-
-
-
公开(公告)号：KR1020070008942A
公开(公告)日：2007-01-18
申请号：KR1020050063515
申请日：2005-07-14
Applicant: 한국화학연구원
CPC classification number: C01G23/006 , C01B37/02 , C01B39/00 , C01B39/40 , C01B39/54 , C01G53/04 , C01P2002/34 , C01P2002/72 , C01P2006/12
Abstract: A method and an apparatus for continuous production of porous materials and mixed metal oxides are provided to develop a technology for continuous production of materials including porous materials and mixed metal oxides such that the production process is stable, and temperature and pressure are easily controlled, and develop a reaction system enabling synthesis of such materials. An apparatus for continuous production of porous materials and mixed metal oxides comprises: a pump for continuously supplying reactants into the tubular reactors; tubular reactors(30) that do not have connection parts areas on which a microwave is irradiated; microwave generators(32) for scanning a microwave onto the tubular reactors; and a pressure measuring and controlling device for controlling pressure of the reactors by measuring pressure of gas after separating solid and liquid from a mixture of products. The apparatus further comprises a preheater for preheating reactants continuously supplied by the pump before the reactants are supplied into the tubular reactors. Two or more of the tubular reactors are connected to one another in series or in parallel. The non-microwave irradiated connection parts of the tubular reactors have connection parts on which temperature sensors(33), pressure sensors(35) and ruptures(34) are installed.
Abstract translation: 提供连续生产多孔材料和混合金属氧化物的方法和装置，以开发用于连续生产包括多孔材料和混合金属氧化物的材料的技术，使得生产工艺稳定，并且容易控制温度和压力，以及 开发能够合成这种材料的反应体系。 用于连续生产多孔材料和混合金属氧化物的设备包括：用于将反应物连续地供应到管式反应器中的泵; 管状反应器（30），其不具有照射微波的连接部分区域; 用于将微波扫描到管式反应器上的微波发生器（32） 以及压力测量和控制装置，用于通过在从固体和液体混合物中分离固体和液体之后测量气体的压力来控制反应器的压力。 该设备还包括预热器，用于在将反应物供应到管式反应器中之前预先连续供应泵的反应物。 两个或更多个管式反应器彼此串联或并联连接。 管状反应器的非微波照射连接部分具有安装有温度传感器（33），压力传感器（35）和破裂（34）的连接部件。
-
公开(公告)号：KR1020060122576A
公开(公告)日：2006-11-30
申请号：KR1020050045153
申请日：2005-05-27
Applicant: 한국화학연구원
Abstract: Provided is a method for preparing a porous organic-inorganic hybrid material which has a nano-sized micropore and is used to encapsulate a small guest molecule or to separate a large molecule. The method comprises the steps of stirring a metal material and an organic material in the presence of a solvent with a velocity of 50-2,000 rpm for 1-600 min or irradiating an ultrasonic wave of 15,000 Hz to 30 MHz to the mixture for 1-600 min, to prepare a reaction solution where a crystal nucleus is formed; and irradiating a microwave of 1-30 GHz to the obtained reaction solution containing a crystal nucleus at a temperature of 100-250 deg.C. Preferably the organic material is an organic compound capable of coordinating with the metal material.
Abstract translation: 提供一种制备具有纳米尺寸微孔并用于包封小客体分子或分离大分子的多孔有机 - 无机混合材料的方法。 该方法包括在溶剂存在下，以50-2,000rpm的速度搅拌1-600分钟或将15,000Hz至30MHz的超声波照射到混合物中的金属材料和有机材料的步骤， 600分钟，制备形成晶核的反应溶液; 并在100-250℃的温度下，将得到的含有晶核的反应溶液照射1-30GHz的微波。 优选地，有机材料是能够与金属材料配位的有机化合物。
-
公开(公告)号：KR100571053B1
公开(公告)日：2006-04-14
申请号：KR1020040012393
申请日：2004-02-24
Applicant: 한국화학연구원
Abstract: 본 발명은 텅스텐산화물이 치환된 티타늄산화물 친수성 박막의 제조방법에 관한 것으로, 구체적으로 10 중량% 이하의 텅스텐 할로겐화물과 티타늄 알콕사이드로 이루어진 혼합물을 킬레이팅제에 용해시켜 졸 상태의 텅스텐-티타늄 전구체 용액을 제조하는 단계(단계 1), 상기 졸 용액을 기질의 표면 위에 코팅하는 단계(단계 2), 상기 코팅된 기질을 350∼500℃에서 열처리하여 무정형 WO
3 -TiO
2 복합산화물을 형성시키는 단계(단계 3)를 포함하는 것으로 이루어진 친수성 박막의 제조방법에 관한 것이다.
본 발명의 제조방법은 킬레이팅제를 이용함으로써 가수분해 속도를 조절하고, 열처리 온도를 낮추어 수십 나노미터의 입자 크기를 갖는 균일한 복합산화물 박막을 제조할 수 있으며, 낮은 온도에서 소결함으로써 유리 또는 세라믹 등 다양한 기질 표면에 코팅할 수 있을 뿐만 아니라 저렴한 가격으로 제조할 수 있다. 또한 상기 제조방법의 의해 제조된 박막은 자외선 조사 후 장시간 동안 친수성을 유지할 수 있다.
친수성, 초친수성, WO3, TiO2, 복합산화물, 안티포깅Abstract translation: 另外，本发明的氧化钨被制造的亲水性薄膜中，特别是由钨的卤化物与通过所述螯合剂溶解在溶胶 - 钨 - 钛前体溶液的混合物的至多10重量％的钛的醇盐的方法取代用氧化钛 （步骤1），将溶胶溶液涂布在基材表面上（步骤2），在350-500℃下热处理涂布的基材以形成无定形的WO
-
Patent Agency Ranking
公开(公告)号：KR1020050118429A
公开(公告)日：2005-12-19
申请号：KR1020040043552
申请日：2004-06-14
Applicant: 한국화학연구원
IPC: B01J20/30
CPC classification number: B01J20/3042 , B01D53/02 , B01J20/0211 , B01J20/0225 , B01J20/0233 , B01J20/3078
Abstract: 본 발명은 흡착제의 제조방법 및 이를 이용한 기체의 정제방법에 관한 것으로, 상세하게는 금속 전구체를 무기 담체에 담지할 때 폴리히드록시 알콜과 킬레이팅제를 추가한 후 가열하고, 건조, 소성 및 환원하여 금속 이온이 금속 상태로 전환된 흡착제의 제조방법 및 이를 이용한 기체의 정제방법에 관한 것이다.
본 발명에 따른 흡착제의 제조방법은 금속 입자 크기를 감소시키고 금속의 분산도를 향상시킴으로써, 불활성 기체에 포함된 산소, 이산화탄소 및 수분 등의 불순물을 한번에 고순도로 정제하는데 효율적으로 이용할 수 있다.-
公开(公告)号：KR100525208B1
公开(公告)日：2005-11-04
申请号：KR1020030057002
申请日：2003-08-18
Applicant: 한국화학연구원
CPC classification number: B01J20/2808 , B01J20/0225 , B01J20/0259 , B01J20/041 , B01J20/226 , B01J20/3078 , B01J29/82 , C01B3/001 , C01B37/002 , Y02E60/324
Abstract: 본 발명은 나노 세공을 갖는 VSB-5 분자체의 제조방법에 관한 것으로서, 더욱 상세하게는 인화합물과 니켈화합물로 구성되는 원료물질에 종래의 필수요소인 주형물질을 배제하고 pH 조절제로서 저가이면서 손쉽게 구할 수 있는 무기염기 또는 모노아민을 선택 혼입하여 결정화하므로써 공정의 단순화가 가능하고 값싸고 효율적인 방법으로 수소저장물질, 촉매, 촉매지지체 및 흡착제 등의 분야에 널리 이용 가능한 나노 세공을 갖는 VSB-5 분자체를 제조하는 방법에 관한 것이다.
-
公开(公告)号：KR1020050019340A
公开(公告)日：2005-03-03
申请号：KR1020030057002
申请日：2003-08-18
Applicant: 한국화학연구원
CPC classification number: B01J20/2808 , B01J20/0225 , B01J20/0259 , B01J20/041 , B01J20/226 , B01J20/3078 , B01J29/82 , C01B3/001 , C01B37/002 , Y02E60/324
Abstract: PURPOSE: To provide a method for preparing a VSB-5 molecular sieve, which is able to prepare the VSB-5 molecular sieve having good physical properties through an economic and efficient method using an inexpensive inorganic base or mono-amine. CONSTITUTION: In the method for preparing nanoporous VSB-5 molecular sieve by crystallizing a nickel compound and a phosphorous compound using a base, an inorganic base or a mono-amine is used as the base, and the crystallization is performed under pH of 7.0-12.0 and at the temperature of 50-350 deg.C.
Abstract translation: 目的：提供一种制备VSB-5分子筛的方法，该方法能够通过使用便宜的无机碱或单胺的经济有效的方法制备具有良好物理性能的VSB-5分子筛。 构成：在通过使用碱使镍化合物和磷化合物结晶而制备纳米多孔VSB-5分子筛的方法中，使用无机碱或单胺作为碱，结晶在pH 7.0〜 12.0℃，温度为50-350℃。
-
79.发明授权
公开(公告)号：KR100392202B1
公开(公告)日：2003-08-19
申请号：KR1020000056495
申请日：2000-09-26
Applicant: 한국화학연구원 , 세우엔지니어링 주식회사
IPC: B01J21/06 , B01J23/755 , B01J23/58
Abstract: PURPOSE: Provided are a selective hydrogenation catalyst and a selective hydrogenation process of diolefin compound using the catalyst. The above catalyst is tetragonal Ni/Zr type and is used in the selective hydrogenation of diolefin compounds that are contained in the carbohydrate mixtures into mono-olefin compounds. CONSTITUTION: The preparation method of the above catalyst comprises: 0.1-5wt.% (based on the hydrate) of Ni alone or having 0.1-5mol.% (based on Zr carrier) of a cocatalyst selected from Pd, Pt, Ag, Cu, Mo and B and its carrier of Zr alone or modified by one metal chosen from Ca, lanthanide metals such as Se and La, IIIB group metal(silicone) or IVB group metal(Al). The above selective hydrogenation is conducted in the temperature range of 80 to 250°C at a pressure of 1 to 12 atm. and at space velocity of 4 to 12/h (based on the volume of liquid reactant).
Abstract translation: 目的：提供使用该催化剂的选择性加氢催化剂和二烯烃化合物的选择性加氢方法。 上述催化剂是四方型Ni / Zr型，用于将碳水化合物混合物中所含的二烯烃化合物选择性加氢成单烯烃化合物。 构成：上述催化剂的制备方法包括：0.1-5重量％（基于水合物）单独的Ni或0.1-5摩尔％（基于Zr载体）助催化剂，选自Pd，Pt，Ag，Cu ，Mo和B及其单独的Zr或其载体，或由选自Ca，镧系金属如Se和La，IIIB族金属（硅氧烷）或IVB族金属（Al）的一种金属改性的载体。 上述选择性加氢在80至250℃的温度范围和1至12大气压的压力下进行。 并且空速为4至12 / h（基于液体反应物的体积）。
-
公开(公告)号：KR100383218B1
公开(公告)日：2003-05-12
申请号：KR1020000063272
申请日：2000-10-26
Applicant: 한국화학연구원
IPC: C01B15/01
Abstract: PURPOSE: Provided is a direct preparation method of hydrogen peroxide, which is characterized in that the hydrogen carrier quinone and its derivatives are fixed to the channels of zeolite by anchoring and grafting method and the product is made in aqueous solution. Usual process uses solvent dissolving quinone and hydroquinone and in the above process the quinones are fixed to the zeolite more than 2 times than the usual process, making the method improved in the stability and reactivity of the catalyst. CONSTITUTION: The method includes the steps of: making the catalyst by anchoring or grafting quinone or its derivatives into the zeolite which is ion-exchanged with VIII group transition metals and carries them; and directly synthesizing hydrogen peroxide at 0-90deg.C by introducing reducing agent and oxygen gas. The above anchoring and grafting is conducted by using as anchoring agent tetrahydrofuran and dicyclohexylcarbodiimide and pre-grafting to zeolite with 3-aminopropyltrimethoxysilane and trimethoxysilylpropyldiethylenetriamine. The above zeolite is selected from Y, Beta, L or MCM-41 structure and Si/Al ratio is 1-160. The cationic form of zeolite is selected from Na, K and H while VIII group transition metal is chosen from Rd, Pt, Rh, Ir, Fe, Cu and Ni. The reducing agent is selected from hydrogen, ammonia and alcohol. The catalyst is washed with benzene, alcohol and acetone, and the acid is added to the above aqueous solution, the acid being chosen from 0.001-1N sulfuric acid, acetic acid and hydrochloric acid.
Abstract translation: 用途：提供了一种过氧化氢的直接制备方法，其特征在于氢载体醌及其衍生物通过锚定和接枝方法固定在沸石的通道上，并将产物制成水溶液。 通常的方法使用溶解醌和氢醌的溶剂，并且在上述方法中醌固定在沸石上比常规方法多2倍以上，使得该方法提高了催化剂的稳定性和反应性。 组成：该方法包括以下步骤：通过将醌或其衍生物锚定或接枝到与VIII族过渡金属离子交换并携带它们的沸石中制备催化剂; 并通过引入还原剂和氧气直接在0-90℃下合成过氧化氢。 上述锚定和接枝通过使用四氢呋喃和二环己基碳二亚胺作为锚定剂并用3-氨丙基三甲氧基硅烷和三甲氧基甲硅烷基丙基二亚乙基三胺预接枝到沸石上来进行。 上述沸石选自Y，Beta，L或MCM-41结构，Si / Al比为1-160。 阳离子形式的沸石选自Na，K和H，而VIII族过渡金属选自Rd，Pt，Rh，Ir，Fe，Cu和Ni。 还原剂选自氢气，氨和酒精。 催化剂用苯，乙醇和丙酮洗涤，将酸加入上述水溶液中，酸选自0.001-1N硫酸，乙酸和盐酸。
-
-
-
-
-
-
-
-
-
Search Results
357
records
(took 0.026 seconds)
