Provided is a process for the removal of tetrahydrofuran from polyesters or copolyesters comprising 1,4-butylene dicarboxylate repeating units and from compositions comprising the polyesters or copolyesters.
本发明提供了一种从包含 1,4-
丁烯二
羧酸盐重复单元的聚酯或共聚物以及包含这些聚酯或共聚物的组合物中去除
四氢呋喃的工艺。