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Issue 102, 2016, Issue in Progress
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Transcrystallization of poly(L-lactic acid) on the surface of reduced graphene oxide fibers

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Abstract

In this work, we investigate the formation process of interfacial crystallization between poly(L-lactic acid) (PLLA) and reduced graphene oxide fibers (rGOFs) using polarized optical microscopy (POM). It was found that the transcrystallization of PLLA on the surface of the rGOF could be achieved and that the degree of transcrystallinity decreased with an increase in crystallization temperature. Micro-Fourier transform infrared spectroscopy (micro-FTIR) and scanning electron microscopy (SEM) were further employed to investigate the molecular chain orientation and internal structure within the interfacial crystalline region. Based on the theory of heterogeneous nucleation and the theory of crystal growth rate, the nucleating ability of the rGOF toward PLLA was evaluated with regards to the value of the interfacial free energy difference function Δσ. This work is important for the design and fabrication of PLLA/rGOF composites with good interfacial interaction and high-performance.

Graphical abstract: Transcrystallization of poly(l-lactic acid) on the surface of reduced graphene oxide fibers

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Publication details

The article was received on 24 Jul 2016, accepted on 03 Oct 2016 and first published on 07 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA18762E
Citation: RSC Adv., 2016,6, 100090-100097
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    Transcrystallization of poly(L-lactic acid) on the surface of reduced graphene oxide fibers

    M. Jing, H. Jiang, Y. Guo, Z. Wu and Q. Fu, RSC Adv., 2016, 6, 100090
    DOI: 10.1039/C6RA18762E

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