Polyamide-imide compositions and articles for electrical use pre

Details Polyamide-imide compositions and articles for electrical use pre Polyamide-imide compositions and articles for electrical use pre

1979-02-08

1983-03-22

Lee, Lester L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524148, 524173, 524233, 524403, 524404, 524408, 524430, 524432, 524433, 524435, 524436, 524437, 524439, 524440, 524441, 524600, 525423, 525430, 528125, 528128, 528172, 528184, 528185, 528350, 528352, C08G 7314, C08L 7908

Patent

active

043776523

ABSTRACT:
An article for electrical use such as insulative substrates, electrical circuit borads and electrical elements, wholly or partly consisting out of an aromatic polyamide-imide having a reduced viscosity of from about 0.3 to 1.5, which polyamide-imide may contain a granular material dispersed therein, and a composition comprising 100 parts by weight of said polyamide-imide and additional about 100 to 4,000 parts by weight of a granular material and optionally about 10 to 10,000 parts by weight of a polar organic solvent.

REFERENCES:
patent: 3472815 (1969-10-01), Juveland
patent: 3513134 (1970-05-01), Filius
patent: 3753998 (1973-08-01), Morello
patent: 3817942 (1974-06-01), Kovacs et al.
patent: 3860559 (1975-01-01), Minami et al.
patent: 3975345 (1976-08-01), Fessler
patent: 4066631 (1977-01-01), Dimmig
patent: 4167620 (1979-09-01), Chen

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