Clays for polymeric nanocomposites

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Journal titlePolymer Engineering & Science
Pages559572; # of pages: 14
AbstractWe discuss test methods and results for determining individual clay platelets shape, size, size distribution, elemental composition, and impurities. Commercial sodium salt varieties of natural, semisynthetic and synthetic clay (Cloisite 1 -Naþ, Somasif ME-100, and Topy- Naþ, respectively) were analyzed. In this international collaboration, eight laboratories on three continents carried out the work within the VAMAS TWA-33 activities. There are large differences between the three nanofillers as far as: (1) the platelet orthogonal dimensions, (2) chemical composition, and (3) contaminants (their diversity and quantity) are concerned. Elaborate purification of natural clays leaves behind 2–5 wt% of organic and mineral impurities, whose nature, shape, size, and chemistry depend on the clay origin. These contaminants affect nanocomposite performance, thus controlling their composition and quantity is essential. The article describes the developed methods, summarizes the preliminary results, discusses the encountered difficulties, and proposes methods for solving them.
Publication date
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NRC number53855
NPARC number16706439
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Record identifier15f76167-2a42-483d-b5a9-e8a26d0ffb8b
Record created2011-01-27
Record modified2016-05-09
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