| 摘要 |
The invention relates to a mixture of biodegradable polyesters comprising: (A) a polyhydroxy acid of the poly-epsilon-caprolactone type and its copolymers, (B) aliphatic polyester, and (C) a polymer of polylactic acid, in which the concentration of (A) varies with respect to (A+B) in the range between 40 and 70% by weight, and the concentration of (C) with respects to (A+B+C) lies between 2 and 30%. |
