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The esterification reaction the complex catalyst in order to cause catalytic action to the trance esterification reaction and esterification/the trance esterification process which uses that
The esterification reaction the complex catalyst in order to cause catalytic action to the trance esterification reaction and esterification/the trance esterification process which uses that
The present invention relates to a novel catalyst complex for catalysing esterification and trans-esterification reactions, comprising: (i) a polymeric titanium glycolate having the formula [TSUBi/SUBOSUB4/SUB(CHSUB2/SUB)SUB4/SUB]SUBn /SUBwherein n=1 to 200; and (ii) an alkali metal glycolate; wherein the molar ratio of the polymeric titanium glycolate and the alkali metal glycolate is about 1.25:1 to about 100:1, preferably about 1.25:1 to about 10:1; and to a process for esterification of a dicarboxylic acid compound and an dialcoholic compound, followed by polycondensation to form a polyester.
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机译：本发明涉及用于催化酯化和酯交换反应的新型催化剂配合物，其包括：（i）具有式[T i O 4 （ CH 2 ） 4 ] n 其中n = 1至200; （ii）碱金属乙醇酸盐;其中聚合的乙醇酸钛和乙醇酸碱金属的摩尔比为约1.25∶1至约100∶1，优选约1.25∶1至约10∶1;本发明涉及二羧酸化合物和二元醇化合物的酯化，然后缩聚形成聚酯的方法。
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