CAS: 23519-77-9; Propan-1-Olate,Zirconium(4+)

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CAS号7440-67-7 锆

专利信息

专利号:WO-2023036838-A1
优先权日:2021-09-07
标题:Process for preparing starting compounds intended for the synthesis of an ammine metal borohydride
发明人：HAJIYEV PARVIZ; NGUYEN HUYNH DUC
权利人:COMMISSARIAT ENERGIE ATOMIQUE
摘要:Process for preparing a metal hydride of formula AxMHx+m and a borane compound BH3, starting from a product of formula AxM(BNH)x+m, wherein: A is an alkali metal, M is a metal different from an alkali metal, 0 ≤ x ≤10, in particular 0 ≤ x ≤ 2 m>0, the process comprising: aT) reacting the metal hydride of formula AxM(BNH)x+m with ammonia such as obtain an ammoniated product of formula AxM(NH2)x+m and a hydrogenated boron nitride compound BNH, a' 2) the hydrogenation of the ammoniated product of formula AxM(NH2)x+m such as to obtain an metal hydride of formula AxMHx+m, the process further comprising the separation of the hydrogenated boron nitride compound BNH from the ammoniated product of formula AxM(NH2)x+m before step a' 2) or from the metal hydride of formula AxMHx+m after step a' 2), and b) the synthesis of the borane compound BH3, from the hydrogenated boron nitride compound BNH, the synthesis comprising: - a digestion reaction of the boron nitride compound BNH in a gaseous atmosphere containing, even consisting in, an anhydrous hydrogen halide acid gas comprising at least one halogen element Y, such as to produce a boron halide BY3, Y being preferably chlorine Cl, - a hydrodehalogenation of the boron halide, in a hydrogen gas atmosphere to obtain the borane compound BH3.

专利号:WO-2023036831-A1
优先权日:2021-09-07
标 题:Process for preparing starting compounds intended for the synthesis of an ammine metal borohydride
发明人：HAJIYEV PARVIZ; NGUYEN HUYNH DUC
权利人:COMMISSARIAT ENERGIE ATOMIQUE
摘要:Process for preparing a metal hydride of formula AxMHx+m and a borane compound BH3, starting from a product of formula AxM(BNH)x+m, wherein: A is an alkali metal, M is a metal different from an alkali metal, 0 ≤ x ≤10, in particular 0 ≤ x ≤ 2 m>0, the process comprising: a) contacting the product of formula AxM(BNH)x+m with a catalyst comprising a transition metal in solution in an aprotic polar solvent, such as to separate the metal hydride of formula AxMHx+m and a hydrogenated boron nitride compound BNH, b) the synthesis of the borane compound BH3, from the hydrogenated boron nitride compound BNH, the synthesis comprising: - a digestion reaction of the boron nitride compound BNH in a gaseous atmosphere containing, even consisting in, an anhydrous hydrogen halide acid gas comprising at least one halogen element Y, such as to produce a boron halide BY3, Y being preferably chlorine Cl, - a hydrodehalogenation of the boron halide, in a hydrogen gas atmosphere to obtain the borane compound BH3.

专利号:US-10106432-B2
优先权日:2013-05-09
标 题:Sol-gel process for synthesis of nanocrystalline oxides
发明人：DARBHA VENKATA RAVI KUMAR; BHAGAVATULA LAKHSMI VARA PRASAD; KULKARNI AMOL ARVIND
权利人:COUNCIL SCIENT IND RES
摘要:A Continuous flow synthesis of nanocrystalline metal oxides by rapid sol-gel process is disclosed. The process disclosed uses an impinging microjet micromixer device to obtain the nano crystalline metal oxides. A method of fabricating and assembling the impinging microjet micromixer is also disclosed herewith.

专利号:US-5342809-A
优先权日:1992-04-08
标 题:Process for the synthesis of fluoride glass by the sol - gel method and optical fibre produced from the fluoride glass obtained according to this process
发明人：POULAIN MARCEL; SAAD MOHAMMED
权利人:FRANCE TELECOM
摘要:The present invention relates to a process for the synthesis of fluoride glass by the sol-gel method. The object of the invention is to synthesize an impurity-free fluoride glass. This object is achieved with the aid of a process having stages consisting of preparing a wet oxygenated gel from precursors containing all the cations constituting said fluoride glass, hydrolyzing said gel, drying said gel and in which the process is characterized in that it also comprises the stage consisting of treating said oxygenated gel by a fluorinating agent in the vapour phase, at a temperature below the glass crystallization point. This process more particularly makes it possible to produce fluoride glass for optical fibres.

专利号:US-2006229475-A1
优先权日:2005-04-11
标题:Synthesis of hydroxylated hydrocarbons
发明人：WEISS MICHAEL J; SUN SHOULI
权利人:WEISS MICHAEL J; SUN SHOULI
摘要:Ethylene glycol, other diols, triols, and polyols are made in an efficient manner by reacting dibromides with water in the presence of a metal oxide. An integrated process of dibromide formation, alcohol synthesis, metal oxide regeneration, and bromine recycling is also provided.

专利号:US-6639099-B1
优先权日:1999-08-27
标题 :Process for synthesis of Di(meth)acrylic acid esters
发明人：KNEBEL JOACHIM; CARL JOACHIM; GRAEFF GUENTER; WITTKOWSKI ANDREA
权利人:ROEHM GMBH
摘要:A process for the synthesis and recovery of di(meth)acrylic acid esters at a high degree of purity. Di(meth)acrylic acid esters are produced by transesterfication of (meth)acrylic acid esters of C1 to C4 alcohols with 1,n-diols (where n>=3) in the presence of a zirconium catalyst that comprises a chelate of zirconium with a 1,3-dicarbonyl compound. These catalysts can be readily separated or removed from the reaction mixture by precipitation with phosphoric acid, thus providing a convenient and inexpensive method of producing a di(meth)acrylic acid ester with a reduced level of zirconium.