粘着シート

Japanese Patent JP5961610

B2

[Problem] To provide a pressure-sensitive adhesive sheet whereby the occurrence of foaming from a pressure-sensitive adhesive and melting of the base material will not occur even under high-temperature conditions. [Solution] Provided is a pressure-sensitive adhesive sheet comprising a base material comprising an optically transparent polyimide film and a light-curable pressure-sensitive adhesive layer laminated onto one side of the base material, wherein the pressure-sensitive adhesive constituting the light-curable pressure-sensitive adhesive layer contains a (meth)acrylic acid ester copolymer (A), a photopolymerizable compound (B), a multi-functional isocyanate curing agent (C), and a photopolymerization initiator (D), the (meth)acrylic acid ester copolymer (A) having a weight-average molecular weight of 1,000,000-2,000,000 and being either a copolymer of a (meth)acrylic acid ester monomer or a copolymer of a (meth)acrylic acid ester monomer and vinyl compound monomer.

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JP6727370	UV-curable acrylic pressure-sensitive adhesive composition, UV-curable acrylic pressure-sensitive adhesive layer, polarizing film with pressure-sensitive adhesive layer, method for manufacturing UV-curable acrylic pressure-sensitive adhesive layer, and image display device

Kazunori Kano
Takeshi Saito

JP2013518074A

August 02, 2016

May 28, 2012

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Denka Co., Ltd.

C09J4/02; C09J7/22; C09J7/38; C09J11/06; C09J133/04; C09J163/10; C09J175/04

JP2010053192A
JP2008069185A
JP2005298579A
JP10054906A
JP2008145366A

WO2011077835A1

Kobayashi Yoshinori
Sonoda Yoshitaka

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