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Effectiveness of PANI/Cu/TiO2 ternary nanocomposite on antibacterial and antistatic behaviors in polyurethane coatings
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-01-06 , DOI: 10.1002/app.48825 Abdolreza Mirmohseni 1 , Mortaza Rastgar 1 , Ali Olad 1
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-01-06 , DOI: 10.1002/app.48825 Abdolreza Mirmohseni 1 , Mortaza Rastgar 1 , Ali Olad 1
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Surfaces with antibacterial and antistatic functionalities are one of the new demands of todays' industry. Therefore, a facile method for the preparation of multifunctional polyaniline/copper/TiO2 (PANI/Cu/TiO2) ternary nanocomposite based on in situ polymerization is presented. This nanocomposite was characterized through the different techniques and was utilized for induction of antibacterial and antistatic properties in polyurethane coatings. Measurement of the conductivity of PANI/Cu/TiO2 ternary nanocomposite indicated higher electrical conductivity of this nanocomposite compared to pure PANI. The antibacterial activity of the modified polyurethane coatings was tested against Gram‐positive and Gram‐negative bacteria which led to remarkable reduction in bacterial growth. Besides, it was observed that polyurethane coating with 2 wt % content of ternary nanocomposite has a surface electrical resistance equal 4 × 108 Ω/sq which acquires surface electrical resistance of standard antistatic coatings. The final coatings were also characterized in terms of thermal and mechanical properties to investigate the effect of the ternary nanocomposite on improvement of these properties. © 2020 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48825.
中文翻译：
PANI / Cu / TiO2三元纳米复合材料对聚氨酯涂料抗菌和抗静电行为的有效性
具有抗菌和抗静电功能的表面是当今工业的新要求之一。因此，提出了一种基于原位聚合制备多功能聚苯胺/铜/ TiO 2（PANI / Cu / TiO 2）三元纳米复合材料的简便方法。通过不同的技术对该纳米复合材料进行了表征，并用于在聚氨酯涂料中诱导抗菌和抗静电性能。PANI / Cu / TiO 2电导率的测量三元纳米复合材料表明，与纯PANI相比，该纳米复合材料具有更高的电导率。测试了改性聚氨酯涂料对革兰氏阳性和革兰氏阴性细菌的抗菌活性，从而显着降低了细菌的生长。此外，据观察，与三元纳米复合材料的2重量％的含量聚氨酯涂层具有表面电阻等于4×10 8 Ω/□，其取得标准的表面抗静电涂层的电阻。还根据热和机械性能表征了最终涂层，以研究三元纳米复合材料对改善这些性能的影响。©2020 Wiley Periodicals，Inc. J. Appl。Polym。科学 2020，137，48825。
更新日期：2020-03-27
中文翻译：
PANI / Cu / TiO2三元纳米复合材料对聚氨酯涂料抗菌和抗静电行为的有效性
具有抗菌和抗静电功能的表面是当今工业的新要求之一。因此，提出了一种基于原位聚合制备多功能聚苯胺/铜/ TiO 2（PANI / Cu / TiO 2）三元纳米复合材料的简便方法。通过不同的技术对该纳米复合材料进行了表征，并用于在聚氨酯涂料中诱导抗菌和抗静电性能。PANI / Cu / TiO 2电导率的测量三元纳米复合材料表明，与纯PANI相比，该纳米复合材料具有更高的电导率。测试了改性聚氨酯涂料对革兰氏阳性和革兰氏阴性细菌的抗菌活性，从而显着降低了细菌的生长。此外，据观察，与三元纳米复合材料的2重量％的含量聚氨酯涂层具有表面电阻等于4×10 8 Ω/□，其取得标准的表面抗静电涂层的电阻。还根据热和机械性能表征了最终涂层，以研究三元纳米复合材料对改善这些性能的影响。©2020 Wiley Periodicals，Inc. J. Appl。Polym。科学 2020，137，48825。
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