In-situ polymerization of polyaniline in radiation functionalized polypropylene films

Salvatore Piazza, Clelia Dispenza, Maria Antonietta Sabatino, Giuseppe Spadaro, Noha Deghiedy, Clelia Dispenza, Hassan A. Abd El-Rehim, Maria Pia Casaletto

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


In-situ generation of a nanodispersed conductive polymer within a polypropylene matrix has been pursued in order to obtain flexible, conductive films. Radiation grafting of acrylic acid to polypropylene (PP) has been applied to insert carboxyl functionalities on PP. The radiation-grafted films have been further derivatized with a variety of diamines and used as substrates for in-situ chemical oxidative polymerization of polyaniline (PANI). PANI grows as a thin skin from the surface of the film as well as an interpenetrated network in its interiors. Evidence of chemical attachment of PANI to PP has been sought by performing FTIR and XPS analyses after extraction of the unbound polymer. The influence of the nature of the substituent attached to PP on the optical and electrical properties of the films has been investigated. PANI-PP skin-core films have been also tested as flexible electrodes for further electrochemical growth of the conductive polymer.
Original languageEnglish
Pages (from-to)128-138
Number of pages11
Publication statusPublished - 2015

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry


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