Patent application number | Description | Published |
20110263742 | PROCESS FOR PREPARING POLYETHER ALCOHOLS - The invention relates to a process for preparing polyether alcohols by reacting a) aromatic amines with b) alkylene oxides in the presence of c) a catalyst, wherein the alkylene oxide b) comprises at least 90% by weight, based on the weight of the component b), of propylene oxide and an amine is used as catalyst c). | 10-27-2011 |
20120022179 | PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS - The invention relates to a process for producing rigid polyurethane foams by reacting
| 01-26-2012 |
20120111228 | POROUS GELS BASED ON AROMATIC POLYUREA - The invention relates to a porous gel comprising the following components, in reacted form:
| 05-10-2012 |
20120115969 | PROCESS FOR PRODUCING AEROGELS OR XEROGELS - The present invention relates to a process for producing porous materials in the form of aerogels or xerogels, which comprises reaction of at least one polyfunctional isocyanate with an amine component comprising at least one polyfunctional substituted aromatic amine and also water in the presence of a solvent and a catalyst, with the reaction being carried out in the absence of water. | 05-10-2012 |
20120142800 | POROUS GELS BASED ON AROMATIC AND CYCLOALIPHATIC AMINES - The invention relates to a porous gel comprising the following components, in reacted form:
| 06-07-2012 |
20120193286 | METHOD FOR PRODUCING A NANOPOROUS POLYURETHANE-BASED COATING - The present invention relates to a process for producing a nanoporous foam, said process comprising providing a monomeric component (A) comprising a polyfunctional isocyanate (A1) and a solvent (C), and contacting said monomeric component (A) with water vapor. The present invention further comprises a nanoporous foam obtainable by such a process and also a nanofoam composite obtainable by applying said monomeric component (A) to a carrier (B) before the step of contacting with water vapor. The nanofoam composite is useful as insulant for thermal or acoustical insulation, as filtering material or as catalyst carrier. | 08-02-2012 |
20120220679 | PROCESS FOR PRODUCING PULVERULENT POROUS MATERIALS - The present invention relates to a process for producing pulverulent organic porous materials, comprising (i) the provision of an organic xerogel or organic aerogel and then (ii) the comminution of the material provided in step (i). | 08-30-2012 |
20120232180 | PROCESS FOR THE PRODUCTION OF POLYURETHANE RIGID FOAMS - The present invention relates to a process for the production of polyurethane rigid foams by reaction of polyisocyanates with compounds with at least two hydrogen atoms reactive with isocyanate groups in the presence of propellants. | 09-13-2012 |
20120235070 | PROCESS FOR PRODUCING FLAME-RETARDANT POROUS MATERIALS BASED ON POLYUREA - The present invention relates to a process for producing flame-retardant porous materials comprising the following steps:
| 09-20-2012 |
20120248125 | DYNAMICALLY EVACUABLE DEVICES COMPRISING ORGANIC AEROGELS OR XEROGELS - The present invention relates to a dynamically evacuable, electrically operated device comprising a coherently evacuable region and a temperature-controllable useful region, which is thermally insulated from the ambient temperature by the coherently evacuable region, and also a means for actively maintaining a vacuum, such that the pressure in the coherently evacuable region of the device is constantly within a defined pressure range, said coherently evacuable region making up at least 20% by volume of the total volume which is occupied by a porous and/or cellular insulating material in the device, and said coherently evacuable region comprising at least one organic aerogel and/or organic xerogel. | 10-04-2012 |
20120259030 | PRODUCING PU RIGID FOAMS - The present invention relates to a process for producing polyurethane (PU) rigid foams by reaction of polyisocyanates with compounds having two or more isocyanate-reactive hydrogen atoms in the presence of blowing agents. | 10-11-2012 |
20120305827 | POROUS MATERIALS BASED ON AROMATIC AMINES - The invention relates to a porous material comprising at least one polyfunctional isocyanate (a1) and at least one polyfunctional substituted aromatic amine (a2-s) of the general formula I | 12-06-2012 |
20130217797 | MICROEMULSIONS - The invention provides microemulsions comprising
| 08-22-2013 |
20130231413 | POLYETHERESTER POLYOLS AND THE USE THEREOF FOR PRODUCING RIGID POLYURETHANE FOAMS - The invention relates to a polyetherester polyol comprising the reaction product of
| 09-05-2013 |
20140088215 | PROCESS FOR PRODUCING POROUS MATERIALS BASED ON ISOCYANATE - The present invention relates to a process for producing porous materials, which comprises reaction of at least one polyfunctional isocyanate with at least one polyfunctional aromatic amine in the presence of at least one catalyst and a solvent. The invention further relates to the porous materials which can be obtained in this way and the use of the porous materials as insulation material, in particular for applications in the building sector and in vacuum insulation panels. | 03-27-2014 |
20140127495 | PROCESS FOR PRODUCING PROFILED ELEMENTS - The present invention relates to composite elements comprising a profile and an insulating core enclosed at least to some extent by the profile, where the insulating core is composed of an organic porous material which has a thermal conductivity in the range from 13 to 30 mW/m*K, determined in accordance with DIN 12667, and a compressive strength of more than 0.20 N/mm | 05-08-2014 |
20140171526 | POROUS BRANCHED/HIGHLY BRANCHED POLYIMIDES - The present invention relates to a process for the preparation of porous particles comprising at least one polyimide by reacting (A) at least one polyisocyanate having on average at least two isocyanate groups per molecule and (B) at least one polycarboxylic acid having at least two COOH groups per molecule or anhydride thereof, in the presence of at least one solvent, optionally at least one catalyst and optionally at least one further additive, to cause precipitation of a polyimide in the solvent to form the porous particles, to porous particles, obtained with this process, to parts, bodies, foams and/or material comprising these porous particles, and to the use of the porous particles or of the parts, bodies, foams and/or material as insulation material and in vacuum insulation. | 06-19-2014 |
20140206783 | PROCESS FOR PRODUCING FLAME-RETARDANT POROUS MATERIALS BASED ON POLYUREA - The present invention relates to a process for producing flame-retardant porous materials comprising the following steps:
| 07-24-2014 |