不同腰果酚磺酸盐的合成及界面活性.pdfVIP

学兔兔 化 工 进 展 ·1422· CHEMICAL INDUSTRY AND ENGINEERING PROGRESS 2015年第34卷第5期 不同腰果酚磺酸盐的合成及界面活性 李翠勤，郭苏月，王俊，黄金，吴松，李杰，李海燕 (东北石油大学化学化工学院，石油与天然气化工省重点实验室，黑龙江 大庆 163318) 摘要：以天然生物腰果酚为原料，经过磺化和中和两步反应合成了两种腰果酚磺酸盐表面活性剂。FT—IR光谱证 实两种腰果酚磺酸盐的化学结构。采用滴体积表面张力仪和全自动旋滴界面张力仪测定了两种腰果酚磺酸盐水 溶液的表面张力和油水界面张力，结果表明，两种生物质腰果酚磺酸盐具有良好的表面活性和界面活性，25℃ 时侧链不饱和的腰果酚磺酸盐和侧链饱和的腰果酚磺酸盐的临界胶束浓度分别为38．1mg／L和28．2mg／L，此浓度 下的表面张力分别38．54mN／m和37．35mN／m；饱和腰果酚磺酸盐质量分数高于0．8％时，可将油水界面张力降低 至 10-3mN／m，但不饱和腰果酚磺酸盐仅能将油水界面张力降低至 10一mN／m。侧链饱和的腰果酚磺酸盐的表面 活性和界面活性均优于侧链不饱和的腰果酚磺酸盐。 关键词：腰果酚；表面活性剂；表面活性；界面活性 中图分类号：0 647．1 文献标志码：A 文章编号：1000—6613(2015)05—1422—05 DoI：10．16085~．issn．1000—6613．2015．05．039 Synthesis and interface activity of different biological cardanol sulfonate LI Cuiqin，GUO Suyue，WANGJun，HUANGJin，WUSong，LIJie，LIHaiyan (Provincial Key Laboratory ofOilGas Chemical Technology，School ofChemistryChemical Engineering， Northeast Petroleum University，Daqing 163318，Heilongjiang，China) Abstract：Using natural cashew phenol as raw material，two cashew phenol(cardano1)sulfonates were prepared through sulfonation reaction and alkaline neutralization reaction．The products were identified by FT_IR．Their surface activity and interface activity were measured by drop volume surface tension meter and automatic spinning drop interfacial tension meter．Cardanol sulfonates had good surface activity and interface activity．the cmc values of cardanol sulfonate and saturated cardanol sulfonate in aqueous solution were 38．1mg／L and 28．2mg／L respectively，and the values of ycmc were 38．54mN／m and 37．3