dimethyl amine

surface active agents. fatty alkyl dimethyl amine oxides. determination of the amine oxide content. (european standard en 1791).

表面活性剂.脂肪族烷基二甲醇氧化胺.氧化胺含量的测定（欧洲标准EN1791）

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High purity tertiary amines can be obtained in one step by catalytic amination of n-atural fatty alcohols ( pure or mixed C12-C18 Carbon fraction) with dimethyl amine.

C（12-18）单碳或混合碳天然脂肪醇经与二甲胺常压催化胺化，可一步反应制得高纯叔胺。

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in this paper, an easy synthesis method of novel 12-3-12 gemini cationic surfactant were introduced from dodecyl dimethyl amine and epichlorohydrin in the lab. the structures of the product were characterized by the methods of ir and elemental analyzer.

以十二叔胺与环氧氯丙烷为主要原料，在实验室合成12-3-12型Gemini阳离子表面活性剂，终产物用傅立叶红外变换仪和元素分析仪进行定性分析，并对表面活性剂的性能进行了详细讨论。

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Long chain alkyl dimethyl amine is an important organic intermediate. Its main preparation process is the catalytic amination of fatty alcohol with dimethyl amine under the action of hydrogenation dehydrogenation catalysts.

长链烷基二甲基叔胺是一类重要的有机中间体，目前其主要的制备工艺是由脂肪醇和二甲胺在脱氢加氢类催化剂的作用下进行胺化反应。

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through screening test for the active ingredients it was identified that pd/ c catalyst has good selectivity for the ( reaction) of fatty nitriles with dimethyl amine to prepare alkyl-dimethyl tertiary amines.

通过对催化剂活性组分的筛选，钯/碳（Pd/C）催化剂对脂肪腈与二甲胺反应制备单烷基二甲基叔胺有良好的选择性。

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finally, gemini cationic surfactants were prepared by reaction of hexadecyl amide propyl dimethyl amine and bis ( 2-hydroxy-3-chloropropyl) alkylamines.

最后以十六酰胺丙基二甲基叔胺和二（2-羟基-3-氯丙基）烷基胺为原料反应制备Gemini阳离子表面活性剂。

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surface active agents - fatty alkyl dimethyl amine oxides - determination of the amine oxide content

表面活性剂.脂肪烷基乙烷胺氧化物.胺氧化物含量测定

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Studies on Phase Structures of N, N-Dimethyl-n-dodecyl Amine/ Inorganic Oxyacid System

N，N-二甲基正十二烷基胺/无机含氧酸体系的相态结构研究

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clean production for alkyl dimethyl amine

烷基二甲基叔胺的清洁生产

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a new method of spectrophotometric determination of trace amount of chromium(ⅵ) with high sensitivity-tetrakis ( 4 dimethyl amine ammonium phenyl) porphyrin

超高灵敏度测定水中痕量铬（Ⅵ）的新方法&四（4-二甲胺苯基）卟啉分光光度法

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A method for determination of dimethyl dodecyl amine oxide content by chemical analysis is mentioned.

本文提出了测定十二烷基二甲基氧化胺含量的化学分析法.

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comparison between loop reactor and agitating reactor in producing dodecyl dimethyl amine

环路反应装置与搅拌釜装置生产十二烷基二甲基叔胺的比较

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the newly developed catalyst dl-03 for industrial use is able to satisfy the aliphatic alcohol one-step synthesis of dialkyl methyl amine and alkyl dimethyl amine. the scaling-up in a 500 t/ a unit has been successfully done in one time.

开发的DL&03工业催化剂满足了醇一步法制单、双长链烷基叔胺反应，并在500t/a装置上进行放大，一次获得成功。

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in this paper, a new chloroform production process by reaction of chlorinated oil with dimethyl amine instead of lime is introduced, in which n, n-dimethyl methanamide is coproduct.

介绍了一种采用二甲胺代替石灰与氯油反应，在生产氯仿的同时联产N，N-二甲基甲酰胺的新工艺。

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the solid dimethyl dially ammonium chloride was synthesized with dimethyl amine and allyl chloride as raw materials by the method of double liquid phases and two steps.

以甲苯为有机相溶剂，二甲胺（水溶液）和烯丙基氯为原料，采用双液相二步法合成了固体二甲基二烯丙基氯化铵。

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analysis of the content of trimethyl amine in dimethyl amine

二甲胺中三甲胺含量的分析

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