Toagosei Company, Ltd.

Yuushi Andou

Michihiro Kaai

Akitsugu Shibata

Masaru Andou

An adhesive composition according to the present invention contains a polymerizable monomer (A) and a block copolymer (B) including a polymer block (a) which includes structural units derived from a styrene compound and from a maleimide compound, and an acrylic polymer block (b), in which the polymer block (a) and the acrylic polymer block (b) have a solubility parameter of 10.0 or more and 9.0 or more, respectively; the polymer block (a) contains the structural unit derived from a maleimide compound at a concentration from 30% by mass to 99% by mass with respect to the total mass of the polymer block (a); the polymer block (a) has a glass transition temperature of 150&#xb0; C. or higher; and the polymer block (b) has a glass transition temperature of 20&#xb0; C. or lower.

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Takaoka, Japan

Yuushi Andou