给出了聚氨酯预聚物合成的粘度控制方法。
Gives the viscosity control method of polyurethane prepolymer preparation.
最常用于制备聚氨酯预聚物要么是聚酯或聚醚。
The prepolymers most frequently used for the preparation of polyurethanes are either polyesters or polyethers.
提出一种新的测试聚氨酯预聚物合成反应过程中氨酯化反应和支化反应的动力学参数的理论模型 。
A theoretical model for the reaction kinetic of the urethane and branching reaction of polyurethane prepolymer is proposed.
合成了一系列不同结构的丙烯酸聚氨酯预聚物，重点讨论预聚物的分子结构及相对分子质量对紫外光固化反应的影响。
A series of acrylic-polyurethane resin with different structure were prepared, and the influence of the structure and molecular weight of the polymers on UV-curing reaction was studed.
采用半预聚物法合成了以L - MDI、DMTDA、P PO为原料的双组分rim聚氨酯弹性体。
The RIM polyurethane elastomer was prepared by means of quasi-prepolymer process, with L-MDI, DMTDA, PPO as materials.
介绍了泥浆泵护套用聚氨酯胶的配方和制作工艺，并对预聚物中—NCO含量和MOCA用量进行了考察。
The formulation and preparation process of polyurethane for underlayer of slush pump were introduced. The effects of -NCO content of prepolymer and MOCA rate were studied.
介绍了用苯甲酸改性的含羟基醇酸树脂和甲苯二异氰酸酯（TDI）预聚物的合成工艺，以及由二者制成醇酸型聚氨酯涂料的方法；
The synthetic process of a prepolymer based on benzoic acid modified hydroxyl alkyd resin and toluene diisocyanate (TDI) prepolymer and the coatings made from this prepolymer has been described.
采用MDI、PAPI、HDI、IPDI等不同的异氰酸酯和聚酯多元醇、聚醚多元醇等反应，制备高固体分的聚氨酯弹性体预聚物。
A high solid elastic polyurethane prepolymer has been prepared based on MDI, PAPI, HDI, IPDI and polyester polyols and polyether polyols.
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。
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.
简述水性聚氨酯制备方法，并对丙酮法和预聚物分散法所制产品性能进行比较。
The preparation methods for aqueous polyurethane are introduced briefly. The properties of products prepared by acetone process and prepolymer mixing process are compared.
为了形成微孔聚氨酯材料，在表面活性剂存在下用惰性气体使该氨基甲酸酯预聚物发泡，随后固化。
To form a microcellular polyurethane material, the urethane prepolymer is frothed with inert gas, in the presence of a surfactant, then cured.
本文制备湿固型MDI- 聚醚基聚氨酯热熔胶，研究了MDI-聚醚预聚物结构、增粘树脂等对胶粘剂剥离强度的影响。
The hot-melt moisture cure PU adhesives have been prepared. The effects of the structure of the MDI-polyether prepolymer, tackify resins on peel strength of the adhesives have been studied.
所谓复杂化学文联型聚氨酯网络是指固化体系中含有官能度大于4的预聚物及固化剂固化形成的交联网络。
The complex chemical crosslinking PU network means that a PU network is cured from the curing system which includes the prepolymer and curing agent with the functionality more than 4.
以聚酯（PEA、PEPA）或聚醚（PTMG）和TDI为原料合成聚氨酯预聚体，用三异丙醇胺 （TIPA）和1，4-丁二醇（BDO）的混合物作扩链剂制备聚氨酯弹性体。
A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).
以聚酯（PEA、PEPA）或聚醚（PTMG）和TDI为原料合成聚氨酯预聚体，用三异丙醇胺 （TIPA）和1，4-丁二醇（BDO）的混合物作扩链剂制备聚氨酯弹性体。
A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).
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