会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明公开
    • 카르보닐기 함유 화합물의 수소화 또는 사이클로알콜의탈수소화 반응에 유용한 구리-실리카 촉매 및 이의 제조방법
    • 用于加氢处理含碳基化合物或环己醇脱氢的二氧化硅催化剂及其制备方法
    • KR1020030012738A
    • 2003-02-12
    • KR1020010047151
    • 2001-08-04
    • 한국화학연구원에이케이홀딩스 주식회사
    • 이정호김형록한요한신현관최낙모우항수김인기김성재주동균
    • B01J23/72B01J21/08B82Y30/00
    • B01J23/72B01J37/038B01J37/06B01J37/08C07C29/149C07C45/002
    • PURPOSE: A preparation method of silica stabilized copper catalyst used in hydrogenating or dehydrogenating organic compounds is provided, and the catalyst prepared by the method is provided. CONSTITUTION: The preparation method of Cu/SiO2 catalyst comprises the steps of (a) preparing a slurry solution of copper hydroxide by adding a precipitant solution to an aqueous copper salt solution; (b) preparing a copper hydroxide-silica slurry solution by stirring the mixed solution after adding a colloidal silica solution to the slurry solution; (c) separating sediments from the solution and cleaning the sediment after aging the copper hydroxide-silica slurry solution at a temperature of 50 to 100 deg.C; and (d) drying and baking the cleaned sediment, wherein the precipitant is carbonate or hydroxide of alkaline metal, a weight ratio of copper oxide (CuO) to silica (SiO2) of catalyst is 9:1 to 3:7, the colloidal silica is stabilized by ammonium (NH4¬+), Na¬+ or other alkali metal, has a particle size of 4 to 60 nm, surface area of 100 to 300 m¬2/g and concentration of 5 to 60 wt.% on the basis of silica, and the aging is performed at a temperature of 60 to 90 deg.C for 0.5 to 24 hours.
    • 目的:提供用于氢化或脱氢有机化合物的二氧化硅稳定的铜催化剂的制备方法,并提供通过该方法制备的催化剂。 构成:Cu / SiO2催化剂的制备方法包括以下步骤:(a)通过向铜盐水溶液中加入沉淀剂溶液制备氢氧化铜浆液; (b)通过在将浆料溶液中加入胶体二氧化硅溶液之后搅拌混合溶液制备氢氧化铜 - 二氧化硅浆料溶液; (c)在50至100℃的温度下,将氢氧化硅 - 二氧化硅浆料溶液老化后,从溶液中分离出沉淀物并清洗沉淀物; 和(d)干燥和烘烤清洁的沉淀物,其中沉淀剂是碱金属的碳酸盐或氢氧化物,催化剂的氧化铜(CuO)与二氧化硅(SiO 2)的重量比为9:1至3:7,胶体二氧化硅 由铵(NH 4 +),Na +或其它碱金属稳定,粒径为4〜60nm,表面积为100〜300m2 / g,浓度为5〜60wt。% 二氧化硅的基础,老化在60〜90℃的温度下进行0.5〜24小时。
    • 4. 发明授权
    • 카르보닐기 함유 화합물의 수소화 또는 사이클로알콜의탈수소화 반응에 유용한 구리-실리카 촉매 및 이의 제조방법
    • 카르보닐기함유화합물의수소화또는사이클로알콜의탈수소화반응에유용한구리 - 실리카촉매및이의제조방
    • KR100431898B1
    • 2004-05-17
    • KR1020010047151
    • 2001-08-04
    • 한국화학연구원에이케이홀딩스 주식회사
    • 이정호김형록한요한신현관최낙모우항수김인기김성재주동균
    • B01J23/72B01J21/08B82Y30/00
    • PURPOSE: A preparation method of silica stabilized copper catalyst used in hydrogenating or dehydrogenating organic compounds is provided, and the catalyst prepared by the method is provided. CONSTITUTION: The preparation method of Cu/SiO2 catalyst comprises the steps of (a) preparing a slurry solution of copper hydroxide by adding a precipitant solution to an aqueous copper salt solution; (b) preparing a copper hydroxide-silica slurry solution by stirring the mixed solution after adding a colloidal silica solution to the slurry solution; (c) separating sediments from the solution and cleaning the sediment after aging the copper hydroxide-silica slurry solution at a temperature of 50 to 100 deg.C; and (d) drying and baking the cleaned sediment, wherein the precipitant is carbonate or hydroxide of alkaline metal, a weight ratio of copper oxide (CuO) to silica (SiO2) of catalyst is 9:1 to 3:7, the colloidal silica is stabilized by ammonium (NH4¬+), Na¬+ or other alkali metal, has a particle size of 4 to 60 nm, surface area of 100 to 300 m¬2/g and concentration of 5 to 60 wt.% on the basis of silica, and the aging is performed at a temperature of 60 to 90 deg.C for 0.5 to 24 hours.
    • 目的:提供一种用于有机化合物加氢或脱氢的二氧化硅稳定的铜催化剂的制备方法,并提供该方法制备的催化剂。 构成:Cu / SiO2催化剂的制备方法包括以下步骤:(a)通过向铜盐水溶液中加入沉淀剂溶液制备氢氧化铜浆液; (b)在将所述胶体二氧化硅溶液加入到所述浆液中之后搅拌所述混合溶液来制备氢氧化铜 - 二氧化硅浆液; (c)在50-100℃的温度下老化氢氧化铜 - 二氧化硅浆液后,从溶液中分离沉淀物并清洗沉淀物; (d)将清洗过的沉淀物干燥并烘干,其中沉淀剂为碱金属碳酸盐或氢氧化物,氧化铜(CuO)与催化剂二氧化硅(SiO2)的重量比为9:1至3:7,胶体二氧化硅 由铵(NH 4 +; +)稳定,Na +或其它碱金属具有4-60nm的粒径,100-300m 2 / g的表面积和5-60重量%的浓度 以二氧化硅为基准,老化在60〜90℃的温度下进行0.5〜24小时。
    • 10. 发明公开
    • 무수말레인산으로부터 감마-부티로락톤을 제조하는 기상수소화 촉매, 그 촉매의 제조 방법 및 그 촉매를 사용하여감마-부티로락톤의 제조 방법
    • 用于从非水性马来酸生产丁酮的气相氢化催化剂,其制备方法和使用相同催化剂的丁酮的制备方法
    • KR1020020008600A
    • 2002-01-31
    • KR1020000042410
    • 2000-07-24
    • 한국화학연구원에이케이홀딩스 주식회사
    • 이정호김형록한요한신현관김정곤우항수김인기김성재주동균
    • B01J23/78C07D307/32B01J23/72
    • B01J23/8926B01J23/78B01J23/835B01J23/8896B01J37/0009B01J37/08C07D307/33
    • PURPOSE: A catalyst suitable for producing γ-butyrolactone from anhydrous maleic acid under mild reaction conditions with high selectivity and yield. γ-butyrolactone, used to prepare solvents such as pyrrolidone or N-methylpyrrolidone and also used as an intermediate to synthesize N-vinylpyrrolidone, polyvinylpyrrolidone, butanediol and tetrahydrofuran, is widely used over various industries, including pesticides, drugs, dyes, petrochemicals and electronic chemicals. CONSTITUTION: The catalyst is represented by the chemical formula 1, £CuO(a)· SiO2(b)|(100-x)M(x), where M is one or more oxides selected from Re, Ag, Sn, N, K, Mg and Ca; 'a' is an integer of 20 to 99; 'b' is an integer of 1 to 80; and 'x' ranging from 0.001 to 5 represents weight percentage. Further, CuO occupies preferably 50-95wt.% in total weight of CuO and SiO2. The catalyst is prepared by (i) addition of colloidal silica having a surface area of 100-300m¬2, a hydrogen-ion concentration of pH8-10 in a copper salt solution; (ii) coprecipitation of the mixture solution with an addition of an alkali solution followed by hydrothermal aging; (iii) washing the hydrothermally aged solution with deionized water after filtration, and then drying; (iv) supporting CuO catalyst with the precursor of M (referred in chemical formula I) in such a manner that M is supported into the CuO catalyst being dissolved in an organic solvent or water. According to the present invention, γ-butyrolactone is manufactured by after activating the present catalyst, supplying a gaseous mixture of anhydrous maleic acid and hydrogen in the presence of the activated catalyst, and then reacting at 220-350deg.C under a pressure of normal pressure to 20atm.
    • 目的:一种适用于在温和反应条件下从无水马来酸生产γ-丁内酯的催化剂,具有高选择性和产率。 用于制备溶剂如吡咯烷酮或N-甲基吡咯烷酮的γ-丁内酯,也用作合成N-乙烯基吡咯烷酮,聚乙烯吡咯烷酮,丁二醇和四氢呋喃的中间体,广泛应用于各种行业,包括农药,药物,染料,石油化工和电子 化学品。 构成:催化剂由化学式1代表,CuO(a)·SiO2(b)|(100-x)M(x),其中M是一种或多种选自Re,Ag,Sn,N, K,Mg和Ca; 'a'是20到99的整数; 'b'为1〜80的整数。 而“x”的范围从0.001到5表示重量百分数。 此外,CuO优选占CuO和SiO 2总重量的50-95wt。%。 催化剂通过以下步骤制备:(i)在铜盐溶液中加入表面积为100-300m 2的胶体二氧化硅,pH8-10的氢离子浓度; (ii)通过加入碱溶液然后水热老化使混合溶液共沉淀; (iii)过滤后用去离子水洗涤水热老化溶液,然后干燥; (iv)以M的前体(化学式I所述)负载CuO催化剂,使得M被负载到溶解在有机溶剂或水中的CuO催化剂中。 根据本发明,通过活化本催化剂,在活化催化剂存在下,供给无水马来酸和氢气的气体混合物,然后在220-350℃,在正常压力下反应制备γ-丁内酯 压力为20atm。