Premium
A morphological study on the migration and selective localization of graphene in the PLA/PMMA blends
Author(s) -
Paydayesh Azin,
Arefazar Ahmad,
Jalaliarani Azam
Publication year - 2016
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.43799
Subject(s) - graphene , materials science , polylactic acid , raman spectroscopy , fourier transform infrared spectroscopy , polymer , scanning electron microscope , chemical engineering , polymer blend , mixing (physics) , dispersion (optics) , oxide , composite material , copolymer , nanotechnology , optics , physics , engineering , quantum mechanics , metallurgy
Nano‐filled polymer blends offer the opportunity to obtain materials with fine‐tuned properties. In this work, the dispersion and localization behavior of graphene nanoplate (GNP) and graphene oxide (GO) in solution mixed blends of polylactic acid (PLA) and polymethyl methacrylate (PMMA) were investigated. The blends were prepared by using different mixing sequences to investigate the effect of kinetics parameters and surface chemistry of filler as well as thermodynamics affinity on the localization of fillers. Field Emission Scanning Electron Microscopy (FESEM) and Rheometric Mechanical Spectroscopy (RMS) were employed. In addition, graphene materials were compared by Fourier transform infrared and Raman spectroscopy as well as elemental analysis characterization. Results showed that depending on the mixing sequence, the GNPs were localized in the both phases and interface through migration to reach thermodynamics equilibrium. However, GO localization was significantly affected by the mixing sequence due to better interaction with the polymer phases. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016 , 133 , 43799.