There are two types of polyols: polyester and polyether.
有两种类型的糖醇：聚酯和聚醚。
Polyester resins are the condensation products of polybasic acids and polyols.
树脂是多元酸和多元羟基化合缩聚而成。
This is because polyols with lower molecular weight needs more TDI to chain-extension.
这是因为低分子量的二醇需要更多的TDI来扩链。
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。
To develop toughening reagent for epoxy resins, a serial of novel polyethers polyols was synthesized.
为了开发新型实用的环氧树脂增韧剂，合成了一种新型聚醚多元醇。
The test results showed that the vulcanization of silica filled NR compound was accelerated by polyols;
试验结果表明 ，多元醇能促进白炭黑填充NR胶料硫化 ；
In this article, an overview of flame resistant polyols is given, and also the typical synthetic routes.
本文对各种类型多元醇的制备路线进行了总结，并介绍了几种具有代表性的合成方法。
In the new energy strategy based on biomass, polyols are becoming a new generation of green energy platform.
在基于生物质的新能源战略中，多元醇正在成为新一代的能源平台。
The non-aqueous solvent can include, but is not limited to polyols and glycols and associated mixtures thereof.
该非水溶剂可以包含但不限于多元醇、二醇及其混合物。
Gel Permeation Chromatography was used to determine the distribution and average molecular weight of polyether polyols.
用凝胶渗透色谱测定聚醚多元醇的相对分子质量及其分布。
They said a group of substitutes of sugar alcohols or polyols including xylitol and sorbitol can reduce the risk of cavities.
他们说，但是一些替代品或是多元醇例如木糖醇和山梨糖醇会减少蛀牙。
It is thus believed that the biomass-derived polyols will become new bio-platform molecules for renewable fuels and chemicals.
指出生物质多元醇将成为今后合成可再生燃料和化学品等的新型平台分子。
Novel furan polyols, use thereof as polyols in formation of polyurethanes, polyurethanes thus obtained and process for preparing same.
新型呋喃多元醇，作为合成聚氨酯的多元醇，所制得的聚氨酯及其制备方贩。
Several succinic acid polyester polyols were synthesized and used to prepare polyurethane elastomers having excellent solvent resistance.
合成了一种新系列丁二酸多元醇聚酯，并用它合成出耐酮类溶剂的聚氨酯弹性体。
A high solid elastic polyurethane prepolymer has been prepared based on MDI, PAPI, HDI, IPDI and polyester polyols and polyether polyols.
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。
This article introduces two types of system polyols PU - 2, PU - 3. They are used in the manufacturing of environmental protected refrigerator.
介绍了两种新型的用于环保型电冰箱的组合聚醚pu-2、PU -3，其可用来制造绿色冰箱中的聚氨酯绝热保温材料。
The effects of functionality and molecular weight of polyether polyols on the properties of one component polyurethane foam sealant were studied.
研究了聚醚多元醇的官能度及相对分子质量对单组分聚氨酯泡沫填缝（密封）胶性能的影响。
Experimental results show that properties of PU foams made of polyether polyols and polyisocyanate(PAPI) with six functional groups are the best.
结果表明：以六官能团的聚醚多元醇和有机多异氰酸酯（PAPI）制得的PU结构泡沫力学性能最优；
The effects of polyols type and polyols containing different ionic groups on physical mechanical properties of dry films and water absorption were studied.
研究了不同离子基团的聚酯多元醇和不同软段结构对其干膜物理机械性能和吸水率的影响。
The inventive polyether carbonate polyols may find use in producing polyurethane foams, elastomers, coatings, sealants and adhesives with improved properties.
本发明的聚醚碳酸酯多元醇可用于生产具有改善的性质的聚氨酯泡沫材料、弹性体、涂料、密封剂和粘合剂。
The technology of pilot scale run of electrostatic flocking onto rubber rug with MDI, polyols, toluene and tributyl phosphate as the raw materials was reviewed.
介绍了以二苯甲烷二异氰酸酯(MDI)、多元醇、甲苯和磷酸三丁酯为原料合成橡胶地毯用静电植绒胶的中试工艺路线。
Under the optimum conditions the recovery 92.3% of polyols (purity over 99.9%) in the final separation of the mother liquid on the ion-exchange resin has been achieved.
在优化条件下，对木糖醇结晶母液进行分离，得到去除糖组分的糖醇组分回收率为92.3%，完成了木糖醇结晶母液的阶段性分离纯化任务。
From how carry out the dispersion of polyisocyanate into polyols, the paper describes the mixing technology including force-dispersion, phase inversion, self-dispersion.
本文从如何实现多异氰酸酯在聚合物多元醇中分散的角度，综述了多异氰酸酯在聚合物多元醇中的分散技术。
Polyether polyols made by the inventive process may be used to produce improved polyurethane products such as coatings, adhesives, sealants, elastomers, foams and the like.
通过本发明方法制造的聚醚多元醇可以用于生产改性聚氨酯产物，例如涂料、粘合剂、密封剂、弹性体和泡沫塑料等。
A moisture curable one component waterproof coatings was prepared from polyether polyols, petroleum asphalt, toluene diisocyanate, diluent and a compatibility modifier, etc.
以聚醚多元醇、石油沥青、甲苯二异氰酸酯、稀释剂及相溶化助剂等为原料，制备了一种湿固化单组分防水涂料。
Poly (propylene carbonate) polyols was synthesized by the copolymerization of carbon dioxide with propylene oxide in the presence of double metallic catalyst in loop reactor.
以二氧化碳3环氧丙烷为原材料，在双金属氰化物催化剂催化下，利用环流反应器合成聚碳酸亚丙酯多元醇。
The manufacturing technique of polyether polyols was brief introduced. The reason for producing odor in synthesis process was analyzed, and the specific resolvent was proposed.
简要介绍了软泡用聚醚多元醇的生产工艺，分析了软泡聚醚多元醇在生产工艺过程中产生气味的原因，并提出了具体的解决方法。
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。
The polyether polyols prepared by these DMC catalysts are of low unsaturation, high relative molecular mass, narrow molecular distribution compared with traditional KOH catalysts.
实验发现，用DMC催化剂合成的聚醚与用KOH催化剂合成的聚醚相比不饱和度低，相对分子质量高，相对分子质量分布窄。
The polyether polyols prepared by these DMC catalysts are of low unsaturation, high relative molecular mass, narrow molecular distribution compared with traditional KOH catalysts.
实验发现，用DMC催化剂合成的聚醚与用KOH催化剂合成的聚醚相比不饱和度低，相对分子质量高，相对分子质量分布窄。
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