Abstract:
The present invention relates to a porous organometallic framework material containing a bidentate organic compound in a dative bond with a metal ion, the metal ion being selected from the group of metals consisting of Al, Fe, and Cr and the bidentate organic compound being derived from a dicarboxylic acid, characterized in that the framework material has a structure the projection of which has along [001] a pattern in which each side of a hexagon is limited by a triangle. The present invention further relates to molds and a method for the production of the porous organometallic framework material and the use thereof.
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:
Procedimiento para la fabricación de un material estructural metalorgánico poroso que comprende la etapa de reacción de una mezcla de reacción en la fase líquida de por lo menos un compuesto de cobre con por lo menos un compuesto orgánico por lo menos bidentado que puede unirse de manera coordinada al cobre, en presencia de un disolvente no acuoso, en el que el por lo menos un compuesto orgánico por lo menos bidentado es un ácido trio tetracarboxílico, produciéndose la reacción bajo presión atmosférica en un intervalo de 90 °C a 150 °C, el compuesto de cobre es uno diferente a nitrato de cobre (II) y seleccionándose el disolvente no acuoso de entre el grupo consistente en alcanol C4-10, dimetilsulfóxido (DMSO), N,N-dimetilformamida (DMF), N,N-dietilformamida (DEF), N,N-dimetilacetamida (DMAc), acetonitrilo, tolueno, dioxano, clorobenceno, metiletilcetona (MEK), piridina, alcano C7-200 dado el caso halogenado, sulfolano, alquilenpolioles, como etilenglicol, polialquilenpolioles, como polietilenglicol, glicerina, N-metilpirrolidona (NMP), gamma-butirolactona, alcoholes alicíclicos como ciclohexanol, cetonas, como acetona o acetilacetona, ciclocetonas, como ciclohexanona, sulfoles o mezclas de ellos .
Abstract:
catalisador e processo para a oxidação de so~ 2~ a so~ 3~, processo para produzir um catalisador para a oxidação de so~ 2~ a so~ 3~. é descrito um catalisador para a oxidação de so~ 2~ a so~ 3~, um processo para produzi-lo e seu uso em um processo para a oxidação de so~ 2~ a so~ 3~. o catalisador compreende substância ativa compreendendo vanádio, compostos de metal alcalino e sulfato aplicados a um suporte compreendendo terras de diatomáceas que ocorrem naturalmente, em que o suporte compreende pelo menos uma terra de diatomáceas não calcinada que ocorre naturalmente relativamente macia que tem uma porcentagem de redução de pelo menos 35% no seu valor d~ 50~ determinado em uma determinação de tamanho de partícula de acordo com o método a seco comparado ao métodoa úmido.
Abstract:
The present invention relates to processes for preparing propene from propane, comprising the steps: A) a feed gas stream a comprising propane is provided; B) the feed gas stream a comprising propane, if appropriate steam and if appropriate and an oxygenous gas stream are fed into a dehydrogenation zone and propane is subjected to a dehydrogenation to propene to obtain a product gas stream b comprising propane, propene, methane, ethane, ethene, hydrogen, if appropriate carbon monoxide, carbon dioxide, steam and oxygen; C) the product gas stream b is cooled, if appropriate compressed and steam is removed by condensation to obtain a steam-depleted product gas stream c; D) the product gas stream c is contacted with a selective adsorbent which adsorbs propene selectively under the selected adsorption conditions to obtain a propene-laden adsorbent and a propene-depleted gas stream d2 comprising propane, methane, ethane, ethene and hydrogen, carbon monoxide and carbon dioxide; E) a propene-comprising gas stream e1 is released from the propane-laden adsorbent by pressure reduction and/or heating of the adsorbent.
Abstract:
Preparation of polyisobutylene having a content of terminal double bonds of more than 50% by polymerizing isobutene using a polymerization catalyst customary therefor from a technical 1-butene-, 2-butene- and isobutene-containing C4 hydrocarbon stream which may comprise up to 3000 ppm by weight, of 1,3-butadiene, by reducing the content of oxygenates in the C4 hydrocarbon stream before the polymerization of the isobutene by contacting it with an inorganic adsorbent at a pressure of from 1 to 20 bar and a temperature of from 20 to 220° C.
Abstract:
Método para la producción de un material estructural organometálico poroso, dado el caso limitado, donde incluye el paso -reacción de una mezcla de reacción en una fase líquida de por lo menos un compuesto metálico con por lo menos un compuesto orgánico por lo menos bidentado, el cual puede estar enlazado al metal de manera coordinada, en presencia de un solvente orgánico no acuoso en presencia de y/o bajo liberación de agua, donde el compuesto orgánico exhibe por lo menos dos átomos elegidos en cada caso independientemente uno de otro de entre el grupo compuesto por oxígeno, azufre y nitrógeno, sobre el cual el compuesto orgánico puede estar ligado sobre el metal de modo coordinado, caracterizado porque durante la reacción se elimina agua de la fase líquida de la mezcla de reacción.
Abstract:
The present invention relates to a process for preparing porous organic frameworks by reaction of a reaction mixture in a liquid phase comprising the appropriate starting compounds in the presence of a nonaqueous organic solvent in the presence of and/or with liberation of water, wherein the latter is withdrawn from the liquid phase of the reaction mixture during the reaction. Here, frameworks having relatively high specific surface areas can be obtained in a reproducible way.