| 摘要 |
<p>A block copolymer having (meth)acryloyl groups in the side chains, which is obtained from a block copolymer having a skeleton comprising at least one polymer block derived from an aromatic vinyl compound and at least one polymer block derived from a conjugated diene compound by epoxidizing the double bonds derived from the conjugated diene compound and reacting a carboxylic acid having a (meth)acryloyl group with the epoxy groups by ring-opening addition; and an adhesive, sealant, coating, or sizing composition containing the same.</p> |
