Low dielectric fluorinated poly(phenylene ether ketone) film and

Details Low dielectric fluorinated poly(phenylene ether ketone) film and Low dielectric fluorinated poly(phenylene ether ketone) film and

1988-09-23

1990-02-20

Kight, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528126, 528128, 528219, 528220, C08G 802, C08G 1400

Patent

active

049027697

ABSTRACT:
A fluorinated poly(phenylene ether ketone) having one of the following structural formulas ##STR1## wherein X is selected from the group consisting of aryl, SO.sub.2, O, CO, --C(CH.sub.3).sub.2, and S, is prepared by reacting a bisphenol with 1,1,1,3,3,3-hexafluoro-2,2-bis[4-(4-halobenzoyl)phenyl]propane (wherein halo is fluoro or chloro), which is a novel monomer formed as the reaction product of halobenzene (wherein halo is fluoro or chloro) and 1,1,1,3,3,3-hexafluoro-2,2-bis(p-chloroformylphenyl)propane.

REFERENCES:
patent: 3442857 (1969-05-01), Thornton

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