Patent application number | Description | Published |
20130176660 | Carbonaceous Composition for Supercapacitor Cell Electrode, Electrode, Process for the Manufacture Thereof and Cell Incorporating Same - A carbonaceous composition usable to constitute a supercapacitor cell electrode, a porous electrode usable to equip such a cell, a process for manufacturing this electrode and one such cell incorporating at least one such electrode, for example in order to equip an electric vehicle. This composition is usable to be in contact with an aqueous ionic electrolyte, is based on a carbonaceous powder and comprises a hydrophilic binder-forming system. The system may include between 3% and 10% by weight a first crosslinked polymer having a number-average molecular weight Mn of greater than 1000 g/mol and having alcohol groups, and between 0.3% and 3% by weight a second polymer of at least one acid and which has a pKa of between 0 and 6 and a number-average molecular weight Mn of greater than 500 g/mol, the first polymer being crosslinked thermally in the presence of the second polymer. | 07-11-2013 |
20130183577 | Cathode for a Cell of a Lithium-Ion Battery, Its Manufacturing Process and the Battery Incorporating It - The invention relates to a cathode that is usable in a cell of a lithium-ion battery comprising an electrolyte based on a lithium salt and on a non-aqueous solvent, to a process for manufacturing this cathode and to a lithium-ion battery having one or more cells incorporating this cathode. This cathode is based on a polymer composition, obtained by melt processing and without solvent evaporation, that is the product of a hot compounding reaction between an active material and additives including a polymer binder and an electrically conductive filler. According to the invention, the binder is based on at least one crosslinked elastomer and the additives furthermore comprise at least one non-volatile organic compound usable in the electrolyte solvent, the composition advantageously includes the active material in a mass fraction greater than or equal to 90%. | 07-18-2013 |
20130244098 | Anode for a Cell of a Lithium-Ion Battery, Its Manufacturing Process and the Battery Incorporating It - An anode usable in a cell of a lithium-ion battery comprising an electrolyte based on a lithium salt and a non-aqueous solvent, to a process for manufacturing this anode and to a lithium-ion battery having one or more cells incorporating this anode. This anode is based on a polymer composition, obtained by melt processing and without solvent evaporation, that is the product of a hot compounding reaction between an active material and additives having a polymer binder and an electrically conductive filler. The binder is based on at least one crosslinked elastomer and the additives furthermore include at least one non-volatile organic compound usable in the electrolyte solvent, the composition advantageously includes the active material in a mass fraction greater than or equal to 85%. | 09-19-2013 |
20130309423 | Composition for Conductive Transparent Film - The present invention relates to a novel polymer composition having conductive properties comprising: (a) at least one dispersion or suspension of elastomer having a T | 11-21-2013 |
Patent application number | Description | Published |
20080207371 | Power Transmission Belt - The invention relates to a ribbed power transmission belt exhibiting a toothing made of elastomer based on ethylene/α-olefin elastomer, characterized in that at least the sides of the toothing are coated with a film made of at least partially crosslinked thermoplastic comprising at least 30% of at least one low-density polyethylene having a molecular weight of between 50 000 and 200 000 g/mol. | 08-28-2008 |
20100021513 | ABSORBANT SUBSTANCE AND METHOD OF PREPARATION THEREOF - The invention relates to a cellular substance, the method of preparation and uses thereof, in particular as an absorbent substance, and in particular for the manufacture of sponges and other products for household use. The cellular substance of the invention comprises a mixture of fibers of a hydrophilic polymer, and at least one elastomer, and has a cellular structure formed by cells whose size is between 0.2 μm and 10 mm, at least 1% of the cells, by volume as compared to the total cell volume, having a size of between 0.2 μm and 10 μm. The invention has application, particularly, in the area of absorbent products. | 01-28-2010 |
20100285301 | Breathable Membranes and Method for Making Same - The invention relates to a method for modifying the surface of a membrane by plasma treatment, wherein said method imparts water-repellent and imperviousness properties to said membrane while preserving the steam perviousness and the elastic properties thereof. The method comprises, inter alia, a step of treating the membrane with a plasma of a precursor compound selected from a hydrocarbon gas, a fluorocarbon gas, mixtures thereof, a fluorocarbon liquid, a fluorocarbon solid, wherein the precursor compound is selected in such a way that the F/C ratio is lower than 2, followed by a step of treating the same surface of the substrate from the previous step with a plasma of a fluorocarbon gas selected in such a way that the F/C ratio is at least 2. The invention also relates to the resulting membranes. | 11-11-2010 |
20110140051 | Carbon-Based Materials Derived from Latex - Organic gels of resorcinol-formaldehyde type, carbon-based materials of adjusted porosity derived therefrom by pyrolysis. Such materials may be used, in particular, for the production of electrodes. | 06-16-2011 |
20110281984 | Thermoplastic Elastomer Vulcanizate and Process for Preparing Same - The present invention relates to a thermoplastic elastomer vulcanizate having two respectively thermoplastic and liquid silicone elastomer phases, and the preparation process thereof. The invention also provides a elastomer having
| 11-17-2011 |
20120035324 | Process for Preparing a Reinforced and Reactive Thermoplastic Composition, and This Composition - The invention relates to a process for preparing a reinforced and reactive thermoplastic composition having a continuous phase which is based on at least one thermoplastic polymer and dispersed in which is a discontinuous phase based on at least one reactive reinforcing agent that may be immiscible with said at least one thermoplastic polymer, and also to a composition obtained by this process. | 02-09-2012 |
20120156567 | Novel sulphur-modified monolithic porous carbon-based material process for the preparation thereof and uses thereof in the storage and release of energy - A subject-matter of the invention is a novel process for the preparation of sulphur-modified monolithic porous carbon-based materials by impregnation with a strong sulphur-based acid, the materials capable of being obtained according to this process and the use of these materials with improved supercapacitance properties to produce electrodes intended for energy storage systems. | 06-21-2012 |
20140153158 | Current-Conducting Electrode And Corresponding Manufacturing Process - The present invention relates in particular to a conductive electrode for an electrical energy storage system ( | 06-05-2014 |
20140287307 | Novel Sulphur-Modified Monolithic Porous Carbon-Based Material, Process For The Preparation Thereof And Uses Thereof In The Storage And Release Of Energy - A subject-matter of the invention is a novel process for the preparation of sulphur-modified monolithic porous carbon-based materials by impregnation with a strong sulphur-based acid, the materials capable of being obtained according to this process and the use of these materials with improved supercapacitance properties to produce electrodes intended for energy storage systems. Electrodes composed of sulphur-modified monolithic porous carbon-based materials according to the invention and lithium batteries and supercapacitors having such electrodes also form part of the invention. | 09-25-2014 |
20150025197 | Process For Preparing A Reinforced And Reactive Thermoplastic Composition, And this Composition - A process for preparing a reinforced and reactive thermoplastic composition having a continuous phase based on a thermoplastic polymer and dispersed therein is a discontinuous phase based on a reactive reinforcing agent that may be immiscible with the thermoplastic polymer is provided. A composition obtained by this process is also provided. The reinforcing agent is selected from the group consisting of epoxy resins, polyorganosiloxanes having SiH functional group(s), diisocyanates or polyisocyanates and mixtures thereof, comprises a grafting, a branching and/or a crosslinking, that are carried out in situ, by reactive compounding of these phases with a shear rate greater than 10 | 01-22-2015 |