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Surface Modification on Poly(ether ether ketone) with Phospholipid Polymer via Photoinduced Self‐Initiated Grafting
Author(s) -
Ishihara Kazuhiko,
Inoue Yuuki,
Kyomoto Masayuki
Publication year - 2015
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.201400098
Subject(s) - peek , polymerization , materials science , photopolymer , photoinitiator , benzophenone , polymer chemistry , biocompatibility , polymer , surface modification , glycidol , photochemistry , chemical engineering , chemistry , organic chemistry , monomer , composite material , catalysis , engineering , metallurgy
Summary A new and safer method for constructing a nanometer‐scale modified surface on the poly(ether ether ketone) (PEEK) is examined by “photoinduced self‐initiated graft polymerization”. The generation of semi‐benzopinacol‐containing radicals of the benzophenone units in PEEK molecular structure acted as a photoinitiator. This polymerization system is realized in the absence of a photoactive low molecular compound and in an aqueous medium; these are human‐friendly and exhibit excellent biocompatibility. In this study, we demonstrated the fabrication of modified surface with phospholipid polymer, i.e., poly(2‐methacryloyloxyethyl phosphorylcholine) (PMPC) using the photoinduced self‐initiated graft polymerization process. Effects of MPC concentration in the reacting solution and intensity of UV irradiation on the surface properties were examined. On the surface on PMPC‐graft‐PEEK, a significant reduction in the protein adsorption was observed. We conclude that the smart PMPC‐graft‐PEEK prepared by the photoinduced self‐initiated graft polymerization to produce PMPC layer on the surface will bring novel biomedical devices with both good mechanical property and biocompatible surface.