

FOLLOWUS
Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, and Anhui Key Laboratory of Advanced Functional Materials and Devices, Hefei University of Technology, Hefei 230009, China
chxuper@hfut.edu.cn (P.X.)
dingys@hfut.edu.cn (Y.S.D.)
Received:04 July 2018,
Revised:2018-9-23,
Accepted:25 September 2018,
Online First:02 November 2018,
Published:2019-03
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Citation: Xu, P.; Cui, Z. P.; Ruan, G.; Ding, Y. S. Enhanced crystallization kinetics of PLLA by ethoxycarbonyl ionic liquid modified graphene. Chinese J. Polym. Sci. 2019, 37, 243–252
Pei Xu, Zhao-Pei Cui, Gang Ruan, et al. Enhanced Crystallization Kinetics of PLLA by Ethoxycarbonyl Ionic Liquid Modified Graphene[J]. Chinese Journal of Polymer Science, 2019, 37(3): 243-252.
Citation: Xu, P.; Cui, Z. P.; Ruan, G.; Ding, Y. S. Enhanced crystallization kinetics of PLLA by ethoxycarbonyl ionic liquid modified graphene. Chinese J. Polym. Sci. 2019, 37, 243–252 DOI: 10.1007/s10118-019-2192-5.
Pei Xu, Zhao-Pei Cui, Gang Ruan, et al. Enhanced Crystallization Kinetics of PLLA by Ethoxycarbonyl Ionic Liquid Modified Graphene[J]. Chinese Journal of Polymer Science, 2019, 37(3): 243-252. DOI: 10.1007/s10118-019-2192-5.
To investigate the performance of graphene (Gra) modified with ethoxycarbonyl ionic liquid (IL)
chain mobility and crystallization kinetics of poly(L-lactic acid) (PLLA)
a series of PLLA nanocomposites have been prepared using solution-cast method. IL can improve the dispersion of Gra in PLLA matrix and the samples containing IL have higher growth rate of PLLA spherulite than neat PLLA does. PLLA/IL/Gra and PLLA/2Gra exhibit the same relaxation strength and time of
α
N
relaxation that corresponds to the longest normal mode motion at 110−140 °C. PLLA/IL/Gra shows a faster crystallization rate than PLLA/2Gra does
which might be attributed to the Gra-imidazolium cation interaction in IL modified Gra
the significant dispersion effect of IL at Gra surface
and the increase of nuclei density of PLLA/IL/Gra.
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