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硫酸化

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Nsted acid ionic liquids were inactive for the alkylation of isobutane with butene.In contrast,the chloroaluminate ioni c liquids were very active for the alkylation.However,the qualities of the alkylate oils using chloroaluminate ionic liquids were unsatisfied and worse than that of the products in the industrial sulfuric acid process obviously.

发现:所制备Bronsted酸离子液体无催化烷基化反应活性;而氯铝酸离子液体则具有很高的催化烷基化反应活性,但所得烷基化油质量较差,明显低于工业硫酸法水平。

Reaction temperature, reaction time and different distillate oil on the properties of petroleum sulfonate were studied.

本文以发烟硫酸和三氧化硫作为磺化剂,选用重烷基苯或石油馏分油,在不同的工艺条件下进行磺化反应,摸索了反应物配比、反应温度、反应时间和不同原料等条件对合成产物的性能影响,得出反应物配比是影响磺化收率的重要因素。

Main contents and conclusions of this dissertation are as follows:(1) SPEEK with different degree of sulfonation was synthesized by using sulfonation reactions of PEEK and concentrated sulfuric acid.

主要的研究内容和结论如下:1、以PEEK为原料、浓硫酸为磺化剂,制备了不同磺化度的磺化聚醚醚酮。

Veratrum aldehyde synthesis of many drugs intermediates, methyl aldehyde method for raw materials in Champlain, after dimethyl sulfate methylation available to 20% sodium hydroxide as the solvent, 10-11 in the PH value of the under the conditions of synthesis; microwave irradiation is the use of microwave radiation heating to replace the traditional approach to synthesis of a product of methylation reactions, this method does not require solvents, and less by-products, but still need to use 15% sodium hydroxide to adjust pH.

藜芦醛是许多药物合成的中间体,甲基化法以香兰醛为原料,经过硫酸二甲酯甲基化可得,以20%氢氧化钠为溶剂,在PH值为10-11的条件下合成;微波辐射法是利用微波辐射代替传统加热方式进行甲基化反应合成产物,这种方法不需要溶剂,并且副产物少,但仍需要用15%氢氧化钠来调节酸碱度。

Ketoheptamethylenimine was prepared by one-pot reaction of cycloheptanone with concentrated sulfuric acid. In this step, oximation and rearrangement occurred .

制备庚内酰胺时,我们采用了&一锅反应&的方法,环庚酮、浓硫酸和硫酸羟胺混合在一起,经过肟化、重排一次得到庚内酰胺。

Water, Sodium Laureth Sulfate, Cocamidopropyl Betaine, Cocamide MEA, Disodium Cocamphodiacetate, Sodium Lauryl Sulfate, PEG 40 Hydrogenated Castor Oil, Perfume, Sodium Chloride, Propylene Glycol, Quaternium 80, Methylparaben, Polyquaternium 10, Hydroxypropyl Guar Hydroxpropyltrimonium Chloride, Citric Acid, Diazolidinyl Urea, Tetrasodium EDTA, Polyquaternium 7, Propylparaben, Sodium Hydroxide, Panthenol, Persea Gratissima Oil, Penta Sodium Pentetate, Hedera Helix Extract, Bambusa Vulgaris Extract

水,月桂醇聚醚硫酸酯钠,椰油酰胺丙基甜菜碱,椰油酰胺MEA,椰油酰两性基二乙酸二钠,月桂醇硫酸酯钠,PEG 40 氢化篦麻油,香料,氯化钠,丙二醇,季铵盐-80,苯甲酸甲脂,聚季铵盐-10,羟丙基瓜尔胶羟丙基三甲基氯化铵,柠檬酸,重氮烷基咪唑脲,乙二氨四醋酸四钠,聚季铵盐-7,对羟基苯甲酸丙酯,氢氧化钠,泛酰醇,酪梨油,喷替酸五钠,常春藤萃取物,银竹萃取物。

A new polysilicate ferric aluminum was prepared by using water glass,ferric sulfate and aluminum sulfate as raw materials.The conditions of preparing PSFA were optimized: the polymerization degree of silicic acid is 0.5; the molar ratio of Fe3+ and Al3+ to SiO2 is 1: 1; the molar ratio of Fe3+ to Al3+ is 1: 1;and the degree of hydrolysis is 0.5;while the influence of the aging time on the coagulation property of PSFA is not obvious.

用水玻璃、硫酸铁和硫酸铝制取聚硅酸铁铝混凝剂,确定了制备PSFA混凝剂的优化条件:硅酸聚合度η为0.5,Fe3+及Al3+与SiO2的摩尔比为1: 1, Fe3+与Al3+的摩尔比为1: 1,水解度B*为0.5,而熟化时间对PSFA混凝剂的混凝性能影响不明显。

In this paper, the emulsifier sodium polyether sulfovinate modified polysiloxane was synthesized by sulfuric acid esterification between chlorosulfonic acid and polyether modified polysiloxane, then alkali neutralization. It was a kind of nonionic and anionic composite emulsifier.

本论文以聚醚改性聚硅氧烷为原料,进行硫酸酯化反应,并进一步用碱中和,合成了聚醚改性聚硅氧烷硫酸酯钠乳化剂,该乳化剂属于非离子、阴离子复合型乳化剂。

Then the aluminium sulfates were prepared by sulfation and salt formation, and their IR spectra were analyzed.

在此基础上再经硫酸酯化和成盐修饰制备了各自的硫酸酯碱式铝盐。

Light calcium carbonate, ACC, nanometer superfine calcium carbonate, magnesium carbonate, trihydrate alumina, silica white, strontium carbonate, barium carbonate, potassium carbonate, rubberlith, rongalite, permanent white, lemery, microspheroidal catalyst, magnesium hydrate, bluestone, nickel salt, sodium molybdate, sodium chloride, potassium chloride, calcium chloride, sodium fluoride, cryolite, iron oxide red, lithium hydroxide, zirconium hydroxide, calcium phosphate, sulfur, etc.

轻质碳酸钙、活性碳酸钙、纳米级超细碳酸钙、碳酸镁、氢氧化铝、白炭黑、碳酸锶、碳酸钡、碳酸钾、立德粉、保险粉、硫酸钡、硫酸钾、微球催化剂、氢氧化镁、硫酸铜、硫酸镍、镍酸铵、钼酸钠、氯化钠、氯化钾、氯化钙、氟化钠、冰晶石、氧化铁红、氢氧化锂、氢氧化镍、氢氧化锆、磷酸钙、硫磺等。

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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

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