A raw rubber for millable polyether polyurethane elastomer was prepared.
研制了一种新型的聚醚型聚氨酯生胶。
2
The main types are cast polyurethane elastomer, millable polyurethane elastomer and thermoplastic polyurethane elastomer.
主要的类型有浇注型聚氨酯弹性体、混炼型聚氨酯弹性体和热塑性聚氨酯弹性体。
3
Path coefficient analysis indicated that the positive direct effect of millable stalks on cane yield was bigger than those of plant height and stalk diameter.