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评估铁（III）在使用基于生物质废料的淀粉模板制备导电多孔复合材料中的作用。

Evaluating the Effect of Iron(III) in the Preparation of a Conductive Porous Composite Using a Biomass Waste-Based Starch Template.

作者信息

Rodríguez-Quesada Laria, Ramírez-Sánchez Karla, León-Carvajal Sebastián, Sáenz-Arce Giovanni, Vásquez-Sancho Fabián, Avendaño-Soto Esteban, Montero-Rodríguez Juan José, Starbird-Perez Ricardo

机构信息

Master Program in Medical Devices Engineering, Instituto Tecnológico de Costa Rica, Cartago 159-7050, Costa Rica.

Centro de Investigación en Servicios Químicos y Microbiológicos (CEQIATEC), Escuela de Química, Instituto Tecnológico de Costa Rica, Cartago 159-7050, Costa Rica.

出版信息

Polymers (Basel). 2023 Jun 2;15(11):2560. doi: 10.3390/polym15112560.

DOI:10.3390/polym15112560
PMID:37299358
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10255400/
Abstract

In this work, the effect of iron(III) in the preparation of a conductive porous composite using a biomass waste-based starch template was evaluated. Biopolymers are obtained from natural sources, for instance, starch from potato waste, and its conversion into value-added products is highly significant in a circular economy. The biomass starch-based conductive cryogel was polymerized via chemical oxidation of 3,4-ethylenedioxythiophene (EDOT) using iron(III) p-toluenesulfonate as a strategy to functionalize porous biopolymers. Thermal, spectrophotometric, physical, and chemical properties of the starch template, starch/iron(III), and the conductive polymer composites were evaluated. The impedance data of the conductive polymer deposited onto the starch template confirmed that at a longer soaking time, the electrical performance of the composite was improved, slightly modifying its microstructure. The functionalization of porous cryogels and aerogels using polysaccharides as raw materials is of great interest for applications in electronic, environmental, and biological fields.

摘要

在这项工作中，评估了铁（III）在使用基于生物质废料的淀粉模板制备导电多孔复合材料中的作用。生物聚合物来源于天然资源，例如，来自马铃薯废料的淀粉，在循环经济中，将其转化为高附加值产品具有重要意义。以生物质淀粉为基础的导电冷冻凝胶通过使用对甲苯磺酸铁（III）对3,4-亚乙基二氧噻吩（EDOT）进行化学氧化聚合，以此作为一种使多孔生物聚合物功能化的策略。对淀粉模板、淀粉/铁（III）以及导电聚合物复合材料的热性能、分光光度性能、物理性能和化学性能进行了评估。沉积在淀粉模板上的导电聚合物的阻抗数据证实，浸泡时间延长时，复合材料的电性能得到改善，其微观结构略有改变。使用多糖作为原料对多孔冷冻凝胶和气凝胶进行功能化，在电子、环境和生物领域的应用中具有重大意义。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/a0de936f5cb9/polymers-15-02560-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/b5d8e5349880/polymers-15-02560-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/fa075f291909/polymers-15-02560-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/55c915ec2ee9/polymers-15-02560-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/c7071ddbffbc/polymers-15-02560-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/f6d4f46eaa73/polymers-15-02560-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/338b5f1cfb2e/polymers-15-02560-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/962c484cd5e1/polymers-15-02560-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/a0de936f5cb9/polymers-15-02560-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/b5d8e5349880/polymers-15-02560-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/fa075f291909/polymers-15-02560-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/55c915ec2ee9/polymers-15-02560-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/c7071ddbffbc/polymers-15-02560-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/f6d4f46eaa73/polymers-15-02560-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/338b5f1cfb2e/polymers-15-02560-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/962c484cd5e1/polymers-15-02560-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/adc5/10255400/a0de936f5cb9/polymers-15-02560-g008.jpg

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