相关实验视频
Updated: Jul 23, 2025

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Investigating Single Molecule Adhesion by Atomic Force Spectroscopy
Published on: February 27, 2015
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合作性三酸盐与结合的相互作用使得水下粘合力强
Zachary D Lamberty1, Ngon T Tran2, Christian D van Engers3
1Chemical and Biomolecular Engineering Department, University of California, Berkeley, Berkeley, California 94760, United States.
ACS applied materials & interfaces
|July 14, 2023
概括
多牙结合增强了水下粘附. 环氧体中的三酸醇组产生强大的合作键,提高了空气和水中的粘合强度.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 表面化学 表面化学
背景情况:
- 多联相互作用是改善水下粘附的关键.
- 量化宏观粘合强度和合作性键之间的联系是具有挑战性的.
研究的目的:
- 在环氧中研究三酸醇部分对增强粘附的合作作用.
- 将分子相互作用与宏观粘合性能联系起来.
主要方法:
- 加入三酸醇部分到一个模型环氧.
- 用米卡和在空气和水中的粘合强度测量.
- 分析了取决于速率的粘附和建模的界面键激活能量.
主要成果:
- 三酸醇组在空气和水中保持了相似的粘合强度.
- 粘附在两个环境中都显示了能量释放率的增加与裂纹速度的增加.
- 估计债券寿命为2 ms至6 s,激活能量为23-31 kBT.
结论:
- 三醇组,特别是Tris部分,以合作方式结合在一起.
- 这种合作性粘合在水下形成了强大的粘合相互作用.
- 这些发现支持多酸结合作为水下粘附的策略.
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