Recycling of Acrylonitrile Butadiene Styrene from Electronic Waste for the Production of Eco-Friendly Filaments for 3D Printing.

IF 2.3 4区工程技术 Q3 ENGINEERING, MANUFACTURING

3D Printing and Additive Manufacturing Pub Date : 2024-06-18 eCollection Date: 2024-06-01 DOI:10.1089/3dp.2022.0211

Rafaela de Oliveira, Milena Heloísa Araújo Silva, Pankaj Agrawal, Gustavo de Figueiredo Brito, Carlos Thiago Candido Cunha, Tomás Jeferson Alves de Mélo

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Abstract

In this work, acrylonitrile butadiene styrene (ABS) copolymer from electronic waste (e-waste) was used to produce filaments for application in 3D printing. Recycled ABS (rABS) from e-waste was blended with virgin ABS (vABS) in different concentrations. By differential scanning calorimetry, it was observed that the values of the glass transition temperatures for vABS/rABS blends ranged between the values of vABS and rABS. Torque rheometry analysis showed that the processability of vABS was not compromised with the addition of rABS. Rheological measurements showed that the viscosity of vABS was higher than that of rABS at low frequencies and indicated that vABS and rABS are immiscible. Impact strength (IS) tests of the 3D printed samples showed an increase in the IS with an increase in the rABS content up to 50 wt%. Blending vABS with rABS from e-waste is promising and proved to be feasible, making it possible to recycle a considerable amount of plastics from e-waste and, thus, contributing to the preservation of the environment.

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从电子垃圾中回收丙烯腈-丁二烯-苯乙烯，用于生产3D打印的环保灯丝

在这项工作中，利用电子废弃物（e-waste）中的丙烯腈-丁二烯-苯乙烯（ABS）共聚物来生产应用于 3D 打印的长丝。电子废弃物中的回收 ABS（rABS）与原生 ABS（vABS）以不同浓度混合。通过差示扫描量热法观察到，vABS/rABS 混合物的玻璃化转变温度值介于 vABS 和 rABS 的玻璃化转变温度值之间。扭矩流变分析表明，添加 rABS 后 vABS 的加工性没有受到影响。流变测量结果表明，在低频下，vABS 的粘度高于 rABS，这表明 vABS 和 rABS 是不相溶的。三维打印样品的冲击强度（IS）测试表明，随着 rABS 含量的增加，IS 也在增加，最高可达 50 wt%。将 vABS 与电子废弃物中的 rABS 混合是很有前景的，而且证明是可行的，这使得从电子废弃物中回收大量塑料成为可能，从而为保护环境做出了贡献。

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来源期刊

3D Printing and Additive Manufacturing Materials Science-Materials Science (miscellaneous)

CiteScore

6.00

自引率

6.50%

发文量

126

期刊介绍： 3D Printing and Additive Manufacturing is a peer-reviewed journal that provides a forum for world-class research in additive manufacturing and related technologies. The Journal explores emerging challenges and opportunities ranging from new developments of processes and materials, to new simulation and design tools, and informative applications and case studies. Novel applications in new areas, such as medicine, education, bio-printing, food printing, art and architecture, are also encouraged. The Journal addresses the important questions surrounding this powerful and growing field, including issues in policy and law, intellectual property, data standards, safety and liability, environmental impact, social, economic, and humanitarian implications, and emerging business models at the industrial and consumer scales.