JP6734010B2 - 感温性粘着シートおよび感温性粘着テープ - Google Patents
感温性粘着シートおよび感温性粘着テープ Download PDFInfo
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- JP6734010B2 JP6734010B2 JP2014055328A JP2014055328A JP6734010B2 JP 6734010 B2 JP6734010 B2 JP 6734010B2 JP 2014055328 A JP2014055328 A JP 2014055328A JP 2014055328 A JP2014055328 A JP 2014055328A JP 6734010 B2 JP6734010 B2 JP 6734010B2
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- temperature
- sensitive adhesive
- meth
- acrylate
- alkyl group
- Prior art date
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- 239000000853 adhesive Substances 0.000 title claims description 61
- 230000001070 adhesive effect Effects 0.000 title claims description 61
- 239000002390 adhesive tape Substances 0.000 title claims description 39
- -1 polysiloxane Polymers 0.000 claims description 61
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 47
- 150000001875 compounds Chemical class 0.000 claims description 45
- 125000000217 alkyl group Chemical group 0.000 claims description 39
- 239000000919 ceramic Substances 0.000 claims description 39
- 229920000642 polymer Polymers 0.000 claims description 38
- 229920001296 polysiloxane Polymers 0.000 claims description 32
- 125000004432 carbon atom Chemical group C* 0.000 claims description 30
- 238000002844 melting Methods 0.000 claims description 23
- 230000008018 melting Effects 0.000 claims description 23
- 239000000178 monomer Substances 0.000 claims description 22
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 19
- 229920001577 copolymer Polymers 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000003985 ceramic capacitor Substances 0.000 claims description 13
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 13
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 13
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 13
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 8
- 230000000379 polymerizing effect Effects 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 125000002947 alkylene group Chemical group 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 description 15
- 238000003786 synthesis reaction Methods 0.000 description 15
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 12
- 239000012790 adhesive layer Substances 0.000 description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- KHAYCTOSKLIHEP-UHFFFAOYSA-N docosyl prop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCCCCCOC(=O)C=C KHAYCTOSKLIHEP-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 125000002511 behenyl 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])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 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 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
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide 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
- 239000003522 acrylic cement Substances 0.000 description 1
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 125000001204 arachidyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 239000003431 cross linking reagent 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
- 239000013078 crystal Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 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
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- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid 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
- 230000007246 mechanism Effects 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 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
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 125000000913 palmityl 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])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000004079 stearyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 125000003396 thiol group Chemical group [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
- 230000007704 transition Effects 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
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- 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
- C09J143/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Adhesives based on derivatives of such polymers
- C09J143/04—Homopolymers or copolymers of monomers containing silicon
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1818—C13or longer chain (meth)acrylate, e.g. stearyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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- 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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- 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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/10—Block or graft copolymers containing polysiloxane sequences
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- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
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- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
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- H01—ELECTRIC ELEMENTS
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Description
(1)少なくとも炭素数16以上の直鎖状アルキル基を有する(メタ)アクリレートを重合させることによって得られる側鎖結晶性ポリマーを含有し、前記側鎖結晶性ポリマーの融点未満の温度で粘着力が低下する感温性粘着剤であって、前記側鎖結晶性ポリマーが、反応性ポリシロキサン化合物をさらに重合させることによって得られる共重合体からなり、前記少なくとも炭素数16以上の直鎖状アルキル基を有する(メタ)アクリレートおよび前記反応性ポリシロキサン化合物の比率が、重量比で、少なくとも炭素数16以上の直鎖状アルキル基を有する(メタ)アクリレート:反応性ポリシロキサン化合物=91:9〜99:1である、感温性粘着剤。
(2)前記反応性ポリシロキサン化合物が、下記一般式(I)で表される変性ポリジメチルシロキサン化合物である、前記(1)に記載の感温性粘着剤。
(3)セラミック部品製造用である、前記(1)または(2)に記載の感温性粘着剤。
(4)前記セラミック部品が、積層セラミックコンデンサである、前記(3)に記載の感温性粘着剤。
(5)前記(1)〜(4)のいずれかに記載の感温性粘着剤からなる、感温性粘着シート。
(6)前記(1)〜(4)のいずれかに記載の感温性粘着剤からなる粘着剤層を、フィルム状の基材の片面または両面に積層してなる、感温性粘着テープ。
(7)前記(6)に記載の感温性粘着テープをセラミックグリーンシート積層体に貼着する工程と、前記感温性粘着テープを介して前記セラミックグリーンシート積層体を台座上に固定する工程と、前記セラミックグリーンシート積層体を切断して複数の生チップを形成する工程と、前記感温性粘着テープを前記側鎖結晶性ポリマーの融点未満の温度にして前記粘着剤層の粘着力を低下させ、前記複数の生チップを前記感温性粘着テープから取り出す工程と、を備える、セラミック部品の製造方法。
(8)前記(7)に記載のセラミック部品の製造方法で得られる生チップを焼成してセラミックチップを得、前記セラミックチップの端面に外部電極を形成して積層セラミックコンデンサを得る、積層セラミックコンデンサの製造方法。
以下、本発明の一実施形態に係る感温性粘着剤について詳細に説明する。本実施形態の感温性粘着剤は、側鎖結晶性ポリマーを含有する。側鎖結晶性ポリマーは、融点を有するポリマーである。融点とは、ある平衡プロセスにより、最初は秩序ある配列に整合されていた重合体の特定部分が無秩序状態になる温度であり、示差熱走査熱量計(DSC)によって10℃/分の測定条件で測定して得られる値のことを意味するものとする。
次に、本発明の一実施形態に係るセラミック部品の製造方法および積層セラミックコンデンサの製造方法について説明する。本実施形態のセラミック部品の製造方法は、上述した感温性粘着テープを使用するとともに、以下の(i)〜(iv)の工程を備える。本実施形態の積層セラミックコンデンサの製造方法は、以下の(v)の工程をさらに備える。
(ii)感温性粘着テープを介してセラミックグリーンシート積層体を台座上に固定する。
(iii)セラミックグリーンシート積層体を切断して複数の生チップを形成する。
(iv)感温性粘着テープを側鎖結晶性ポリマーの融点未満の温度にして粘着剤層の粘着力を低下させ、複数の生チップを感温性粘着テープから取り出す。
(v)得られた生チップを焼成してセラミックチップを得、セラミックチップの端面に外部電極を形成して積層セラミックコンデンサを得る。
日油社製のベヘニルアクリレートを45部、日本触媒社製のメチルアクリレートを49部、アクリル酸を5部、変性ポリジメチルシロキサン化合物を1部、および重合開始剤として日油社製の「パーブチルND」を0.2部の割合で、それぞれ酢酸エチル230部に加えて混合し、55℃で4時間撹拌して、これらのモノマーを重合させた。得られた共重合体の重量平均分子量は58万、融点は56℃であった。なお、使用した変性ポリジメチルシロキサン化合物は、以下のとおりである。
変性ポリジメチルシロキサン化合物:信越化学工業(株)製の片末端反応性シリコーンオイル「KF−2012」
ベヘニルアクリレートを45部、メチルアクリレートを46部、アクリル酸を5部、変性ポリジメチルシロキサン化合物を4部にした以外は、合成例1と同様にして、これらのモノマーを重合させた。得られた共重合体の重量平均分子量は63万、融点は55℃であった。
ベヘニルアクリレートを45部、メチルアクリレートを45部、アクリル酸を5部、変性ポリジメチルシロキサン化合物を5部にした以外は、合成例1と同様にして、これらのモノマーを重合させた。得られた共重合体の重量平均分子量は60万、融点は55℃であった。
ベヘニルアクリレートを45部、メチルアクリレートを41部、アクリル酸を5部、変性ポリジメチルシロキサン化合物を9部にした以外は、合成例1と同様にして、これらのモノマーを重合させた。得られた共重合体の重量平均分子量は64万、融点は56℃であった。
ベヘニルアクリレートを45部、メチルアクリレートを50部、アクリル酸を5部にし、変性ポリジメチルシロキサン化合物を添加しなかった以外は、合成例1と同様にして、これらのモノマーを重合させた。得られた共重合体の重量平均分子量は62万、融点は56℃であった。
ベヘニルアクリレートを45部、メチルアクリレートを40部、アクリル酸を5部、変性ポリジメチルシロキサン化合物を10部にした以外は、合成例1と同様にして、これらのモノマーを重合させた。得られた共重合体の重量平均分子量は66万、融点は56℃であった。
<感温性粘着テープの作製>
まず、合成例1〜4および比較合成例1〜2で得られた各共重合体を酢酸エチルによって固形分が30重量%となるように調整し、塗布液を得た。次に、塗布液を厚さ100μmのポリエチレンテレフタレートからなるフィルム状の基材の片面に塗布して乾燥し、厚さ10μmの粘着剤層が形成された感温性粘着テープを得た。
得られた感温性粘着テープについて、180°剥離強度を評価した。評価方法を以下に示すとともに、その結果を表2に示す。
得られた感温性粘着テープについて、80℃および23℃の各雰囲気温度におけるポリエチレンテレフタレートフィルムに対する180°剥離強度をJIS Z0237に準拠して測定した。具体的には、以下の条件で感温性粘着テープをポリエチレンテレフタレートフィルムに貼着した後、ロードセルを用いて300mm/分の速度で180°剥離した。
80℃の雰囲気温度で感温性粘着テープをポリエチレンテレフタレートフィルムに貼着して20分間静置した後、180°剥離した。
80℃の雰囲気温度で感温性粘着テープをポリエチレンテレフタレートフィルムに貼着し、この雰囲気温度で20分間静置した後、雰囲気温度を23℃に下げ、この雰囲気温度で20分間静置した後、180°剥離した。
Claims (7)
- 炭素数16以上の直鎖状アルキル基を有する(メタ)アクリレート、炭素数1〜8のアルキル基を有する(メタ)アクリレートおよび極性モノマーを重合させることによって得られる側鎖結晶性ポリマーを含有し、前記側鎖結晶性ポリマーの融点未満の温度で粘着力が低下する感温性粘着剤からなる、感温性粘着シートであって、
前記側鎖結晶性ポリマーが、反応性ポリシロキサン化合物をさらに重合させることによって得られる共重合体からなり、
前記炭素数16以上の直鎖状アルキル基を有する(メタ)アクリレート、前記炭素数1〜8のアルキル基を有する(メタ)アクリレート、前記極性モノマーおよび前記反応性ポリシロキサン化合物の比率が、重量比で、炭素数16以上の直鎖状アルキル基を有する(メタ)アクリレート:炭素数1〜8のアルキル基を有する(メタ)アクリレート:極性モノマー:反応性ポリシロキサン化合物=44〜46:44〜51:4〜6:1〜4であり、
前記感温性粘着シートは、23℃の雰囲気温度におけるポリエチレンテレフタレートフィルムに対する180°剥離強度をJIS Z0237に準じて測定して得られる値が0.05N/25mm以下0.02N/25mmよりも高い、感温性粘着シート。 - セラミック部品製造用である、請求項1または2に記載の感温性粘着シート。
- 前記セラミック部品が、積層セラミックコンデンサである、請求項3に記載の感温性粘着シート。
- 炭素数16以上の直鎖状アルキル基を有する(メタ)アクリレート、炭素数1〜8のアルキル基を有する(メタ)アクリレートおよび極性モノマーを重合させることによって得られる側鎖結晶性ポリマーを含有し、前記側鎖結晶性ポリマーの融点未満の温度で粘着力が低下する感温性粘着剤からなる粘着剤層を、フィルム状の基材の片面または両面に積層してなる、感温性粘着テープであって、
前記側鎖結晶性ポリマーが、反応性ポリシロキサン化合物をさらに重合させることによって得られる共重合体からなり、
前記炭素数16以上の直鎖状アルキル基を有する(メタ)アクリレート、前記炭素数1〜8のアルキル基を有する(メタ)アクリレート、前記極性モノマーおよび前記反応性ポリシロキサン化合物の比率が、重量比で、炭素数16以上の直鎖状アルキル基を有する(メタ)アクリレート:炭素数1〜8のアルキル基を有する(メタ)アクリレート:極性モノマー:反応性ポリシロキサン化合物=44〜46:44〜51:4〜6:1〜4であり、
前記感温性粘着テープは、23℃の雰囲気温度におけるポリエチレンテレフタレートフィルムに対する180°剥離強度をJIS Z0237に準じて測定して得られる値が0.05N/25mm以下0.02N/25mmよりも高い、感温性粘着テープ。 - 請求項5に記載の感温性粘着テープをセラミックグリーンシート積層体に貼着する工程と、
前記感温性粘着テープを介して前記セラミックグリーンシート積層体を台座上に固定する工程と、
前記セラミックグリーンシート積層体を切断して複数の生チップを形成する工程と、
前記感温性粘着テープを前記側鎖結晶性ポリマーの融点未満の温度にして前記粘着剤層の粘着力を低下させ、前記複数の生チップを前記感温性粘着テープから取り出す工程と、
を備える、セラミック部品の製造方法。 - 請求項6に記載のセラミック部品の製造方法で得られる生チップを焼成してセラミックチップを得、前記セラミックチップの端面に外部電極を形成して積層セラミックコンデンサを得る、積層セラミックコンデンサの製造方法。
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CN201580014210.9A CN106103627B (zh) | 2014-03-18 | 2015-01-30 | 热敏性粘合剂 |
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PCT/JP2015/052629 WO2015141294A1 (ja) | 2014-03-18 | 2015-01-30 | 感温性粘着剤 |
TW104107709A TWI651385B (zh) | 2014-03-18 | 2015-03-11 | 感溫性黏著劑、感溫性黏接片、感溫性黏接膠帶、陶瓷構件之製造方法及積層陶瓷電容器之製造方法 |
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JP2017179004A (ja) * | 2016-03-28 | 2017-10-05 | ニッタ株式会社 | 感温性粘着剤 |
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JP7058405B2 (ja) * | 2016-06-23 | 2022-04-22 | ニッタ株式会社 | 感温性樹脂、感温性粘着剤および感温性粘着剤組成物 |
KR102235979B1 (ko) * | 2018-03-28 | 2021-04-02 | 주식회사 엘지화학 | 점착 필름 및 점착 필름의 제조방법 |
KR102256784B1 (ko) * | 2018-03-28 | 2021-05-26 | 주식회사 엘지화학 | 점착 필름 및 점착 필름의 제조방법 |
KR102290629B1 (ko) * | 2018-07-27 | 2021-08-17 | 주식회사 엘지화학 | 점착제 조성물, 이를 포함하는 점착 필름, 점착 필름을 포함하는 백플레이트 필름 및 점착 필름을 포함하는 플라스틱 유기 발광 디스플레이 |
KR102290640B1 (ko) * | 2018-07-27 | 2021-08-17 | 주식회사 엘지화학 | 점착제 조성물, 이를 포함하는 점착 필름, 점착 필름을 포함하는 백플레이트 필름 및 점착 필름을 포함하는 플라스틱 유기 발광 디스플레이 |
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CN110655883B (zh) * | 2019-09-24 | 2021-07-13 | 南京清尚新材料科技有限公司 | 一种冷关型粘合剂及其制备方法和一种粘合带的制备方法 |
KR102409532B1 (ko) * | 2019-10-22 | 2022-06-15 | 주식회사 엘지화학 | 점착제 조성물, 이를 포함하는 점착 필름, 점착 필름을 포함하는 백플레이트 필름 및 점착 필름을 포함하는 플라스틱 유기 발광 디스플레이 |
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