Patent ID: 8076381

Claim:
Poly(3-hydroxyalkanoate) resin foamed particles being composed of a resin composition that comprises an isocyanate compound, and a polymer, poly(3-hydroxyalkanoate), having a recurring unit represented by the general formula (1): [—O—CHR—CH 2 —CO—] (1) wherein R represents an alkyl group represented by C n H 2n+1 , wherein n is an integer of from 1 to 15, produced by a microorganism, wherein the poly(3-hydroxyalkanoate) is poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) and the 3-hydroxyhexanoate is included in an amount of 1 to 20% by mole in the composition of copolymerizing components of the poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) wherein the amount of the isocyanate compound is 0.5 to 4 parts by weight per 100 parts by weight of the poly(3-hydroxyalkanoate).