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首页> 外文期刊>Materials Science and Engineering >Conducting nanocomposites of polypyrrole-co-polyindole doped with carboxylated CNT: Synthesis approach and anticorrosion/antibacterial/ antioxidation property
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Conducting nanocomposites of polypyrrole-co-polyindole doped with carboxylated CNT: Synthesis approach and anticorrosion/antibacterial/ antioxidation property

机译：用羧化CNT掺杂掺杂掺杂聚吡咯 - 共聚吲哚的纳米复合材料：合成方法和防腐/抗菌/抗氧化性能

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Developing conducting polymers to be utilized within the swiftly advancing electronic usage and medical application requires a detailed synthetic approach in addition to a fine engineering procedure. These polymers should be able to offer a sturdy yet processable property which makes them capable of being used in electron transfer devices and vital signaling devices. Nanocomposites made from heat resistant soluble conductive copolymers enhanced with functionalized CNT dopants, which show high conductivity and rapid oxidation reaction with desired biocompatibility, are a promising candidate. This article consists of two stages to obtain this aspired product; the first stage struggles to develop a synthetic procedure for an ideal pyrrole/indole copolymer (PPy-co-PIn) and the second stage demonstrates its nanocomposite preparation with carboxy acid modified CNT (PPy-co-PIn@CNT). In fact, primarily various routes for the synthesis of PPy-co-PIn using emulsion polymerization and solution polymerization with diverse solution ratios and three different oxidizing initiators i.e. ammonium persulfate (APS), anhydrous iron (III) chloride (FeCl_3), and benzoyl peroxide (BPO) were explored and their structure was further studied by FTIR, NMR, EDX, UV-Vis, XRD, and SEM techniques. Moreover, the effect of either synthetic strategy on processability, heat property, conductivity and anticorrosion property of the copolymer was measured until the finest copolymer was recognized. Latterly from this copolymer, PPy-co-PIn@CNT nanocomposite was synthesized in three feed ratios of 0.025, 0.050 and 0.075 percent of modified CNT to the selected copolymer in order to enhance its corrosion resistance and related electric property performance. The antioxidant ability, antibacterial property and thermal resistance of the nanocomposite were further studied. Preliminary studies revealed the production of conductive nanocomposite with good thermal property and relatively good antibacterial inhibition zone, with the antioxidant activity reaching up to 95%.
机译：除了精细工程程序之外，在迅速推进的电子使用和医学应用中，还需要一种详细的合成方法的开发聚合物需要详细的合成方法。这些聚合物应该能够提供坚固但可加工的性质，使得它们能够用于电子传输装置和重要的信号装置。由耐热性可变性共聚物制成的纳米复合材料，其具有官能化的CNT掺杂剂，其显示出高导电性和与所需生物相容性的氧化反应的高导电性和快速氧化反应，是有希望的候选者。本文包括两个阶段，以获得此渴望产品;第一阶段努力为理想的吡咯/吲哚共聚物（PPY-CO-PIN）开发合成程序，第二阶段用羧酸改性CNT（PPY-CO-PIN @ CNT）显示其纳米复合材料制剂。实际上，主要使用乳液聚合和用不同溶液比和三种不同的氧化引发剂的溶液聚合合成PPY-Co-PIN的各种途径，即三种不同的氧化引发剂，即过硫酸铵（APS），无水铁（III）氯化物（FECL_3）和苯甲酰基（BPO）被探索，其结构进一步研究了FTIR，NMR，EDX，UV-VI，XRD和SEM技术。此外，测定了合成策略对共聚物的加工性，散热，电导率和防腐性能的影响，直至识别出优质的共聚物。从该共聚物中，Ppy-Co-PIN @ CNT纳米复合材料以0.025,0.050和0.075％改性的CNT的三种进料比合成，以提高其耐腐蚀性和相关的电性能。进一步研究了纳米复合材料的抗氧化能力，抗菌性和热阻。初步研究表明，具有良好的热性和相对良好的抗菌抑制区的导电纳米复合材料的生产，抗氧化活性达到高达95％。

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