Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/100209
Title: Improvement in properties of multiwalled carbon nanotube/polypropylene nanocomposites through homogeneous dispersion with the aid of surfactants
Authors: Cheng, Henry Kuo Feng
Pan, Yongzheng
Sahoo, Nanda Gopal
Chong, Kahwei
Li, Lin
Chan, Siew Hwa
Zhao, Jianhong
Issue Date: 2011
Source: Cheng, H. K. F., Pan, Y., Sahoo, N. G., Chong, K., Li, L., Chan, S. H., etc. (2011). Improvement in properties of multiwalled carbon nanotube/polypropylene nanocomposites through homogeneous dispersion with the aid of surfactants. Journal of Applied Polymer Science, 124(2), 1117-1127.
Series/Report no.: Journal of applied polymer science
Abstract: The effects of different surfactants on the properties of multiwalled carbon nanotubes/polypropylene (MWCNT/PP) nanocomposites prepared by a melt mixing method have been investigated. Sodium dodecyl sulfate (SDS) and sodium dodecylbenzene sulfonate (NaDDBS) were used as a means of noncovalent functionalization of MWCNTs to help them to be dispersed uniformly into the PP matrix. The effects of these surfactant-treated MWCNTs on morphological, rheological, thermal, crystalline, mechanical, and electrical properties of MWCNT/PP composites were studied using field emission scanning electron microscopy, optical microscopy, rheometry, tensile, and electrical conductivity tests. It was found that the surfactant-treatment and micromixing resulted in a great improvement in the state of dispersion of MWCNTs in the polymer matrix, leading to a significant enhancement of Young's modulus and tensile strength of the composites. For example, with the addition of only 2 wt % of SDS-treated and NaDDBS-treated MWCNTs, the Young's modulus of PP increased by 61.1 and 86.1%, respectively.
URI: https://hdl.handle.net/10356/100209
http://hdl.handle.net/10220/13591
DOI: 10.1002/app.35047
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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