Release characteristics of selected carbon nanotube polymer composites

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DOIResolve DOI: http://doi.org/10.1016/j.carbon.2013.11.042
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TypeArticle
Journal titleCarbon
ISSN0008-6223
Volume68
Pages3357; # of pages: 25
SubjectAcid-base catalysis; Carbon nanotube-polymer composites; Nanomaterial release; Polymer degradation; Polymer formulation; Polymer nanocomposite; Release characteristics; Temperature extremes; Multiwalled carbon nanotubes (MWCN); Nanocomposites; Solvents; Stresses
AbstractMulti-walled carbon nanotubes (MWCNTs) are commonly used in polymer formulations to improve strength, conductivity, and other attributes. A developing concern is the potential for carbon nanotube polymer nanocomposites to release nanoparticles into the environment as the polymer matrix degrades or is mechanically stressed. Here, we review characteristics related to release potential of five sets of polymer systems: epoxy, polyamide, polyurethane, polyethylene, and polycarbonate. Our review includes consideration of general characteristics and use of the polymer (as related to potential MWCNT release) and its MWCNT composites; general potential for nanomaterial release (particularly MWCNTs) due to degradation and mechanical stresses during use; and potential effects of stabilizers and plasticizers on polymer degradation. We examine UV degradation, temperature extremes, acid-base catalysis, and stresses such as sanding. Based on a high-level summary of the characteristics considered, the potential for release of MWCNT with typical, intended consumer use is expected to be low. © 2013 Elsevier Ltd. All rights reserved.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
Peer reviewedYes
NPARC number21270850
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Record identifier13b54b02-8ecd-4f7b-9df3-167b154bbd6a
Record created2014-02-17
Record modified2016-05-09
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