Patent application number | Description | Published |
20080249241 | Microgel-Containing Thermoplastic Elastomer Composition - The present invention relates to a composition comprising thermoplastic materials and crosslinked microgels which are not crosslinked by high-energy radiation, processes for its preparation, its use for the production of thermoplastically processable shaped articles and shaped articles produced from the composition. | 10-09-2008 |
20080293868 | NITRILE RUBBERS - An improved polymerization and work-up process makes it possible to produce specific nitrile rubbers which have a particular ion index and a particular magnesium content which is responsible for an excellent vulcanization rate and leads to vulcanizates having an advantageous property profile. | 11-27-2008 |
20080293869 | NITRILE RUBBERS - An improved polymerization and work-up process makes it possible to produce specific nitrile rubbers which have a particular ion index which is responsible for an excellent vulcanization rate and leads to vulcanizates having an advantageous property profile. | 11-27-2008 |
20080293889 | NITRILE RUBBERS - An improved polymerization and work-up process makes it possible to produce specific nitrile rubbers which have a specific calcium and chloride content and have a particularly high storage stability. | 11-27-2008 |
20080293902 | MERCAPTAN MIXTURE - A novel mixture containing a number of particular mercaptans, a process for preparing it and its use as advantageous molecular weight regulator in the production of synthetic rubbers are provided. | 11-27-2008 |
20090054597 | Metathesis of Nitrile Rubbers In the Presence of Transition Metal Complex Catalysts - A novel process for the metathetic degradation of nitrile rubbers is provided which uses specific transition metal complex catalysts showing an increased activity. | 02-26-2009 |
20090069516 | CATALYST SYSTEMS AND THEIR USE FOR METATHESIS REACTIONS - Novel catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, which contain a specific salt additive in addition to the metathesis catalyst are provided. | 03-12-2009 |
20090076226 | CATALYSTS FOR METATHESIS REACTIONS - Novel catalysts for metathesis reactions, in particular for the metathesis of nitrile rubber, are provided. | 03-19-2009 |
20090076227 | PROCESS FOR THE METATHETIC DEGRADATION OF NITRILE RUBBER - The metathetic degradation of nitrile rubber can be improved by use of a combination of metal-carbene complex catalysts with specific transition metal additives. | 03-19-2009 |
20090253892 | Sulfur-Crosslinked Hydrogenated Vinyl Polybutadienes, and Use Thereof for the Production of Technical Rubber Articles Having Good Recovery Behavior Across a Large Temperature Range - The present invention relates to sulphur-crosslinked hydrogenated vinylpolybutadienes which serve for production of technical rubber items and of tyre components and have very good recovery performance over a wide temperature range. | 10-08-2009 |
20100068593 | POLYMER ELECTROLYTE MEMBRANE WITH FUNCTIONALIZED NANOPARTICLES - The present invention relates to a polymer electrolyte membrane for fuel cells, comprising a polymer matrix of at least one basic polymer and one or more doping agents, wherein particles containing ionogenic groups and having a mean particle diameter in the nanometer range are embedded in the polymer matrix and the particles containing ionogenic groups are distributed homogeneously in the polymer matrix in a concentration of less than 50% relative to the weight of the polymer matrix, as well as to the production and use of same, especially in high-temperature fuel cells. | 03-18-2010 |
20100087600 | Catalyst Systems and their use for Metathesis Reactions - A novel process for reducing the molecular weight of nitrile rubber in the presence of specific catalyst systems containing the metathesis catalyst and also a specific addition of fluorine-containing boron compounds is provided. | 04-08-2010 |
20100093944 | CATALYST SYSTEMS AND THEIR USE FOR METATHESIS REACTIONS - Novel catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, which contain a specific addition of boric acid compounds. | 04-15-2010 |
20100112365 | LAYERED-STRUCTURE VULCANIZATES BASED ON HYDROGENATED VINYL POLYBUTADIENE - The present invention relates to layered-structure vulcanizates, where at least one of the layers is composed of a hydrogenated vinylpolybutadiene and the other layers are preferably composed of rubbers double bonds. | 05-06-2010 |
20100120973 | STORAGE-STABLE, HYDROXY-MODIFIED MICROGEL LATICES - A composition is described, encompassing a constituent selected from the group consisting of a modified resin acid (I), a fatty acid (II) and a mixture composed of a modified resin acid (I) and of a fatty acid (II), where the degree of neutralisation of the constituent is from 104 to 165%. Its use for the production of microgels is also described. | 05-13-2010 |
20100152370 | RUBBER MIXTURES WITH FUNCTIONALIZED DIENE RUBBERS AND WITH MICROGELS, A PRODUCTION PROCESS, AND USE OF THE MIXTURESu - The present invention relates to rubber mixtures with functionalized diene rubbers and with microgels, to a production process, and to the use of the mixtures for the production of low-abrasion motor-vehicle tyres which have wet-slip resistance and which have low rolling resistance. | 06-17-2010 |
20100197829 | METHODS FOR PRODUCING RUBBER MIXTURES - The invention relates to processes for the production of microgel-containing rubber mixtures, to rubber mixtures obtainable by the processes, to processes for the production of vulcanizates, and also to vulcanizates after the vulcanization process, in particular in the form of tires, parts of tires, or industrial rubber items. | 08-05-2010 |
20110059279 | Nitrile rubbers which optionally contain alkylthio terminal groups and which are optionally hydrogenated - An improved polymerization and processing method allows the production of special nitrile rubbers which are characterized by a specific cation content which leads to an excellent storage stability and particularly good vulcanization rate and moreover results in vulcanized materials that have advantageous properties, especially with regard to the contact with water or water-containing media of molded parts based on said vulcanized materials. | 03-10-2011 |
20110077360 | PROCESS FOR REACTING CHEMICAL COMPOUNDS IN THE PRESENCE OF CATALYST SYSTEMS - New catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, are provided. | 03-31-2011 |
20110091788 | GAS DIFFUSION ELECTRODES COMPRISING FUNCTIONALISED NANOPARTICLES - The invention relates to a gas diffusion electrode for polymer electrolyte fuel cells having a working temperature of up to 250° C., comprising a plurality of gas-permeable electroconductive layers having at least one gas diffusion layer and one catalyst layer. The catalyst layer contains particles of an average particle diameter in the nanometer range, said particles containing ionogenic groups. The invention also relates to the production of said gas diffusion electrode and to the use of same in high-temperature polymer electrolyte membrane fuel cells. | 04-21-2011 |
20110123747 | Nitrile rubbers which optionally contain alkylthio terminal groups and which are optionally hydrogenated - An improved polymerization and process method allows the production of special nitrile rubbers which are characterized by a specific anion content and an excellent storage stability and allow a particularly good vulcanization rate and moreover result in vulcanized materials that have advantageous properties, especially with regard to the contact with metal components of molded parts based on said vulcanized materials. | 05-26-2011 |
20110123748 | Nitrile rubbers which optionally contain alkylthio terminal groups and which are optionally hydrogenated - An improved polymerization and processing method allows the production of special nitrile rubbers which are characterized by a specific cation content which leads to an excellent storage stability and particularly good vulcanization rate and moreover results in vulcanized materials that have advantageous properties. | 05-26-2011 |
20110224357 | CARBON NANOTUBES AND ORGANIC MEDIA CONTAINING MICROGELS - The invention relates to a composition containing at least one microgel, at least one carbon nanotube and at least one organic medium. Said organic medium can be cross-linked or non cross-linked. | 09-15-2011 |
20110229672 | Hydrolysis-resistant polyamide-elastomer mixtures, molded articles produced therefrom and their use - The invention relates to polyamide-elastomer mixtures with an improved hydrolysis resistance. In this case, the elastomer is present in particular in the form of a microgel. The polyamide-elastomer mixtures according to the invention can be processed into molded articles that are used, for example, in the automobile industry, in particular as media-conducting conduits. | 09-22-2011 |
20120041129 | RUBBER MIXTURES CONTAINING SILANE AND HAVING POSSIBLY FUNCTIONALIZED DIENE RUBBERS AND MICROGELS, A METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF - The invention relates to rubber mixtures containing silane and having possibly functionalized diene rubbers and microgels, to a method for the production thereof, and to the use thereof to produce wet slipping resistant and low-rolling resistance motor vehicle tire treads having high abrasion resistance. | 02-16-2012 |
20120101216 | METHOD FOR PRODUCING POLYMERIC SOLIDS - The invention relates to a method for producing polymeric solids free of auxiliary emulators starting from polymer latices (dispersion), wherein a polymer dispersion with a starting ph-value greater than 9 is set to a ph-value of 6 to 9 by adding gaseous carbon dioxide and the polymer dispersion is subsequently coagulated by shearing and/or freezing. | 04-26-2012 |
20120108724 | STORAGE-STABLE, HYDROXY-MODIFIED MICROGEL LATICES - A composition is described, encompassing a constituent selected from the group consisting of a modified resin acid (I), a fatty acid (II) and a mixture composed of a modified resin acid (I) and of a fatty acid (II), where the degree of neutralisation of the constituent is from 104 to 165%. Its use for the production of microgels is also described. | 05-03-2012 |
20120116026 | PROCESS FOR DEGRADING NITRILE RUBBERS IN THE PRESENCE OF CATALYSTS HAVING AN INCREASED ACTIVITY - A process of degrading nitrile rubbers comprises subjecting them to a metathesis reaction in the presence of specific catalysts with increased activity. | 05-10-2012 |
20120295047 | Microgel-containing vulcanizable composition based on hydrogenated nitrile rubber - A novel vulcanizable composition is provided, based on at least one hydrogenated nitrile rubber, on at least one peroxide, on at least one unsaturated carboxylic acid and/or salts thereof, and also on specific microgels. These vulcanizable compositions can be used to obtain vulcanized products which can in particular be used for drive belts, roll coverings, hoses and cables. | 11-22-2012 |
20130040864 | Microgels combined with functional additives - The invention relates to a composition comprising at least one microgel and at least one functional additive, to processes for the preparation thereof, to uses of the compositions, and to microgel-containing polymers, rubbers, lubricants, coatings, etc. prepared therefrom. | 02-14-2013 |
20130122399 | POLYMER ELECTROLYTE MEMBRANE WITH FUNCTIONALIZED NANOPARTICLES - The present invention relates to a polymer electrolyte membrane for fuel cells, comprising a polymer matrix of at least one basic polymer and one or more doping agents, wherein particles containing ionogenic groups and having a mean particle diameter in the nanometer range are embedded in the polymer matrix and the particles containing ionogenic groups are distributed homogeneously in the polymer matrix in a concentration of less than 50% relative to the weight of the polymer matrix, as well as to the production and use of same, especially in high-temperature fuel cells. | 05-16-2013 |
20130211031 | PROCESS FOR THE PRODUCTION OF WATER AND SOLVENT-FREE NITRILE RUBBERS - The present invention relates to specific water and solvent-free nitrile rubbers having specific functional groups and/or end groups, a process for the production thereof and the use thereof. This process involves removing volatile compounds from a fluid (F) containing (1) at least one nitrile rubber and (2) at least one volatile compound, wherein the process comprises at least the steps of a.) treating the fluid (F) in at least one conversation unit, b.) retreating the concentrated fluid from step a.) in at least one retreating unit and c.) feeding the retreated concentrated fluid from step b.) into at least one retreating unit. | 08-15-2013 |
20130261269 | CATALYST SYSTEMS AND THEIR USE FOR METATHESIS REACTIONS - Novel catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, which contain a specific addition of boric acid compounds. | 10-03-2013 |
20130280456 | RUBBER MIXTURES BASED ON UNCROSSLINKED RUBBERS AND CROSSLINKED RUBBER PARTICLES AS WELL AS MULTIFUNCTIONAL ISOCYANATES - The rubber mixtures according to the invention, containing uncrosslinked, double-bond-containing rubbers (A), crosslinked rubber particles (B) and multifunctional isocyanates (C), wherein the amount of component (B) in the mixture is from 1 to 150 parts by weight and the amount of multifunctional isocyanates (component C) is from 1 to 100 parts by weight, in each case based on 100 parts by weight (phr) of the rubber component (A), may be used in the production of rubber vulcanates and molded rubber bodies of any kind, the vulcanates produced therefrom having an advantageous combination of mechanical properties, such as tensile stress at 300% elongation, ultimate elongation, tear resistance and abrasion resistance. | 10-24-2013 |
20130303700 | BLENDS OF PARTIALLY HYDROGENATED NITRILE RUBBER AND SILICONE RUBBER, VULCANIZABLE MIXTURES AND VULCANIZATES BASED THEREON - Novel rubber blends based on partly hydrogenated nitrile rubber and silicone rubber containing vinyl groups are provided, these being produced by a metathesis reaction in the presence of suitable catalysts, as are vulcanizable mixtures and vulcanizates based thereon, and the corresponding production processes. | 11-14-2013 |
20130324672 | PROCESS FOR REACTING CHEMICAL COMPOUNDS IN THE PRESENCE OF CATALYST SYSTEMS - New catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, are provided. | 12-05-2013 |
20130345366 | PARTIALLY HYDROGENATED NITRILE RUBBERS - Provided are new partially hydrogenated nitrile rubbers which are distinguished by a specific ratio of viscosity to molecular weight, and also vulcanizable mixtures and vulcanizates based on said rubbers, and also the associated preparation processes. The partially hydrogenated nitrile rubbers lead to compounded formulations having advantageous processing properties in conjunction with excellent vulcanizate properties. | 12-26-2013 |
20140011915 | NITRILE RUBBERS WHICH OPTIONALLY CONTAIN ALKYLTHIO TERMINAL GROUPS AND WHICH ARE OPTIONALLY HYDROGENATED - An improved polymerization and process method allows the production of special nitrile rubbers which are characterized by a specific anion content and an excellent storage stability and allow a particularly good vulcanization rate and moreover result in vulcanized materials that have advantageous properties, especially with regard to the contact with metal components of molded parts based on said vulcanized materials. | 01-09-2014 |
20140024784 | PROCESS FOR THE PRODUCTION OF WATER AND SOLVENT-FREE HYDROGENATED NITRILE RUBBERS - The present invention relates to a process for the production of water and solvent-free hydrogenated nitrile rubber polymers, to the hydrogenated nitrile rubbers and the use thereof. | 01-23-2014 |
20140066575 | PROCESS FOR DEGRADING NITRILE RUBBERS IN THE PRESENCE OF CATALYSTS HAVING AN INCREASED ACTIVITY - A process of degrading nitrile rubbers comprises subjecting them to a metathesis reaction in the presence of specific catalysts with increased activity. | 03-06-2014 |
20140197255 | METHOD FOR DISINTEGRATING AN ELASTOMER AND DISINTEGRATOR - The invention relates to a method for disintegrating an elastomer ( | 07-17-2014 |
20140205782 | MICROGEL-CONTAINING VULCANIZABLE COMPOSITION BASED ON HYDROGENATED NITRILE RUBBER - A novel vulcanizable composition is provided, based on at least one hydrogenated nitrile rubber, on at least one peroxide, on at least one unsaturated carboxylic acid and/or salts thereof, and also on specific microgels. These vulcanizable compositions can be used to obtain vulcanized products which can in particular be used for drive belts, roll coverings, hoses and cables. | 07-24-2014 |
20150025199 | CATALYST COMPOSITIONS AND THEIR USE FOR HYDROGENATION OF NITRILE RUBBER - This invention relates to novel catalyst compositions based on Ruthenium- or Osmium-based complex catalysts of the Grubbs-Hoveyda, Grela or Zhan type and specific co-catalysts comprising at least one vinyl group, pref. ethyl vinyl ether, and to a process for selectively hydrogenating nitrile rubbers in the presence of such catalyst compositions, preferably with a preceding metathesis step using the same complex catalyst as in the hydrogenation step. | 01-22-2015 |
20150031790 | MICROGEL-CONTAINING TREAD MIXTURE FOR WINTER TYRES - The present invention relates to vulcanizable rubber mixtures comprising at least the following components:
| 01-29-2015 |