Thermally Stable Phosphonium Organoclay-Reinforced Polyimide Nanocomposites


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

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING, cilt.56, sa.4, ss.443-452, 2017 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 56 Konu: 4
  • Basım Tarihi: 2017
  • Doi Numarası: 10.1080/03602559.2016.1233258
  • Dergi Adı: POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
  • Sayfa Sayıları: ss.443-452

Özet

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.