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Erschienen in: Journal of Material Cycles and Waste Management 3/2021

03.03.2021 | ORIGINAL ARTICLE

Recycling glass-polishing sludge and aluminum anodising sludge in polyurethane and cement composites: fire performance and mechanical properties

verfasst von: Rachel Faverzani Magnago, Thiago de Alcântara Braglia, Ana Carolina de Aguiar, Polyana Baungarten, Bruno Afonso Büchele Mendonça, Heloisa Regina Turatti Silva, Paola Egert, Edivandro Girotto, Américo Cruz Júnior, Gabriel Oscar Cremona Parma

Erschienen in: Journal of Material Cycles and Waste Management | Ausgabe 3/2021

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Abstract

This article aims to study the mechanical strength and fire resistance of polyurethane/cement (PuCem) composites containing glass sludge and sludge from aluminum anodizing. Scanning electron microscopy (SEM) results showed that the replacement of 24.5% of the cement with sand (San), aluminum anodizing (Aas), or glass-polishing sludge (Gla) maintained the alveolar structure in the composites. Also, energy-dispersive X-ray spectroscopy and FTIR analyses showed that the cement hydration reaction forms hydrated aluminates and silicates. ANOVA–Tukey tests showed that the PuCemAas composites’ areas are significantly different from those of PuCemGla and PuCemSan, which are similar to each other. The compressive strength decreases upon replacing cement with the aggregates. The TGA thermograms were similar for the four composites and the polyurethane matrix. The specimens were declassified in the vertical and horizontal position (UL-94). Thus, the composites were an alternative for reducing the use of raw materials from non-renewable sources.

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Metadaten
Titel
Recycling glass-polishing sludge and aluminum anodising sludge in polyurethane and cement composites: fire performance and mechanical properties
verfasst von
Rachel Faverzani Magnago
Thiago de Alcântara Braglia
Ana Carolina de Aguiar
Polyana Baungarten
Bruno Afonso Büchele Mendonça
Heloisa Regina Turatti Silva
Paola Egert
Edivandro Girotto
Américo Cruz Júnior
Gabriel Oscar Cremona Parma
Publikationsdatum
03.03.2021
Verlag
Springer Japan
Erschienen in
Journal of Material Cycles and Waste Management / Ausgabe 3/2021
Print ISSN: 1438-4957
Elektronische ISSN: 1611-8227
DOI
https://doi.org/10.1007/s10163-021-01202-x

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