Polybenzimidazole solutions

Details Polybenzimidazole solutions Polybenzimidazole solutions

1990-06-08

1991-11-19

Lee, Mary C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524234, 524394, 524104, 524173, 524612, C08K 504

Patent

active

050666975

ABSTRACT:
A solution polybenzimidazole which is resistant to phase separation contains: a polybenzimidazole; a solvent capable of dissolving the polybenzimidazole; and a minor amount of ammonium acetate.

REFERENCES:
patent: Re26065 (1966-07-01), Marvel et al.
patent: 2895948 (1959-07-01), Brinker et al.
patent: 3174947 (1965-03-01), Marvel et al.
patent: 3502606 (1970-03-01), Conciatori et al.
patent: 4321182 (1982-03-01), Davitt et al.
Vogel et al., "Polybenzimidazoles, New Thermally Stable Polymer" J. Polymer Sci., vol. 50, pp. 511-539, (1961).

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