Water repellent aramids

Details Water repellent aramids Water repellent aramids

1991-12-03

1994-05-10

Kight, III, John

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

Synthetic resins

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

264343, 264DIG80, 428224, 428288, C08G 6948

Patent

active

053108248

ABSTRACT:
A process is disclosed for rendering shaped aramid and polybenzimidazole articles water repellent by grafting fluorinated compounds to the surface of the articles. The resulting grafted polymer and shaped articles made from the grafted polymer are also disclosed.

REFERENCES:
patent: 4889579 (1989-12-01), Burch
patent: 4894422 (1990-01-01), Peiffer et al.
patent: 5024858 (1991-06-01), Burch
Macromolecules, vol. 23, No. 4 (1990), pp. 1065-1072, "Preparation of Aromatic Polyamide Polyanions: A Novel Processing Strategy For Aromatic Polyamides", by R. R. Burch et al.
Acc. Chem. Res., vol. 21, (1988), pp. 456-463, "Equilibrium Acidities in Dimethyl Sulfoxide Solution", R. G. Bordwell.

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