发明申请
- 专利标题： Catalyst, method for producing the same and method for the polymerisation of cyclic ethers on said catalyst
- 专利标题（中）： 催化剂，其制备方法和在所述催化剂上聚合环醚的方法
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申请号： US10529035申请日： 2003-09-12
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公开(公告)号： US20060046925A1公开(公告)日： 2006-03-02
- 发明人: Stephan Schlitter , Martin Haubner , Michael Hesse , Stefan Kashammer , Rolf Pinkos , Christoph Sigwart
- 申请人： Stephan Schlitter , Martin Haubner , Michael Hesse , Stefan Kashammer , Rolf Pinkos , Christoph Sigwart
- 优先权： DE10245198.2 20020927
- 国际申请： PCT/EP03/10149 WO 20030912
- 主分类号： B01J21/16
- IPC分类号： B01J21/16
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 m2/g and an acid center density of at least 0.05 mmol/g for pKa 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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