The catalytic performance of the secondary amine catalyst is generally superior to the primary amine and tertiary amine catalyst.
仲胺有机催化剂的催化性能优于叔胺和伯胺的催化性能。
A technique for continuous recovery and recycling of triethyl amine catalyst during production of glyphosate from dimethyl phosphite is discussed.
介绍了烷基酯法草甘膦生产中催化剂三乙胺回收的连续化工艺。
The synthetic technological conditions of dodecyl dimethyl tertiary amine oxide were studied by orthogonal experiments. The optimum synthesis conditions were obtained in the presence of catalyst.
采用正交试验法对十二烷基二甲基氧化胺的合成工艺条件进行了研究，获得了在催化剂存在下的最优合成条件。
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.
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。
The experimental results demonstrated that adding organic amine ST like complex could effectively improve the catalyst stability, keeping high activity and prolonging running cycle.
结果表明，复合有机胺类活性剂ST的加入可以在相对较长的时间内保持催化剂碱液的高催化活性，同时延长催化剂碱液的循环使用周期。
The invention relates to a catalyst for preparing low-grade aliphatic amine and a preparation method and application thereof.
本发明涉及一种制备低级脂肪胺的催化剂及其制备方法和应用。
A novel addition reaction of methyl phenyldiazoacetate to enamine(which was prepared from acetophenone and secondary amine) was investigated using copper salt as a catalyst.
在铜盐催化剂的作用下，重氮苯乙酸甲酯与吗啉衍生的烯胺能够发生一种新型加成反应。
The amine-modified polyether KL-1 sewage disposal agent was prepared with organic alcohol containing 1 ~ 4 hydroxy, epoxy chloropropane, organic amine as raw materials by catalyst.
以含1 ~4个羟基的有机醇、环氧氯丙烷和有机胺为原料，在催化剂作用下聚合成有机胺改性聚醚(KL - 1)污水处理剂。
Its preparation method, which mainly reacted by diphenyl amine and sulfur with catalyst, is introduced.
介绍了吩噻嗪的制备方法，主要是二苯胺与硫在催化剂存在下反应的方法。
A heterogeneous bifunctional catalyst was synthesized by incorporating chiral amine and acid groups into silica.
通过将手性胺和酸基团同时引入到二氧化硅表面制备得到了一种多相双功能催化剂。
The hydrogenation process comprises contacting an aromatic amine with hydrogen in the presence of a ruthenium catalyst under temperature and pressure conditions suitable to effect ring hydrogenation.
所述氢化方法包括使芳胺与氢气在适合于进行环氢化的温度和压力条件下接触。
A new deactivator with lower pour point was obtained by the reaction of coconut amine and ethylene oxide in the presence of 5% catalyst.
椰油胺和环氧乙烷在羟乙基化低级脂肪胺存在下反应制得二羟乙基脂肪胺低倾点新型杀活剂。
A new deactivator with lower pour point was obtained by the reaction of coconut amine and ethylene oxide in the presence of 5% catalyst.
椰油胺和环氧乙烷在羟乙基化低级脂肪胺存在下反应制得二羟乙基脂肪胺低倾点新型杀活剂。
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