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A modifier that enables the easy dispersion of alkyl-coated nanoparticles in an epoxy network

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Abstract

Nanoparticles (NPs) coated with alkyl chains cannot be dissolved in diglycidylether of bisphenol A (DGEBA), which is a typical monomer used in the synthesis of epoxy networks. We show that adding small amounts of the linear amphiphilic polymer obtained by reaction of DGEBA with dodecylamine, produced a stable dispersion of dodecanethiol-coated gold NPs in DGEBA. The anionic homopolymerization of this blend initiated by a tertiary amine led to a nanocomposite with a uniform dispersion of gold NPs. The selected crosslinking chemistry allowed covalent bonding of the modifier to the matrix, avoiding phase separation and enabling easy tuning of the thermal properties of the matrix.

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Acknowledgments

The financial support of the following Argentine institutions is gratefully acknowledged: National Research Council (CONICET), University of Mar del Plata, and National Agency for the Promotion of Science and Technology (ANPCyT).

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Authors and Affiliations

  1. Institute of Materials Science and Technology (INTEMA), University of Mar del Plata and National Research Council (CONICET), J. B. Justo 4302, 7600, Mar del Plata, Argentina

    Julieta Puig, Ileana A. Zucchi, Cristina E. Hoppe & Roberto J. J. Williams

  2. Departamento de Química Física, Facultad de Química, Universidad de Santiago de Compostela (USC), Campus Universitario Sur, 15782, Santiago de Compostela, Spain

    M. Arturo López-Quintela

Authors
  1. Julieta Puig
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  2. Ileana A. Zucchi
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  3. Cristina E. Hoppe
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  4. M. Arturo López-Quintela
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  5. Roberto J. J. Williams
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Correspondence to Cristina E. Hoppe.

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Puig, J., Zucchi, I.A., Hoppe, C.E. et al. A modifier that enables the easy dispersion of alkyl-coated nanoparticles in an epoxy network. Colloid Polym Sci 291, 1677–1682 (2013). https://doi.org/10.1007/s00396-013-2902-4

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  • DOI: https://doi.org/10.1007/s00396-013-2902-4

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