polyester polyol
- 网络聚酯多元醇;聚醚多元醇;聚酯型多元醇
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Study on the synthesis method of polyester polyol
聚酯多元醇的合成方法研究
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The Application of Polymer Polyester Polyol in Sole Materials
聚合物聚酯多元醇在鞋底料中的应用
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This paper introduced the synthetic methods of the aromatic polyester polyol and its property .
介绍以芳烃聚酯多醇为主体的双组份,干式复合用聚氨酯胶粘剂的合成方法及其性能。
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High solid content polyurethane dispersion synthesized with polyester polyol based on dimer fatty acid
用二聚酸聚酯二元醇制备高固体物含量聚氨酯分散体
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Study on Reaction Kinetics of Curing Agent Synthesis of Diisocyanate Terminated Polyester Polyol
二异氰酸酯封端聚酯多元醇型固化剂合成反应动力学的研究
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The synthesis of aromatic polyester polyol and its apply on the foam structure adhesive
苯酐聚酯多元醇的合成及其在泡沫结构胶粘剂上的应用
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The production process and performance of an aromatic polyester polyol and application on the hard polyurethanes foam structure adhesive was introduced .
针对夹层结构的特点,通过对聚氨酯泡沫的各主要组分及发泡工艺的研究,研制出了一种适用于夹层结构的硬质聚氨酯泡沫。
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The high temperature nitrogen dehydration method is to synthesize the certain molecular weight polyester polyol under the protection of nitrogen at high temperature .
高温氮气脱水法是在氮气保护下,高温合成聚酯多元醇。
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Synthesis and Characterization of the High Solid Content Polyurethane Dispersion Which Made from the Polyester Polyol , Which Based on the Dimer Fatty Acid
基于二聚酸多元醇的高固含量聚氨酯分散体的合成及乳液性能
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A flame retardant rigid polyurethane foam was prepared from benzoic anhydride polyester polyol and isocyanurate .
以国产苯酐聚酯多元醇为主要原料制备了组合聚醚,再与多异氰酸酯反应,制备了阻燃型聚氨酯硬质泡沫。
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The effect of the polyester polyol structures , different diisocynatates and different extenders on solvent resistance of polyurethane elastomers were investigated .
考察了聚酯多元醇结构、多异氰酸酯种类、扩链剂种类及合成工艺对聚氨酯弹性体机械性能和耐溶剂性能的影响。
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Some affecting factors on properties of the adhesive were discussed , including relative molecular weight of polyester polyol , Chain-extender , isocyanurate index and water .
讨论了聚酯多元醇的相对分子质量、扩链剂、异氰酸酯指数、水分等对聚氨酯油墨连接料性能的影响。
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Polyurethane elastomers with low hardness and solvent resistance were prepared by reacting MDI-50 , TDI-65 and TDI - 80 with polyester polyol respectively .
分别采用MDI-50、TDI-65和TDI-80与聚酯多元醇反应制得低硬度耐溶剂聚氨酯弹性体制品。
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Thermoplastic polyurethane hot melt adhesive ( PUHMA ) was prepared used polyether / polyester polyol as soft segments , diisocyanate and chain extender as hard segments .
本文以聚醚/聚酯多元醇为软段,二异氰酸酯与扩链剂为硬段,制备了热塑性聚氨酯弹性体型聚氨酯热熔胶(简称聚氨酯热熔胶)。
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This paper introduced the synthetic method of the aromatic polyester polyol and its property . Discussed the effects of reaction temperature and reaction time on the reaction of aromatic polyester polyol and adhesives property .
介绍了芳烃聚酯多元醇的合成方法及特征,讨论了反应物配比、温度、反应时间对合成芳烃聚酯及胶粘剂性能的影响。
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But it is difficult for end point determination in modified polyester polyol system . Therefore potentiometric titration is used for determination of acid number of polyester imide , as well as pH indicators .
但是对于改性聚酯多元醇,用酚酞作为指示剂其终点难以判断,故采用电位滴定法测聚酯亚胺多元醇的酸值,同时使用各种酸碱指示剂用来指示滴定终点,结合两者得出一个最佳的指示剂。
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In connection with the adhesive film , its mechanical property was dependent upon molecular weight of polyester polyol ; and its peel strength was upon molar ratio of NCO / OH .
讨论了聚酯多元醇分子量对胶膜力学性能的影响,NCO/OH(摩尔比值)对剥离强度的影响;
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In this study , A thermoplastic polyurethane hot melt adhesives based on polyester polyol of adipic acid series as soft segments , isocyanate and chain extender as hard segments is prepared .
本研究是以己二酸系聚酯二醇为软段,二异氰酸酯与扩链剂生成的链段为硬段,制备了热塑性聚氨酯弹性体型聚氨酯热熔胶;
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The average functionality of used oligomer polyols is relatively low . The relative molecular mass is400 ~ 6000 . Which commonly used are polyether polyol 、 polyester polyol 、 polybutadiene polyol and so on .
所用低聚物多元醇平均官能度较低,相对分子质量为400~6000,常用的有聚醚多元醇、聚酯多元醇和聚丁二烯多元醇等。
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The vacuum dehydration method is often used for producing polyurethane in industry , that is , in the condition of vacuum , the binary acid and the polyol are condensed for synthesizing the certain molecular weight polyester polyol with catalyst acetate .
工业上生产聚酯多元醇常采用真空脱水法,即在真空条件下以醋酸盐为催化剂,二元酸和二元醇进行缩聚反应,合成一定分子量的聚酯多元醇。
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Novel modified polyols for polyurethane , including polymer polyol , polyurea polyol , polymeric polyols and unsaturated polyester polyol are summarized . In this paper the discussion is centered on the widely used polymer polyol and polyurea polyol .
综述了各种聚氨酯用改性聚醚多元醇,包括聚合物多元醇、聚脲多元醇、聚合多元醇和不饱和聚酯多元醇等,重点介绍了应用比较广泛的聚合物多元醇和聚脲多元醇。
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The initial potentials of polyester imide polyol and standard curve of acid number are given , which are helpful for determination of the acid numbers of different samples at same conditions .
提供了聚酯亚胺多元醇起始电位值与酸值的标准曲线图,能快速、简便地查出相同条件下不同样品的酸值。
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Polyurethane foam is a type of foam materials with isocyanate and polyether ( or polyester ) polyol as principal components , processed via special foaming technics , which possesses the excellent properties of light weight , heat insulation , sound absorption and shockproof etc.
聚氨酯泡沫塑料是以异氰酸酯和聚醚(或聚酯)多元醇为主要成份,经特殊发泡工艺制作而成的泡沫材料,具有质量轻、隔热、吸音、防震等优良性能。