PROCESS FOR PREPARING ELECTROMAGNETIC INTERFERENCE SHIELDING MATERIALS

Thomassin, Jean-Michel;Jerôme, Christine;Detrembleur, Christophe;Alexandre, M.;Huynen, Isabelle
(2012)

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Authors
  • Thomassin, Jean-MichelUliège
    Inventor
  • Jerôme, ChristineUliège
    Inventor
  • Detrembleur, ChristopheUliège
    Inventor
  • Alexandre, M.Uliège
    Inventor
  • Huynen, IsabelleUCLouvain
    Inventor
Abstract
The present invention relates to a process for preparing an electromagnetic interference shielding material, or a precursor thereof, comprising a first polymer matrix and carbon conductive loads, said process comprises the steps of: (a) Forming a reaction mixture comprising carbon conductive loads and a polymerizable medium said polymerizable medium comprising one or more monomers dissolved in a solvent, (b) Exposing the reaction mixture to polymerization conditions to polymerize said polymerizable medium and thus form a polymer, and (c) Forming a precipitate or an agglomerate of an electromagnetic interference shielding material made of less than 50 wt.% carbon conductive loads dispersed in the first polymer matrix formed in step (b), characterized in that, said polymer is insoluble in said solvent and in that a fraction of the polymer chains thus formed are grafted on part of the surface of the carbon conductive loads.
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Thomassin, J.-M., Jerôme, C., Detrembleur, C., Alexandre, M., & Huynen, I. (2012). PROCESS FOR PREPARING ELECTROMAGNETIC INTERFERENCE SHIELDING MATERIALS (Patent No. 11749461.7). https://hdl.handle.net/2078.5/255438