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Polymer brush on surface with tunable hydrophilicity using SAM formation of zwitterionic 4-vinylpyridine-based polymer†

Abstract

Zwitterionic 4-vinylpyridine-based polymers were immobilized on different surfaces by self-assembled monolayer (SAM) formation technique for better durability and reliability. Atomic force microscopic studies revealed dense polymeric brushes with a high degree of smoothness. A large variation in water contact angle was observed when the surface was treated with the buffer of different pH, indicating a tunable hydrophilicity of the polymeric brush. The contact angle variation was observed under both acidic and basic medium, possibly due to the presence of both quaternary ammonium group and carboxylic acid functionality. Interestingly, a time-dependent contact angle variation under different pH was observed when the polymer was directly coated on the leather surface.

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Publication details

The article was received on 17 Aug 2017, accepted on 03 Jan 2018 and first published on 04 Jan 2018


Article type: Paper
DOI: 10.1039/C7NJ02971C
Citation: New J. Chem., 2018, Accepted Manuscript
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    Polymer brush on surface with tunable hydrophilicity using SAM formation of zwitterionic 4-vinylpyridine-based polymer†

    P. Murugan, P. Ramar, A. B. B. Mandal and D. Samanta, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7NJ02971C

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