Nanodispersions of carbon nanofiber for polyurethane foaming

Nanodispersions of polyurethane components with a three dimensional gelled network of filler is formed by the addition of a very small quantity of vapor grown carbon nanofiber (CNF). Reactive foaming of these nanodispersions produced polyurethane foams with superior properties. The kinetic profiles...

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Bibliographic Details
Published in:Polymer (Guilford) 2010-07, Vol.51 (15), p.3349-3353
Main Authors: Harikrishnan, G., Singh, Sachchida N., Kiesel, Elizabeth, Macosko, Christopher W.
Format: Article
Language:English
Subjects:
Applied sciences
Carbon fibers
Carbon nanofiber
Composites
Exact sciences and technology
Fillers
Foaming
Foams
Forms of application and semi-finished materials
Nanocomposites
Nanodispersion
Nanofibers
Nanomaterials
Nanostructure
Polymer industry, paints, wood
Polyurethane foam
Technology of polymers
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Summary:Nanodispersions of polyurethane components with a three dimensional gelled network of filler is formed by the addition of a very small quantity of vapor grown carbon nanofiber (CNF). Reactive foaming of these nanodispersions produced polyurethane foams with superior properties. The kinetic profiles of polymerization and foaming reactions are not affected by the addition of filler. The cellular structure of nanocomposite foam becomes more uniform. Thermal conductivity and fire retarding tendency of the nanocomposite foams are superior at a very low loading of filler (1% by weight in components which corresponds to
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2010.05.017