对以溴代十四烷、乙二胺和1,3-丙磺内酯为原料合成的磺酸盐型Gemini表面活性剂的表面活性进行了评价。主要研究了不同碳链长度的季铵盐、无机盐和有机盐的加入,剪切时间以及温度对上述表面活性剂体系黏度性质的影响。结果表明,磺酸盐型G...对以溴代十四烷、乙二胺和1,3-丙磺内酯为原料合成的磺酸盐型Gemini表面活性剂的表面活性进行了评价。主要研究了不同碳链长度的季铵盐、无机盐和有机盐的加入,剪切时间以及温度对上述表面活性剂体系黏度性质的影响。结果表明,磺酸盐型Gemini表面活性剂的临界胶束浓度比相应的单链表面活性剂低1~2个数量级;当向质量分数为1%的磺酸盐型Gemini表面活性剂中加入季铵盐时,复配体系的黏度先增加后减少,且季铵盐的碳链越长,增黏效果越明显,复配体系的黏度最大可达245.5 m Pa·s,碳链的增长有助于蠕虫状胶束的形成;在磺酸盐型Gemini表面活性剂和十六烷基三甲基溴化铵（CTAB）的复配体系中,随着KCl,Na Cl以及水杨酸钠质量分数的增加,复配体系的黏度先增加后减少,其中KCl的增黏效果最为显著,当KCl的质量分数为0.12%,复配体系的黏度达到最大,为430.2 m Pa·s;在磺酸盐型Gemini表面活性剂/CTAB/KCl的复配体系中,随着剪切时间和温度的增加复配体系的黏度逐渐降低。展开更多
A series of sulfonated polydioxolane were prepared from dioxolane using cis 2-butene-1, 4-diol and BF3·O(C2H5)2 as monofer and initiator and characterized by FT-IR, 1HNMR, GPC and elemental analysis. A simple met...A series of sulfonated polydioxolane were prepared from dioxolane using cis 2-butene-1, 4-diol and BF3·O(C2H5)2 as monofer and initiator and characterized by FT-IR, 1HNMR, GPC and elemental analysis. A simple method is described for seperation of highlyionized polyether from the products of the addition reaction.展开更多
文摘对以溴代十四烷、乙二胺和1,3-丙磺内酯为原料合成的磺酸盐型Gemini表面活性剂的表面活性进行了评价。主要研究了不同碳链长度的季铵盐、无机盐和有机盐的加入,剪切时间以及温度对上述表面活性剂体系黏度性质的影响。结果表明,磺酸盐型Gemini表面活性剂的临界胶束浓度比相应的单链表面活性剂低1~2个数量级;当向质量分数为1%的磺酸盐型Gemini表面活性剂中加入季铵盐时,复配体系的黏度先增加后减少,且季铵盐的碳链越长,增黏效果越明显,复配体系的黏度最大可达245.5 m Pa·s,碳链的增长有助于蠕虫状胶束的形成;在磺酸盐型Gemini表面活性剂和十六烷基三甲基溴化铵（CTAB）的复配体系中,随着KCl,Na Cl以及水杨酸钠质量分数的增加,复配体系的黏度先增加后减少,其中KCl的增黏效果最为显著,当KCl的质量分数为0.12%,复配体系的黏度达到最大,为430.2 m Pa·s;在磺酸盐型Gemini表面活性剂/CTAB/KCl的复配体系中,随着剪切时间和温度的增加复配体系的黏度逐渐降低。
文摘A series of sulfonated polydioxolane were prepared from dioxolane using cis 2-butene-1, 4-diol and BF3·O(C2H5)2 as monofer and initiator and characterized by FT-IR, 1HNMR, GPC and elemental analysis. A simple method is described for seperation of highlyionized polyether from the products of the addition reaction.
