Estimation the Heat of Formation of Span-80 by Experience Additive Methods 用经验加和法估算Span-80的生成热
Dissipate light petroleum into uniform oil-water emulsion using Span-80 and Tween-20 as complex emulsifier. 以司班-80(Span-80)与吐温-20(Tween-20)为复合乳化剂,将轻质石油产品分散成均匀的油水乳化液。
Research on Relationship between Quality Standard of Emulphor Span-80 and Stability of RJ Emulsion Explosive 适合RJ型***的乳化剂质量标准的研究
The relationship of Span-80 content to pressure desensitization of emulsion explosives was studied with the method. 采用该方法研究了Span80含量与***压力减敏作用之间的关系。
Study on Relations Between the Quality Index of Span-80 and the Stability of Emulsion 司盘-80质量指标与乳化液稳定性关系的研究
High molecular weight sodium polyacrylate was synthesized by inverse emulsion polymerization with acryloyl Span-80 as emulsifying agent. 以丙烯酰氧基Span-80为乳化剂,采用反相乳液聚合法合成了高分子量聚丙烯酸钠。
It is discovered that Span-80 compounded with Tween has good emulsifying ability. 研究表明Span&80和Tween系列具有良好的复配效果。
Studies on the dehydration reaction of sorbitol and the synthesis of Span-80 山梨醇失水反应及Span&80合成的研究
But if the complex emulsifier system is made of TMAC and OP-10, MS-1 and Peregal O or CTAC and Span-80, we can not synthesize any kind of satisfactory seeded emulsions. 而TMAC与OP-10、MS-1与PeregalO以及CTAC与Span-80的复合体系作为乳化剂时均不能得到满意的硅丙种子乳液。
The co-thickening effect of organic solvent and emulsifier was studied also. It was found that solvent oil as organic solvent and span-80 as emulsifier was the best. 还研究了有机溶剂和乳化剂等的共增稠效果,发现溶剂油作为有机溶剂、Span-80作为乳化剂的共增稠效果显著。
Using NaOH/ span-80/ liquid wax/ kerosene as the working system, the effects of the way of transmembrane pressure and the membrane pore size and such on the demulsification efficiency and permeate flux are studied. 以NaOH+煤油+液体石蜡+Span80为研究体系,实验研究了影响破乳效果的重要参数透过压方式、膜孔径等对膜通量和破乳率的影响。
Synthesis and Application of Acryloyl Span-80 in Emulsion Explosive 丙烯酰氧基Span-80的合成及在***中的应用
By using NaOH as catalyst, span-80 is synthesized at the following conditions: 1:1.2 the ratio between sorbitol and 9-octadecenoic acid, 180~ 190 ℃ the temperature, vacuum treatment by water and 4 hours the heating time. 以NaOH为催化剂,山梨醇与油酸之比为1:1.2,在温度180~190℃、水抽真空的条件下,加热4h合成Span-80。
Production practice of improving the quality of emulsifier Span-80 提高Span-80乳化剂质量的生产实践
The present research situation, reaction mechanism and two-step synthesis process of Span-80 were introduced in this paper. 本论文介绍了Span-80的研究现状、反应机理及二步法合成工艺。
The reaction uses kerosene as bulk-phase, Span-80 and OP-10 as emulsifier, persulfate/ sulfite as initiator. 该聚合体系以煤油为分散介质,以Span-80和OP-10为乳化剂,以过硫酸钠和亚硫酸钠为引发剂。
The basic knowledge of emulsion and emulsion explosive and the stability effect of the mainly used Span-80 multiple emulsifying agent on emulsion were also discussed in this paper. 介绍了乳状液及***的基本知识、及其用Span-80为主的复合乳化剂对乳化基质的稳定性影响。
The technique approach to improve the ability of shock desensitization resistance is theoretically analyzed in this paper, which can be reached through modifying and compounding Span-80 and applying the proper sensitizing mode. 文中从理论上分析了提高***抗冲击钝化能力的技术途径,认为通过改性与复合Span-80、采用适当的化学敏化方式可以达到目的。
Analysis of Factors Affecting Span-80 Emulsion Properties 影响Span-80乳化性能因素分析
The ethoxylation of span-80 catalyzed by several alkali metal salts and alkali earth metal salts has been studied in this article. The new catalyst ( DF-1) was found effective for the ethoxylation. 通过对几种碱金属、碱土金属盐催化剂的考察,研究了斯本-80的乙氧基化反应,筛选出DF-1型新型催化剂。
Take sodium dodecylbenzene sulfonate, ammonium cetyl trimethyl bromide, SPAN-80 as charge control agent. 选择十二烷基苯磺酸钠、十六烷基三甲基溴化铵、SPAN-80为电荷控制剂。
All property parameters of emulsifier Span-80 are analysed. 分析了乳化剂Span80各项性能指标。
METHODS: paeeonol, span-80, liquid paraffin, triethanolamine, stearic acid, sodium carboxymethycellulose, polyvinyl alcohol, and distilled water were used to prepare W/ O/ W-type multiple emulsion gelatum. 方法:采用丹皮酚、司盘-80、液体石蜡、三乙醇胺、硬脂酸、羧甲基纤维素钠、聚乙烯醇及蒸馏水制备W/O/W型复乳凝胶。
Tween-60, Span-20, Span-80 and Polyether surfactants were selected, lubricating oils containing nano-rare earths and Fe particles were prepared. 选择了吐温(Tween)-60、司本(Span)-20、司本(Span)-80和聚醚表面活性剂,配制了纳米稀土(RE)和铁粒子的复合润滑油。
Conversely, the average diameter decreases and the monodispersity increases with the increase of Span-80. 而增加表面活性剂的量使PAM的平均粒径降低,单分散性变好。