ANTIOXIDANT-CONTAINING FOAMABLE RESIN PARTICLES, METHOD FOR PRODUCING SAME, FOAMABLE PARTICLES, AND FOAM-MOLDED ARTICLE

Antioxidant-containing expandable resin particles including composite resin particles containing 100 to 400 parts by mass of polystyrene-based resin relative to 100 parts by mass of polypropylene-based resin, and a blowing agent and an antioxidant contained in the composite resin particles, wherein...

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Bibliographische Detailangaben
1. Verfasser:	MORIMOTO, Seiichi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS 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:	Antioxidant-containing expandable resin particles including composite resin particles containing 100 to 400 parts by mass of polystyrene-based resin relative to 100 parts by mass of polypropylene-based resin, and a blowing agent and an antioxidant contained in the composite resin particles, wherein the polypropylene-based resin is abundantly present on the surface of the composite resin particles and poorly present at the center of the particles, and the composite resin particles contain 150 to 1500 ppm of antioxidant.