Elastollan® C 78 A

热塑性聚氨酯弹性体（聚酯）

BASF Polyurethanes GmbH

产品说明:

Thermoplastic Polyester Polyurethane Elastomers with excellent mechanical properties. Outstanding tensile strength and high elongation at break, good damping characteristics, a high resilience performance and very good wear resistance.
Typical applications
Spiral tubing, pneumatic tubing, round belting, technical mouldings e.g. bushes, dust caps, seals, joints, blow moulded bellows, fan belts.

TPU(Thermoplastic polyurethanes)名称为热塑性聚氨酯弹性体橡胶，TPU是由二苯甲烷二异氰酸酯（MDI）或甲苯二异氰酸酯（TDI）等二异氰酸酯类分子和大分子多元醇、低分子多元醇（扩链剂）共同反应聚合而成的高分子材料。

它的分子结构是由二苯甲烷二异氰酸酯（MDI）或甲苯二异氰酸酯（TDI）和扩链剂反应得到的刚性嵌段以及二苯甲烷二异氰酸酯（MDI）或甲苯二异氰酸酯（TDI）等二异氰酸酯分子和大分子多元醇反应得到的柔性链段交替构成的。