Synergistic Effect of P[MPEGMA-IL] Modified Graphene on Morphology and Dielectric Properties of PLA/PCL Blends
Yiyang Zhou, Ping Wang, Gang Ruan, Pei Xu and Yunsheng Ding
1 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
2 School of Materials and Chemical Engineering, Anhui Jianzhu University, Hefei, 230601, China
Abstract
To investigate the combined effect of graphene (Gra) and poly(methoxy poly(ethylene glycol) monomethacrylate-co-1-vinyl-3-ethylimidazolium bromide) (P[MPEGMA-IL]) on morphology, crystallization behavior and dielectric properties for polylactide (PLA)/poly(e-caprolactone) (PCL) blends, a series of PLA/PCL blend based composites have been prepared using solution-cast method. P[MPEGMA-IL] modified Gra could mainly localize in PCL domains, and improved the dispersibility of PCL phase in the composites. Due to the heterogeneous nucleation of Gra and ion cluster of P[MPEGMA-IL], the crystallinity of PLA and PCL were improved simultaneously with the increase of modified Gra content. The good conductivity of Gra and the better dispersion of PCL made the PLA/PCL blends higher dielectric permittivity owing to the increase of the mobile charge carriers at the interfaces.
Publication details
Received: 08 Sep 2020
Revised: 14 Oct 2020
Accepted: 27 Oct 2020
Published online: 27 Oct 2020
Article type:
Research Paper
DOI:
10.30919/esmm5f928
Volume:
11
Page:
20-29
Citation:
ES Materials & Manufacturing, 2021, 11, 20-29
Permissions:
Copyright
Number of downloads:
3292
Citation Information:
20
Description:
Higher dielectric permittivity of PLA/PCL/Gra/P[MPEGMA-IL] composite was owing to the increase of mo....
Higher dielectric permittivity of PLA/PCL/Gra/P[MPEGMA-IL] composite was owing to the increase of mobile charge carriers at interphase.
Supplementary Information:
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