Polímeros: Ciência e Tecnologia
https://revistapolimeros.org.br/article/doi/10.1590/0104-1428.05616
Polímeros: Ciência e Tecnologia
Original Article

Investigating the influence of conduit residues on polyurethane plates

Magnago, Rachel Faverzani; Müller, Nicolli Dayane; Martins, Mayara; Silva, Heloisa Regina Turatti; Egert, Paola; Silva, Luciano

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Abstract

Converting waste into a product similar to the original one or into another useful product is to save energy, protect natural resources, and bring back to the production cycle what was discarded. In that direction, new polyurethane-based composites have been developed by incorporating 5%, 10%, 15%, and 20% PVC conduit discarded by the construction industry. The objective of this study was to investigate the interaction between the phases of waste incorporation and the effect upon the new material properties. The samples were produced by the polycondensation process. Microstructural analysis revealed a reduction in pore size across the polymer matrix. However, there were no changes in thermal insulation, water absorption, compressive strength, and burning rate tests and in the thermogravimetric analysis and differential scanning calorimetry. The results from this study showed that the replacement of raw material by waste did not affect its properties.

Keywords

conduit, insulation, polyurethane, residue, thermal.

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