EXPANDABLE STYRENE RESIN PARTICLES, PRE-EXPANDED PARTICLES OF STYRENE RESIN, STYRENE RESIN FOAM MOLDED BODY, AND METHOD FOR PRODUCING EXPANDABLE RESIN PARTICLES

Expandable styrene resin particles include 2.0 wt % to 8.0 wt % of graphite, and the graphite has a mean particle size of 2.5 μm to 9 μm. The expandable styrene resin particles satisfy (i) a laser scattering intensity per unit solution concentration of the graphite is not less than 5 {%/(mg/ml)}/wt...

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Hauptverfasser:	Maruhashi, Shotaro, Nakayama, Ryoji, Suzuki, Kirito, Kutsumizu, Ryuta, Yano, Yoshihito
Format:	Patent
Sprache:	eng
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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creator	Maruhashi, Shotaro Nakayama, Ryoji Suzuki, Kirito Kutsumizu, Ryuta Yano, Yoshihito
description	Expandable styrene resin particles include 2.0 wt % to 8.0 wt % of graphite, and the graphite has a mean particle size of 2.5 μm to 9 μm. The expandable styrene resin particles satisfy (i) a laser scattering intensity per unit solution concentration of the graphite is not less than 5 {%/(mg/ml)}/wt %, (ii) an area of the graphite per unit solution concentration of the graphite in 1 mm2 is not less than 55 ({mm2/mm2}/{g/g}), or (iii) when the expandable styrene resin particles are pre-expanded and are made into an expanded molded product having an expansion ratio of 40 times, a value (%/wt %) obtained by dividing, by the content of the graphite (wt %), a percentage of an area occupied by the graphite in a surface layer of the expanded molded product (%), a quotient of which is further multiplied by 100, is not less than 100.
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subjects	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
title	EXPANDABLE STYRENE RESIN PARTICLES, PRE-EXPANDED PARTICLES OF STYRENE RESIN, STYRENE RESIN FOAM MOLDED BODY, AND METHOD FOR PRODUCING EXPANDABLE RESIN PARTICLES
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