Development and characterization of nanocellulose/ carbonized waste rubber nanocomposites

BioResources Pub Date : 2024-03-08 DOI:10.15376/biores.19.2.2670-2684

Engin Kocatürk, Ferhat Şen, Mustafa Zor, Zeki Candan

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Abstract

Recycling is one of the most popular research topics today. In this study, in addition to the evaluation of waste tires, which are frequently encountered in the industry and difficult to dispose of, a green biomaterial, nanocellulose-based new generation nanocomposite was produced and characterized for the first time. Carbonized waste rubber, obtained by pyrolysis of tire wastes, was reinforced with nanocellulose at levels of 0.10%, 0.25%, 0.5%, and 1% by weight. The prepared nanocellulose-based nanocomposites were investigated by X-ray diffraction (XRD), morphological properties by scanning electron microscopy (SEM), thermal properties by thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and dynamic mechanical thermal (DMTA). In addition, the percentage of gel contents of the produced nanocomposites were determined. Thermal analyses revealed that the sample containing 1% carbonized waste rubber showed the highest thermal stability and at 750 °C the ash yield increased up to 25% compared to nanocellulose. The fabricated nanocomposites had about 10 times higher storage modulus compared to pure NC. All results show that the green nanocellulose-based nanocomposites can be used for future applications in industry.

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纳米纤维素/碳化废橡胶纳米复合材料的开发与表征

回收利用是当今最热门的研究课题之一。在本研究中，除了对工业中经常遇到且难以处理的废轮胎进行评估外，还首次生产了一种绿色生物材料，即基于纳米纤维素的新一代纳米复合材料，并对其进行了表征。通过热解轮胎废料得到的碳化废橡胶中添加了纳米纤维素，添加量分别为 0.10%、0.25%、0.5% 和 1%。通过 X 射线衍射（XRD）、扫描电子显微镜（SEM）、热重分析（TGA）、差示扫描量热仪（DSC）和动态机械热（DMTA）研究了所制备的纳米纤维素基纳米复合材料的形态特性。此外，还测定了所制纳米复合材料的凝胶含量百分比。热分析表明，含 1%碳化废橡胶的样品显示出最高的热稳定性，与纳米纤维素相比，在 750 °C 时，灰分产量增加了 25%。与纯 NC 相比，制备的纳米复合材料的存储模量高出约 10 倍。所有结果表明，基于纳米纤维素的绿色纳米复合材料可用于未来的工业应用。

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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BioResources

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