Polyaromatic ether-sulfone-keytones with fluoro-substituted-p-cy

Details Polyaromatic ether-sulfone-keytones with fluoro-substituted-p-cy Polyaromatic ether-sulfone-keytones with fluoro-substituted-p-cy

1984-05-30

1985-02-12

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528190, 528191, 528193, 528194, C08G 7520

Patent

active

044992580

ABSTRACT:
Polyaromatic ether-sulfone-ketones containing fluoro-substituted-p-cyclophane units were prepared from isophthaloyl chloride, terephthaloyl chloride, diphenyl ether, diphenoxydiphenyl sulfone and a small amount of either 1,1, 2,2, 9,9, 10,10-octafluoro [2,2]-p-cyclophane (type B) or pseudo-p-1,1, 2,2, 9,9, 10,10-octofluoro [2,2]-p-cyclophane bis-acid chloride (type A) by a Friedal-Crafts type polymerization procedure. The p-cyclophane units were incorporated as cross-linking sites.

REFERENCES:
patent: 3491142 (1970-01-01), Yeh et al.
patent: 3754015 (1973-08-01), Hedaya

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