Aspartic acid copolymer and process for producing the same

Details Aspartic acid copolymer and process for producing the same Aspartic acid copolymer and process for producing the same

1996-12-12

1998-12-29

Truong, Duc

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528363, 528367, 525469, 525420, 525432, C08G 6910

Patent

active

058543783

ABSTRACT:
This invention an aspartic acid copolymer obtained by copolymerizing a monomer mixture comprising (1) aspartic acid, maleamic acid and/or a reaction product of maleic acid and ammonia as a main monomer, (2) fumaric acid, and (3) succinic acid and containing 0.005 to 3% by weight, based on the total monomers, of ammonia in the form of an ammonium salt and hydrolyzing the resulting copolymer partially or completely; and a process for producing the same.

REFERENCES:
patent: 5478919 (1995-12-01), Koskan

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