METHOD FOR PRODUCING ARYLOXY TITANIUMCOMPOSITION, AND ARYLOXYTITANIUM COMPOSITION
申请人:Asahi Kasei Chemicals Corporation
公开号:EP2540694A1
公开(公告)日:2013-01-02
The present invention provides a method for producing an aryloxytitanium composition that can solve the problems of the clogging of the storage tank, the piping, the pump, and the like during storage and transfer, and the like, and a decrease in catalytic activity which occurs during long-term storage, and is extremely preferred as a catalyst for the production of a diaryl carbonate. A method for producing an aryloxytitanium composition, comprising a step (1) of adding a diaryl carbonate to an organic oxytitanium composition having an R-O-Ti linkage, wherein R represents an organic group containing 1 to 20 carbon atoms, and evaporating a component having a lower boiling point than that of the diaryl carbonate, together with the diaryl carbonate, so as to obtain an aryloxytitanium composition.
本发明提供了一种生产芳氧基钛组合物的方法,该方法可以解决贮存和转移过程中贮存罐、管道、泵等的堵塞等问题,以及长期贮存过程中催化活性降低的问题,作为生产碳酸二芳基酯的催化剂极为优选。一种生产芳氧基钛组合物的方法,包括以下步骤(1):将碳酸二芳基酯加入到具有 R-O-Ti 连接的有机钛组合物中,其中 R 代表含有 1 至 20 个碳原子的有机基团,然后将沸点低于碳酸二芳基酯的组分与碳酸二芳基酯一起蒸发,从而得到芳氧基钛组合物。