Extraction of cellulose nanocrystals from mengkuang leaves (Pandanus tectorius)

Rasha M. Sheltami, Ibrahim Abdullah, Ishak Ahmad, Alain Dufresne, Hanieh Kargarzadeh

Research output: Contribution to journalArticle

212 Citations (Scopus)

Abstract

Cellulose was extracted from mengkuang leaves (pandanus tectorius) by carrying out alkali and bleaching treatments. Cellulose nanocrystals were isolated from extracted cellulose with concentrated sulphuric acid. The chemical composition of mengkuang leaves was determined at different stages of treatment. Structural analysis was carried out by Fourier transform infrared spectroscopy and X-ray diffraction. Field emission scanning electron microscopy and transmission electron microscopy were used to investigate the morphology of the isolated cellulose and cellulose nanocrystal, respectively. The thermal stability of mengkuang leaves at different stages of treatment was investigated by thermogravimetric analysis. The results indicated that the hemicellulose and lignin were removed extensively from the extracted cellulose. The isolated cellulose and cellulose nanocrystals were found to have diameters in the range 5-80 μm and 5-25 nm, respectively. The thermal stability of the leaves was found to increase at various purification stages when compared to the raw material.

Original languageEnglish
Pages (from-to)772-779
Number of pages8
JournalCarbohydrate Polymers
Volume88
Issue number2
DOIs
Publication statusPublished - 2 Apr 2012

Fingerprint

Cellulose
Nanocrystals
Thermodynamic stability
Lignin
Alkalies
Bleaching
Structural analysis
Field emission
Purification
Fourier transform infrared spectroscopy
Thermogravimetric analysis
Raw materials
Transmission electron microscopy
X ray diffraction
Scanning electron microscopy
Acids
Chemical analysis

Keywords

  • Cellulose
  • Cellulose nanocrystals
  • Mengkuang leaves
  • Nanoparticles

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Extraction of cellulose nanocrystals from mengkuang leaves (Pandanus tectorius). / Sheltami, Rasha M.; Abdullah, Ibrahim; Ahmad, Ishak; Dufresne, Alain; Kargarzadeh, Hanieh.

In: Carbohydrate Polymers, Vol. 88, No. 2, 02.04.2012, p. 772-779.

Research output: Contribution to journalArticle

Sheltami, Rasha M. ; Abdullah, Ibrahim ; Ahmad, Ishak ; Dufresne, Alain ; Kargarzadeh, Hanieh. / Extraction of cellulose nanocrystals from mengkuang leaves (Pandanus tectorius). In: Carbohydrate Polymers. 2012 ; Vol. 88, No. 2. pp. 772-779.
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