CAS: 7543-51-3; Zinc Phosphate Tetrahydrate

相似化合物

7779-90-0 7784-30-7 7789-77-7

专利信息

专利号:US-2020317522-A1
优先权日:2019-04-02
标 题:One-step single heater based flow synthesis setup for synthesis of inorganic particles in near ambient conditions
发明人：CHAUDHRY AQIF ANWAR; IJAZ KASHIF; AKHTAR HAFSAH
权利人:COMSATS UNIV ISLAMABAD
摘要:A flow synthesis system (FSS) based on contamination free PTFE tubing, a pump for pumping requisite solutions and a heater for heating precipitated flow suspensions has been designed. Synthesis, using FSS, eliminates the need for secondary heat-treatments and/or long ageing times required in traditional inorganic synthesis routes. The FSS was used successfully to synthesis calcium phosphates which include phase-pure and ion substituted hydroxyapatite, respectively. Biologically beneficial magnesium, zinc, carbonate and silicon ions were successfully incorporated into hydroxyapatite.

专利号:US-11492259-B2
优先权日:2017-06-26
标题:Method for manufacturing metal phosphate nanoparticles by sub-and supercritical solvothermal synthesis and nanoparticles obtained by this method
发明人：AYMONIER CYRIL; BRUMMERSTEDT IVERSEN BO; PHILIPPOT GILLES; LAU NYBORG BROGE NILS
权利人:CENTRE NAT RECH SCIENT; UNIV BORDEAUX; UNIV OF AARHUS
摘要:A method for manufacturing metal phosphate hydrate nanoparticles wherein metal reactants are selected from metal precursors of transition metals,phosphate precursors are selected from: Trisodium phosphate Na3PO4, disodium phosphate Na2HPO4, phosphoric acid H3PO4 and hypophosphoric acid H4P2O6, wherein said method comprises the following step of a reaction medium comprising at least a metal reactant, a phosphate precursor and a solvent, is submitted to a solvothermal treatment at a pressure superior to 50 MPa, and at a temperature of from 100 to 350° C.

专利号:US-11339098-B2
优先权日:2017-04-05
标题:Preparation method of nanometric size metal oxide additives that reduce the temperature of sinterized and/or increase productivity in the manufacture of ceramic parts, improving mechanical properties without affecting the gresification properties of ceramic bodies, tiles or coatings
发明人：FIX FIERRO CARLOS; ACOSTA GONZÃ?LEZ GUILLERMO ENRIQUE; AGUILERA BUSTOS MÓNICA IBETH; GUTIÉRREZ ANTONIO JOEL
权利人:NANOMATERIALS QUIM AVANZADOS S A DE C V
摘要:The object of this invention is a process for manufacturing, conditioning and stabilization of a family of base additives sodium, potassium, boron, silicon, zinc, calcium oxides, among others, prepared by physicochemical and chemical synthesis methods that form nanometric structures, reformulated with deflocculant, sequestrants and dispersants additives that allow to obtain a dispersion or powder capable to decrease the sintering temperature of a ceramic body due to the high fluxing power, which is maximized by the use of nanotechnology in the structures obtained. The process consists in the preparation of nucleation seeds of metal, silicates and carbonates oxides by means of a physicochemical process, and which allow nanometric structures to grow by means of a chemical process in a chemical synthesis process wet basis of sodium, boron, silicon, zinc, potassium and calcium oxides. The combination of these oxides allows structuring elements of high fluxing power due to their high surface area and physicochemical composition. The additives prepared in this invention are chemically stabilized with deflocculating agents, which allow the additives to be incorporated into the aqueous medium grinding process of the ceramic body. Applications made with the additives of this invention allow the sintering temperature of a red body to be reduced from 1150° C. to 1000° C. and in porcelain bodies from 1180° C. to 1050° C., with the use of 0.2 to 5% of the additive, or increasing the speed of the heat treatment by up to 20%, and it can be used in the manufacture of bathroom fittings, molding parts, components for tooling, coatings, valances, enamels, vitrified pastes and other ceramic components. The present invention proposes several nanostructured additive formulations with high performance fluxing properties, which allow to optimize and standardize the sintering process and to improve the mechanical properties of the ceramic body. It also proposes different methods of application of the additive in ceramic formulations.