Use of Polycarbonate Waste as Aggregate in Recycled Gypsum Plasters

The use of gypsum as an indoor coating material for buildings is very extensive. This means that huge amounts of gypsum waste are generated daily worldwide. Therefore, many researchers in the last years have been working on the generation of new gypsum-related materials and products that incorporate...

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Autores: Manuel Alejandro Pedreño-Rojas, Carmen Rodríguez-Liñán, Inês Flores-Colen, Jorge de Brito
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:España
Institución:Universidad de Sevilla (US)
Repositorio:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/100946
Acceso en línea:https://hdl.handle.net/11441/100946
https://doi.org/10.3390/ma13143042
Access Level:acceso abierto
Palabra clave:recycled gypsum
gypsum plaster
plastic waste
mechanical properties
SEM
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spelling Use of Polycarbonate Waste as Aggregate in Recycled Gypsum PlastersManuel Alejandro Pedreño-RojasCarmen Rodríguez-LiñánInês Flores-ColenJorge de Britorecycled gypsumgypsum plasterplastic wastemechanical propertiesSEMThe use of gypsum as an indoor coating material for buildings is very extensive. This means that huge amounts of gypsum waste are generated daily worldwide. Therefore, many researchers in the last years have been working on the generation of new gypsum-related materials and products that incorporate recycled gypsum waste as a replacement for the commercial one. On the other hand, trying to reduce the large amounts of plastic generated globally each year, several studies have used different types of plastic waste as aggregates for the development of new construction and building materials. However, up to now, no previous studies have been found in which any type of plastic waste has been used as an aggregate in a recycled gypsum matrix. This paper presents a study in which two different types of waste were mixed for the development of new gypsum plasters: unheated gypsum waste from industrial plasterboard production (GPW) and polycarbonate (PC) waste from rejected compact discs (CDs) and digital versatile discs (DVDs). In this sense, the mechanical and thermal performance of plasters was evaluated. Finally, in order to evaluate the changes in the microstructure of the composites, a scanning electron microscopy (SEM) analysis was conducted. The results showed a good performance of the new composites when both types of waste were combined in the mixes. New lightweight eco-efficient plasters, completely recycled, with enhanced flexural strength (by 14.8%), compressive strength (by 26.8%), and thermal conductivity (42.8% less), compared to the reference material, were achieved.Construcciones Arquitectónicas I2020info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttps://hdl.handle.net/11441/100946https://doi.org/10.3390/ma13143042reponame:idUS. Depósito de Investigación de la Universidad de Sevillainstname:Universidad de Sevilla (US)Inglésinfo:eu-repo/semantics/openAccessoai:idus.us.es:11441/1009462026-06-17T12:51:07Z
dc.title.none.fl_str_mv Use of Polycarbonate Waste as Aggregate in Recycled Gypsum Plasters
title Use of Polycarbonate Waste as Aggregate in Recycled Gypsum Plasters
spellingShingle Use of Polycarbonate Waste as Aggregate in Recycled Gypsum Plasters
Manuel Alejandro Pedreño-Rojas
recycled gypsum
gypsum plaster
plastic waste
mechanical properties
SEM
title_short Use of Polycarbonate Waste as Aggregate in Recycled Gypsum Plasters
title_full Use of Polycarbonate Waste as Aggregate in Recycled Gypsum Plasters
title_fullStr Use of Polycarbonate Waste as Aggregate in Recycled Gypsum Plasters
title_full_unstemmed Use of Polycarbonate Waste as Aggregate in Recycled Gypsum Plasters
title_sort Use of Polycarbonate Waste as Aggregate in Recycled Gypsum Plasters
dc.creator.none.fl_str_mv Manuel Alejandro Pedreño-Rojas
Carmen Rodríguez-Liñán
Inês Flores-Colen
Jorge de Brito
author Manuel Alejandro Pedreño-Rojas
author_facet Manuel Alejandro Pedreño-Rojas
Carmen Rodríguez-Liñán
Inês Flores-Colen
Jorge de Brito
author_role author
author2 Carmen Rodríguez-Liñán
Inês Flores-Colen
Jorge de Brito
author2_role author
author
author
dc.contributor.none.fl_str_mv Construcciones Arquitectónicas I
dc.subject.none.fl_str_mv recycled gypsum
gypsum plaster
plastic waste
mechanical properties
SEM
topic recycled gypsum
gypsum plaster
plastic waste
mechanical properties
SEM
description The use of gypsum as an indoor coating material for buildings is very extensive. This means that huge amounts of gypsum waste are generated daily worldwide. Therefore, many researchers in the last years have been working on the generation of new gypsum-related materials and products that incorporate recycled gypsum waste as a replacement for the commercial one. On the other hand, trying to reduce the large amounts of plastic generated globally each year, several studies have used different types of plastic waste as aggregates for the development of new construction and building materials. However, up to now, no previous studies have been found in which any type of plastic waste has been used as an aggregate in a recycled gypsum matrix. This paper presents a study in which two different types of waste were mixed for the development of new gypsum plasters: unheated gypsum waste from industrial plasterboard production (GPW) and polycarbonate (PC) waste from rejected compact discs (CDs) and digital versatile discs (DVDs). In this sense, the mechanical and thermal performance of plasters was evaluated. Finally, in order to evaluate the changes in the microstructure of the composites, a scanning electron microscopy (SEM) analysis was conducted. The results showed a good performance of the new composites when both types of waste were combined in the mixes. New lightweight eco-efficient plasters, completely recycled, with enhanced flexural strength (by 14.8%), compressive strength (by 26.8%), and thermal conductivity (42.8% less), compared to the reference material, were achieved.
publishDate 2020
dc.date.none.fl_str_mv 2020
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dc.identifier.none.fl_str_mv https://hdl.handle.net/11441/100946
https://doi.org/10.3390/ma13143042
url https://hdl.handle.net/11441/100946
https://doi.org/10.3390/ma13143042
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.source.none.fl_str_mv reponame:idUS. Depósito de Investigación de la Universidad de Sevilla
instname:Universidad de Sevilla (US)
instname_str Universidad de Sevilla (US)
reponame_str idUS. Depósito de Investigación de la Universidad de Sevilla
collection idUS. Depósito de Investigación de la Universidad de Sevilla
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