Abstract

The invention relates to a process for the production of 1,3-butadiene comprising reacting a feed comprising ethanol and acetaldehyde in a 1,3-butadiene producing reactor having at least one adiabatic reaction zone. Moreover, the invention relates to a process for the production of 1,3-butadiene from ethanol comprising i. producing acetaldehyde from ethanol in an acetaldehyde producing reactor, and ii. producing 1,3-butadiene from ethanol and acetaldehyde in a 1,3-butadiene producing reactor. The invention further relates to a plant for the production of 1,3-butadiene comprising at least one 1,3-butadiene producing reactor producing 1,3-butadiene from ethanol and acetaldehyde. Finally, the invention relates to a plant for the production of 1,3-butadiene from ethanol, comprising i. an acetaldehyde producing reactor, and ii. a 1,3-butadiene producing reactor.

IPC Classes  ?

• C07C 1/207 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as hetero atoms from carbonyl compounds
• C07C 11/167 - 1,3-Butadiene
• C07C 45/29 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by oxidation of hydroxy groups

Abstract

The invention relates to a process for the production of 1,3-butadiene from ethanol and acetaldehyde with catalyst regeneration comprising a) reacting a feed comprising ethanol and acetaldehyde in a reactor having at least one adiabatic reaction zone comprising a supported catalyst, and b) regenerating the supported catalyst. Regeneration stage b) comprises stripping step i. at a temperature of 300 to 400 °C, ii. first and second combustion steps ii. and iii. at a temperature of 350 to 400 °C and 400 to 550 °C, respectively, and stripping step iv. at a temperature of 550 °C to 300 °C. The gas flows to each of regeneration steps b)i. to b)iv. are first heated and then contact the supported catalyst.

IPC Classes  ?

• B01J 23/22 - Vanadium
• B01J 38/02 - Heat treatment
• B01J 38/24 - Moving bed, e.g. vertically or horizontally moving bulk having mainly transverse, i.e. lateral, flow of oxygen-containing gas and material
• C07C 1/207 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as hetero atoms from carbonyl compounds
• C07C 11/167 - 1,3-Butadiene

Abstract

The invention relates to a process for the production of 1,3-butadiene from a feed comprising ethanol and acetaldehyde in the presence of a supported tantalum catalyst obtainable by aqueous impregnation of the support with a water-soluble tantalum precursor. Furthermore, the present invention relates to a process for the production of a supported tantalum catalyst, and the supported tantalum catalyst. Finally, the invention relates to the use of the supported tantalum catalyst for the production of 1,3-butadiene from a feed comprising ethanol and acetaldehyde to increase one or both of selectivity and yield of the reaction.

IPC Classes  ?

• B01J 23/20 - Vanadium, niobium or tantalum
• B01J 21/08 - Silica
• B01J 35/02 - Solids
• B01J 37/02 - Impregnation, coating or precipitation
• B01J 37/06 - Washing
• B01J 37/08 - Heat treatment
• C07C 1/20 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as hetero atoms
• C07C 11/167 - 1,3-Butadiene
• B01J 23/04 - Alkali metals
• C07C 1/207 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as hetero atoms from carbonyl compounds

Abstract

The invention relates to bissilylamino-functionalized conjugated dienes, their preparation and their use in the production of rubbers. Further, the invention relates to rubbers and rubber compositions, and tires produced therefrom.The functionalized conjugated dienes are selected from the group of compounds of formula (Ia), (Ib), (Ic).

IPC Classes  ?

• B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
• C08F 230/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing germanium
• C08L 47/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bondsCompositions of derivatives of such polymers

Abstract

The invention relates to aminosilyl-functionalized conjugated dienes, their preparation and their use in the production of rubbers. Further, the invention relates to rubbers and rubber compositions, and tires produced therefrom. The functionalized conjugated dienes are selected from the group of compounds of formula (Ilia), (Nib), (lllc)

IPC Classes  ?

• B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
• C08L 9/06 - Copolymers with styrene
• C08F 4/48 - MetalsMetal hydridesMetallo-organic compoundsUse thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides selected from alkali metals selected from lithium, rubidium, caesium, or francium
• C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
• C07F 7/10 - Compounds having one or more C—Si linkages containing nitrogen

Abstract

The present invention relates to mixtures of specific styrene derivatives and their use in the production of an elastomeric copolymer. The styrene derivatives are of the following formula.

IPC Classes  ?

• C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
• B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition

Abstract

1313030-alkyl groups.

IPC Classes  ?

• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
• C08K 5/04 - Oxygen-containing compounds
• C08L 25/06 - Polystyrene
• C08J 9/18 - Making expandable particles by impregnating polymer particles with the blowing agent
• C08J 9/20 - Making expandable particles by suspension polymerisation in the presence of the blowing agent
• C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
• C08J 9/16 - Making expandable particles
• C08J 9/14 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic

Abstract

The invention relates to bissilylaminosilyl-functionalized conjugated dienes of formula (IlIa), (Illb) or (IIIc) (formula IIIa, b, c) and to methods for their preparation. The conjugated dienes of formula (Ilia), (Illb) or (IIIc) are based on terpenes or 4,8-dimethyl-1, 3, 7-nonatriene as starting materials.

IPC Classes  ?

• C07F 7/10 - Compounds having one or more C—Si linkages containing nitrogen
• C07C 17/10 - Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
• C07C 21/215 - Halogenated polyenes with more than two carbon-to-carbon double bonds

Abstract

The invention relates to bissilylaminosilyl-functionalized conjugated dienes and their use in the production of rubbers. Further, the invention relates to rubbers and rubber compositions.

IPC Classes  ?

• C07F 7/10 - Compounds having one or more C—Si linkages containing nitrogen
• B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
• C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons

Abstract

The present invention relates to the use of N,N',N"-substituted hexahydro-1,3,5-triazine in the anionic polymerization of conjugated diene monomer and vinylaromatic monomer. Use of this polar additive produces copolymers having both high vinylaromatic and low vinyl contents, while the blockiness of the vinylaromatic unit can be tailored.

IPC Classes  ?

• C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
• B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
• C08F 212/08 - Styrene
• C08L 9/06 - Copolymers with styrene

Abstract

The invention relates to [bis (trihydrocarbylsilyl) aminosilyl] - functionalized styrene and a method for its preparation. The invention further relates to the use of the styrene derivative in the preparation of a copolymer thereof. The styrene derivative is preferably used as comonomer in the production of elastomeric copolymers. Alternatively, or additionally, it is used in the preparation of a polymerization initiator.

IPC Classes  ?

• C08F 12/26 - Nitrogen
• C07F 7/10 - Compounds having one or more C—Si linkages containing nitrogen
• C08F 212/14 - Monomers containing only one unsaturated aliphatic radical containing one ring substituted by hetero atoms or groups containing hetero atoms
• C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
• C08L 9/06 - Copolymers with styrene

Abstract

The present invention relates to the use of specific styrene derivatives in the production of an elastomeric copolymer. The invention further relates to methods for producing an elastomeric copolymer and an elastomeric copolymer. Moreover, the invention relates to a method for preparing a rubber comprising vulcanizing the elastomeric copolymer, and a rubber as obtainable according to the method. Further, the invention relates to a rubber composition, a tire component comprising the rubber composition, and a tire comprising the tire component.

IPC Classes  ?

• C08F 12/26 - Nitrogen
• C08F 212/14 - Monomers containing only one unsaturated aliphatic radical containing one ring substituted by hetero atoms or groups containing hetero atoms
• C08F 236/10 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl aromatic monomers
• C08F 297/04 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
• C08L 9/06 - Copolymers with styrene
• B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition