CAS: 10102-24-6; Silicic Acid, Dilithium Salt

专利信息

专利号:US-7601318-B2
优先权日:2000-09-26
标 题:Method for synthesis of carbon-coated redox materials with controlled size
发明人：ARMAND MICHEL; GAUTHIER MICHEL; MAGNAN JEAN-FRANCOIS; RAVET NATHALIE
权利人:HYDRO QUEBEC; CENTRE NAT RECH SCIENT; UNIV MONTREAL
摘要:A method for the synthesis of compounds of the formula C—Li x M 1−y M′ y (XO 4 ) n , where C represents carbon cross-linked with the compound Li x M 1−y M′ y (XO 4 ) n , in which x, y and n are numbers such as 0≦x≦2, 0≦y≦0.6, and 1≦n≦1.5, M is a transition metal or a mixture of transition metals from the first period of the periodic table, M′ is an element with fixed valency selected among Mg 2+ , Ca 2+ , Al 3+ , Zn 2+ or a combination of these same elements and X is chosen among S, P and Si, by bringing into equilibrium, in the required proportions, the mixture of precursors, with a gaseous atmosphere, the synthesis taking place by reaction and bringing into equilibrium, in the required proportions, the mixture of the precursors, the procedure comprising at least one pyrolysis step of the carbon source compound in such a way as to obtain a compound in which the electronic conductivity measured on a sample of powder compressed at a pressure of 3750 Kg·cm −2 is greater than 10 −8 S·cm −1 . The materials obtained have excellent electrical conductivity, as well a very improved chemical activity.

专利号:US-2014255328-A1
优先权日:2013-03-11
标 题:Hydrothermal Synthesis of Zinc Phlogopite
发明人：MCGUIRE MEAGHAN CLARK; BULL IVOR; JOHNSON GEOFFREY MARK
权利人:BASF SE
摘要:This invention relates to a synthetically derived zinc phlogopite platelets, of superior platelet diameter, effect pigments comprising such synthetically derived platelets and methods of forming said substrates. More specifically the disclosure describes an improved hydrothermal synthesis of zinc phlogopite suitable as a platelets for interference pigments, barrier and flame retardant applications.

专利号:US-5308808-A
优先权日:1992-02-19
标题 :Organic or organometallic template mediated clay synthesis
发明人：GREGAR KATHLEEN C; WINANS RANDALL E; BOTTO ROBERT E
权利人:US ENERGY
摘要:A method for incorporating diverse Varieties of intercalants or templates directly during hydrothermal synthesis of clays such as hectorite or montmorillonite-type layer-silicate clays. For a hectorite layer-silicate clay, refluxing a gel of silica sol, magnesium hydroxide sol and lithium fluoride for two days in the presence of an organic or organometallic intercalant or template results in crystalline products containing either (a) organic dye molecules such as ethyl violet and methyl green, (b) dye molecules such as alcian blue that are based on a Cu(II)-phthalocyannine complex, or (c) transition metal complexes such as Ru(II)phenanthroline and Co(III)sepulchrate or (d) water-soluble porphyrins and metalloporphyrins. Montmorillonite-type clays are made by the method taught by U.S. Pat. No. 3,887,454 issued to Hickson, Jun. 13, 1975; however, a variety of intercalants or templates may be introduced. The intercalants or templates should have (i) water-solubility, (ii) positive charge, and (iii) thermal stability under moderately basic (pH 9-10) aqueous reflux conditions or hydrothermal pressurized conditions for the montmorillonite-type clays.

专利号:US-12338129-B2
优先权日:2018-12-21
标题 :Synthesis of hectorite-type mineral
发明人：LU JIE; YIP BENJAMIN; GREENE MICHAEL
权利人:IMERYS USA INC
摘要:A method of making a synthetic hectorite-type mineral is described, along with its resulting physical and rheological properties. The synthetic hectorite-type mineral is a 2:1 phyllosilicate essentially free of aluminum, and having a trioctahedral structure with Mg2+ and Li+ occupying octahedral sites. As a hydrogel, the synthetic hectorite-type mineral has a swell index of greater than 55 mL, and a yield point of greater than 290 Pa. The method of making uses a MgO/MgCO3 buffer system, with heating for about 2 hours at temperatures of no higher than 300° C. and pressures of no higher than 600 psi.

专利号:US-2007100183-A1
优先权日:2005-10-27
标题 :Alkylation of aromatic compounds
发明人：HARMER MARK A; JUNK CHRISTOPHER P; VICKERY JEMMA; SCHNEPP ZOE
权利人:HARMER MARK A; JUNK CHRISTOPHER P; VICKERY JEMMA; SCHNEPP ZOE
摘要:The present invention relates to the synthesis of alkylated aromatic compounds. Alkylated aromatic compounds are synthesized by reacting an aromatic compound with a monoolefin in the presence of a porous microcomposite comprising at least one fluorinated sulfonic acid on silica.

专利号:US-10301185-B2
优先权日:2014-10-15
标 题:Solidothermal synthesis of zeolitic materials and zeolites obtained therefrom
发明人：MAURER STEFAN; Müller Ulrich; XIAO FENG-SHOU; MENG XIANGJU; WU QINMING
权利人:BASF SE
摘要:The present invention relates to a process for the preparation of a zeolitic material comprising YO 2 in its framework structure, wherein Y stands for a tetravalent element, wherein said process comprises the steps of:n (1) providing a mixture comprising one or more sources for YO 2 , one or more fluoride containing compounds, and one or more structure directing agents; (2) crystallizing the mixture obtained in step (1) for obtaining a zeolitic material comprising YO 2 in its framework structure;n nwherein the mixture provided in step (1) and crystallized in step (2) contains 35 wt.-% or less of H 2 O based on 100 wt.-% of YO 2 contained in the mixture provided in step (1) and crystallized in step (2), as well as to a zeolitic material comprising YO 2 in its framework structure obtainable and/or obtained according to said process, and to a zeolitic material per se comprising SiO 2 in its framework structure, wherein in the 29 Si MAS NMR spectrum of the as-synthesized zeolitic material the ratio of the total integration value of the peaks associated to Q3 signals to the total integration value of the peaks associated to Q4 signals is in the range of from 0:100 to 20:80, including the use of the aforementioned zeolitic materials.