Effect of graphene oxide on thermal stability of aerogel bio-nanocomposite from cellulose-based waste biomass

Sinyee Gan, Sarani Zakaria, Chin Hua Chia, Hatika Kaco

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Abstract: By combining the waste of oil palm empty fruit bunch (EFB) and graphene oxide (GO), a GO/cellulose aerogel bio-nanocomposite was produced via a simple mixing method. The thermal properties of this nanocomposite were examined using thermogravimetric analysis (TGA), and the GO/cellulose aerogel bio-nanocomposite exhibited good thermal stability indicated by a delay in the degradation of the nanocomposite even at low GO incorporation. Experimental and modeled TGA curves were compared. The morphology of the GO/cellulose aerogel composite was observed under field emission scanning electron microscope. In GO/cellulose aerogel composite with 4 wt% GO, the pore volume and porosity decreased by more than 50% compared to aerogel without GO, and the density of the 4 wt% GO/cellulose aerogel composite showed a onefold increase compared with the pure cellulose aerogel. The degree of swelling and equilibrium-swelling ratio of regenerated GO/cellulose hydrogel and aerogel decreased with the higher GO concentration. The phase transition from EFB to regenerated GO/cellulose aerogel composite was evaluated using X-ray diffraction. This study has provided a simple pathway to produce environmentally friendly biocomposite materials. Graphical abstract: [Figure not available: see fulltext.].

Original languageEnglish
JournalCellulose
DOIs
Publication statusAccepted/In press - 1 Jan 2018

Fingerprint

Aerogels
Graphite
Cellulose
Oxides
Graphene
Nanocomposites
Biomass
Thermodynamic stability
Composite materials
Fruits
Swelling
Thermogravimetric analysis
Palm oil
Hydrogel
Hydrogels
Field emission
Electron microscopes
Thermodynamic properties
Porosity
Phase transitions

Keywords

  • Agricultural waste
  • Bio-based material
  • Hydrogel
  • Nanomaterial
  • Regenerated cellulose

ASJC Scopus subject areas

  • Polymers and Plastics

Cite this

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title = "Effect of graphene oxide on thermal stability of aerogel bio-nanocomposite from cellulose-based waste biomass",
abstract = "Abstract: By combining the waste of oil palm empty fruit bunch (EFB) and graphene oxide (GO), a GO/cellulose aerogel bio-nanocomposite was produced via a simple mixing method. The thermal properties of this nanocomposite were examined using thermogravimetric analysis (TGA), and the GO/cellulose aerogel bio-nanocomposite exhibited good thermal stability indicated by a delay in the degradation of the nanocomposite even at low GO incorporation. Experimental and modeled TGA curves were compared. The morphology of the GO/cellulose aerogel composite was observed under field emission scanning electron microscope. In GO/cellulose aerogel composite with 4 wt{\%} GO, the pore volume and porosity decreased by more than 50{\%} compared to aerogel without GO, and the density of the 4 wt{\%} GO/cellulose aerogel composite showed a onefold increase compared with the pure cellulose aerogel. The degree of swelling and equilibrium-swelling ratio of regenerated GO/cellulose hydrogel and aerogel decreased with the higher GO concentration. The phase transition from EFB to regenerated GO/cellulose aerogel composite was evaluated using X-ray diffraction. This study has provided a simple pathway to produce environmentally friendly biocomposite materials. Graphical abstract: [Figure not available: see fulltext.].",
keywords = "Agricultural waste, Bio-based material, Hydrogel, Nanomaterial, Regenerated cellulose",
author = "Sinyee Gan and Sarani Zakaria and Chia, {Chin Hua} and Hatika Kaco",
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language = "English",
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TY - JOUR

T1 - Effect of graphene oxide on thermal stability of aerogel bio-nanocomposite from cellulose-based waste biomass

AU - Gan, Sinyee

AU - Zakaria, Sarani

AU - Chia, Chin Hua

AU - Kaco, Hatika

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Abstract: By combining the waste of oil palm empty fruit bunch (EFB) and graphene oxide (GO), a GO/cellulose aerogel bio-nanocomposite was produced via a simple mixing method. The thermal properties of this nanocomposite were examined using thermogravimetric analysis (TGA), and the GO/cellulose aerogel bio-nanocomposite exhibited good thermal stability indicated by a delay in the degradation of the nanocomposite even at low GO incorporation. Experimental and modeled TGA curves were compared. The morphology of the GO/cellulose aerogel composite was observed under field emission scanning electron microscope. In GO/cellulose aerogel composite with 4 wt% GO, the pore volume and porosity decreased by more than 50% compared to aerogel without GO, and the density of the 4 wt% GO/cellulose aerogel composite showed a onefold increase compared with the pure cellulose aerogel. The degree of swelling and equilibrium-swelling ratio of regenerated GO/cellulose hydrogel and aerogel decreased with the higher GO concentration. The phase transition from EFB to regenerated GO/cellulose aerogel composite was evaluated using X-ray diffraction. This study has provided a simple pathway to produce environmentally friendly biocomposite materials. Graphical abstract: [Figure not available: see fulltext.].

AB - Abstract: By combining the waste of oil palm empty fruit bunch (EFB) and graphene oxide (GO), a GO/cellulose aerogel bio-nanocomposite was produced via a simple mixing method. The thermal properties of this nanocomposite were examined using thermogravimetric analysis (TGA), and the GO/cellulose aerogel bio-nanocomposite exhibited good thermal stability indicated by a delay in the degradation of the nanocomposite even at low GO incorporation. Experimental and modeled TGA curves were compared. The morphology of the GO/cellulose aerogel composite was observed under field emission scanning electron microscope. In GO/cellulose aerogel composite with 4 wt% GO, the pore volume and porosity decreased by more than 50% compared to aerogel without GO, and the density of the 4 wt% GO/cellulose aerogel composite showed a onefold increase compared with the pure cellulose aerogel. The degree of swelling and equilibrium-swelling ratio of regenerated GO/cellulose hydrogel and aerogel decreased with the higher GO concentration. The phase transition from EFB to regenerated GO/cellulose aerogel composite was evaluated using X-ray diffraction. This study has provided a simple pathway to produce environmentally friendly biocomposite materials. Graphical abstract: [Figure not available: see fulltext.].

KW - Agricultural waste

KW - Bio-based material

KW - Hydrogel

KW - Nanomaterial

KW - Regenerated cellulose

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