Effect of Reprocessing on the Rheological, Electrical, and Mechanical Properties of Polypropylene/Carbon Nanotube Composites

被引：18
|
作者：
Stan F. [1 ]
Sandu L.I. [1 ]
Fetecau C. [1 ]
Rosculet R. [1 ]
机构：
[1] Center of Excellence Polymer Processing, Dunarea de Jos University of Galati, 47 Domneasca, Galati
来源：
Fetecau, Catalin (catalin.feteca@ugal.ro) | 2017年 / American Society of Mechanical Engineers (ASME)卷 / 05期
关键词：
Elastic moduli - Filled polymers - Injection molding - Multiwalled carbon nanotubes (MWCN) - Plastic recycling - Tensile strength - Yarn;
D O I：
10.1115/1.4035955
中图分类号：
学科分类号：
摘要：
In this paper, polypropylene (PP) filled with different levels of multiwalled carbon nanotubes (MWCNTs) manufactured by injection molding was closed-loop recycled in order to investigate the effect of recycling and reprocessing on its rheological, electrical, and mechanical properties. It was found that the PP/MWCNT composites keep the flow performance after mechanical recycling. Moreover, the stress and strain at break increase after one reprocessing cycle (mechanical recycling and injection molding), whereas no statistically significant changes in electrical conductivity, Young's modulus, and tensile strength of the PP/MWCNT composites filled with 1, 3, and 5 wt.% were observed. Copyright © 2017 by ASME.
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