Forming a lubricating and release coating on metal mold and trea

Details Forming a lubricating and release coating on metal mold and trea Forming a lubricating and release coating on metal mold and trea

1976-08-06

1979-02-20

Ives, P. C.

Stock material or miscellaneous articles

Composite

Of polythioether

428411, 428408, 428461, 428421, 428407, 428403, 428520, 428469, 427327, 427330, 260 292R, 260 37R, 65 26, 65169, 252 22, 252 29, B32B 2706, B05D 300, B05D 312

Patent

active

041408349

ABSTRACT:
Release and lubricating compositions are disclosed for avoiding seizure between molten glass and metal molds for forming glass articles and for improving the quality of glassware produced therefrom, comprising an aqueous dispersion containing polyphenylene sulfide, an inorganic binder, and a solid lubricant. The inorganic binder may be represented by the general formula MPO.sub.4 wherein M is a metal ion selected from the group consisting of aluminum, chromium, magnesium, iron and zinc. The particular solid lubricants include members selected from the group consisting of graphite, molybdenum disulfide, polyterafluorethylene, and mixtures thereof.

REFERENCES:
patent: 3810769 (1974-05-01), Blacker et al.
patent: 3874862 (1975-04-01), Bickling, Jr. et al.
patent: 3878113 (1975-04-01), Campbell et al.
patent: 4003867 (1977-01-01), Cooper et al.

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