发明名称 |
Heterogeneous Lewis acid-type catalysts |
摘要 |
A solid state insoluble salt catalyst system for the carbocationic polymerization of olefin monomer in the presence of a polar or non-polar reaction medium, which comprises (a) solid state catalyst component comprising at least one salt of a strong acid and a carbocationically active transition metal selected from Groups III A, IV A, V A and VI A of the Periodic Table of Elements, wherein said salt is insoluble in the reaction medium; and (b) cocatalyst component effective for promoting the carbocationic polymerization.
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申请公布号 |
US5877371(A) |
申请公布日期 |
1999.03.02 |
申请号 |
US19980104924 |
申请日期 |
1998.06.25 |
申请人 |
EXXON CHEMICAL PATENTS INC. |
发明人 |
CHEN, FRANK JOUNG-YEI;CHERADAME, HERVE;STANAT, JON EDMOND;RISSOAN, GERARD |
分类号 |
C08F4/00;C08F4/16;C08F8/02;C08F8/48;C08F10/00;C08F10/02;C08F110/02;(IPC1-7):C07C2/70 |
主分类号 |
C08F4/00 |
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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