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Recycling of nonwoven polyethylene terephthalate textile into thermal and acoustic insulation for more sustainable buildings
ID Antolinc, David (Author), ID Eleršič Filipič, Kristina (Author)

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Abstract
The construction and building sector is responsible for a large share of energy and material used during the life cycle of a building. It is therefore crucial to apply a circular economy model within the process wherever possible to minimize the impact on the environment. In this paper, the possibility of producing thermal and acoustic boards from industrial nonwoven waste textile is studied and presented. The nonwoven polyester textile obtained directly from the production line in the form of strips and bales was first shredded into smaller fractions and then in the form of pile compressed with a hot press to form compact thermal insulation boards. The first set of specimens was prepared only from waste polyester nonwoven textile, whereas the second set was treated with sodium silicate in order to check the material’s reaction to fire performance. The experimental work was conducted to define the acoustic properties, reaction to fire behavior and thermal conductivity of the produced specimens. The obtained results show that the thermal conductivity coefficient of specimens without added water glass dissolution is near to the values of conventional materials used as thermal insulation in buildings. The reaction to fire testing proved that the addition of water glass actually propagates the progressive flame over the entire product. It can be concluded that the presented thermal insulation can be used as an adequate and sustainable solution for building construction purposes.

Language:English
Keywords:textile waste, thermal insulation, sound absorber, sustainability, circular economy, recycling
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publication status:Published
Publication version:Version of Record
Year:2021
Number of pages:15 str.
Numbering:Vol. 13, iss. 18, art. 3090
PID:20.500.12556/RUL-131847 This link opens in a new window
UDC:699.8
ISSN on article:2073-4360
DOI:10.3390/polym13183090 This link opens in a new window
COBISS.SI-ID:76471811 This link opens in a new window
Publication date in RUL:04.10.2021
Views:835
Downloads:116
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Record is a part of a journal

Title:Polymers
Shortened title:Polymers
Publisher:Molecular Diversity Preservation International
ISSN:2073-4360
COBISS.SI-ID:517951257 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Keywords:tekstilni odpadki, toplotna izolacija, zvočna izolacija, trajnostnost, krožno gospodarstvo, reciklaža

Projects

Funder:Other - Other funder or multiple funders
Funding programme:Slovenia, Ministry of Education, Science and Sport

Funder:EC - European Commission
Funding programme:European Social Fund

Funder:Other - Other funder or multiple funders
Funding programme:Public Scholarship, Development, Disability and Maintenance Fund of the Republic of Slovenia
Project number:11081-25/2016

Funder:ARRS - Slovenian Research Agency
Project number:P2-0185
Name:Potresno inženirstvo

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