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Process for depositing strong adherend polymer coating onto an electrically conductive surface

USA : United States Patent
Publication Date
  • Electropolymerization
  • Electrografting
  • Engineering
  • Computing & Technology :: Materials Science & Engineering [C09]
  • Ingénierie
  • Informatique & Technologie :: Science Des Matériaux & Ingénierie [C09]
  • Physical
  • Chemical
  • Mathematical & Earth Sciences :: Chemistry [G01]
  • Physique
  • Chimie
  • Mathématiques & Sciences De La Terre :: Chimie [G01]
  • Biology
  • Chemistry


Process for depositing by electrografting a strong adherent polymer coating onto an electrically conductive surface comprising the step of electrochemical grafting of an active monomer for forming a primer coating P onto the surface and having as general formula: X0 (meth)acrylate wherein X is either part of a preformed polymer or is an intermediate agent for polyaddition reaction or is an anchoring group for attachment of a molecule having at least one complementary reactive group. Such process allows formation of new primer by one-step electro-grafting of a macromonomer. Such process also allows further modification of an initial electrografted polymer to increase the coating thickness by the grafting-from technique. Such process also allows to graft onto the primer coating compounds like functional polymer, peptide, protein, oligonucleotide, dyes, drugs, anti-bacterian compounds.

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