PROCESS FOR PREPARING FINE POWDER POLYUREA AND GREASES THEREFROM

Polyurea compounds are prepared by reacting amines and polyisoyanates in the presence of a liquid diluent in a high-pressure impingement mixing device under conditions sufficient to produce polyurea compounds having the consistency of a powder and in which diluent is dispersed.

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Bibliographische Detailangaben
1. Verfasser:	BAUM, Mark, William
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON FUELS LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	Polyurea compounds are prepared by reacting amines and polyisoyanates in the presence of a liquid diluent in a high-pressure impingement mixing device under conditions sufficient to produce polyurea compounds having the consistency of a powder and in which diluent is dispersed.