Centre National De La Recherche Scientifique

Universitë De Bordeaux

Université Paul Sabatier (toulouse Iii)

Safran

Institut Polytechnique De Bordeaux

Airbus Operations (s.a.s.)

Rhodia Operations

Safran Ceramics

Université De Rouen Normandie

University of Aarhus

Institut National Des Sciences Appliquees De Rouen Normandie

Ecole Nat Superieure Arts Et Metiers Ensam

University De Bordeaux

Airbus Operations Gmbh

Centre National De La Recherche Scientifique-cnrs

Cyril Aymonier

Pierre Micoud

Christophe Le Roux

François Martin

Marjorie Christine Cavarroc

Baptiste Simon Giroire

Mathilde Poirier

Suzanne Fery-Forgues

Bertrand Guillaume

Angélique Nadine Jeanne Poulon

Guillaume Aubert

Marie Claverie

Stefan Mecking

Francois Martin

Max Chabert

Adrien Delcamp

Philippe Poulin

Sylvie Loison

Angela Dumas

François Cansell

Annie Colin

Marie Lefebvre

Pierre Guillot

Jean-François Letard

Bo Brummerstedt Iversen

Nathalie Daro

Jean-Marie Le Breton

Chrystel Huguet

Anne Loppinet Serani

Nicolas Maat

Antoine Debeauvais

Nicolas Biscay

Emmanuel Mignard

Samuel Marre

Suchithra Padmajan Sasikala

Sandy Moisan

Cédric Slostowski

Victor Martinez

Gilles Philippot

Nils Lau Nyborg Broge

Cedric Slostowski

Lucile Henry

Sabine Saint-Martin

A device for depositing a thick metal nitride on a sample by supercritical fluids includes a first enclosure forming a first closed volume; a second enclosure placed in the first enclosure and delimited by internal walls transparent to electromagnetic radiation forming a second closed volume intended to comprise a fluid under supercritical conditions; a heat transfer dielectric fluid circulating in the first volume around the second enclosure; a sample holder present in the second volume; an induction heating device surrounding the second enclosure; inlets for introducing a fluid and at least one precursor material into the second enclosure; and an outlet to purge the second volume.

Device and method for depositing thick metal nitride coatings by the supercritical fluid route

A method for treating at least one silicon carbide fibre includes a surface layer including carbon and/or a silicon oxycarbide, the treatment including at least removing the surface layer from the fibre by placing in contact with an ammonia phase in the supercritical state.

Method for treating a silicon carbide fibre

A device for depositing a thick metal nitride on a sample by supercritical fluids includes a first enclosure forming a first closed volume; a second enclosure placed in the first enclosure and delimited by internal walls transparent to electromagnetic radiation forming a second closed volume intended to include fluid under supercritical conditions; a heat transfer dielectric fluid circulating in the first volume around the second enclosure; a sample holder present in the second volume; an induction heating device surrounding the second enclosure; inlets for introducing a fluid and at least one precursor material into the second enclosure, and an outlet to purge the second volume.

A method for preparing an organic/inorganic hybrid composition including mineral nanoparticles functionalized by at least one molecule chosen from colored charged organic molecules, this method including providing a solution (a) of at least one colored charged organic molecule, providing a suspension (b) of non-swelling phyllosilicate nanoparticles, contacting the solution (a) and the suspension (b), the non-swelling phyllosilicate nanoparticles having a thickness of 1 nm to 100 nm, and a larger dimension of 10 nm to 10 μm. A composition of organic/inorganic hybrid colored nanoparticles obtained by this method is also disclosed.

Colored organic/inorganic hybrid materials and method for preparing same

Disclosed is a method and a device for retrieving, from an object A, elements G present in a matrix M, the method including at least the following steps: bringing said abject A into contact with a dense fluid Fd with a molar mass greater than 2 g molunder temperature Tand pressure Pconditions suitable for transforming the intergranular phase and for releasing the elements G, modifying the temperature Tand/or pressure Pvalues to stop the reaction transforming the intergranular phase, and recovering the elements G separated front the matrix M.

Method and system for recovering magnetic grains from sintered magnets or plastic magnets

Disclosed is a method for preparing a hybrid organic/inorganic composition including inorganic nanoparticles functionalized by at least one molecule chosen from photoluminescent charged organic molecules, the method including bringing into contact, in a single-phase solvent medium, at least one photoluminescent charged organic molecule and non-swelling phyllosilicate nanoparticles having a thickness of 1 nm to 100 nm, and a larger dimension of 10 nm to 10 &#x3bc;m. Also disclosed are hybrid photoluminescent nanoparticles compositions obtained by this method.

Photoluminescent hybrid organic/inorganic materials and method for preparing same

A method of treating at least one silicon carbide fibre, the method including a) formation of a silica layer at the surface of a silicon carbide fibre having an oxygen content less than or equal to 1% in atomic percentage, the silica layer being formed by contacting this fibre with an oxidizing medium having a temperature greater than or equal to 50&#xb0; C. and pressure greater than or equal to 1 MPa, and b) removal of the silica layer formed by hydrothermal treatment of the fibre obtained after implementation of step a) in which the fibre is treated with water at a pressure between saturating vapour pressure and 30 MPa and at a temperature less than or equal to 400&#xb0; C.

Method for treating silicon carbide fibres

A method for manufacturing metal phosphate hydrate nanoparticles wherein metal reactants are selected from metal precursors of transition metals,phosphate precursors are selected from: Trisodium phosphate NaPO, disodium phosphate NaHPO, phosphoric acid HPOand hypophosphoric acid HPO, wherein said method comprises the following step of a reaction medium comprising at least a metal reactant, a phosphate precursor and a solvent, is submitted to a solvothermal treatment at a pressure superior to 50 MPa, and at a temperature of from 100 to 350&#xb0; C.

Method for manufacturing metal phosphate nanoparticles by sub-and supercritical solvothermal synthesis and nanoparticles obtained by this method

The invention relates to a method for preparing synthetic mineral particles with formula (AlM)(SiGe)O(OH), wherein M designates at least one trivalent metal selected from the group made up of gallium and the rare earths, which comprises the following steps: preparing a gel which is a precursor of said synthetic mineral particles by a co-precipitation reaction of at least one salt of metal selected among aluminium and M with at least one silicon source selected from the group made up of potassium metasilicate, sodium metasilicate, potassium metagermanate and sodium metagermanate, the molar ratio of (AlM) to (SiGe) during the preparation of said precursor gel being equal to 1, at least one base being added during said co-precipitation reaction; and performing a solvothermal treatment of said precursor gel at a temperature of 250&#xb0; C. to 600&#xb0; C.

Method for preparing synthetic mineral particles

The invention relates to a mineral compound, referred to as synthetic mica, with formula A(Si-Ge)MO(OH), wherein: A designates at least one monovalent interfoliar cation of a metal element, A having the formula LiNaKRbCs, each instance of w(i) representing a real number in the interval [0; 1], such that the sum of the instances of w(i) is equal to 1; t is a real number in the interval [0.3; 1]; x is a real number in the interval [0; 1]; M designates at least one divalent metal having the formula MgCoZnCuMnFeNiCr, each instance of y(i) representing a real number in the interval [0; 1], such as the formula (A); and z is a real number in the interval [2.50; 2.85]. The invention also relates to a composition comprising such a compound and a method for preparing such a compound. 

Synthetic mineral compound, composition including such a compound and method for manufacturing such a compound

A process including introducing, into a device, an aqueous fluid containing at least one inorganic salt, the water of the aqueous fluid being in supercritical conditions or close to the supercritical range in the device, and measuring the concentration or the amount of inorganic salt in the device, this measurement preferably being carried out before the entry of the inorganic salt into the device, Then bringing the inorganic salt into contact with an aqueous flow containing at least one hydroxide salt to obtain in the device an aqueous fluid mixture containing an inorganic salt and a hydroxide salt and adjusting the concentration or amount of the hydroxide salt as a function of the concentration or amount of the inorganic salt needed to at least partially solubilize the inorganic salt. Preferably the measurement of the concentration or the amount of inorganic salt leaving the device is also performed.

Device and process under conditions close to the supercritical range or under supercritical conditions

Some embodiments are directed to a method and device for reducing a component composed of at least one graphene oxide and a matrix consisting of at least one polymer, characterized in that the method includes at least the following steps: introducing a mixture of polymer(s) and graphene oxide GO into a reactor subject to a value of temperature T and a value of pressure P suitable for placing a fluid under supercritical or subcritical conditions for a given period, the temperature T being suitable for not degrading the polymer; and cooling the reactor and removing the obtained product R consisting of reduced polymer(s) and graphene oxide rGO.

Method and system for producing polymer/graphene oxide nanocomposites reduced by in situ reduction of graphene oxide

Method and device for delamination/dismantling of multi-layer systems SM comprising several layers including at least one organic layer, wherein the layers are separated by interfaces, characterized in that it comprises at least the following steps:

Method and device for dismantling multilayer systems including at least one organic component

A process for preparing phyllomineral synthetic particles formed from constituent chemical elements in stoichiometric proportions including at least one chemical element selected from the group formed from silicon and germanium, and at least one chemical element selected from the group formed from divalent metals and trivalent metals, by a continuous solvothermal treatment at a pressure above 1 MPa and at a temperature between 100&#xb0; C. and 600&#xb0; C., by making the reaction medium circulate continuously in a solvothermal treatment zone of a continuous reactor () with a residence time of the reaction medium in the solvothermal treatment zone that is suitable for continuously obtaining, at the outlet of the solvothermal treatment zone, a suspension including the phyllomineral synthetic particles.

Process for the continuous preparation of phyllomineral synthetic particles

The invention relates to a method for recovering organic fibers from a composite material comprising a polymer matrix and organic fibers, wherein the method comprises the following steps: providing a solution comprising a mixture of water and alcohol; placing the composite material inside a reactor; contacting the mixture and the composite material in order to perform a solvolysis reaction of the composite material; and recovering the organic fibers; wherein the pressure and the temperature in the reactor are adjusted such as to fall within the homogeneous sub-critical range of the phase diagram, within the super-critical range or near the critical point; and wherein the temperature is lower than the melting temperature of the organic fibers.

Method for recovering organic fibers from a composite material

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Begles, France

Cyril Aymonier