| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a cycloolefin based addition copolymer that contains a reactive silyl group having a specific structure, has excellent optical transparency, heat resistance and adhesiveness, and can produce crosslinked substance having improved dimentional stability, solvent and chemicals resistance by crosslinking. <P>SOLUTION: The cycloolefin based addition copolymer containing the reactive silyl group that is made by addition polymerization between a cycloolefin compound having the reactive silyl group such as 5-[1',4',4'-trimethyl-2',6'-dioxa-1'- silacyclohexyl]-bicyclo[2.2.1]hepto-2-en and other cycloolefin compound such as bicyclo[2.2.1]hepto-2-en, a composition for crosslinkage made by combining with a specific crosslinking agent, the crosslinked substance made by crosslinking the composition, an optical material containing the copolymer, the composition or the crosslinked substance. <P>COPYRIGHT: (C)2003,JPO |
