TW200813184A - Adhesive sheet - Google Patents
Adhesive sheet Download PDFInfo
- Publication number
- TW200813184A TW200813184A TW096124646A TW96124646A TW200813184A TW 200813184 A TW200813184 A TW 200813184A TW 096124646 A TW096124646 A TW 096124646A TW 96124646 A TW96124646 A TW 96124646A TW 200813184 A TW200813184 A TW 200813184A
- Authority
- TW
- Taiwan
- Prior art keywords
- adhesive
- adhesion
- plasticizer
- sheet
- film
- Prior art date
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 119
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 118
- 239000004014 plasticizer Substances 0.000 claims abstract description 42
- 239000012790 adhesive layer Substances 0.000 claims abstract description 34
- 229920001577 copolymer Polymers 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims abstract description 15
- 230000009477 glass transition Effects 0.000 claims abstract description 4
- -1 citric acid ester Chemical class 0.000 claims description 28
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Natural products OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 26
- 239000013589 supplement Substances 0.000 claims description 17
- 239000000052 vinegar Substances 0.000 claims description 17
- 235000021419 vinegar Nutrition 0.000 claims description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 7
- 239000000084 colloidal system Substances 0.000 claims description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 7
- WWXUGNUFCNYMFK-UHFFFAOYSA-N Acetyl citrate Chemical group CC(=O)OC(=O)CC(O)(C(O)=O)CC(O)=O WWXUGNUFCNYMFK-UHFFFAOYSA-N 0.000 claims description 3
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims 2
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 claims 1
- 239000004971 Cross linker Substances 0.000 claims 1
- 150000005690 diesters Chemical class 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 abstract description 5
- 230000000052 comparative effect Effects 0.000 description 23
- 239000000178 monomer Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- 229920000139 polyethylene terephthalate Polymers 0.000 description 9
- 239000005020 polyethylene terephthalate Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 229920006267 polyester film Polymers 0.000 description 8
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000002313 adhesive film Substances 0.000 description 6
- 239000000123 paper Substances 0.000 description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N alpha-methacrylic acid Natural products CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 5
- 238000011109 contamination Methods 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 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
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 2
- ADJZOZNWLANXBQ-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;triethyl 2-hydroxypropane-1,2,3-tricarboxylate Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O.CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC ADJZOZNWLANXBQ-UHFFFAOYSA-N 0.000 description 2
- 229920002160 Celluloid Polymers 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 206010036790 Productive cough Diseases 0.000 description 2
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical group CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 235000003642 hunger Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 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
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 210000003802 sputum Anatomy 0.000 description 2
- 208000024794 sputum Diseases 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- REVZBRXEBPWDRA-XMMPIXPASA-L (2R)-2-hydroxy-2-(2-octadecoxy-2-oxoethyl)butanedioate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C[C@](O)(CC([O-])=O)C([O-])=O REVZBRXEBPWDRA-XMMPIXPASA-L 0.000 description 1
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 1
- KTIBRDNFZLYLNA-UHFFFAOYSA-N 2-(2-hydroxyethenoxy)ethenol Chemical compound OC=COC=CO KTIBRDNFZLYLNA-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
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- LPWLBMUEYCGYCH-UHFFFAOYSA-N 2-ethylhexanoic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.CCCCC(CC)C(O)=O LPWLBMUEYCGYCH-UHFFFAOYSA-N 0.000 description 1
- NFOQRIXSEYVCJP-UHFFFAOYSA-N 2-propoxycarbonylbenzoic acid Chemical compound CCCOC(=O)C1=CC=CC=C1C(O)=O NFOQRIXSEYVCJP-UHFFFAOYSA-N 0.000 description 1
- CYWMCIMLXUXIDK-UHFFFAOYSA-N 2-sulfanylprop-2-enenitrile Chemical compound SC(=C)C#N CYWMCIMLXUXIDK-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
- FWIQGIQRNBVZEN-UHFFFAOYSA-N 4-ethoxy-2-(2-ethoxy-2-oxoethyl)-2-hydroxy-4-oxobutanoic acid Chemical compound CCOC(=O)CC(O)(C(O)=O)CC(=O)OCC FWIQGIQRNBVZEN-UHFFFAOYSA-N 0.000 description 1
- NDWUBGAGUCISDV-UHFFFAOYSA-N 4-hydroxybutyl prop-2-enoate Chemical compound OCCCCOC(=O)C=C NDWUBGAGUCISDV-UHFFFAOYSA-N 0.000 description 1
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- WOJCIGYQVCLEDH-UHFFFAOYSA-N C(CC(O)(C(=O)OCCCC)CC(=O)OCCCC)(=O)OCCCC.C(CC(O)(C(=O)O)CC(=O)O)(=O)OC(C)=O Chemical compound C(CC(O)(C(=O)OCCCC)CC(=O)OCCCC)(=O)OCCCC.C(CC(O)(C(=O)O)CC(=O)O)(=O)OC(C)=O WOJCIGYQVCLEDH-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 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
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical group CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 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
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229920006228 ethylene acrylate copolymer Polymers 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 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
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 125000003396 thiol group Chemical class [H]S* 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/386—Improvement of the adhesion between the insulating substrate and the metal by the use of an organic polymeric bonding layer, e.g. adhesive
-
- 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
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Description
200813184 九、發明說明: 【發明所屬之技術領域】 - 本發明係關於黏著薄片。本發明之黏著薄片由於有適度 •的黏著性能及優異之再剝離性,故可較佳地使用於例如: 於軟式印刷電路基板(FPC)之加工步驟中作為f 片,或光學用途之反射薄膜及擴散薄膜之剝離步驟中之製 程用薄片。 t 【先前技術】 ♦軟式印刷電路基板(FPC),隨著近年來之薄型化及小型 化,該等所使用之覆銅積層板(CCL)與聚醯亞胺薄膜等薄 膜之薄膜化亦日益進展著。因而,此等薄膜本身之剛性降 低,導致軟式印刷電路基板製造時之加工變得困難。因 .此’廣為使用之方法為,將此等卿用薄膜藉由在加工前 .預先黏合於製程用薄片上以確保整體之剛性,使加工時之 操作簡便化’並於加工完成後將製程用薄片剝離除去。 •又’同樣的作法,亦使用於用聚醋薄膜等薄膜之光學用 構件。 上述製程用薄片’須要求為可確保於加工步驟時之黏著 性,以及於加工步驟後容易剝離之微黏著性-再剝離性 片’此種黏著薄片曾被提出(例如專利文獻1及2)。Λ if而^如,於上述專利文獻1中記载之軟式印刷電路 基板f判補㈣巾,錢用在黏著髮中含有大量可塑 劑之氯乙烯樹脂,此大量含有之可塑劑會導致 著物污染等之缺點。又4上述專利文獻2中記 312XP/#S^0J#(^)/96-1〇/96124646 5 200813184 二著劑係使用含有笨二甲酸I系可塑劑之丙稀酸 =树=者劑,苯二甲酸酷系可塑劑會造成被黏著 尋,為其缺點。 丨,文獻U日本專利特開平U_112125號公報 [專利文獻2 ]日本專利特開平5_247416號公報 【發明内容】 (發明所欲解決之問題) 2述般,於以往所提出之”薄片中,黏著劑中之添 力口=移行至被黏著物表面而污染被黏著物。再者,於以 ㈣薄片中’由於黏著力過強,會發生連底拔 s ::plng’一邊拉起-邊剝離)之情形。一旦發生連底 會導致被黏著物之破壞與變形。另一方面: 發^作A=過低’由於無法充分黏住被黏著物,以致I法 i揮作為‘程用黏著薄片(製程用薄片)所要求之性能。再 著力,於黏附後經過長時門黏:力即使為適當的黏 m - ^ $間之f月況,曾因經時安定性、或 則無法得到所要之❹如此黏者力若有變化, 物,哎剝艟德义々 ,g有導致剝離時破壞被黏著 形。後务生黏著劑殘留於被黏著物表面之殘膠之情 因而,本發明之課題在於提 其為··對被黏荖物古f <狩注之黏者劑, …二 度的黏著性能,且黏附後即使㈣ 長期間(例如數個月),斑芏+ ^ 夂I從、、工過 受加熱處理,黏著力之二: = 而且,即使承 曰加亦不大,不雷發生連底拔起情 ^2XP/mmm(mm/96^10/96124646 6 200813184 开)二可容易地再剝離’且於剝離後之被黏著物污染少之麥 者薄片。 * 、 (解決問題之手段) • 上述之課題,可藉由本發明之黏著薄片而得 ,含有基材與至少形成於其-側表面之黏著劑層者 j在於:上述黏著劑層之黏著劑含有丙烯酸酯共聚物盥: 可n ^述㈣酸s|共聚物之玻璃轉移溫“ 上述#檬酸酯系可塑劑之調配量, S稀酸醋共聚物⑽質量份(固形分)為1.0〜50 〇 I旦 分)之量,上述黏著劑層之黏著劑之膠體 為之較佳形態’檸檬酸㈣可塑劑 :===另-較佳形態,劑層之黏 依據本發明之黏著薄片之一 笨m薄膜!週後之黏===黏9附於聚對 之黏著力相比之上昇率為5二;。力與黏貼24小時後 依據本發明之黏著薄片之另一 附於聚對苯m 24 ,拉二U黏者薄片勒 膜面之桩心 呤後’將其剝離後之該薄 膜面之接觸角,與於黏著劑中未 化率之絕對值為應以下。 者比車乂,其變 (發明效果) 本發明之黏著薄片,對被黏著物有適度的黏著性能,且 312XP/發明說明書(補件)/96-10/96124646 7 200813184 黏附後即使經過長期m例如數個月),㈣力之經時變化 亦少’而且,即使承受加熱處理,黏著力之增加亦少,不 *會發生連底拔起情形而可容易地再剝離。因而,本發明之 •黏㈣片可較佳地使用作為不會發生被黏著物之^壞與 污染等’並可再剝離之製程用薄片。 【實施方式】 、本發^之黏著薄片含有基材與於其表面之至少一側形 成之黏著劑層。上述基材可使用例如紙、天然或合成纖維 •材料(例如編織布或不織布)薄膜或薄片、或合成樹脂薄膜 或薄片。紙可舉出高碎解度之光澤紙(glassine p叩打) 或記錄紙(tracing paper)等。合成樹脂可舉出聚乙烯、 聚丙烯等之聚烯烴;聚對苯二甲酸乙二酯、聚對苯二甲酸 ‘ I一酯等之聚酯;聚氯乙烯、聚苯乙烯、聚醋酸乙烯酯、 -聚丁烯、聚丙烯酸' 聚甲基丙烯酸、聚丙烯酸酯、聚甲基 丙烯酸酯、聚乙烯醇、聚乙烯醇縮甲醛、聚乙烯醇縮丁醛、 _聚丙烯腈、聚碳酸酯、聚酿胺、乙婦一醋酸乙稀醋共聚物、 乙烯-丙烯酸酯共聚物、聚乙烯縮醛、乙基纖維素、三醋 酸纖維素、缝丙基纖維素等各種樹脂。又,此等紙、薄 膜、或薄片,可單獨使用或以此等之積層物使用。 —本發明之黏著薄片,例如於利用作為精密零件之製程用 -薄片之情況,以使用尺寸安定性佳之聚酯薄膜作為基材為 h佳。又,基材之厚度通常可用1〇〜2〇〇//m者。 形成本發明黏著薄片的黏著劑層之黏著劑含有丙烯酸 S曰/、伞物與;^檬酸酯系可塑劑。丙烯酸醋共聚物使用玻璃 312XP/發明說明書(補件)/96-10/96124646 8 200813184 轉移溫度(Tg)為-45°C以下者,以-50°C以下為佳,尤以 - 50〜-70°C更佳。玻璃轉移溫度(Tg)若高於_45〇c,於自被 . 黏著物以高速剝離時易發生連底拔起情形。 上述丙烯酸酯共聚物之調製,可藉由使2種以上之具有 碳數1〜14的烷基之(甲基)丙烯酸烷基酯進行共聚合,或 使1種或2種以上的具有碳數1〜14的烧基之(甲基)丙稀 酸烷基酯與1種或2種以上之其他單體進行共聚合而調 製。 ^ • 具有石反數卜14的烷基之丙浠酸酯單體,可舉出例如(甲 基)丙烯酸甲醋、(甲基)丙稀酸乙g旨、(甲基)丙婦酸正丙 酯、(甲基)丙烯酸異丙酯、(甲基)丙烯酸正丁酯、(甲基) 丙烯酸異丁醋、(甲基)丙烯酸戊酉旨、(甲基)丙稀酸環己 .酯、(曱基)丙烯酸2-乙基己酯、(甲基)丙烯酸正辛酯、(甲 -基)丙烯酸異辛酯、或(甲基)丙烯酸月桂酯等,此等可單 獨使用,或組合2種以上使用。 上述丙烯酸酯共聚物,亦可為與具有官能基之單體之共 聚物。可與丙烯酸酯單體共聚合之具有官能基之單體,^ 舉出例如具有絲之(甲基)丙烯酸、順式丁稀二酸、衣康 酸或丁烯酸,或具有羥基之(甲基)丙烯酸2_羥乙酯、(甲 基)丙烯酸2-羥丙酯或2-羥基乙烯醚,或具有胺基之(甲 基)丙婦酸N,N-二甲基胺基乙基酯或(甲基)丙烯^ n_第 三丁基胺基乙基i旨,以及具有環氧基之(甲基)丙稀酸環氧 丙基i旨等。 上述丙烯酸S旨共聚物,亦可為與其他單體之共聚物。可 312XP/發明說明書(補件)/96-10/96124646 9 200813184 舉=例如醋酸乙烯醋、丙酸乙稀醋等之乙稀醋類;乙稀、 丙烯異丁烯等之烯經類;氯乙烯、偏氯乙烯等之函化稀 ,烴類;苯乙烯、甲基苯乙烯等之苯乙稀單體;丁二婦、 .異戊二烯、氯丁二烯等之二烯系單體、丙烯腈、曱基丙烯 腈等之腈系單體等。此等可單獨使用或組合2種以上使 用。 形成本發明黏著薄片的黏著劑層之黏著劑係含有檸檬 酸醋系可塑劑。檸檬酸醋系可塑劑可舉出檸檬酸三乙醋、 籲檸檬酸乙酿基三乙醋、擰檬酸三丁醋、捧樣酸乙酿基三丁 酉曰(ATBC)、或拎檬酸乙醯基三辛酯。檸檬酸乙醯基三丁酯 及檸檬酸乙醯基三辛醋’與分子量較該等低之檸檬酸三乙 酉曰、彳于杈酸乙醯基三乙酯、或檸檬酸三丁酯等比較,以對 被黏著物之污染更為少方面而言,係較佳。又,棒樣酸乙 .Sm基一丁 |曰#檬酸二乙酯、擰檬酸乙醯基三乙酯、或檸 檬酸三丁醋,與較該等分子量高之捧樣酸乙酿基三辛醋等 比較,以與黏著劑之相溶性優異方面而言,係較佳。又, 以此等對被黏著物之污染性及與黏著劑之相溶性方面而 言,則以檸檬酸乙醯基三丁酯為更佳。 於本發明中所狀上述黏著财,上述擰檬酸系可塑 d之调配里’相對於上述丙烯酸g旨共聚物⑽質量份(固 •,分)為1.0〜50.0質量份(固形分)之量,以2 〇〜4〇 〇質 ,f份(固形分)為佳。上述擰檬酸醋系可塑劑之調配量若未 滿1.0質量份,則易發生連底拔起情形,若超過5〇 〇質 量份’則對被黏著物之污染及與基材之密著性會變差。、 312XP/發明說明書(補件)/96-1〇/96124646 10 200813184 4:=者溥片之黏著劑層中含有的可塑劑污染被 程度’可藉由被黏著物表面接觸角之變化進行評 發明之黏著薄片作為製程用薄片,於加 物被黏著物剝離後,可__留於被黏著 庚則破黏著物表面之接觸角會改變,故藉由測定此變化 耘度可評估污染之程度。又’可塑 刷電路基板(FPC:)之覆銅料詩⑯/ #式印 ⑽㈣板(叫、聚酿亞胺薄膜、光 :用,件之《薄膜之接著不良、或對電子零件之導電 性,會有造成造成不良影響等之可能性。 物係用以聚對苯二甲酸乙二酿薄膜作為被黏著 =情況的接觸角變化率作為指標。具體而言,係將 ,者缚片試樣黏附於料苯巧酸乙二㈣膜,對於經過 24小時後剝離後之上述薄膜表面之接觸角,由黏著劑含 有可塑劑的情況之接觸角(含有可塑劑之接觸角)、盘黏著 劑不含可塑劑的情況之接觸角(不含可塑劑之接觸角),藉 由下式(1)算出: 9 A=[(B-C)/C] X 1〇〇 ⑴ (式中,A為接觸角變化率,B為含有可塑劑之接觸角,c 為不含可塑劑之接觸角) 本發明之黏著薄片中,可將上述接觸角變化率⑴之絕 對值抑制於1〇%以下,以抑制於7%以下為佳。以抑制於 5%以下為更佳。若使用上述接觸角變化率(A)之絕對值超 過10%之黏著劑,則於使用被黏著物作為電子元件之情 況,於其後之接著加工中會發生接著不良,使電子元件之 312XP/發明說明書(補件)/96-10/96124646 11 200813184 導電性受到不良影響。 本發明中所用之上述黏著劑層之黏著劑,以添加交聯劑 ^而經交聯者為佳。交聯劑可使用異氰酸酯系、環氧系、或 金屬螯合物系等各種交聯劑。其中較佳者為使用可與玻璃 轉移溫度(Tg)低的具官能基之單體之丙烯酸2_羥乙酯 (Tg : -15。〇或丙烯酸4-羥丁酯(Tg : _8〇QC)及庫之丄β 甲基二異氰酸酯、伸甲苯基二異氰酸酯、或伸二;:苯4 氰酸酯。 鲁本發明之黏著薄片中所用之上述黏著劑層之厚度並無 特別限定’通常為3〜3G/zra,以5〜2G//D1為佳。上述黏著 劑層,可用例如刀塗佈機、輥刀塗佈機、逆向輕塗佈機、 模頭塗佈機、凹板(gravure)塗佈機、或棒塗佈機等公知 -的方法,將上述黏著劑直接塗佈於基材後使其乾燥而形成 ‘黏著劑層。或於剝離薄片之剝離劑層面以上述般的方法進 行塗佈,然後進行乾燥,於上述剝離薄片表面形成黏著劑 _層後將黏著劑層轉印於上述基材上。 ί本發明中,係以Μ聚料二甲酸乙二㈣膜作為被 黏者物之情況的黏著力上昇率作為指標。 本土明中所用之上述黏著薄片之黏著力係依據川ζ 、^\之黏著力測定法’以聚對苯二曱酸乙二醋薄膜作為 •被黏者物’並以180。之角度及剝離速度30W分鐘之條 -件進行測定之情況,以1〇〜2〇〇roN/25mm為佳,以15〜1〇〇· 2—5mm為更佳。上述黏著力若未滿1〇祕/25賴,會發生黏著 薄片子起之情形,若超過2〇議/25咖,在實際使用於軟 312XP/發明說明書(補件)/96_1〇/96124646 200813184 式印刷電路基板(FPC)或光學用構件時,於剝離時會造成 被黏著物之薄膜之破壞。 —本發明中所用之上述黏著劑之黏著力有優異的經時安 .定性。本發明中,黏著力之經時安定性係將載持黏著劑試 樣之黏著薄片試樣,於”它及5〇%RH之條件下,以質量 2kg之橡膠輥來回碾軋!次,使其黏貼於聚對苯二甲酸乙 一酯薄膜上,於同條件下放置24小時或丨週後,依據 Z 0237之黏著力測定法,將黏著薄片試樣以18〇。之角度 籲及剝離速度300mm/分鐘之條件剝離而測定黏著力,以$ 述算式(2)計算上昇率(%) ·· D={(E-F)/F} X 1〇〇 ⑵ [式中,D為上昇率(%),E為黏貼j週後之黏著力,f則 • 為黏貼24小時後之黏著力]。 、 於本發明之黏著薄片中,可使上述上昇率(%)抑制於5〇% 以下,以抑制於30%以下為佳。若用上述上昇率(%)超過 50%之黏著劑,於剝離時會造成被黏著物之破壞。 再者,本發明中所用之上述黏著劑,即使承受加熱處理 (例如60〜180°C之加熱處理),黏著力上昇亦不大。由於 經加熱處理之黏著力上昇不大,故不限定於作為製程用 片之用途。 - 本發明中所用之上述黏著劑之膠體分率為7〇%以上,以 ’ 80%以上為佳,此膠體分率之經時安定性亦優異。膠體分 率若未滿70%,於黏附至被黏著物後,會有黏著力上3 之情形。 ’汁 312XP/發明說明書(補件)/96-10/96124646 13 200813184 #上述黏著縣之黏著劑,依需要亦可含有 著劑中通常所含有之添加劑,例如,黏早 ^ ^ ^ 劑、紫外線吸收劑、著色劑、或抗靜電劑等/,、抗乳化 =¾明之黏者薄片’其黏著劑層可藉由剝離材而保護。 用材可直接使用以往公知的黏著薄片、或黏著 如以簡、醇酸系、或氣系等剝離劑塗 林紙)、光澤紙、塗覆紙、聚貼聚乙卸之道 齡者。 承酉曰潯艇、或聚丙烯薄膜所成 (實施例) 以=由實_及比較例就本發明具體地加以說明, 隹本务明之範圍並非限定於此等。 (實施例1) 於由丙烯酸2-乙基己酯92 8暂旦〇/ 7·〇質量%、與丙稀酸〇 2 f量%所二丙烯酸2—經乙醋 △貝里/〇所共聚合而調製之丙嫌酿 酯共聚物1 〇〇質量份(固形分)中 I ⑴①幻〒舰作為交聯劑之含有 二甲卜、亂酸醋之脂肪族系異氰酸_ [曰本 形分)與作為可塑劑之檸檬酸乙酿基三丁醋(霞)[田(g =:!1股巧]2.5質量份(固形分),充分地攪拌,製 =之=_°將此塗佈液以使乾燥後之厚度成為 用親刀塗佈機塗佈於厚度75叫透明聚 對本一曱&乙二醋薄膜[三菱化學聚醋薄膜制, PET75T- 100G]的一面上,於 9〇。。推 a 、 衣 於yuc進行1分鐘加熱乾燥。 312XP/發明說明書(補件)/9640/96124646 14 200813184 在如此形成之黏著劑上 JK 0, Λ ^ . — 進一步貼合设置有聚矽氧系剝離 "日4離薄膜[三菱化學聚酯薄膜(股)製,MRf#25] 之剝離層面侧,作成黏著薄片。 (實施例2) 匕除了將貫施例!中之作為可塑劑之擰檬酸乙醯基三丁 -曰的,用里改為37· 5g質量份(固形分)之外,重複實施例 1之操作,藉此製得黏著薄片。 (實施例3) 在貝施例1中,除了將丙烯酸酯共聚物改用由丙烯酸 ,酉旨68·6質量%、丙烯酸甲酯30.0質量%、甲基丙 烯=裒氧丙基酯〇· 2質量%、及丙烯酸1· 2質量%共聚合所 周衣之丙烯馱酯共聚物,將作為可塑劑之檸檬酸乙醯基三 丁酉曰的使用里改為12· 5質量份(固形分)之外,重複實施 例1之操作,藉此製得黏著薄片。 (比較例1) 一在貝施例1中,除了未使用作為可塑劑之檸檬酸乙醯基 三丁酯之外,重複實施例1之操作,藉此製得比較用黏著 薄片。 (比較例2) 在貫施例1中,除了將作為可塑劑之檸檬酸乙醯基三丁 酯之使用量改為60·0質量份(固形分)之外,重複實施例 1之#作’藉此製得比較用黏著薄片。 (比較例3) 在實施例1中,除了將作為交聯劑之含有六亞曱基二異 312ΧΡ/發明說明書(補件)/9卜1〇/96124646 15 200813184 氰酸醋之脂肪族系異氰酸醋[日本p。iyure让咖工 製:科樂内特HX]之使用量改為&㈠量份(固形分):) 外,重複實施例1之操作,藉此製得比較用黏著薄片。 (比較例4) 在實施例1中’除了將可塑劑檸檬酸乙醯基三丁酿2.5 貝1份(固形分)改用苯二甲酸二辛酯(D〇p)[田岡化學(俨 製]12· 5質量份之外,重複實施例丨之操作,藉此= 較用黏著薄片。
(比較例5) 於實施例1中,除了改為使用由丙稀酸2_乙基己醋8 ,量%、醋酸乙烯酉旨30.0質量%、丙稀酸2一經乙醋7 〇質 I%、及丙烯酸0.2質量%所共聚合而調製之丙稀酸酯共聚 物作為丙烯酸_共聚物,將作為可塑劑之檸檬酸乙酿基^ 丁酿之使用量改為12.5質量份(固形分)之外,重複實施 例1之操作,藉此製得比較用黏著薄片。 [物性評估] (1)黏著力測定 將自實施例及比較例中得到之黏著薄片(裁切成25咖X 250mm尺寸)除去剝離薄膜所得之黏著薄片的黏著劑層 面,於23°C及50%RH之條件下,以質量2kg之橡膠親來 回碾軋1次,使其黏貼至藉由雙面膠帶固定於不銹鋼板上 之厚度75/zm的透明聚對苯二曱酸乙二酯薄膜[三菱化學 聚酉旨薄膜(股)製’ PET75T_1〇〇g]上。黏貝占後,於同條件下 放置24小時或1職’依據JISZ〇237之黏著力測定法, 312XP/發明說明書(補件)/9640/96124646 16 200813184 將黏耆薄片以1 8 〇之角度及剝離速度3 〇 〇mm/分鐘之條件 剝離而測定黏著力。又,以下述算式(3)計算出上昇率(%): d=[(e-f)/f)] X 1〇〇 (3) [式中,d為上昇率(%),e為黏貼】週後之黏著力,f則 為黏貼24小時後之黏著力]。 此等結果示於表1及表2。 (2)膠體分率測定
以實施例及比較例中調製之塗佈用黏著劑液,分別以相 同塗佈量塗佈於剝離薄片[Lintec(股)製,sp-pET ^剝離劑層面,於約9(TC下乾燥約丨分鐘,得到乾燥黏 著劑層。再以另一剝離薄片[三菱化學聚酯薄膜(股)製^ MRF#25]之剝離劑層面黏貼至黏著劑層上。於4〇艺下放置 1〇曰進行放置處理(sea_ingMi,自此乾燥黏著劑層取 ,乾燥黏著劑試樣❸〇.2g,正確地秤量其質量㈠刀期質 量)。然後,將上述乾燥黏著劑試樣以特多龍網;、
NBC(股)製;UXSCREEN150-035/380TW]包住,藉由以酷酸 乙酯作為溶劑之索格利特(3奴11161:)萃取進行U小 流’萃取出黏著劑試樣之非膠體成分’敎膠體成分之 直’猎由與初期質量之比測定膠體分率。結果示於表i及 表2 〇 (3)剝離力測定 將實施例及比較例中得到之黏著 *有/專片之基材侧蘚由雔 面黏著膠帶固定於不銹鋼板上。將 又 ^ 了年度75 // m之透明聚掛 本二甲酸乙二酯薄膜[三菱化風# 化予艰酯溥膜(股)製, 312ΧΡ/發明說明書(補件)/96-10/96124646 17 200813184 ΡΕΤ7^Τ-1_裁切成5Gmra χ⑽咖尺寸,作為剝離試驗 片。將上述剝離試驗薄膜片,於23艺及5〇%跗之條件下, .以質量2kg之橡膠輕來回礙軋!次,使莫黏貼至黏著薄片 ‘除去剝離薄片而露出之黏著劑層面上。於黏貼後,於同條 件下放置24小時後,依據JIS z卿之黏著力測定法 將剝離試驗薄膜片以180。之角度及剝離速度刚關/分鐘 之條件剝離而測定黏著力。又,有關剝離時之連底拔 形係猎由剝離音作確認。表i及表2之「剝離力」搁中, Z表示有連底拔起情形。 (4)接觸角測定 =述實施例!中得到之黏著薄片之黏著劑層(含有可 W ’於23C及5_H之條件下,以f量啦之橡膠輕 $回碾軋i次,黏貼於聚對苯二甲酸乙二醋薄膜[三菱化 +聚醋溥膜⑷製,PET75T 一刚G](被黏著物薄膜)上,於 23(:及50%RH之條件下放置24小時後,將上述黏著劑層 自上述被黏著物薄膜剝離。以離子交換水滴下至此被黏^ =膜表面,藉由接觸角計[協和界面化學(股)製]測定接 觸角(以下,稱為含有可塑劑接觸角)。 同樣地’將上述比較例!中得到之黏著薄片之黏著劑声 (不含有可塑劑),於23ΐ及5咖之條件下,以質量2ς ,橡膠輕來回礙軋!次,黏貼於聚對苯二甲酸乙二醋薄膜 曼化學聚酯薄膜(股)製’ _5Τ-1 _](被黏著物薄膜) 23C及5咖之條件下放置24小時後,將上述黏 者劑層自上述被黏著物薄膜剝離。以離子交換水滴下至此 312ΧΡ/發明說明書(補件)/96·1〇/96124646 18 200813184 被黏著物薄膜表面’藉由接觸角計[協和界面化 測定接觸角(以下,稱為不含可塑劑接觸角)。+)衣] 然後,以下式(4)算出接觸角變化率·· a=[(b-c)/c] X 1〇〇 (4) (式中’ a為接觸角變化率,b為含有可_ 為不含可塑劑之接觸角)。 薄广2述實施例2〜3及比較例2〜5中得到之黏著 :片之黏者劑層(含有可塑劑),亦藉由同樣的操作測定含 有可塑劑接觸角。又’關於此等黏著薄片(含有可塑劑), 亦用相同方法分別製作只有於黏著劑層中不含可塑 不同點之黏著薄片,關於黏著薄片之黏著劑層(不含可塑 劑)’错由相同之操作測定被黏著物薄膜表面之不含可塑 劑接觸角。由上述含有可塑劑接觸角與不含可塑劑接觸 角’同樣地計算出接觸角變化率。 (5)密著性測定 自+實施例及比較例中得到之黏著薄片除去剝離薄膜,於 黏著薄片之黏著劑層面,自黏著劑層側往基材之方向,利 用切割刀’以深入達到基材的程度切割成棋盤格狀之imm 間的11條縱線及11條橫線互相垂直之線。於是於1 〇咖 X l〇mm之正方形區域(以下稱為切割區域)内形成lmm χ 1mm之小正方形loo個。在如此形成之切割區域上黏貼赛 璐玢膠帶[Nichiban(股)製;CT-12S],快速剝離後,以目 視觀察切割區域之狀態,以下述基準進行密著性評估。 Ο·看不到黏著劑轉移至赛路紛膠帶,垂直相交之切割 312XP/發明說明書(補件)/96-10/96124646 19 200813184 線之周圍亦未觀察到異常之情形。 △:雖看不到黏著劑轉移至賽璐玢膠帶,但垂直相交之 切割線之周圍可觀察到黏著劑層剝離之情形。 X :可觀察到黏著劑轉移至赛璐玢膠帶。
312XP/發明說明書(補件)/96-10/96124646 20 200813184 [表1 ] 實施例1 實施例2 實施例3 丙烯酸酯共聚物 之 Tg(〇C) -66. 7 -66, 7 -50. 0 黏貼24小時後之 黏著力(inN/25mm) 61 20 84 黏貼1週後之黏著力 (mN/25mm) 73 25 88 上昇率(%) 19. 7 25. 0 4. 8 剝離力(mN/25_) 1118 880 2475 膠體分率(%) 97. 0 86. 5 81. 4 未添加可塑劑時之 接觸角(°) 62. 9 62. 9 60. 5 接觸角(°) 61. 5 60. 8 58. 4 接觸角變化率(%) -2. 2 -3. 3 -3. 5 密著性 〇 〇 〇 [表2] 比較例1 比較例2 比較例3 比較例4 比較例5 丙烯酸酯共聚物 之 Tg(°C) -66. 7 -66. 7 -66. 7 -66. 7 -43. 3 黏貼24小時後之 黏著力(mN/25mm) 110 15 330 69 62 黏貼1週後之黏著力 (fflN/25mm) 130 20 545 70 64 上昇率(%) 18. 2 33. 3 65. 2 1.4 3. 2 剝離力(mN/25mm) 1760z 850 5320 1220 1400z 膠體分率(%) 97. 0 84. 2 67. 5 92. 5 81. 8 未添加可塑劑時之 接觸角(°) — 62. 9 62· 9 62. 9 66. 3 接觸角(°) 62. 9 56. 2 63. 0 70. 1 68. 4 接觸角變化率(%) 0 -10. 7 0.2 11.4 3. 2 密著性 〇 X 〇 〇 △ 312XP/發明說明書(補件)/96-10/96124646 21 200813184 由表1及表2可得知,實施例卜3之 之經時安定性、剝離性、及被逢占著 者4片於黏者力 (6)熱處理後㈣力敎 ' 優異。 將自實施例;1及比較例i中得到之黏著薄片(裁切成 =X 25〇mm尺寸)除去剝離薄膜所得之 =面饥及5_之條件下,以質量叫之^ ,來回礙軋!:欠,使其黏貼至藉由雙面膠帶固定於不錄鋼 扳上之厚纟75"的透明聚對苯二甲酸乙二酯薄膜[三菱 化學聚醋薄膜(股)製,PET75T_1〇〇G]上。黏貼後,於^ f及〇之條件下放置30分鐘,接著於饥及5〇%rh 核境^置1小時,依據爪Z G237之黏著力測定法, 將黏著薄片以18〇。之角度及剝離速度3〇〇mm/分鐘之條件 剝離而測定黏著力。 用實施例1之黏著薄片時之黏著力為120mN/25mm,熱 處理後之黏著力上昇小,相對於此,用比較例i之黏著薄 片柃之黏著力為28OmN/25mm,熱處理後之黏著力上昇大。 (產業上之可利用性) 本發明之黏著薄片可較佳地利用於製程用薄片之用 途’尤其是用於軟式印刷電路基板(FPC)、光學用構件之 薄膜之再剝離用製程用薄片。再者,亦可廣泛地用於通常 的微黏著性再剝離薄片。 以上係就本發明以特定之形態進行之說明,惟,業者當 可明白之變化與改良皆屬本發明之範圍。 312XP/發明說明書(補件 y96_1〇/96124646 22
Claims (1)
- 200813184 十、申請專利範圍: 1·-種黏,係含有基 之黏著劑屛去·廿a ^ m ^ ^ 侧表面 丙烯酸於’上述黏著劑層之黏著劑含有 物以::兵檸檬酸酯系可塑劑,上述丙烯酸酯共聚 物之玻璃轉移溫庚氣/、♦ 之調配量,相對广上述檸檬酸醋系可塑劑 八 、《上述丙烯I酯共聚物1〇〇質量份(固形 #γ 50·0貝1份(固形分)之量,上述黏著劑層之黏 者別之膠體分率為70%以上。 其中,檸檬酸酯 其中,黏著劑層 其中,黏附於聚 ’相較於黏附24 其中,黏附於聚 2·如申请專利範圍第1項之黏著薄片 系可塑劑為檸檬酸乙醯基三丁酯。 3·如申請專利範圍第1項之黏著薄片 之黏著劑係添加交聯劑經交聯者。 4·如申睛專利範圍第丨項之黏著薄片 對苯二甲酸乙二酯薄膜1週後之黏著力 小時後之黏著力,其上汆率為5〇%以下 5·如申請專利範圍第1項之黏著薄片 對苯二曱酸乙二酯薄膜24小時後,將其剝離後之該薄膜 面之接觸角,相較於在黏著劑中未含有可塑劑者,其變化 率之絕對值為10%以下。 312ΧΡ/發明說明書(補件)/96-10/96124646 23 200813184 七、指定代表圖·· (一) 本案指定代表圖為:無 (二) 本代表圖之元件符號簡單說明: 無 八、本案若有化學式時,請揭示最能顯示發明特徵的化學式: V 無 312XP/發明說明書(補件)/96-10/96124646 4
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| JP2006091254A (ja) * | 2004-09-22 | 2006-04-06 | Fuji Photo Film Co Ltd | 偏光板及びそれを用いた液晶表示装置 |
| JP4581061B2 (ja) | 2004-06-25 | 2010-11-17 | 綜研化学株式会社 | 光学フィルム保護シート用粘着剤組成物及び光学フィルム保護シート |
| JP4917267B2 (ja) * | 2004-09-16 | 2012-04-18 | 日東電工株式会社 | 粘着剤組成物、粘着シート類、および表面保護フィルム |
-
2007
- 2007-07-06 US US12/307,468 patent/US20090291300A1/en not_active Abandoned
- 2007-07-06 KR KR1020087031730A patent/KR101256202B1/ko active Active
- 2007-07-06 TW TW096124646A patent/TWI415919B/zh active
- 2007-07-06 EP EP07768273.0A patent/EP2039735A4/en not_active Ceased
- 2007-07-06 WO PCT/JP2007/063541 patent/WO2008004650A1/ja not_active Ceased
- 2007-07-06 CN CNA2007800257061A patent/CN101484545A/zh active Pending
- 2007-07-06 JP JP2008523744A patent/JP5124454B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2039735A4 (en) | 2014-06-11 |
| KR101256202B1 (ko) | 2013-04-19 |
| US20090291300A1 (en) | 2009-11-26 |
| JPWO2008004650A1 (ja) | 2009-12-03 |
| JP5124454B2 (ja) | 2013-01-23 |
| TWI415919B (zh) | 2013-11-21 |
| WO2008004650A1 (en) | 2008-01-10 |
| CN101484545A (zh) | 2009-07-15 |
| EP2039735A1 (en) | 2009-03-25 |
| KR20090033423A (ko) | 2009-04-03 |
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