Colored poly (urethane) urea powders

The instant invention relates to thermoplastic polyurea powders, optionally containing urethane groups, characterized by A. A SMOOTH, SUBSTANTIALLY SPHERICAL OR LENTICULAR SURFACE, B. AN AVERAGE PARTICLE DIAMETER OF 5 TO 1,000 mu , PREFERABLY 10 TO 200 mu , C. A UREA GROUP CONTENT, AND, OPTIONALLY,...

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Bibliographische Detailangaben
Hauptverfasser:	REIFF, HELMUT, WEBER, KARL-ARNOLD, DIETERICH, DIETER
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LAKES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The instant invention relates to thermoplastic polyurea powders, optionally containing urethane groups, characterized by A. A SMOOTH, SUBSTANTIALLY SPHERICAL OR LENTICULAR SURFACE, B. AN AVERAGE PARTICLE DIAMETER OF 5 TO 1,000 mu , PREFERABLY 10 TO 200 mu , C. A UREA GROUP CONTENT, AND, OPTIONALLY, A URETHANE GROUP CONTENT, OF 8 TO 30% BY WEIGHT, D. AN IONIC GROUP CONTENT OF 0.01-0.15 MILLIEQUIVALENTS PER GRAM OF SOLIDS, PREFERABLY 0.02-0.1 MILLIEQUIVALENT PER GRAM AND E. 0.1 TO 10% BY WEIGHT, PREFERABLY 0.2 TO 5% BY WEIGHT, OF AN ORGANIC DYE INCORPORATED IN THE POLYMER MOLECULE BY WAY OF AT LEAST ONE URETHANE AND/OR UREA GROUP, AND THE PROCESS OF MANUFACTURE THEREOF.