Disc-Shaped Particles with Cellulose Nanocrystals and Poly(ethylene glycol)-Based Polymers as Phase-Change Materials
- 1Kyushu Institute of Technology , , 1-1 Sensui , , ,
Abstract
We have previously reported that disc-shaped particles are fabricated from cellulose nanocrystals (CNCs) and polyethylene glycol diacrylate (PEGDA) through reorganization in a solvent. The disc-shaped particles, which encapsulate PEGDA with outer-segregated CNCs, can be a promising heat storage material through the phase transition of PEGDA around 50 °C, based on the general view that they have a larger specific surface area than spherical ones, with the assistance of outer-segregated CNCs. In this study, we have clarified the thermal properties of the disc-shaped particles and proved that these discs are promising phase-change materials (PCM): First, the PEGDA crystals in the discs are easier to crystallize during the cooling process than in the bulk state, leading to suppressed supercooling, reasonably due to the larger specific surface area, and the other is that the powder of the disc particles does not melt in appearance above the melting temperature, which leads to a stand-alone leakage-free PCM.
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BibTeX
@article{mouri2026discshaped,
title = {{Disc-Shaped Particles with Cellulose Nanocrystals and Poly(ethylene glycol)-Based Polymers as Phase-Change Materials}},
author = {Emiko Mouri and Ryohei Iwahisa and Teruyuki Nakato},
journal = {ACS Omega},
year = {2026},
month = nov,
doi = {10.1021/acsomega.6c08141},
url = {https://pubs.acs.org/acsodf/article/doi/10.1021/acsomega.6c08141/5466347/Disc-Shaped-Particles-with-Cellulose-Nanocrystals},
note = {CC BY-NC-ND 4.0},
}
RIS
TY - JOUR
TI - Disc-Shaped Particles with Cellulose Nanocrystals and Poly(ethylene glycol)-Based Polymers as Phase-Change Materials
AU - Emiko Mouri
AU - Ryohei Iwahisa
AU - Teruyuki Nakato
PY - 2026
DA - 2026/11/09
JO - ACS Omega
DO - 10.1021/acsomega.6c08141
UR - https://pubs.acs.org/acsodf/article/doi/10.1021/acsomega.6c08141/5466347/Disc-Shaped-Particles-with-Cellulose-Nanocrystals
AB - We have previously reported that disc-shaped particles are fabricated from cellulose nanocrystals (CNCs) and polyethylene glycol diacrylate (PEGDA) through reorganization in a solvent. The disc-shaped particles, which encapsulate PEGDA with outer-segregated CNCs, can be a promising heat storage material through the phase transition of PEGDA around 50 °C, based on the general view that they have a larger specific surface area than spherical ones, with the assistance of outer-segregated CNCs. In this study, we have clarified the thermal properties of the disc-shaped particles and proved that these discs are promising phase-change materials (PCM): First, the PEGDA crystals in the discs are easier to crystallize during the cooling process than in the bulk state, leading to suppressed supercooling, reasonably due to the larger specific surface area, and the other is that the powder of the disc particles does not melt in appearance above the melting temperature, which leads to a stand-alone leakage-free PCM.
SN - 2470-1343
ER -