A block copolymer having (meth)acryloyl groups in side chains, which copolymer is a ring-opening addition product of (meth)acryloyl-group-containing carboxylic acid to epoxy groups of a block copolymer obtained through epoxidation of double bonds derived from a conjugated diene compound contained in a base block copolymer formed of a polymer block of an aromatic vinyl compound and that of a conjugated diene compound; as well as adhesive compositions, sealant compositions, coating compositions, and sizing compositions.
一种侧链中含有(甲基)
丙烯酰基的嵌段共聚物,该共聚物是含(甲基)
丙烯酰基的
羧酸与嵌段共聚物的环氧基团开环加成的产物,嵌段共聚物的环氧基团是由芳香族
乙烯基化合物的聚合物嵌段和共轭二烯化合物的聚合物嵌段所形成的基嵌段共聚物中含有的共轭二烯化合物衍生的双键通过环氧化反应而得到的;以及粘合剂组合物、密封剂组合物、涂料组合物和施胶组合物。