在采用高真空两级薄膜蒸发分离甲苯二异氰酸酯（TDI）-三羟甲基丙烷（TMP）聚氨酯固化剂中游离TDI的实验研究基础上，进行了中试研究。
The free toluene diisocyanate(TDI) in the curing agent TDI-TMP(Trimethylol Propane) of polyurethane was separated in laboratory by means of high-vacuum two-stage thin-film evaporation.
由HAR和六次甲基二异氰酸酯反应制备了性能优异的高固体分双组分丙烯酸聚氨酯涂料。
A double component coating, acrylic polyurethane with high solid and good performance, was prepared by the reaction of HAR and HDI.
油与多元醇经醇解反应，进而与聚醚或聚酯、 二羟甲基丙酸、二异氰酸酯反应制得水溶性氨酯油。
Waterborne polyurethane resin is prepared by alcoholyzing oil with polyol at first, and then reacting with polyether (polyester), dimethylol propionic acid, diisocyanate.
以淀粉乙二醇糖甙聚醚、多苯基多次甲基多异氰酸酯(PAPI)为主要原料，对聚氨酯硬质泡沫塑料的发泡工艺进行了研究。
A polyurethane (PU) rigid foam was prepared, using PAPI and the polyether polyols deried from starch ethylene glycol glycoside (EGG) as the main materials, and the foaming processing was studied.
该复合树脂含有二甲基丙烯酸酯单体和二异氰酸酯改性EAM新型基质树脂(udma)。
The composite contains a dimethacrylate monomer and a new matrix resin which is EAM resin modified with diisocyanate (UDMA), and it contains no MMA.
扩链剂是用来将聚二甲基硅氧烷两端活性较弱的羟基转变为高活性的异氰酸酯基。
The chain extender is used to convert the low-activity hydroxy groups of both ends of the polydimethylsiloxane into high-activity isocyanate groups.
六亚甲基二异氰酸酯(HMDI)可用在预聚物中代替甲苯二异氰酸酯〔tdi〕。
Hexamethylene diisocyanate (HMDI) may be used in prepolymer, in place of TDI.
六亚甲基二异氰酸酯(HMDI)可用在预聚物中代替甲苯二异氰酸酯〔tdi〕。
Hexamethylene diisocyanate (HMDI) may be used in prepolymer, in place of TDI.
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