| abstract |
An object of the present invention is to provide excellent biocompatibility, moldability and mechanical properties, biodegradability, and excellent storage stability. An object of the present invention is to provide a biodegradable material such as a bone replacement material, an osteosynthesis material, a bone filling material, a dental material, a drug release control material, a bioactive substance release control material, and a method for producing the same. SOLUTION: A structural unit (a) derived from a lactic acid component, A lactic acid-based polymer (A) comprising a polyester structural unit (b) derived from a dicarboxylic acid component and a diol component, wherein the weight ratio of (a) / (b) is 98/2 to 20/80; The weight ratio of the calcium phosphate compound (B) is from 99/1 to A biodegradable material of 30/70, and a weight ratio of lactic acid-based polymer (A) to polyethylene glycol and / or poly (N-vinylpyrrolidone) (C) of 95/5. ~ 50/50 biodegradable material, and (A) / A biodegradable material having a (B + C) weight ratio of 99/1 to 50/50, and a method for producing the same. |