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Solvent‐ and catalysts‐free immobilization of tannic acid and polyvinylpyrrolidone onto PMMA surface by DBD plasma
Author(s) -
Klébert Szilvia,
Károly Zoltán,
Késmárki András,
Domján Attila,
Mohai Miklós,
Keresztes Zsófia,
Kutasi Kinga
Publication year - 2017
Publication title -
plasma processes and polymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 74
eISSN - 1612-8869
pISSN - 1612-8850
DOI - 10.1002/ppap.201600202
Subject(s) - polyvinylpyrrolidone , tannic acid , surface modification , chemical engineering , materials science , polymer , polymer chemistry , macromolecule , surface roughness , layer (electronics) , solvent , methacrylate , polymerization , chemistry , organic chemistry , composite material , biochemistry , engineering
Polyvinylpyrrolidone (PVP) and tannic acid (TAN) macromolecules were attached to polymethyl methacrylate (PMMA) surface in a two‐step approach in order to establish a tailored tissue‐friendly surface layer. First PMMA surface was activated by an air diffuse coplanar surface barrier discharge plasma and subsequently coated with these macromolecules. PVP and TAN which has antibacterial effects are widely used in food and drug industry, however, have never applied for polymer surface modification. Throughout characterization measurements confirm that during plasma treatment oxygen containing functional groups (OH, CO, COOH) incorporate in the surface. 1 HNMR spectroscopy verified the strong H‐bonds between PVP and TAN, which rendered the layer‐by‐layer assembly of these molecules. The roughness increased considerably during plasma treatment, which can promote the further reactions with organic molecules.