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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Sound Insulation of Floors: A New Composite with a Resilient Layer of Recycled Polymer
Author(s)
Aline Zini1, Letícia K. Zuchetto2, Maria Fernanda de O. Nunes3, Ana M. C. Grisa1, Daniel T. Pagnussat3 and Mara Zeni1
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DOI:10.17265/1934-7359/2016.08.001
Affiliation(s)
1. Laboratory of Materials Chemistry Research, University of Caxias do Sul, Caxias do Sul RS 95070-560, Brazil
2. Institute of Technology for Civil Construction, University of Vale do Rio dos Sinos, São Leopoldo RS 93022-750, Brazil
3. Laboratory of Constructive Technology, University of Caxias do Sul, Caxias do Sul RS 95010-550, Brasil
ABSTRACT
PU (polyurethane) integral skin and PVC (polyvinyl chloride) are polymeric
materials which have favorable physical characteristics to reduce the impact
noise when applied to floor systems. In civil construction, floating floors
systems are composed of two layers above the slab: a resilient layer and, above this, a rigid layer of cement matrix that
works as a subfloor. This research aims to evaluate the incorporation of PVC
and PU skin waste in the resilient layer of the floating floor, for impact
noise insulation. It was conducted physical,
mechanical and morphological tests in the composite, as SEM (scanning electron
microscopy), determination of compressive creep, and impact noise test to
evaluate the absorption capacity of the floor system over time. Furthermore,
experimental results were compared with theoretical studies. These correlations
may assist in understanding the behavior of impact noise damping and its
relation to the size of the samples.
KEYWORDS
Floor system, impact noise insulation, recycled polymer.
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