Polyphenylene ether or polyphenylene ether/polystyrene with poly

Details Polyphenylene ether or polyphenylene ether/polystyrene with poly Polyphenylene ether or polyphenylene ether/polystyrene with poly

1988-11-14

1991-09-10

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...

525 63, 525391, 525392, 525393, 524115, 524268, 524267, 524414, C08L 6104

Patent

active

050474723

ABSTRACT:
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.

REFERENCES:
patent: 4226761 (1980-10-01), Cooper et al.
patent: 4564653 (1986-01-01), Kamata et al.
patent: 4812515 (1989-03-01), Kress et al.

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