Effects of MWCNT and Sodium Dodecyl Sulfate (SDS) contents on the electrical conductivity and sensor properties of thermoplastic polyurethane nanosurfaces

IF 17.7 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-02-27 DOI:10.35530/it.075.01.2023105

Rusen Inan, Ismail Usta, Y. Sahin

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Abstract

Recently, strain sensors have significant areas of usage with their strain, stretching and wearable features for various applications such as personal health monitoring, joint movement detection, robotics, etc. To achieve this, various studies are conducted to optimize the production of MWCNT-based nanocomposites. In the present study, a total of 12 solutions were formulated by introducing Multi-Walled Carbon Nanotubes (MWCNT) and Sodium Dodecyl Sulfate (SDS) at different concentrations and ratios into the Thermoplastic Polyurethane (TPU) solution, and then nanocomposite surfaces were produced from these solutions through an electrospinning process. These samples were subjected to resistance changes due to elongation, gauge factor changes due to elongation to evaluate the sensor property and cycle tests to evaluate the sustainability of the sensor feature. According to the results, the best sensor properties were obtained in the samples with SDS added at a rate of 1/20 (MWCNT:SDS) for 0.3 MWCNT and 0.5 MWCNT; on the other hand 1/26 weight ratio of MWCNT:SDS for 0.7 MWCNT.

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MWCNT 和十二烷基硫酸钠 (SDS) 含量对热塑性聚氨酯纳米表面的导电性和传感器性能的影响

最近，应变传感器以其应变、拉伸和可穿戴的特性在个人健康监测、关节运动检测、机器人等各种应用中得到了广泛应用。为此，人们开展了各种研究，以优化基于 MWCNT 的纳米复合材料的生产。在本研究中，通过在热塑性聚氨酯（TPU）溶液中引入不同浓度和比例的多壁碳纳米管（MWCNT）和十二烷基硫酸钠（SDS），共配制出 12 种溶液，然后通过电纺工艺从这些溶液中生产出纳米复合材料表面。对这些样品进行了伸长引起的电阻变化、伸长引起的测量系数变化以评估传感器性能，并进行了循环测试以评估传感器功能的可持续性。结果表明，0.3 MWCNT 和 0.5 MWCNT 样品中 SDS 的添加比例为 1/20（MWCNT:SDS）；0.7 MWCNT 样品中 SDS 的添加比例为 1/26。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.

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