The results show that using complex acid catalyst the catalytic effect is good.
实验结果表明,采用复合酸催化剂具有良好的催化效果。
The synthesis of the epoxyfuroic-oleic butyl was studied by using of non-acid catalyst.
采用非酸催化剂,对环氧糠油酸丁酯的合成进行了研究。
Solid acid catalyst can be reused and recycled as well as non-pollution for environment.
所用固体酸催化剂可重复使用,且对环境无污染。
This article makes a new Survey on the research of esterification with solid acid catalyst.
综述了近年来我国固体酸催化合成酯的研究进展。
Glycol glucoside was prepared from glucose and ethylene glycol in the presence of acid catalyst.
在酸性催化剂下,由葡萄糖和乙二醇经缩醛化反应制备了乙二醇葡糖苷。
Study on Acid Modified Niobic Acid Catalyst for Synthesis of 2, 5 - Dimethyl - 2, 4 - Hexadiene.
酸处理铌酸对合成2,5-二甲基- 2,4 -己二烯催化作用的研究。
The solid acid catalyst attracted much attention as the transesterification catalyst in recent research.
固体酸性催化剂作为酯交换的催化剂是当前的研究热点。
Then we made super acid catalyst with the nano-ZrO_2 and studied oligomerization on naphthalene with the catalyst.
并对其进行改性,制成纳米二氧化锆固体超强酸催化剂。
A kind of solid acid catalyst can be used repeatedly as esterification catalyst to synthesize iso-octyl salicylate.
选用一种能重复使用的固体酸作催化剂,复相催化合成水杨酸异辛酯。
Synthetic method of butyl butyrate was investigated using silicotungstic acid catalyst absorbed on activated carbon.
用活性炭固载硅钨酸催化剂催化合成了丁酸丁酯。
The etherification reaction of propylene oxide with lower aliphatic alcohol over LA2 solid acid catalyst was studied.
叙述了环氧丙烷与低级脂肪醇在la2型固体酸催化剂上的反应。
Compared with conventional concentrated sulfuric acid catalyst, CC-1 featured much higher selectivity and easier operation.
与传统的浓硫酸催化剂相比,CC - 1催化剂具有更优异的选择性,操作更简便。
Etherification of methanol with ethylene oxide (EO) was investigated systematically on the pillared rare earth solid acid catalyst.
全面系统地考察了在层柱稀土固体酸催化剂上甲醇和环氧乙烷醚化反应。
Under the action of acid catalyst, the pitch resin was synthesized by using aromatic hydrocarbon enriched raw material from FCC slurry.
以催化裂化油浆富芳烃馏分为原料,在酸性催化剂的作用下合成了沥青树脂。
The tungstic acid catalyst was recovered by GH deposition agent, and in the meantime the intermediate product was converted to pentanedial.
用GH沉淀剂回收钨酸催化剂,同时将反应中间体进一步转化成戊二醛。
The effect of different acid catalyst and their content on foaming process as well as the microstructure of the phenolic foams was discussed.
讨论了不同酸固化剂及其用量在树脂发泡过程中所起的作用,以及对酚醛泡沫微观结构的影响。
The present invention relates to a high selectivity, high activing new type solid acid catalyst for esterification and its preparation method.
本发明为一种酯化反应用高选择性、高活性新型固体酸催化剂及其制备方法。
In this paper, the strong acid ion exchange resins have been studied as the solid-acid catalyst for the esterification of 4-hydroxybenzoic acid.
本文研究了一种固体酸催化剂—阳离子交换树脂催化剂,用于对羟基苯甲酸的酯化反应。
In the reaction process, the free fatty and resin acids react with the alcohol, with the aid of the acid catalyst, to yield the desired ester products.
在反应过程中,借助于酸催化剂,所述游离的脂肪和树脂酸与所述醇反应产生期望的酯产物。
The synthesis and refinement method of isoamyl acetate with solid acid catalyst are studied. The proper operating conditions of the experiment are given.
本文采用固体酸为催化剂,研究了乙酸异戊酯的合成及精制方法,并给出了适宜的实验操作条件.。
The invention relates to a method for preparing a sulfonated carbon solid acid catalyst, which uses a sulfonic aromatic compound to replace sulfuric acid.
本发明涉及一种以磺酸基芳香化合物代替硫酸制备磺酸化的炭质固体酸催化剂的制备方法。
The experimental results showed that nano-silica modified with acid catalyst for the recovery of polyethylene powder indicated the best mechanical properties.
实验结果表明,酸催化纳米二氧化硅改性胶粉对回收聚乙烯力学性能最好。
The present invention, thereby, provides a novel heteropoly acid catalyst having excellent methacrolein conversion rate, methacrylic acid selectivity and yield.
因此,本发明提供了一种具有优异的异 丁烯醛转化率、甲基丙烯酸选择性和产率的新型杂多酸催化剂。
The progress in the solid acid catalyst for the replacement of corrosive sulfuric acid, catalyst deactivation and regeneration, and reactor engineering was introduced.
重点介绍了代替浓硫酸催化该反应的固体酸催化剂、催化剂的失活与再生、反应器工业化的方法的进展。
The new process of preparing glycol polyglucoside by starch and glycol in the presence of an acid catalyst and a catalyst promoter through one step reaction has been studied.
研究了淀粉和乙二醇在酸性催化剂及助催化剂存在下一步直接合成乙二醇葡萄糖苷的工艺,考察了影响反应和产品性能的多种因素。
The solid acid catalyst of supported heteropoly acid used for the synthesis of linear alkylbenzene from benzene and dodecene was characterized by using XRD, SEM, TEM and FT-IR.
在固定床反应器和一定的反应条件下,考察了改变苯烯摩尔比对负载杂多酸催化剂催化合成直链烷基苯的活性和选择性的影响。
Acetylation between alcohol and benzoyl oxide was carried out using ZnBr_2 as a Lewis acid catalyst in solvent-free condition. Some structures were characterized by NMR and IR.
以溴化锌为催化剂,在无溶剂条件下实现了醇与苯甲酸酐的酰化反应,部分产物经NMR和IR表征。
Effect of constitute of catalyst, proportion of mixed acid, reaction temperature, feeding rate and service life of the mixed acid catalyst on synthesis of dimethyl ether were studied.
考察了混酸催化剂、反应温度、原料进料速率和催化剂寿命等对二甲醚收率的影响。
Effect of constitute of catalyst, proportion of mixed acid, reaction temperature, feeding rate and service life of the mixed acid catalyst on synthesis of dimethyl ether were studied.
考察了混酸催化剂、反应温度、原料进料速率和催化剂寿命等对二甲醚收率的影响。
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