Bisphenols and poly(imidoarylether ketone)s and poly(imidoarylet

Details Bisphenols and poly(imidoarylether ketone)s and poly(imidoarylet Bisphenols and poly(imidoarylether ketone)s and poly(imidoarylet

1991-11-26

1992-12-08

Foelak, Morton

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

Synthetic resins

From carboxylic acid or derivative thereof

528310, 546159, 546171, 546272, 548451, C08G 7310

Patent

active

051699230

ABSTRACT:
Bisphenols having a pendent imide moiety, of formula (I) ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, are selected from hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 6 carbon atoms, aryl of 6 to 10 carbon atoms, alkoxy of 1 to 6 carbon atoms and aryloxy of 6 to 10 carbon atoms; R.sub.5 is selected from fluorine, chlorine, bromine and alkyl of 1 to 6 carbon atoms, and m is 0, 1, 2, 3 or 4; and R.sub.7 is alkyl of 1 to 18 carbon atoms, aryl of 6 to 10 carbon atoms, unsubstituted or substituted one or more times by a substituent selected from fluorine, chlorine, trifluoromethyl, alkyl of 1 to 6 carbon atoms, and phenyl, or heteroaryl; are useful in producing poly(imidoarylether ketone)s and poly(-imidoarylether sulfone)s which are amorphous and are soluble in readily available solvents, while displaying high glass transition temperatures and good thermo-oxidative stability.

REFERENCES:
patent: 4014899 (1977-03-01), Bowman et al.
patent: 4171369 (1979-10-01), Achini et al.
patent: 4418200 (1983-11-01), Zweifel et al.

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