Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 126, Issue -, Pages E283-E289Publisher
WILEY-BLACKWELL
DOI: 10.1002/app.36832
Keywords
carbon nanotube; composites; electrical properties; microwave-assisted; welding; joining
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Funding
- A*STAR SERC, Singapore [0721010018]
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Multiwalled carbon nanotube (MWCNT)/polypropylene (PP) composite particles with various compositions were prepared by mechanical grinding of PP microparticles and MWCNT powders in a mortar at room temperature. Scanning electron microscopy (SEM) revealed that PP particles were coated by MWCNTs, forming a core-shell structure. The electrical resistivity versus temperature behavior of MWCNT/PP composite particles and the changes in phase structures before and after melting were studied. Furthermore, MWCNT/PP composite particles with 4 wt % MWCNT were used to weld PP substrates under microwave irradiation. The effects of the irradiation duration and the compression pressure on the welding strength were examined. Here, we have demonstrated a simple and economic method for polymer welding. (c) 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
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