7.
    发明专利
    未知

    公开(公告)号:DE102006027233A1

    公开(公告)日:2007-12-13

    申请号:DE102006027233

    申请日:2006-06-09

    Applicant: BASF AG

    Abstract: The present invention relates to a process for preparing polytetrahydrofuran or tetrahydrofuran copolymers by polymerization of tetrahydrofuran in the presence of a telogen and/or a comonomer over a fixed bed of an acid catalyst, in which the temperature of the polymerization mixture increases in the direction of flow through the catalyst bed.

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