申请人:Mitsui Chemicals, Inc.
公开号:US05780704A1
公开(公告)日:1998-07-14
A process for decomposing a thermoplastic polymer composition which comprises a polyhydroxycarboxylic acid base polymer as a primary component in an alkaline solution, recovering hydroxycarboxylic acid from the solution by electrodialysis or acid-precipitation and using the recovered hydroxycarboxylic acid for a polymer material, when desired, is provided.
提供一种分解热塑性聚合物组合物的方法,该组合物包括一种以聚羟基羧酸为主要组分的聚合物,该方法在碱性溶液中进行,通过电渗析或酸沉淀从溶液中回收羟基羧酸,并在需要时使用回收的羟基羧酸作为聚合物材料。