Blends containing copolymers of polyphenylene oxides and...

Details Blends containing copolymers of polyphenylene oxides and... Blends containing copolymers of polyphenylene oxides and...

C - Chemistry, Metallurgy

08

L

400/3002

C08L 71/00 (2006.01) C08L 25/04 (2006.01) C08L 25/12 (2006.01) C08L 55/02 (2006.01) C08L 71/12 (2006.01) C08L 81/06 (2006.01)

Patent

CA 1260177

ABSTRACT OF THE DISCLOSURE Described are blends of block copolymers of poly- phenylene oxides and poly(aryl ether)s, a styrene based polymer or copolymer, and a poly(aryl ether) and/or a poly- phenylene oxide. Poly(aryl ether) polymers, particularly polysulfone, are tough, rigid, high-strength thermoplastic materials which maintain their properties over a wide tempera- ture range of from -150°F to above 300°F. They have a continuous-use temperature of about 300 F. They are hydrolyti- cally stable, and have excellent mechanical, electrical and chemical properties, which allows them to be molded into a variety of articles.

470157

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