<P><B>Abstract</B></P> <P>In this paper, we describe a functionalization route for synthesizing pyridine-functionalized reduced graphene oxide (Py-rGO) and the effect in the polymer matrix. In addition, polyimide (PI) na...
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https://www.riss.kr/link?id=A107510690
2017
-
SCI,SCIE,SCOPUS
학술저널
280-288(9쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>In this paper, we describe a functionalization route for synthesizing pyridine-functionalized reduced graphene oxide (Py-rGO) and the effect in the polymer matrix. In addition, polyimide (PI) na...
<P><B>Abstract</B></P> <P>In this paper, we describe a functionalization route for synthesizing pyridine-functionalized reduced graphene oxide (Py-rGO) and the effect in the polymer matrix. In addition, polyimide (PI) nanocomposites with different loadings of Py-rGO are fabricated by in-situ polymerization. Py-rGO can perform as a filler component, which enhances the mechanical properties of the composites as well as promote polycondensation as a catalyst. As a result, the PIs containing Py-rGO are obtained with a high degree of imidization and the nanocomposite films show improved mechanical properties and oxygen barrier properties compared to pure PI. To be specific, the tensile strength and tensile modules of the nanocomposite with 0.5 wt% loading of Py-rGO are enhanced by about 406% (527 MPa) and 928% (59 GPa) in comparison to those of pure PI, respectively. Furthermore, the oxygen barrier properties of the composites are extremely improved.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Surfactant-free synthesis of NiPd nanoalloy/graphene bifunctional nanocomposite for fuel cell