Stable solution of polybenzimidazole and polysulfons blends

Details Stable solution of polybenzimidazole and polysulfons blends Stable solution of polybenzimidazole and polysulfons blends

1992-04-08

1993-05-04

Michl, Paul R.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524606, 524609, 524612, 525540, 525906, C08L 7706, C08L 8106, C08L 7904

Patent

active

052082989

ABSTRACT:
A stable solution of polybenzimidazole resin containing from approximately 10 to approximately 35 weight percent of resins and from approximately 65 to approximately 90 weight percent of a suitable solvent, the resins consist of from approximately 70 to approximately 95 weight percent of polybenzimidazole and from approximately 5 to approximately 30 weight percent of polysulfone, wherein the solution is substantially free of organic salt. The solution is useful for the production of films, fibers and molded articles exhibiting enhanced mechanical properties.

REFERENCES:
patent: 3441640 (1969-04-01), Santangelo
patent: 4340697 (1982-07-01), Aya et al.

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