CAS: 78-10-4; Tetraethyl Orthosilicate

上下游产品

CAS号64-17-5 乙醇 | CAS号7440-21-3 硅 | CAS号998-30-1 三乙氧基硅烷 | CAS号4667-99-6 三乙氧基氯硅烷 | CAS号109-89-7 二乙胺 | CAS号557-31-3 烯丙基乙基醚 | CAS号10026-04-7 四氯化硅 | CAS号107-05-1 氯丙烯 | CAS号57-13-6 尿素 | CAS号7783-61-1 四氟化硅 | CAS号10602-34-3 丁烯缩醛 | CAS号1070-81-1 ethoxy(trimethy... | CAS号358-60-1 一氟三乙氧基硅烷 | CAS号358-81-6 difluorodiethox... | CAS号4766-57-8 正硅酸丁酯 | CAS号17980-51-7 silicic acid tr... | CAS号4667-99-6 三乙氧基氯硅烷

Potassium Ethoxide置于十二乙氧基五硅氧烷,硅烷体系中,150.0~180.0 °C,101.33 Kpa 条件下,以99%的收率获得产物硅酸四乙酯
参考文献:에틸 실리케이트의 제조방법
标题:에틸 실리케이트의 제조방법
摘要:本发明涉及一种乙基硅酸酯的制备方法.本发明包括将硅金属粉末,钾乙氧基和乙基硅酸酯40混合物投入反应器的步骤,将混合物在常压下,在150~180oc的温度下搅拌4小时~8小时的步骤,将无水乙醇合成到上述混合物中的步骤,将在上述步骤中合成的乙基硅酸酯和未反应的乙醇一起从反应器传输到冷凝器的步骤,将在冷凝器中冷凝的混合物存储在储罐中,将存储在储罐中的混合物传输到蒸馏塔的步骤,通过蒸馏塔分离乙基硅酸酯和乙醇的步骤,其中从分离步骤中分离出的乙醇被接受为储存手段以进行再利用,而乙基硅酸酯则被接受为提取手段的步骤.本发明没有催化剂工艺,因此成本低廉,由于使用了流体化床反应器,因此可以在常压下轻松制备,由于与金属接触的时间变长,因此可以提高产率.

专利信息

专利号:EP-4353356-A1
优先权日:2022-10-14
标题:Bifunctional catalyst formulation for synthesis of dimethylether (dme) from waste carbon dioxide and hydrogen by one-step and the synthesis method thereof
发明人：SEKER EROL; ZAHIDOVA AYSEL; MUTLU VAHIDE NURAN; DELIISMAIL OZGUN; SARRAFI SAHIN; TUNCER BASAK
权利人:SOCAR TURKEY ARASTIRMA GELISTIRME VE INOVASYON A S; IZMIR YUKSEK TEKNOLOJI ENSTITUSU REKTORLUGU
摘要:This invention relates to bifunctional catalyst formulation for synthesis of dimethyl-ether (DME) from waste carbon dioxide (CO₂) and hydrogen (H₂) and the preparation method of this catalyst formulation. In the preparation method, aluminum oxide-silicon dioxide-copper oxide (Al₂O₃-SiO₂-CuO) catalyst mixture formulation is obtained by using the sol-gel method. The catalysts that are the subject of the invention are bifunctional and perform the synthesis of DME from CO₂ and H₂ in a single-step without forming unwanted byproduct of CH₄, and thus, the synthesis of DME can be done much simply and economically. In addition to this, the sol-gel method in the current invention yields the controlled crystallite size of the active component in the catalysts; thus, the active site loss problem due to uncontrolled growth of crystal sizes that occurs in traditional preparation methods is prevented. The catalyst mixture formulation weight percentages are 10%-90% Al2O₃, 10%-90% SiO₂ and 10%-90% CuO.

专利号:US-12383499-B2
优先权日:2018-01-01
标题:Scale up synthesis of silicasome nanocarriers
发明人：NEL ANDRE E; MENG HUAN; LIU XIANGSHENG
权利人:UNIV CALIFORNIA
摘要:In order to facilitate the approval and commercialization of silicasome drug delivery systems (e.g. irinotecan silicasomes) it is necessary to scale up synthesis of the drug-loaded silicasomes. In this regard, it was discovered that the synthesis protocols used for laboratory synthesis of drug-loaded silicasomes (e.g., 500 mg/batch) do not scale to large scale silicasome production, because the resulting products were too heterogeneous for use as pharmaceuticals. Accordingly, new methods are provided herein that effectively afford the large-scale production of mesoporous silica nanoparticles (MSNPs) and lipid bilayer coated MSNPs (silicasomes).

专利号:US-6540970-B1
优先权日:1999-11-18
标题:Method for the synthesis of molecular sieves
发明人：STROHMAIER KARL G; VAUGHAN DAVID E W
权利人:EXXON MOBIL CHEM PATENTS INC
摘要:The present invention provides a method for the synthesis of MeAPO molecular sieves which includes the following steps: providing a source of alumina, a source of phosphorus, water, and a template suitable for forming a MeAPO molecular sieve; providing a source of metal (Me) including metal particles, the metal particles measuring, in their largest dimension, equal to or less than five nanometers; providing a water soluble organic solvent capable of solubilizing the source of metal; forming a synthesis mixture from the source of alumina, the source of phosphorus, the water, the template, the source of metal, and the solvent; and forming a MeAPO molecular sieve from the synthesis mixture.

专利号:US-8110021-B2
优先权日:2008-07-28
标题:Synthesis of PtCo nanoparticles
发明人：ZHONG CHUAN-JIAN; LUO JIN; XU ZHICHAUN; HE TING
权利人:ZHONG CHUAN-JIAN; LUO JIN; XU ZHICHAUN; HE TING; HONDA MOTOR CO LTD; UNIV NEW YORK STATE RES FOUND
摘要:Synthesis of nanoparticles with particle size control is provided by the method of using two different metal-containing precursors, a capping component, an optional reducing agent, and then contacting the two precursors with the capping component to form a reaction solution, which is heated to produce first and second metals-containing nanoparticles. By controlling the ratio of the concentration of the capping component to the total concentration of the two metal-containing precursors, the nanoparticles can have diameters ranging between about 1 nm to about 15 nm. A decrease in the concentration of the capping component typically increases the size of the nanoparticles. Preferred compositions include Pt and Co-containing alloy nanoparticles. Controlled synthesis of larger, about 6 nm to about 12 nm, sized nanoparticles can be achieved in a solvent-free reaction process.

专利号:US-10661239-B2
优先权日:2016-04-29
标 题 :Catalytic reactor configuration, preparation and method of direct synthesis of ethylene through oxygen-free catalysis of methane
发明人：BAO XINHE; GUO XIAOGUANG; FANG GUANGZONG; PAN XIULIAN; MENG JINGHENG; YU QINQIN; TAN DALI
权利人:DALIAN INST CHEM & PHYSICS CAS
摘要:A reactor configuration comprises an inlet section I, a preheating section II, a transition section III, a reaction section IV and an outlet section V; except for the preheating section II and the reaction section IV, the existence of the inlet section I, the transition section III and the outlet section V depends on reaction conditions; and the process realizes no coke deposition synthesis of methane and high selectivity synthesis of ethylene. The methane conversion rate is 20-90%; ethylene selectivity is 65-95%; propylene and butylene selectivity is 5-25%; aromatic hydrocarbon selectivity is 0-30%; and coke deposition is zero.

专利号:US-2004146445-A1
优先权日:2001-04-04
标题:Methods, compositions, and bi-functional catalysts for synthesis of silica, glass, silicones
发明人：MORSE DANIEL E; ZHOU YAN; STUCKY GALEN D
摘要:Unique catalyst compositions and methods of using the compositions wherein the catalysts include a nucleophilic functionality and a hydrogen-bonding acceptor group and are used in the synthesis of silica, glass, silicones, and polymetallooxanes at low temperatures and at about neutral pH.