发明名称 |
CARBOCATIONIC CATALYSTS AND PROCESS FOR USING SAID CATALYSTS |
摘要 |
A living carbocationic catalyst composition comprising an initiator of a tertiary alkyl halide, a tertiary aralkyl halide or polymeric halide a co-initiator of a methylaluminum or methylboron compound, and a solvent medium with a dielectric constant between 2.5 and 7 is used to produce narrow molecular weight distribution polymers particularly isobutylene polymers. |
申请公布号 |
WO9615156(A2) |
申请公布日期 |
1996.05.23 |
申请号 |
WO1995US14462 |
申请日期 |
1995.11.07 |
申请人 |
EXXON CHEMICAL PATENTS INC. |
发明人 |
SHAFFER, TIMOTHY, DANIEL;BAHADUR, MANEESH |
分类号 |
C08F4/52;C08F2/06;C08F4/14;C08F10/00;C08F10/10;C08F12/04;C08F110/10;C08F297/00 |
主分类号 |
C08F4/52 |
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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