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首页> 外文期刊>Nanobiotechnology, IET >Synthesis, characterisation and potential applications of polyaniline/chitosan-Ag-nano-biocomposite
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Synthesis, characterisation and potential applications of polyaniline/chitosan-Ag-nano-biocomposite

机译：聚苯胺/壳聚糖-银-纳米生物复合材料的合成，表征及潜在应用

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摘要

Biodegradable polymers have greatly promoted the development of environmental, biomedical and allied sciences because of their biocompatibility and doping chemistry. The emergence of nanotechnology has envisaged greater options for the development of biodegradable materials. Polyaniline grafted chitosan (i.e. biodegradable PANI) copolymer was prepared by the chemical in situ polymerisation of aniline using ammonium per sulphate as initiator while Ag nanoparticle were synthesised by chemical reduction method and incorporated in to the polymer matrix. The as prepared materials were characterised by X-ray diffraction, Fourier transform Infra-red spectroscopy, transmission electron microscopy, energy dispersive X-ray analysis. Moreover energy storage capacity, impedance properties were also studied. The main focus was on the photocatalytic degradation of organic dyes to remove the toxic and carcinogenic pollutants. This polymer nano-biocomposite has multifold applications and can be used as excellent materials for enhanced photodegradation and removal of toxic contaminants from waste waters and natural water streams. In addition, the biocompatible materials with excellent mechanical properties and low toxicity can also be used for tissue engineering, drug delivery and electrical energy storage devices.
机译：可生物降解的聚合物因其生物相容性和掺杂化学而大大促进了环境，生物医学和相关科学的发展。纳米技术的出现为生物可降解材料的发展提供了更多的选择。聚苯胺接枝的壳聚糖（即可生物降解的PANI）共聚物是通过使用过硫酸铵作为引发剂对苯胺进行化学原位聚合而制备的，而通过化学还原方法合成了Ag纳米颗粒并掺入到聚合物基质中。通过X射线衍射，傅立叶变换红外光谱，透射电子显微镜，能量色散X射线分析对所制备的材料进行表征。此外，还研究了储能能力，阻抗特性。主要关注于有机染料的光催化降解，以去除有毒和致癌污染物。这种聚合物纳米生物复合材料具有多种用途，可用作增强光降解能力和从废水和天然水流中去除有毒污染物的极佳材料。另外，具有优异机械性能和低毒性的生物相容性材料也可以用于组织工程，药物输送和电能存储装置。

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