| Patent application number | Description | Published |
|---|
| 20100086861 | SPECIAL POLYETHER-BASED POLYURETHANE FORMULATIONS FOR THE PRODUCTION OF HOLOGRAPHIC MEDIA - The present invention relates to novel polyurethane compositions which are advantageous for the production of holographic media, inter alia for data storage, but also for optical applications of different types. | 04-08-2010 |
| 20100125126 | PROCESS FOR THE PREPARATION OF POLYETHER POLYOLS - The present invention provides a process for conditioning double metal cyanide (DMC) catalysts, which are employed in the preparation of polyether polyols based on starter compounds having active hydrogen atoms, the preparation of polyether polyols using the conditioned catalysts and the use of the polyether polyols prepared in this way for the preparation of polyurethane materials. | 05-20-2010 |
| 20110230581 | PROCESS FOR THE PRODUCTION OF POLYETHER POLYOLS WITH A HIGH ETHYLENE OXIDE CONTENT - Polyether polyols with an OH number of from 15 to 120 mg of KOH/g are produced by (i) introducing a mixture of DMC catalyst and a poly(oxyalkylene)polyol or a mixture of DMC catalyst and a polyether polyol (“heel”) obtainable by the process according to the invention is initially into a reactor and (ii) continuously introducing one (or more) low molecular weight starter compound(s) with a (mixed) hydroxyl functionality of from 2.2 to 6.0 and a mixture composed of a) 73 to 80 parts by weight (per 100 parts by weight of a) plus b)) of ethylene oxide and b) 27 to 20 parts by weight (per 100 parts by weight of a) plus b)) of at least one substituted alkylene oxide corresponding to a specified formula into the mixture from step (i). These polyether polyols are particularly useful for the production of flexible polyurethane foams. | 09-22-2011 |
| 20120029162 | CARBON NANOTUBES COMPRISING HYDROXY GROUPS, METHOD FOR THE PRODUCTION THEREOF AND POLYURETHANE POLYMERS COMPRISING SAID CARBON NANOTUBES - The invention relates to carbon nanotubes comprising hydroxy groups, wherein the surface thereof comprises hydroxy alkyl ester groups covalently bound thereon, chosen from the group according to the general formula (1) and/or the general formula (2), wherein (CNT) stands for the surface of the carbon nanotube and R1 and R2 are independently from each other hydrocarbon, an alkyl radical or an aryl radical. The invention further relates to a method for the production thereof by means of reaction of carbon acid groups of the carbon nanotubes with an epoxy, furthermore a polyurethane polymer, wherein said carbon nanotubes are covalently bound, a method for producing a polymer of said kind and use of the carbon nanotubes for producing polymers. | 02-02-2012 |
| 20120116114 | PROCESS FOR PRODUCING POLYESTER POLYOLS HAVING SECONDARY OH END GROUPS - The invention relates to a process for producing polyester polyols with secondary hydroxyl end groups, including the step of the reaction of a polyester including carboxyl end groups with an epoxide of the general formula (1): | 05-10-2012 |
| 20120123008 | PROCESS FOR THE PREPARATION OF A POLYURETHANE POLYMER WITH SECONDARY HYDROXYL END GROUPS COMPRISING POLYESTER POLYOLS - The invention relates to a process for the preparation of a polyurethane polymer, comprising the step of reaction of | 05-17-2012 |
| 20120172519 | HYDROPHILIC POLYURETHANE UREA DISPERSIONS - The invention relates to a polyurethane urea dispersion, wherein the polyurethane urea (1) is terminated with a copolymer unit of polyethylene oxide and poly-C4-C12-alkylene oxide, and (2) comprises at least one polycarbonate polyol containing hydroxyl groups. | 07-05-2012 |
| 20120175563 | REACTIVE DILUENTS CONTAINING SILANE GROUPS - The present invention relates to reactive diluents for moisture-curing coating systems containing silane groups. The invention further relates to a method for the production of said diluents, and to the use thereof in coating agents, adhesives and sealants. | 07-12-2012 |
| 20120177711 | HYDROPHILIC POLYURETHANE UREA SOLUTIONS - The invention relates to a coating composition containing at least one polyurethane urea which is terminated with a copolymer unit of polyethylene oxide and poly-C | 07-12-2012 |
