Enhanced mechanical properties and thermal conductivity of polyimide nanocomposites incorporating individualized boron-doped graphene

Ha Yu-Mi (하유미); Kim Young Nam (김영남); Kim Young-O (김영오); sochan (소찬); Lee Jae-Suk (이재석); Kim， Jaewook (김재욱); Jung Yong Chae (정영채)

doi:10.1007/s42823-019-00115-y

Enhanced mechanical properties and thermal conductivity of polyimide nanocomposites incorporating individualized boron-doped graphene

Carbon Letters
Abbr : Carbon Lett.
2020, 30(4), pp.457-464
DOI : 10.1007/s42823-019-00115-y
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General
Received : September 7, 2019
Accepted : December 10, 2019
Published : August 1, 2020

Ha Yu-Mi ¹, Kim Young Nam ¹, Kim Young-O ¹, sochan ², Lee Jae-Suk ³, Kim， Jaewook ¹, Jung Yong Chae ¹

¹한국과학기술연구원
²포항공과대학교
³광주과학기술원

Accredited

ABSTRACT

Herein, we report signifcantly enhanced mechanical properties and thermal conductivity of polyimide (PI) by incorporating a small amount (0.01 wt %) of individualized boron-doped high-quality graphene as a fller. The boron-doped expandable graphite (B-EG) was synthesized by mixing boric acid (H3BO4) with expandable graphite (EG) and thermally treating the mixture at 2450 °C for 30 min using a graphite furnace in an argon atmosphere. The boron-doped graphene (B-g) was pre�pared by the solution-phase exfoliation of B-EG with an ultrasonication process, which is a method to obtain individualized graphene as well as few-layer graphene. The PI nanocomposites were prepared using the obtained graphene. The PI nanocom�posites synthesized with high-quality B-graphene (B-g) showed enhanced mechanical properties and thermal conductivity compared to those of pure PI due to the doping efects and strong interfacial interactions between graphene and the PI matrix.

KEYWORDS

Polyimide · Boron-doped graphene · Expandable graphite · Mechanical property · Thermal conductivity

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Total Citation Counts(KCI+WOS) (13) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (15) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

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Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04

Enhanced mechanical properties and thermal conductivity of polyimide nanocomposites incorporating individualized boron-doped graphene

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Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

Total Citation Counts(KCI+WOS) (13) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (15) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

* References for papers published after 2023 are currently being built.

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 6.04

Enhanced mechanical properties and thermal conductivity of polyimide nanocomposites incorporating individualized boron-doped graphene

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WoS Citation Counts (13) This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

Total Citation Counts(KCI+WOS) (13) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (15) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

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This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-28)

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