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多功能pH响应的双子表面活性剂

Bin Hu1, Jiani Liu1, Chengwen Deng1

  • 1School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, China.

Small (Weinheim an der Bergstrasse, Germany)
|July 11, 2025
PubMed
概括
此摘要是机器生成的。

一种新型的pH响应表面活性剂在双子体和单链体之间动态切换,使油水分离,3D打印和先进材料的气凝形成等多功能应用成为可能.

关键词:
乳液凝是一种乳液凝.双子座表面活性剂 双子座表面活性剂油/水分离器的使用方法具有pH响应性的结构化流体结构化流体

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科学领域:

  • 材料科学 材料科学 材料科学
  • 超分子化学 超分子化学
  • 表面化学 表面化学

背景情况:

  • 响应刺激的表面活性剂是石油回收和微反应器等应用的关键,因为它们具有动态自组装.
  • 目前的应用仅限于单个功能,阻碍了与先进制造业的整合.

研究的目的:

  • 开发一种具有适应性,多功能能力的pH响应的双子表面活性剂.
  • 探索其在油/水分离,液体结构,3D打印和气凝形成中的应用.

主要方法:

  • 合成了一种pH响应的双子表面活性剂 (GTL),在不同的pH水平下过渡到单链形式 (TL+).
  • 研究了GTL的乳化用于油/水分离和TL+/硫酸纤维素纳米晶 (CNC-OSO3-) 联合组装用于液体结构.
  • 评估的TL+/CNC-OSO3-乳液用于3D打印和气凝制造.
  • 运用密度函数理论 (DFT) 来理解接口吸附和联合组装机制.

主要成果:

  • GTL证明了高效的,可重复使用的油/水分离,由CO2/Ar.引发.
  • TL+/CNC-OSO3-联合组装形成可重新配置的全液体结构和自承载乳液.
  • 这些乳液作为3D打印油墨和热绝缘气凝的前体.
  • DFT揭示了依赖pH的吸附和非共价相互作用驱动了联合组装.

结论:

  • 响应pH的表面活性剂克服了单一功能限制,使适应性,多功能材料设计成为可能.
  • 这项工作为先进制造业中对刺激反应的表面活性剂建立了新的范式.
  • 开发的材料对包括智能液体设备和隔热等多种应用具有前景.