Next Article in Journal
Fabrication of Electrospun Polylactic Acid/Cinnamaldehyde/β-Cyclodextrin Fibers as an Antimicrobial Wound Dressing
Next Article in Special Issue
Polymer Blending as a Novel Approach for Tuning the SPR Peaks of Silver Nanoparticles
Previous Article in Journal
Photochromic Polyurethanes Showing a Strong Change of Transparency and Refractive Index
Previous Article in Special Issue
Effect of the Grafting Reaction of Aluminum Nitride on the Multi-Walled Carbon Nanotubes on the Thermal Properties of the Poly(phenylene sulfide) Composites
Article Menu
Issue 10 (October) cover image

Export Article

Open AccessArticle
Polymers 2017, 9(10), 460; https://doi.org/10.3390/polym9100460

Effects of Covalent Functionalization of MWCNTs on the Thermal Properties and Non-Isothermal Crystallization Behaviors of PPS Composites

1
Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Korea
2
Research Institute for Agriculture and Life Sciences, Seoul 08826, Korea
*
Author to whom correspondence should be addressed.
Received: 8 August 2017 / Revised: 10 September 2017 / Accepted: 15 September 2017 / Published: 21 September 2017
(This article belongs to the Special Issue Polymer Nanocomposites)
Full-Text   |   PDF [5624 KB, uploaded 21 September 2017]   |  

Abstract

In this study, a PPS/MWCNTs composite was prepared with poly(phenylene sulfide) (PPS), as well as pristine and covalent functionalized multi-walled carbon nanotubes (MWCNTs) via melt-blending techniques. Moreover, the dispersion of the MWCNTs on the PPS matrix was improved by covalent functionalization as can be seen from a Field-Emission Scanning Electron Microscope (FE-SEM) images. The thermal properties of the PPS/MWCNTs composites were characterized using a thermal conductivity analyzer, and a differential scanning calorimeter (DSC). To analyze the crystallization behavior of polymers under conditions similar with those in industry, the non-isothermal crystallization behaviors of the PPS/MWCNTs composites were confirmed using various kinetic equations, such as the modified Avrami equation and Avrami-Ozawa combined equation. The crystallization rate of PPS/1 wt % pristine MWCNTs composite (PPSP1) was faster because of the intrinsic nucleation effect of the MWCNTs. However, the crystallization rates of the composites containing covalently-functionalized MWCNTs were slower than PPSP1 because of the destruction of the MWCNTs graphitic structure via covalent functionalization. Furthermore, the activation energies calculated by Kissinger’s method were consistently decreased by covalent functionalization. View Full-Text
Keywords: poly(phenylene sulfide); multi-walled carbon nanotubes; covalent functionalization; thermal property; non-isothermal crystallization behavior poly(phenylene sulfide); multi-walled carbon nanotubes; covalent functionalization; thermal property; non-isothermal crystallization behavior
Figures

Graphical abstract

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Supplementary material

  • Externally hosted supplementary file 1
    Doi: 10.1166/jnn.2017.13311
SciFeed

Share & Cite This Article

MDPI and ACS Style

Kim, M.; Lee, J.; Roh, H.-G.; Kim, D.; Byeon, J.; Park, J. Effects of Covalent Functionalization of MWCNTs on the Thermal Properties and Non-Isothermal Crystallization Behaviors of PPS Composites. Polymers 2017, 9, 460.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Polymers EISSN 2073-4360 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top