JP2014527223A - タッチパネル - Google Patents
タッチパネル Download PDFInfo
- Publication number
- JP2014527223A JP2014527223A JP2014521560A JP2014521560A JP2014527223A JP 2014527223 A JP2014527223 A JP 2014527223A JP 2014521560 A JP2014521560 A JP 2014521560A JP 2014521560 A JP2014521560 A JP 2014521560A JP 2014527223 A JP2014527223 A JP 2014527223A
- Authority
- JP
- Japan
- Prior art keywords
- sensitive adhesive
- pressure
- adhesive layer
- touch panel
- acrylic polymer
- 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
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 74
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 62
- -1 thiol compound Chemical group 0.000 claims abstract description 60
- 239000010410 layer Substances 0.000 claims abstract description 42
- 239000010409 thin film Substances 0.000 claims abstract description 31
- 239000012790 adhesive layer Substances 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 150000003573 thiols Chemical class 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 239000004417 polycarbonate Substances 0.000 claims abstract description 7
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 39
- 239000000178 monomer Substances 0.000 claims description 39
- 238000006116 polymerization reaction Methods 0.000 claims description 25
- 239000000126 substance Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003431 cross linking reagent Substances 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 125000002947 alkylene group Chemical group 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 35
- 230000003287 optical effect Effects 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 23
- 238000000034 method Methods 0.000 description 22
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 239000007787 solid Substances 0.000 description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 description 8
- 239000005020 polyethylene terephthalate Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 7
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 7
- 125000000524 functional group Chemical group 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 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 6
- 239000011248 coating agent Substances 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000004925 Acrylic resin Substances 0.000 description 5
- 229920000178 Acrylic resin Polymers 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 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
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000012948 isocyanate Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000004544 sputter deposition 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
- 239000004593 Epoxy Substances 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
- 239000004793 Polystyrene Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-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
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 239000004840 adhesive resin Substances 0.000 description 2
- 229920006223 adhesive resin Polymers 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
- 238000005452 bending Methods 0.000 description 2
- WQAQPCDUOCURKW-UHFFFAOYSA-N butanethiol Chemical compound CCCCS WQAQPCDUOCURKW-UHFFFAOYSA-N 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- QJAOYSPHSNGHNC-UHFFFAOYSA-N octadecane-1-thiol Chemical compound CCCCCCCCCCCCCCCCCCS QJAOYSPHSNGHNC-UHFFFAOYSA-N 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 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
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 125000003396 thiol group Chemical group [H]S* 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 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 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
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- PSYGHMBJXWRQFD-UHFFFAOYSA-N 2-(2-sulfanylacetyl)oxyethyl 2-sulfanylacetate Chemical compound SCC(=O)OCCOC(=O)CS PSYGHMBJXWRQFD-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
- JYSWMLAADBQAQX-UHFFFAOYSA-N 2-prop-2-enoyloxyacetic acid Chemical compound OC(=O)COC(=O)C=C JYSWMLAADBQAQX-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
- DKIDEFUBRARXTE-UHFFFAOYSA-M 3-mercaptopropionate Chemical compound [O-]C(=O)CCS DKIDEFUBRARXTE-UHFFFAOYSA-M 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
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 description 1
- LRUDIIUSNGCQKF-UHFFFAOYSA-N 5-methyl-1H-benzotriazole Chemical compound C1=C(C)C=CC2=NNN=C21 LRUDIIUSNGCQKF-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-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
- 239000005057 Hexamethylene diisocyanate Substances 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
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene 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
- 239000007983 Tris buffer Substances 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
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 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
- 229920000180 alkyd Polymers 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 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
- 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
- 238000011088 calibration curve Methods 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000011247 coating layer 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
- 229940125782 compound 2 Drugs 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
- 230000007423 decrease Effects 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-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
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 125000003700 epoxy group Chemical group 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
- 238000007667 floating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 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
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 150000002513 isocyanates Chemical class 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
- 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
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 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
- ZVEZMVFBMOOHAT-UHFFFAOYSA-N nonane-1-thiol Chemical compound CCCCCCCCCS ZVEZMVFBMOOHAT-UHFFFAOYSA-N 0.000 description 1
- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical compound CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 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
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Abstract
【選択図】図2
Description
基材と;上記基材に付着している粘着剤層と;を含み、
上記粘着剤層は、アクリル重合体と;
アクリル単量体及びチオール化合物から誘導されるチオール重合体と;を含有するアクリル重合物を含み、
上記粘着剤層は、ポリカーボネートシートに対する剥離力が1,900g/25mm以上であるタッチパネルに関する。
本発明のタッチパネルは、粘着剤を有するものなら特に制限されず、一般的な素材の構造ならすべて含まれることができる。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ることができる。
図1に示された構造は、基材12と、上記基材12の一面に粘着剤層11が付着している構造であり、上記基材は、プラスチックフィルムで構成されることができる。
△R=[(R−Ri)/Ri]×100
[1.耐久性テスト]
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)を粘着剤層を介して付着し、50mm×100mm(横×縦)サイズに切断した後、60℃及び5気圧条件で30分間オートクレーブ処理し、サンプルを製造した。その後、サンプルを80℃で240時間放置した後、耐久性を評価した。
○:光学顕微鏡で観察時に粘着界面で気泡が発生しないか、または直径が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で直径が100μm以上の気泡が発生するか、または直径が100μm以下の気泡が多量群集された状態に観察される場合
○:粘着界面で浮き上がり及び剥離の発生がない場合
×:粘着界面で浮き上がりまたは剥離が発生した場合
抵抗変化率の測定は、図5に示されたような方式で測定した。まず、市販されているものとして、一面にITO薄膜20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10(以下、「導電性PET」)を30mm×50mm(幅×長さ)のサイズに切断した。その後、図5に示されたように、フィルムの両端に幅が10mmになるように銀ペースト(SilverPaste)30を塗布し、150℃で30分間焼成した。次いで、上記焼成されたフィルム上に実施例などで製造されたものであって、両面に離型フィルム51が形成されている両面粘着テープを30mm×40mm(幅×長さ)のサイズに切断した後、一面の離型フィルムを除去し、粘着剤層40の中心を導電性PET 10、20の中心と合わせて付着した。その後、通常的な抵抗測定器60を使用して初期抵抗Riを測定した。初期抵抗測定後に、図4の構造の試験片を60℃及び90%相対湿度で240時間放置した後、同一に測定器60で抵抗Rを測定し、それぞれの数値を下記数式1に代入して、抵抗変化率Pを測定した。
P=[(R−Ri)/Ri]×100
剥離力の測定は、製造された両面粘着テープを1インチ幅で準備した後、ポリカーボネート積層体を被着体とて2kgローラーで2回往復して付着させた。付着後、30分経過後に、引張試験機(Texture Analyzer)を使用して常温で180゜剥離力(剥離速度:300mm/min)を測定した。上記測定は、1つのサンプル当たり3回以上行い、その平均値を下記表2に記載した。
アクリル重合物の重量平均分子量及び多分散指数は、GPCを使用して、以下の条件で測定した。検量線の製作には、Agilent systemの標準ポリスチレンを使用して、測定結果を換算した。
測定器:Agilent GPC(Agilent 1200 series、米国)
カラム:PL Mixed B 2個連結
カラム温度:40℃
溶離液:テトラヒドロフラン
流速:1.0mL/min
濃度:〜2mg/mL(100μL injection)
[製造例1.アクリル重合物(A)の製造]
内部に窒素ガスが還流され、温度調節が容易になるように冷却装置を設置した1L反応器にn−ブチルアクリレート(n−BA)58重量部、メチルアクリレート(MA)40重量部及びヒドロキシエチルアクリレート(HEA)2重量部を投入した。次いで、エチルアセテート(EAc)150重量部を溶剤として投入し、酸素除去のために窒素ガスを60分間パージ(purging)し、温度を60℃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重量部を投入して反応を開始させた。チオール化合物としては、n−ドデカンチオール0.01重量部を反応開始後4時間後に投入した。1時間追加反応をさせた後、反応物をエチルアセテート(EAc)で希釈し、固形分が30重量%であり、重量平均分子量が70万であり、多分散指数(Mw/Mn)が5.2であるアクリル重合物(A)を製造した。
チオール化合物としてn−ドデカンチオール0.02重量部を投入したことを除いて、製造例1に準ずる方式で固形分が30重量%であり、重量平均分子量が71万であり、多分散指数が5.8であるアクリル重合物(B)を製造した。
チオール化合物としてn−ドデカンチオール0.04重量部を投入したことを除いて、製造例1に準ずる方式で固形分が30重量%であり、重量平均分子量が75万であり、多分散指数が5.7であるアクリル重合物(C)を製造した。
チオール化合物としてn−ドデカンチオール0.1重量部を投入したことを除いて、製造例1に準ずる方式で固形分が30重量%であり、重量平均分子量が73万であり、多分散指数が6.9であるアクリル重合物(D)を製造した。
チオール化合物としてn−ドデカンチオール0.04重量部を反応開始後2時間後に投入したことを除いて、製造例1に準ずる方式で固形分が30重量%であり、重量平均分子量が63万であり、多分散指数が5.5であるアクリル重合物(E)を製造した。
チオール化合物としてnオクチルメルカプタンを使用したことを除いて、製造例1に準ずる方式で固形分が30重量%であり、重量平均分子量が69万であり、多分散指数が5.1であるアクリル重合物(F)を製造した。
チオール化合物としてnノニルメルカプタンを使用したことを除いて、製造例1に準ずる方式で固形分が30重量%であり、重量平均分子量が71万であり、多分散指数が5.3であるアクリル重合物(G)を製造した。
チオール化合物としてn−ドデカンチオール0.04重量部を単量体とともに投入して反応させたことを除いて、製造例1に準ずる方式で固形分が30重量%であり、重量平均分子量が70万であり、多分散指数が2。6であるアクリル重合物(H)を製造した。
チオール化合物を投入しないことを除いて、製造例1に準ずる方式で固形分が30重量%であり、重量平均分子量が73万であり、多分散指数が5.9であるアクリル重合物(I)を製造した。
[実施例1]
製造例1で得られたアクリル重合物を粘着樹脂として使用し、上記粘着樹脂100重量部(固形分)に対して、イソシアネート架橋剤(TDI、トルエンジイソシアネート)0.3重量部(固形分)を均一に混合し、粘着組成物を製造した。
製造例2のアクリル重合物(B)を使用したことを除いて、実施例1と同一の方式で両面粘着テープを製造した。
製造例3のアクリル重合物(C)を使用したことを除いて、実施例1と同一の方式で両面粘着テープを製造した。
製造例4のアクリル重合物(D)を使用したことを除いて、実施例1と同一の方式で両面粘着テープを製造した。
製造例5のアクリル重合物(E)を使用したことを除いて、実施例1と同一の方式で両面粘着テープを製造した。
製造例6のアクリル重合物(F)を使用したことを除いて、実施例1と同一の方式で両面粘着テープを製造した。
製造例7のアクリル重合物(G)を使用したことを除いて、実施例1と同一の方式で両面粘着テープを製造した。
製造例8のアクリル重合物(H)を使用したことを除いて、実施例1と同一の方式で両面粘着テープを製造した。
製造例9のアクリル重合物(I)を使用したことを除いて、実施例1と同一の方式で両面粘着テープを製造した。
11、21、31、32、41 粘着剤層
23、35 基板
22、33、34 導電体薄膜
12 基材
24、36、37 基材フィルム
4 両面粘着テープ
42、43 離型フィルム
10 PETフィルム
20 ITO薄膜
30 銀ペースト
40 粘着剤層
51 離型フィルム
60 抵抗測定器
Claims (17)
- 基材と;上記基材に付着している粘着剤層と;を含み、
上記粘着剤層は、アクリル重合体と;
アクリル単量体及びチオール化合物から誘導されるチオール重合体と;を含有するアクリル重合物を含み、
上記粘着剤層は、ポリカーボネートシートに対する剥離力が1,900g/25mm以上であるタッチパネル。 - 基材の少なくとも一面には、導電体薄膜がさらに形成されており、粘着剤層が上記導電体薄膜に直接付着している、請求項1に記載のタッチパネル。
- アクリル重合物は、重量平均分子量が20万〜250万である、請求項1または2に記載のタッチパネル。
- アクリル重合物は、多分散指数が4.0以上である、請求項1から3の何れか1項に記載のタッチパネル。
- アクリル重合体は、(メタ)アクリル酸エステル系単量体を重合された形態で含む、請求項1から4の何れか1項に記載のタッチパネル。
- 粘着剤層は、アクリル重合物を架橋させる多官能性架橋剤をさらに含む、請求項1から5の何れか1項に記載のタッチパネル。
- 粘着剤層は、ITO電極の抵抗変化率が10%以下である、請求項1から6の何れか1項に記載のタッチパネル。
- R1は、炭素数3〜20の直鎖または分岐鎖状のアルキル基である、請求項8に記載のタッチパネル。
- アクリル重合体と;
アクリル単量体及びチオール化合物から誘導されるチオール重合体と;を含有するアクリル重合物を含み、粘着剤層として形成されたとき、ポリカーボネートシートに対する剥離力が1,900g/25mm以上である粘着剤組成物。 - 粘着剤層は、ITO電極の抵抗変化率が10%以下である、請求項10に記載の粘着剤組成物。
- 基材と;上記基材に付着している粘着剤層と;を含むタッチパネルの上記粘着剤層に適用される、請求項10または11に記載の粘着剤組成物。
- 請求項10から12の何れか1項に記載の粘着剤組成物の硬化物である粘着剤層を有する両面粘着テープ。
- (1)アクリル単量体を含む単量体混合物に開始剤を投入し、上記単量体混合物の重合を開始する段階と;
(2)重合反応開始後、重合反応終了の前にチオール化合物を添加する段階と;
を含む粘着剤組成物の製造方法。 - チオール化合物を単量体混合物の重合反応開始後1分後から、上記重合反応の終了15分前までの間に投入する、請求項14に記載の粘着剤組成物の製造方法。
- チオール化合物を単量体混合物の転換率が5%になる時点から最終転換率の95%になる時点の間に投入する、請求項14または15に記載の粘着剤組成物の製造方法。
- 単量体混合物100重量部に対してチオール化合物0.001重量部〜5重量部を添加する、請求項14から16の何れか1項に記載の粘着剤組成物の製造方法。
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KR101591559B1 (ko) | 2016-02-04 |
TW201323562A (zh) | 2013-06-16 |
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US20140134434A1 (en) | 2014-05-15 |
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TWI476265B (zh) | 2015-03-11 |
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