2-醇对表面特性和表面活性剂在玻璃表面的湿行为的影响
Sujit Kumar Shah1, Pankaj Kumar Das1, Ajaya Bhattarai1
1Department of Chemistry, M. M. A. M. C., Tribhuvan University, Biratnagar, Nepal.
Heliyon
|February 20, 2025
概括
将2-醇 (2-PrOH) 添加到像AOT,SDS,CPC和CTAB这样的表面活性剂中,可以改善玻璃的湿和粘附. 这种辅助表面活性剂的作用降低了表面张力,并促进了工业应用的扩散.
科学领域:
- 合体和表面科学科学
- 物理化学 物理化学
- 材料科学 材料科学 材料科学
背景情况:
- 表面活性剂对于改变表面特性至关重要.
- 了解表面活性剂与辅溶剂的行为对于配方优化至关重要.
- 阳离子 (AOT,SDS) 和阴离子 (CPC,CTAB) 表面活性剂表现出不同的相互作用.
研究的目的:
- 研究二醇 (2-PrOH) 对各种表面活性剂的表面和湿性能的影响.
- 量化表面张力,CMC和分子排列的变化,随着2-PrOH度的增加.
- 为了评估2-PrOH对表面活性剂溶液在玻璃表面上的湿度的影响.
主要方法:
- 测量了表面张力,临界细胞度 (CMC),表面过量和最小分子面积.
- 分析了接触角度,粘附张力和粘附的工作.
- 实验是在298.15K的水中进行的,其中含有不同体积分数的2-PrOH (0.10,0.20,0.30).
主要成果:
- 在所有测试的表面活性剂中,2-醇显著降低了表面张力和接触角度.
- 2-PrOH度的增加导致了表面过剩度的减少和每分子最小表面积的增加.
- 通过更高的2-PrOH含量,玻璃表面的湿性,扩散性和粘附性得到了增强.
结论:
- 2-醇作为有效的辅表面活性剂,优化表面活性剂的性能.
- 它降低了表面张力,并增强了液体/固体相互作用,改善了湿和粘附.
- 研究结果为设计涂料,洗剂和表面处理中有效的表面活性剂配方提供了洞察力.
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