| 摘要 |
<p>A resin composition comprising either a vinyl polymer of a star structure having a crosslinkable silyl group at an end or a vinyl block copolymer having a star structure or having a lengthened chain; and a process for producing a vinyl block copolymer having a star structure or having a lengthened chain which comprises conducting living radical polymerization to form a block copolymer and adding a compound having two or more polymerizable carbon-carbon double bonds at the end point of the polymerization.</p> |
