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

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Abstract

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.

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Authors and Affiliations

  1. Department of Chemical and Materials Engineering, Tamkang University, 151, Yingzhuan Rd., Tamsui Dist., New Taipei City, 25137, Taiwan, ROC

    Chao-Ching Chang, Chien-Ming Chen, Feng-His Hwang & Liao-Ping Cheng

  2. Energy and Opto-Electronic Materials Research Center, Tamkang University, 151, Yingzhuan Rd., Tamsui Dist., New Taipei City, 25137, Taiwan, ROC

    Chao-Ching Chang, Ching-Chung Chen & Liao-Ping Cheng

Authors
  1. Chao-Ching Chang
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  2. Chien-Ming Chen
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  3. Feng-His Hwang
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  4. Ching-Chung Chen
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  5. Liao-Ping Cheng
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Correspondence to Liao-Ping Cheng.

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Chang, CC., Chen, CM., Hwang, FH. et al. Preparation of polymer/silica composite antiglare coatings on poly(ethylene terphathalate) (PET) substrates. J Coat Technol Res 9, 561–568 (2012). https://doi.org/10.1007/s11998-011-9392-4

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  • DOI: https://doi.org/10.1007/s11998-011-9392-4

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