Preparation of polymer/silica composite antiglare coatings on poly(ethylene terphathalate) (PET) substrates

被引:15
作者
Chang, Chao-Ching [1 ,2 ]
Chen, Chien-Ming [1 ]
Hwang, Feng-His [1 ]
Chen, Ching-Chung [2 ]
Cheng, Liao-Ping [1 ,2 ]
机构
[1] Tamkang Univ, Dept Chem & Mat Engn, New Taipei City 25137, Taiwan
[2] Tamkang Univ, Energy & Optoelect Mat Res Ctr, New Taipei City 25137, Taiwan
关键词
Antiglare coating; Silica particle; Acrylate resin; UV-curing; Poly(ethylene terphathalate); Hardness; TRANSPARENT;
D O I
10.1007/s11998-011-9392-4
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
3-(Trimethoxysilyl) propyl methacrylate and fluoroalkylsilane modified silica particles were UV-cured with the multifunctional crosslinking agent, dipentaerythritol hexaacrylate (DPHA), to prepare antiglare (AG) coatings that exhibit high hardness. Modified silica was used to impart surface roughness whereas DPHA was used to provide hardness and adhesiveness. The formed AG coatings were characterized in terms of topological, optical, and mechanical properties. It was found that with the increase of DPHA content in the coatings, the surface roughness and haze decreased while the gloss and clarity increased. For samples containing 40 and 50 wt% DPHA, the optical properties are comparable to commercial AG products for flat panel display and touch panels. These prepared coatings also demonstrate high hardness of 5-6H and 100% adhesion on poly(ethylene terphathalate) substrates.
引用
收藏
页码:561 / 568
页数:8
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