DE2132360

The composns. contain (A) 5-20 wt.% solid particles of 0.075 mm size of PTFE with mol. wt.=150000 and/or tetrafluorethylene/perfluorpropylene co-polymer, (B) 40-85 wt.% particles of 0.075 mm size of one or more inorganic solids consisting of metal sulphides (except alkali or alkaline earth sulphides...

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Bibliographische Detailangaben
Hauptverfasser:	GROSSE, DIETMAR W.., 8000 MUENCHEN, SCHIEFER, HARRY M., 8033 KRAILING, LAUX, RAYMUND W., 8047 KARLSFELD
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS
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Beschreibung
Zusammenfassung:	The composns. contain (A) 5-20 wt.% solid particles of 0.075 mm size of PTFE with mol. wt.=150000 and/or tetrafluorethylene/perfluorpropylene co-polymer, (B) 40-85 wt.% particles of 0.075 mm size of one or more inorganic solids consisting of metal sulphides (except alkali or alkaline earth sulphides) metal oxides (except alkali oxides), metal fluorides, graphite, boron nitride, BaSO4, asbestos, glass fibre, other fibrous silicates or carbon fibre, and (C) 10-55 wt.% heat-setting solid epichlorohydrinbisphenol A condensate, novolak resin with multi-epoxy functionality or cyclo-aliphatic epoxy resin. Prefd. materials contain 7.5-12.5 wt.% PTFE, 60-80 wt.% MoS2 and ZnS in equal amounts, and 10-25 wt.% epichlorhydrinbisphenol A condensate cross-linked with 1,2,3,4-cyclopentane tetracarboxylic acid dianhydride. The composns. are suitable for producing bearings by cold-pressing and heating, giving excellent mechanical props. and extremely low friction.