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Boron nitride nanoplatelets as two-dimensional thermal fillers in epoxy composites: new scenarios at very low filler loadings
Shi, Y; Lin, GL; Ma, XF; Huang, X; Zhao, J; Luo, HJ; Sun, DZ
2020-11-01
Source PublicationJOURNAL OF POLYMER ENGINEERING
ISSN0334-6447
Issue10Pages:859
SubtypeArticle
AbstractHexagonal boron nitride (h-BN) nanoplatelets (0.6 mu m in diameter and 100 nm in thickness) are introduced into epoxy resin to improve the polymer's thermal conducting ability. As expected, the thermal conductivities (TCs) of the composites, especially the in-plane TCs, are significantly increased. The in-plane TC of the epoxy composites can reach 1.67 W/mK at only 0.53 wt% loading, indicating h-BN nanopletelets are very effective thermal fillers. However, after carefully studied the correlation of the TC improvement and filler content, a sudden drop of the TC around 0.53 wt% filler loading is observed. Such an unexpected decrease in TC has never been reported and is also found to be consistent with the T-g changes versus filler content. Similar trend is also observed in other 2-D nanofillers, such as graphene oxide, reduced graphene oxide, which may indicate it is a general phenomenon for 2-D nanofillers. SEM results suggest that such sudden drop in TC might be coming from the enrichment of these 2-D nanofillers in localized areas due to their tendency to form more ordered phase above certain concentrations.
DOI10.1515/polyeng-2020-0046
WOS KeywordMATRIX COMPOSITES ; MECHANICAL-PROPERTIES ; GRAPHENE OXIDE ; CONDUCTIVITY ; NANOTUBES ; NANOCOMPOSITE ; ENHANCEMENT
Language英语
WOS Research AreaPolymer Science
PublisherWALTER DE GRUYTER GMBH
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27646
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Shi, Y,Lin, GL,Ma, XF,et al. Boron nitride nanoplatelets as two-dimensional thermal fillers in epoxy composites: new scenarios at very low filler loadings[J]. JOURNAL OF POLYMER ENGINEERING,2020(10):859.
APA Shi, Y.,Lin, GL.,Ma, XF.,Huang, X.,Zhao, J.,...&Sun, DZ.(2020).Boron nitride nanoplatelets as two-dimensional thermal fillers in epoxy composites: new scenarios at very low filler loadings.JOURNAL OF POLYMER ENGINEERING(10),859.
MLA Shi, Y,et al."Boron nitride nanoplatelets as two-dimensional thermal fillers in epoxy composites: new scenarios at very low filler loadings".JOURNAL OF POLYMER ENGINEERING .10(2020):859.
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