接触角
X射线光电子能谱
硅氧烷
聚合
氧化物
化学工程
材料科学
椭圆偏振法
磁滞
高分子化学
化学
共价键
纳米技术
有机化学
聚合物
薄膜
复合材料
物理
量子力学
工程类
作者
Kaleigh M. R. Scher,Joseph W. Krumpfer
出处
期刊:Langmuir
[American Chemical Society]
日期:2023-06-30
卷期号:39 (28): 9715-9724
被引量:2
标识
DOI:10.1021/acs.langmuir.3c00682
摘要
The ability to control the surface chemistry of inorganic oxides has a profound impact on numerous applications, including lubrication, antifouling, and anticorrosion. While often overlooked as potential modifying agents given their lack of traditional functional groups, siloxanes have recently been shown to react readily with and covalently attach to inorganic oxide surfaces. Herein, we examine the reactions of cyclic siloxane vapor with solid interfaces via a ring-opening polymerization (ROP) initiated by the inherent acid/base characteristics of several smooth inorganic oxide surfaces. Surfaces are characterized by ellipsometry, dynamic contact angle analysis, and X-ray photoelectron spectroscopy (XPS). This technique requires no additional solvents and very little reactant to produce nanometer-thick hydrophobic surfaces that exhibit low contact angle hysteresis. Additional studies with particulate surfaces suggest that this method prepares conformal coatings regardless of surface architecture.
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