Next Article in Journal
Synthesis, Chemosensory Properties, and Self-Assembly of Terpyridine-Containing Conjugated Polycarbazole through RAFT Polymerization and Heck Coupling Reaction
Next Article in Special Issue
Effect of Graphene Oxide on the Reaction Kinetics of Methyl Methacrylate In Situ Radical Polymerization via the Bulk or Solution Technique
Previous Article in Journal
Fast Curing Bio-Based Phenolic Resins via Lignin Demethylated under Mild Reaction Condition
Previous Article in Special Issue
Poly(lactic acid) Composites Containing Carbon-Based Nanomaterials: A Review
Article Menu
Issue 9 (September) cover image

Export Article

Open AccessArticle
Polymers 2017, 9(9), 429;

Graphene Oxide-Graft-Poly(l-lactide)/Poly(l-lactide) Nanocomposites: Mechanical and Thermal Properties

College of Chemistry, Nanchang University, Nanchang 330031, China
College of Science, Nanchang Institute of Technology, Nanchang 330029, China
Author to whom correspondence should be addressed.
Received: 31 July 2017 / Revised: 30 August 2017 / Accepted: 3 September 2017 / Published: 7 September 2017
(This article belongs to the Special Issue Graphene-Polymer Composites)
Full-Text   |   PDF [2268 KB, uploaded 8 September 2017]   |  


The surface modification of graphene sheets with polymer chains may greatly hinder its aggregation and improve its phase compatibility with a polymer matrix. In this work, poly(l-lactic acid)-grafted graphene oxide (GO-g-PLLA) was prepared via a simple condensation polymerization method, realizing its dispersion well in organic solvents, which demonstrated that the surface of GO changed from hydrophilic to hydrophobic. GO-g-PLLA can disperse homogeneously in the PLLA matrix, and the tensile test showed that the mechanical properties of GO-g-PLLA/PLLA were much better than that of GO/PLLA; compared with GO, only 3% GO-g-PLLA content can realize a 37.8% increase in the tensile strength for their PLLA composites. Furthermore, the differential scanning calorimetry (DSC) and polarized optical microscopy (POM) results demonstrated that GO-g-PLLA shows a nucleating agent effect and can promote the crystallization of PLLA. View Full-Text
Keywords: graphene; poly(l-lactide); surface modification; nanocomposite graphene; poly(l-lactide); surface modification; nanocomposite

Figure 1

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).
Printed Edition Available!
A printed edition of this Special Issue is available here.

Share & Cite This Article

MDPI and ACS Style

Wang, L.-N.; Guo Wang, P.-Y.; Wei, J.-C. Graphene Oxide-Graft-Poly(l-lactide)/Poly(l-lactide) Nanocomposites: Mechanical and Thermal Properties. Polymers 2017, 9, 429.

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



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