Polymer brush on surface with tunable hydrophilicity using SAM formation of zwitterionic 4-vinylpyridine-based polymer
作者： P. Murugan , P. Ramar , Asit Baran Mandal , Debasis Samanta
DOI: 10.1039/C7NJ02971C
关键词: Carboxylic acid 、 Brush 、 Ammonium 、 Chemistry 、 Polymer 、 Monolayer 、 Chemical engineering 、 Contact angle 、 Polymer brush
摘要: Zwitterionic 4-vinylpyridine-based polymers were immobilized on different surfaces by a self-assembled monolayer (SAM) formation technique for better durability and reliability. Atomic force microscopic studies revealed dense polymeric brushes with high degree of smoothness. A large variation in water contact angle was observed when the surface treated buffers pH, indicating tunable hydrophilicity brush. The under both acidic basic media, possibly due to presence quaternary ammonium groups carboxylic acid functionality. Interestingly, time-dependent pH polymer directly coated leather surface.
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