4 -二恶烷是一个叫做乙氧基化的化学加工过程的副产品，在这个过程中，化妆品原料和环氧乙烷一起进行处理。
4-dioxane is a byproduct of a chemical processing technique called ethoxylation, in which cosmetic ingredients are processed with ethylene oxide.
结果表明：乙烯基三乙氧基硅烷可用作硅线石和双马来酰亚胺复合体系的偶联剂。
The results showed that triethoxy vinyl silane can be used as coupling agent of Sa (Sillimanite) and BMI composite.
高沸硅油是含有活性甲氧基、乙氧基基团的甲基硅油，容易固化成膜。
High boiling silicone containing activity is the base of group oxygen, easy solidified into methyl silicone membrane.
研究在脂肪醇乙氧基化物储存和搬运时的氧化稳定性。
The oxidative stability of alcohol ethoxylates during storage and handling is studied.
介绍了近年来脂肪醇乙氧基化窄分布催化剂的研究进展。
The development of narrowly distributed catalysts for the ethoxylation of fatty alcohol is summarized.
二乙氧基甲烷因其独特的性质而广泛地应用于有机合成中。
The applications, preparations and separations of diethoxymethane are reviewed in this paper.
研究了以无水碳酸钠为催化剂，红霉素肟与甲氧基乙氧基氯甲醚(MEMC)为原料，一步合成罗红霉素的实验过程。
The experimental process on synthesis of roxithromycin was studied by using erythromycin oxime and MEMC as raw material under the catalytic action of anhydrous sodium carbonate.
研究了5A分子筛固载铂催化剂的制备，并对它催化乙炔与三乙氧基硅烷硅氢加成反应的催化效果进行了探索。
The preparation of 5A zeolite supported platinum catalyst, and its catalytic capabilities for hydrosilylation reaction of acetylene with triethoxysilane were studied.
乙氧基化制得的烷基酚聚氧乙烯醚产品分子量分布窄，浊度高，外观色泽好，副产物聚乙二醇（PEG）低。
The polyoxyethylene alkyl phenyl ether obtained by calcium oxide catalyst had perfect quality with narrow molecular weight distribution, high cloud point, good appearance and low by - product PEG.
目的：探索4（2氯乙氧基）二苯酮的合成条件，包括原料配比、反应时间等。
Objective:In order to find the best condition for the synthesis of 4 (2 chloroethoxy)benzophenone, including the proportion of material, the time of reaction.
报道了1-溴-1- 乙氧基环丙烷的合成路线和实验室百克量工艺条件。
This paper reports the synthetic method for 1-bromo-1-ethoxy cyclopropane and the best synthetic conditions for hectogram production in the laboratory.
是取化基，如乙氧基、甲氧基及它们的环氧和烷氧同系物或卤基。
R "is a replaceable function, e. G. Acetoxy, methoxy, their acyloxy and alkoxy homologs or halo."
本文对吡嘧黄隆生产中的原料和中间体氰乙酸乙酯，乙氧基甲叉氰乙酸乙酯和吡唑胺进行了致敏性试验研究。
The sensitization of raw material and intermediate of pyrazosulfuron-ethyl was studied using guinea pig. The result indicated that ethoxy methylene cyanacetic ester is sensitive agent.
妥尔脂肪酸与乙氧基化三乙醇胺的酯化物；
Fatty acids, tall-oil, esters with triethanolamine, ethoxylated;
研究了乙氧基化和丙氧基化月桂酸乙醇酰胺磺基琥珀酸单酯钠盐的表面活性。
Surface active properties of disodium ethoxylated and propoxylated lauric acid ethanolamide sulfosuccinates were studied.
研究在脂肪醇乙氧基化物储存和搬运时的氧化稳定性。
The oxidative stability of alcohol ethoxylates during storage and handling is studied. Realistic conditions are modelled by heating in quiescent air.
本发明涉及聚苯基甲基乙氧基硅烷改性环氧树脂及其电子封装材料的制法。
The invention relates to polyphenyl methylsiloxane modified epoxy resin and a manufacturing method of an electronic packaging material thereof.
乙醇氧化经裂解反应、脱氢反应最终形成支链反应，乙氧基c 2h5o的三种同分异构体在链分支中决定了链分支的进行方向。
The unimolecular decomposition and dehydrogenation of ethanol initiate the branched chain reaction, and the 3 isomers of radical C2H5O determine the direction of the reaction chain branching.
甲基二烯丙基硅烷是一种重要的有机硅中间体，采用甲基三乙氧基硅烷和烯丙基氯通过格式反应制得。
Diallylethoxylmethylsilane is an important silicone intermediate. It was prepared by reaction of methyltriethoxylsilane with allyl chloride grignard reagent.
考察了几种生物酶作为脂肪醇乙氧基化催化剂的催化活性。实验发现脂肪酶在乙二醇存在的条件下，能使环氧乙烷开环聚合生成脂肪醇聚氧乙烯醚。
Ethoxylation of n_octanol catalyzed by a few of enzymes were studied and the results showed that only lipase with glycol has a certain catalytic activity.
结果表明，这种催化剂的催化活性高，合成乙氧基化产物分子量分布窄，色泽好。
The results showed that this type of catalyst possesses not only high catalytic activity but also narrow distribution property, and the color of ethoxylates are also good.
本文报道通过亚稳离子和精确质量测定，讨论了1，1—二氯—2—乙氧基—2—芳基烯烃的质谱裂解规律。
A study on the mass spectrometric cleavage of 1, 1—dichloro—2—ethyloxy—2—AryIolefins by metastable ions and precise mass measurement is reported.
报道了对2-乙基-4-乙氧基-6-羟基嘧啶的工艺条件进行优化研究的两种方法。
Two methods for optimizing the process of synthesizing 2-ethyl-4-ethoxy-6-hydroxypyrimidine were reported.
该法所得乙基纤维素产品的乙氧基含量为4 3 98%。
The content of ethoxyl group in obtained product was 43 98%.
通过改变硫酸二乙酯的用量、水杨酸甲酯与氢氧化钾的反应时间、氢氧化钠的用量，得到了2-乙氧基苯甲酸的优化制备工艺条件。
The reaction conditions of 2-ethoxybenzoic acid were optimized by changing the amount of diethyl sulfate, reaction time of methyl salicylate and potassium hydroxide, the amount of sodium hydroxide.
报道肉芝软珊瑚素的重要中间体6-甲基-8-三甲硅氧基-6-烯-2-酮-1-辛酸乙酯的合成。
This paper reports the synthesis of 6-methyl-8-trimethylsiloxy-oct-6-ene-2- one-1-acid acetate.
通过实验设计出一条新的合成2-氨基- 4 -甲氨基- 6 -乙氧基均三嗪的路线，并经过正交实验确定了最佳反应条件，产品总收率为61.5%。
A new method of preparation of 2-amino-4 -methylamino-6-ethoxys-tri - azine is found. And the optimum reaction conditions are determined by orthogonal experiments. The total yield is 61.5%.
通过实验设计出一条新的合成2-氨基- 4 -甲氨基- 6 -乙氧基均三嗪的路线，并经过正交实验确定了最佳反应条件，产品总收率为61.5%。
A new method of preparation of 2-amino-4 -methylamino-6-ethoxys-tri - azine is found. And the optimum reaction conditions are determined by orthogonal experiments. The total yield is 61.5%.
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