14.
    发明专利
    未知

    公开(公告)号:DE102005058416A1

    公开(公告)日:2007-06-14

    申请号:DE102005058416

    申请日:2005-12-07

    Applicant: BASF AG

    Abstract: The present invention provides a catalyst comprising a mixture of at least one acid-activated sheet silicate with a transition metal oxide of groups 8 and/or 9 of the Periodic Table of the Elements and also a process for preparing polytetrahydrofuran, polytetrahydrofuran copolymers, diesters or monoesters of these polymers, in which tetrahydrofuran is polymerized in the presence of at least one telogen and/or comonomer over such a catalyst.

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