| 摘要 |
It is intended to provide polyhydroxyalkanoate resin foamed particles having a biodegradability and favorable properties, a molded article thereof and a method of producing these resin foamed particles. Namely, resin foamed particles obtained by foaming a copolymer (hereinafter referred to as poly(3-hydroxyalkanoate); abbreviated as P3HA), which is produced by a microorganism, has a weight-average molecular weight of from 50000 to 2000000 and has a repeating unit represented by the general formula (1): [-CHR-CH2-CO-O-] (wherein R represents an alkyl group represented by CnH2n+1 and n is an integer of from 1 to 15), a molded article formed by using these foamed particles and a method of producing these foamed particles.
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