CHEMETALL GMBH Patent applications |
Patent application number | Title | Published |
20150361382 | A METHOD FOR COATING METALLIC SURFACES FOR PREVENTING PINHOLES ON ZINC-CONTAINING METALLIC SURFACES - A method of using a silane additive in an aqueous cleaning composition, in an aqueous rinsing liquid and/or in an aqueous activation composition for preventing pinholes on zinc-containing metallic surfaces, wherein the silane content in at least one of these aqueous compositions is in a range of 0.001 to 5 g/l. | 12-17-2015 |
20150232634 | SURFACE TREATMENT AGENT AND SURFACE TREATMENT METHOD - A surface treatment agent and a surface treatment method capable of imparting excellent corrosion resistance while enhancing adhesion between a surface of a metal substrate and a resin-containing layer. The surface treatment agent for treating a surface of a metal substrate includes an acrylic resin having a carboxyl group and a hydroxyl group, an oxazoline group-containing compound and metal particles containing at least one of Nb, Ca and Nd. The metal may be in the form of a niobium oxide sol. | 08-20-2015 |
20150176136 | PAINT PRETREATMENT AGENT FOR COATING-TYPE PAINT, AND COATING-TYPE PAINTING METHOD - The pretreatment agent for use before forming a coat by paint application of the present invention contains (A) one or more metal elements selected from a group consisting of zirconium, titanium and hafnium, (B) fluorine, (C) one or more coupling agents selected from an amino group-containing silane coupling agent, its hydrolyzate, and its polymer, and (D) a component of at least one of an allylamine and a polyallylamine, in which the ratio by mass of the coupling agent (C) to the component (D), (C/D) is 1 or more. The coating method by paint application of the present invention includes a chemical conversion treatment step of chemically treating a metal substrate with the pretreatment agent, and a step of forming a coat by paint application on the chemically-treated metal substrate. When a coating film is formed through forming a coat by paint application on the surface of a metal substrate that has been pretreated according to the present invention, the coating film can have excellent adhesion, salt water resistance and impact resistance. | 06-25-2015 |
20150079277 | METHOD FOR COATING METALLIC SURFACES OF SUBSTRATES, AND OBJECTS COATED ACCORDING TO SAID METHOD - A method and composition for coating surfaces, a corresponding coating and the use of objects coated according to said method. A cleaned, metallic surface is contacted with an aqueous composition that is a dispersion or suspension, and drying and/or baking the organic coating or optionally, drying the organic coating and coating with an equivalent or additional coating composition prior to a drying and/or baking. The aqueous composition has a pH of 4 to 11 and contains an anionic polyelectrolyte in a quantity of 0.01 to 5.0 wt. % relative to the total mass of the composition, which may have a solids content of from 2 to 40 wt. %. The solids have an average particle size from 10 to 1000 nm. A coating forms on the basis of an ionogenic gel which binds cations released from the metallic surface that originate from a pretreatment stage or from the contacting. | 03-19-2015 |
20150065599 | MATRICES AND SEALANTS WHICH ARE BASED ON SULFUR-CONTAINING POLYMERS AND WHICH COMPRISE A PHOTOINITIATOR, CURING AND COATING METHODS, AND USE OF SAID MATRICES AND SEALANTS - A method for curing a mixture of a matrix and a curing agent based on sulfur-containing polymers on command and so rapidly that a tack-free surface results. A method for coating a substrate with the composition and of curing a sealant is also provided. The matrix and curing agent containing sulfur-containing polymers. The mixture is an uncured mixture with an isocyanate content, and the matrix is uncured and contains a mercaptan-terminated base polymer based on at least one polyether, polythioether, polysulfide or copolymers thereof. The uncured matrix, the curing agent, or both contain at least one photoinitiator based on sterically-inhibited tertiary amines. The mixture cures in the temperature range of −10 to +70° C. after the high-energy actinic radiation is applied. Corresponding matrices A, mixtures B, curing agents, sealant systems, and substrates, e.g., aircraft are contemplated. | 03-05-2015 |
20150010708 | PROCESS FOR COATING METALLIC SURFACES WITH AN AQUEOUS COMPOSITION, AND THIS COMPOSITION - The invention relates to a process for coating metallic surfaces with a composition containing silane/silanol/siloxane/polysiloxane, the composition consisting essentially of
| 01-08-2015 |
20140190592 | CHEMICAL CONVERSION TREATMENT AGENT FOR SURFACE TREATMENT OF METAL SUBSTRATE, AND SURFACE TREATMENT METHOD OF METAL SUBSTRATE USING SAME - A chemical conversion treatment agent for surface treatment of a metal substrate, comprising:
| 07-10-2014 |
20140134368 | METHOD FOR COATING METAL SURFACES USING AN AQUEOUS COMPOUND HAVING POLYMERS, THE AQUEOUS COMPOUND, AND USE OF THE COATED SUBSTRATES - The invention concerns a process for coating a metallic surface with an aqueous composition, wherein in addition to water the composition contains
| 05-15-2014 |
20140128299 | AMINE-FREE VOC-FREE METAL WORKING FLUID - The present application concerns an aqueous metalworking composition comprising in a concentrate or after dilution of a concentrate with water in a diluent: 0.002 to 40% by weight of component (a) which is a lubricity agent comprising at least one water-insoluble compound (a) having at least one hydrophobic aliphatic chain and at least one polar group and having a water solubility at 20° C. of less than 0.1 g/liter; 0.002 to 40% by weight of component (b) comprising at least one water-soluble corrosion inhibiting compound (b) having a water-solubility at 20° C. of more than 0.1 g/liter; 0.002 to 45% by weight of at least one emulsifying and dispersing agent (c) which contains at least one emulsifying and/or dispersing compound (c) which is water-soluble, water-miscible or water-dispersable and which is selected from the group consisting of non-ionic, anionic and zwitterionic surfactants; 0.002 to 30% by weight of an alkalinity agent (d) containing at least one alkaline water-soluble compound (d) selected from the group consisting of hydroxides and carbonates; and 0.004 to 99% by weight of a transport component (e) containing predominantly water. Further on, the present application concerns a method of use of such aqueous metalworking composition as a coolant, as a lubricant, etc., and concerns further on a method to prepare an aqueous metalworking composition and a metalworking process. | 05-08-2014 |
20140124708 | METHOD FOR PRODUCING A CARBON-COATED LITHIUM SULFIDE AND USE THEREOF - The invention relates to a novel method for producing a carbon-doped lithium sulfide powder, according to which elementary lithium is reacted with elementary sulfur and/or a sulfur-containing compound selected from the group containing CS | 05-08-2014 |
20140084224 | PROCESS FOR PREPARING LITHIUM SULFIDE - The invention relates to a novel process for preparing lithium sulfide and to the use thereof, wherein a reaction of lithium-containing strong bases with hydrogen sulfide is undertaken in an aprotic organic solvent within the temperature range from −20 to 120° C. under inert conditions. The lithium sulfide obtained by the process is used as a positive material in a galvanic element or for the synthesis of Li ion-conductive solids, especially for the synthesis of glasses, glass ceramics or crystalline products. | 03-27-2014 |
20140051311 | METHOD FOR COATING METAL SURFACES WITH AN ACTIVATING AGENT PRIOR TO PHOSPHATING - This invention relates to a method for phosphating metal surfaces in which the metal surfaces are treated with an aqueous phosphate and titanium-based colloidal activating agent prior to phoshating, wherein the activating agent comprises at least one water-soluble silicon compound having at least one organic group. The invention also relates to a corresponding activating agent. | 02-20-2014 |
20140044868 | PROCESS FOR PRODUCING A REPAIR COATING ON A COATED METALLIC SURFACE - A process for producing a repair coating on at least one metallic surface that is coated with at least one corrosion protection coating A applied with at least one composition selected from the group of pretreatment compositions, of organic compositions and of silicon compound(s) containing compositions, whereby the at least one corrosion protecting coating A has been at least partially removed in the area Z, whereby a thin corrosion protecting coating B containing at least one silicon compound is applied with a solution or dispersion containing at least one silane, at least one silanol, at least one siloxane, at least one polysiloxane or any mixture of these (=“siloxane composition”) on at least a part of the area Z. Optionally, a further corrosion protecting coating C may he applied on the thin corrosion protecting coating B generated with the siloxane composition whereby the at least one further corrosion protecting coating C is generated with at least one organic composition like a primer, a wet-primer, an e-coat, a powder coat, a base-coat or a clear-coat or with at least one composition which is the same or another siloxane composition as for the thin film B. | 02-13-2014 |
20140041693 | PROCESS FOR THE DEMULSIFYING CLEANING OF METALLIC SURFACES - The demulsifying cleaning of metallic surfaces which may be contaminated with oil(s) with at least one further nonpolar organic compound, with fat(s), with soap(s), with particulate dirt or with at least one anionic organic compound using an aqueous, alkaline, surfactant-containing bath solutions. | 02-13-2014 |
20140004266 | METHOD FOR COATING SURFACES AND USE OF THE OBJECTS COATED USING SAID METHOD | 01-02-2014 |
20130344310 | METHOD FOR COATING SURFACES AND USE OF THE ARTICLES COATED USING SAID METHOD - A method for electroless coating of substrates by applying an activating coat of polyelectrolyte or salt with a first aqueous composition; rinsing the activating coat such that the activating coat not being entirely removed; contacting and coating of the activated surfaces that have remained after rinsing with an aqueous composition in the form of a solution, emulsion or suspension, to form an organic secondary coat; and drying. The activating coat is a solution, emulsion or suspension containing a anionic polyelectrolyte or at least one anionic salt in solution in water. The aqueous composition forming the secondary coat has constituents which can be precipitated, deposited or salted out and which are anionically, zwitterionically, sterically or cationically stabilized. The dry film formed in the process, comprising the activating coat and the secondary coat, has a thickness of at least 1 μm. | 12-26-2013 |
20130295292 | AQUEOUS COMPOSITION FOR PRETREATING A METAL SURFACE BEFORE APPLYING ANOTHER COATING OR FOR TREATING SAID SURFACE - The present invention relates to an aqueous composition for pretreating a metallic surface before further coating or for treating said surface. The aqueous composition is obtained by adding a) at least [one] sodium, potassium, and/or ammonium water glass and b) at least one silane to water. The quantity ratio of a) to b), in each case including the resulting reaction products, is preferably in the range of 0.1:1 to 2:1. | 11-07-2013 |
20130284049 | INORGANIC CHROMIUM-FREE METAL SURFACE TREATMENT AGENT - An inorganic chromium-free metal surface treatment agent contains a compound X containing a metal X | 10-31-2013 |
20130244026 | Composition for Metal Surface Treatment, Metal Surface Treatment Method, and Metal Material - A metal material is contacted with a treatment solution containing zirconium and/or titanium compound, and a polyamine compound having a number average molecular weight from 150 to 500,000 and containing from 0.1 mmol to 17 mmol of primary and/or secondary amino group per 1 g of solid content and at least one siloxane unit. Concentration of zirconium and/or titanium compound in the metal surface treatment composition is from 10 ppm to 10,000 ppm with respect to the metal element, and mass ratio of the zirconium and/or titanium element is from 0.1 to 100 with respect to the polyamine compound. The metal material is washed with water after contacted by the treatment solution. | 09-19-2013 |
20130181160 | STABILIZED, PURE LITHIUM METAL POWDER AND METHOD FOR PRODUCING THE SAME - The invention relates to a stabilized lithium metal powder and to a method for producing the same, the stabilized, pure lithium metal powder having been passivated in an organic inert solvent under dispersal conditions with fatty acids or fatty acid esters according to the general formula (I) R—COOR′, in which R stands for C | 07-18-2013 |
20130143071 | PROCESS FOR THE ELECTROLESS COPPER PLATING OF METALLIC SUBSTRATES - The invention relates to a process for treating a metallic surface of an object with an aqueous copper-plating solution, with which a first copper-plating solution, which is free of cyanide and free of strong reducing agent, is electrolessly applied to clean metallic surfaces of the object, or after pretreatment to cleaned metallic surfaces, to form a first copper layer or copper alloy layer as a barrier layer and/or as a conductive layer, and also to the use of the objects produced by the process according to the invention. | 06-06-2013 |
20130142721 | LEWIS ACID SOLUTIONS IN AN OXYGEN DONOR-CONTAINING SOLVENT OR SOLVENT MIXTURE - The invention relates to solutions of Lewis acids selected from the halogen-containing Lewis acids of the elements of groups 12 and 13 from the periodic table of elements, or mixtures of said Lewis acids, in aprotic, asymmetrically substituted ethers or in solvent mixtures that contain asymmetrically substituted ethers and hydrocarbons, to the production of the solutions according to the invention, and to the use in inorganic, organic and organometallic syntheses. | 06-06-2013 |
20130122318 | SURFACE-PASSIVATED LITHIUM METAL AND METHOD FOR THE PRODUCTION THEREOF - A surface-passivated lithium metal, which has a composite top layer containing or consisting of at least two poorly soluble components containing lithium. Production of the surface-passivated lithium metal such that lithium metal below 180° C., thus in the solid state, is transformed into an inert, aprotic solvent with a passivating agent of the general formula Li[P(C | 05-16-2013 |
20130062575 | METAL IMIDE COMPOUNDS AS ANODE MATERIALS FOR LITHIUM BATTERIES AND GALVANIC ELEMENTS WITH A HIGH STORAGE CAPACITY - Metal imide compounds as anode materials for lithium batteries and galvanic elements with a high storage capacity. Metal imide compounds as highly capacitive anode materials for lithium batteries. The invention relates to a galvanic element, an anode material for use in a galvanic element and method for producing an active electrode material. The galvanic element contains the metal imide compounds of the general formula (I): M | 03-14-2013 |
20120261033 | COMPOSITION FOR METAL SURFACE TREATMENT, METAL SURFACE TREATMENT METHOD AND METAL MATERIAL - Disclosed is an easily handleable composition for metal surface treatment which enables to achieve foundation surface concealment, coating adhesion and corrosion resistance equal to or higher than those obtained by the conventional metal surface treatment compositions. This composition for metal surface treatment places no burden on the environment. Also disclosed are a method for treating the surface of a metal material wherein such a composition for metal surface treatment is used, and a metal material treated by such a metal surface treatment method. Specifically disclosed is a metal surface treatment composition used for a treatment of a metal surface, which composition contains a zirconium compound and/or titanium compound substantially not containing fluorine, and an inorganic acid and/or a salt thereof. This metal surface treatment composition has a pH of not less than 1.5 but not more than 6.5. | 10-18-2012 |
20110165427 | Metal Surface Treatment Composition, Metal Surface Treatment Method, And Metal Material - A metal surface treatment composition including at least one compound selected from the group consisting of a zirconium compound and a titanium compound, and an organosiloxane, which is a polycondensate of organosilane and has in a molecule thereof of at least two amino groups, in which the Degree of polycondensation of the organosiloxane is at least 40%, the content of at least one compound selected from the group consisting of the zirconium compound and the titanium compound is predetermined content, the content of the organosiloxane in the metal surface treatment composition is predetermined content, and the mass ratio of at least one element selected from the group consisting of the zirconium element and the titanium element contained in the zirconium compound and the titanium compound, respectively, to the silicon element contained in the organosiloxane is a predetermined ratio. | 07-07-2011 |
20090218228 | Composition for Metal Surface Treatment, Metal Surface Treatment Method And Metal Material - An easily handleable composition for metal surface treatment is provided which achieves foundation surface concealment, coating adhesion and corrosion resistance equal to or higher than those obtained by the conventional metal surface treatment compositions. This composition for metal surface treatment places no burden on the environment. A method for treating the surface of a metal material in which such a composition for metal surface treatment is used, and a metal material treated by such a metal surface treatment method, are also provided. Specifically disclosed is a metal surface treatment composition used for a treatment of a metal surface, which composition contains a zirconium compound and/or titanium compound substantially not containing fluorine, and an inorganic acid and/or a salt thereof. This metal surface treatment composition has a pH of not less than 1.5 but not more than 6.5. | 09-03-2009 |