Patent application number | Description | Published |
20100095468 | FLEXIBLE, FLAT SUBSTRATES HAVING AN ABRASIVE SURFACE - Flexible, sheet-like substrates having an abrasive surface, which are obtainable by applying an aqueous solution or dispersion of at least one precondensate of a heat-curable resin to the top and/or bottom of a flexible, sheet-like substrate in an amount of at least 5 to 90% by weight, based on the uncoated, dry substrate, crosslinking the precondensate and drying the treated substrate. | 04-22-2010 |
20100280185 | HIGHLY-BRANCHED MELAMINE POLYMERS - A process for preparing highly branched melamine polymers, wherein melamine is reacted with 1.5 to 4 mol, per mole of melamine, of one or more diamines or polyamines having at least two primary amino groups, it being possible for up to 25 mol % of the diamines or polyamines to have three or more primary amino groups and for up to 50 mol % of the diamines or polyamines to be replaced by amines having only one primary amino group, in the presence of an acidic catalyst. | 11-04-2010 |
20100297425 | LIGHT WOOD-BASED MATERIALS - The present invention relates to light wood-base materials comprising from 30 to 92.5% by weight, based on the wood-base material, of wood particles, the wood particles having a mean density of from 0.4 to 0.85 g/cm | 11-25-2010 |
20110003136 | LIGHT WOOD-BASED MATERIALS - A light wood-containing material having an average density in the range from 200 to 600 kg/m | 01-06-2011 |
20110028603 | HYPERBRANCHED POLYMERS AND OLIGOMERS COMPRISING TERMINAL AMINO GROUPS AS CURING AGENTS FOR EPOXY RESINS - The invention relates to the use of hyperbranched polymers or oligomers comprising terminal primary and/or secondary amino groups as curing agents for epoxy resins. The invention further relates to a composition containing such polymers or oligomers, an uncured or only partially cured epoxy resin, and at least one optional curing agent for epoxy resins, as well as a cured epoxy resin that can be obtained by curing said components. The invention finally relates to a method for curing epoxy resins. In said method, an uncured or only partially cured epoxy resin is brought to a temperature of 5 to 150° C. or is exposed to microwave radiation along with at least one polymer or oligomer according to the definition above and at least one optional conventional curing agent for epoxy resins. | 02-03-2011 |
20110039090 | LIGHT WOOD-BASED MATERIALS HAVING GOOD MECHANICAL PROPERTIES AND LOW FORMALDEHYDE EMISSION - A light wood-containing material having an average density in the range from 200 to 600 kg/m | 02-17-2011 |
20110124754 | METHOD FOR THE PRODUCTION OF ABRASIVE FOAMS - A process for production of an abrasive foam based on a melamine-formaldehyde condensate comprising inorganic nanoparticles, comprising the steps of:
| 05-26-2011 |
20110130080 | FLEXIBLE, FLAT SUBSTRATE WITH AN ABRASIVE SURFACE - Flexible, sheet-like substrates having an abrasive surface, which are obtainable by applying an aqueous solution or dispersion of at least one precondensate of a heat-curable resin to the top and/or bottom of a flexible, sheet-like substrate in an amount in the range from 0.1 to 90% by weight, based on the uncoated, dry substrate, crosslinking the precondensate and drying the treated substrate, wherein the aqueous solution or dispersion of at least one precondensate of a heat-curable resin comprises (i) a polymeric thickener selected from the group consisting of biopolymers, associative thickeners and wholly synthetic thickeners in an amount ranging from 0.01% by weight to 10% by weight and optionally (ii) a curative that catalyzes further condensation of the heat-curable resin at from about 60° C. | 06-02-2011 |
20110217550 | LIGNOCELLULOSE MATERIALS HAVING GOOD MECHANICAL PROPERTIES - A process for the production of a lignocellulose-containing material, in which, based in each case on the lignocellulose-containing material:
| 09-08-2011 |
20110217562 | LIGNOCELLULOSE MATERIALS HAVING GOOD MECHANICAL PROPERTIES - A process for the production of a lignocellulose-containing material, in which, based in each case on the lignocellulose-containing material:
| 09-08-2011 |
20110224347 | POLYAMIDES THAT RESIST HEAT-AGING - Thermoplastic molding compositions, comprising
| 09-15-2011 |
20110230578 | FLAME-RETARDANT COMPOSITE FOAM - A composite foam comprising
| 09-22-2011 |
20110257284 | PROCESS FOR PRODUCING FLAME-RETARDANT PU FOAMS - The present invention describes a process for producing flame-retardant polyurethane foams. The process of the invention includes the use of hyperbranched, nitrogen-containing polymers for providing flame retardancy to polyurethane foams. The amounts used of the hyperbranched compounds are preferably from 5 to 20% by weight, based on the polyol component. The N content of preferred nitrogen-containing compounds is at least 2% by weight. The N content of the polyurethane foams of the invention is from 1 to 8% by weight from the hyperbranched polymer. Compounds in particular used are hyper-branched polyureas, hyperbranched polyamides, and in particular hyperbranched polylysines, hyperbranched polyisocyanurates, and hyperbranched polyesteramides. | 10-20-2011 |
20110257321 | HIGHLY BRANCHED POLYAMINES AND OLIGOAMINES AS CORROSION INHIBITORS - The present invention relates to the use of highly branched polymers or oligomeric compounds prepared by condensing melamine (derivatives) and/or urea (derivatives) with diamines or polyamines for reducing or preventing the corrosion of corrosion-threatened materials. The invention further relates to a method for reducing, retarding or preventing the corrosion of corrsion-threatened materials, in which the materials and/or the corrosive medium to which the materials are exposed are or is contacted with at least one of these highly branched polymers and/or oligomers, and to an anti-corrosion composition which comprises these highly branched polymers and/or oligomers and also an anticorrosion pigment. | 10-20-2011 |
20120138224 | LIGHT LIGNOCELLULOSE MATERIALS HAVING GOOD MECHANICAL PROPERTIES - A process for the production of a light lignocellulose-containing substance having an average density in the range from 200 to 600 kg/m | 06-07-2012 |
20120219815 | LIGNOCELLULOSE MATERIALS HAVING GOOD MECHANICAL PROPERTIES - A process for the production of a lignocellulose-containing substance having an average density in the range from more than 600 to 900 kg/m | 08-30-2012 |
20120225965 | MELAMINE-RESIN FOAMS COMPRISING HOLLOW MICROBEADS - The invention relates to foam comprising hollow microbeads and intended for sound absorption, comprising
| 09-06-2012 |
20120252987 | FUNCTIONALIZED HIGHLY BRANCHED MELAMINE-POLYAMINE POLYMERS - The present invention relates to a method for producing amphiphilic functionalized highly branched melamine-polyamine polymers by condensing melamine and optionally a melamine derivate having at least one different amine having at least two primary amino groups and optionally also with urea and/or at least one urea derivative and/or with at least one at least difunctional diisocyanate or polyisocyanate and/or at least one carbolic acid having at least two carboxyl groups or at least one derivative thereof, optionally quaternizing a portion of the amino groups of the polymer thereby obtained, reacting the polymer thus obtained with at least one compound capable of undergoing a condensation or addition reaction with amino groups, and optionally quaternizing at least part of the amino groups of the polymer obtained in the first step. The invention further relates to the amphiphilic functionalized highly branched melamine-polyamine polymers that can be obtained by the method according to the invention, and to the use thereof as surface active agents. | 10-04-2012 |
20120322264 | AQUEOUS POLISHING AGENT AND GRAFT COPOLYMERS AND THEIR USE IN A PROCESS FOR POLISHING PATTERNED AND UNSTRUCTURED METAL SURFACES - An aqueous polishing agent, comprising, as the abrasive, at least one kind of polymer particles (A) finely dispersed in the aqueous phase and having at their surface a plurality of at least one kind of functional groups (al) capable of interacting with the metals and/or the metal oxides on top of the surfaces to be polished and forming complexes with the said metals and metal cations, the said polymer particles (A) being preparable by the emulsion or suspension polymerization of at least one monomer containing at least one radically polymerizable double bond in the presence of at least one oligomer or polymer containing a plurality of functional groups (a1); graft copolymers preparable by the emulsion or suspension polymerization of at least one monomer containing at least one radically polymerizable double bond in the presence of at least one oligomeric or polymeric aminotriazine-polyamine condensate; and a process for the chemical and mechanical polishing of patterned and unstructured metal surfaces making use of the said aqueous polishing agent. | 12-20-2012 |