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Interface-driven phase-separated coatings

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Abstract

A homogeneous mixture of two polymers dissolved in a common solvent or a mixture of solvents was applied as a thin film. The first component was a bisphenol-A based epoxide derivative modified with tetraethoxysilane (TEOS) oligomer and the second component was a high-solids fluorinated acrylic copolymer. The thin films were coated on steel substrates and were thermally crosslinked using a methylated melamine formaldehyde and/or a polyamide-amine curing agent. The films were evaluated via x-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) with integrated energy dispersive spectroscopy (EDS). It was found that the molecular weight of the resins, fluorine content, epoxide inorganic modification, and curing agent affected the degree of stratification.

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Acknowledgments

The authors would also like to thank Dr. Wayne Jennings from Materials Science and Engineering Department at Case Western Reserve University for the XPS analysis.

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Authors and Affiliations

  1. Department of Polymer Engineering, The University of Akron, Akron, OH, 44325, USA

    Elif Alyamac, Hua Gu & Mark D. Soucek

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  1. Elif Alyamac
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  2. Hua Gu
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  3. Mark D. Soucek
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Correspondence to Mark D. Soucek.

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Alyamac, E., Gu, H. & Soucek, M.D. Interface-driven phase-separated coatings. J Coat Technol Res 11, 665–683 (2014). https://doi.org/10.1007/s11998-014-9591-x

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