Nonwetting, Nonrolling, Stain Resistant Polyhedral Oligomeric Silsesquioxane Coated Textiles

被引：29

作者：

Misra, Rahul ^{[1
]}

Cook, Robert D. ^{[1
]}

Morgan, Sarah E. ^{[1
]}

机构：

[1] Univ So Mississippi, Sch Polymers & High Performance Mat, Hattiesburg, MS 39406 USA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 115卷 / 04期

基金：

美国国家科学基金会;

关键词：

polyhedral oligomeric silsesquioxane; fabrics; coatings; nanotechnology; atomic force microscopy; COTTON TEXTILES; SURFACE; BEHAVIOR; EPOXY; COMPOSITES;

D O I：

10.1002/app.31365

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Cotton/polyester fabric surfaces were modified using nanostructured organic-inorganic polyhedral oligomeric silsesquioxane (POSS) molecules via solution dip coating. Surface wetting characteristics of coatings prepared from two chemically and structurally different POSS molecules, a closed cage fluorinated dodecatrifluoropropyl POSS (FL-POSS) and an open cage nonfluorinated trisilanolphenyl POSS (Tsp-POSS), were evaluated with time and compared with Teflon. Surface analysis, including Atomic Force Microscopy, SEM/EDAX, and NMR revealed the presence of POSS aggregates on the fabric surface leading to a spiky topography, high roughness, and hysteresis. POSS coated fabrics showed complete reversal of surface wetting characteristics with contact angles higher than the benchmark Teflon surface. Water contact angle measured as a function of time showed equivalent or better performance for POSS-coated surfaces in comparison to Teflon. Furthermore, FL-POSS coated fabric exhibited exceptional stain and acid resistance along with a 38% reduction in relative surface friction. Additionally, "nonslicling" and high surface adhesion behavior of water droplets on the FL-POSS coated fabric are reported. (C) 2009 Wiley Periodicals, Inc, J Appl Polym Sci 115: 2322-2331, 2010

引用

页码：2322 / 2331

页数：10

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