Nanoparticle dispersions with ionic liquid-based stabilizers
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United States of America Patent
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Dec 30, 2014
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N/A
app pub date -
Mar 18, 2011
filing date -
Mar 19, 2010
priority date (Note) -
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Abstract
The disclosure generally relates to a dispersion of nanoparticles in a liquid medium. The liquid medium is suitably water-based and further includes an ionic liquid-based stabilizer in the liquid medium to stabilize the dispersion of nanoparticles therein. The stabilizer can be polymeric or monomeric and generally includes a moiety with at least one quaternary ammonium cation from a corresponding ionic liquid. The dispersion suitably can be formed by shearing or otherwise mixing a mixture/combination of its components. The dispersions can be used to form nanoparticle composite films upon drying or otherwise removing the liquid medium carrier, with the stabilizer providing a nanoparticle binder in the composite film. The films can be formed on essentially any desired substrate and can impart improved electrical conductivity and/or thermal conductivity properties to the substrate.
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International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
- H01B:CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATER....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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