Creating Biointerface on Polymer by Plasma-Initiated Graft Polymerization
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概要
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Hydrophilic modification of polyethylene terephthalate (PET) was successfully demonstrated by surface wave plasma treatment followed by graft polymerization with various monomers such as acrylic acid (AA), (2-hydroxyethyl) methacrylate (HEMA), and styrene (St) in the vapor phase. The plasma treatment did not physically damage the PET surface. The graft reactions were confirmed by water contact angle measurements and X-ray photoelectron spectroscopy (XPS). The water contact angles of the PET surface modified with hydrophilic AA and HEMA monomers decreased from approximately 80° before treatment to less than 35°, and the hydrophilicity of the PET surface modified by hydrophilic AA and HEMA monomers was maintained for 70 h. 3T3 fibroblast cells were cultured on the modified PET surfaces to investigate the bioactivity of the modified PET surfaces.
- 一般社団法人 日本MRSの論文
一般社団法人 日本MRS | 論文
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