JP6767304B2 - アクリルフォーム層を含む接着剤物品 - Google Patents
アクリルフォーム層を含む接着剤物品 Download PDFInfo
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- JP6767304B2 JP6767304B2 JP2017086536A JP2017086536A JP6767304B2 JP 6767304 B2 JP6767304 B2 JP 6767304B2 JP 2017086536 A JP2017086536 A JP 2017086536A JP 2017086536 A JP2017086536 A JP 2017086536A JP 6767304 B2 JP6767304 B2 JP 6767304B2
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- Prior art keywords
- adhesive
- block copolymer
- sensitive adhesive
- layer
- weight
- 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.)
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- 230000001070 adhesive effect Effects 0.000 title claims description 112
- 239000000853 adhesive Substances 0.000 title claims description 110
- 239000006260 foam Substances 0.000 title claims description 63
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title description 30
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- 239000000178 monomer Substances 0.000 claims description 72
- 238000000034 method Methods 0.000 claims description 34
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- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
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- 229920000642 polymer Polymers 0.000 claims description 7
- 230000000379 polymerizing effect Effects 0.000 claims description 7
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- MYWOJODOMFBVCB-UHFFFAOYSA-N 1,2,6-trimethylphenanthrene Chemical compound CC1=CC=C2C3=CC(C)=CC=C3C=CC2=C1C MYWOJODOMFBVCB-UHFFFAOYSA-N 0.000 claims description 3
- ZDQNWDNMNKSMHI-UHFFFAOYSA-N 1-[2-(2-prop-2-enoyloxypropoxy)propoxy]propan-2-yl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COCC(C)OC(=O)C=C ZDQNWDNMNKSMHI-UHFFFAOYSA-N 0.000 claims description 3
- VOBUAPTXJKMNCT-UHFFFAOYSA-N 1-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound CCCCCC(OC(=O)C=C)OC(=O)C=C VOBUAPTXJKMNCT-UHFFFAOYSA-N 0.000 claims description 3
- WBELHNUIWMNAFH-UHFFFAOYSA-N 12-prop-2-enoyloxydodecyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCCCCCCCOC(=O)C=C WBELHNUIWMNAFH-UHFFFAOYSA-N 0.000 claims description 3
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- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 4
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 4
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 description 4
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- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
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- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- CJSBUWDGPXGFGA-UHFFFAOYSA-N dimethyl-butadiene Natural products CC(C)=CC=C CJSBUWDGPXGFGA-UHFFFAOYSA-N 0.000 description 1
- 229910000267 dualite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001227 electron beam curing Methods 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
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- 229920001519 homopolymer Polymers 0.000 description 1
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- 230000001939 inductive effect Effects 0.000 description 1
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- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
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- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- OVHHHVAVHBHXAK-UHFFFAOYSA-N n,n-diethylprop-2-enamide Chemical compound CCN(CC)C(=O)C=C OVHHHVAVHBHXAK-UHFFFAOYSA-N 0.000 description 1
- YSLAUVZTCDVIPD-UHFFFAOYSA-N n-(2,2-dihydroxyethyl)-n-ethylprop-2-enamide Chemical compound OC(O)CN(CC)C(=O)C=C YSLAUVZTCDVIPD-UHFFFAOYSA-N 0.000 description 1
- UUORTJUPDJJXST-UHFFFAOYSA-N n-(2-hydroxyethyl)prop-2-enamide Chemical compound OCCNC(=O)C=C UUORTJUPDJJXST-UHFFFAOYSA-N 0.000 description 1
- SWPMNMYLORDLJE-UHFFFAOYSA-N n-ethylprop-2-enamide Chemical compound CCNC(=O)C=C SWPMNMYLORDLJE-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- HWXQYUCHSICMAS-UHFFFAOYSA-N octa-3,5-diene Chemical compound CCC=CC=CCC HWXQYUCHSICMAS-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- ZDHCZVWCTKTBRY-UHFFFAOYSA-N omega-Hydroxydodecanoic acid Natural products OCCCCCCCCCCCC(O)=O ZDHCZVWCTKTBRY-UHFFFAOYSA-N 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001470 polyketone Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229920001447 polyvinyl benzene Polymers 0.000 description 1
- 229920002102 polyvinyl toluene Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000005201 scrubbing Methods 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
- 239000013464 silicone adhesive Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003918 triazines Chemical class 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
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
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- 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
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- 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
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
-
- 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
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- 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
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2309/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
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- C09J2409/00—Presence of diene rubber
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- C09J2433/00—Presence of (meth)acrylic polymer
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- 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
- C09J2433/00—Presence of (meth)acrylic polymer
- C09J2433/006—Presence of (meth)acrylic polymer in the substrate
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- C09J2453/00—Presence of block copolymer
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- 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
- C09J7/26—Porous or cellular plastics
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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
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/383—Natural or synthetic rubber
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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
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/387—Block-copolymers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249982—With component specified as adhesive or bonding agent
- Y10T428/249983—As outermost component
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Laminated Bodies (AREA)
Description
接着テープの例は、例えば、国際公開特許WO 2008/070386、米国特許第6,503,621号、及び米国特許第4,415,615号に記載されている。
(i)(a)アルキル基中に平均して3〜14個の炭素原子を有する1種以上のアルキルアクリレートと、1種以上の極性モノマーと、少なくとも2つのフリーラジカル重合可能な基を有する1種以上の多官能性モノマーとを含む重合性組成物を提供し、(b)当該重合性組成物を泡立て、及び(c)当該重合性組成物を重合する、ことにより、第1及び第2の主面を有するフォーム層を作製する工程と、
(ii)架橋性ゴムを含む感圧性接着剤組成物を、フォーム層の第1及び第2の主面の一方又は両方に適用して、感圧性接着剤層を形成する工程と、
(iii)架橋性ゴムを架橋する工程と、を含む。
(i)(a)アルキル基中に平均して3〜14個の炭素原子を有する1種以上のアルキルアクリレートと、1種以上の極性モノマーと、少なくとも2つのフリーラジカル重合可能な基を有する1種以上の多官能性モノマーと含む重合性組成物を提供し、(b)当該重合性組成物を泡立て、及び(c)前記重合性組成物を重合する、ことにより、第1及び第2の主面を有するフォーム層を作製する工程と、
(ii)架橋性ゴムを含む感圧性接着剤組成物を、前記フォーム層の前記第1及び第2の主面の一方又は両方に適用して、感圧性接着剤層を形成する工程と、
(iii)前記架橋性ゴムを架橋する工程と、を含む、実施形態1〜17のいずれか一項に記載の接着剤物品の製造方法。
本出願の本開示では、他に指示がない限り、以下の用語は次のように定義される。
R−(G)m
(式中、Rはゴム状ブロックを表し、Gはガラス状ブロックを表し、ガラス状ブロックの数であるmは1又は2である)により記述することができる。ある実施形態では、mは1であり、直鎖ブロックコポリマーは1個のゴム状ブロックと1個のガラス状ブロックを含むジブロックコポリマーである。ある実施形態では、mは2であり、直鎖ブロックコポリマーは、2個のガラス状末端ブロックと1個のゴム状中央ブロックを含む、即ち、直鎖ブロックコポリマーはトリブロックコポリマーである。
動的剪断試験:
ISO4587:2003の修正版を採用した。
側には、アルミニウムクーポン(50mm×25mm×1mm)が適用された。
以下の点を除いて、300mm/分での90°剥離接着を、Federation Internationale des Fabricants Europeens et Transformateurs d’Adhesifs et Thermocollants sur Papiers et autres Supports(FINAT)の試験法第2に従って測定した。
標準静的剪断試験を、高温で、Pressure Sensitive Tape Council(Chicago,III./USA)PSTC−107(手順G)に従って実施した。試験は、FINAT試験に書かれている49℃(120°F)ではなく、90℃で実施された。使用した基材は、以下の別のセクションに示されている供給元から入手した、塗装された鋼製パネルであった。これら塗料に関する基本的な説明もまた、以下の別のセクションに示されている。n−ヘプタンをしみ込ませたティッシュで拭き取って、塗料A及び塗料Bを手入れした。水とイソプロパノールとの体積比1:1混合物をしみ込ませたティッシュで拭き取って、塗料Cを手入れした。
塗料A:
DuPont Performance Coatings GmbH&Co.KG,Wuppertalより入手された、鋼板にコーティングされた、1Kアクリル粉末コーティング、ジェネレーション(generation)9、自動車塗料。
DuPont Performance Coatings GmbH&Co.KG,Wuppertalより入手された、鋼板にコーティングされた、1K アクリル粉末コーティング、ジェネレーション8、自動車塗料。
PPG Industries Lacke GmbH,Ingersheimより入手された、鋼板にコーティングされた、2Kクリヤーコート、ナノ粒子含有自動車塗料。
45部のIOA、45部のBA、10部のAA、0.15部のIRGACURE 651、及び0.06部のIOTGを混合することにより、アクリルポリマー(AP−1)を調製した。包装フィルム(CTフィルム(Dallas,Texas)からVA−24フィルムとして販売されている厚さ0.0635mmのエチレンビニルアセテートコポリマーフィルム)から目立たない(Discreet)フィルム包装を形成した。AP−I組成物を、約10センチメートル(cm)×5cm×厚さ0.5cmであるフィルム包装内に密封した。約21℃〜約32℃に維持された水浴中に浸漬している間、包装を、約3.5ミリワット/平方センチメートル(mW/sq cm)の強度及びNIST単位で測定した場合に約1680ミリジュール/平方センチメートル(mJ/sq cm)の総エネルギーを有する紫外線(UV)に曝露した。包装の形成及び硬化方法は、米国特許第5,804,610号の実施例1に記載されており、当該特許の主題は、参照によりその全体が本明細書に組み込まれる。
表2に示す組成物による感圧性接着剤を、60mmの共回転2軸押出成形機(Berstorffから入手可能)(「第1接着剤押出成形機」)を用いて配合した。多モードで非対称な星型ブロックコポリマー(「PASBC」)を、主題を参照することによりその全体が本明細書に組み込まれる、米国特許第5,393,373号に従って調製した。ポリマーは、ポリスチレン換算法を用いて検量されたSEC(サイズ排除クロマトグラフィー)により測定した、数平均分子量約4,000ダルトン及び約21,500ダルトンの2つの末端ブロックと、127,000〜147,000ダルトンの腕と、約1,100,000ダルトンの星を有していた。ポリスチレン含量は、9.5〜11.5重量%であった。高分子量である腕のモルパーセントは、約30%と推定された。
12.70%の多モードで非対称な星型ブロックコポリマー(PASBC)、53.10(重量)%のAP−1、23.30%の粘着付与樹脂(ESCOREZ 1310LC)、3.80%の粘着付与樹脂(SUPERESTER W115)、6.20%の可塑剤(SANTICIZER 141)、0.26%の酸化防止剤(IRGANOX 1010)、0.25%の紫外線吸収剤(TINUVIN 328)、及び0.38%のCMB 4900という組成物であることを除き、第1薄接着剤で記載したのと同じ方式で、感圧性接着剤を、60mmの共回転2軸押出機(Berstorffから入手可能)(「第2接着剤押出成形機」)内で配合した。
(実施例A)
表3に示される組成物を有する発泡体コア(FC−1)を、以下の手順で配合した。黒色に着色されたEVA(4900 CMB)を、90mmの共回転2軸押出成形機(「芯押出成形機」)(Berstorff(Hannover,Germany)から入手可能)の第1領域に乾式注入した。ロールフィーダ押出成形機(Berstorffから入手可能)を用いて、アクリルポリマーAP−2及びAP−3の両方を加熱し、芯押出成形機の第2領域に注入した。DUALITE U010−185D発泡性微小球(Henkel Corporation(Gulph Mills,Pennsylvania)から入手可能な、アクリロニトリルとメタクリルニトリルとを含有するシェル組成物、及び、イソペンタンのコアを有する膨張性微小球)を芯押出成形機の第9領域に注入した。
光重合性モノマー(2−EHA及びAA)の混合物中に、0.04重量%の2,2−ジメトキシ−2−フェニルアセトフェノン(「Irgacure」651として入手)を撹拌した。この混合物を紫外線照射に暴露することで部分的に重合して、粘度約3000cpsのシロップを得た。このシロップに、0.20重量%の追加の「Irgacure」651及び架橋剤HDDAを添加した。このプレポリマー混合物に、充填剤Aerosil 972及びガラスバブルを添加し、空気圧モータを備えたモータ付き撹拌棒を使用してゆっくり混合した。脱気、並びに界面活性剤及び顔料の添加後、300rpmで作動する発泡機に混合物を移した。
(実施例Aを作製するのに用いた)上記第1の薄接着剤SA−1の層を、実施例Bのフォーム層の表面上に適用し、その後続く電子ビーム照射工程を経て、次の実施例を生成した。
A)薄接着剤の配合物を、両面シリコン処理された剥離キャリアライナ上にホットメルトコーティングすることにより得た転写テープを、フォーム層に積層する(積層力:典型的には50N/ウェブ幅である)工程。
B)スロットダイを使用して、フォーム層の表面上に直接ホットメルトコーティングする工程。
C)押出ラインを介し、かつ回転ロッドダイを使用して、フォーム層の表面に直接ホットメルトコーティングする工程。
D)薄接着剤の溶媒系配合物を、フォーム層上に直接塗装し、続いてオーブン乾燥工程を行う工程。
不良モード:
FS=発泡体分裂
Pop=パネルのポップオフ(pop off)
2B=2結合不良モード
FS/2B=発泡体分裂と2結合不良モードの複合モード
Pop sh=パネルのショッキイポップ(shocky pop)
Claims (3)
- 第1及び第2の主面を有するフォーム層と、前記フォーム層の前記第1及び第2の主面の少なくとも一方と関連付けられ、かつ架橋ゴムを含む感圧性接着剤層(但し、前記フォーム層の厚さの1/3以下の厚さのものを除く)と、を含む接着剤物品であって、
前記架橋ゴムが、ブロックコポリマーが架橋されてなるものであり、前記ブロックコポリマーが多腕ブロックコポリマーであり、
前記フォーム層が、
アルキル基中に3〜14個の炭素原子を有する1種以上のアルキルアクリレート83〜97重量%と、
1種以上の極性モノマー3〜16重量%と、
ペンタエリスリトールテトラアクリレート、トリプロピレングリコールジアクリレート、1,12−ドデカンジオールジアクリレート及びヘキサンジオールジアクリレートからなる群より選択される1種以上の多官能性モノマー0.01〜1重量%と、
フルオロ脂肪族ポリマー界面活性剤と、を含む重合性組成物を重合することにより得ることができるアクリルポリマーを含む、接着剤物品。 - 請求項1に記載の接着剤物品の製造方法であって、
(i)(a)アルキル基中に3〜14個の炭素原子を有する1種以上のアルキルアクリレート83〜97重量%と、1種以上の極性モノマー3〜16重量%と、ペンタエリスリトールテトラアクリレート、トリプロピレングリコールジアクリレート、1,12−ドデカンジオールジアクリレート及びヘキサンジオールジアクリレートからなる群より選択される1種以上の多官能性モノマー0.01〜1重量%と、フルオロ脂肪族ポリマー界面活性剤と、を含む重合性組成物を提供し、(b)前記重合性組成物を泡立て、及び(c)前記重合性組成物を重合する、ことにより、第1及び第2の主面を有するフォーム層を作製する工程と、
(ii)架橋可能なブロックコポリマーを含む感圧性接着剤組成物を、前記フォーム層の前記第1及び第2の主面の一方又は両方に適用して、感圧性接着剤層(但し、前記フォーム層の厚さの1/3以下の厚さのものを除く)を形成する工程と、
(iii)前記架橋可能なブロックコポリマーを架橋する工程と、
を含み、
前記架橋可能なブロックコポリマーが、多腕ブロックコポリマーである、製造方法。 - 前記接着剤物品を、前記感圧性接着剤層を介して基材に固着することを含む、請求項1に記載の接着剤物品の使用。
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Publication number | Publication date |
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EP2403916A1 (en) | 2012-01-11 |
WO2010101738A1 (en) | 2010-09-10 |
EP2403916B1 (en) | 2012-12-26 |
BRPI1009286B1 (pt) | 2019-05-14 |
US20110315316A1 (en) | 2011-12-29 |
EP2226369A1 (en) | 2010-09-08 |
BRPI1009286A2 (pt) | 2016-03-08 |
JP2020125494A (ja) | 2020-08-20 |
CN102414284A (zh) | 2012-04-11 |
KR20110126159A (ko) | 2011-11-22 |
JP2017165971A (ja) | 2017-09-21 |
ES2400469T3 (es) | 2013-04-10 |
CN102414284B (zh) | 2015-01-14 |
KR101792265B1 (ko) | 2017-10-31 |
JP2012519750A (ja) | 2012-08-30 |
US9376599B2 (en) | 2016-06-28 |
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