The deblocking reactions of the prepared blocked polyisocyanates were investigated by thermal gravimetric analysis and FT-IR.
采用热失重分析和红外光谱对封闭物的脱封反应进行了研究。
The emulsifiable polyisocyanates are particularly in formulations for producing paints and varnishes, coatings, adhesives, impregnating materials and sealants.
该可乳化的聚异氰酸酯特别可用在制造油漆和清漆、涂料、粘合剂、浸渍材料和密封剂用的制剂中。
The reaction between -NCO and water, dispersion of polyisocyanates in polyols, and complete diffusion among different kinds of molecules are key problems to be solved in 2k-WPU.
NCO与水的反应、多异氰酸酯难于在多元醇中的分散均匀以及组份间分子链扩散交联不充分，是研究水性双组份聚氨酯的关键问题。
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