Katsura, D.; Maeda, T.; Kanamori, K.; Yamamoto, T.; Ohshita, J. Sound-Absorbing, Thermal-Insulating Material Based on Poly(methylsiloxane) Xerogel and Cellulose Nanofibers. Appl. Sci.2024, 14, 2570.
Katsura, D.; Maeda, T.; Kanamori, K.; Yamamoto, T.; Ohshita, J. Sound-Absorbing, Thermal-Insulating Material Based on Poly(methylsiloxane) Xerogel and Cellulose Nanofibers. Appl. Sci. 2024, 14, 2570.
Katsura, D.; Maeda, T.; Kanamori, K.; Yamamoto, T.; Ohshita, J. Sound-Absorbing, Thermal-Insulating Material Based on Poly(methylsiloxane) Xerogel and Cellulose Nanofibers. Appl. Sci.2024, 14, 2570.
Katsura, D.; Maeda, T.; Kanamori, K.; Yamamoto, T.; Ohshita, J. Sound-Absorbing, Thermal-Insulating Material Based on Poly(methylsiloxane) Xerogel and Cellulose Nanofibers. Appl. Sci. 2024, 14, 2570.
Abstract
The automotive industry needs to improve energy efficiency rapidly to achieve carbon neutrality while creating a safe, secure, comfortable driving environment for customers. Porous sound-absorbing materials and porous thermal insulators are typically used to satisfy these requirements despite limitations in mass and space. While these porous materials are similar, the microstructures they offer for high performance differ in the size and connectivity of their fluid phases, which enhances the difficulty of achieving excellent sound absorption and thermal insulation in the same material. In this study, a hydrophobic cellulose nanofiber–poly(methylsiloxane) xerogel composite was developed using computational microstructure modeling. This porous material has high porosity and excellent thermal insulation and sound absorption properties.
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