醇解反应
- 网络alcoholysis reaction
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PBT的水解和醇解反应都在均相反应中进行。
Hydrolysis and alcoholysis of PBT both occurred in homogeneous phase .
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椰壳炭磺酸催化环氧苯乙烷的醇解反应
Alcoholysis of styrene oxide catalyzed by coconut shell char sulfonic acid
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醇解反应主要以氨酯键断裂方式进行,从降解产物上层分离物中可回收聚四氢呋喃(PTMG)。
The recycled Polytetrahydrofuran ( PTMG ) can be obtained from the glycolysis product .
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结合醇解反应机理,可知体系有序度的增加是由MAG醇负离子与叔丁醇分子间存在强作用力而引起的。
According to the reaction mechanism , the increased order of the system can be attributed to the solvation effect caused by the intense interaction between tert-butanol and MAG anion . 4 .
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催化剂对醇解反应的影响较为复杂,小于2%时,NaOH较强,反之,KOH则更为有效,两种催化剂均存在一最佳浓度范围;
When catalysts concentrations lower than 2 % , NaOH was more efficient to catalyze saponification reaction ; on the contrary , KOH was in efficiency . For both catalysts , there exists a best concentration range .
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对CH3SiHCl2的甲醇解产物进行气相色谱质谱联用分析,确定反应产物混合液的组成物质,并结合反应过程中SiH和SiCH3吸光度比值的变化,对醇解反应过程进行了研究。
In this paper , the alcoholysis products which were produced by CH_3SiHCl_2 and CH_3OH were examined by GC-MS. The composition of products was ascertained . The process of alcoholysis was studied through researching the change of the absorbency for Si-H and Si-CH_3 with reaction time .
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聚乙烯醇(PVA)是一种可降解的化工高分子化合物,但是自然界对它的降解效率较低,在工业上它是由聚乙酸乙烯酯进行醇解反应得到的。
Poly ( vinyl alcohol ) ( PVA ) is a kind of biodegradable synthetic polymer , but in the natural environment the efficiency of PVA degradation is low , and PVA is produced by the hydrolysis of poly ( vinyl acetate ) in industry .
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有机相酶催化不对称醇解反应拆分α-氰基苄醇乙酯及其反应动力学研究
Resolution of Alpha-Cyano-Benzyl Acetate Via Lipase-Catalyzed Asymmetric Alcoholysis in Organic Media
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氯硅烷的醇解反应及硅烷偶联剂的合成
The alcoholysis of chlorosilanes and the synthesis of silane coupling agents
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硫酸氢季铵盐催化环氧化物和氮杂环丙烷的醇解反应
Alcoholysis of Epoxides and Aziridines Catalyzed by Quaternary Ammonium Bisulfate
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褐煤超临界醇解反应与产物组成分析
Supercritical Methanolysis Reaction of Lignite and Compositional Aanalysis of Product
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固体酸催化环氧丙烷醇解反应活性研究
Study on Catalytic Activity of Solid Super Acid in Propylene Oxide Alcoholysis Reaction
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在滴流床反应器中油脂醇解反应的初步研究
Preliminary Study on the Alcoholysis of Oils and Fat in Trickle Bed Reactor
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醇解反应中的介质效应及其应用(Ⅱ)
Medium Effect in Alcoholysis Reaction and Its Application (ⅱ)
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亚肉桂基氯化物醇解反应的研究
Study of the Alcoholysis Reaction of Cinnamal Chloride
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聚酯醇解反应动力学研究
Study on Kinetics of Alcoholysis of Polyester
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用CNDO/2分子轨道法研究模拟活性染料的水解、醇解反应
Study on hydrolysis and alcoholysis of model reactive dyes by using CNDO / 2 method
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用正交试验设计法,找出影响醇解反应的因素,并排出因素主次和提出反应的最佳条件。
The factors of effecting the alcoholysis was found and provided the optimum reaction conditions .
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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 .
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加脂剂合成中的醇解反应
Alcoholysis Reaction in Fatliquor Synthesis
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通过比较有机溶剂体系和无溶剂体系,发现无溶剂体系更适合酶法催化醇解反应生产茶油异丙酯。
By comparing organic solvent system with solvent-free system , solvent-free system was more suitable for enzymatic alcoholysis of camellia oil .
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聚苯乙烯&醋酸乙烯酯互贯聚合物网络的合成与醇解反应醋酸与乙烯加成制取醋酸乙酯的新工艺
Synthesis and Alcoholysis of the IPNs of Styrene and Vinyl Acetate ; New Process to Prepare Ethyl Acetate from Ethylene and Acetic Acid Addition Reaction
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考察了催化剂对加成反应及原料配比、温度、填料大小等因素对醇解反应的各种影响。
Effect of reation conditions on the hydrosilylation and alcoholysis such as platinum catalyst , mixture ratio , temperature , size of filling were observed .
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油与多元醇经醇解反应,进而与聚醚或聚酯、二羟甲基丙酸、二异氰酸酯反应制得水溶性氨酯油。
Waterborne polyurethane resin is prepared by alcoholyzing oil with polyol at first , and then reacting with polyether ( polyester ), dimethylol propionic acid , diisocyanate .
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原料菜籽油和甲醇本身含有的微量水,可激活酶的催化活性,加快醇解反应速率,体系含水量过高反而使酶的活性有所下降。
Trace water ( contained ) in rapeseed oil and methanol increased the methanolysis reaction rate , but adding water in the reaction mixture was found to suppress the methanolysis reaction catalyzed by immobilized lipase .
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以制备的鱼油磷酸酯加脂剂为例,探讨了醇解反应中催化剂的影响,并提出了固体酸催化醇解反应机理是加成-消除反应;
Given an example of synthetic ester exchanging fish oil phosphate fatliquoring agent , the influences of catalyst on alcoholysis reaction were discussed . Meanwhile , reaction mechanism of solid acid catalyst was an addition-elimination procedure in the alcoholysis reaction .
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提出以折光指数的变化来确定醇解的反应时间;
Alcoholysis reaction time was determined by variation of refractive index .
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3-甲基环状乙撑磷酸二酯醇解的反应途径的理论研究
Theoretical Study on Reaction Pathways for Methanolysis of 3-Methyl Cyclic Ethylene Phosphate
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含β-羟基乙基磺酰胺硫酸酯基团的活性染料均相醇解和水解反应的研究
Homogeneous Alcoholysis and Hydrolysis for Reactive Dyes Containing β - hydroxyethyl Sulfamide Sulfate Group
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利用正交实验研究了醇解酯交换反应中的影响因素,并对产物进行了表征。
Influence factors in the process of glycolysis and esterification are researched by orthogonal experiments .