Trimethylaluminum(TMA) was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
以三乙基铝(茶)和甲基溴为原料,在铁-锑络合物催化剂上反应合成了三甲基铝(TMA)。
The results show that using complex acid catalyst the catalytic effect is good.
实验结果表明,采用复合酸催化剂具有良好的催化效果。
Trimethylaluminum(TMA), usually used in organic catalysis and organic synthesis, was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系(铁-锑复合催化剂)催化三乙基铝(TEA)与溴甲烷进行烷基交换反应合成三甲基铝(TMA)。
The pore volumes of FCC equilibrium catalyst from Wuhan Petrochemical Complex demetallized by mixed acids 1# and 2# with various mass fractions were studied.
用复配的不同质量分数的1#混合酸和2#混合酸分别对武汉石化催化裂化平衡剂进行脱金属处理,并对处理后的催化剂孔体积进行了考察。
Various complex unsteady states were observed by the comparison of the catalyst surface temperature oscillations with the CO_2 concentration oscillations in products.
通过对比催化剂表面的温度振荡和产物中CO_2的浓度振荡观察到各种复杂的非稳态过程,加深了对产生化学振荡的机理认识。
Moreover, after the process of the homogeneous phase complex catalyst, 'effect of polymer' and 'microenvironment effect' would improve the catalytic ability of the catalyst.
此外均相络合催化剂多相化后,由于“高分子效应”和“微环境效应”还有可能改善催化剂的催化性能。
Formation of a dinuclear complex involving the oxidant, catalyst and the substrate has been proposed in the reaction mechanism.
通过研究在单核加成的基础上提出了催化剂、底物和氧化剂间生成双核加合物的反应机理。
Vapour phase hydrogenation of furfural was employed to produce 2 methylfuran through a copper ammonia complex catalyst.
采用负载型铜氨络合物催化剂进行糠醛气相加氢制2 甲基呋喃。
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 spent FCC catalyst was reactivated via organic complex method in an unbuffered system.
在非缓冲体系中用有机配位反应法对FCC废催化剂进行复活。
This paper introduces the synthesis of the high molecular weight polyether by using metalloporphyrin complex catalyst system.
介绍了用四苯基卟啉铝络合物催化体系合成高分子量聚醚的方法。
The Hollywood and Highland complex has been a major catalyst for the redevelopment of the area.
在好莱坞和高原复杂一直是该地区的主要催化剂为重建。
The result of selective oxidation of propylene exhibits comparatively complex behaviors, at different BiCe ratios of the catalyst. An unified reaction mechanism is presented in this article.
对稀土铈和钼酸铋不同比例的催化剂下,丙烯选择催化呈现的比较复杂的动力学行为,给出统一合理的机理。
The hydroxylation of phenol to produce dihydric phenol is a rapid and strongly exothermal reaction, the activity of the complex-oxide catalyst decreased rapidly.
苯酚直接羟化制备苯二酚为液固相的强放热快反应,催化剂的活性衰减很快。
The oil transesterification catalysts include usually used acid-base catalyst, solid base, lipase, iodine, metal complex, et al.
油脂酯交换催化剂有:常用酸碱催化剂、酶、固体碱、碘、金属配合物等。
The component of spent catalyst produced in organic silicon couplet synthetic is complex, and the platinum content is very important for catalysts behavior and recycling investigation.
有机硅偶联剂合成过程中产生的废催化剂成分复杂,其中铂含量的确定对研究催化剂的性能和回收有重要的影响。
Among them, (m-Aminobenzylamine) zinc complex was the best catalyst, for which the conversion efficiency was up to 99%.
间氨基苄胺的锌配合物的催化效果最佳,转化率高达99%。
The epoxidation of propylene to propylene oxide, using cumene hydroperoxide as oxidant, molybdenum glycol complex as catalyst and ethanol as solvent, has been investigated.
研究了以钼醇配合物为催化剂,过氧化氢异丙苯为环氧化剂,乙醇为溶剂的丙烯一步氧化制环氧丙烷的反应。
Progress on synthesis of post transition metal nickel complex and its application as catalyst in olefin polymerization was reviewed.
对后过渡金属镍络合物及其催化烯烃聚合的研究进展进行综述。
The structure forms of catalyst support for tubular fixed bed reactor underwent the evolution from complex to simple and from difficult to easy.
列管式固定床反应器催化剂支托的结构形式,经历了由繁到简、由难到易的演变。
A new process which produce copper sulfate pentahydrate and activated zinc oxide from the used catalyst by soaking in complex acid has been introduced in this paper.
本文介绍采用络合酸浸法以废甲醇催化剂为原料制备五水硫酸铜和活性氧化锌的新工艺。
Sodium citrate was used as a complex catalyst for the titanium trichloride to reduce insoluble azo dyes and pigments in acetonitrile-alcohol-water system.
本文提出了在乙腈- 乙醇-水混合溶剂中以柠檬酸钠作络合剂, 三氯化钛还原非水溶性偶氮染料和颜料。
The catalyst is characterized in that the catalyst is a tetradentate schiff base complex contains one or two organic base groups and has single active site initiation and controllable polymerization.
其特征是该催化剂系含有一个或两个有机碱基团的四齿席夫碱钴配合 物,具备单活性点引发和可控聚合。
Ultra high relative molecular mass cross-linked alkene polymer was synthesized by bulk polymerization using metal complex as catalyst and 1, 5-hexadiene as cross-linking agent.
以金属配合物为催化剂、1,5 -己二烯为交联剂,采用本体聚合法合成了交联超高相对分子质量烯烃类聚合物(简称交联聚合物)。
They based on the oxidative polymerization of 2,6-dimethylphenol(DMP) using cupric ammine complex catalyst.
这些方法是以2,6-二甲基苯酚通过铜铵络合催化的氧化聚合为基础。
The results on synthesis of tetracosene (C 24 olefins)by dimerization with a complex composed of Lewis acid (L) and complexing agent A as catalyst are reported.
研究以L酸和络合剂A配制的络合物为催化剂,用于四聚丙烯齐聚制备二十四碳烯。
The invention also discloses a preparation method for the novel complex, a catalyst composition containing the novel complex, and application thereof in ethylene oligomerization and polymerization.
本发明还公开了这种新颖配合物的制备方法,包含该新颖配合物的催化剂组合物及其在乙烯齐聚和聚合中的应用。
The activity of the complex as catalyst in ATRP was confirmed by polymerization of MMA and block copolymerization of styrene.
将该配合物作为催化剂成功地进行了MMA的A TRP反应,和苯乙烯的嵌段聚合,证实该化合物作为A TRP催化剂具有催化活性。
The present invention provides a novel catalyst composition comprising a metallocene complex, and a novel producing method for various polymer compounds.
本发明提供了含有金属茂配合物的新型催化剂组合物和用于制备各种高分子化合物的新型方法。
The present invention provides a novel catalyst composition comprising a metallocene complex, and a novel producing method for various polymer compounds.
本发明提供了含有金属茂配合物的新型催化剂组合物和用于制备各种高分子化合物的新型方法。
应用推荐