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Pre-treatment of polyethylene terephthalate by Grignard reagents for high quality polypyrrole coatings and for altering the hydrophobicity

Michal Martinek, Sumita Swar, Veronika Zajícová, Lukáš Voleský, Lenka Blažková, Jana Müllerová, Martin Stuchlík, Michal Řezanka, and Ivan Stibor

Technical University of Liberec, Liberec 1, Czech Republic



Abstract: Polypyrrole-coated polyethylene terephthalate is very attractive for various applications as electrically conductive fiber. This paper investigates the importance of polyester pre-treatment on the quality of the polypyrrole coating and its conductivity efficiency. The results showed nucleophilic pre-treatments by Grignard reagents resulting in the significantly higher surface quality and strongest adhesion of the polypyrrole coating to the polyester fibers compared to the other published methods. Moreover, several Grignard reagents were used for altering the hydrophobicity and morphology of the surface.

Keywords: Grignard reagents; Surface modification; Polyethylene terephthalate; Oxidative polymerization; Nanostructured surface; Conductive coatings

Full paper is available at

DOI: 10.1007/s11696-017-0235-3


Chemical Papers 71 (12) 2403–2415 (2017)

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