新型超长链双子表面活性剂的开发和表征
1College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China.
Polymers
|August 28, 2025
概括
一种新型的超长链双胞胎表面活性剂 (EUCGS) 为清洁的破裂液合成. EUCGS表现出卓越的界面活性,可调节的流体结构,以及优异的热盐稳定性,为增强的石油回收提供了有前途的替代方案.
科学领域:
- 材料科学
- 化学工程
- 石油工程
背景情况:
- 开发清洁的压裂流体系统对于可持续的石油和天然气开采至关重要.
- 现有的压裂液经常面临与环境影响和恶劣条件下的性能有关的挑战.
- 需要新的表面活性剂来提高水力压裂操作的效率并减少损伤.
研究的目的:
- 合成和表征一种新的超长链双胞胎表面活性剂 (EUCGS).
- 评估EUCGS的界面特性,学行为和热盐稳定性.
- 评估EUCGS在石油和天然气应用中的压裂流体系统的性能.
主要方法:
- 通过两步反应合成了EUCGS,使用了埃鲁基初级胺,3- 烯化物和1,3- 双甲胺) 二醇.
- 使用FT-IR和1H NMR光谱进行了表征.
- 性能测试包括表面张力测量,学研究 (粘度,剪切稀释,马克斯韦流体行为),热稳定性测试和裂变流体评估 (支柱沉积,核心损伤).
主要成果:
- 合成的EUCGS表现出非常低的临界菌度 (0.018 mmol/L) 和优异的表面张力降低 (30.0 mN/m).
- 在较高度下,EUCGS溶液表现出非牛顿式的剪切稀释行为,具有自我组装的虫状菌体,显示出麦克斯韦流体特征.
- 基于EUCGS的裂变液在90°C时表现出优异的支柱沉积率和低核心损伤率 (0.9%),在100°C时表现良好,剪切率高.
结论:
- 设计的EUCGS提供了高界面活性,可控制的风质和优异的热盐稳定性的协同作用组合.
- EUCGS为开发智能,敏捷和清洁的压裂流体提供了可行的高效新材料.
- 这种表面活性剂的创新有助于在能源领域推进更清洁,更有效的水力压裂技术.
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