Abstract: The present invention relates to a catalytic composition for the synthesis of carbon nanotubes, comprising an active catalyst and a catalytic support, the active catalyst comprising a mixture of iron and cobalt in any oxidation form and the catalytic support comprising exfoliated vermiculite.

Abstract: The present invention relates to a catalytic composition for the synthesis of carbon nanotubes, comprising an active catalyst and a catalytic support, the active catalyst comprising a mixture of iron and cobalt in any oxidation form and the catalytic support comprising exfoliated vermiculite.

Abstract: The present invention relates to a catalytic composition for the synthesis of carbon nanotubes, comprising an active catalyst and a catalytic support, the active catalyst comprising a mixture of iron and cobalt in any oxidation form and the catalytic support comprising exfoliated vermiculite.

Abstract: The present invention concerns a fireproof composition consisting of reticulated polysiloxane and raw carbon nanotubes with a “bound rubber” value greater than or equal to 15 grams of carbon nanotube, said carbon nanotubes representing between 0.05 and 1% of the total weight of said composition.

Abstract: The present invention is related to a continuous method for the functionalization of a pulverulent product in a plasma reactor comprising the steps of:—generating a plasma in a vertical reactor;—bringing the pulverulent product in contact with said plasma by letting said particles fall by gravity from top to bottom trough said reactor. The present invention also discloses an instalation for performing the functionalization method.

Abstract: The present invention refers to a method for the preparation of a reinforced thermoset polymer composite, said thermoset polymer composite comprising coated fibres, the coating being used as a vehicle for the introduction of carbon nanotubes into the thermoset polymer, the preparation of said reinforced thermoset polymer composite comprising the following steps: providing fibres; preparing a coating comprising carbon nanotubes and a polymeric binder; applying said coating to said fibres to obtain coated fibres; impregnating said coated fibres with a precursor of a thermoset polymer and letting part of the carbon nanotubes transfer from the coating into the precursor of the thermoset polymer; curing said precursor containing the coated fibres and the transferred carbon nanotubes to achieve the reinforced thermoset polymer composite.

Abstract: The present invention relates to a catalytic composition for the synthesis of carbon nanotubes, comprising an active catalyst and a catalytic support, the active catalyst comprising a mixture of iron and cobalt in any oxidation form and the catalytic support comprising exfoliated vermiculite.

Abstract: The present invention refers to a method for the preparation of a reinforced thermoset polymer composite, said thermoset polymer composite comprising coated fibers, the coating being used as a vehicle for the introduction of carbon nanotubes into the thermoset polymer, the preparation of said reinforced thermoset polymer composite comprising the following steps: —providing fibers; —preparing a coating comprising carbon nanotubes and a polymeric binder; —applying said coating to said fibers to obtain coated fibers; —impregnating said coated fibers with a precursor of a thermoset polymer and letting part of the carbon nanotubes transfer from the coating into the precursor of the thermoset polymer; —curing said precursor containing the coated fibers and the transferred carbon nanotubes to achieve the reinforced thermoset polymer composite.

Abstract: The present invention concerns a fireproof composition consisting of reticulated polysiloxane and raw carbon nanotubes with a “bound rubber” value greater than or equal to 15 grams of carbon nanotube, said carbon nanotubes representing between 0.05 and 1% of the total weight of said composition.

Abstract: The present invention is related to a method for detecting at least one chemical analyte vapour in a gaseous environment comprising the steps of: providing a fibre-based electrochemical sensor, said fibre-based sensor comprising at least one type of composite fibres, said type of composite fibres comprising a co-continuous phase blend comprising a first and a second continuous polymer phase, the first polymer phase being sensitive to the chemical analyte vapour to be detected in use, wherein said first polymer phase comprises a dispersion of carbon nanotubes at a concentration above the percolation threshold and wherein the chemical analyte is soluble in said first polymer phase; measuring the initial electrical conductivity of the fibre-based sensor; bringing said fibre-based sensor into contact with at least one chemical analyte to induce a modification of the electrical conductivity of the fibres; measuring the modification of the resulting electrical conductivity of said fibre-based sensor and correla

Abstract: The present invention is related to a polymer fibre-based PTC resistor comprising a co-continuous polymer phase blend, said blend comprising a first and a second continuous polymer phase, wherein the first polymer phase comprises a dispersion of carbon nanotubes at a concentration above the percolation threshold, said first polymer phase presenting a softening temperature lower than the softening temperature of the second polymer phase.

Abstract: The present invention relates to the use of a composition comprising a polysiloxane-based polymer and at least one cylindrical nanofiller as a marine anti-biofouling and/or fouling release coating.

Abstract: This invention relates to a method for producing carbon nanotubes in a dispersed state. The method comprises a stage whereby polymerization is carried out from at least one so-called monomer of interest, in the presence of a catalytic system. The catalytic system comprises a co-catalyst/catalyst catalytic couple that is supported by a catalyst carrier, which corresponds to said carbon nanotubes. The invention also relates to composite materials obtained by said method, and to a catalytic system for implementing said method. The invention further relates to the use of the inventive method and products in a field of polymers, especially that of nanotechnologies.

Abstract: The present invention relates to a catalyst system for the selective conversion of hydrocarbons into multi-walled carbon nanotubes and hydrogen comprising a compound of the formula: (Ni,Co)FeyOz(Al2O3)w wherein ‘y’ represents the molar fraction of Fe relative to Co and Ni and wherein 0.11?y?9.0, 1.12?z?14.5, and 1.5?w?64.

Abstract: The present invention relates to a method for synthesising a catalyst with a view to the production of multi-wall nanotubes comprising the following stages: mixing an Al(OH)3 powder having a particle size lower than 80 ?m with an aqueous solution of an iron and cobalt salt, the whole forming a paste; drying said paste until a powder with a moisture level lower than 5% by weight is obtained; selecting the particle-size fraction that is lower than 70 ?m.

Abstract: The present invention relates to the use of a composition comprising a polysiloxane-based polymer and at least one cylindrical nanofiller as a marine anti-biofouling and/or fouling release coating.

Abstract: This invention relates to a method for producing carbon nanotubes in a dispersed state. The method comprises a stage whereby polymerization is carried out from at least one so-called monomer of interest, in the presence of a catalytic system. The catalytic system comprises a co-catalyst/catalyst catalytic couple that is supported by a catalyst carrier, which corresponds to said carbon nanotubes. The invention also relates to composite materials obtained by said method, and to a catalytic system for implementing said method. The invention further relates to the use of the inventive method and products in a field of polymers, especially that of nanotechnologies.

Abstract: The present invention relates to a method for synthesising a catalyst with a view to the production of multi-wall nanotubes comprising the following stages: mixing an Al(OH)3 powder having a particle size lower than 80 ?m with an aqueous solution of an iron and cobalt salt, the whole forming a paste; drying said paste until a powder with a moisture level lower than 5% by weight is obtained; selecting the particle-size fraction that is lower than 70 ?m.

Abstract: The present invention relates to a catalyst system for the selective conversion of hydrocarbons into multi-walled carbon nanotubes and hydrogen comprising a compound of the formula: (Ni,Co)FeyOz(Al2O3)w wherein ‘y’ represents the molar fraction of Fe relative to Co and Ni and wherein 0.11?y?9.0, 1.12?z?14.5, and 1.

Abstract: The invention concerns a method for dispersing carbon nanotubes in a polymer matrix including a step of preparing carbon nanotubes coated with a polymer coating by a method for polymerizing a monomer using a catalytic system wherein carbon nanotubes are used as catalytic support, the carbon nanotubes comprising in surface the catalytic system for polymerizing the coating polymer, and the coating polymer being non-miscible in the host polymer matrix, followed by a step of hot process mixing of the coated carbon nanotubes with a polymer matrix.