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溶剂分解

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Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation .

已知在液态HF中,也能说明两性行为溶剂分解或络合物形成作用的反应。

The results show that, using trioctylphosphane oxide or hexadecylamine as ligand, all of precursor [In(η5-C5H5)] decomposite and form the indium nanoparticles.

利用十六烷基胺或氧化三辛基膦配位体的作用,前驱体均可分解得到铟纳米颗粒;而在HDA相对含量高、溶剂中不含水和在紫外线照射作用下,前驱体分解反应产物为铟纳米线。

It is interesting that (1)hyperconjugation of the solvent's CF3-donor group prefers H4/H5 of BMI cation to H2, which can be explained by the steric hindrance of PF6 anion;(2) the various-temperature 19F spin-lattice relaxation times (T1) of CF3 show phase change, e.g.

藉由分析阳离子和三氟乙醇的扩散速率求得DD值,可以看到改善在乙醇形成大的基团,产生较强的分解,三氟乙醇的性质利用19F、1H化学位移,得到(1)CF3和阳离子H4、H5形成超共轭大於对H2,因为立体效应的关系,而藉由19F迟缓时间的数据,三氟乙醇展现相变化,由一到两各堆叠的离子对,和一个阴离子形成超阴离子的情形,因为溶剂而开始崩解,在继续分解可得到自由的阴阳离子。

These react with the filler surface via solvolysis generating an alcohol by-product.

这些钛酸酯是通过溶剂分解与填料表面发生反应的,还产生副产物醇。

The easy generation of middle-and-steady-state and special phase under the hydrothermal condition, enable to form matter which is hard to form in low melting point, high-pressure steam and in the melting state, and enable to the crystallization generation under hydrothermal condition, such as the high-temperature thermal decomposition.

在水热与溶剂热条件下中间态、介稳态以及特殊物相易于生成,能够使低熔点、高蒸气压且不能在融体中生成的物质,及高温分解相等在水热与溶剂热条件下晶化生成。

On the condition of using fatty acids of rapeseed oil as raw material,85% acetic acid as solvent, pelargonic acid as recrystalization solvent, this paper prepared azelaic acid and brassylic acid by ozonolysis ,oxidation decomposition ,recrystallization etc.

以蓖麻油酸为原料、85%醋酸水溶液为溶剂,经臭氧化、氧化分解、沸水萃取等过程制备壬二酸的最佳反应条件为:m:m(85%醋酸)=1:4,臭氧化温度20-25℃;氧化分解温度90-95℃,催化剂醋酸锰/醋酸铜用量为原料蓖麻油酸质量的0.09%,氧化分解4h,壬二酸的收率为62.5%。

The optimum conditions were obtained as follows: the weight ratio of fatty acids and 85%acetic acid is 1:4, ozonolysis temperature is 20-25℃, manganese/copper acetate as catalyst, and the amount of catalyst is 0.15% of fatty acids, oxidation decomposition temperature and oxidation decomposition time are 90-95℃ and 4 hours respectively. the yields of azelaic acid and pelargonic acid are 57.4% and 51.6% respectively.

以菜油酸为原料、85%醋酸水溶液为溶剂,经臭氧化、氧化分解、重结晶等过程制备壬二酸和十三烷二酸的最佳反应条件为:m:m(85%醋酸)=1:4,臭氧化温度20-25℃;氧化分解温度80-85℃,催化剂醋酸锰/醋酸铜用量为原料菜油酸质量的0.12%,氧化分解时间3h,重结晶溶剂壬酸的用量为5倍质量的氧化分解产物时,十三烷二酸的收率为58.3%,壬二酸的收率为57.2%。

Factors were reviewed, and optimum conditions was obtained,these experiments provide effective data for industrial manufacture.On the condition of using fatty acids of cottonseed oil as raw material,85% acetic acid as solvent,this paper prepared azelaic acid and pelargonic acid by ozonolysis, oxidation decomposition , extracted by boiling water,active carbon absorpting etc.

以棉油酸为原料、85%醋酸水溶液为溶剂,经臭氧化、氧化分解、沸水萃取、活性炭吸附脱色等过程制备壬二酸的最佳反应条件为:m:m(85%醋酸)=1:4,臭氧化温度20-25℃;氧化分解温度90-95℃,催化剂醋酸锰/醋酸铜用量为原料棉油酸质量的0.15%,氧化分解4h,壬二酸收率为57.4%,壬酸收率为51.6%。

It was described in this paper the effect of vinylene carbonate as additive on rechargeable lithium cell with carbon anode.

本文仅对碳阳极的锂离子二次电池添加剂做探讨。1添加剂的引入及作用锂离子在电解液中和溶剂分子形成溶剂化物,这些分子和锂离子一起插入石墨层,并在石墨层中发生电化学分解引起它的脱落。

By esterification, saponification, doubledecomposition and formulation, liquid rare earth of monoisooctyl phthalate complex heat stabilizer was prepared with phthalic anhydride, isooctyl alcohol, sodium hydrate, rare earth chloride, mixed solvent and other reagents. The optimum conditions are: the temperature of esterfication is 130~140℃,and the reaction time is 1h. The temperature and time of saponification is 60℃ and 10min respectively. The temperature of double decomposition is 60~70℃,and the reaction ti...

摘 要:以邻苯二甲酸酐、异辛醇、氢氧化钠、氯化稀土、混合溶剂、助剂为原料,通过酯化反应、皂化反应、复分解反应以及复配制备了以邻苯二甲酸单异辛酯稀土为主要成分的液态稀土复合热稳定剂,其工艺条件为:酯化反应的温度控制在 130~ 14 0℃,反应时间为 1h ;皂化反应的温度为 6 0℃,反应时间为 5min ;复分解反应的温度在 6 0~ 70℃,反应时间为 1h ;水洗温度控制在 6 0~ 6 5℃;混合溶剂的用量为 5 0 %,稀土含量为 6 0 3%;在复配过程中,采用亚磷酸酯作为辅助热稳定剂,其用量为 5 %~ 7%,PVC中加入 2 %的这种稀土复合热稳定剂,在185℃下,其热稳定时间为 4 5min。

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