General Electric Company

Muhanad A Alsamarraie

I-Chung W Wang

William R Haaf

Stanley Young Hobbs

James L Derudder

Vicki Herzl Watkins

Marinus E Dekkers

Warren J Peascoe

Polyphasic resin blends and particularly polycarbonate/polyester blends, are prepared with modifiers comprising combinations of polyorganosiloxane/polyvinyl-based graft copolymer(s), polyorganosiloxane-based graft copolymer(s) and/or diene rubber-based graft copolymer(s), imparting a wide range of physical properties to the blends.

Thermoplastic compositions containing combined modifiers

Thermoplastic molding compositions are provided which comprise a polyphenylene ether resin alone or in combination with a polystyrene resin modified with a multi-stage polyorganosiloxane/polyvinyl-based graft polymer which exhibit materially enhanced impact strength, flame resistance, moldability and flow properties and other desirable properties without showing surface mottling or a tendancy to delaminate.

Polyphenylene ether or polyphenylene ether/polystyrene with

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Clifton Park, NY, United States of America

Muhanad A Alsamarraie