Polytetrafluoroethylene-impregnated bundles of sized glass fiber

Details Polytetrafluoroethylene-impregnated bundles of sized glass fiber Polytetrafluoroethylene-impregnated bundles of sized glass fiber

1982-04-14

1984-05-22

Page, Thurman K.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

427387, 4273898, 428245, 428268, 428365, 428378, 428391, 428392, D03D 300, B05D 305

Patent

active

044501978

ABSTRACT:
A method for impregnating a bundle of sized glass fibers with a composition comprising a polytetrafluoroethylene resin, a film-forming acrylic resin, a thickening agent and a polyhydrolyzable organosilane having nonhydrolyzable amine functionality is described. The impregnated bundles are especially suited for at least the warp of fabrics for filtering entrained particulates from gases such as flue gases from the combustion of hydrocarbon fuels such as coal.

REFERENCES:
patent: 2712509 (1955-07-01), Biefeld
patent: 2754223 (1956-07-01), Caroselli
patent: 4065417 (1977-12-01), Wong et al.
patent: 4104434 (1978-08-01), Johnson
patent: 4347278 (1982-08-01), Flautt et al.
patent: 4370376 (1983-01-01), Gangal et al.

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