发明名称 |
Cycloolefin copolymers and uses thereof |
摘要 |
<p>Disclosed is a cycloolefin copolymer which is obtained from (A) a straight-chain or branched alpha -olefin of 2 to 20 carbon atoms, (B) a specific cycloolefin and (C) an aromatic vinyl compound and has an intrinsic viscosity Ä eta Ü of 0.1 to 10 dl/g, wherein the content of constituent units derived from the cycloolefin (B) and the content of constituent units derived from the aromatic vinyl compound (C) satisfy a specific relation. The cycloolefin copolymer has high heat resistance, low moisture absorption and small birefringence.</p> |
申请公布号 |
EP0872506(B1) |
申请公布日期 |
2003.08.27 |
申请号 |
EP19980106741 |
申请日期 |
1998.04.14 |
申请人 |
MITSUI CHEMICALS, INC.;TICONA GMBH |
发明人 |
YAMAGUCHI, MASAYOSHI;TAKIMOTO, KAZUYUKI |
分类号 |
G02C7/02;C08F4/659;C08F10/02;C08F210/00;C08F210/02;C08F232/08;C08G61/08;G02B1/04;G02B6/00;(IPC1-7):C08G61/02;C08G61/06;C08F232/00 |
主分类号 |
G02C7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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