Synthesis of polypyrrole nanoparticles in natural rubber-polystyrene blend via emulsion polymerization

Hassan Ghalib, Ibrahim Abdullah, Rusli Daik

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Nanoparticles of polypyrrole (PPy) in 40/60 wt % natural rubber (NR)-polystyrene (PS) blends were synthesized by emulsion polymerization using ferric sulfate [Fe2 (SO4)3], sodium dodecyl sulfate (SDS), and n-amyl alcohol as the oxidant, surfactant, and cosurfactant, respectively. The NR/PS/PPy blends were characterized by Fourier transform infrared spectroscopy (FTIR), elemental analysis, thermogravimetric analysis (TGA), and field emission scanning electron microscopy (FESEM). FESEM micrographs showed that NR/PS/PPy blends were homogeneous, and PPy nanoparticles were well distributed throughout the binary matrix of NR/PS. The size of PPy particles in the blends was in the range of 26-80 nm. The electrical conductivities of the pellets prepared from NR/PS/PPy blends increased as the composition of PPy nanoparticles was increased, which were in the range of 8.9 × 10-8 - 2.89 × 10-4 S/cm. Thermal stability of the blends increased as the content of PPy was increased, as shown by TGA thermograms.

Original languageEnglish
Pages (from-to)2115-2121
Number of pages7
JournalJournal of Applied Polymer Science
Volume123
Issue number4
DOIs
Publication statusPublished - 15 Feb 2012

Fingerprint

Emulsion polymerization
Polystyrenes
Rubber
Polypyrroles
Polymer blends
Nanoparticles
Field emission
Thermogravimetric analysis
Pentanols
Scanning electron microscopy
polypyrrole
Sodium dodecyl sulfate
Chemical analysis
Oxidants
Surface-Active Agents
Sodium Dodecyl Sulfate
Fourier transform infrared spectroscopy
Alcohols
Surface active agents
Thermodynamic stability

Keywords

  • conducting polymers
  • emulsion polymerization
  • nanocomposites
  • natural rubber
  • polypyrroles

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Surfaces, Coatings and Films
  • Chemistry(all)

Cite this

Synthesis of polypyrrole nanoparticles in natural rubber-polystyrene blend via emulsion polymerization. / Ghalib, Hassan; Abdullah, Ibrahim; Daik, Rusli.

In: Journal of Applied Polymer Science, Vol. 123, No. 4, 15.02.2012, p. 2115-2121.

Research output: Contribution to journalArticle

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