Influence of agricultural fibers size on mechanical and insulating properties of innovative chitosan-based insulators
[Display omitted] •Thermal chitosan based insulating panels made of miscanthus fibres, rice husks and recycled textile wastes were developed.•Better insulating properties were obtained for medium sized fibres panels.•Linear relationship is found for thermal conductivity and effusivity compared to pa...
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| Veröffentlicht in: | Construction & building materials 2021-06, Vol.287, p.123071, Article 123071 |
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| container_title | Construction & building materials |
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| creator | Khalaf, Yasmina El Hage, Peter Dimitrova Mihajlova, Julia Bergeret, Anne Lacroix, Patrick El Hage, Roland |
| description | [Display omitted]
•Thermal chitosan based insulating panels made of miscanthus fibres, rice husks and recycled textile wastes were developed.•Better insulating properties were obtained for medium sized fibres panels.•Linear relationship is found for thermal conductivity and effusivity compared to particles size.•Better mechanical performance for short miscanthus fibers (Ms |
| doi_str_mv | 10.1016/j.conbuildmat.2021.123071 |
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•Thermal chitosan based insulating panels made of miscanthus fibres, rice husks and recycled textile wastes were developed.•Better insulating properties were obtained for medium sized fibres panels.•Linear relationship is found for thermal conductivity and effusivity compared to particles size.•Better mechanical performance for short miscanthus fibers (Ms < 1 mm) alone or mixed with textile waste.
This work is dealing withthe use of miscanthus, recycled textile and rice husks as reinforcement for chitosan matrix to elaborate new insulating composites for building application. Insulating composites having thermal conductivity of 0.07–0.09 W.m−1.K−1and density of 350–400 Kg.m−3were manufactured by thermocompression. Different granulometry of miscanthus (0.2–0.5 cm and 1–2 cm) and rice husks (1–2 cm) have been used with and without textile to evaluate the effect of reinforcements particle size and nature on composites thermal and mechanical properties. Thermal conductivity and effusivity shows a linear behavior related to their increasing by raising up the reinforcement’s particle size. The highest mechanical properties in bending (modulus: 69–65 MPa;stress: 0.48–0.45 MPa) and compression (modulus: 36–26 MPa;stress: 0.65–0.56 MPa) were found for the formulations with small size miscanthus. Thus, the incorporation of small miscanthus particle size <1 mm leads to satisfying and promising results in terms of composites competing with the conventional insulating materials used nowadays.</description><identifier>ISSN: 0950-0618</identifier><identifier>EISSN: 1879-0526</identifier><identifier>DOI: 10.1016/j.conbuildmat.2021.123071</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Building insulation ; Composites ; Engineering Sciences ; Mechanical properties ; Natural fibers ; Porosity ; Thermal properties</subject><ispartof>Construction & building materials, 2021-06, Vol.287, p.123071, Article 123071</ispartof><rights>2021 Elsevier Ltd</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c406t-76ab7dc5a1106a16ebf6bec5fc5dcfdfe8a6de0f0e80de1cd7b485c8edeee0163</citedby><cites>FETCH-LOGICAL-c406t-76ab7dc5a1106a16ebf6bec5fc5dcfdfe8a6de0f0e80de1cd7b485c8edeee0163</cites><orcidid>0000-0001-7118-6584</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.conbuildmat.2021.123071$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,777,781,882,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttps://imt-mines-ales.hal.science/hal-03182666$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Khalaf, Yasmina</creatorcontrib><creatorcontrib>El Hage, Peter</creatorcontrib><creatorcontrib>Dimitrova Mihajlova, Julia</creatorcontrib><creatorcontrib>Bergeret, Anne</creatorcontrib><creatorcontrib>Lacroix, Patrick</creatorcontrib><creatorcontrib>El Hage, Roland</creatorcontrib><title>Influence of agricultural fibers size on mechanical and insulating properties of innovative chitosan-based insulators</title><title>Construction & building materials</title><description>[Display omitted]
•Thermal chitosan based insulating panels made of miscanthus fibres, rice husks and recycled textile wastes were developed.•Better insulating properties were obtained for medium sized fibres panels.•Linear relationship is found for thermal conductivity and effusivity compared to particles size.•Better mechanical performance for short miscanthus fibers (Ms < 1 mm) alone or mixed with textile waste.
This work is dealing withthe use of miscanthus, recycled textile and rice husks as reinforcement for chitosan matrix to elaborate new insulating composites for building application. Insulating composites having thermal conductivity of 0.07–0.09 W.m−1.K−1and density of 350–400 Kg.m−3were manufactured by thermocompression. Different granulometry of miscanthus (0.2–0.5 cm and 1–2 cm) and rice husks (1–2 cm) have been used with and without textile to evaluate the effect of reinforcements particle size and nature on composites thermal and mechanical properties. Thermal conductivity and effusivity shows a linear behavior related to their increasing by raising up the reinforcement’s particle size. The highest mechanical properties in bending (modulus: 69–65 MPa;stress: 0.48–0.45 MPa) and compression (modulus: 36–26 MPa;stress: 0.65–0.56 MPa) were found for the formulations with small size miscanthus. Thus, the incorporation of small miscanthus particle size <1 mm leads to satisfying and promising results in terms of composites competing with the conventional insulating materials used nowadays.</description><subject>Building insulation</subject><subject>Composites</subject><subject>Engineering Sciences</subject><subject>Mechanical properties</subject><subject>Natural fibers</subject><subject>Porosity</subject><subject>Thermal properties</subject><issn>0950-0618</issn><issn>1879-0526</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqNkMFKw0AQhhdRsFbfIR49pM6mzSY9lqK2UPCi52WyO9tuSXfLbhLQpzchUjx6Gph_vh_mY-yRw4wDF8_HmfKuam2tT9jMMsj4jGdzKPgVm_CyWKaQZ-KaTWCZQwqCl7fsLsYjAIhMZBPWbp2pW3KKEm8S3Aer2rppA9aJsRWFmET73WcuOZE6oLOqT9DpxLrY1thYt0_OwZ8pNJbi0GGd810fdJSog218RJdWGOmC-BDv2Y3BOtLD75yyz9eXj_Um3b2_bderXaoWIJq0EFgVWuXIOQjkgiojKlK5UblWRhsqUWgCA1SCJq50US3KXJWkiai3M5-yp7H3gLU8B3vC8CU9WrlZ7eSwgzkvMyFEx_vb5Xirgo8xkLkAHOTgWh7lH9dycC1H1z27Hlnqn-ksBRmVHaRqG0g1Unv7j5YfiaKSwQ</recordid><startdate>20210614</startdate><enddate>20210614</enddate><creator>Khalaf, Yasmina</creator><creator>El Hage, Peter</creator><creator>Dimitrova Mihajlova, Julia</creator><creator>Bergeret, Anne</creator><creator>Lacroix, Patrick</creator><creator>El Hage, Roland</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0001-7118-6584</orcidid></search><sort><creationdate>20210614</creationdate><title>Influence of agricultural fibers size on mechanical and insulating properties of innovative chitosan-based insulators</title><author>Khalaf, Yasmina ; El Hage, Peter ; Dimitrova Mihajlova, Julia ; Bergeret, Anne ; Lacroix, Patrick ; El Hage, Roland</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c406t-76ab7dc5a1106a16ebf6bec5fc5dcfdfe8a6de0f0e80de1cd7b485c8edeee0163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Building insulation</topic><topic>Composites</topic><topic>Engineering Sciences</topic><topic>Mechanical properties</topic><topic>Natural fibers</topic><topic>Porosity</topic><topic>Thermal properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Khalaf, Yasmina</creatorcontrib><creatorcontrib>El Hage, Peter</creatorcontrib><creatorcontrib>Dimitrova Mihajlova, Julia</creatorcontrib><creatorcontrib>Bergeret, Anne</creatorcontrib><creatorcontrib>Lacroix, Patrick</creatorcontrib><creatorcontrib>El Hage, Roland</creatorcontrib><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Construction & building materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Khalaf, Yasmina</au><au>El Hage, Peter</au><au>Dimitrova Mihajlova, Julia</au><au>Bergeret, Anne</au><au>Lacroix, Patrick</au><au>El Hage, Roland</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of agricultural fibers size on mechanical and insulating properties of innovative chitosan-based insulators</atitle><jtitle>Construction & building materials</jtitle><date>2021-06-14</date><risdate>2021</risdate><volume>287</volume><spage>123071</spage><pages>123071-</pages><artnum>123071</artnum><issn>0950-0618</issn><eissn>1879-0526</eissn><abstract>[Display omitted]
•Thermal chitosan based insulating panels made of miscanthus fibres, rice husks and recycled textile wastes were developed.•Better insulating properties were obtained for medium sized fibres panels.•Linear relationship is found for thermal conductivity and effusivity compared to particles size.•Better mechanical performance for short miscanthus fibers (Ms < 1 mm) alone or mixed with textile waste.
This work is dealing withthe use of miscanthus, recycled textile and rice husks as reinforcement for chitosan matrix to elaborate new insulating composites for building application. Insulating composites having thermal conductivity of 0.07–0.09 W.m−1.K−1and density of 350–400 Kg.m−3were manufactured by thermocompression. Different granulometry of miscanthus (0.2–0.5 cm and 1–2 cm) and rice husks (1–2 cm) have been used with and without textile to evaluate the effect of reinforcements particle size and nature on composites thermal and mechanical properties. Thermal conductivity and effusivity shows a linear behavior related to their increasing by raising up the reinforcement’s particle size. The highest mechanical properties in bending (modulus: 69–65 MPa;stress: 0.48–0.45 MPa) and compression (modulus: 36–26 MPa;stress: 0.65–0.56 MPa) were found for the formulations with small size miscanthus. Thus, the incorporation of small miscanthus particle size <1 mm leads to satisfying and promising results in terms of composites competing with the conventional insulating materials used nowadays.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.conbuildmat.2021.123071</doi><orcidid>https://orcid.org/0000-0001-7118-6584</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Construction & building materials, 2021-06, Vol.287, p.123071, Article 123071 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Building insulation Composites Engineering Sciences Mechanical properties Natural fibers Porosity Thermal properties |
| title | Influence of agricultural fibers size on mechanical and insulating properties of innovative chitosan-based insulators |
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