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Functionalization of Boron Nitride Nanotubes for Improved Dispersion, Alignment and Thermal Conductivity.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Functionalization of Boron Nitride Nanotubes for Improved Dispersion, Alignment and Thermal Conductivity./
Author:	Maselugbo, Adesewa Oluwaseun.
Description:	1 online resource (179 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 84-12, Section: B.
Contained By:	Dissertations Abstracts International84-12B.
Subject:	Nanotechnology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30419539click for full text (PQDT)
ISBN:	9798379752552

Functionalization of Boron Nitride Nanotubes for Improved Dispersion, Alignment and Thermal Conductivity.
Maselugbo, Adesewa Oluwaseun.

Functionalization of Boron Nitride Nanotubes for Improved Dispersion, Alignment and Thermal Conductivity. - 1 online resource (179 pages)

Source: Dissertations Abstracts International, Volume: 84-12, Section: B.

Thesis (Ph.D.)--North Carolina Agricultural and Technical State University, 2023.

Includes bibliographical references

Boron nitride nanotubes (BNNTs) are being studied as fillers for thermally conductive polymer composites due to their high anisotropic thermal conductivity. However, the thermal conductivity of the produced BNNT-thermally conductive polymer does not match the theoretical prediction. This has been linked to random BNNT orientation and poor BNNT dispersion in polymer. We investigate the use of a sonochemical process to covalently functionalize BNNT with fluorine moieties to improve dispersion in fluorinated fluids and polymers, and thus thermal conductivity. We also investigate the surface modification of BNNT with iron oxide nanoparticles for possible alignment using magnetic field. The effects of varying BNNT concentrations on thermal conductivity in an ethylene and propylene water mixture were also investigated. Finally, the literature on the structure, properties, synthesis, and application of BNNTs was reviewed, with an emphasis on purification.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798379752552Subjects--Topical Terms:

526235
Nanotechnology.
Subjects--Index Terms:

Boron nitride nanofluidsIndex Terms--Genre/Form:

542853
Electronic books.

Functionalization of Boron Nitride Nanotubes for Improved Dispersion, Alignment and Thermal Conductivity.
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245 1 0 $a Functionalization of Boron Nitride Nanotubes for Improved Dispersion, Alignment and Thermal Conductivity.
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500 $a Source: Dissertations Abstracts International, Volume: 84-12, Section: B.
500 $a Advisor: Alston, Jeffrey R.
502 $a Thesis (Ph.D.)--North Carolina Agricultural and Technical State University, 2023.
504 $a Includes bibliographical references
520 $a Boron nitride nanotubes (BNNTs) are being studied as fillers for thermally conductive polymer composites due to their high anisotropic thermal conductivity. However, the thermal conductivity of the produced BNNT-thermally conductive polymer does not match the theoretical prediction. This has been linked to random BNNT orientation and poor BNNT dispersion in polymer. We investigate the use of a sonochemical process to covalently functionalize BNNT with fluorine moieties to improve dispersion in fluorinated fluids and polymers, and thus thermal conductivity. We also investigate the surface modification of BNNT with iron oxide nanoparticles for possible alignment using magnetic field. The effects of varying BNNT concentrations on thermal conductivity in an ethylene and propylene water mixture were also investigated. Finally, the literature on the structure, properties, synthesis, and application of BNNTs was reviewed, with an emphasis on purification.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Nanotechnology. $3 526235
650 4 $a Nanoscience. $3 587832
650 4 $a Materials science. $3 543314
653 $a Boron nitride nanofluids
653 $a Boron nitride nanotube
653 $a Functionalization
653 $a Iron oxide nanoparticle
653 $a Purification
653 $a Thermal conductivity
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773 0 $t Dissertations Abstracts International $g 84-12B.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30419539 $z click for full text (PQDT)