| 摘要 |
Provided is a polymer piezoelectric material which contains an optically active aliphatic polyester (A) with a weight-average molecular weight of 50,000-1,000,000, and a stabilizer (B) with a weight-average molecular weight of 200-60,000 and one or more functional groups selected from a group consisting of carbodiimide groups, epoxy groups, and isocyanate groups, wherein the degree of crystallization obtained by the DSC method is 20-80%, and 0.01-10 parts by weight of the stabilizer (B) are contained per 100 parts by weight of the aliphatic polyester (A); also provided is a manufacturing method thereof. |
