Nanocomposites of cellulose-based adhesive and toluenesulfonic acid-doped polypyrrole prepared via colloidal dispersion

Sarifah Fauziah S Draman, Rusli Daik, Said M. El-Sheikh, Famiza A. Latif

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Nanocomposites of cellulose-based adhesive and doped polypyrrole (PPy) have been prepared via colloidal dispersion method. Cellulose was chemically modified with epoxy to incorporate adhesion property. PPy nanoparticles were synthesized via oxidation reaction using toluenesulfonic acid as a doping agent. Field emission scanning electron microscope, Fourier transform infrared spectroscopy, thermogravimetric analysis, elemental analysis and high-frequency impedance spectroscopy were used to characterize the nanocomposites. Toluenesulfonic acid-doped PPy synthesized at pH 1 resulted in rod-shaped particles with a diameter and a doping level of about 80-100 nm and 25%, respectively. Toluenesulfonic acid-doped PPy synthesized at pH 3 and pH 4 produced spherical-shaped particles with doping level of 21% and 17%, respectively. Toluenesulfonic acid-doped PPy particles synthesized at pH 3 is smaller (76-100 nm) compared to the one prepared at pH 4 (97-254 nm). The electrical and thermal conductivities obtained for toluenesulfonic acid-doped PPy synthesized at pH 1 were 8.422 × 10-3 S cm -1 and 0.431 W m-1 K-1, respectively. Whereas, the one synthesized at pH 3 and pH 4 exhibited lower electrical and thermal conductivities. Nanocomposite with a composition of 70 : 30 (toluenesulfonic acid-doped PPy:epoxypropyl cellulose) gave the highest electrical and thermal conductivities.

Original languageEnglish
Pages (from-to)1553-1560
Number of pages8
JournalJournal of Reinforced Plastics and Composites
Volume32
Issue number20
DOIs
Publication statusPublished - Oct 2013

Fingerprint

Polypyrroles
Cellulose
Adhesives
Nanocomposites
Acids
Thermal conductivity
Doping (additives)
polypyrrole
Chemical analysis
Field emission
Fourier transform infrared spectroscopy
Thermogravimetric analysis
Electron microscopes
Adhesion
Spectroscopy
Nanoparticles
Scanning
Oxidation
Electric Conductivity

Keywords

  • Adhesion property
  • doping level
  • electrical conductivity
  • epoxy
  • nanocomposite
  • thermal conductivity

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Polymers and Plastics
  • Materials Chemistry
  • Ceramics and Composites

Cite this

Nanocomposites of cellulose-based adhesive and toluenesulfonic acid-doped polypyrrole prepared via colloidal dispersion. / Draman, Sarifah Fauziah S; Daik, Rusli; El-Sheikh, Said M.; Latif, Famiza A.

In: Journal of Reinforced Plastics and Composites, Vol. 32, No. 20, 10.2013, p. 1553-1560.

Research output: Contribution to journalArticle

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