span-80

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

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

Production practice of improving the quality of emulsifier Span-80

提高Span-80乳化剂质量的生产实践

Analysis of Factors Affecting Span-80 Emulsion Properties

影响Span-80乳化性能因素分析

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。

All property parameters of emulsifier Span-80 are analysed .

分析了乳化剂Span80各项性能指标。

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

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。

In the synthesis , Span-80 was used as surfactant , due to its steric hindrance effect .

此处使用Span-80为分散剂，是利用其空间位阻作用。

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。

The Improved Synthesis of Span-80

Span-80合成工艺的改进

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。

Study on the Synthesis of Span-80 Emulgent

乳化剂司本80（Span-80）合成工艺研究

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。

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。

Thus the micelle with [ H2O ] / [ Span-80 ] of 110.9 was used to prepare supported titania membrane .

BET法结果与TEM照片一致，而且表明[H2O]/[Span-80]为110.9的TiO2反胶团微乳液所制得的无支撑膜孔径分布最窄、最可几孔径约为4.5nm。

Nano-TiO2 particles with a certain geometric shape , good dispersion and photocatalytic activity were prepared by W / O micro-emulsion using span-80 as surfactant .

采用span-80作表面活性剂，在W／O微乳液中制备出具有一定几何形状、团聚相对较小、光催化性能较好的纳米TiO2；

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 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。

Furthermore , the paper put forward some opinions on how to improve the quality of emulsifier Span-80 . The technology presented in this paper has been used in the existing production and good results have been achieved .

这些措施已在生产中得到应用，效果良好。文中就生产中进一步提高Span-80乳化剂的产品质量提出了几点看法。

Span-80 , a typical polyalcohol non-ionic surfactant materials , was the product of inner etherify of sorbitol dehydration and esterifying with oleic acid .

山梨醇酐单油酸酯（Span-80）是一种典型的多元醇型非离子表面活性剂，由山梨醇失水内醚化并与油酸发生酯化反应生成。

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。

Results : The emulsion with 0.8 % span-80 , 1.6 % tragacantha or with 5 % span-80 , 2 % CMC-Na has a good stability .

结果：以0.8%司盘-80、1.6%西黄蓍胶和5%司盘-80、2%CMC-Na配制的多效胃镜乳，稳定性好。

OP-10 and Span-80 , mixed together with mass fractions of 0.4 % and 0.2 % , respectively , forms the required emulsifier , which has acid tolerance and an appropriate HLB value .

选择了具有耐酸能力、且具适宜HLB值的OP-10和Span80混合体系作为乳化剂，OP-10和Span80的最佳质量分数分别为0.4%和0.2%。

Methods : Using the liquid paraffin as the oil phase , and span-80 as the emuifier ; 5 - fluorouracil-loaded chitosan microspheres were achieved by emulsion-chemical crosslink technique .

方法：以液体石蜡为油相，span80为乳化剂，采用乳化化学交联技术制备氟尿嘧啶鼻用微球。

The tribological tests were carried out in a pin-on-disk tester by using span-80 / dimer acid as the lubricant additives to lubricate the surface of ceramic-on-ceramic under boundary lubricant condition .

采用盘-销式摩擦试验机，以司班-80/二聚酸体系作润滑油添加剂，在陶瓷-陶瓷（Al2O3-Al2O3）表面进行摩擦磨损实验。

The liquid membrane consists of carrier ( PCC ), surfactant ( Span-80 ), co-solvent ( 2-ethylhexanol ), thinner ( kerosene ) and the internal membrane aqueous phase ( HCl ) .

液膜体系组成为：氯代十六烷基吡啶（PCC）为载体，Span-80为表面活性剂，异辛醇为助溶剂，煤油为稀释剂，盐酸水溶液为膜内相。

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。

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。

Firstly , three reversed micelle of different sizes of titania particles were prepared by using tetrabutyl titanate , water and cyclohexane , and Span-80 as a surfactant , iso-pentanol as an accessory surfactant .

实验以钛酸丁脂、水、环己烷、异戊醇及表面活性剂Span-80等为原料，通过控制水量制得三种粒径分布的氧化钛反胶团微乳液。