Durable bonding of silica nanoparticles to polymers by photoradiation for control of surface properties

被引：7

作者：

Nahum, T. ^{[1
]}

Dodiuk, H. ^{[1
]}

Dotan, A. ^{[1
]}

Kenig, S. ^{[1
]}

Lellouche, J. P. ^{[2
]}

机构：

[1] Shenkar Coll Engn & Design, Dept Plast Engn, IL-52526 Ramat Gan, Israel

[2] Bar Ilan Univ, Dept Chem, Nanomat Res Ctr, Inst Nanotechnol & Adv Mat, IL-52900 Ramat Gan, Israel

来源：

POLYMERS FOR ADVANCED TECHNOLOGIES | 2014年 / 25卷 / 07期

关键词：

functional coatings; hydrophobic coatings; UV-photoreactive silica nanoparticles; SUPERHYDROPHOBIC SURFACES; SOLID-SURFACES; COATINGS; NANOSTRUCTURES; TRANSPARENCY; LITHOGRAPHY; WETTABILITY; FABRICATION; FILMS; UV;

D O I：

10.1002/pat.3276

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Improvement of superhydrophobic surfaces durability is a critical key for potential commercial applications such as self-cleaning and ice repellency. In this study, functionalization of silica nanoparticles by photoreactive benzophenone groups was made in order to covalently bond nanoparticles to polymer substrates to obtain durable coatings. Upon ultraviolet irradiation reactive excited triplet benzophenone species are formed enabling them to react with the polymer matrix through hydrogen abstraction. Two matrices were studied: radiation-curable urethane acrylate and epoxy. The bonding of the particles to the surfaces was evaluated using atomic force microscope nanomanipulation and cross-section analysis. The results have shown a greater stability of the photoreactive silica nanoparticles. Copyright (c) 2014 John Wiley & Sons, Ltd.

引用

页码：723 / 731

页数：9

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