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公开(公告)号：DE10112116A1
公开(公告)日：2002-09-19
申请号：DE10112116
申请日：2001-03-14
Applicant: BASF AG
Inventor： SIGWARTH CHRISTOPH , SCHWIEGK STEFAN , GRAF HERMANN , SCHAEFER HARALD
IPC: C08G65/20 , C08G65/30 , C08G65/331
Abstract: The invention relates to a method for purifying polytetrahydrofuran, tetrahydrofuran copolymers and/or monoesters or diesters of said polymers, which is characterized by adjusting a CPR value of +1 to 4 by treating the polytetrahydrofuran, tetrahydrofuran copolymers and/or monoesters or diesters of said polymers with at least one acid and/or alkaline ion exchanger.
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