A closed chlorine circulation is formed in the isocyanate synthesis.
在异氰酸酯合成中形成闭合的氯循环。
Polyether-type isocyanate prepolymers are prepared with polyether polyols and tolylene diisocyanate.
采用聚醚多元醇和甲苯二异氰酸酯合成了聚醚型异氰酸酯预聚体。
A method of synthesizing acrylic ester 'coupling agent modified by isocyanate siloxane was introduced.
介绍了一种采用异氰酸酯硅氧烷改性丙烯酸酯偶联剂的合成方法。
Even these reactions do not exhaust the possibilities available to the highly reactive isocyanate group.
即使这些反应不耗尽的可能性高活性的异氰酸酯组。
An aromatic isocyanate is introduced into an IPN coating system to partly substitute the aliphatic isocyanate.
利用IPN技术将芳香族异氰酸酯引入互穿聚合物网络涂层，取代部分脂肪族异氰酸酯。
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。
Polyurethane (PU) pouring sealant was synthesized with polymer H and modified isocyanate K as basic materials.
选用聚合物H和改性异氰酸酯K为主要原料合成聚氨酯灌封胶。
Isocyanate curing agents which when heated or reacted with hydroxy functional polymers giving urethane coatings.
异氰酸酯固化剂在加热的情况下与羟基聚合物反应形成聚氨酯涂料。
The study realized the good blocking of isocyanate by sodium bisulfate with the mixing solvent of ethanol and water.
选用乙醇和水作为溶剂，实现亚硫酸氢钠对异氰酸酯的良好封闭。
The invention provides an isocyanate composite and a preparation method for scleroid polyurethane foam using the same.
本发明提供多异氰酸酯组合物及使用其的硬质聚氨酯泡沫的制造方法。
In the experiment, di-isocyanate, polyether diol and a hydrophilic chain-extender were used to synthesize aqueous urethane.
实验采用二异氰酸酯与聚醚二元醇、亲水扩链剂反应合成水性聚氨酯。
A reactive acrylic polyurethane coating based on hydroxyl-containing acrylic resin and non-yellowing isocyanate has been reported.
该丙烯酸聚氨酯涂料系由含羟基的丙烯酸树脂和非泛黄型异氰酸酯组成的反应性涂料。
The features of isocyanate trimer and physical properties of tri-n-butyl-phosphine for isocyanate trimer catalyzer were introduced.
简要介绍了多异氰酸酯三聚体的特点，以及多异氰酸酯三聚催化剂三正丁基膦的物理性质。
The influence of isocyanate indexes and the time of adding cellulose-acrylic acid graft water absorbent to resin properties were studied.
研究了异氰酸酯指数以及纤维素接枝丙烯酸类吸水剂的加入时间及用量等因素对材料性能的影响。
The main materials to such as isocyanate, polyol, blowing agent and foam stabilizer et al, prepare rigid polyurethane foam are introduced.
介绍了合成硬质聚氨酯泡沫塑料的主要原料，包括主体成分和发泡剂、泡沫稳定剂等；
As explained in Chapter 1, the urethane group is the product of the reaction of a hydroxy compound with an isocyanate group (reaction 4.8).
正如第1章解释，聚氨酯组是羟基化合物与异氰酸酯组的反应(反应4.8)的产品。
The effect of kinds of chain extender, active diluents and the structure of isocyanate on mechanical properties of the elastomer is discussed.
考察了扩链剂种类、活性稀释剂及异氰酸酯对聚氨酯灌封胶力学性能的影响。
By means of DSC, the unblocking temperature of blocked isocyanate adhesives and the key parameters that affected the unblocking were discussed.
本论文采用差示量热扫描仪（DSC）研究方法，探讨了封闭异氰酸酯的解封闭温度以及影响封闭产物解封闭的主要因素；
The invention is mainly prepared by crop straw, polyisocyanate or isocyanate prepolymer, water, foam kicker, foam stabilizer and foaming agent.
本发明主要由作物秸秆、多异氰酸酯或异氰酸酯预聚体、水、发泡催化剂、泡沫稳定剂和发泡剂制成。
The effects of water blowing agent, cross-linking agent, Isocyanate index and flame retardants on flame-retardant of the HR foam were discussed.
讨沦了水发泡剂、交联剂、异氰酸酯指数、阻燃剂等对泡沫阻燃性的影响。
Monocomponent acrylic cathodic electrophoretic coating was prepared by copolymerization of blocked unsaturated isocyanate and acrylate monomers.
在此采用封闭不饱和异氰酸酯与常用的丙烯酸酯类单体共聚制备单组分丙烯酸阴极电泳涂料。
The paper systematically studies the manufacture of aqueous vinyl polymer solution-isocyanate adhesive (API) through utilizing esterified corn starch.
对利用酯化玉米淀粉，制造水性高分子-异氰酸酯胶粘剂(api)的配方进行了系统的研究。
The main mechanical properties and dimension stability of WPC was studied which was made from recycled PP and wood particle with isocyanate being binder.
研究了用异氰酸酯树脂为胶粘剂，木材刨花与回收聚丙烯为主要材料的复合材料的主要力学性能和尺寸稳定性。
Modified epoxy resin was produced by adding the isocyanate-terminated prepolymer obtained from hydroxy-terminated butadiene-acrylonitrile copolymer (HTBN).
通过添加由端羟基丁二烯——丙烯腈共聚物(HTBN)制得的端异氰酸酯基预聚物，可改性环氧树脂。
The unblocking temperature of blocked isocyanate is decreased to some degree by adding a small amount of organotin accelerator and the reaction is quickened.
而微量的有机锡催化剂能在一定程度上降低封闭异氰酸酯的解封温度，加快反应速率。
But the GC/MS analysis showed that it is phenyl isocyanate. This may be due to neutral loss of aniline in the cleavage of diphenyl thiourea in GC/MS analysis.
但用GC/MS分析该晶体为异硫氰酸苯酯，这可能是在GC/MS分析过程中二苯硫脲发生了中性丢失苯胺的缘故。
The present invention also relates to a coating composition that includes magnesium powder and a silane modified epoxy isocyanate hybrid polymer or prepolymer.
本发明还涉及一种涂料组合物，其包括镁粉和硅烷改性的环氧异氰酸酯混合聚合物或预聚物。
Furthermore, it was showed that maleic anhydride and styrene grafted the main chain of PVC, and then reaction with isocyanate formed cross-linked structure by FTIR.
此外，通过红外表征测试表明交联PVC是通过马来酸酐和苯乙烯接枝到PV C主链上，然后与亚甲基二苯胺发生反应产生交联结构。
All the results indicate that interfacial polymerization between isocyanate and amine to form polyurea wall material is a quick, effective way for capsulation of wax.
实验结果表明由异氰酸酯与胺反应形成聚脲囊壁材料是一种快速、有效的包裹石蜡的方法。
All the results indicate that interfacial polymerization between isocyanate and amine to form polyurea wall material is a quick, effective way for capsulation of wax.
实验结果表明由异氰酸酯与胺反应形成聚脲囊壁材料是一种快速、有效的包裹石蜡的方法。
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