Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-11-10
1978-06-20
Jacobs, Lewis T.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
28169, 81156, 427154, 427401, 427434D, 427443, 428364, 428367, C08L 9100
Patent
active
040961044
ABSTRACT:
A finish composition for fibrous material such as carbon, graphite or silica fibers comprises an aqueous emulsion of an elastomer and a lubricious substance which are both dispersed in the aqueous emulsion. The elastomer comprises a latex of butyl rubber or butadiene
itrile type rubbers, and the lubricious substance comprises an emulsion of a hydrocarbon type wax such as paraffin. The aqueous emulsion which includes a dispersant such as water proportioned to provide the emulsion with a solids concentration of up to about 1% is applied as a size to the fibrous material, following which the water is driven off such as by use of elevated temperatures to cause the lubricious substance to separate from the elastomer and exude to the surface of the elastomeric sheath surrounding the fibrous material. The finish may be used as an aid to weaving, in which event it is applied to fibers such as carbon or graphite fibers prior to weaving and then removed after the weaving is completed. Also the finish may be applied and allowed to remain on fibers such as those of substantially silica composition to enhance abrasion resistance, anti-dusting qualities and other properties of already woven materials.
REFERENCES:
patent: 2686954 (1954-08-01), Parker
patent: 2840442 (1958-06-01), Abrams et al.
patent: 3007825 (1961-11-01), Cubberley et al.
patent: 3192172 (1965-06-01), Behnke
patent: 3231540 (1966-01-01), Vanderbilt
patent: 3369932 (1968-02-01), Sawyer et al.
patent: 3597256 (1971-08-01), Young
Miller Albert L.
Spain Raymond G.
Hitco
Jacobs Lewis T.
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