摘要：

Relatively poled bodiesRelatively low polar depositsRefractory adherents such as ethylene propylene diene rubber (EPDM)Strongly adhering to the rough surface andHold hold highAndExcellent adhesion even under high temperature and humidity environmentAs the adhesive composition in which the adhesion decrease at time is suppressed(meta) acrylate having 1 to 3 alkyl groups of carbonT butyl (meta) acrylateAt least one (A1) selected from the group consisting of a ring containing monomer and a number of carbon esters of 3 to 10 carbon atomsA (meta) acrylate having an alkyl group of 4 to 24 carbon atomsT butyl (meta) acrylate (A2),A terminal carboxyl group containing monomer (A3) having a specific structureAn adhesive composition containing an acrylic resin (a) containing copolymerized component (a) containing a specific amount of ((meth) acrylic acid (A4)) is provided.

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