Mold release composition

Details Mold release composition Mold release composition

1976-07-12

1978-01-31

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

65 24, 65 26, 106 3822, 106 3827, 106 85, 106286, 252 30, 264338, 427135, B28B 736, C03B 3900

Patent

active

040713687

ABSTRACT:
A composition particularly effective as a high temperature lubricant for molds used in glass-forming operations and effective at high temperatures of the order of about 1,000.degree. F, comprising a mixture of graphite and a high melting inorganic oxide or salt, preferably potassium titanate, and an inorganic binder e.g. a slurry of magnesium oxide in a mixture of phosphoric acid and chromic acid. The mold lubricant composition also preferably contains a wetting agent, e.g. butyl Cellosolve (ethylene glycol monobutyl ether).

REFERENCES:
patent: 2784108 (1957-03-01), Cupper
patent: 3248250 (1966-04-01), Collins
patent: 3248251 (1966-04-01), Allen
patent: 3915870 (1975-10-01), Brown
patent: 3928673 (1975-12-01), Pardee et al.
patent: 3994847 (1976-11-01), Marcantonio et al.

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