羟基和酯基型Gemini双季铵盐表面活性剂在煤沥青表面的润湿特性

doi:10.11949/j.issn.0438-1157.20160790

化工学报 ›› 2017, Vol. 68 ›› Issue (1): 230-237.DOI: 10.11949/j.issn.0438-1157.20160790

羟基和酯基型Gemini双季铵盐表面活性剂在煤沥青表面的润湿特性

高晓荣¹, 崔勇², 赵晓霞¹, 魏文珑², 常宏宏^2,3

1 太原科技大学化学与生物工程学院, 山西太原 030021;
2 太原理工大学化学化工学院, 山西太原 030024;
3 道路结构与材料交通运输行业重点实验室(北京), 北京 100088

收稿日期:2016-06-08 修回日期:2016-08-22 出版日期:2017-01-05 发布日期:2017-01-05
通讯作者: 常宏宏
基金资助:
国家自然科学基金项目（21206103，21076135）；山西省自然科学基金项目（2015011023）；山西省科技攻关项目（20140321018-05）；晋城市科技计划项目（201501004-15）；道路结构与材料交通运输行业重点实验室开放基金（KF201403）；表面活性剂山西省重点实验室开放基金（201503）。

Wettability on coal tar asphalt surface of dual quaternary ammonium salt Gemini surfactants containing ester and hydroxyl groups

GAO Xiaorong¹, CUI Yong², ZHAO Xiaoxia¹, WEI Wenlong², CHANG Honghong^2,3

1 College of Chemistry and Biological Engineering, Taiyuan University of Science and Technology, Taiyuan 030021, Shanxi, China;
2 College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China;
3 Key Laboratory of Road Structure & Material of Transport, Beijing 100088, China

Received:2016-06-08 Revised:2016-08-22 Online:2017-01-05 Published:2017-01-05
Contact: 10.11949/j.issn.0438-1157.20160790
Supported by:
supported by the National Natural Science Foundation of China (21206103, 21076135), the Natural Science Foundation of Shanxi Province (2015011023), the Key Project of Science and Technology of Shanxi Province (20140321018-05), the Projects of Science and Technology of Jincheng (201501004-15), the Key Laboratory of Road Structure& Material of Transport (Beijing, Opening Funding, KF201403) and the Foundation of Shanxi Province Key Laboratory of Surfactant (201503).

摘要/Abstract

摘要：

以自制的羟基和酯基型Gemini双季铵盐表面活性剂为研究对象，在考察其表面活性的基础上，进一步研究了表面活性剂在煤沥青表面的润湿性。研究表明，羟基型Gemini表面活性剂在煤沥青表面的接触角随疏水链长度的增长呈先减小后增大趋势，其中C₁₂-OH在煤沥青表面的润湿效果最好；对于m-n-m酯基型Gemini表面活性剂而言，接触角随疏水链长度的增长而降低。当疏水链长度一定时，m-6-m在煤沥青表面的润湿效果比m-2-m好。在一定浓度范围内，C₁₀-OH、C₁₂-OH和12-2-123种Gemini表面活性剂的表面张力与其在煤沥青表面黏附张力呈线性关系。煤沥青表面的Zeta电位随Gemini表面活性剂浓度的增大呈先增大后趋于平稳的趋势。

关键词: Gemini双季铵盐表面活性剂, 羟基, 酯基, 煤沥青, 润湿

Abstract:

Gemini surfactants of dual quaternary ammonium salts with hydroxyl and ester functional groups were synthesized and used to investigate wettability on coal tar asphalt surface.The contact angle of hydroxyl Gemini surfactants on coal tar asphalt surface decreased first and increased later with increase of hydrophobic chain length, which C₁₂-OH surfactant showed best wetting.The contact angle of m-n-m ester Gemini surfactants decreased with increase of hydrophobic chain length.At fixed hydrophobic chain length, m-6-m surfactant had better wetting than m-2-m surfactant.A linear relationship was observed between adhesive tension on coal tar asphalt surface and surface tension of C₁₀-OH, C₁₂-OH and 12-2-12 surfactants within a range of concentrations.Zeta potential on the coal tar asphalt surface increased initially and tended to stabilize gradually along with increase of surfactant concentration.

Key words: Gemini quaternary ammonium salt surfactants, hydroxyl, ester, coal tar asphalt, wettability

中图分类号:

O647.5

高晓荣, 崔勇, 赵晓霞, 魏文珑, 常宏宏. 羟基和酯基型Gemini双季铵盐表面活性剂在煤沥青表面的润湿特性[J]. 化工学报, 2017, 68(1): 230-237.

GAO Xiaorong, CUI Yong, ZHAO Xiaoxia, WEI Wenlong, CHANG Honghong. Wettability on coal tar asphalt surface of dual quaternary ammonium salt Gemini surfactants containing ester and hydroxyl groups[J]. CIESC Journal, 2017, 68(1): 230-237.

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羟基和酯基型Gemini双季铵盐表面活性剂在煤沥青表面的润湿特性

Wettability on coal tar asphalt surface of dual quaternary ammonium salt Gemini surfactants containing ester and hydroxyl groups

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