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Bio-based boronic ester vitrimer for realizing sustainable and highly thermally conducting nanocomposites

Authors
Shi, YongmingHong, YounggiHong, JiyaeYu, AyoungLee, Min WookLee, JiyoungGoh, Munju
Issue Date
Sep-2022
Publisher
ELSEVIER SCI LTD
Keywords
Boronic ester; Nanocomposite; High thermal conductivity; Sustainability; Bio-based material
Citation
COMPOSITES PART B-ENGINEERING, v.244
Indexed
SCIE
SCOPUS
Journal Title
COMPOSITES PART B-ENGINEERING
Volume
244
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/920
DOI
10.1016/j.compositesb.2022.110181
ISSN
1359-8368
1879-1069
Abstract
Bio-based vitrimers prepared using tannic acid, glycerol, and boric acid exhibited the properties of a hard solid and a viscoelastic liquid at low and high temperatures, respectively. The degree of boronic ester bonding increased in the presence of NaOH and cellulose nanofibers, giving an increased tensile strength and hardness. The optimal nanocomposite exhibited a higher thermal conductivity than organic-based polymers. Composites with Al2O3 and hexagonal boron nitride fillers gave extremely high thermal conductivities. A thermally con-ducting grating was also prepared using different thermally conducting vitrimers. Acidic treatment of the nanocomposite recovered the filler, indicating the application potential of these materials.
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농업생명과학대학 > Department of Environmental Materials Science > Journal Articles

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농업생명과학대학 (환경재료과학과)
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