The result of the paper provide a basis for the industrial scale separation of polyols.
研究结果为工业规模分离多元醇提供了理论依据。
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。
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 ;
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。
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。
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。
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。
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。
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 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。
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 influence of polyester resin, polyols, and pigments on performance of topcoat and influence of application technology on compatibility between primer and topcoat are discussed.
讨论了耐雨蚀面漆中聚酯树脂、多元醇和颜料对其性能的影响,施工工艺对耐雨蚀涂层与底涂层之间配套性能的影响。
The effects of polyols and isocyanates on the morphologies, mechanical properties, printing adaptability and cohesion properties of the polyurethane resins were studied respectively.
研究用于印刷油墨的单组分溶剂型聚氨酯树脂,考查聚合物多元醇和异氰酸酯对树脂微观形态、机械性能以及印刷适应性和附着性等性能的影响。
It was pointed out that controlling the trace water and acid value in the polyester polyols was the key procedure to prepare the polyurethane materials suitable for making cast mould.
指出控制聚酯多元醇的含水量和酸值是制备聚氨酯铸模材料的关键。
It was found that when the adding amount of low molecular polyether increased, the viscosity of the prepared polymer polyols increased, and the graft onto polyether was more difficult.
发现随着低分子量聚醚份量增大,所合成的聚合物多元醇粘度增大,聚醚接枝就更加困难。
The working theory of the stabilizer in the dispersion of polymer polyols and the synthesizes of the stabilizer are summarized. The effect for quality of polymer polyols is introduced.
简要介绍了聚合物多元醇中稳定剂的作用原理、合成方法及其对聚合物多元醇产品质量的影响。
The polyether polyols which has higher molecular weight, narrower molecular weight distribution and lower unsaturation can be prepared by using double metal cyanide (DMC) complex catalysts.
用双金属氰化物(DMC)络合催化剂可制得相对分子质量高、相对分子质量分布窄和不饱和度低的聚醚多元醇。
Polymer polyether polyol composites (PPOCs), which are stable dispersions of glassy polymers in polyether polyols, provide a feasible method for particle reinforcement of polyether materials.
聚合物聚醚多元醇(PPOC)是由微米级聚合物粒子在聚醚多元醇中原位形成的稳定粒子分散体,它为聚醚材料的粒子增强提供了方便的途径。
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.
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 series of rigid PU foams based respectively on maleopimaric acid ester polyols , rosin-maleicanhydride adduct ester polyols and turpentine-maleic anhydride adduct ester polyols were synthesized.
以马来海松酸酯多元醇、马来松香酯多元醇和松节油马来酐加成物酯多元醇为基,制备了硬质聚氨酯泡沫塑料。
But boron also exhibits rapid and significant phloem mobility in species for which sorbitol, mannitol, or dulcitol are the primary photosynthates since these polyols can effectively complex boron.
而对于以山梨醇、甘露醇、半乳糖醇等多元醇为光合作用初级运输物的植物中,硼可以与多元醇形成络合物而在韧皮部中自由运输。
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