Copolymer and process for preparing the same

There are herein disclosed a copolymer having a weight-average molecular weight of 1,000 to 100,000 which comprises, as repeating structure units, both of a succinimide unit represented by the structural formula (1) and a hydroxycarboxylic acid unit represented by the structural formula (2) wherein...

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Bibliographische Detailangaben
Hauptverfasser:	ASOU YUKIKO, SHINODA HOSEI, TAMATANI HIROAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	There are herein disclosed a copolymer having a weight-average molecular weight of 1,000 to 100,000 which comprises, as repeating structure units, both of a succinimide unit represented by the structural formula (1) and a hydroxycarboxylic acid unit represented by the structural formula (2) wherein R is a methyl group or a hydrogen atom, and a process for preparing a copolymer which comprises a polymerization step of heating a mixture of aspartic acid and a cyclic ester compound.