Polyester resin compositions which can be hardened with little s

Details Polyester resin compositions which can be hardened with little s Polyester resin compositions which can be hardened with little s

1987-07-13

1989-02-21

Short, Patricia

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

Synthetic resins

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

523522, 523523, 523526, 524 39, 525 74, 525 64, 525170, 525440, 525447, C08L 6706

Patent

active

048066036

ABSTRACT:
Polyester-based mouldings which have been hardened with little shrinkage, do not stick in the mould and therefore can be released from the mould without damage are accessible via moulding compositions containing an unsaturated polyester of defined acid number and certain end groups.

REFERENCES:
patent: 2418633 (1947-04-01), Gould
patent: 2423042 (1947-06-01), Muskat
patent: 2516309 (1950-07-01), Fraser
patent: 2882256 (1959-04-01), Waychoff
patent: 3701748 (1972-10-01), Kroekel
patent: 4100224 (1978-07-01), Hess
patent: 4230813 (1980-10-01), Cooke
patent: 4263198 (1981-04-01), Feldman et al.

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