Preparation of impact-resistant thermoplastic molding

Details Preparation of impact-resistant thermoplastic molding Preparation of impact-resistant thermoplastic molding

1987-04-28

1988-10-25

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

525 53, 525285, 525301, 525296, C08F25702

Patent

active

047805099

ABSTRACT:
Impact-resistant thermoplastic molding materials based on a resin A containing one or more vinylaromatic monomers are prepared by reacting the resin A (component A) with one or more monomers from the group consisting of the .alpha.,.beta.-unsaturated dicarbonyl compounds (component B) by a process in which the reaction is carried out in a melt of A in the presence of B and in the absence of initiators, and the resin A used is one which contains from 3 to 50% by weight, based on A, of one or more elastomers a.sub.1 (rubber) and has been prepared in a conventional manner by polymerizing one or more vinylaromatic monomers of 8 to 12 carbon atoms in the presence of the elastomer a.sub.1 are used for the production of moldings.

REFERENCES:
patent: 3661866 (1972-05-01), Schwarz
patent: 4292414 (1981-09-01), Saito et al.

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