| 摘要 |
A polymeric compound having a hardness from 50 on the Shore A scale to 65 on the Shore D scale and comprising a thermoplastic polyester urethane having a hardness from 50 to 90 on the Shore A scale, comprising a polyester, an isocyanate and a chain extender, wherein the ratio between the quantity of polyester and chain extender and the quantity of isocyanate is lower than 8:2, an aliphatic and aromatic copolyester with a hardness from 32 to 70 on the Shore D scale; and a non-phthalic plasticizer. |
