STYRENIC RESIN EXPANDABLE PARTICLE, METHOD FOR PRODUCING THE SAME AND IN-MOLD EXPANSION MOLDED PRODUCT

PROBLEM TO BE SOLVED: To provide a styrenic resin expandable particle having flame retardance using a recovered material of a styrenic resin and to provide a method by which the styrenic resin expandable particle can simply and inexpensively be produced. SOLUTION: The styrenic resin expandable parti...

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Bibliographic Details
Main Authors YAMAMOTO SHINICHI, SUNAKAWA YASUYUKI, MAEDA TAMAO, SASAKI HIDEAKI
Format Patent
LanguageEnglish
Published 05.07.2007
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
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Summary:PROBLEM TO BE SOLVED: To provide a styrenic resin expandable particle having flame retardance using a recovered material of a styrenic resin and to provide a method by which the styrenic resin expandable particle can simply and inexpensively be produced. SOLUTION: The styrenic resin expandable particle is characterized as follows. The butadiene content of the resin detected by pyrolysis gas chromatography is within the range of 1-4 mass% and the bromine content of the resin derived from a bromine flame retardant detected by a fluorescent X-ray analytical method is within the range of 4-8 mass%. The styrenic resin expandable particle contains a foaming agent and is at least partially composed of the styrenic resin using the recovered material of the styrenic resin. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050367612