温度对氟碳表面活性剂铺展系数的影响  

Effect of temperature on the spreading coefficient of fluorocarbon surfactants

作　　者：魏建龙[1] 贾旭宏[1] 张汉飞[1] 魏中许[1] 

机构地区：[1]中国民用航空飞行学院,四川广汉618307

出　　处：《日用化学品科学》2017年第10期18-21,共4页Detergent & Cosmetics

摘　　要：以航空煤油和95#车用汽油为原料,在溶液浓度保持不变的条件下,研究了温度变化对两种氟碳表面活性剂FC-8和FC-4对油面上铺展系数造成的影响。结果表明,两种氟碳表面活性剂的表面张力、油品的表面张力以及油水界面张力随着温度的升高而降低,铺展系数随着温度的升高先增长后逐渐放缓,最后趋于定值。The effects of temperature on the spreading coefficients of two fluorocarbon surfactants （FC-8 and FC-4 ） on aviation kerosene and 95# motor gasoline were studied, respectively, where the solution concentration was kept constant. The results showed that the surface tension of the two fluorocarbon surfactants, the surface tension of oil and the oil-water interracial tension were decreased as the temperature increased, while the spreading coefficients increased first and then slowed down, and finally reached a fixed value.

关 键 词：氟碳表面活性剂 温度 铺展系数 表面张力 界面张力 

分 类 号：TE626.2[石油与天然气工程—油气加工工程] TQ423[化学工程]