Miscible blends of imide containing polymers with poly(aryl sulf

Details Miscible blends of imide containing polymers with poly(aryl sulf Miscible blends of imide containing polymers with poly(aryl sulf

1988-12-30

1991-08-06

Carrillo, Ana L.

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

Synthetic resins

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

525906, C08L 7908

Patent

active

050379020

ABSTRACT:
This application relates to miscible blends of biphenyl containing poly(aryl sulfones) and isopropylidene based polyimides. These blends are suitable for printed wiring board substrates, flexible printed circuit boards, electrical connectors and fabricated articles requiring heat and chemical resistance. A method for extruding these articles is taught.

REFERENCES:
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patent: 4108837 (1978-08-01), Johnson et al.
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patent: 4293670 (1981-10-01), Robeson et al.
patent: 4371672 (1983-02-01), Younes
patent: 4684674 (1987-08-01), Brooks
patent: 4713426 (1987-12-01), Harris et al.
patent: 4713438 (1987-12-01), Harris et al.

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