Patent application number | Description | Published |
20090131674 | POLYMIDE OLIGOMERS AND THEIR USE - The present invention relates to polyamide oligomers with linear or branched chain structure with a number average molar mass of 800 to 5000 g/mol, with basic end groups which are at least partially NH | 05-21-2009 |
20100159175 | POLYAMIDE SHEET SILICATE COMPOSITIONS - The invention relates to polyamide sheet silicate compositions, containing an untreated clay mineral and a water-soluble polyamide, the concentration of the clay material being greater than 30% by weight. Furthermore the invention relates to nanocomposites which contain clay minerals distributed homogeneously in a water-insoluble thermoplastic matrix. These nanocomposites are produced by mixing the polyamide sheet silicate composition and a water-insoluble thermoplastic in the melt. | 06-24-2010 |
20100203275 | TRANSPARENT POLYAMIDE ELASTOMERS - A description is given, together with preferred applications, of a transparent polyamide elastomer of the general structure (I), where R | 08-12-2010 |
20110023986 | POLYAMIDE BLEND MOLDING COMPOUND - Polyamide blend molding compound, includes a polyamide blend content and at least one impact-resistant component, characterized in that the polyamide blend content includes the following polyamides: (A) 20 to 65% by weight of at least one semi-crystalline polyamide with an enthalpy of fusion >40 J/g and with an average of at least 8 C atoms per monomeric unit; (B) 8 to 25% by weight of at least one amorphous and/or microcrystalline polyamide, with the microcrystalline polyamide having an enthalpy of fusion in the range of 4 to 40 J/g, and (C) 1 to 20% by weight of at least one polyamide with an average of a maximum of 6 C atoms per monomeric unit. The impact-resistant component includes as follows: (D) 10 to 40% by weight of a polyamide elastomer which is composed of hard segments and soft segments, with the hard segments being based on lactams and/or amino-carboxylic acids, and (E) 0 to 35% by weight of a non-polyamide elastomer. | 02-03-2011 |
20110123749 | SEMIAROMATIC MOULDING COMPOSITIONS AND USES OF THESE - A polyamide moulding composition with the following constitution is described:
| 05-26-2011 |
20110217495 | POLYAMIDE MOULDING MATERIALS FOR THE PRODUCTION OF MOULDED ARTICLES HAVING REDUCED SURFACE CARBONIZATION - Moulded articles having reduced surface carbonization and longer retention of the mechanical properties and methods of producing same are presented. In an embodiment, the moulded article comprises polyamides with nanofillers, which can be produced by means of injection moulding or extrusion, in particular by extrusion blow moulding, coextrusion blow moulding or sequential blow moulding with and without 3D hose manipulation. For example, the polyamide moulding materials for the production of moulded articles have reduced surface carbonization in the moulded articles in subsequent long-term use at elevated temperatures. | 09-08-2011 |
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 |
20120000562 | BRAKE BOOSTER LINE - A partial vacuum brake booster line is produced from a polyamide blend molding compound having a polyamide blend component and an impact resistance component. The polyamide blend component of the polyamide blend molding compound comprises the following polyamides: (A) 25 to 65 wt.-% of at least one partially crystalline polyamide having a melt enthalpy of > | 01-05-2012 |
20120029133 | POLYAMIDE MOULDING COMPOUND FOR PRODUCING MOULDED ARTICLES WITH A SOFT-TOUCH SURFACE AND ALSO CORRESPONDING MOULDED ARTICLES - The invention relates to a polyamide moulding compound for producing moulded articles with a soft-touch surface, the polyamide moulding compound comprising a blend of an amine-terminated, amorphous polyamide and styrene-ethylene/butylene-styrene copolymer and also styrene-ethylene/butylene-styrene copolymer grafted with maleic anhydride. The invention relates furthermore to moulded articles which are produced with this moulding compound and the use thereof. | 02-02-2012 |
20120321829 | SEMIAROMATIC MOLDING COMPOUNDS AND USES THEREOF - Disclosed is a polyamide molding compound having heat aging resistance for use as automobile or electrical components and composed of: (A) 27-84.99 wt % of a polyamide mixture consisting of (A1) at least one semiaromatic, semicrystalline polyamide having a melting point of 255° C. to 330° C., (A2) at least one caprolactam-containing polyamide that is different from (A1) and that has a caprolactam content of at least 50 wt %, where the total caprolactam content is 22-30 wt %, with respect to the polyamide mixture, (B) 15-65 wt % of at least one filler and reinforcing agent, (C) 0.01-3.0 wt % of at least one thermal stabilizer, and (D) 0-5.0 wt % of at least one additive, where the components (A)-(D) add up to 100 wt %. | 12-20-2012 |
20130164477 | POLYAMIDE SHEET SILICATE COMPOSITIONS - The invention relates to polyamide sheet silicate compositions, containing an untreated clay mineral and a water-soluble polyamide, the concentration of the clay material being greater than 30% by weight. Furthermore the invention relates to nanocomposites which contain clay minerals distributed homogeneously in a water-insoluble thermoplastic matrix. These nanocomposites are produced by mixing the polyamide sheet silicate composition and a water-insoluble thermoplastic in the melt. | 06-27-2013 |
20140072745 | TRANSPARENT POLYAMIDE-IMIDES - What is described is a transparent polyamide-imide based on one or more different imido-dicarboxylic acids (AB) or derivatives thereof, and cycloaliphatic diamines (C) comprising 6 to 24 carbon atoms, wherein the imido-dicarboxylic acids (AB) or derivatives thereof are selected from the group of imido-dicarboxylic acids (AB) having the following structural formulas: | 03-13-2014 |
20140094548 | Polyamide moulding compounds and use thereof in the production of moulded articles - The present invention relates to polyamide moulding compounds, pigmented black, which include nigrosin and at least one nucleation agent, carbon black being ruled out. The present invention likewise relates to a method for producing moulded articles from the mentioned polyamide moulding compounds and also the corresponding moulded articles. The polyamide moulding compounds are used in the production of components with increased temperature requirements, e.g. in the automobile sector. | 04-03-2014 |
20140134371 | TRANSPARENT POLYAMIDE ELASTOMERS - A transparent polyamide elastomer of the general structure (I), where R | 05-15-2014 |
20140171573 | POLYAMIDE MOLDING MATERIAL AND MOLDINGS MANUFACTURED FROM SAME - The present invention relates to heat-aging resistant polyamide molding materials based on partially crystalline, partially aromatic polyamides as well as to moldings manufactured therefrom. | 06-19-2014 |
20140179842 | FLAME-RETARDANT POLYAMIDE MOLDING MATERIAL AND THE USE THEREOF - Flame-retardant polyamide molding material for sheathing optical waveguides/cables, includes:
| 06-26-2014 |
20140179849 | STAIN-RESISTANT ARTICLE AND USE THEREOF - What is described is the use of a polyamide moulding composition for the production of a stain-resistant article, the staining tendency (ST) of the article being at least 2. Here, the composition contains 30-100% by weight of a polyamide or a polyamide mixture, consisting of 50-100% by weight of at least one amorphous and/or microcrystalline polyamide having a glass transition temperature of at least 100° C., based on: 20-100 mol % of at least one cycloaliphatic diamine; and 0-80 mol % of at least one other aliphatic and/or aromatic diamine; and also aromatic and/or aliphatic dicarboxylic acids comprising at least 6 carbon atoms, and 0-50% by weight of at least one semi-aromatic polyamide. In addition, 0-70% by weight of fibrous fillers (B1) and/or particulate fillers (B2), 0-30% by weight of impact toughness modifier and/or polymers different from (A), 0-25% by weight of a flame retardant, and 0-3% by weight of additives may also be contained. | 06-26-2014 |
20140179851 | STAIN-RESISTANT ARTICLE AND USE THEREOF - A polyamide moulding composition for the production of a stain-resistant article, the staining tendency (ST) of the article being at most 15. The composition contains 30-100% by weight of a polyamide mixture, consisting of more than 50 and up to 98% by weight of at least one semi-aromatic polyamide comprising 2 to up to 50% by weight of amorphous and/or microcrystalline polyamides having a glass transition temperature of at least 100° C., based on: 20-100 mol % of at least one cycloaliphatic diamine; and 0-80 mol % of at least one other aliphatic and/or aromatic diamine; and also aromatic and/or aliphatic dicarboxylic acids comprising at least 6 carbon atoms. In addition, the composition comprises inorganic white pigments. fibrous or particulate additives, impact toughness modifier and/or polymers different from (A), 0-25% by weight of a flame retardant. | 06-26-2014 |
20140179866 | STAIN-RESISTANT ARTICLE AND USE THEREOF - What is described is the use of a polyamide moulding composition for the production of a stain-resistant article, the staining tendency (ST) of the article being at most 15. Here, the composition contains 30-100% by weight of a polyamide mixture, consisting of more than 50 and up to 98% by weight of at least one semi-aromatic polyamide comprising 2 to up to 50% by weight of amorphous and/or microcrystalline polyamides having a glass transition temperature of at least 100° C., based on: 20-100 mol % of at least one cycloaliphatic diamine; and 0-80 mol % of at least one other aliphatic and/or aromatic diamine; and also aromatic and/or aliphatic dicarboxylic acids comprising at least 6 carbon atoms. In addition, 0-70% by weight of fibrous additives (B1) and/or particulate additives (B2), 0-30% by weight of impact toughness modifier and/or polymers different from (A), 0-25% by weight of a flame retardant, and 0-3% by weight of additives may also be contained. | 06-26-2014 |
20150099846 | POLYAMIDE MOULDING MATERIALS CONTAINING CYCLOOLEFIN COPOLYMERS - A transparent polyamide moulding material containing at least one cycloolefin co-polymer comprises a mixture of:
| 04-09-2015 |
20150218374 | POLYAMIDE MOULDING COMPOUNDS WITH FLAME-RETARDANT PROPERTIES AND VERY GOOD LONG-TERM HEAT-AGEING RESISTANCE - The present invention relates to polyamide moulding compounds which are distinguished by excellent flame-retardant properties and by very good long-term heat-ageing resistance. The moulding compounds according to the invention comprise a partially aromatic polyamide, caprolactam, a heat stabiliser, possibly a flame retardant and optionally further additives and admixtures. The polyamide moulding compound is thereby free of metal salts and/or metal oxides of a transition metal of group VB, VIB, VIIB or VIIIB of the periodic table. | 08-06-2015 |
Patent application number | Description | Published |
20120186268 | CONTROL OF THE GAS COMPOSITION IN A GAS TURBINE POWER PLANT WITH EXHAUST GAS RECIRCULATION - A method is provided for operating a gas turbine power plant with exhaust gas recirculation, in which, based upon the operating state of the gas turbine a setpoint concentration of at least one constituent in an exhaust gas flow and/or in the intake flow of the gas turbine after adding the recirculated exhaust gases is determined. The actual concentration of the at least one constituent in the exhaust gas flow and/or in the intake flow is measured and a control element for controlling the recirculation flow is controlled based upon the setpoint/actual deviation. Also provided is a gas turbine power plant with exhaust gas recirculation and includes a controller, in which a setpoint concentration of at least one constituent in an exhaust gas flow or in the intake flow of the gas turbine is determined, and a measuring instrument for measuring the actual concentration of the at least one constituent. | 07-26-2012 |
20120227372 | POWER PLANT FOR CO2 CAPTURE - A power plant is provided including a steam power plant and/or a combined cycle power plant. A water steam cycle of the plant includes two steam turbine arrangements; the first turbine arrangement includes steam turbines with at least two pressure levels and a second turbine arrangement having at least one back pressure turbine configured to expand steam to the supply pressure of a CO2 capture system. A method for operating the plant includes operating the first steam turbine arrangement to produce power during all steady state operating points of the steam cycle and at least a part of the second steam turbine arrangement is bypassed to the system and/or is operated to produce power and to release low-pressure steam to the system when the system is in operation. Both steam turbine arrangements are operated using all available steam to produce power when the system is not in operation. | 09-13-2012 |
20120247109 | GAS TURBINE AND AIR INTAKE MANIFOLD - An intake manifold is provided for inducting combustion air for a compressor of a gas turbine. The intake manifold includes a plurality of walls that delimit against the environment. Devices are provided for controllable change of the mechanical rigidity of the walls to reduce noise which is generated or is emitted in an air intake region during operation of the gas turbine. A gas turbine is also provided and includes an air intake to which air to be compressed is fed via an intake manifold. The intake manifold having a plurality of walls that delimit against the environment. Devices are provided to controllably change a mechanical rigidity of the walls to reduce noise which is generated or emitted in an air intake region during operation of the gas turbine. | 10-04-2012 |
20130174535 | FLUSHING THE EXHAUST GAS RECIRCULATION LINES OF A GAS TURBINE - A method and gas turbine are provided for the reliable purging of an exhaust gas recirculation line of the gas turbine with exhaust gas recirculation without the use of additional blow-off fans. A blow-off flow of the compressor is used for the purging of the exhaust gas recirculation line. The gas turbine can include at least one purging line which connects a compressor blow-off point to the exhaust gas recirculation line. | 07-11-2013 |
20130249213 | GAS TURBINE START WITH FREQUENCY CONVERTOR - The invention relates to a method for the start of a power plant installation ( | 09-26-2013 |
20150107257 | FLUSHING THE EXHAUST GAS RECIRCULATION LINES OF A GAS TURBINE - A method and gas turbine are provided for the reliable purging of an exhaust gas recirculation line of the gas turbine with exhaust gas recirculation without the use of additional blow-off fans. A blow-off flow of the compressor is used for the purging of the exhaust gas recirculation line. The gas turbine can include at least one purging line which connects a compressor blow-off point to the exhaust gas recirculation line. | 04-23-2015 |
20150107259 | GAS TURBINE WITH SEQUENTIAL COMBUSTION ARRANGEMENT - The present disclosure refers to a method for operating a gas turbine with sequential combustors having a first-burner, a first combustion chamber, and a second combustor arranged sequentially in a fluid flow connection. To minimize emissions and combustion stability problems during transient changes when the fuel flow to a second combustor is initiated the method includes the steps of increasing the second fuel flow to a minimum flow, and reducing the first fuel flow to the first-burner of the same sequential combustor and/or the fuel flow to at least one other sequential combustor of the sequential combustor arrangement in order keep the total fuel mass flow to the gas turbine substantially constant. Besides the method a gas turbine with a fuel distribution system configured to carry out such a method is disclosed. | 04-23-2015 |
Patent application number | Description | Published |
20100013326 | POWER STATION HAVING A CONSUMER AND METHOD FOR ITS OPERATION - A power station ( | 01-21-2010 |
20100031667 | METHOD FOR OPERATING A POWER PLANT - A method is provided for operating a power station ( | 02-11-2010 |
20100032964 | METHOD FOR OPERATING A POWER PLANT - A method is provided for operating a power station ( | 02-11-2010 |
20110018265 | POWER STATION SYSTEM AND METHOD FOR OPERATING - A combined-cycle power plant ( | 01-27-2011 |
20110037276 | METHOD FOR CONTROLLING A GAS TURBINE IN A POWER STATION, AND A POWER STATION FOR CARRYING OUT THE METHOD - A method is provided for operating a gas turbine in a power station in which limits of the operating concept, which provide limits for optimization of the power station operation in respect of efficiency, service life consumption, emissions and power provision to the grid system, are adapted during operation. In particular, temperature limits and compressor inlet guide vane position limits are varied as a function of the optimization aims. A gas turbine power station is also provided for carrying out the method. | 02-17-2011 |
20110197593 | GAS TURBINE AND METHOD FOR ITS OPERATION - A gas turbine and method are disclosed by which the gas turbine can be safely operated at nominal speed with reduced margin to a surge limit of a compressor. The gas turbine, via a directly driven generator which generates alternating current with an operating frequency and which is connected in a frequency-coupled manner to an electricity grid, can deliver electric power to this grid. In the case of an underfrequency event the compressor of the gas turbine is unloaded by controlled, fast closing of the variable compressor guide vanes (VGV) and as a result maintains a sufficient margin to the surge limit of the compressor. | 08-18-2011 |
20110289898 | COMBINED CYCLE POWER PLANT WITH FLUE GAS RECIRCULATION - An exemplary system method for the operation of a CCP P with flue gas recirculation to reduce NOx emissions and/or to increase the CO2 concentration in the flue gases to facilitate CO2 capture from the flue gases is disclosed. The flue gas recirculation rate (rFRG) is controlled as function of the combustion pressure and/or the hot gas temperature. Operability is enhanced by admixing of oxygen or oxygen enriched air to the gas turbine inlet gases or to the combustion. | 12-01-2011 |
20110302922 | POWER PLANT WITH CO2 CAPTURE - A method is provided for operating a combined cycle power plant including a CO | 12-15-2011 |
20110304155 | POWER PLANT WITH CO2 CAPTURE AND COMPRESSION | 12-15-2011 |
20120031101 | GAS TURBINE WITH FLOW SEPARATION AND RECIRCULATION - A method is provided for CO | 02-09-2012 |
20120291445 | METHOD FOR OPERATING A GAS TURBINE POWER PLANT WITH EXHAUST GAS RECIRCULATION - An exemplary method is disclosed for operating a gas turbine power plant with exhaust gas recirculation, in which the exhaust gas recirculation is, for example, disengaged during starting and shutting down of the gas turbine, and in which the engaging or disengaging of the exhaust gas recirculation can be carried out in dependence upon an operating state of the gas turbine. An exemplary gas turbine power plant with exhaust gas recirculation is also disclosed which can include a control element, the closing speed of which is such that the control element can be closed within a time which is less than a time for exhaust gases to flow from the turbine through an HRSG. | 11-22-2012 |