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Markiewicz, Karolina Halina
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article
An in-situ fabrication method of ZnO and other Zn(II) compounds containing polypropylene composites
Abstract
This study investigated the methods of preparation of zinc oxide-polypropylene nanocomposites and their antibacterial properties. Seven solutions with ZnO nanoparticles or zinc ions were formulated as a PP additive. Two methods of ZnO NPs syntheses were carried out: (1) a modified hydrothermal method where a water solution of zinc acetate dihydrate, PEI, and ammonia were mixed with a final pH 11; (2) a thermal decomposition of a water solution of zinc acetate in the presence of PEI and ammonia using a two-screw extruder. During the experiments, the influence of various amounts of particle stabilizer, heating of the solutions, and the temperatures of the syntheses were examined. As a result, the simultaneous crystallization of ZnO in the extrusion process confirmed this method’s attractiveness from the application point of view. Fabricated PP-ZnO composite shows antibacterial properties against Staphylococcus aureus, Escherichia coli, and Klebsiella pneumoniae. ; Beata Kalska-Szostko: kalska@uwb.edu.pl ; Agnieszka Zofia Wilczewska: agawilcz@uwb.edu.pl ; Katarzyna Kupińska - Panamedica Maciej Michalik, Józefa Ignacego Kraszewskiego 18/7, 15-025 Białystok, Poland ; Maciej Michalik - Panamedica Maciej Michalik, Józefa Ignacego Kraszewskiego 18/7, 15-025 Białystok, Poland ; Justyna Krajenta - Panamedica Maciej Michalik, Józefa Ignacego Kraszewskiego 18/7, 15-025 Białystok, Poland ; Magda Bielicka - Doctoral School of Exact and Natural Sciences, University of Białystok, Ciołkowskiego 1K, 15-245 Białystok, Poland; Faculty of Chemistry, University of Białystok, Ciołkowskiego 1K, 15-245 Białystok, Poland ; Karolina Halina Markiewicz - Faculty of Chemistry, University of Białystok, Ciołkowskiego 1K, 15-245 Białystok, Poland ; Beata Kalska-Szostko - Faculty of Chemistry, University of Białystok, Ciołkowskiego 1K, 15-245 Białystok, Poland ; Agnieszka Zofia Wilczewska - Faculty of Chemistry, University of Białystok, Ciołkowskiego 1K, 15-245 Białystok, Poland ; Bleach, R.; Karagoz, B.; Prakash, S.M.; Davis, T.P.; Boyer, C. In ...