Functional group-containing butadiene based impact modifier

Details Functional group-containing butadiene based impact modifier Functional group-containing butadiene based impact modifier

1995-06-27

1996-11-19

Jagannathan, Vasu S.

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

Synthetic resins

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

525 67, 525296, 525293, 525301, 525285, 525292, 525286, 525303, C08F27902, C08F25702, C08F26504

Patent

active

055763944

ABSTRACT:
The present invention provides a functional group-containing alkyl acrylate-butadiene-aromatic vinyl compound copolymer which is obtained from the following layers by emulsion graftlinking polymerization: an inner layer comprising polybutadiene or an aromatic vinyl compound-butadiene copolymer; a middle layer comprising an aromatic vinyl compound--an alkyl acrylate copolymer; and an outer layer comprising an alkyl acrylate--a functional group-containing vinyl compound copolymer. The functional group-containing alkyl acrylate-butadiene-aromatic vinyl compound copolymer can be incorporated into a PC/PBT alloy as an impact modifier, thus the impact strength of the modified alloy composition at room temperature and low temperatures can be increased effectively.

REFERENCES:
patent: 4443585 (1984-04-01), Goldman
patent: 5373060 (1994-12-01), Guentherberg

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