The developing history, chemistry of spray polyurethane ( urea ) elastomers are simply introduced.
介绍了喷涂聚氨酯 ( 脲 ) 弹性体的发展简史及化学原理.
互联网
Objective To evaluate the characteristics of polyhexymethylene carbonate polyurethane urea ( PCU ).
目的评价聚六亚甲基碳酸酯聚氨酯脲 ( PCU ) 的性能.
互联网