Methylenediphenyl diisocyanates and diamines 二苯基甲烷二异氰酸酯和二胺
NCO-envoloped polyurethane prepared with isophorone diisocyanates(IPDI), polyester polyhydric alcohol and dimethylolpropionic acid(DMPA) was enveloped with hydroxyl ethyl methyl acrylate(HEMA ). Then the system was neutralized with triethylamine (TEA) .
本文用异佛尔酮二异氰酸酯、聚酯多元醇和二羟甲基丙酸(DMPA)反应得到异氰酸根封端的聚氨酯，并用甲基丙烯酸羟乙酯对其进行完全封端，再用三乙胺对体系进行中和，然后使其乳化于水得到水性聚氨酯预分散体。
参考来源 - 丙烯酸改性水性聚氨酯的制备及结构表征·2,447,543篇论文数据，部分数据来源于NoteExpress
The diisocyanates used have included toluene diisocyanate.
所用的二异氰酸酯包括甲苯二异氰酸酯。
Novel diisocyanates for PU coatings, development trend of urethane prepolymer for coatings are described in this article. The applications of PU coatings in various industries are also presented.
叙述了聚氨酯涂料用新型二异氰酸酯，涂料用异氰酸酯预聚物的发展趋势，聚氨酯涂料及其在各个领域的应用概况。
On the other hand, the materials based on aliphatic diisocyanates are famous for their unchanged whiteness and they will not change to yellow when irradiated with ultraviolet, visible light or heated.
另一方面，基于脂肪族二异氰酸酯的材料以其独有的白色而著称，且其在紫外光、可见光和热条件下都不会变黄。
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