发明授权
US3427272A Water-soluble polyurethane produced by reacting an aldehyde and the reaction product of an organic diisocyanate and an anhydrous polyalkylene ether glycol 失效
通过反应二异氰酸酯和有机二异氰酸酯和无水聚亚烷基二醇甘油的反应产物生产的水溶性聚氨酯

Water-soluble polyurethane produced by reacting an aldehyde and the reaction product of an organic diisocyanate and an anhydrous polyalkylene ether glycol
信息查询
0/0