| abstract |
An object of the present invention is to provide a biodegradable copolymer having a sufficient high molecular weight, which has biodegradability, has practically sufficient mechanical strength, and is excellent in moldability. The method mainly comprises an aliphatic diol unit, an aliphatic dicarboxylic acid unit and a polyether polyol unit and / or a polyester polyol unit having three or more hydroxyl groups and a number average molecular weight of 200 or more. A biodegradable copolymer obtained by adding an aliphatic oxycarboxylic acid unit accordingly. [Selection diagram] None |