Amide-urea copolymer and process for the preparation thereof

Details Amide-urea copolymer and process for the preparation thereof Amide-urea copolymer and process for the preparation thereof

1987-12-30

1989-10-24

Anderson, Harold D.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525420, 528335, 528340, 528347, 528370, C08G 6948, C08G 7102

Patent

active

048763179

ABSTRACT:
Copolymers comprising amide units and urea units are prepared by melt phase interchange of diaryl esters of dicarboxylic acids with diamines and diesters of carbonic acid with diamines. The products are tough resins, useful per se as molding compounds, or in blends with other thermoplastic polymers.

REFERENCES:
patent: 3534001 (1970-10-01), Bouboulis et al.
patent: 4567249 (1988-01-01), Fox et al.

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