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Mechanical and thermophysical properties of cement mortars including bio-based microencapsulated phase change materials

Résumé : This study investigates the mechanical and thermophysical performance of cement mortars incorporating microencapsulated phase change materials (mPCMs), which consist of an aqueous dispersion of 100% bio-based fine core–shell particles. A specific protocol was used to manufacture the mortar samples, which ensures a homogeneous particle distribution and prevents microcapsule leakage. The addition of mPCMs to the mortar causes both a decrease in density, an increase in porosity, and a substantial loss of mechanical strength. Conversely, hot-disk characterization revealed a large improvement in the thermal performance. The system containing 8 wt% mPCMs exhibits a good balance between its mechanical and thermal properties.
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https://hal.archives-ouvertes.fr/hal-03791529
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Submitted on : Thursday, September 29, 2022 - 11:58:48 AM
Last modification on : Sunday, October 2, 2022 - 3:48:51 AM

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Franck Komi Gbekou, Karim Benzarti, Abderrahim Boudenne, Anissa Eddhahak, Myriam Duc. Mechanical and thermophysical properties of cement mortars including bio-based microencapsulated phase change materials. Construction and Building Materials, 2022, 352 (129056), ⟨10.1016/j.conbuildmat.2022.129056⟩. ⟨hal-03791529⟩

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