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Improving the Thermal Conductivity of Polymeric Nanofiber Web through the Incorporation of Boron Nitride Nanosheets

Improving the Thermal Conductivity of Polymeric Nanofiber Web through the Incorporation of Boron... To enhance the thermal conductivity of polymer composites, few-layered boron nitride nanosheets (BNNSs), produced by bath-sonicating BN powders in isopropyl alcohol (IPA), were embedded as nanofillers in polymeric nanofiber webs through electrospinning. The as-prepared BNNSs and their polymeric composites were characterized using various analytical tools. The alcoholytic reaction between the IPA molecules and BN surfaces resulted in substantial exfoliation of the BN powders and the formation of the crystalline few-layered BNNSs. The thermal conductivity of the polymeric composite having BNNSs was 2-fold higher than that of the pristine one. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fibers and Polymers Springer Journals

Improving the Thermal Conductivity of Polymeric Nanofiber Web through the Incorporation of Boron Nitride Nanosheets

Kim, Dukeun
Fibers and Polymers , Volume 23 (8) – Aug 1, 2022
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Publisher
Springer Journals
Copyright
Copyright © The Korean Fiber Society 2022
ISSN
1229-9197
eISSN
1875-0052
DOI
10.1007/s12221-022-4155-7
Publisher site
See Article on Publisher Site

Abstract

To enhance the thermal conductivity of polymer composites, few-layered boron nitride nanosheets (BNNSs), produced by bath-sonicating BN powders in isopropyl alcohol (IPA), were embedded as nanofillers in polymeric nanofiber webs through electrospinning. The as-prepared BNNSs and their polymeric composites were characterized using various analytical tools. The alcoholytic reaction between the IPA molecules and BN surfaces resulted in substantial exfoliation of the BN powders and the formation of the crystalline few-layered BNNSs. The thermal conductivity of the polymeric composite having BNNSs was 2-fold higher than that of the pristine one.

Journal

Fibers and Polymers – Springer Journals

Published: Aug 1, 2022

Keywords: Boron nitride powder; Boron nitride nanosheet; Liquid exfoliation; Thermal conductivity; Polymeric webs

References