Thermally Stable Phosphonium Organoclay-Reinforced Polyimide Nanocomposites

BİRTANE H., Beyler-Cigil A., ÇAKMAKÇI E., KAHRAMAN M. V.

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING, vol.56, no.4, pp.443-452, 2017 (SCI-Expanded, Scopus) identifier identifier

  • Publication Type: Article / Article
  • Volume: 56 Issue: 4
  • Publication Date: 2017
  • Doi Number: 10.1080/03602559.2016.1233258
  • Journal Name: POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.443-452
  • Keywords: Differential scanning calorimetry, nanocomposites, organoclay, polyimides, CLAY NANOCOMPOSITES, MECHANICAL-PROPERTIES, MONTMORILLONITES, COMPOSITES, HYBRIDS
  • Marmara University Affiliated: Yes

Abstract

To prepare clay containing high-temperature processable polymer nanocomposites, new cation exchangeable agents with high thermal stability are required. In this work, we investigated the effect of a thermally stable phosphonium-modified organoclay on the properties of polyimides prepared from the reaction of 4,4-oxydianiline with 3,3,4,4-benzophenonetetracarboxylic dianhydride. The organoclay was prepared from the reaction of pristine clay with octyltriphenylphosphonium bromide. Phosphonium-modified clay displayed a negligible weight loss (<5%) below 300 degrees C. The thermal stability of the composites enhanced with the increasing amount of phosphonium-modified clay.