发明授权
US4692474A Method for preparing plastic foams 失效
制备塑料泡沫的方法

Method for preparing plastic foams
摘要:
Plastic foams are prepared by reacting a compound containing Si-bonded hydrogen and at least one SiC-bonded radical having a basic nitrogen atom in the same molecule with a hydroxyl-containing compound.
信息查询
0/0