期刊
APPLIED SURFACE SCIENCE
卷 289, 期 -, 页码 586-591出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2013.11.048
关键词
Bio-inspired adhesives; Gecko; Microfibrillar structures; Surface treatment; Hydrophilic
类别
资金
- U.S. Department of Defense Small Business Innovation Research Program [FA8651-07-C-0092, W911NF-10-C-0060]
The effects of altering the polymer surface characteristics on adhesion qualities of bio-inspired fibrillar adhesives were found to be significant. Treatment of fibril tip surfaces in polymer fibrillar adhesives improved their wettability and adhesion capacity. Surface modifications of fibril tips involved UV/Ozone and oxygen plasma treatments for making the fibril tips more hydrophilic. These surface treatment effects, however, tend to degrade over time (rendering hydrophobic recovery). The stability of treated (hydrophilic) surfaces was improved, while retaining their wettability, through coating with a polyelectrolyte such as polyethyleneimine (PEI) via self-assembly. (C) 2013 Elsevier B.V. All rights reserved.
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