Properties of Recycled ABS and HIPS Polymers From WEEE and Their Blends With Virgin ABS Prepared by 3D Printing and Compression Molding

IF 2.7 3区化学 Q2 POLYMER SCIENCE

Journal of Applied Polymer Science Pub Date : 2025-01-24 DOI:10.1002/app.56797

Válmer Azevedo de Sousa Filho, Ana Caroline Santana de Azevedo, Rafaela de Oliveira, Ryan Lucas Pereira Bonfim, Anny Karine da Silva Amaral, Rafael Braga da Cunha, Pankaj Agrawal, Carlos Thiago Candido Cunha, Gustavo de Figueiredo Brito, Tomás Jeferson Alves de Mélo

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引用次数: 0

Abstract

The rapid increase in waste electrical and electronic equipment (WEEE) poses a significant environmental challenge. To address this issue, initiatives promoting circular economy principles have emerged, such as utilizing recycled acrylonitrile butadiene styrene (ABSr) and high-impact polystyrene (HIPSr) from WEEE. This study evaluated the properties of virgin ABS (ABSv)/ABSr and ABSv/HIPSr blends, with ABSr and HIPSr obtained from TV housing WEEE. The blend samples were prepared using filament extrusion, followed by either compression molding or 3D printing. ABSv exhibited a stronger shear-thinning behavior than ABSr and HIPSr at low shear rates, indicating a higher content of butadiene rubber. The viscosities of the blends increased with higher ABSv content at low shear rates and approximated those of ABSv, ABSr, and HIPSr at high shear rates. Overall, compression-molded blends demonstrated superior viscosities at low shear rates and higher impact strength compared to their 3D–printed counterparts.

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废弃电气和电子设备（WEEE）的快速增长给环境带来了巨大挑战。为解决这一问题，出现了一些倡导循环经济原则的倡议，例如利用从废弃电子电气设备中回收的丙烯腈-丁二烯-苯乙烯（ABSr）和高抗冲聚苯乙烯（HIPSr）。本研究评估了原生 ABS (ABSv)/ABSr 和 ABSv/HIPSr 混合物的性能，以及从电视机外壳废旧电子设备中获得的 ABSr 和 HIPSr 的性能。混合物样品采用长丝挤出法制备，然后进行压缩成型或 3D 打印。在低剪切速率下，ABSv 比 ABSr 和 HIPSr 表现出更强的剪切稀化行为，这表明丁二烯橡胶的含量更高。在低剪切速率下，混合物的粘度随着 ABSv 含量的增加而增加，在高剪切速率下，混合物的粘度接近 ABSv、ABSr 和 HIPSr 的粘度。总体而言，与三维打印的同类产品相比，压缩成型的混合物在低剪切速率下具有更高的粘度和冲击强度。

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

Journal of Applied Polymer Science 化学-高分子科学

CiteScore

5.70

自引率

10.00%

发文量

1280

审稿时长

2.7 months

期刊介绍： The Journal of Applied Polymer Science is the largest peer-reviewed publication in polymers, #3 by total citations, and features results with real-world impact on membranes, polysaccharides, and much more.