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作为固态特异性表面活性结构的2-乙烯醇的乙氧基和氧基衍生物的吸附性质和浸透性
Wiesław Hreczuch1, Beata Konopczyńska2, Marcin Stasiak3
1MEXEO, Energetyków 9, 47-225 Kędzierzyn-Koźle, Poland.
Molecules (Basel, Switzerland)
|February 10, 2024
概括
使用二甲化催化剂从2-乙烯醇 (2-EH) 衍生出的创新表面活性剂显示出出色的界面活性. 这些新的两性物体具有优越的吸附和湿性质,可能与ABS和AES等传统表面活性剂竞争.
科学领域:
- 表面化学 表面化学
- 材料科学 材料科学 材料科学
- 有机化学 有机化学
背景情况:
- 2-乙烯醇 (2-EH) 是一种具有成本效益的氧醇,由于其弱水性,表面活性剂合成潜力未得到充分利用.
- 2-EH的序列性氧化和乙氧化产生了具有独特界面特性的新型两结构.
研究的目的:
- 研究来自2-EH的创新表面活性剂的合成和特性.
- 为了比较使用和二甲化催化剂合成的表面活性剂,重点关注分数组成和界面活性.
- 评估这些新型表面活性剂的吸附,扩散和湿能力.
主要方法:
- 从2-EH中合成表面活性剂,使用和二金属化物催化剂.
- 分数组合的表征.
- 衡量平衡和动态表面张力 (杜诺伊环,最大气泡压力方法).
- 接触角度测量 (坐落式下降方法).
- 使用动态表面张力异热量和开发的算法估计扩散系数.
主要成果:
- 与催化剂相比,二甲化催化剂产生的表面活性剂具有明显的分数组合物和优越的吸附和界面特性.
- 合成的表面活性剂在空气/水界面表现出很好的吸附性.
- 估计的扩散系数表明扩散率高于商业配方.
- 证明了有效的湿特性,特别是在聚合物表面.
结论:
- 使用二金属化物催化剂从2-EH中获得的创新表面活性剂具有出色的界面和湿性质.
- 这些新型两动物显示出广泛应用的潜力,作为有效的湿化剂.
- 合成的表面活性剂可以与已建立的商业产品竞争,如ABS和AES酸盐.
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