• 分析了不饱和羧酸酯化反应的机理。

    The esterification mechanism of unsaturated carboxylic acid was analyzed.

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  • 本文介绍了羧酸酯化反应催化剂的研究进展。

    The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.

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  • 考察了反应条件对酯化反应的影响和树脂的催化稳定性。

    The conditions of esterification reaction and the catalytic stability of the resin were investigated.

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  • 讨论了酯化反应,熔融聚合,固相聚合阶段的工艺条件。

    The process conditions in the stages of esterification, melt polymerization and solid state polymerization were discussed.

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  • 探讨了漆酚金属盐高分子复合试剂催化酯化反应的情况。

    In this paper, study on esterification reaction catalyzed with polymer compound of urushiol and metal salt was studied.

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  • 用硫酸氢钾催化苯甲醇与丙酸的酯化反应合成了丙酸苄酯。

    Benzyl propionate was synthesized by the esterification reaction of benzyl alcohol with propionic acid using potassium bisulfate.

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  • 研究了在催化剂存在下低酯化度果胶与甲醇进行的甲酯化反应。

    The methyl- esterification reaction of low -methoxyl pectin with methylalcohol by the presence of some catalysts was observed .

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  • 以高酸值油脂为原料,采用四氯化锡作为催化剂进行酯化反应。

    Because of plenty of fatty acids, high acid value oil must be esterified primarily.

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  • 依据实验结果,提出了固体酸催化剂作用下的液相酯化反应机理。

    Based on the experimental results the mechanism of liquid-phase esterification catalyzed by solid acid is suggested.

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  • 用正交试验确定了酯化反应的优化条件,酯化率达97.96%。

    The optimum conditions of the esterification reaction were determined with the yield of 97.96% by orthogonal experiment.

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  • 一种带共沸精馏分水的新型酯化反应实验装置用于合成乙酸异戊酯。

    A new esterification equipment with a water separator by azeotropic rectification was used to the synthetic reaction of isopentyl acetate.

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  • 研究了PTFE强酸性离子交换纤维材料在酯化反应中的催化性能。

    The catalysis of PTFE strong acidic cation exchange fiber was studied in esterification.

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  • 实验表明CLC在松香酯化反应过程中起了松香歧化反应的催化作用。

    It was proved that CLC was a catalyst responsible for the disproportionation reaction of rosin.

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  • 实验发现反应(分离)温度是影响酯化反应化学平衡移动的最重要因素。

    It was founded from experimentally that the reaction temperature is the most important parameter determining the shift of esterification equilibrium.

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  • 本文综述了壳聚糖硫酸盐的制备和作为催化剂在酯化反应中的应用研究。

    The preparation of Chitosan Sulfate and its application as catalyst in esterification were summarized.

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  • 采用缩合、季碱化及酯化反应研制了一种“178”碱性锌酸盐镀锌光亮剂。

    A called "178" brightening agent for alkaline zincate bath was prepared by condensation, quaternization.

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  • 采用聚苯乙烯负载三氯化铝为催化剂,对醋酸和苄醇的酯化反应进行了研究。

    The direct esterification of acetic acid with benzyl alcohol by use of polystyrene supported aluminium trichloride as the catalyst.

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  • 有机相中应用酯化反应,酶法催化拆分消旋醇是获得光学活性醇的重要途径。

    The main route for obtaining optically active alcohols is resolution of racemic alcohols catalyzed by enzyme in organic solvents by the esterification reaction.

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  • 研究了适宜的反应时间、原料配比、催化剂用量以及携水剂对酯化反应的影响。

    The influence factors such as reaction time, raw material ratio, amount of catalyst and toluene were investigated.

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  • 对改性植物油与有机硅接枝、 酰胺化、酯化反应进行了一系列的探索研究。

    A series of process of modified vegetable oil grafting with siloxanes, amidating with ethanolamine and esterifying was explored.

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  • 研究了环酐与苯胺和苯酚的酰胺化及酯化反应,优化了酰胺化及酯化反应条件。

    The amidation and esterification of different cyclic anhydrides with aniline and phenol gave different major products, and the routes were optimized.

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  • 获得了酯化反应、酯化缩合反应、缩聚反应以及二甘醇生成反应的动力学参数。

    The esterification, polyesterification, polycondensation and the formation of diethylene glycol (DEG) reaction kinetic parameters were obtained.

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  • 介绍了沸石分子筛固体酸和固体超强酸的结构特征及其在酯化反应体系中的应用。

    The structural character of zeolite solid acid and zeolite solid-Superstrong acid and their application in esterification reaction systems are presented.

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  • 树脂在酯化反应中生成的顺丁烯二酸酯的结构受热的影响会产生顺、反异构化反应。

    Under the influence of heat, the maleate structure formed in the esterification tends to isomerize into fumarate.

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  • 催化精馏技术应用于酯化反应体系,提高了反应的转化率、原材料利用率和产品收率。

    The conversion, the utilization rate of raw materials and the product yield of esterification reactions are raised by applying the catalytic rectification process.

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  • 概述了糠酸甲酯的性质、香气特征和应用,通过康尼查罗反应和酯化反应合成了糠酸甲酯。

    The properties, aroma characteristics and application of methyl-furoate were discussed. Methyl-furoate was synthesized by Cannizzaro reaction and esterification.

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  • 近年来,利用甲酸甲酯替代CO/CH3OH与烯烃的加氢酯化反应也逐渐成为研究热点。

    In recent years, special attention has also been devoted to hydroesterification of alkene using methyl formate instead of CO/CH3OH.

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  • 松香在新型催化剂(CLC)存在下与醇发生酯化反应,生成加纳色号2~4的浅色松香树脂。

    Lightcolored rosin ester with Gardner color 2-4 was prepared by reacting rosin with alcohol in the presence of a new CLC catalyst.

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  • 考察了硫酸浓度、浸渍时间、焙烧温度、焙烧时间对催化剂活性和反应时间对酯化反应的影响。

    The effects of sulfuric acid concentration, immersing time and the temperature and time of baking on catalytic activity and the reaction time on esterification were studied.

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  • 考察了硫酸浓度、浸渍时间、焙烧温度、焙烧时间对催化剂活性和反应时间对酯化反应的影响。

    The effects of sulfuric acid concentration, immersing time and the temperature and time of baking on catalytic activity and the reaction time on esterification were studied.

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