Denka Company Limited

Shinya Serizawa

Gosuke Nakajima

Makiko Sasaki

A composition comprising the following (A) to (D):

Composition

An object of the present invention is to provide a composition comprising components of (1) to (3): (1) a polymerizable monomer comprising components of (1-1) to (1-3): (1-1) a tricyclic monofunctional (meth)acrylate in which the tricyclic ring is alicyclic, (1-2) a tricyclic bifunctional (meth)acrylate in which the tricyclic ring is alicyclic, and (1-3) a bifunctional (meth)acrylate having a bisphenol structure; (2) a polymerization initiator; and (3) a reducing, and wherein (1) the polymerizable monomer comprises 40 to 75% by mass of (1-1) the tricyclic monofunctional (meth)acrylate, 10 to 40% by mass of (1-2) the tricyclic bifunctional (meth)acrylate, and 15 to 40% by mass of the (1-3) the bifunctional (meth)acrylate having the bisphenol structure.

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Shibukawa, Japan

Shinya Serizawa