Comparative physicochemical characterization of ULTEM/SWCNT nanocomposites: Surface, thermal and electrical conductivity analyses

UĞRAŞKAN V., IŞIK B., YAZICI Ö., ÇAKAR F.

Journal of Polymer Research, vol.29, no.7, 2022 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 29 Issue: 7
  • Publication Date: 2022
  • Doi Number: 10.1007/s10965-022-03111-5
  • Journal Name: Journal of Polymer Research
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, Chemical Abstracts Core, Communication Abstracts, Compendex, INSPEC, Metadex, Civil Engineering Abstracts
  • Keywords: Electrical properties, Surface properties, Thermal analysis, Polymer composites, Inverse gas chromatography, INVERSE GAS-CHROMATOGRAPHY, WALLED CARBON NANOTUBES, ACID-BASE PROPERTIES, MECHANICAL-PROPERTIES, FREE-ENERGY, FUNCTIONALIZATION, COMPOSITES, ADHESION, POLYMER
  • Yıldız Technical University Affiliated: Yes

Abstract

In this study, it was aimed to investigate the electrical, thermal and surface properties of polyetherimide/single walled carbon nanotube (ULTEM/SWCNT) composites containing different weight ratios of SWCNT. For this purpose, 1%, 5% and 10% by mass of SWCNT was dispersed in ULTEM by ultrasonic homogenization. The electrical conductivity and thermal properties of composite films prepared by solvent casting method were analyzed. The conductivity enhanced with increasing amount of SWCNT and were observed as 0.019 Scm− 1 in the ULTEM/SWCNT-10. Besides, the glass transition temperature value of pure ULTEM increased from 216.67 °C to 219.59 °C with SWCNT addition. The surface properties of the composites were investigated by inverse gas chromatography (IGC). IGC experiments were carried out in infinite dilution with various polar and non-polar solvents. The surface properties of the composites were determined from the retention diagrams. From IGC experiments, it was determined that the composite surfaces were basic in character.