POLYESTER RESIN COMPOSITION

To provide an aliphatic polyester resin composition containing poly(3-hydroxyalkanoate) in which molding processability is improved, and a molded body by molding the same.SOLUTION: There is provided a polyester resin composition containing poly(3-hydroxyalkanoate) and dipeptides containing one or bo...

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Bibliographic Details
Main Authors FUKUDA RYUJI, SASHIWA HITOSHI
Format Patent
LanguageEnglish
Japanese
Published 22.07.2019
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Summary:To provide an aliphatic polyester resin composition containing poly(3-hydroxyalkanoate) in which molding processability is improved, and a molded body by molding the same.SOLUTION: There is provided a polyester resin composition containing poly(3-hydroxyalkanoate) and dipeptides containing one or both of phenylalanine and asparaginic acid as constitutional amino acid. Dipeptides may be aspartame and content thereof may be 0.05 to 15 pts.wt. based on 100 pts.wt. of the poly(3-hydroxyalkanoate).SELECTED DRAWING: None 【課題】ポリ(3−ヒドロキシアルカノエート)を含む脂肪族ポリエステル樹脂組成物において、成形加工性が改善された樹脂組成物、及び、それを成形してなる成形体を提供すること。【解決手段】ポリ(3−ヒドロキシアルカノエート)と、フェニルアラニン及びアスパラギン酸のいずれか一方若しくは両方を構成アミノ酸とするジペプチド類とを含む、ポリエステル樹脂組成物。ジペプチド類は、アスパルテームであってもよく、その含有量は、ポリ(3−ヒドロキシアルカノエート)100重量部に対して0.05〜15重量部であってもよい。【選択図】なし
Bibliography:Application Number: JP20180002735