FOAMABLE ACRYLIC RESIN PARTICLE

To provide foamable acrylic resin particles which enable production of acrylic resin foam particles that are excellent in in-mold moldability.SOLUTION: Foamable acrylic resin particles contain chain type saturated hydrocarbon, alicyclic hydrocarbon, and carboxylate that is ester of a carboxylic acid...

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Bibliographische Detailangaben
1. Verfasser:	GOTO JUMPEI
Format:	Patent
Sprache:	eng ; jpn
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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Beschreibung
Zusammenfassung:	To provide foamable acrylic resin particles which enable production of acrylic resin foam particles that are excellent in in-mold moldability.SOLUTION: Foamable acrylic resin particles contain chain type saturated hydrocarbon, alicyclic hydrocarbon, and carboxylate that is ester of a carboxylic acid and alcohol. The total carbon number of the carboxylate is 10 or more and 40 or less. The total of the content of the alicyclic hydrocarbon and the content of the carboxylate in the foamable acrylic resin particles is 1 pts.mass or more and 4 pts.mass or less with respect to 100 pts.mass of the resin component contained in the foamable acrylic resin particles. A mass ratio of the content of the carboxylate with respect to the content of the alicyclic hydrocarbon is 0.1 or more and 1.0 or less.SELECTED DRAWING: None 【課題】型内成形性に優れるアクリル系樹脂発泡粒子を製造可能な発泡性アクリル系樹脂粒子を提供する。【解決手段】発泡性アクリル系樹脂粒子は、鎖式飽和炭化水素と、脂環式炭化水素と、カルボン酸とアルコールとのエステルであるカルボン酸エステルと、を含有している。カルボン酸エステルの総炭素数が１０以上４０以下である。発泡性アクリル系樹脂粒子中の、脂環式炭化水素の含有量とカルボン酸エステルの含有量との合計が、発泡性アクリル系樹脂粒子に含まれる樹脂成分１００質量部に対して１質量部以上４質量部以下である。脂環式炭化水素の含有量に対するカルボン酸エステルの含有量の質量比が０．１以上１．０以下である。【選択図】なし