05 |
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