Abstract:
The present invention relates to a method for technical extraction of propene from a gas stream containing at least propene and propane, the step comprising bringing the gas stream into contact with an adsorbent material comprising a porous metal-organic structural material containing at least one at least bidentate organic compound that is coordinatively bonded to at least one metal ion, wherein the adsorbent material becomes loaded up with propane and the gas stream thereby exhibits an elevated propene content, wherein the at least bidentate organic component is an imidazolate that is unsubstituted or that contains one or more substituents independently selected from the group consisting of halogen, C 1-6 alkyl, phenyl, NH 2 , NH(C 1-6 alkyl), N(C 1-6 alkyl) 2 , OH, O-phenyl and O-C 1-6 alkyl. The present invention also relates to the use of such a porous metal-organic structural material for technical extraction of propene from a gas stream containing at least propene and propane by way of propane depletion of the gas stream.
Abstract:
The invention relates to porous organometallic framework materials containing at least one at least ambident organic compound L which is coordinatively bound to at least one metal ion M and is provided with at least one functional group G that binds non-coordinatively to M and is selected among the group comprising -SO3H, -PO3H2, and the analogues thereof. The invention further relates to method for the production thereof and the use thereof.
Abstract:
The invention relates to a method for producing optionally alkyl-substituted 1,4-butanediol by means of two-stage catalytic hydration in the gas phase, comprising the following steps: a) a gas stream of C4-dicarboxylic acid or a derivative thereof is fed into a first reactor and the gas phase is catalytically hydrated so as to obtain a product mainly containing optionally alkyl-substituted y-butyrolactone; b) the obtained product stream is fed into a second reactor and the gas phase is catalytically hydrated so as to obtain optionally alkyl-substituted 1,4-butanediol; c) the desired product is separated from intermediate products, by-products, and an optionally unreacted starting material. A catalyst comprising = 95 percent by weight of CuO and = 5 percent by weight of an oxidic carrier is used in each hydration stage. The product mixture obtained in the first hydration step is introduced into the second hydration stage without further cleaning said product mixture.
Abstract:
The present invention relates to compositions for chemical-mechanical polishing comprising A 0.01 % to 40 % by weight based on the total amount of the composition of abrasive particles of at least one porous metal-organic framework material, wherein the framework material comprises at least one at least bidentate organic compound which is coordinately bound to at least one metal ion; B 40 % to 99.8 % by weight based on the total amount of the composition of a liquid carrier; and C 0.01 % to 20 % by weight based on the total amount of the composition of a polishing additive component. The invention further relates to the use of said composition as well as methods for chemical-mechanical polishing of a surface with the aid of said compositions.
Abstract:
The present invention relates to a porous organometallic skeleton material, comprising at least one at least bidentate organic compound bound coordinatively to at least one metal ion, wherein the at least one metal ion is AlIII and the at least bidentate organic compound is an aromatic dicarbonic acid substituted with at least one amino group, selected from the group consisting of terephthalic acid, 2,6-naphthalene dicarbonic acid, 1,4-naphthalene dicarbonic acid, 1,5-naphthalene dicarbonic acid, and the derivates thereof, wherein at least one CH group is substituted in the ring by nitrogen, wherein the skeleton material in powder form has a specific surface according to Langmuir (N2, 77K) of at least 2500 m2/g. The invention further relates to molded bodies containing said materials, the production thereof, and use thereof for the storage and separation of gases.
Abstract:
The present invention relates to methods for the production of an organometallic framework material loaded with catalyst metal components comprising the following steps: (a) bringing the organometallic framework material, containing at least one at least bidentate organic compound in a dative bond with at least one metal ion, into contact with an aqueous solution containing a catalyst metal ion corresponding to the catalyst metal component, wherein the at least one metal ion and the catalyst metal ion originate from different metals and the at least one metal ion is selected from groups 2, 3, 4, 13 of the periodic table of elements and the lanthanides; (b) chemical conversion of the catalyst metal ion into the catalyst metal component and (c) optionally, passivation of the catalyst metal component. The invention further relates to the conversion of loaded porous organometallic framework materials into porous metal oxides, porous materials thus obtained, and the use thereof, particularly in the catalytic chemical reaction.
Abstract:
The invention relates to mixtures each containing, in relation to the total weight of the mixture: a) between 2 and 60 wt. % of a PCM device constituent A, and b) between 40 and 98 wt. % of a skeletal material constituent B, constituent A containing at least one microencapsulated PCM device material, and constituent B containing at least one porous organometallic skeletal material containing at least one at least bidentate organic compound which is co-ordinately bound to at least one metal ion. The invention also relates to the use of such mixtures, especially in methods for separating materials from a material mixture.
Abstract:
The present invention relates to the use of a porous organometallic skeleton material comprising at least one at least bidentate organic compound bound coordinatively to at least one metal ion, wherein the at least one metal ion, the at least one at least bidentate organic compound or, if present, a further component is a coloring component, as an adsorbent and for permanent colored identification of a filter.
Abstract:
The invention relates to suspensions which are used to reduce odours, containing a metal-organic framework material which is porous in liquid, in addition to an atomiser and to a method for reducing odours by means of said suspensions. The invention also relates to the use of the suspension in order to reduce odours.
Abstract:
The present invention relates to methods for producing a porous, organometallic framework material containing a first and at least one second at least bidentate organic compound coordinatively bound to at least one copper ion, including the following steps: (a) Reaction of a reaction mixture in the liquid phase containing at least one copper compound and the first at least bidentate organic compound with formation of a complex intermediate containing at least one copper ion and the first at least bidentate organic compound, wherein the first at least bidentate organic compound derives from a dicarboxylic acid and has a hydrocarbon framework, and (b) Reaction of the complex intermediate with the at least second at least bidentate organic compound, wherein the at least second at least bidentate organic compound is an optionally substituted monocyclic, bicyclic or polycyclic saturated or unsaturated hydrocarbon in which at least two ring carbon atoms are replaced by heteroatoms selected from the group consisting of N, O and S, wherein the reaction mixture in step (a) has less than a threefold excess amount of 25 formic acid based on the copper used in the copper compound.