VERFAHREN ZUR HERSTELLUNG VON VERBESSERTEN FORMMASSEN AUS KLEINTEILIGEN BLAEHFAEHIGEN STYROLPOLYMERISATEN DURCH BESCHICHTEN UND VERWENDEN DES BESCHICHTETEN PRODUKTES

VERFAHREN ZUR HERSTELLUNG VON VERBESSERTEN FORMMASSEN AUS KLEINTEILIGEN BLAEHFAEHIGEN STYROLPOLYMERISATEN DURCH BESCHICHTEN UND VERWENDEN DES BESCHICHTETEN PRODUKTES

A process for preparing improved molding materials of expandable styrene polymers by coating the particles with glycerin esters of long-chain fatty acids. The coating comprises organosols of pulverulent glycerin esters having 14 to 24 carbon atoms in aliphatic hydrocarbons having 3 to 8 carbon atoms...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEITHAEUSER,HORST,DR, OSTERHOFF,HEINZ, RIGLER,JOSEF-KARL,DR
Format: Patent
Sprache:ger
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING-UP
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Beschreibung
Zusammenfassung:A process for preparing improved molding materials of expandable styrene polymers by coating the particles with glycerin esters of long-chain fatty acids. The coating comprises organosols of pulverulent glycerin esters having 14 to 24 carbon atoms in aliphatic hydrocarbons having 3 to 8 carbon atoms. The proportion of glycerin monoester is at most 40, but not less than 10% by weight and the particle size of the pulverulent ester is less than 100 microns. The molding materials are used to manufacture molded articles.