Effect of an anionic surfactant on the structure and thermal insulation properties of the citric acid crosslinked cellulose nanofiber foam

Dinesh Kumar; Hanbin Wang; Shuaishuai Zhu; Bijender Kumar; Jaehwan Kim

doi:10.1117/12.2657972

28 April 2023 Effect of an anionic surfactant on the structure and thermal insulation properties of the citric acid crosslinked cellulose nanofiber foam

Dinesh Kumar, Hanbin Wang, Shuaishuai Zhu, Bijender Kumar, Jaehwan Kim

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Proceedings Volume PC12485, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2023; PC124850E (2023) https://doi.org/10.1117/12.2657972
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States

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Abstract

In this study, the effect of anionic surfactant, sodium dodecyl sulfate (SDS), on the structure and thermal insulation properties of the citric acid crosslinked CNF foam is investigated. The addition of the SDS improves the foam structure, and the prepared CNF foam indicates a porosity of around 99% and a density of around 20 mg/cm3 with very low shrinkage. SEM and FTIR are used to examine the morphology and chemical interactions. Further, the effect of the SDS on the thermal conductivity of the foam is investigated, and the foam shows thermal conductivity comparable with polyurethane foam.

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Dinesh Kumar, Hanbin Wang, Shuaishuai Zhu, Bijender Kumar, and Jaehwan Kim "Effect of an anionic surfactant on the structure and thermal insulation properties of the citric acid crosslinked cellulose nanofiber foam", Proc. SPIE PC12485, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2023, PC124850E (28 April 2023); https://doi.org/10.1117/12.2657972

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