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- The cathodic electrophoretic coating of epoxy resin was prepared with half blocked isocyanate as curing agent. 在此采用半封闭的甲苯二异氰酸酯作为固化剂制得了环氧树脂阴极电泳涂料。
- The properties of title adhesive comprising fully blocked isocyanate and polymer and additives was introduced. 介绍一种含全封闭异氰酸胶粘剂的性质。
- The catalytic effect of dibutyl tin dilaurate on thermal dissociation of blocked isocyanate crosslinkers by DSC was also discussed. 另外,还利用DSC,对二月桂酸二丁基锡对封闭异氰酸酯组分热解封温度的影响进行了讨论。
- The results showed:The adhesive properties were good on the metal using 30% cationic waterborne polyurethane and 15% blocked isocyan... 结果表明:30%25的阳离子水性聚氨酯溶液加入溶液质量15%25左右的封闭型异氰酸酯的胶粘剂对金属的粘接效果较好。
- Epoxy resin was allowed to react with aminosiloxane and organic amine, then to be neutralized with organic acid and emulsified in deionized water with blocked isocyanate as curing agent. 电泳漆膜的红外谱图表明,氨基硅油和环氧树脂反应、被电沉积到基材的表面,形成漆膜。
- Solvent-based and waterborne blocked isocyanate curing agents are p repared by blocked reaction of prepolymers, which is resulted from TDI and TMP, with MEKO or alcohols-ethers mixtures. 以甲苯二异氰酸酯、三羟甲基丙烷为原料合成预聚物,分别与甲乙酮肟和多种醇醚类混合物进行封端反应,合成溶剂性和水性封闭异氰酸酯固化剂。
- The kinetics and mechanism of the reactions of blocked isocyanates are reviewed and two urethane forming reaction mechanisms by which a blocked isocyanate can react with a nucleophile are provided. 近年来,随着人们对水性聚氨酯的重视和开发,封闭异氰酸酯的重视和使用程度进一步加大。
- The curing reaction of cationic polyacry-lates with blocked isocyanates and amino resin was studied. 摘要合成了阳离子型聚丙烯酸酯树脂,并分别用封闭型异氰酸酯及氨基树脂对其交联固化。
- The application of blocked isocyanates in formulating low-gloss powder coatings and water-dispersed powdercoatings is described. 介绍了封闭型异氰酸酯在制备低光泽粉末涂料和水分散性粉末涂料中的应用。
- The deblocking studies of blocked isocyanates reveal that the aromatic isocyanates undergo deblocking easily compared to aliphatic isocyanates. 对封闭异氰酸酯的反块效应的研究表明,芳香异氰酸酯进行反块容易脂肪族异氰酸酯相比。
- The deblocking reactions of blocked isocyanates were carried out under dynamic and isothermal conditions using hot-stage FTIR spectrophotometer. 封闭异氰酸酯的反应的块效应下进行动态和使用等温条件下进行热红外分光光度计阶段。
- The paper introduces a method of preparing the two layer-cathodic electrophoretic paint,based on polyamide modified epoxy resin as binder,blocking isocyanate as crosslinker and conductive fillers. 本文以聚酰胺改性的环氧树脂为基料,以封闭的异氰酸酯做交联剂,添加导电填料制成了可二次电泳的阴极电泳涂料,该涂料可制备综合性能优良的复合涂膜。
- The paper introduces a method of preparing the two layer-cathodic electrophoretic paint, based on polyamide modified epoxy resin as binder, blocking isocyanate as crosslinker and conductive fillers. 本文以聚酰胺改性的环氧树脂为基料,以封闭的异氰酸脂做交联剂,添加导电填料制成了可二次电泳的阴极电泳涂料,该涂料可制备综合性能优良的复合涂膜。
- He is a great guy, a chip off the old block. 他是一位好人,就像他父亲一样。
- Abstract A cationic polyacrylate resin was synthesized.The curing reaction of cationic polyacry-lates with blocked isocyanates and amino resin was studied. 摘要合成了阳离子型聚丙烯酸酯树脂,并分别用封闭型异氰酸酯及氨基树脂对其交联固化。
- Meanwhile, the article introduces factors influencing paint stability when blocked isocyanates are applied in one-pack waterborne paint or electrophoresis paint. 介绍了封闭型异氰酸酯树脂应用于单组分水性涂料和电泳漆时影响涂料稳定性的因素。
- A severe snowstorm blocked up railroads. 一场暴风雪使铁路中断。
- The trees outside the window blocked off the sun. 窗外的树木挡住了阳光。
- I have blocked in a plan of the house. 我已粗略地画出了房子的草图。
- My nose is all blocked up and I can't breathe. 我鼻子塞了,气都透不过来。