Graphene nano‐platelet (GNP) nano‐fillers were successfully covalently functionalized with carboxylic and epoxide groups as proven by Fourier‐transform infrared spectroscopy. This paper reports the effect of unmodified and modified GNP nano‐fi...
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https://www.riss.kr/link?id=O111787347
2021년
-
1042-7147
1099-1581
SCI;SCIE;SCOPUS
학술저널
3588-3608 [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Graphene nano‐platelet (GNP) nano‐fillers were successfully covalently functionalized with carboxylic and epoxide groups as proven by Fourier‐transform infrared spectroscopy. This paper reports the effect of unmodified and modified GNP nano‐fi...
Graphene nano‐platelet (GNP) nano‐fillers were successfully covalently functionalized with carboxylic and epoxide groups as proven by Fourier‐transform infrared spectroscopy. This paper reports the effect of unmodified and modified GNP nano‐fillers on the mechanical, thermal, and electrical performance of GNP‐filled materials. The results show that the mechanical properties of GNP‐filled materials were enhanced with a modified GNP nano‐filler. Among the GNP‐filled materials, the modified epoxy/NR/GNP compatibilized material shows higher flexural and toughness properties. The modified GNP nano‐filler has reduced the thermal stability of the modified compatibilized material. This is because the oxygen‐containing groups (C–O–C and –COOH) on the surfaces of modified GNP nano‐fillers have lower thermal stability; which accelerates the thermal decomposition of the modified material. Modified compatibilized material shows higher electrical conductivity than the unmodified compatibilized material. X‐ray diffraction results proved that d‐spacing of modified GNP nano‐fillers in modified compatibilized material was shortest when compared to unmodified GNP nano‐fillers in unmodified compatibilized material, thus, allowing more electrons to travel at a faster rate through the conductive pathways.