LIMITED LIABILITY COMPANY "UNITED RESEARCH AND DEVELOPMENT CENTRE" (Russie)
Inventeur(s)
Protasov, Oleg Nikolaevich
Mamonov, Nikolay Aleksandrovich
Grigoriev, Dmitriy Aleksandrovich
Mikhailov, Mikhail Nikolaevich
Alkhimov, Sergey Anatolievich
Abrégé
The invention relates to petroleum chemistry, gas chemistry and carbon chemistry and concerns Fischer-Tropsch synthesis, in particular, a method for producing a catalyst from the synthesis of liquid hydrocarbons by the Fischer-Tropsch method. The method consists in that a cobalt-containing catalyst from Fischer-Tropsch synthesis is mixed with zeolite, the mixture is granulated and subjected to ion exchange in a solution of palladium salts or metals of an iron subgroup, and is activated in a stream of hydrogen. The catalyst produced and activated in accordance with the method being described is no less effective for the synthesis of liquid hydrocarbons by the Fischer-Tropsch method than catalysts produced by ion exchange with palladium compounds and activated by other methods known in the art.
C07C 1/04 - Préparation d'hydrocarbures à partir d'un ou plusieurs composés, aucun d'eux n'étant un hydrocarbure à partir d'oxydes de carbone à partir de monoxyde de carbone avec de l'hydrogène
LIMITED LIABILITY COMPANY "UNITED RESEARCH AND DEVELOPMENT CENTRE" (Russie)
Inventeur(s)
Protasov, Oleg Nikolaevich
Alkhimov, Sergey Anatolievich
Grigoriev, Dmitriy Aleksandrovich
Mikhaylov, Mikhail Nikolaevich
Abrégé
The invention relates to petroleum chemistry, gas chemistry and carbon chemistry and concerns Fischer-Tropsch synthesis, in particular, a method for producing and subsequently activating a cobalt catalyst from Fischer-Tropsch synthesis. The activation method consists in that the catalyst is contacted with a hydrogen-containing gas or with a mixture of carbon monoxide and hydrogen in a process of converting same into hydrocarbons at Fischer-Tropsch synthesis temperatures. The catalyst produced and activated in accordance with the method being described is no less effective than catalysts produced and activated by other methods known in the art.
B01J 37/00 - Procédés de préparation des catalyseurs, en généralProcédés d'activation des catalyseurs, en général
B01J 21/00 - Catalyseurs contenant les éléments, les oxydes ou les hydroxydes du magnésium, du bore, de l'aluminium, du carbone, du silicium, du titane, du zirconium ou du hafnium
B01J 35/02 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides
C07C 1/04 - Préparation d'hydrocarbures à partir d'un ou plusieurs composés, aucun d'eux n'étant un hydrocarbure à partir d'oxydes de carbone à partir de monoxyde de carbone avec de l'hydrogène
3.
METHOD FOR PRODUCING POLYDICYCLOPENTADIENE AND MATERIALS BASED THEREON
LIMITED LIABILITY COMPANY "UNITED RESEARCH AND DEVELOPMENT CENTRE" (Russie)
Inventeur(s)
Yumasheva, Tatyana Modestovna
Afanasiev, Vladimir Vladimirovich
Masloboyschkova, Olga Vasilievna
Shutko, Egor Vladimirovich
Bespalova, Natalya Borisovna
Abrégé
The invention is directed at producing polymer materials that are based on polydicyclopentadiene and exhibit improved physical and mechanical and organoleptic characteristics which significantly broaden the scope of use of said materials. The aim of the invention is to make it possible to control the polymerization starting time, reduce catalyst consumption and improve the physical and mechanical properties of the resulting product. This is achieved in that, in order to polymerize a mixture of dicyclopentadiene and modifying additives, a catalyst having the general formula shown above is used, which catalyst is added to the mixture with a molar ratio of the catalyst to dicyclopentadiene ranging from 1:70000 to 1:100000. Polymerization is carried out at temperatures ranging from 30 to 200°C. Furthermore, the modifying additives are activated by the catalyst and participate in polymerization.
C08F 132/06 - Homopolymères de composés cycliques ne contenant pas de radicaux aliphatiques non saturés dans une chaîne latérale et contenant une ou plusieurs liaisons doubles carbone-carbone dans un système carbocyclique ne contenant pas de cycles condensés contenant plusieurs doubles liaisons carbone-carbone
C08G 61/08 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aliphatiques préparés par ouverture du cycle des composés carbocycliques des composés carbocycliques contenant une ou plusieurs doubles liaisons carbone-carbone dans le cycle
C08F 4/80 - MétauxHydrures métalliquesComposés organiques de métalLeur utilisation comme précurseurs de catalyseurs choisis parmi les métaux non prévus dans le groupe choisis parmi les métaux du groupe du fer ou les métaux du groupe du platine
B01J 23/46 - Ruthénium, rhodium, osmium ou iridium
LIMITED LIABILITY COMPANY "UNITED RESEARCH AND DEVELOPMENT CENTRE" (Russie)
Inventeur(s)
Afanasiev, Vladimir Vladimirovich
Dolgina, Tatyana Modestovna
Bespalova, Natalya Borisovna
Abrégé
The invention relates to catalysis and to the production of dicyclopentadiene metathesis polymerisation catalysts. A polymerisation catalyst of formula (I), wherein L is a substituent selected form a group (2), is claimed. The method for producing the catalyst of formula (I), where L:N1-N5, involves reacting a second generation Grubbs' catalyst with N,N-dialkyl-(2-vynilbenzyl)amine or with 1-(2-vynilbenzyl)pyrrolidine or with 4-(2-vynilbenzyl) morpholine in inert atmosphere at 60-85°C in the presence of solvent; wherein dialkyl is methylethylene- or methyl(methoxyethylene). A method for producing the catalyst of CH3 formula (I), where L:N1-N5 or N 〈, is also disclosed, which method involves interacting CH3 triphenylphosphine complex with 1,1-diphenyl-2-propine-1-ol in tetrahydrofurane at the solvent boiling point in inert atmosphere, then with tricyclohexylphosphine at a room temperature in inert atmosphere, separating the thus formed indenyliden ruthenium complex, successively interacting said complex in one reactor with 1,3-bis-(2,4,6-trimethylphenyl)-2-trichloromethylimidazolidino and 2(dialkylaminomethyl)styrene or with 1-(2-vynilbenzyl)pyrrolidine or with 4-(2-vynilbenzyl) morpholine in toluol at a temperature of 60-70°C in inert atmosphere, wherein dialkyl is dimethyl, diethyl- or methyl- or methyl(2-methoxyethyl)-. A method of dicyclopentadiene metathesis polymerisation using the above-described catalyst is also disclosed. The technical result consists in increasing the catalyst yield and in producing the dicyclopentadiene exhibiting high consumer properties.
C08F 4/80 - MétauxHydrures métalliquesComposés organiques de métalLeur utilisation comme précurseurs de catalyseurs choisis parmi les métaux non prévus dans le groupe choisis parmi les métaux du groupe du fer ou les métaux du groupe du platine
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 du tableau périodique
B01J 23/46 - Ruthénium, rhodium, osmium ou iridium
B01J 31/18 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des complexes de coordination contenant de l'azote, du phosphore, de l'arsenic ou de l'antimoine
C08F 32/00 - Homopolymères ou copolymères de composés cycliques ne contenant pas de radicaux aliphatiques non saturés dans une chaîne latérale et contenant une ou plusieurs liaisons doubles carbone-carbone dans un système carbocyclique
C08G 61/08 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aliphatiques préparés par ouverture du cycle des composés carbocycliques des composés carbocycliques contenant une ou plusieurs doubles liaisons carbone-carbone dans le cycle
LIMITED LIABILITY COMPANY 'UNITED RESEARCH AND DEVELOPMENT CENTRE' (Russie)
Inventeur(s)
Nizovtsev, Aleksei Vadimovich
Shutko, Egor Vladimirovich
Afanasiev, Vladimir Vladimirovich
Dolgina, Tatyana Modestovna
Bespalova, Natalya Borisovna
Abrégé
The invention relates to organic synthesis, in particular to producing a homogeneous catalyst for obtaining acrylic acid ethers according to a metathesis reaction of maleates with ethylene. The invention discloses two catalyst variants for producing acrylic acid ethers according to a metathesis reaction of dialkylmaleates with ethylene, i.e. a catalyst of formula (I) and a catalyst of formula (II). The use of said catalysts makes it possible to increase the number of circuitings thereof in the metathesis reaction of dialkylmaleate with ethylene at moderate temperatures (near 50°C) when carrying out a process without product stripping and at temperatures near 120°C when the obtained acrylate is stripped from a reaction mixture. A catalytic composition which makes it possible to increase the number of circuitings and the service life of a catalyst and which is highly efficient at temperatures near 120°C, when the thus obtained acrylate is stripped from a reaction mixture, is also disclosed. The inventive composition contains the above-mentioned catalyst and 2-isopropoxystyrene or the derivatives thereof at a ratio of 1 catalyst molar equivalent to 5-100 molar equivalents of 2-isopropoxystyrene or the derivatives thereof.
B01J 31/16 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des complexes de coordination
B01J 23/46 - Ruthénium, rhodium, osmium ou iridium
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 du tableau périodique
C07C 67/347 - Préparation d'esters d'acides carboxyliques par modification de la partie acide de l'ester sans introduction d'un groupe ester par isomérisationPréparation d'esters d'acides carboxyliques par modification de la partie acide de l'ester sans introduction d'un groupe ester par modification de la taille du squelette carboné par augmentation du nombre d'atomes de carbone par addition à des liaisons non saturées carbone-carbone
6.
METHOD FOR PRODUCING FILM COATINGS BY MEANS OF LASER ABLATION
LIMITED LIABILITY COMPANY 'UNITED RESEARCH AND DEVELOPMENT CENTRE' (Russie)
Inventeur(s)
Mordkovich, Vladimir Zalmanovich
Maslov, Igor Alexandrovich
Kamenev, Anton Alexandrovich
Abrégé
The invention relates to producing films, coatings, catalyst application and to producing fine powders. The inventive method for producing film coatings by means of laser ablation consists in exposing a target surface to laser ablation in such a way that a particle jet directed to a substrate is formed, wherein the target is offset with respect to the laser radiation focus along at least two co-ordination axes one of which coincides with the radiation direction. The target is offset at a distance ranging from 1 to 5 mm with respect to the focus along the axis coinciding with the radiation direction and at a distance equal to or less than 1mm along the axis perpendicular to the first axis. The inventive method makes it possible to increase the rate of material deposition during the laser ablation by forming a narrow-directed highly-efficient jet which enables the film or coating to be applied to a large surface areas, to produce powders and to exclude the use of vacuum chambers for producing coatings.