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The performance of resilient layers made from cork granulates mixed with resins for impact noise reduction

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Abstract

This paper analyses the impact noise reduction of resilient layers made from cork granulates with eight different sizes, mixed with polyurethane and epoxy resins. The predicted impact sound improvement index and dynamic stiffness are compared with some commercially available underlays. According to the type of binder and particle size, the acoustical cork based layers present values of the impact sound improvement index and dynamic stiffness similar to the commercial layers used in buildings.

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Authors and Affiliations

  1. Instituto Tecnológico de Rocas Ornamentales y Materiales de Construcción, INTROMAC, Campus Universidad de Extremadura, S/N, Apdo. 135, 10071, Cáceres, Spain

    Rubén Maderuelo-Sanz

  2. Dpto de Física Aplicada. E. Politécnica, Universidad Extremadura, 10003, Cáceres, Spain

    Rubén Maderuelo-Sanz, Juan Miguel Barrigón Morillas & Valentín Gómez Escobar

Authors
  1. Rubén Maderuelo-Sanz
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  2. Juan Miguel Barrigón Morillas
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  3. Valentín Gómez Escobar
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Correspondence to Rubén Maderuelo-Sanz.

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Maderuelo-Sanz, R., Barrigón Morillas, J.M. & Gómez Escobar, V. The performance of resilient layers made from cork granulates mixed with resins for impact noise reduction. Eur. J. Wood Prod. 72, 833–835 (2014). https://doi.org/10.1007/s00107-014-0845-1

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  • DOI: https://doi.org/10.1007/s00107-014-0845-1

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