Effect of zinc oxide suspension on the overall filler content of the PLA/ZnO composites and cPLA/ZnO composites

IF 3.2 3区化学 Q2 POLYMER SCIENCE

e-Polymers Pub Date : 2023-01-01 DOI:10.1515/epoly-2022-8113

M. Tan, C. Yeoh, P. Teh, N. Rahim, Cheah Chie Song, C. Voon

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引用次数: 2

Abstract

Abstract This work aimed to study the effect of zinc oxide (ZnO) filler suspension on the mechanical, electrical, and thermal properties of polylactic acid (PLA)/ZnO and cPLA/ZnO. Fused deposition modelling, one of the additive manufacturing methods, was used to fabricate the PLA specimen. PLA was used as the main material in this project, and the ZnO suspension was added during the printing process. The speed of the dispenser (low speed = 1,000 rpm, medium speed = 1,400 rpm, and high speed = 1,800 rpm) was the parameter that was varied to control the filler content of the composite. All the samples underwent a tensile test to determine the mechanical properties, followed by the scanning electron microscopy (SEM) test to analyse the fracture surface properties of the tensile test. SEM observations showed the PLA samples’ inherent smooth appearance, but the PLA/ZnO composite showed a rougher surface. PLA and cPLA composites showed an enhanced storage modulus but lower loss modulus than the pure samples. Because of the high thermal and electrical conductivity of carbon black and ZnO, cPLA composites had higher electrical and thermal conductivity than PLA composites.

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氧化锌悬浮液对PLA/ZnO复合材料和cPLA/ZnO2复合材料总填料含量的影响

摘要本工作旨在研究氧化锌（ZnO）填料悬浮液对聚乳酸（PLA）/ZnO和cPLA/ZnO的力学、电学和热学性能的影响。熔融沉积建模是增材制造方法之一，用于制造PLA样品。该项目以PLA为主要材料，在印刷过程中加入了ZnO悬浮液。分配器的速度（低速=1000 rpm，中速=1400 rpm，并且高速=1800 rpm）是为了控制复合物的填料含量而改变的参数。所有样品都进行了拉伸试验以确定机械性能，然后进行了扫描电子显微镜（SEM）试验以分析拉伸试验的断裂表面性能。SEM观察显示PLA样品固有的光滑外观，但PLA/ZnO复合材料显示出更粗糙的表面。PLA和cPLA复合材料显示出比纯样品更高的储能模量但更低的损耗模量。由于炭黑和ZnO的高导热性和高导电性，cPLA复合材料比PLA复合物具有更高的导电性和导热性。

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

e-Polymers 化学-高分子科学

CiteScore

5.90

自引率

10.80%

发文量

审稿时长

6.4 months

期刊介绍： e-Polymers is a strictly peer-reviewed scientific journal. The aim of e-Polymers is to publish pure and applied polymer-science-related original research articles, reviews, and feature articles. It includes synthetic methodologies, characterization, and processing techniques for polymer materials. Reports on interdisciplinary polymer science and on applications of polymers in all areas are welcome. The present Editors-in-Chief would like to thank the authors, the reviewers, the editorial staff, the advisory board, and the supporting organization that made e-Polymers a successful and sustainable scientific journal of the polymer community. The Editors of e-Polymers feel very much engaged to provide best publishing services at the highest possible level.