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An electrophoretic coating using a nanosilica modified polyacrylate resin

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Abstract

Polyacrylate resins were prepared by a copolymerization of acrylates and methacrylates, in the presence (or absence) of a reactive nanosilica (RN), and polyacrylate resins were also modified by a half-blocked toluene diisocyanate (TDI). The RN, was prepared by a sol-gel process using tetraethyl orthosilicate (TEOS) and functionalized with 3-(trimethoxysilyl) propyl methacrylate (MPS). The RN was determined to have an average particle diameter of around 10 nm. The resin was thus transformed into an emulsion and deposited on steel plate using an electrophoretic coating process. The deposited films were further cured in an oven, where the half-blocked TDI crosslinked to form networks. The presence of nanosilica in the deposited film enhances physical properties, such as abrasion resistance, impact resistance, and thermal stability.

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Acknowledgements

This study was financially supported by the grant given by the Ministry of Economic Affairs, R. O. C. (grant number: NCSIST-497-V105 (104)). The reviewer offered precious comments, such as the suggestion of determining samples with nanoindentation, shedding some light on this study.

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Authors and Affiliations

  1. Department of Chemical Engineering, Feng Chia University, 100 Wen-Hwa Road, Seatwen, Taichung, 407, Taiwan

    Hou-Hsein Chu & Ching- Yuan Chang

  2. National Chung-Shan Institute of Science and Technology, Taichung, 407, Taiwan

    Bei-Huw Shen

Authors
  1. Hou-Hsein Chu
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  2. Ching- Yuan Chang
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  3. Bei-Huw Shen
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Correspondence to Hou-Hsein Chu.

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Chu, HH., Chang, C.Y. & Shen, BH. An electrophoretic coating using a nanosilica modified polyacrylate resin. J Polym Res 25, 44 (2018). https://doi.org/10.1007/s10965-018-1440-7

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  • DOI: https://doi.org/10.1007/s10965-018-1440-7

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