以间甲基苯甲酸和二甘醇为原料,钛酸四丁酯为催化剂合成了二乙二醇二间甲基苯甲酸酯。
Diethylene glycol binary m-methyl benzoate was synthesized with diethylene glycol and m-methyl benzoic acid in the presence of tetrabutyl titanate.
工程实践证明采用厌氧—两级好氧法处理高浓度甲基苯甲酸生产废水是一种经济有效的处理方法。
Engineering practice has proved that using the two-stage aerobic process for treating the wastewater from highly concentrated methyl-benzoic acid production is economical and effective.
阐述了精对苯二甲酸产品中对甲基苯甲酸的产生与分离原理,分析了影响对甲基苯甲酸含量的主要因素;
The generation and separation principle of PT acid in PTA products is elaborated, and the main impact factors for PT acid content are also analyzed.
在容积1升的反应釜中,在剧烈搅拌以消除膜阻的条件下研究了邻甲基苯甲酸空气催化氧化制间甲酚的反应。
The synthesis ofm—Cresol from o—toluic acid by air oxidation was studied in a 1 liter reactor under vigorous stirring conditions in order to eliminate film resistances.
通过由对氯甲基苯甲酸引发的苯乙烯原子转移自由基聚合(ATRP)合成了分子量可控、分子量分布窄的新型功能聚合物。
A novel type of functional polymer with designed structure, controlled molecular weight and low polydispersities can be prepared via ATRP (Atom Transfer Radical Polymerization).
它们是乙酸、苯甲醛、正葵酸、14-甲基十五烷酸甲酯、丙三醇、苯甲酸、6 ,9-十八碳二烯酸甲酯、角鲨烷、硬脂酸和二十烷基油酸酯。
They were acetic acid, benzaldehyde, n caproic acid, 14 methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester.
以邻二甲苯为原料、苯甲酸盐为催化剂进行液相氧化,一步合成邻甲基苯甲腈。
One step synthesis of o methyl benzonitrile with o xylene as raw material and benzene carbonate as catalyst was carried out in liquid phase oxygenation.
以溴代环己烷和苯甲酸乙酯为原料,经过两步反应合成了甲基丙烯酸二环己基苯甲酯。
With bromocyclohexane and ethyl benzoate as raw materials, dicyclohexylphenylmethyl methacrylate was synthesized by two steps.
研究用过氧化苯甲酸引发丙烯酸和甲基丙烯酸接枝熔喷聚丙烯非织造布的主要影响因素。
Main factors affecting the graft modification of acrylic acid and methacrylic acid onto melt - blown polypropylene nonwovens initiated by benzoyl peroxide are studied.
以过氧化氢为氧化剂,十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化苯甲醛制苯甲酸。
Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.
提高反应温度和增加催化剂浓度都能改变口-甲基苯乙烯的聚过氧化物的稳定性,使其开裂并最终转化为苯甲酸。
The yield of benzoic acid could be improved by increasing operational temperature and catalyst dosage which could accelerate cleavage of polyperoxide to form benzoic acid.
研究以焦性没食子酸衍生物2,3,4-三羟基苯甲酸为原料经过甲基化、水解、酸化和精制成2,3,4-三甲氧基苯甲酸。
Preparation method of 2,3,4-trimethoxybenzoic acid is introduced, which was synthesized from 2,3,4-trihydroxybenzoic acid by methylation, hydrolysis, acidification and purification.
研究以焦性没食子酸衍生物2,3,4-三羟基苯甲酸为原料经过甲基化、水解、酸化和精制成2,3,4-三甲氧基苯甲酸。
Preparation method of 2,3,4-trimethoxybenzoic acid is introduced, which was synthesized from 2,3,4-trihydroxybenzoic acid by methylation, hydrolysis, acidification and purification.
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