Powder containing particles coated with polymer

Powder comprises composite particles, where: the composite particles are completely or partially coated with precipitated polymer particles of glass; and the glass particles have an average particle diameter of 3-100 mu m. Independent claims are included for: (1) the preparation of powder comprising...

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Bibliographische Detailangaben
Hauptverfasser:	Warnke, Kristiane, Diekmann, Wolfgang, Altkemper, Stefan, Monsheimer, Sylvia, Baumann, Franz-Erich, Stemmer, Heike, Hessel-Geldmann, Sigrid
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON DYES GENERAL PROCESSES OF COMPOUNDING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES PREPARATION OF CARBON BLACK SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	Powder comprises composite particles, where: the composite particles are completely or partially coated with precipitated polymer particles of glass; and the glass particles have an average particle diameter of 3-100 mu m. Independent claims are included for: (1) the preparation of powder comprising generating a solvent with a medium containing an organic solvent using a polymer under the action of pressure and/or temperature, where the solvent dissolves the polymer, in the presence of the glass particles, subsequently precipitating the polymer from the solution, and completely or partially coating the precipitated polymer with the glass particle to obtain the composite particles; and (2) producing moldings by a layer-by process comprising melting selective regions of the powder layer by introducing the electromagnetic energy, where the selectivity is achieved by the application of susceptors, inhibitors, absorbers or masks.