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Pre-treatment of polyethylene terephthalate by Grignard reagents for high quality polypyrrole coatings and for altering the hydrophobicity |
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| Authors: | Michal Martinek Sumita Swar Veronika Zajícová Lukáš Voleský Lenka Blažková Jana Müllerová Martin Stuchlík Michal Řezanka Ivan Stibor |
| Institution: | 1.Department of New Technologies and Applied Informatics, Faculty of Mechatronics and Interdisciplinary Studies,Technical University of Liberec,Liberec 1,Czech Republic;2.Institute for Nanomaterials, Advanced Technologies and Innovation,Technical University of Liberec,Liberec 1,Czech Republic;3.Department of Chemistry, Faculty of Science, Humanities and Education,Technical University of Liberec,Liberec 1,Czech Republic;4.Department of Materials, Faculty of Mechanical Engineering,Technical University of Liberec,Liberec 1,Czech Republic;5.Department of Nonwovens and Nanofibrous Materials, Faculty of Textile Engineering,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. |
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