在乙醚溶液制得的聚苯乙烯次甲基锂与甲基丙烯酸甲酯反应不能分离出聚甲基丙烯酸甲酯及它的接枝共聚物。
Neither polymethylmethacrylate nor polymethylmethacrylate-grafted copolymer could be isolated by the reaction of polystyrene methylene lithium prepared in ether solution with methyl methacrylate.
以正辛醇为原料,合成1-溴辛烷,并将1-溴辛烷与对羟基苯甲酸甲酯反应,然后水解,得到了4 -辛氧基苯甲酸。
1-bromooctane was manufactured by n -octanol as material, and reacted with methyl o -hydroxybenzoate, the 4-octanoxy benzoic acid was obtained.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲酯,然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
简述了分别以一氧化碳、二氧化碳与甲醇、二甲醚等进行羰基化反应合成碳酸二甲酯(DMC)的研究进展。
Advances in the carbonylation synthesis of dimethyl carbonate (DMC) from methanol or dimethyl ether with carbon monoxide or carbon dioxide were summarized.
在分子蒸馏预处理和单因素试验的基础上,采用响应曲面法建立脂肪酶催化反应生成的脂肪酸甲酯含量的数学模型。
The fatty acid methyl ester content model produced by an enzymatic reaction was presented by a response surface methodology (RSM) on the basis of molecular distillation and single factor experiments.
研究了在常压下、温度为308~328K的范围内,用阳离子交换树脂作催化剂的醋酸甲酯催化水解宏观反应动力学。
In this paper, the macro reaction kinetics on the hydrolysis of the methylacetate, catalyzed by cation exchange resins was studied at the atmospheric pressure and at the temperature range of 308~328K.
叙述了脂肪酸甲酯加氢制饱和甲酯的催化剂HG - 2的筛选过程,并讨论各工艺条件对加氢反应的影响。
The selection process of hydrogenation catalyst HG-2 for the preparation of saturated ME was described, and the effect of reaction conditions on the hydrogenation process were discussed.
研究了萃取反应法合成甲基丙烯酸甲酯( MMA)。
The synthesis of MMA by the extractive reaction method was studied.
以强酸性阳离子交换树脂为催化剂,经过自制的固定床反应器,使棕榈油脱臭馏出物(PODD)中的脂肪酸与甲醇起酯化反应,合成脂肪酸甲酯。
Fatty acid methyl esters were prepared by esterification in a fixed bed reactor from methanol and fatty acids in palm oil deodorizer distillate (PODD) using a cation exchange resin as catalyst.
讨论了催化剂用量、醇酸比、反应时间、反应温度等对合成富马酸二甲酯的影响。
The effects of the catalyst content, ratio of methanol to fumaric acid, reaction time and reaction temperature on the reaction were investigated.
本文介绍了对易挥发、具腐蚀性且组份之间存在可逆反应的含有甲酸、甲酸甲酯、甲醇和水等样品的GC分析。
In this article, analysis by GC of volatile and corrosive samples containing formic acid, formic ether, methanol and water among which there may be reversible reactions is described.
经过分析醋酸甲酯水解过程,可知利用催化反应精馏方法水解醋酸甲酯是可行的。
Based on the analysis of hydrolysis of methyl acetate, it was feasible that applied catalytic reaction distillation to hydrolyze methyl acetate.
它可以代替剧毒的光气和硫酸二甲酯作为环境友好的有机合成中间体和起始物质,应用与羰基化和甲基化反应中。
It can be use as an environment-friendly intermediate and starting material for organic synthesis substituting the poisonous phosgene and dimethyl sulfate in carbonylation and methylation reaction.
本文综述了对化学工业具有潜在经济价值的油酸甲酯和油醇的氢甲酰化反应的进展,并介绍了反应产物的应用前景。
In this text, the developments of hydroformylation of methyl oleate and oleyl alcohol, as well as the reactions and applications of its final products were reviewed.
这些化合物能均聚反应,亦易与苯乙烯、甲基丙烯酸甲酯及丙烯腈等乙烯类单体共聚合,得有色的高聚物。
These colored compounds can be homopolymerized and copolymerized with most vinyl monomers such as styrene, methyl methacrylate and acrylonitrile, to give the corresponding colored polymers.
在中试反应精馏塔中以浓硫酸为催化剂进行了醋酸与甲醇反应制备醋酸甲酯的试验。
Preparation of methyl acetate from methanol and acetic acid by reactive rectification was investigated with concentrated sulfuric acid as catalyst.
在间歇釜式反应器中,进行一氧化碳与甲醇羰基化合成甲酸甲酯的合成,考察甲醇钠碱性催化体系对反应的影响。
Sodium methoxide used as catalyst for the synthesis of methyl formate by carbonylation of methanol was studied, and effect of three kinds of promoter was investigated.
而在醋酸甲酯小分子水解反应中,纤维状催化剂每摩尔当量酸的催化活性几乎与树脂催化剂相等。
On other hand, the catalytic activity per equivalent acid of the fiber is almost equal to that of the resin in the case of methyl acetate hydrolysis.
研究了以过氧化苯甲酰(BPO)为引发剂、甲苯为溶剂的SBS接枝丙烯酸酯共聚反应。
The grafting-copolymerization of acrylate to SBS block copolymer in toluene solution with BPO as initiator was studied.
介绍了碳酸二甲酯与苯酚酯交换合成碳酸二苯酯的反应热力学。
Reaction thermodynamics of diphenyl carbonate (DPC) synthesis by the transesterification reaction from dimethyl carbonate and phenol is introduced.
采用一水合硫酸氢钠作为催化剂,催化己二酸生产副产物——混合二元酸与甲醇反应合成混合二元酸二甲酯。
Mixed dibasic acid dimethyl ester was synthesized from methanol and mixed dibasic acid, the byproduct of adipic acid, using sodium sulfate monohydrate as catalyst.
反应历程可能为甲醇首先均相催化羰化为甲酸甲酯,然后甲酸甲酯再多相催化氢解为甲醇。
The reaction pathway may involve a homogeneous carbonylation of methanol to methyl formate followed by the heterogeneous hydrogenolysis of methyl formate to methanol.
采用直接酯化法,将山梨酸与四种醇反应,合成了山梨酸甲酯、乙酯、丙酯、丁酯。
Methyl, ethyl, propyl and butyl sorbates were synthesized by esterification of sorbic acid with four kinds of alcohol respectively.
用自制的钼镍催化剂,经衣康酸和甲醇反应合成了衣康酸二甲酯。
With self-made Mo-Ni catalyzer, itaconic acid and carbinol are synthetised into itaconic acid dimethyl grease.
以C100型阳离子交换树脂作为催化剂,在间歇搅拌釜式反应器中测定了甲醇和醋酸合成醋酸甲酯的本征反应动力学。
The main work is as followings:The kinetics of the synthesis of methyl acetate was measured in a batch stirred reactor with C100 cation exchange resin as catalyst.
通过紫外光引发甲基丙烯酸甲酯的接枝聚合,在聚丙烯膜表面引入了反应性基团酯基。
The surface of polypropylene microporous membranes was activated by the graft polymerization of methyl methacrylate initiated with ultraviolet-photo.
实验还测定了反应温度、催化剂用量和水酯比对乙酸甲酯水解率的影响。
The effects of reaction temperature, catalyst amount and mole ratio of water to methyl acetate on conversion were investigated.
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.
应用红外光谱技术研究了在乙酸锌催化作用下1,5-萘二胺与碳酸二甲酯甲氧基羰基化反应机理。
The methoxycarbonylation mechanism of 1,5-naphthalene diamine with dimethyl carbonate catalyzed by zinc acetate was investigated by Fourier transform infrared spectroscopy.
应用红外光谱技术研究了在乙酸锌催化作用下1,5-萘二胺与碳酸二甲酯甲氧基羰基化反应机理。
The methoxycarbonylation mechanism of 1,5-naphthalene diamine with dimethyl carbonate catalyzed by zinc acetate was investigated by Fourier transform infrared spectroscopy.
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