The invention provides a catalyst solution for polyester production, comprising a titanium compound (A) and an organic solvent (B), wherein particle diameter of particles included in the solution, which is measured by dynamic light scattering method and is subsequently determined by cumulant analysis method, is not greater than 200 nm.
本发明提供了一种用于聚酯生产的催化剂溶液,该溶液由
钛化合物(A)和有机溶剂(B)组成,其中溶液中所含颗粒的粒径(通过动态光散射法测量,随后通过累积分析法确定)不大于 200 nm。