Plant-based composite foam as insulating material: Foaming agent effect

Aguibi, Kawther; Dubois, Vincent; Chaveriat, Ludovic; Ontiveros, Jesus; Nardello-Rataj, Véronique; Martin, Patrick; Wirquin, Eric

Document type :

Article dans une revue scientifique: Article original

DOI :

10.1016/j.jobe.2024.110685

Permalink :

http://hdl.handle.net/20.500.12210/119058

Title :

Plant-based composite foam as insulating material: Foaming agent effect

Author(s) :

Aguibi, Kawther [Auteur]
Laboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]
Transformations et Agro-ressources [UT&A]
Dubois, Vincent [Auteur]

Laboratoire Génie Civil et géo-Environnement (LGCgE) - ULR 4515
Chaveriat, Ludovic [Auteur]
Unité Transformations et Agroressources [Université d'Artois] [UTA]
Ontiveros, Jesus [Auteur]

Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Nardello-Rataj, Véronique [Auteur]

Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Martin, Patrick [Auteur]
Unité Transformations et Agroressources [Université d'Artois] [UTA]
Wirquin, Eric [Auteur]

Laboratoire Génie Civil et géo-Environnement (LGCgE) - ULR 4515

Journal title :

J. Build. Eng.

Abbreviated title :

J. Build. Eng.

Volume number :

Pages :

Publication date :

2024-11-18

ISSN :

2352-7102

English keyword(s) :

Plant-based composite
Foaming agent
Porosity
Stability
Thermal behavior

HAL domain(s) :

Chimie/Chimie organique

English abstract : [en]

Foams or vegetable composites can represent solutions to reduce the environmental impact in the building sector by decreasing the use of non-renewable materials. Some composite foams are employed as insulating material due ...
Show more >Foams or vegetable composites can represent solutions to reduce the environmental impact in the building sector by decreasing the use of non-renewable materials. Some composite foams are employed as insulating material due to their low porosity which can be induced using surfactants allowing the foaming during the mixing step. Generally, the composition of foams includes exclusively mineral resources without vegetable part. This study aims to investigate the influence of two surfactants, the petrosourced foaming agent (PFA) Betomouss® and the biobased decyl α/β D-xylose ether (C10Xyl), on the foaming, stability, consistency, mechanical and thermal performances of a plant-based composite foam made of gypsum, earth and flax shives. The petrosourced surfactant decreases from 10 to 21 % more the dry density of the composite than the biosourced. This last generates larger air void bubbles than the petrosourced. The results have also shown that the addition of surfactant (biosourced or petrosourced) improves the fluidity of the plant-based composite in increasing the spreading diameter from 34.8 up to 50.8 % according to the surfactant concentration. The air void concentration is doubled inducing a thermal conductivity from 0.078 to 0.097 W m−1 K−1 in place of 0.147 W m−1 K−1 for the mix without foaming agent and a good thermal inertia with a time lag around 12 h and a decrement factor around 0.045, in considering a 240 mm depth material.Show less >

Language :

Anglais

Audience :

Internationale

Popular science :

Non

Administrative institution(s) :

Université de Lille
CNRS
Centrale Lille
ENSCL
Univ. Artois

Collections :

Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181

Research team(s) :

Colloïdes catalyse oxydation (CÏSCO)

Submission date :

2024-12-03T22:04:39Z
2024-12-11T08:34:45Z
2024-12-11T08:40:51Z

Version	Link	Modification date
3	20.500.12210/119058*	2024-12-11T08:40:26Z
2	20.500.12210/119058.2	2024-12-11T08:28:16Z
1	20.500.12210/119058.1	2024-12-03T22:04:39Z

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Plant-based composite foam as insulating ...

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