Synergistic effect on corrosion resistance of phynox substrates grafted with surface-initiated ATRP (Co)polymerization of 2-methacryloyloxyethyl phosphorylcholine (MPC) and 2-hydroxyethyl methacrylate (HEMA)

Bastien Barthélémy, Simon Maheux, Sébastien Devillers, Frédéric Kanoufi, Catherine Combellas, Joseph Delhalle, Zineb Mekhalif

Research output: Contribution to journalArticle

Abstract

Phynox is of high interest for biomedical applications due to its biocompatibility and corrosion resistance. However, some Phynox applications require specific surface properties. These can be imparted with suitable surface functionalizations of its oxide layer. The present work investigates the surface-initiated atom transfer radical polymerization (ATRP) of 2-methacryloyoxyethyl phosphorylcholine (MPC), 2-hydroxyethyl methacrylate (HEMA), and ATRP copolymerization of (HEMA-co-MPC) (block and statistic copolymerization with different molar ratios) on grafted Phynox substrates modified with 11-(2-bromoisobutyrate)-undecyl-1-phosphonic acid (BUPA) as initiator. It is found that ATRP (co)polymerization of these monomers is feasible and forms hydrophilic layers, while improving the corrosion resistance of the system.

Original languageEnglish
Pages (from-to)10060-10071
Number of pages12
JournalACS Applied Materials & Interfaces
Volume6
Issue number13
DOIs
Publication statusPublished - 9 Jul 2014

Keywords

  • 11-(2-bromoisobutyrate)-undecyl-1-phosphonic acid
  • 2-hydroxyethyl methacrylate
  • 2-methacryloyloxyethyl phosphorylcholine
  • Phynox
  • surface modification
  • surface-initiated ATRP

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