Issue 69, 2015

Influence of addition of vapor grown carbon fibers on mechanical, thermal and biodegradation properties of lignin nanoparticle filled bio-poly(trimethylene terephthalate) hybrid nanocomposites

Abstract

Bio-poly(trimethylene terephthalate) (bio-PTT) hybrid nanocomposites constituting 1.5 wt% of lignin nanoparticles (LNP) and variable wt% of vapor-grown carbon fibers (VGCF) were prepared using melt extrusion followed by a microinjection molding technique. Mechanical results revealed an improvement in tensile flexural and impact properties of bio-PTT with 1.5 wt% LNP and bio-PTT hybrid nanocomposites with the incorporation of 7 wt% of VGCF, respectively. The thermal properties of the hybrid nanocomposites have been investigated using HDT, and TGA. FTIR analysis confirmed the formation of hydrogen bonds between the aliphatic –OH groups of LNP and the carbonyl group of the bio-PTT matrix. The water resistance of the bio-PTT/LNP/VGCF hybrid nanocomposites was higher than that of bio-PTT/LNP nanocomposites as well as the bio-PTT matrix. In addition, the morphological changes in the hybrid nanocomposites were also monitored through scanning electron microscopy (SEM).

Graphical abstract: Influence of addition of vapor grown carbon fibers on mechanical, thermal and biodegradation properties of lignin nanoparticle filled bio-poly(trimethylene terephthalate) hybrid nanocomposites

Article information

Article type
Paper
Submitted
29 Apr 2015
Accepted
19 Jun 2015
First published
25 Jun 2015

RSC Adv., 2015,5, 56028-56036

Author version available

Influence of addition of vapor grown carbon fibers on mechanical, thermal and biodegradation properties of lignin nanoparticle filled bio-poly(trimethylene terephthalate) hybrid nanocomposites

A. K. Gupta, S. Mohanty and S. K. Nayak, RSC Adv., 2015, 5, 56028 DOI: 10.1039/C5RA07828H

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