Patent application number | Description | Published |
20090292147 | PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER ALCOHOLS - The invention relates to a process for the continuous preparation of polyether alcohols by reacting H-functional initiators with alkylene oxides using basic catalysts, wherein at least one initiator is metered with at least one alkylene oxide continuously into a back-mixing reactor and the reaction product is removed continuously from the back-mixing reactor. | 11-26-2009 |
20100227939 | FOAMED POLYURETHANES HAVING IMPROVED FLEXING ENDURANCE PROPERTIES - The present invention relates to foamed polyurethane obtainable by mixing a) polyisocyanates, b) relatively high molecular weight compounds having groups reactive toward isocyanate groups, c) solid particles, d) blowing agents, e) if appropriate, chain extender, crosslinking agent or mixtures thereof, f) if appropriate, catalyst and g) if appropriate, other additives to give a reaction mixture and allowing the reaction mixture to react to completion, the proportion of chain extender being less than 6% by weight, based on the total weight of the components a) to f), the content of solid particles being greater than 15% by weight, based on the total weight of the components a) to f), and the average functionality of the relatively high molecular weight compounds having groups reactive toward isocyanate groups being less than 2.5. The present invention furthermore relates to a molding comprising a foamed polyurethane according to the invention, a process for the preparation of the foamed polyurethane according to the invention and the use of a molding according to the invention as a shoe sole. | 09-09-2010 |
20100261870 | METHOD FOR PRODUCING POLYETHER ALCOHOLS - The invention provides a process for preparing polyether alcohols by adding alkylene oxides onto H-functional starter substances, of which at least one is solid at room temperature in a reaction vessel, by feeding the starting components continuously to the reaction vessel, which comprises preparing a paste from the solid starter substance and feeding this paste continuously to the reaction vessel. | 10-14-2010 |
20110065840 | PROCESS FOR PREPARING POLYOL DISPERSIONS - The present invention relates to a dispersion comprising
| 03-17-2011 |
20120022179 | PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS - The invention relates to a process for producing rigid polyurethane foams by reacting
| 01-26-2012 |
20120130134 | PROCESS FOR THE PREPARATION OF POLYETHEROLS FROM ALKYLENE OXIDES - A process for the preparation of polyetherols, comprising the following steps:
| 05-24-2012 |
20120197042 | PROCESS FOR PREPARING HIGHLY BRANCHED POLYHYDROXYBENZOIC ACID ALKOXYLATES - The invention relates to a process for preparing hyperbranched polyhydroxybenzoic acid alkoxylates, comprising the steps of:
| 08-02-2012 |
20120253005 | CONDITIONING OF DOUBLE METAL CYANIDE CATALYSTS - The invention relates to a method for conditioning double metal catalysts which are used in the production of polyether polyols. The conditioning enhances the performance of the catalyst, so that lower concentrations of the DMC catalyst can be used in polyether polyol production. | 10-04-2012 |
20130131389 | PROCESS FOR PREPARING POLYETHER ALCOHOLS - What is proposed is a process for preparing polyether alcohols by conversion of the following reactants: a) one or more alkylene oxides and optionally carbon dioxide and b) one or more H-functional starter substances, in the presence of a catalyst, to form a liquid reaction mixture, in a reaction unit ( | 05-23-2013 |
20130211041 | PROCESS FOR THE PREPARATION OF POLYETHERESTER POLYOLS - Disclosed is a process for the preparation of polyetherester polyols prepared with hybrid catalysts, the polyether esters obtained from the process and the use of such materials in polyurethane applications. The hybrid catalysts used in this invention comprise double metal cyanide complex catalysts (DMC) and at least one co-catalyst. | 08-15-2013 |
20130253164 | PROCESS FOR ORGANOCATALYTIC RING-OPENING POLYMERIZATION - The present invention relates to a process for organocatalytic ring-opening polymerization of at least one monomer M suitable for ring-opening polymerization, or of mixtures thereof, wherein, in a step (i), at least one N-heterocyclic compound is subjected in the presence of at least one Zerevitinov-active compound Z1 to a temperature of at least 80° C. for a period of at least 30 seconds and, in a step (ii), the monomer M is added and reacted. | 09-26-2013 |
20130261206 | PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHEROLS - The present invention relates to a process for the continuous production of polyether alcohols by catalyzed addition of at least one alkylene oxide to at least one hydrogen-functional starter compound, wherein at least one catalyst exhibits the structural element R1/R2C=N−R3. | 10-03-2013 |
20130274526 | PROCESS FOR PREPARING POLYETHER POLYOLS - The present invention relates to a process for preparing polyetherols by catalytic ring-opening polymerization, wherein at least one nitrogen-containing cyclic precatalyst compound is used. | 10-17-2013 |
20140135419 | COMPOSITION FOR INKS AND COATINGS WITH HIGH LAMINATION BOND STRENGTH - A composition obtained by the following steps (i) furnishing a composition (C) comprising an emulsion polymer (a) and thereafter (ii) adding to said composition (C) a composition comprising a water-soluble polymer (b) comprising ether groups, wherein said water-soluble polymer (b) does not comprise carboxylate groups and, said water-soluble polymer (b) has a solubility in water of at least 50 g/l. A method of making a such a composition and the use of such for water based coatings or inks is described. | 05-15-2014 |