ADHESIVE AGENT COMPOSITION, ADHESIVE TAPE, AND CAPACITOR ELEMENT

WIPO Patent Application WO/2023/106216

A1

Provided are: an adhesive agent composition having excellent properties; an adhesive tape; and a capacitor element. A mode according to the present invention is an adhesive agent composition containing a cross-linked polymer obtained through a reaction between a base polymer and cross-linking agents. The base polymer is a copolymer obtained through copolymerization of constituent monomers including a carboxyl group-containing monomer and low-Tg (meth)acrylic acid alkyl ester monomers having a Tg of 20°C or less. In the constituent monomers, the contained amount of the low-Tg (meth)acrylic acid alkyl ester monomers having 5 or more carbon atoms in the alkyl portion thereof is 30 mass% or more with respect to the total amount of the constituent monomers. In the constituent monomers, the contained amount of the low-Tg (meth)acrylic acid alkyl ester monomers having less than 5 carbon atoms in the alkyl portion thereof is 10 mass% or less with respect to the total amount of the constituent monomers. The cross-linking agents include an epoxy-based cross-linking agent and an isocyanate-based cross-linking agent. The amount ME of the epoxy-based cross-linking agent is less than 0.10 parts by mass.

SAIKI FUMIYA (JP)
SUZUKI YOSHIHIRO (JP)

PCT/JP2022/044484

June 15, 2023

December 01, 2022

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NICHIBAN KK (JP)

C09J133/04; C09J7/38; C09J163/00; C09J175/04; C09J201/00; H01G9/048

JP2013064086A	2013-04-11
JP2017057371A	2017-03-23
JP2007277521A	2007-10-25
JP2016125026A	2016-07-11
JP2015196832A	2015-11-09
JP2014198830A	2014-10-23
JP2004196867A	2004-07-15
JP2020125386A	2020-08-20
JP2016213355A	2016-12-15
JP2006335840A	2006-12-14
JP2016125026A	2016-07-11

ITOH, Atsushi et al. (JP)

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