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讨论了醇解和缩聚的温度及时间等因素。The temperature and time of alcoholysis and polycondensation were discussed.

考察了脂肪酸甲酯醇解法制备单甘酯。The process of preparing monoglycerides by alcoholysis of fatty acid methyl esters was investigated.

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一般来说,含磷杂环化合物的水解反应和醇解反应较氨解反应容易发生。It is generally noted that hydrolysis or alcoholysis of phosphorus heterocycles are favoured over aminolysis.

在对硝基氯苯的醇解反应中,离子液体可以起到一定的相转移催化剂的作用。The ionic liquid can play a role of phase transfer catalyst in the alcoholysis reaction of nitrochlorobenzene.

本文着重讨论了卤代硅烷醇解反应的机理、条件与应用。In this paper the mechanism, conditions and alcoholysis reaction about halogenatedsilane were emphatically discusser.

氯乙酰氯用乙醇醇解转化成酯,进行气相色谱法定量分析。ChloroaceWl chloride, transformed into ester by alcoholysis with ethanol, was quantitatively analyzed by gas chromatography.

探索了反应时间、物料摩尔比、溶剂种类和用量对醇解产物收率的影响。Influences of the reaction time, molar ratio, type of solvents and their volume on the yield of alcoholysis products are investigated.

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分析了催化剂、醇解温度、反应物浓度等对醇解度的影响。The effect of the reaction time, temperature, the concentration of reactant and catalyst on the alcoholysis process were investigated.

讨论了利用硫代二丙腈直接醇解合成抗氧剂DLTP的方法,筛选出了最佳反应条件。The method of preparing antioxidant DLTP directly by alcoholysis of thiodipropionetrile is dealt with, and the optimal conditions are given.

氯矽烷醇解反应中生成的氯化氢对产物烷氧基矽烷有很大影响,必须将其去除。By-product hydrogenchloride should be removed completely from chlorosilanes alcoholysis reaction because of its adverse effects on alkoxy silanes.

摘要氯矽烷醇解反应中生成的氯化氢对产物烷氧基矽烷有很大影响,必须将其去除。By-product hydrogenchloride should be removed completely from chlorosilanes alcoholysis reaction because of its adverse effects on alkoxy silanes.

研究了醇解液中水含量、KOH含量和反应温度、反应时间等参数对醇解度的影响。The influence factors of alcoholysis, such as the concentration of water and KOH, reaction temperature and time on the alcoholysis degree are investigated.

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本文首次在醇解反应体系中采用滴流床反应器,取得很好的效果,值得进一步研究和推广应用。Trickle bed reactor was firstly used in the alcoholysis reaction system. The newtechnique is good enough to be adopted in further research and application.

以蓖麻油为主要原料,经醇解反应、与有机硅接枝、磷酸化反应合成了加脂剂含硅磷酸化酯交换蓖麻油。Silicon phosphorylated castor oil was synthesized using castor oil as the main raw material through alcoholysis , organosilicon grafting and phosphorylation.

变构菌素具有马来酸酐结构,极易水解、醇解且没有标准对照品,分离纯化过程困难。TMC is easy to hydrolyze and alcoholysis because of its maleic anhydride structure, and currently no standard is available, which makes it hard to be analysed.

叙述了以废聚酯饮料瓶为原料,经过醇解、酯化以及缩聚等工艺过程,制成透明聚酯清漆。Transparent polyester varnish is prepared through alcoholysis , esterification, condensation polymerization and et al with waste polyester drink bottles as materials.

结果表明,相对较低的醇解度可以有效控制纺丝过程中氢键的形成,提高易拉伸性和纤维的力学性能。The results showed that partially alcoholized PVA with lower degree of alcoholysis could decrease the chance of H-bond formation, and increase dr aw ability and fiber strength.

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设计了以国内生产的间甲酚为原料,经过乙酰化、氯化、再酯化和醇解等四步合成间羟基苯甲醇的合成路线。A new route to synthesize the target compound starting from m-cresol, which undergoes four steps including acetylation, chloration, esterification, and alcoholysis was proposed.

三角式和桨叶式搅拌器的分散作用都很好,都能促进对硝基氯苯的醇解反应,搅拌器搅拌速度的提高对反应有利。The dispersion of triangular stirrer and paddle stirrer are good, and they can promote the rate of alcoholysis of nitrochlorobenzene. Increasing the speed of stirring is favorable to reaction.