Efficient Photoinduced In Situ Preparation of Clay/Poly(glycidyl methacrylate) Nanocomposites Using Hydrogen-Donor Silane


Jlassi K., BENNA-ZAYANI M., CHEHIMI M. M. , Yagci Y.

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, cilt.53, ss.800-808, 2015 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 53 Konu: 6
  • Basım Tarihi: 2015
  • Doi Numarası: 10.1002/pola.27505
  • Dergi Adı: JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
  • Sayfa Sayıları: ss.800-808

Özet

Clay/poly(glycidyl methacrylate) nanocomposites (clay/PGMA) were prepared by in situ radical photopolymerization using N,N-dimethylaminopropyltrimethoxysilane(DMA)-modified bentonite clay acting as hydrogen donor for benzophenone in solution. This initiating system permits to photopolymerize glycidyl methacrylate between the lamellae of the DMA-modified clay. The approach provides exfoliated nanocomposites as judged by the measurements of X-ray diffraction. However, a low fraction of persistent intercalated clay regions was visible by transmission electron microscopy. X-ray photoelectron spectra analyses indicate that the nanocomposites have PGMA-rich surface. The clay/PGMA nanocomposites can be readily dispersed in ethanol. (C) 2014 Wiley Periodicals, Inc.