期刊
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
卷 48, 期 8, 页码 821-826出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/03602550902994870
关键词
Composite; Dispersion; High density polyethylene; Multi-wall carbon nanotubes (MWCNTs)
资金
- Oriental Institute of Technology and National Science Council of R.O.C. (Taiwan) [NSC96-2221E-161-004, NSC96-2212-E-161-007]
Studies have proved that increasing polymer matrices by carbon nanotubes to form structural reinforcement and electrical conductivity have significantly improved mechanical and electrical properties at very low carbon nanotubes loading. In other words, increasing polymer matrices by carbon nanotubes to form structural reinforcement can reduce friction coefficient and enhance anti-wear property. However, producing traditional MWCNTs in polymeric materix is an extremely complicated process. Using melt-mixing process or in situ polymerization leads to better dispersion effect on composite materials. In this study, therefore, to simplify MWCNTs/HDPE composite process and increase dispersion, powder was used directly to replace pellet to mix and sinter with MWCNTs. The composite bulks with 0, 0.5, 1, 2 and 4% nanotube content by weight was analyzed under SEM to observe nanotubes dispersion. At this rate, a MWCNTs/HDPE composite bulk with uniformly dispersed MWCNTs was achieved, and through the wear bench (Pinon-Disk), the wear experiment has accomplished. Accordingly, the result suggests the sintered MWCNTs/HDPE composites amplify the hardness and wear-resist property.
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