| abstract |
A biodegradable polyester resin composition having excellent flexibility, gas permeability, and wet heat stability is provided. A biodegradable resin composition comprising a biodegradable polyester resin and a rosin alcohol alkylene oxide adduct. The rosin alcohol alkylene oxide adduct has a molecular weight of more than 5,000 and not more than 50,000, and the alkylene oxide is selected from at least one block selected from ethylene oxide, propylene oxide, butylene oxide, or at least two. Random copolymer. [Selection figure] None |