Patent application number | Description | Published |
20100105792 | RADIATION-CURING BINDERS AND A PROCESS FOR THEIR PREPARATION - The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ≦130° C.
| 04-29-2010 |
20130018186 | BIMETALLIC COMPLEXES AND THE USE THEREOF IN PRODUCING DIARYL CARBONATEAANM Gurtler; ChristophAACI KolnAACO DEAAGP Gurtler; Christoph Koln DEAANM Muller; Thomas ErnstAACI MunchenAACO DEAAGP Muller; Thomas Ernst Munchen DEAANM Ooms; PieterAACI KrefeldAACO DEAAGP Ooms; Pieter Krefeld DEAANM Rechner; JohannAACI KempenAACO DEAAGP Rechner; Johann Kempen DEAANM Risse; FriedhelmAACI KolnAACO DEAAGP Risse; Friedhelm Koln DEAANM Prokofieva; AngelinaAACI LeverkusenAACO DEAAGP Prokofieva; Angelina Leverkusen DEAANM Doro; FrancoAACI AachenAACO DEAAGP Doro; Franco Aachen DEAANM Kohler; BurkhardAACI ZierenbergAACO DEAAGP Kohler; Burkhard Zierenberg DEAANM Leitner; WalterAACI AachenAACO DEAAGP Leitner; Walter Aachen DEAANM Wolf; AurelAACI WulfrathAACO DEAAGP Wolf; Aurel Wulfrath DE - The invention relates to bimetallic complexes in which the ligand contains a salophen unit which complexes copper, manganese or cobalt and a phenanthroline unit which complexes palladium and the two systems are linked by a continuous conjugated system. The invention further relates to the use of these bimetallic complexes as catalysts for the oxidative carbonylation of aromatic hydroxy compounds to form diaryl carbonates, a process for preparing diaryl carbonates using the bimetallic complex as catalyst and also diaryl carbonates prepared by oxidative carbonylation of aromatic hydroxy compounds using the bimetallic complexes of the invention as catalysts. | 01-17-2013 |
20130059973 | POLYISOCYANATE PREPOLYMERS AND THEIR USE - The invention provides polyisocyanate prepolymers, characterised in that they contain polyether carbonate polyols as structural component, their preparation and their use as isocyanate component in 1- and 2-component systems for surface-coating compositions, adhesives and sealing materials. | 03-07-2013 |
20130066112 | MULTI-AMINE FUNCTIONAL OLIGOMERS AND METHOD FOR PRODUCING THE SAME BY THE REDUCTION OF CORRESPONDING OXIMES - The invention relates to multi-amine functional oligomers and multi-oxime functional oligomers in addition to a method for producing the same by means of the co-polymerisation of carbonyl carriers such as olefins or dienes, reaction with hydroxylamine and a subsequent selective catalytic hydrogenation. | 03-14-2013 |
20130072602 | PROCESS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols by catalytic copolymerization of carbon dioxide (CO | 03-21-2013 |
20130123532 | METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide in the presence of at least one double metal cyanide catalyst, wherein the cyanide-free metal salt, the metal cyanide salt or both the mentioned salts used for the preparation of the double metal cyanide catalyst contain(s) from 0.3 to 1.8 mol base equivalents (based on 1 mol of the metal cyanide salt used for the synthesis of the catalyst) of alkaline metal hydroxide, metal carbonate and/or metal oxide. | 05-16-2013 |
20130150526 | PROCESS FOR THE PREPARATION OF POLYOL MIXTURES - The invention relates to a process for the preparation of polyol mixtures comprising polyether carbonate polyol and polyol containing urethane groups, characterized in that
| 06-13-2013 |
20130184432 | PROCESS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols from one or more alkylene oxides, carbon dioxide and optionally from one or more H-functional starter substances in the presence of at least one double metal cyanide catalyst, wherein the double metal cyanide catalyst comprises an unsaturated alcohol as a complexing ligand. | 07-18-2013 |
20130190462 | PROCESS FOR PREPARING POLYETHER CARBONATE POLYOLS WITH DOUBLE METAL CYANIDE CATALYSTS AND IN THE PRESENCE OF METAL SALTS - The present invention relates to a process for the preparation of polyether carbonate polyols by catalytic copolymerisation of carbon dioxide (CO | 07-25-2013 |
20130211042 | PROCESS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the production of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides (epoxides) and carbon dioxide in the presence of at least one double metal cyanide catalyst, wherein the production of the polyether carbonate polyols is carried out in a tubular reactor. | 08-15-2013 |
20130296450 | METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS HAVING PRIMARY HYDROXYL END GROUPS AND POLYURETHANE POLYMERS PRODUCED THEREFROM - The present invention relates to a process for the preparation of polyether carbonate polyols with primary hydroxyl end groups, comprising the steps of reaction of a starter compound containing active hydrogen atoms with an epoxide and carbon dioxide under double metal cyanide catalysis, reaction of the product obtained with a cyclic carboxylic acid anhydride and reaction of this product obtained with ethylene oxide in the presence of a catalyst which contains at least one nitrogen atom per molecule, excluding non-cyclic tertiary amines with identical substituents. The invention furthermore relates to polyether carbonate polyols obtainable by this process, compositions comprising these polyether carbonate polyols and polyurethane polymers based on these polyether carbonate polyols. | 11-07-2013 |
20140018517 | METHOD FOR PRODUCING POLYCARBONATE POLYOLS BY THE IMMORTAL POLYMERIZATION OF CYCLIC CARBONATES - The invention relates to a process for the preparation of polycarbonate polyols, characterised in that cyclic carbonates are polymerised in the presence of DMC catalysts and chain-transfer agents consisting of polyether carbonate polyols. | 01-16-2014 |
20140155559 | METHOD FOR PRODUCING POLYETHER POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols from one or more H-functional starter compounds, one or more alkylene oxides and carbon dioxide in the presence of a double metal cyanide catalyst, wherein (α) the H-functional starter substance or a mixture of at least two H-functional starter substances is initially introduced into the reaction vessel, (β) for the activation, a part amount (based on the total amount of the amount of alkylene oxides employed in steps (β) and (γ)) of one or more alkylene oxides is added to the mixture resulting from step (α), it also being possible for step (β) to be carried out several times for the activation, (γ) one or more alkylene oxides and carbon dioxide are metered continuously into the mixture resulting from step (β) (“copolymerization”), the alkylene oxides employed for the copolymerization being identical to or different from the alkylene oxides employed in step (β), characterized in that in step (γ) the carbon dioxide is passed into the mixture by (i) gassing the reaction mixture in the reactor from the bottom, (ii) using a hollow shaft stirrer, (iii) a combination of the metering operations according to (i) and (ii), and/or (iv) gassing over the surface of the liquid by using stirrer units configured in several stages. | 06-05-2014 |
20140221602 | METHOD FOR ACTIVATING DOUBLE METAL CYANIDE CATALYSTS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the activation of double metal cyanide (DMC) catalysts with heterocumulenes for the preparation of polyether carbonate polyols by catalytic copolymerization of carbon dioxide (CO | 08-07-2014 |
20140256908 | PROCESS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a method for producing polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide, in the presence of at least one double metal cyanide (DMC) catalyst, wherein the double metal cyanide catalyst comprises a complex-forming component selected from the group consisting of polycarbonate diol, polyether carbonate polyol, polyethylene glycol diol and poly(tetramethylene ether diol). | 09-11-2014 |
20140275371 | PROCESS FOR PREPARING OLEFIN-CO TERPOLYMERS - The present invention relates to a process for preparing olefin-CO terpolymers with the steps of:
| 09-18-2014 |
20140275475 | SEMIBATCHWISE PROCESS FOR PREPARING OLEFIN-CO COPOLYMERS - A process for preparing olefin-CO copolymers with the steps of:
| 09-18-2014 |
20140323670 | METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS - The present invention relates to a method for producing polyether carbonate polyols by way of the catalytic addition of carbon dioxide and alkylene oxides to H-functional starter compounds in the presence of double metal cyanide (DMC) catalyser that was activated in the presence of cyclic anhydride. | 10-30-2014 |
20140329987 | METHOD FOR PRODUCING POLYETHERESTER CARBONATE POLYOLS - The present invention relates to a method for producing polyetherester carbonate polyols by means of catalytic addition of carbon dioxide, alkylene oxides and cyclic anhydrides to H-functional starter compounds in the presence of double metal cyanide (DMC) catalysts. | 11-06-2014 |
Patent application number | Description | Published |
20100105792 | RADIATION-CURING BINDERS AND A PROCESS FOR THEIR PREPARATION - The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ≦130° C.
| 04-29-2010 |
20120101247 | PROCESS FOR PREPARING DIARYL CARBONATES FROM DIALKYL CARBONATES - The present invention relates to a process for continuously preparing diaryl carbonates from dialkyl carbonates and at least one monohydroxyl compound in the presence of catalysts, and to the use thereof for preparation of polycarbonates. The alkylene glycol obtained in the preparation of the dialkyl carbonate used is recycled by oxidative carbonylation with carbon monoxide in the presence of a catalyst to give the cyclic alkylene carbonate which is in turn converted to the dialkyl carbonate. More particularly, the process utilizes the alkylene glycol obtained for the diphenyl carbonate preparation process (DPC process). | 04-26-2012 |
20120148478 | PROCESS FOR THE PREPARATION OF CHLORINE BY GAS PHASE OXIDATION ON NANOSTRUCTURED SUPPORTED RUTHENIUM CATALYSTS - The present invention relates to a process for the preparation of chlorine by gas phase oxidation using a supported catalyst based on ruthenium, characterised in that the catalyst support has a plurality of pores having a pore diameter>50 nm and carries nanoparticles containing ruthenium and/or ruthenium compounds as catalytically active components. | 06-14-2012 |
20120289732 | PROCESS FOR THE ACTIVATION OF DOUBLE METAL CYANIDE CATALYSTS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the activation of double metal cyanide (DMC) catalysts for the preparation of polyether carbonate polyols by catalytic copolymerisation of carbon dioxide (CO | 11-15-2012 |
20130059973 | POLYISOCYANATE PREPOLYMERS AND THEIR USE - The invention provides polyisocyanate prepolymers, characterised in that they contain polyether carbonate polyols as structural component, their preparation and their use as isocyanate component in 1- and 2-component systems for surface-coating compositions, adhesives and sealing materials. | 03-07-2013 |
20130066112 | MULTI-AMINE FUNCTIONAL OLIGOMERS AND METHOD FOR PRODUCING THE SAME BY THE REDUCTION OF CORRESPONDING OXIMES - The invention relates to multi-amine functional oligomers and multi-oxime functional oligomers in addition to a method for producing the same by means of the co-polymerisation of carbonyl carriers such as olefins or dienes, reaction with hydroxylamine and a subsequent selective catalytic hydrogenation. | 03-14-2013 |
20130072602 | PROCESS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols by catalytic copolymerization of carbon dioxide (CO | 03-21-2013 |
20130123532 | METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides and carbon dioxide in the presence of at least one double metal cyanide catalyst, wherein the cyanide-free metal salt, the metal cyanide salt or both the mentioned salts used for the preparation of the double metal cyanide catalyst contain(s) from 0.3 to 1.8 mol base equivalents (based on 1 mol of the metal cyanide salt used for the synthesis of the catalyst) of alkaline metal hydroxide, metal carbonate and/or metal oxide. | 05-16-2013 |
20130150526 | PROCESS FOR THE PREPARATION OF POLYOL MIXTURES - The invention relates to a process for the preparation of polyol mixtures comprising polyether carbonate polyol and polyol containing urethane groups, characterized in that
| 06-13-2013 |
20130184432 | PROCESS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols from one or more alkylene oxides, carbon dioxide and optionally from one or more H-functional starter substances in the presence of at least one double metal cyanide catalyst, wherein the double metal cyanide catalyst comprises an unsaturated alcohol as a complexing ligand. | 07-18-2013 |
20130190462 | PROCESS FOR PREPARING POLYETHER CARBONATE POLYOLS WITH DOUBLE METAL CYANIDE CATALYSTS AND IN THE PRESENCE OF METAL SALTS - The present invention relates to a process for the preparation of polyether carbonate polyols by catalytic copolymerisation of carbon dioxide (CO | 07-25-2013 |
20130211042 | PROCESS FOR THE PRODUCTION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the production of polyether carbonate polyols from one or more H-functional starter substances, one or more alkylene oxides (epoxides) and carbon dioxide in the presence of at least one double metal cyanide catalyst, wherein the production of the polyether carbonate polyols is carried out in a tubular reactor. | 08-15-2013 |
20130296450 | METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS HAVING PRIMARY HYDROXYL END GROUPS AND POLYURETHANE POLYMERS PRODUCED THEREFROM - The present invention relates to a process for the preparation of polyether carbonate polyols with primary hydroxyl end groups, comprising the steps of reaction of a starter compound containing active hydrogen atoms with an epoxide and carbon dioxide under double metal cyanide catalysis, reaction of the product obtained with a cyclic carboxylic acid anhydride and reaction of this product obtained with ethylene oxide in the presence of a catalyst which contains at least one nitrogen atom per molecule, excluding non-cyclic tertiary amines with identical substituents. The invention furthermore relates to polyether carbonate polyols obtainable by this process, compositions comprising these polyether carbonate polyols and polyurethane polymers based on these polyether carbonate polyols. | 11-07-2013 |