RESIN POWDER FOR IMPROVING PROCESSABILITY OF RIGID VINYL CHLORIDE RESIN

PROBLEM TO BE SOLVED: To provide a resin powder having processability improving power for a rigid vinyl chloride resin comparable with or superior to a conventional powder additive, being reduced in the amount of a fine powder fraction and having improved particle (powder) strength. SOLUTION: The re...

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Bibliographische Detailangaben
Hauptverfasser:	NAKANISHI YASUSHI, SATO MITSUTAKE, TAKAGI RYUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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:	PROBLEM TO BE SOLVED: To provide a resin powder having processability improving power for a rigid vinyl chloride resin comparable with or superior to a conventional powder additive, being reduced in the amount of a fine powder fraction and having improved particle (powder) strength. SOLUTION: The resin powder for improving the processability of a rigid vinyl chloride resin contains agglomerated particles formed by bonding a plurality of polymer particles with a plasticizer and/or a lubricant, has an average particle diameter D50 of 50-200 μm, and contains ≤6.0 mass% fine particles having a particle diameter of