Poly(aryl ether sulfone)-poly(aryl ether ketone) block copolymer

Details Poly(aryl ether sulfone)-poly(aryl ether ketone) block copolymer Poly(aryl ether sulfone)-poly(aryl ether ketone) block copolymer

1990-08-03

1992-01-28

Michl, Paul R.

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

Synthetic resins

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

525905, 525906, C08L 6102, C08L 8106

Patent

active

050845306

ABSTRACT:
Novel poly(aryl ether sulfone)-poly(aryl ether ketone) block copolymers are described. They are prepared by the nucleophilic polycondensation of a hydroxy- or halo-terminated poly(aryl ether ketone) oligomer with the poly(aryl ether sulfone) forming reagents; alternatively, a preformed poly(aryl ether sulfone) block may be used.
The novel copolymers are tough materials with excellent heat, solvent, and stress-crack resistance. They display high HDT's (heat distortion temperatures) and are useful in molding, extrusion and composites applications.

REFERENCES:
patent: 4056511 (1977-11-01), Staniland

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