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中等尺度的聚合物表面活性剂:在滴滴界面上的光光学生产和定位
Zhefei Yang1, Deborah Snyder1, James Nicolas Pagaduan1
1Polymer Science & Engineering Department, Conte Center for Polymer Research, University of Massachusetts, Amherst, Massachusetts 01003, United States.
Journal of the American Chemical Society
|November 28, 2022
概括
研究人员通过光刻画模拟聚合物薄膜开发了新型中等尺度聚合物表面活性剂 (MPS). 这些MPS通过从液滴表面延伸臂来稳定液滴,为先进的乳液技术提供可调整的形状和接口吸附.
科学领域:
- 材料科学
- 体和表面化学
背景情况:
- 传统的乳液稳定依赖于分子表面活性剂或界面上的小颗粒.
- 开发用于液滴稳定的先进材料对于各种应用至关重要.
研究的目的:
- 引入一种使用光刻法制造中等尺度聚合物表面活性剂 (MPS) 的新方法.
- 研究这些MPS的形状,接口吸附和功能.
主要方法:
- 具有功能部分的薄聚合物薄膜 (氨酸,光酸发生器,三乙烯) 采用光刻法.
- 从基板中释放到水溶液中以形成MPS.
- 使用 lithographic 技术区分了 MPS 分段的湿度.
主要成果:
- 中等尺度的聚合物表面活性剂 (MPS) 已成功地制成带状结构,具有可调整的形状 (直,曲,螺旋形).
- MPS 显示吸附于流体接口,从滴水表面延伸尾.
- 通过疏水段定的双块式MPS允许有差异化的湿透性,将疏水段延伸到连续阶段.
结论:
- 光成形图案提供了一种多功能途径来设计中等尺度聚合物表面活性剂 (MPS).
- MPS 具有可控制的界面行为和形状,可有效稳定液滴.
- 这种方法为设计具有定制性质的先进皮克林式稳定器提供了一个平台.
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