METHOD FOR PRODUCING POLYMER POWDERS

The invention relates to the production of a polymer powder with improved pulverulent characteristics and to the use of said powder as an impact- resistance modifier for hard polyvinyl chloride (PVC) applications. The impa ct- resistance modifier consists of emulsion polymer particles with a core-sh...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LANDHERR, KENNETH, BOTHE, MARC, KLAUSMANN, MATTHIAS, WILDBURG, GERALD, WEISS, AXEL, NOLTE, RAINER, AMRHEIN, PATRICK
Format:	Patent
Sprache:	eng ; fre
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 WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to the production of a polymer powder with improved pulverulent characteristics and to the use of said powder as an impact- resistance modifier for hard polyvinyl chloride (PVC) applications. The impa ct- resistance modifier consists of emulsion polymer particles with a core-shell structure, said shell being composed of a hard polymer and the core of a sof t, vulcanised rubber polymer.