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公开(公告)号：KR100405970B1
公开(公告)日：2003-11-14
申请号：KR1020010057507
申请日：2001-09-18
Applicant: 한국과학기술연구원
IPC: B22F1/00
Abstract: PURPOSE: A synthesizing method of fine powder of copper using organic solvent is provided to directly prepare copper powder without reduction treatment by inducing reaction of organic solvent at proper temperature and pressure. CONSTITUTION: The synthesizing method of fine powder of copper using organic solvent comprises the processes of preparing copper hydroxide sediment by reacting a copper precursor aqueous solution with a neutralizer selected from calcium hydroxide (KOH), sodium hydroxide (NaOH) and ammonium hydroxide (NH4OH); and reacting the mixed solution at a temperature of 200 to 300 deg.C for 0.5 to 20 hours after dissolving the sediment into an organic solvent, wherein the copper precursor is at least one or more precursors selected from copper nitrate hydride (Cu(NO3)2·xH2O), copper chloride dehydride (CuCl2·2H2O), copper sulfide pentahydride (CuSO4·5H2O) and copper sulfide hydride (CuSO4·xH2O), wherein the organic solvent is at least one or more solvents selected from ethylene glycol, di(ethylene glycol), polyethylene glycol and butanediol, and wherein centrifuge method is used to recover the obtained copper fine powder.
Abstract translation: 目的：提供使用有机溶剂的铜细粉的合成方法，通过在适当的温度和压力下引发有机溶剂的反应而直接制备铜粉而不进行还原处理。 构成：使用有机溶剂的铜细粉的合成方法包括通过使铜前体水溶液与选自氢氧化钙（KOH），氢氧化钠（NaOH）和氢氧化铵（NH 4 OH）的中和剂反应来制备氢氧化铜沉积物的方法， ; 并且在将沉淀物溶解于有机溶剂中之后，将混合溶液在200至300℃的温度下反应0.5至20小时，其中所述铜前体是至少一种或多种选自硝酸铜（Cu（NO 3） （CuCl 2·2H 2 O），硫化铜五水合物（CuSO 4·5H 2 O）和硫化氢铜（CuSO 4·xH 2 O），其中有机溶剂为至少一种或多种 选自乙二醇，二（乙二醇），聚乙二醇和丁二醇中的溶剂，并且其中使用离心法来回收所获得的铜细粉。
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公开(公告)号：KR100399382B1
公开(公告)日：2003-09-26
申请号：KR1020010022113
申请日：2001-04-24
Applicant: 한국과학기술연구원
IPC: B22F9/24
Abstract: PURPOSE: A method of synthesizing platelet-type asymmetric cadmium sulfide (CdS) fine particles by self assembly process is provided. CONSTITUTION: The synthesis method of platelet-type asymmetric cadmium sulfide comprises the steps of mixing an aqueous solution of cadmium compound with an aqueous solution of sulfur compound wherein the cadmium compound is selected from the group consisting of (Cd(NO3)2·4H2O), (Na2S·9H2O), cadmium acetate hydrate (CH3CO2)2Cd·xH2O, cadmium acetylacetonate hydrate (£(CH3)2(CO)2CH|2Cd·xH2O), cadmium carbonate (CdCO3), cadmium chloride hydrate (CdCl2·xH2O), cadmium sulfate hydrate (CdSO4·xH2O), and sulfur compound is selected from Na2S·9H2O and CaS and Li2S; adding one or more organic solvents selected from octylamine, amylamine, decylamine, undecylamine and dodecylamine to above aqueous solution; recovering obtained platelet-type asymmetric cadmium sulfide (CdS) fine particles by extraction and centrifugation; and washing the recovered platelet-type asymmetric cadmium sulfide (CdS) fine particles with solvents such as ethanol, acetone, isopropanol and methanol.
Abstract translation: 目的：提供一种通过自组装方法合成血小板型不对称硫化镉（CdS）微粒的方法。 组成：血小板型不对称硫化镉的合成方法包括以下步骤：将镉化合物的水溶液与硫化合物的水溶液混合，其中镉化合物选自（Cd（NO 3）2＆amp; （CH3）2（CO）2CH | 2Cd→xH2O），碳酸镉（CdCO3），碳酸镉（CdCO3），乙酸镉水合物（CH3CO2）2Cd， ，氯化镉水合物（CdCl2·xH2O），硫酸镉水合物（CdSO4·xH2O）和硫化合物选自Na2S·9H2O和CaS和Li2S; 将选自辛胺，戊胺，癸胺，十一烷胺和十二烷胺的一种或多种有机溶剂加入到上述水溶液中; 通过提取和离心回收得到的血小板型不对称硫化镉（CdS）微粒; 用乙醇，丙酮，异丙醇，甲醇等溶剂洗涤回收的血小板型不对称硫化镉（CdS）微粒。
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公开(公告)号：KR100516097B1
公开(公告)日：2005-09-23
申请号：KR1020030009279
申请日：2003-02-14
Applicant: 한국과학기술연구원
Abstract: 본 발명은 투광성이 있는 세라믹스, 유리 또는 플라스틱 등의 기판 또는 필름 위에 외광반사와 같은 불필요한 광에 의한 눈의 피로를 줄이고 인체유해한 전자기파를 차폐하기 위한 목적으로 설치되며, 하나의 층이 서로 다른 굴절율을 가진 코어-쉘 구조의 나노입자를 포함하여 다층에 의한 입사광의 간섭효과와 동시에 흡수효과가 있어 반사율이 저감되는 것을 특징으로 하는 투광성 반사방지막 및 그를 포함하는 물품에 관한 것이다.
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公开(公告)号：KR1020040073627A
公开(公告)日：2004-08-21
申请号：KR1020030009279
申请日：2003-02-14
Applicant: 한국과학기술연구원
CPC classification number: G02B1/11 , B82Y30/00 , G02B1/16 , G02F1/1335 , G02F2201/38 , H01J11/44 , H01J29/896
Abstract: PURPOSE: A transparent anti-reflective layer and an article including the same are provided to shield electromagnetic waves and perform an antistatic function by forming a dual layer of the first and the second layers. CONSTITUTION: A transparent anti-reflective layer includes a high-refractive index layer, a low-refractive index layer, and a core-shell nano-particle layer. A core of a core-shell nano-particle of the core-shell nano-particle layer is formed with a nano-metal particle. An outer surface of a shell is formed with a silica material or the low-refractive index material. The core-shell nano-particle layer is formed with a combination material of core-shell nano-particles and a transparent organic material or a transparent inorganic material.
Abstract translation: 目的：通过形成第一层和第二层的双层，提供透明的抗反射层和包括该透明抗反射层的制品以屏蔽电磁波并执行抗静电功能。 构成：透明抗反射层包括高折射率层，低折射率层和核 - 壳纳米颗粒层。 核 - 壳纳米颗粒层的核 - 壳纳米颗粒的核心由纳米金属颗粒形成。 外壳的外表面由二氧化硅材料或低折射率材料形成。 核 - 壳纳米颗粒层由核 - 壳纳米颗粒和透明有机材料或透明无机材料的组合材料形成。
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Patent Agency Ranking
公开(公告)号：KR100400355B1
公开(公告)日：2003-10-04
申请号：KR1020010013733
申请日：2001-03-16
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A method for synthesizing nanosized SiO2 particles with a particle size distribution of 10 to 75 nm by reverse micelle and sol-gel process is provided. CONSTITUTION: The method for synthesizing nanosized SiO2 particles includes the steps of adding (a) one or more surfactants selected from polyoxyethlene nonylphenyl ether and sodium bis(2-ethylhexyl) sulfonate and (b) one or more organic solvents selected from cyclohexane and isooctane into water to prepare an organic solution; reacting the organic solution with tetraethoxysilane (TEOS) in the presence of NH4OH for the promotion of hydrolysis and condensation so that nanosized SiO2 particles are obtained; and rinsing the nanosized SiO2 particles with at least one solvents selected from the group consisting of ethanol, acetone, isopropanol, methanol, toluene and methoxy ethanol. In the above reaction, mole ratio of water/surfactant is 2 to 50, water/TEOS is 5 to 400 and NH4OH/TEOS is 0.1 to 5.
Abstract translation: 目的：提供一种通过反胶束和溶胶 - 凝胶法合成粒径分布为10〜75nm的纳米SiO2粒子的方法。 构成：合成纳米SiO2颗粒的方法包括将选自聚氧乙烯壬基苯基醚和双（2-乙基己基）磺酸钠中的一种或多种表面活性剂和（b）选自环己烷和异辛烷的一种或多种有机溶剂 水制备有机溶液; 使有机溶液与四乙氧基硅烷（TEOS）在NH 4 OH存在下反应以促进水解和缩合，从而获得纳米尺寸的SiO 2颗粒; 和用选自乙醇，丙酮，异丙醇，甲醇，甲苯和甲氧基乙醇中的至少一种溶剂冲洗纳米尺寸的SiO 2颗粒。 在上述反应中，水/表面活性剂的摩尔比为2至50，水/ TEOS为5至400，NH 4 OH / TEOS为0.1至5。
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公开(公告)号：KR100399716B1
公开(公告)日：2003-09-29
申请号：KR1020010031770
申请日：2001-06-07
Applicant: 한국과학기술연구원
IPC: B22F9/16
Abstract: PURPOSE: A method for manufacturing fine nickel powder with a particle size distribution of 100 to 1000 nm using liquid reaction method is provided. CONSTITUTION: The method includes the steps of reacting a neutralizing agent with one metal precursor selected from (Ni(NO3)2·6H2O), (NiCl2x·H2O) and (NiSO4·6H2O) in aqueous solution to obtain precipitates; solving the precipitates in an organic solvent; treating above slurry at 200 to 300 deg.C under a pressure of 0.1 to 4 MPa to obtain fine metal powder; and extracting the organic solvent from the obtained fine metal powder by using solvents such as ethanol, acetone, isopropyl alcohol a methanol. The method is characterized in that the neutralizing agent is selected from KOH, NaOH and NH4OH; the organic solvent is selected from ethylene glycol, polyethylene glycol and butanediol.
Abstract translation: 目的：提供一种使用液体反应方法制造粒度分布为100至1000nm的细镍粉的方法。 构成：该方法包括使中和剂与选自（Ni（NO 3）2·6H 2 O），（NiCl 2·x·H 2 O）和（NiSO 4·6H 2 O）的一种金属前体在水溶液中反应以获得 沉淀物; 将沉淀物溶解在有机溶剂中; 在200〜300℃，0.1〜4MPa的压力下处理上述浆料，得到微细金属粉末; 使用乙醇，丙酮，异丙醇，甲醇等溶剂，从得到的金属细粉中提取有机溶剂。 该方法的特征在于中和剂选自KOH，NaOH和NH 4 OH; 有机溶剂选自乙二醇，聚乙二醇和丁二醇。
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公开(公告)号：KR1019970010354B1
公开(公告)日：1997-06-25
申请号：KR1019950003400
申请日：1995-02-22
Applicant: 한국과학기술연구원
Abstract: The invention provides a TiB2-BN-AIN type ceramics deposited vessel. Its formula is wTiB2-xBN-yAIN-zWC in which w, x, y and z are 0.6 to 0.7, 0.15 to 0.20, 0.08 to 0.17 and 0.03 to 0.15 (w+x+y+z=1). The characteristics of process for producing the vessel are mixing TiB2-BN-AIN type ceramics material with WC, a sintering additive and sintering the mixture at a temperature of 1800-1950 C under a pressure in nitrogen atmosphere
Abstract translation: 本发明提供了一种TiB2-BN-AIN型陶瓷沉积容器。 其中w，x，y和z分别为0.6〜0.7,0.15〜0.20,0.08〜0.17,0.03〜0.15（w + x + y + z = 1）的wTiB2-xBN-yAIN-zWC。 用于制造容器的方法的特征是将TiB2-BN-AIN型陶瓷材料与WC（烧结添加剂）混合，并在氮气气氛中在1800-1950℃的温度下烧结该混合物
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公开(公告)号：KR1019960031399A
公开(公告)日：1996-09-17
申请号：KR1019950003400
申请日：1995-02-22
Applicant: 한국과학기술연구원
Abstract: 본 발명은 하기 식으로 표시되는 조성으로 이루어지는 TiB
2 -BN-AlN계의 세라믹스 증착 용기 및 그의 제조 방법에 관한 것이다.
wTlB
2 -xBN-yAlN-zWC
여기서, 0.60≤w≤0.70, 0.15≤x≤0.20, 0.08≤y≤0.17, 0.03≤z≤0.15인데, 다만 w+x+y=z=1이다.
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