Copolymer of succinimide hydroxycarboxylic acid a

专利名称：Copolymer of succinimide/

hydroxycarboxylic acid and process forpreparing the same

发明人：Shinoda, Hosei,Asou, Yukiko,Tamatani,

Hiroaki

申请号：EP98124711.7申请日：19981224公开号：EP0926185A1公开日：19990630

摘要：There are herein disclosed a copolymer having a weight-average molecularweight of 1,000 to 100,000 which comprises, as repeating structure units, both of asuccinimide unit represented by the structural formula (1) and a hydroxycarboxylic acidunit represented by the structural formula (2) wherein R is a methyl group or a hydrogenatom, and a process for preparing a copolymer which comprises a polymerization step ofheating a mixture of aspartic acid and a cyclic ester compound.

申请人：MITSUI CHEMICALS, INC.

地址：2-5, Kasumigaseki 3-chome, Chiyoda-ku Tokyo JP

国籍：JP

代理机构：Strehl Schübel-Hopf & Partner

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