| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a pressure-sensitive adhesive. <P>SOLUTION: The pressure sensitive adhesive comprises a mixture consisting of a) a styrene block copolymer having a star structure and≥300000 g/mole molecular weight M<SB>w</SB>, or an elastomer block containing≥30 wt.% 1,2-bonding diene in the block, or both of them, b) one or more block copolymers comprising≥20 wt.% polyvinyl aromatic block and an elastomer block and c) one or more adhesiveness-imparting resin. <P>COPYRIGHT: (C)2004,JPO</p> |
