MOLD RELEASE COATINGS FOR GLASS FORMING OR PROCESSING EQUIPMENT AND RELATED METHODS

In one aspect, a pressing unit is provided, comprising: a mold and a plunger, and a coating configured on at least one of: the surface of the mold and/or the surface of the plunger, where the coating is configured adjacent to the areas where molten or hot glass or glass ceramic touches; wherein the...

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Bibliographische Detailangaben
Hauptverfasser:	JOHNSON, Benedict Yorke, PALUMBO, Aniello Mario, BOURCIER, Roy Joseph
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	In one aspect, a pressing unit is provided, comprising: a mold and a plunger, and a coating configured on at least one of: the surface of the mold and/or the surface of the plunger, where the coating is configured adjacent to the areas where molten or hot glass or glass ceramic touches; wherein the coating comprises: a mold release coating, configured as the gob-contacting surface, wherein the mold release coating comprises: at least two solid lubricants selected from tungsten disulfide, boron nitride, glassy carbon and graphite; and a thermal barrier coating comprising barrier material components and an organo-silica binder.