化学性质
本品为浅黄色液体,易溶于有机溶剂,并具有良好的抗静电作用,在水中呈分散性。
用途
该产品适用于煤矿井下塑料制品传递带的抗静电处理,能有效消除传送过程中的静电感应,防止电火花现象的发生,从而保障安全生产。此外,它还可用于农药及其他工业乳化剂。
生产方法
1 mol 辛基酚在固碱催化下与6 mol环氧乙烷进行缩合、中和反应后脱色而得。详细的工艺条件可参见辛基酚聚氧乙烯(3)醚的相关资料。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
三乙烯乙二醇辛酯 | triethylene glycol monooctyl ether | 19327-38-9 | C14H30O4 | 262.39 |
四聚乙二醇单辛醚 | 2-{2-[2-(2-Octyloxy-ethoxy)-ethoxy]-ethoxy}-ethanol | 19327-39-0 | C16H34O5 | 306.443 |
2-[2-(2-乙基己氧基)乙氧基]乙醇 | diethylene glycol octyl ether | 19327-37-8 | C12H26O3 | 218.337 |
not available
The mono-octyl ether of hexaoxyethylene glycol has been synthesized and carefully purified using foam fractionation in the ultimate stages of the purification. Surface tension measurements of solutions of the detergent in water using a Wilhelmy plate indicate a continuing decrease in surface tension with increasing detergent concentration above the critical micellar concentration. Vapour pressure osmometry using the Mechrolab 302 substantiated the interpretation of the results in terms of the law of mass action.
A four-component emulsion system containing the non-ionic surfactant C8H17 (O·CH2·CH2)6OH has been investigated, particularly in regions in which liquid crystal or more than two condensed phases are formed. Liquid crystal does not exist in the binary surfactant-water system at 25° but extensive regions form when the organic liquids octanol and dodecane are present, although these are not joined to the main two-liquid regions of the emulsion system. The surfactant is almost completely dissolved in the aqueous phase in water-dodecane mixtures but when substantial amounts of octanol are also present the partition coefficient is reversed in favour of the organic phase. At certain intermediate compositions three liquid phases are present. The significance of these results to the system as an emulsion are briefly discussed.
研究了一种含有非离子表面活性剂C8H17(O·CH2·CH2)6OH的四组分乳液系统,特别是在液晶或形成两个以上的凝聚相的区域。在25℃的二元表面活性剂-水体系中不存在液晶,但当有有机液体辛醇和十二烷存在时,广泛的区域形成,尽管这些区域与乳液系统的主要两液相区域没有连接。在水-十二烷混合物中,表面活性剂几乎完全溶解于水相中,但当存在大量辛醇时,分配系数会倒转,有机相更为有利。在某些中间组成下存在三个液相。这些结果对于该系统作为乳液的意义进行了简要讨论。