High temperature release and lubricating compositions for glass

Details High temperature release and lubricating compositions for glass High temperature release and lubricating compositions for glass

1977-10-13

1978-12-26

Vaughn, Irving

Compositions

Electrolytes for electrical devices

65 24, 65 26, 65170, 252 45, 252 495, 252 52A, 252 52R, C10M 110, C10M 302, C10M 502, C10M 704

Patent

active

041315529

ABSTRACT:
Release and lubricating composition for avoiding seizure between molten glass and metal molds for forming glass articles, for minimizing wear between mold sections and for improving the pack of glassware, comprising, a dispersion of graphite in a polyphenylene sulfide, molds having such composition coated thereon, and a method of applying the composition to molten glass contacting surfaces comprising dispersing the composition containing graphite with the polyphenylene sulfide in the form of small particles in a carrier, applying the dispersed composition to the glass contacting surface and then curing the coating at an elevated temperature, including curing resulting from hot molds during glassware production.

REFERENCES:
patent: 3025638 (1926-03-01), Krawetzke et al.
patent: 3354129 (1967-11-01), Edmonds et al.
patent: 3874862 (1975-04-01), Bickling et al.
patent: 3928673 (1975-12-01), Pardee et al.
patent: 3994847 (1976-11-01), Marcantonio et al.

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