| 摘要 |
PROBLEM TO BE SOLVED: To provide a (meth)acrylic acid copolymer which has low water-absorbing property and excellent compatibility with an epoxy resin and which provides a cured article having low elastic modulus and excellent water resistance when blended in an epoxy resin composition and cured.SOLUTION: There is provided the (meth)acrylic acid ester copolymer obtained by copolymerizing glycidyl (meth)acrylate, alkyl (meth)acrylate and an aromatic vinyl compound as monomer components and having an epoxy value of 0.06 to 1.2 eq/kg and a weight average molecular weight of 100,000 to 1,000,000.SELECTED DRAWING: None |
