Abstract: A method for forming polymer carbon nanotube composites, the method comprising: contacting carbon nanotubes with ozone to functionalize the sidewalls of the carbon nanotubes with at least one oxygen moiety; and reacting the functionalized carbon nanotubes with at least one monomer or at least one polymer or copolymer to attach polymer chains to the sidewalls of the carbon nanotubes.
Type:
Grant
Filed:
November 21, 2008
Date of Patent:
May 21, 2013
Assignees:
Nanoledge Inc., Centre National de la Recherche Scientifique (CNRS)
Inventors:
Kai Schierholz, Patrice Lucas, Bernard Boutevin, François Ganachaud
Abstract: The invention relates to a method for preparing submicronic particles of a thermoplastic polymer encapsulating nanoparticles, said submicronic particles being obtained by nanoprecipitation. The invention also relates to submicronic particles of a polymer encapsulating nanoparticles obtained by said method, and to the use of submicronic particles for making materials reinforced by nanoparticles.
Type:
Application
Filed:
October 7, 2009
Publication date:
November 10, 2011
Applicants:
NANOLEDGE INC., ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELIER, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.)
Abstract: The invention concerns a method for making polymeric extruded composite products and carbon nanotubes. Said method includes the following steps: a) performing an oxidation pretreatment of the carbon nanotubes; b) dispersing the nanotubes in a polymer solution; c) extruding the resulting dispersion into an intermediate product; d) drying said intermediate product; e) post-treating said dried intermediate product by hot drawing process; f) post-treating said dried intermediate product of said drawn intermediate product by drawing in an ionic solution; g) performing a formalizing treatment process: Steps e) f) and g) are optional. The extruded polymeric products obtained by the inventive method can contain up to 80 wt. % of nanotubes.
Abstract: The present invention relates to a device comprising at least one type of conjugated polymer and at least one type of particular tubular nanostructure. The invention relates mainly to a device comprising at least one type of conjugated polymer (functioning as an electron donor) and at least one type of tubular nanostructure (functioning as an electron acceptor), said tubular nanostructure comprising at least one complexed pigment on its surface. The device is proposed in particular for forming a photovoltaic cell.