申请人:MONSANTO COMPANY
公开号:EP0611746A1
公开(公告)日:1994-08-24
New compounds including bis-β-hydroxy ethyl bibenzoate containing less than 2.5%, and preferably less than 1%, diethylene glycol and a process for the production of the bis-β-hydroxy ethyl bibenzoate by the condensation of 4,4'-biphenyl dicarboxylic acid and ethylene glycol at low temperature and pressure in the presence of a catalyst are disclosed. Use of the compounds to produce polyesters is also disclosed.
本发明公开了包括含二乙二醇少于 2.5%(最好少于 1%)的双-β-羟基乙基双苯甲酸酯的新化合物,以及在催化剂存在下,通过 4,4'-联苯二甲酸和乙二醇在低温低压下缩合生产双-β-羟基乙基双苯甲酸酯的工艺。还公开了使用这些化合物生产聚酯的方法。