DOUBLE-SIDED ADHESIVE TAPE
To provide a double-sided adhesive tape excellent in reworkability.SOLUTION: A double-sided adhesive tape is composed of an acrylic pressure sensitive adhesive. The acrylic pressure sensitive adhesive is composed of an acrylic pressure sensitive adhesive composition. The acrylic pressure sensitive a...
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Main Authors | , , , |
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Format | Patent |
Language | English Japanese |
Published |
27.05.2021
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Subjects | |
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Abstract | To provide a double-sided adhesive tape excellent in reworkability.SOLUTION: A double-sided adhesive tape is composed of an acrylic pressure sensitive adhesive. The acrylic pressure sensitive adhesive is composed of an acrylic pressure sensitive adhesive composition. The acrylic pressure sensitive adhesive composition includes: an acrylic partial polymer obtained by polymerizing monomer components (m1); a monomer component (m2); a cross-linking agent; and a photoinitiator. The monomer component (m2) includes: an alkyl(meth)acrylate having a 4-10C alkyl group at an ester terminal; and a polymerizable monomer with a Tg of corresponding homopolymer being 0°C or higher. In the monomer component (m2), a content of the polymerizable monomer with a Tg of corresponding homopolymer being 0°C or higher is 10 to 90 pts.wt., based on 100 pts.wt. of the alkyl(meth)acrylate having a 4-10C alkyl group at an ester terminal.SELECTED DRAWING: None
【課題】リワーク性に優れた両面粘着テープを提供する。【解決手段】本発明の実施形態による両面粘着テープは、アクリル系粘着剤から構成される両面粘着テープであって、該アクリル系粘着剤がアクリル系粘着剤組成物から形成され、該アクリル系粘着剤組成物は、モノマー成分(m1)を重合して得られるアクリル系部分重合物と、モノマー成分(m2)と、架橋剤と、光重合開始剤とを含み、該モノマー成分(m2)が、炭素数4〜10のアルキル基をエステル末端に有するアルキル(メタ)アクリレートと、対応するホモポリマーのTgが0℃以上の重合性モノマーとを含み、該モノマー成分(m2)中、該炭素数4〜10のアルキル基をエステル末端に有するアルキル(メタ)アクリレート100重量部に対する、該対応するホモポリマーのTgが0℃以上の重合性モノマーの含有量が、10重量部〜90重量部である。【選択図】なし |
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AbstractList | To provide a double-sided adhesive tape excellent in reworkability.SOLUTION: A double-sided adhesive tape is composed of an acrylic pressure sensitive adhesive. The acrylic pressure sensitive adhesive is composed of an acrylic pressure sensitive adhesive composition. The acrylic pressure sensitive adhesive composition includes: an acrylic partial polymer obtained by polymerizing monomer components (m1); a monomer component (m2); a cross-linking agent; and a photoinitiator. The monomer component (m2) includes: an alkyl(meth)acrylate having a 4-10C alkyl group at an ester terminal; and a polymerizable monomer with a Tg of corresponding homopolymer being 0°C or higher. In the monomer component (m2), a content of the polymerizable monomer with a Tg of corresponding homopolymer being 0°C or higher is 10 to 90 pts.wt., based on 100 pts.wt. of the alkyl(meth)acrylate having a 4-10C alkyl group at an ester terminal.SELECTED DRAWING: None
【課題】リワーク性に優れた両面粘着テープを提供する。【解決手段】本発明の実施形態による両面粘着テープは、アクリル系粘着剤から構成される両面粘着テープであって、該アクリル系粘着剤がアクリル系粘着剤組成物から形成され、該アクリル系粘着剤組成物は、モノマー成分(m1)を重合して得られるアクリル系部分重合物と、モノマー成分(m2)と、架橋剤と、光重合開始剤とを含み、該モノマー成分(m2)が、炭素数4〜10のアルキル基をエステル末端に有するアルキル(メタ)アクリレートと、対応するホモポリマーのTgが0℃以上の重合性モノマーとを含み、該モノマー成分(m2)中、該炭素数4〜10のアルキル基をエステル末端に有するアルキル(メタ)アクリレート100重量部に対する、該対応するホモポリマーのTgが0℃以上の重合性モノマーの含有量が、10重量部〜90重量部である。【選択図】なし |
Author | FUKUHARA ATSUHITO ISEKI RYO YOKOKAWA RYOSUKE NIWA MICHIHITO |
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Snippet | To provide a double-sided adhesive tape excellent in reworkability.SOLUTION: A double-sided adhesive tape is composed of an acrylic pressure sensitive... |
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SubjectTerms | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS POLISHES USE OF MATERIALS AS ADHESIVES |
Title | DOUBLE-SIDED ADHESIVE TAPE |
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