发明名称 |
Catalyst, method for producing the same and method for the polymerisation of cyclic ethers on said catalyst |
摘要 |
The present invention relates to a solid, acid catalyst for the preparation of polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers by polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer, which has a BET surface area of at least 160 m<SUP>2</SUP>/g and an acid center density of at least 0.05 mmol/g for pK<SUB>a </SUB>values of from 1 to 6, to a process for preparing it and to a process for the polymerization of cyclic ethers over this catalyst.
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申请公布号 |
US2006046925(A1) |
申请公布日期 |
2006.03.02 |
申请号 |
US20050529035 |
申请日期 |
2005.03.24 |
申请人 |
SCHLITTER STEPHAN;HAUBNER MARTIN;HESSE MICHAEL;KASHAMMER STEFAN;PINKOS ROLF;SIGWART CHRISTOPH |
发明人 |
SCHLITTER STEPHAN;HAUBNER MARTIN;HESSE MICHAEL;KASHAMMER STEFAN;PINKOS ROLF;SIGWART CHRISTOPH |
分类号 |
B01J21/16;B01J35/00;C08G61/12;C08G65/26 |
主分类号 |
B01J21/16 |
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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