多亚甲基多苯基多胺是多苯基甲烷多异氰酸脂(MDI)的中间体。
Polymethylene polyphenyl polyamine is an intermediate product of polymethylene polyphenyl polyisocyanate (MDI).
一种固化剂4,2-及4,4-二苯基甲烷二异氰酸酯预聚物及其制备方法。
Curing agent 4, 2 '- and 4, 4' -methyl diphenylene diisocyanate prepolymer and preparation thereof.
报道了以二苯基甲烷二异氰酸酯（ MDI）、聚醚多元醇及三乙醇胺为原料合成硬质聚氨酯微球的方法。
The preparation of rigid polyurethane microsphere using MDI and N330 as the raw materials was reported.
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