用氯醇法生产的环氧丙烷中所合杂质除有乙醛、丙醛外,还有烃类、环氧化物、卤代烷、丙酮、醇类等。
Chlorohydrin production of propylene oxide with the impurities except for acetaldehyde, propionaldehyde and hydrocarbon, epoxides, halogenated alkanes, acetone, alcohols, such as.
采用松香、三甲胺和环氧氯丙烷为原料,溶剂法合成了阳离子松香。
The cationic rosin was synthesized by solvent method, with rosin, trimethylamine and epoxy chloropropane as raw materials.
纤维素纤维改性剂CM系由叔胺与环氧氯丙烷合成。
Modifier CM is synthesised by tertiary amine and epoxy chloropropane for improving properties of cellulose fibre.
采用环氧氯丙烷为交联剂,以小麦淀粉为原料制备小麦交联淀粉。
Wheat cross-linked starch was prepared from wheat starch by using epichlorohydrin as cross-linking agent.
研究了木质素与环氧氯丙烷、三甲胺合成木质素季铵盐的工艺。
Synthesis of cationic lignin flocculant by lignin, epichlorohydrin and trimethylamine was obtained.
本文在840 ~ 950k范围内应用单脉冲化学激波管测定环氧氯丙烷的裂解反应动力学。
The chemical kinetics for the pyrolysis of epichlorohydrin was studied by single pulse shock tube in 840-950k.
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。
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.
介绍了从环氧丙烷生产废液中回收1,2 -二氯丙烷的新方法。
A new method for recovering 1, 2-dichloropropane from waste liquor in propylene oxide production was developed.
整个生产过程分为氯醇化、皂化和精制三个阶段,而精制工序是环氧丙烷生产的重要环节之一。
The whole production process is divided into chlorohydrination, saponification and rectification three stages, and the refined process is one of the important links in the ring oxygen propane product.
研究了由对硝基苯基偶氮苯类染料与聚环氧氯丙烷经大分子反应合成的含偶氮苯侧基的共聚醚的二阶非线性光学特性。
Some novel copolyethers containing azo benzene chromophors as side chains have been synthesized by a nucleophilic reaction of various azo dyes with polyepichlorohydrin.
介绍了环氧氯丙烷的生产及工艺改进的方法。
Production of epichlorohydrin and its method of technics improvement were introduced.
聚环氧氯丙烷—二甲胺与PAC复配,不仅可使絮凝效果更佳,而且可降低处理成本。
Using polyamine flocculants with PAC, not only shows better flocculation performance, but also can lower the water treatment cost.
氯醇化法和有机过氧化物法曾经是主要的环氧丙烷生产工艺。
Chlorohydrination and the organic peroxide process are the main traditional methods for producing epoxy propane.
利用化学方法,由外消旋环氧氯丙烷出发,合成丁酸环氧丙酯,精制后可获得纯度96%以上的丁酸环氧丙酯,收率为47%。
Glycidyl butyrate was synthesized from racemic epichlorohydrin and butyric acid by chemical means. The purity of the refined product was over 96% and the yield was about 47%.
以醋酸丙烯酯为原料制造环氧氯丙烷的新路线,具有反应条件缓和、产品收率高和副产物少的特点。
Using allyl acetates as raw materials the new route for the manufacture of epichlorohydrin is characterized by mild reaction conditions, higher yields and less by-products.
探索环氧氯丙烷法活化琼脂糖凝胶的最佳反应条件,建立活化反应动力学模型。
To explore the optimal condition of sepharose activation by means of epichlorohydrin and establish the kinetic model of activation process.
用一级反应的热动力学无量纲参数法研究了环氧氯丙烷的酸催化水解反应。
The acid-catalyzed hydrolysis of epichlorohydrin is studied with the method of dimensionless parameter for the first order reactions In this paper.
以环氧氯丙烷和三甲胺为原料,常温下合成活性中间体失水甘油基三甲基氯化铵(GTA)。
Using trimethylamine and epichlorohydrin as raw materials, an active intermediate, glycidyl trimethyl ammonium chloride (GTA), was synthesized at ambient temperature.
结果表明,阳离子度、分子量以及聚合物的结构是影响聚环氧氯丙烷—二甲胺絮凝效果的重要因素。
The experimental results show that the cationicity, the molecular weight and the structure have a great effect on the flocculation efficiency of polyamine flocculants.
方法应用环氧氯丙烷(EC)化学改性戊二醛(GA)处理猪瓣。
Methods The glutaraldehyde (GA) treated porcine aortic valves were modified chemically with epoxy chloropropane (EC).
用四溴双酚a、环氧氯丙烷和丙烯酸为原料合成了阻燃型乙烯基酯树脂,其阻燃性能良好。
Flame retardant vinyl ester resin using tetrabromo bisphenol a, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
以环氧氯丙烷、二甲胺为反应单体,过硫酸钾-亚硫酸钠为引发剂合成了小阳离子聚合物粘土稳定剂pta。
Minor cationic polymer clay stabilizer PTA was synthesized with epichlorohydrin and dimethylamine as monomers and potassium persulfate - sodium sulfite as initiating agent.
报道了交联琼脂糖包膜活性炭(CAAC-II)微囊制备过程中的质量控制、环氧氯丙烷的清除。
The preparation and the quality control of cross linked agarose coated activated (CAAC II) were described. The crosslinking reagent epichlorohydrin was removed.
本课题以蜜糖和十二烷基二甲基叔胺为原料,选择环氧氯丙烷作为季铵化反应的烷化剂。
This new synthesis method of humectants used honey and di-methyl-dodecyl amine as material to produce a quaternary surfactant.
用本实验制备的甲醛环氧氯丙烷交联壳聚糖树脂对酸性绿6B、直接耐晒黄rl、分散蓝56三种染料进行吸附性能、吸附动力学和热力学研究。
The adsorbability, adsorption kinetics and adsorption thermodynamics to acid green 6b, direct fast yellow RL and disperse blue 56 by the new resin were studied in this paper.
综合研究结果表明,聚环氧氯丙烷—二甲胺是一种高效多功能的有机絮凝剂。
The experimental results show that polyamine polymers are organic flocculants with high performance and multi-function.
综合研究结果表明,聚环氧氯丙烷—二甲胺是一种高效多功能的有机絮凝剂。
The experimental results show that polyamine polymers are organic flocculants with high performance and multi-function.
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