11.
    发明专利
    未知

    公开(公告)号:DE102005034490A1

    公开(公告)日:2007-01-25

    申请号:DE102005034490

    申请日:2005-07-20

    Applicant: BASF AG

    Abstract: Process for preparing polyoxymethylene copolymers (POMs) by a) polymerizing a reaction mixture comprising suitable main monomers and comonomers and also a polymerization initiator and, if appropriate, a regulator, b) adding a deactivator and c) removing the residual monomers, wherein the amount of compounds whose melting point at 1013 hPa is below 60° C. present in the reaction mixture at any point in time during the process is not more than 0.1% by weight, with the POM, the monomers, comonomers, polymerization initiators, deactivators and regulators not being included in the calculation.

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