发明名称 |
PROCESS FOR PRODUCTION OF STYRENE POLYMERS |
摘要 |
<p>A process for production of styrene polymers of high syndiotactic configuration is disclosed, comprising polymerizing styrene or styrene derivatives by the use of a catalyst comprising: (A) a titanium compound, e.g., at least one compound selected from those represented by the formulae: TiR1aR2bR3cX14-(a+b+c) and TiR1dR2eX13-(d+e) (all the symbols are as defined in the appended claims); and (B) a contact product of an organoaluminum compound and a condensation agent, e.g., a product resulting from modification of trimethylaluminum with water. Because of such high syndiotactic configuration, the styrene polymers are greater in thermal resistance and solvent resistance than conventional atactic polystyrene.</p> |
申请公布号 |
EP0224097(B1) |
申请公布日期 |
1991.01.30 |
申请号 |
EP19860115495 |
申请日期 |
1986.11.08 |
申请人 |
IDEMITSU KOSAN COMPANY LIMITED |
发明人 |
ISHIHARA, NOBUHIDE;KURAMOTO, MASAHIKO;UOI, MICHITAKE |
分类号 |
C08F12/08;C08F4/04;C08F4/60;C08F4/64;C08F4/659;C08F4/6592;C08F6/06;C08F6/28;C08F12/00;C08F12/04 |
主分类号 |
C08F12/08 |
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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