Patent application number | Description | Published |
20080207817 | Polymer Materials Containing Dispersed Carbon Nanotubes - The invention relates to a polymer material comprising 99 to 20 parts by weight of polymer(s), 0.1 to 80 parts by weight of carbon nanotubes, and 0.05 to 80 parts by weight of at least one type of dispersant selected from A-B-C, B-C and/or C-B-C block copolymers, wherein each block is bonded to the other by means of a covalent bond, C is a chemical and/or physical interaction with the polymer material and in preferably is miscible therwith, B is not miscible with the polymer material and with the block B and the glass transition temperature thereof. T | 08-28-2008 |
20080275375 | ADHESIVE COMPOSITION FOR A HUMID MEDIUM, BASED ON BLOCK COPOLYMERS COMPRISING AT LEAST ONE HYDROPHILIC BLOCK - The invention relates to a block copolymer which is produced by a controlled radical polymerization, has an individual composition and structure and is used for adhesion in a humid medium The inventive copolymer comprises a continuous flexible and water repellent matrix (of elastomer nature) and a dispersed phase in the form of hydrophilic nanodomains. Said copolymer exhibits an excellent adhesion as a result of the structure thereof also in a very humid medium. | 11-06-2008 |
20090121196 | USE OF CARBON NANOTUBES FOR THE PRODUCTION OF A CONDUCTIVE ORGANIC COMPOSITION AND APPLICATIONS OF ONE SUCH COMPOSITION - The invention relates to the use of carbon nanotubes for the production of an electrically-conductive organic composition having an electrical resistivity that is constant as a function of temperature and to the applications of said compositions. The conductive organic composition has a temperature-insensitive electrical resistivity and a temperature-insensitive thermal conductivity. Constant resistivity as a function of temperature is represented in FIG. | 05-14-2009 |
20090176924 | PULVERULENT COMPOSITION BASED ON CARBON NANOTUBES, METHODS OF OBTAINING THEM AND ITS USES, ESPECIALLY IN POLYMERIC MATERIALS - The present invention relates to pulverulent compositions based on carbon nanotubes which exhibit an excellent dispersibility in polymer materials and can advantageously be used as reinforcing agents and/or modifiers of conducting and/or thermal properties; they can be easily incorporated in polymer matrices in the masterblend form. | 07-09-2009 |
20090200517 | CONDUCTIVE CARBON NANOTUBE-POLYMER COMPOSITE - The present invention relates to a conductive carbon nanotube-polymer composite, comprising carbon nanotubes, and a mixture of polymers in a form of coalesced polymer particles, wherein the mixture of polymer particles in their non coalesced form is defined by the presence of at least two population of polymer particles having a size distribution which is at least bimodal. | 08-13-2009 |
20100084616 | CONDUCTING COMPOSITE MATERIAL CONTAINING A THERMOPLASTIC POLYMER AND CARBON NANOTUBES - The invention relates to methods for controlling and improving the conductivity of thermoplastic polymer composites containing CNTs or even for making these materials conductive when they are initially insulating. | 04-08-2010 |
20110039089 | POLYMER-BASED CELLULAR STRUCTURE COMPRISING CARBON NANOTUBES, METHOD FOR ITS PRODUCTION AND USES THEREOF - The invention relates to a polymer-based cellular structure comprising carbon nanotubes. To a method for its production and uses thereof. | 02-17-2011 |
20110251331 | USE OF NANOTUBES, ESPECIALLY CARBON NANOTUBES, TO IMPROVE THE HIGH TEMPERATURE MECHANICAL PROPERTIES OF A POLYMERIC MATRIX - The present invention pertains to the use of nanotubes of at least one chemical element chosen from elements of groups IHa, IVa and Va of the periodic table to improve the high temperature mechanical properties of a polymeric matrix comprising at least one semi-crystalline thermoplastic polymer. | 10-13-2011 |
20120077403 | MULTILAYER CONDUCTIVE FIBER AND METHOD FOR PRODUCING THE SAME BY COEXTRUSION - The present invention relates to a multilayer conductive fiber having a core/shell structure, wherein the core contains nanotubes, in particular carbon nanotubes. The invention also relates to a method for producing said fiber by coextrusion and to the uses thereof The invention finally relates to a composite material including the aforementioned multilayer composite fibers bonded together by weaving or using a polymer matrix. | 03-29-2012 |
20130009110 | CONDUCTIVE COMPOSITE MATERIAL CONTAINING A THERMOPLASTIC POLYMER AND CARBON NANOTUBES - Methods for controlling and improving the conductivity of thermoplastic polymer composites containing CNTs or even for making these materials conductive when they are initially insulating. For example, methods including either injection moulding or extrusion at a temperature above the melting temperature of the polymer, or a subsequent heat treatment step of said composite obtained by injection moulding or extrusion. | 01-10-2013 |