Thermoplastic molding compositions containing polyorganosiloxane

Details Thermoplastic molding compositions containing polyorganosiloxane Thermoplastic molding compositions containing polyorganosiloxane

1988-11-14

1990-07-03

Marquis, Melvyn I.

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

Synthetic resins

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

525262, 525267, 525403, C08L 5108

Patent

active

049392050

ABSTRACT:
Thermoplastic molding compositions are provided which comprise a polycarbonate resin alone or in combination with a saturated polyester resin and/or a poly(etherester) elastomer, a poly(etherimide ester) elastomer or a mixture thereof; a polyphenylene ether resin and a saturated polyester resin; a polyphenylene ether resin, a saturated polyester resin and a polycarbonate resin; or mixtures thereof modified with multi-stage polyorganosiloxane/polyvinyl-based graft polymers which exhibit markedly improved impact strength and weld line strength with no tendency to delaminate or to show mottled surfaces after molding.

REFERENCES:
patent: 3220972 (1965-11-01), Lamoreaux
patent: 3775452 (1973-11-01), Karstedt
patent: 4556705 (1985-12-01), McCready

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