Synthesis, aggregation behavior of polyether based carbosilane surfactants in aqueous solution
作者:Jinglin Tan、Yinglun Liu、Zhigang Ye
DOI:10.1016/j.molliq.2019.02.020
日期:2019.4
different hydrophobic groups (Me-Si2C-EO8, Et-Si2C-EO8, and Ph-Si2C-EO8) were successfully synthesized and confirmed by 1H NMR, 13C NMR, 29Si NMR, and FT-IR. Aggregation behavior of the polyether based carbosilane surfactants in aqueous solution was investigated by surface tension, dynamic light scattering (DLS), transmission electron microscopy (TEM). The additional CH2 group between silicon atoms can
成功合成了具有不同疏水基团(Me-Si 2 C-EO 8,Et-Si 2 C-EO 8和Ph-Si 2 C-EO 8)的新型聚醚基碳硅烷表面活性剂,并通过1 H NMR,13 C进行了确认NMR,29 Si NMR和FT-IR。通过表面张力,动态光散射(DLS),透射电子显微镜(TEM)研究了聚醚基碳硅烷表面活性剂在水溶液中的聚集行为。硅原子之间的额外CH 2基团可以增加碳硅烷疏水基团的Lifshitz-van der Waals力,并直接增加γ CMC和甲分钟值。的γ CMC和甲分钟值按照顺序中,Me-的Si 2 C-EO 8