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Release of Carbon Nanotubes from Polymer Nanocomposites

1
Laboratory for Functional Polymers, Swiss Federal Institute for Materials Testing and Research, Dubendorf, Switzerland
2
Laboratory for Analytical Chemistry, Swiss Federal Institute for Materials Testing and Research, Dubendorf, Switzerland
3
Institute of Environmental Engineering, ETH Zurich, Zurich, Switzerland
*
Author to whom correspondence should be addressed.
Fibers 2014, 2(2), 108-127; https://doi.org/10.3390/fib2020108
Received: 11 February 2014 / Revised: 21 March 2014 / Accepted: 21 March 2014 / Published: 28 March 2014
(This article belongs to the Special Issue Nanofibres: Friend or Foe?)
Carbon nanotube (CNT)/polymer nanocomposites have superior properties compared to the neat polymer matrix. They now are widely used in industry, but questions have been raised about the risks of such materials since CNTs can be toxic when inhaled. For a risk assessment of CNT nanocomposites, it is crucial to know whether CNTs from nanocomposites can be released into the environment or if they remain embedded in the matrix. This review article summarizes the studies that investigated the release of CNTs from nanocomposites during the service life. Three scenarios are reviewed, the release of particles due to mechanical impact, the release due to weathering processes, and the release due to fire. A release during composite production and disposal is not incorporated. View Full-Text
Keywords: carbon nanotubes; nanocomposites; release; nanosafety carbon nanotubes; nanocomposites; release; nanosafety
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Schlagenhauf, L.; Nüesch, F.; Wang, J. Release of Carbon Nanotubes from Polymer Nanocomposites. Fibers 2014, 2, 108-127.

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