发明名称 |
CYCLOOLEFIN COPOLYMER COMPOSITION AND METHOD FOR THE PREPARATION THEREOF |
摘要 |
Provided are cycloolefin copolymer compositions comprising a hydrocarbon elastomer component substantially free from a polymerizable double bond and a cycloolefin random copolymer component obtained by copolymerization of an .alpha.-olefin of at least 2 carbon atoms and a cycloolefin in the presence of said hydrocarbon elastomer component, said composition containing said hydrocarbon elastomer component in an amount of 1-50% by weight, and a method for preparing said cycloolefin copolymer compositions. Also provided are cycloolefin copolymer compositions comprising a hydrocarbon elastomer component having a polymerizable double bond and a cycloolefin copolymer component obtained by copolymerization of an .alpha.-olefin of at least 2 carbon atoms and a cycloolefin in the presence of said hydrocarbon elastomer component, said composition containing said hydrocarbon elastomer component in an amount of 1-50% by weight. Such cycloolefin copolymer compositions as mentioned above are excellent in transparency and mechanical strength and also excellent particularly in impact resistance. In particular, when a cycloolefin elastomer obtained by copolymerization of an .alpha.-olefin of at least 2 carbon atoms, a cycloolefin and a non-conjugated dime of 5-20 carbon atoms is used as the above-mentioned hydrocarbon elastomer component having a polymerizable double bond, the resulting copolymer compositions are excellent particularly in transparency.
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申请公布号 |
CA2114236(A1) |
申请公布日期 |
1993.12.09 |
申请号 |
CA19932114236 |
申请日期 |
1993.05.24 |
申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD. |
发明人 |
TSUJI, YOICHIRO;ABE, YOSHIHARU;SAGANE, TOSHIHIRO;TAKATA, TOSHIMASA |
分类号 |
C08F255/00;C08F283/14;C08L23/02;C08L23/08;C08L23/16;C08L45/00;(IPC1-7):C08L45/00 |
主分类号 |
C08F255/00 |
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