Patent application number | Description | Published |
20090166581 | Additive Comprising Azomethine Compounds - The present invention relates to a mixture of an oligomeric, blocked aminosilane (azomethine structure) and a monomeric, blocked, primary amine (azomethine structure). This mixture is suitable in particular as a curing agent, crosslinker and adhesion promoter. | 07-02-2009 |
20090240004 | FUNCTIONALIZED POLYURETHANE RESIN, METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF - Disclosed is a functionalized polyurethane resin containing a binder component, a hardener component and, optionally, a formulation component. The binder component consists essentially of urethane dispersions with defined structural components which, in turn, consist of special reaction products. Such polyurethane resins are used for the production of fluorine-modified polyurethane coatings and generally in construction or industrial applications for the permanent oil-, water- and dirt-resistant coating of mineral and non-mineral surfaces on the basis of, for example, hydraulically setting components. | 09-24-2009 |
20100204418 | Method for Producing Silane-Modified Copolymers - The invention relates to a process for the preparation of a polymeric mixture, comprising a first polymerization step in which substantially monomer M is reacted by atom transfer radical polymerization in a mixture which contains a transition metal salt, a ligand having at least two chelating sites, an atom transfer radical polymerization initiator, a reducing agent and monomer M, and a second polymerization step in which monomer S substituted by silyl groups is added to the mixture obtained from the first polymerization step, so that monomer S substituted by silyl groups is reacted by atom transfer radical polymerization in the mixture obtained from the first polymerization step. The polymeric mixture obtained is used as a binder additive for sealants. | 08-12-2010 |
20100204430 | Continuous Production of Polyurethanes/Polyureas - The invention relates to a continuous process for the preparation of polyurethanes/polyureas, in which the components of a starting reaction composition are applied individually and/or as a mixture in a thin film to an inner region of a hot surface of a rotating body A so that the thin film flows over the hot surface of the rotating body A to an outer region of the hot surface of the rotating body A, the thin film leaves the hot surface as polyurethane/polyurea-containing reaction composition and, after leaving the hot surface, the reaction composition is abruptly cooled, a polyisocyanate component and a polyol/polyamine component being present as components of the starting reaction composition, the temperature of the hot surface being 70 to 400° C. and the abrupt cooling of the reaction composition being at least 30° C. | 08-12-2010 |
20100274028 | REMOVAL OF POLAR ORGANIC COMPOUNDS AND EXTRANEOUS METALS FROM ORGANOSILANES - The invention relates to a process for treating a composition comprising organosilanes and at least one polar organic compound and/or at least one extraneous metal and/or a compound containing extraneous metal, wherein the composition is contacted with at least one adsorbent and a composition in which the content of the organic polar compound and/or of the extraneous metal and/or of the compound containing extraneous metal is reduced is subsequently obtained, and also to a corresponding composition in which the content of polar organic compounds and/or extraneous metals has been reduced to traces, and to the use of organic resins, activated carbons, silicates and/or zeolites for reducing the amounts of the compounds mentioned. | 10-28-2010 |
20100275950 | METHOD AND DEVICE FOR THE TREATMENT OF SURFACES - The invention relates to a device and a method for the treatment of surfaces with a plasma produced under atmospheric pressure. The device according to the invention is formed as a portable handheld unit and comprises a plasma nozzle ( | 11-04-2010 |
20110009529 | Copolymer Having Polyether Side Chains And Dicarboxylic Acid Derivative Components - The invention relates to a copolymer which can be used as a superplasticizer for hydraulic binders and comprises 30 to 47 mol % of a (meth)allyl alcohol polyether derivative structural unit and 53 to 70 mol % of a maleic acid derivative structural unit. | 01-13-2011 |
20110034592 | Aqueous Solution Containing Copolymers with Polyether Side Chains - The invention relates to a process for the preparation of an aqueous solution comprising 30 to 95% by weight of water and 5 to 70% by weight of a copolymer dissolved in the water by free radical solution polymerizations of an isoprenol polyether derivative with an acrylic acid derivative, so that the copolymer has 20 to 45 mol % of an isoprenol polyether derivative structural unit and 55 to 80 mol % of an acrylic acid derivative structural unit. The aqueous solution is suitable as a superplasticizer for hydraulic binders. | 02-10-2011 |
20110054083 | Copolymer Comprising Polyether Side Chains and Hydroxyalkyl and Acid Structural Units - The invention relates to a copolymer which is suitable as a superplasticizer for hydraulic binders and comprises 5 to 55 mol % of an isoprenol polyether derivative structural unit, 2 to 90 mol % of an acrylic acid derivative structural unit and 2 to 90 mol % of a hydroxyalkyl acrylate structural unit. | 03-03-2011 |
20110126421 | Method For Removing Water From A Mixture - The invention relates to a method for removing water from a mixture containing at least one compound having at least one group reactive towards isocyanate and containing water, the mixture being applied to the surface of a rotating body A, the mixture flowing over the surface of the rotating body A to an outer region of the surface of the rotating body A and water evaporating from the mixture. In particular, this method is suitable for removing water from alcohols and amines. | 06-02-2011 |
20110132144 | Method For Producing Metal Nanoparticles In Polyols - The invention relates to a process for the preparation of metal nanoparticles, selected from the group consisting of lead, bismuth, zinc, antimony, indium, gold, nickel, cobalt, palladium, platinum, iridium, osmium, rhodium, ruthenium, rhenium, vanadium, chromium, manganese, niobium, molybdenum, tungsten, tantalum, cadmium, silver and/or copper, on a rotating body, characterized in that a reduction of corresponding metal salts, corresponding metal salt complexes, corresponding metal hydroxides and/or corresponding metal oxides by polyols having a number of hydroxyl groups in the polyol of 1 to 10 and a molecular weight of the polyols of 2000 to 18 000 Da is effected. | 06-09-2011 |
20110132551 | Method For Removing Non-Reacted Isocyanate From Its Reaction Product - The present invention relates to a method for removing isocyanate from a reaction product of isocyanate with compounds reactive towards isocyanates, the reaction product being applied to the surface of a rotating body A, the reaction product flowing over the surface of the rotating body A to an outer region of the surface of the rotating body A and isocyanate which was used for the preparation of the reaction product and has not reacted evaporating from the mixture in the process. | 06-09-2011 |
20110144288 | Production of Silylated Polyurethane and/or Polyurea - The invention relates to a process for the preparation of silylated polyurethanes and/or polyureas, comprising the steps: a) application of a component β) containing isocyanate and of a component α) containing polyol and/or polyamine to at least one surface of body A, which surface rotates about an axis of rotation and has a temperature between 60 and 400° C., and b) reaction of the reaction product of β) isocyanate and α) polyol and/or polyamine with a silylating agent. | 06-16-2011 |
20110232825 | CYCLOHEXANE POLYCARBOXYLIC ACID DERIVATIVES AS PLASTICIZERS FOR ADHESIVES AND SEALANTS - The invention provides an adhesive or sealant comprising at least (A) one compound selected from the group consisting of silylated polyurethanes, silylated polyureas, silylated polyethers, silylated polysulfides and silyl-terminated acrylates, and at least (B) one cyclohexane polycarboxylic acid derivative. The composition has enhanced extensibility with good adhesion properties and high tensile strength. A process is disclosed for preparing the adhesive or sealant, and also disclosed is the use thereof for producing material bonds between parts to be joined. | 09-29-2011 |
20110301275 | Copolymer Containing Acid Building Blocks and Various Types of Polyether Building Blocks - The invention relates to a copolymer comprising
| 12-08-2011 |
20110306696 | Continuous Production of Copolymers Suitable as Flow Agents - The invention relates to a process for the preparation of copolymers containing acid monomer structural units and polyether macromonomer structural units, which is carried out in a continuous mode of operation in a reactor which has
| 12-15-2011 |
20110309533 | Rotating surfaces for SDR - The proposed spinning disc reactor comprises substantially a horizontally rotatable, disc-like and thermostatable support element which has an outer reaction surface, feed means for feeding at least one reactant onto the reaction surface and internal structures for thermostating the reaction surface. In addition, it contains at least one separation apparatus for collecting and removing the reaction product from the reaction surface. The support element is characterized in particular in that it consists of two components a) and b) arranged horizontally one on top of the other and having substantially identical surface measures. These two components are connected to one another in an interlocking manner and tightly during the operating time and the lower component a) has, on its top facing the inner region of the support element, at least one substantially uninterrupted groove milled in over an extensive area and intended for receiving, conducting and discharging a heat-transfer fluid. In addition, it has at least two bores for feeding and discharging the heat-transfer fluid, at least one profiled seal encircling the outer surface region being arranged between the component a) and the component b). The two components a) and b) as a whole are reversibly connected to one another. As a result of such specific features, a simply designed reactor which is advantageous with respect to maintenance, is versatile and permits targeted control of the chemical reaction on its rotating surface is present. | 12-22-2011 |
20120004350 | Semi Continuously Operated Method for Producing Copolymers - The invention relates to a process for the preparation of a copolymer in semicontinuous operation in a polymerization apparatus, comprising a polymerization reactor connected to a metering device, in each case acid monomer being initially taken in the metering device and polyether macromonomer, acid monomer and water in the polymerization reactor, acid monomer being metered from the metering device into the polymerization reactor, free radical polymerization initiator being passed into the polymerization reactor before and/or during the metering of the acid monomer into the polymerization reactor so that an aqueous medium in which acid monomer and polyether macromonomer are reacted with formation of the copolymer by free radical polymerization forms in the polymerization reactor, the molar ratio of acid monomer used altogether to polyether macromonomer used altogether being 20:1 to 1:1, the molar ratio of acid monomer initially taken in the polymerization reactor to the acid monomer metered into the polymerization reactor being 10:1 to 1:10 and the metering of the acid monomer being effected with the proviso that at least 70 mol % of the acid monomer metered in altogether are metered in the course of 5 to 19 minutes at a metering rate that is constant or varies to a limited extent. | 01-05-2012 |
20120129685 | PROCESS FOR PREPARING MULTIMETAL CYANIDE COMPOUNDS - The invention relates to a process for preparing multimetal cyanide compounds by reacting the aqueous solution of a metal salt a) with the aqueous solution of a hexacyanometalate compound b), wherein the mixture of the solutions a) and b) flows over the surface of a rotating body A to an outer region of the surface of the rotating body A and is flung off from there. | 05-24-2012 |
20120138206 | ADHESIVES AND SEALANTS CONTAINING CYCLOHEXANE POLYCARBOXYLIC ACID DERIVATIVES - The invention relates to an adhesive or sealant comprising at least (A) 10% to 90% by weight of a compound selected from the group consisting of polyurethanes, polyureas, polyacrylates and polysulphides and at least (B) 1% to 50% by weight of a cyclohexanepolycarboxylic acid derivative, the adhesive or sealant containing no C | 06-07-2012 |
20120225983 | ADHESIVES AND SEALANTS COMPRISING ESTERS BASED ON 2-PROPYLHEPTANOL - The invention provides an adhesive or sealant comprising (A) at least one compound selected from the group consisting of polyurethanes, polyureas, polyacrylates, aqueous polyacrylates, silicones, polysulphides, silylated polyurethanes, silylated polyureas, silylated polyethers, silylated polysulphides and silyl-terminated acrylates, and (B) at least one ester of an aliphatic or aromatic dicarboxylic or tricarboxylic acid with a C | 09-06-2012 |
20130303804 | Process For Preparing A Thixotroping Agent And Use Thereof - The invention provides a process for preparing a thixotropic agent based on a urea derivative, in which the components α) comprising at least one amine and β) comprising at least one isocyanate, are supplied separately to a mixing means and are mixed with one another, the reaction mixture being discharged by spraying or squirting from the mixing means. Further disclosed is the use of the thixotropic agent in a fluid system. The process is especially suitable for preparing adhesives and sealants. | 11-14-2013 |
20140045969 | Curable Composition - The invention relates to a composition comprising (A) at least 5% by weight of en organic prepolymer P having at least two water-crossilnkable organosilicon end groups, (B) 0.01% to 3.0% by weight of boric acid and/or bone ester, and (C) 0.01% to 3.0% by weight of an amine component. Additionally disclosed is a method for the curing of these compositions and also the use of boric acid and/or boric esters and an amine component a condensation catalyst. | 02-13-2014 |
20140330035 | COMPOSITION COMPRISING BLOCK COCONDENSATES OF PROPYLFUNCTIONAL ALKALINE SILICONATES AND SILICATES, AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to a composition and a method for the production of the composition comprising block cocondensates of propylfunctional alkaline siliconates and silicates. | 11-06-2014 |
20150029681 | FLEXIBLE COMPOSITE, PRODUCTION THEREOF AND USE THEREOF - A flexible composite comprising a plastic foil, having an upper and a lower surface, and at least one dielectric barrier layer against gases and liquids which is applied directly to at least one of the surfaces by plasma-enhanced thermal vapor deposition and comprises an inorganic vapor-depositable material, is provided. The flexible composite can be used for constructing flexible circuits or displays and has a high barrier effect with regard to oxygen and/or water vapor. | 01-29-2015 |