Mold release composition containing tungsten disulfide

Details Mold release composition containing tungsten disulfide Mold release composition containing tungsten disulfide

1975-05-30

1976-07-06

Ansher, Harold

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

65 26, 428323, 428335, 428336, 428469, 428470, 428472, 428450, B32B 516, C10M 110, C03B 3900

Patent

active

039683028

ABSTRACT:
A composition and method of preparation are herein described for molten release and parting compositions adaptable for use in glass-forming operations. The novel composition comprise a mixture containing tungsten disulfide, a silicate and a setting agent. A preferred composition comprises a mixture of tungsten disulfide and graphite with sodium silicate and zinc oxide as a setting agent.

REFERENCES:
patent: 2246463 (1941-06-01), Garratt
patent: 2901380 (1959-08-01), Crump
patent: 3079204 (1963-02-01), Lamson
patent: 3242076 (1966-03-01), Hagan
patent: 3285850 (1966-11-01), Graham
patent: 3341454 (1967-09-01), Chor
patent: 3496003 (1970-02-01), Simon-Vermot
patent: 3522177 (1970-07-01), Benz
patent: 3874862 (1975-04-01), Bickling

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