Acid resistant glass fibers

Details Acid resistant glass fibers Acid resistant glass fibers

1976-06-02

1977-09-06

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

106 50, 106 52, 428375, 428398, B32B 900, C03C 1300, D02G 300

Patent

active

040469484

ABSTRACT:
Acid resistant glass fibers are prepared by treating the surface of a siliceous glass fiber with an aqueous acid solution to increase the silica content thereof. The aqueous acid solution is removed from the surface of the glass fibers and the fibers are heated to dehydrate or partially dehydrate the surface. The glass fibers as produced have a dual composition; the outer surface of the fiber is rich in silica in relation to the core of the fiber. The fibers so formed are highly resistant to acid attack.

REFERENCES:
patent: 2494259 (1950-01-01), Nordberg
patent: 2500092 (1950-03-01), Parker et al.
patent: 3007806 (1961-11-01), Hartwig
patent: 3008841 (1961-11-01), Tiede
patent: 3095311 (1963-06-01), Wranan et al.
patent: 3560177 (1971-02-01), De Lajarte et al.
patent: 3687850 (1972-08-01), Gagin

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