聚氧乙烯链分布对脂肪醇醚硫酸钠性能的影响  

Effect of polyoxyethylene chain distribution on the properties of polyoxyethylene fatty alcohol sodium sulfate

作　　者：王新刚 杨效益[1] 孙永强[1] 郭朝华[1] 李萍[1] 李建波[1] WANG Xingang;YANG Xiaoyi;SUN Yongqiang;GUO Chaohua;LI Ping;LI Jianbo(China Research Institute of Daily Chemical Industry Co.Ltd.,Taiyuan 030001,China)

机构地区：[1]中国日用化学工业研究院有限公司,山西太原030001

出　　处：《印染助剂》2020年第6期38-42,共5页Textile Auxiliaries

基　　金：伽蓝研究基金资助项目(JALA2016);“十三五”国家科技支撑计划资助项目(2017YFB0308802)。

摘　　要：研究窄分布脂肪醇醚硫酸钠(N-AE3S)与常规脂肪醇醚硫酸钠(AE3S)的静态表面张力、接触角、动态表面张力及乳化性能,探究聚氧乙烯链(EO)分布对脂肪醇醚硫酸钠性能的影响。结果表明:N-AE3S在临界胶束浓度1.7×10^-4mol/L下可以将表面张力降至28.18 mN/m,且具有更好的润湿性能和乳化性能;当浓度为1.0×10^-5、1.0×10^-3mol/L时,AE3S和N-AE3S均符合混合动力扩散控制吸附机理。The static surface tension,dynamic contact angle,dynamic surface tension and emulsification property of polyoxyethylene fatty alcohol sodium sulfate with narrow ethylene oxide distribution(N-AE3S)and conventional ethylene oxide distribution(AE3S)were investigated to study the effect of polyoxyethylene chain(EO)distribution on the properties of polyoxyethylene fatty alcohol sodium sulfate.The results showed that NAE 3S could reduce the surface tension to 28.18 mN/m at critical micelle concentration of 1.7×10^-4 mol/L,and had better wettability and emulsification property.When the concentration was fixed at 1.0×10^-5 mol/L and 1.0×10^-3 mol/L,the diffusion model of AE3S and N-AE3S accorded with the mixed diffusion-kinetic adsorption mechanism.

关 键 词：脂肪醇醚硫酸钠 窄分布 性能 

分 类 号：TQ423[化学工程]