Weathering-resistant polymer alloys

Details Weathering-resistant polymer alloys Weathering-resistant polymer alloys

1992-06-09

1998-08-04

Buttner, David

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

Synthetic resins

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

525394, 525397, 525439, 525462, 525471, C08L 6703, C08L 7110

Patent

active

057894922

ABSTRACT:
For optical applications, transparent amorphous thermo-plastics, such as polyaryl ether ketones, are of considerable interest. However, polyaryl ether ketones have inadequate UV stability and weathering resistance while amorphous polyaryl esters do not have these negative properties. The properties can be improved by means of polymer alloys, giving weathering-resistant materials from homogeneously mixed polymers which comprise at least one amorphous polyaryl ether ketone and at least one amorphous polyaryl ester.

REFERENCES:
patent: 4159287 (1979-06-01), Ames
patent: 4386174 (1983-05-01), Cogswell
patent: 4749754 (1988-06-01), Gallucci
patent: 4857594 (1989-08-01), Lakshmanan
patent: 5006402 (1991-04-01), Isayev
patent: 5011894 (1991-04-01), Robeson
patent: 5166304 (1992-11-01), Dubal

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