FOAMABLE RESIN PARTICLE

To provide a foamable resin particle capable of preventing water leakage and molding a foamed molded body having high flexural strength and capable of producing a prefoamed particle enabling in-mold molding at a low molding pressure.SOLUTION: The foamable resin particle contains a copolymer of 98 to...

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Bibliographische Detailangaben
Hauptverfasser:	SUMIDA SHINJI, KUWADA YOTA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON 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 WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a foamable resin particle capable of preventing water leakage and molding a foamed molded body having high flexural strength and capable of producing a prefoamed particle enabling in-mold molding at a low molding pressure.SOLUTION: The foamable resin particle contains a copolymer of 98 to 99.9 mass% of styrene and 0.1 to 2 mass% of alkyl acrylate, a fatty acid ester having a melting point of 30°C or higher, fluid paraffin, a 5C or 6C cyclic aliphatic hydrocarbon and a 3-5C chain aliphatic hydrocarbon.SELECTED DRAWING: None 【課題】水漏れを防止でき、曲げ強度が高い発泡成形体の成形が可能であると共に、低成形圧での型内成形が可能である予備発泡粒子を得ることができる発泡性樹脂粒子を提供する。【解決手段】９８〜９９．９質量％のスチレンと０．１〜２質量％のアクリル酸アルキルエステルとの共重合体と、融点３０℃以上の脂肪酸エステルと、流動パラフィンと、炭素数５又は６の環式脂肪族炭化水素と、炭素数３〜５の鎖式脂肪族炭化水素と、を含有する、発泡性樹脂粒子である。【選択図】なし