发明授权
US4769436A Polyester polyalcohols containing amino and amide groups and poly (urea) urethane produced therefrom 失效
含有氨基和酰胺基团的聚酯多元醇和由其制备的聚(脲)氨基甲酸酯

Polyester polyalcohols containing amino and amide groups and poly (urea)
urethane produced therefrom
摘要:
A process for the manufacture of polyester polyalcohols with amino and amide groups by the reaction of polyester polyalcohols with polyamines is characterized in that unsaturated polyester polyalcohols if necessary in admixture with saturated polyester polyalcohols are used as polyester polyalcohols, and low molecular weight, aliphatic polyamines with two primary amino groups are used as polyamines.
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