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公开(公告)号：KR101801926B1
公开(公告)日：2017-11-27
申请号：KR1020160046910
申请日：2016-04-18
Applicant: 한국항공대학교산학협력단
Abstract: 파라핀이충진된탄소나노튜브의제조방법이개시되며, 상기파라핀이충진된탄소나노튜브의제조방법은, 파라핀내부의가스및 기포가제거되도록, 저진공상태에서상기파라핀을용융점이상으로가열하여액화시키는단계; 탄소나노튜브(CNT)에가스및 기포가제거된상기파라핀을모세관력을이용하여충진하는단계; 및상기파라핀이충진된상기탄소나노튜브의표면을세척하는단계를포함한다.
Abstract translation: 石蜡并开始填充碳纳米管的制造方法中，所述链烷烃的方法被填充碳纳米管，气体和石蜡气泡内部被去除，通过在低真空状态下的石蜡加热到熔点以上液化 的步骤; 用毛细管力将气体和气泡填充到碳纳米管（CNT）中; 并清洗填充有石蜡的碳纳米管表面。
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公开(公告)号：KR101591305B1
公开(公告)日：2016-02-03
申请号：KR1020140112251
申请日：2014-08-27
Applicant: 한국항공대학교산학협력단
CPC classification number: C01B32/174 , C01B32/176 , C01B2202/06 , C09K5/10
Abstract: 본명세서에는탄소나노튜브를분산제와함께분쇄하는분쇄단계; 및상기분쇄단계에서얻어진분쇄물에용매를가한후 균질화하는균질화단계를포함하는나노유체제조방법이개시된다. 또한, 탄소나노튜브, 분산제및 물을포함하며, 하기특성들중 하나이상을갖는나노유체가개시된다: i) 상온에서 25일이상정치시, 흡광계수(extinction coefficient) 값의시간에따른저하율이초기에비해 10% 미만인분산안정성; ii) 80℃에서 12시간이상가열시, 흡광계수값의저하율이초기에비해 10% 미만인고온안정성; iii) 탄소나노튜브의함량이나노유체전체부피를기준으로 0.003부피%인경우 UV/Vis/NIR 분광광도계로측정시 200 내지 1400nm 파장에서순수 1.0 기준으로광학적투과도가 0.05이하인특성; 및 iv) 탄소나노튜브의함량이나노유체전체부피를기준으로 0.005부피%인경우 UV/Vis/NIR 분광광도계로측정시 200 내지 1400nm 파장에서순수 1.0 기준으로광학적투과도가 0.02이하인특성. 상기한나노유체는열교환및 열저장을위한작동유체로서우수한분산안정성과광 흡수능을나타내므로태양열집열기, 특히직접흡수식태양열집열기에효과적으로사용될수 있다. 또한, 상기한나노유체제조방법은공정이간소하여시간및 비용을절감할수 있고안전한장점이있다.
Abstract translation: 本发明公开了一种制备纳米流体的方法，包括：用分散剂粉碎碳纳米管的破碎步骤; 以及将均匀化的粉碎工序得到的材料添加溶剂的均质化工序。 此外，公开了包括碳纳米管，分散剂和水的纳米流体，并具有下述一个或多个特性。 i）分散稳定性，其特征在于在纳米流体在预定空间中放置等于的情况下，与初始值相比，具有小于衰减系数值的衰减系数值的减少率的10％ 或超过25天。 ii）在将纳米流体在80℃下加热12小时的情况下，与初始值相比，具有小于消光系数值的降低率的10％以下的高温稳定性。 iii）在通过UV / Vis / NIR阵列分光光度计在200〜1400nm的波长下测定的光透射率等于或小于0.05（纯水1.0基准），在碳纳米管的含量以体积百分数存在的情况下 基于纳米流体的总体积为0.003。 iv）在碳纳米管的含量存在于（a））的情况下，通过UV / Vis / NIR阵列分光光度计测定的波长为200〜1400nm的0.02以下的纯度为1.0（纯水1.0基准） 体积百分比为0.005，基于纳米流体的总体积。 因此，纳米流体具有有效地用于太阳能收集器，特别是在直接吸收型太阳能收集器中，因为这里的纳流体是用于交换和储存热量的工作流体，并且具有优异的分散稳定性和光吸收能力。 此外，纳米流体具有节省制备时间和成本的优点，并且随着制造纳米流体的方法的简化而安全地制备。
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公开(公告)号：KR1020170119136A
公开(公告)日：2017-10-26
申请号：KR1020160046910
申请日：2016-04-18
Applicant: 한국항공대학교산학협력단
CPC classification number: C01B32/168 , C01B2202/10 , C01B2202/36 , C09K5/14 , C11D3/3418 , C11D3/3927
Abstract: 파라핀이충진된탄소나노튜브의제조방법이개시되며, 상기파라핀이충진된탄소나노튜브의제조방법은, 파라핀내부의가스및 기포가제거되도록, 저진공상태에서상기파라핀을용융점이상으로가열하여액화시키는단계; 탄소나노튜브(CNT)에가스및 기포가제거된상기파라핀을모세관력을이용하여충진하는단계; 및상기파라핀이충진된상기탄소나노튜브의표면을세척하는단계를포함한다.
Abstract translation: 提供了一种生产石蜡结合碳纳米管的方法，包括以下步骤：将石蜡加热到高于熔点的温度，并在低真空下液化石蜡以除去石蜡中的气体和气泡; 。 用毛细管力将气体和气泡填充到碳纳米管（CNT）中; 并且洗涤其中嵌有石蜡的碳纳米管的表面。
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公开(公告)号：KR102023383B1
公开(公告)日：2019-11-04
申请号：KR1020180006293
申请日：2018-01-17
Applicant: 한국항공대학교산학협력단
IPC: C09K5/06 , F28D20/02 , C01B32/174
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Patent Agency Ranking
公开(公告)号：KR1020140010638A
公开(公告)日：2014-01-27
申请号：KR1020120077152
申请日：2012-07-16
Applicant: 한국항공대학교산학협력단
Abstract: The present invention relates to an apparatus for mass-producing metal nanofluid and metal nanoparticles using an evaporation method and a manufacturing method thereof enabling various applications on a field of a solder material which has the low plastic temperature or metal ink which has the excellent electrical conductivity by using alloy nanoparticles. The present invention includes: a vacuum chamber, a spraying means forming an oil film by spraying base fluid to the upper part of the inside of the vacuum chamber; a storage container accommodating metal nanoparticles generated by the oil film in the vacuum chamber; and a circulation cooling apparatus cooling the vacuum chamber and the storage container. According to the apparatus for manufacturing nanoparticles and a method for manufacturing the same capable of mass-producing the metal nanofluid and the nanoparticles as above, a structure of supplying the circulation type fluid is provided, thereby continuously manufacturing a large amount of nanofluid. [Reference numerals] (AA) Vacuum loop; (BB) Base fluid loop; (CC) Cooling water loop
Abstract translation: 本发明涉及一种使用蒸发方法大量生产金属纳米流体和金属纳米颗粒的装置及其制造方法，其能够在具有优异导电性的塑料温度低的金属油墨的焊料材料的领域上进行各种应用 通过使用合金纳米粒子。 本发明包括：真空室，通过将基础流体喷射到真空室的内部的上部而形成油膜的喷涂装置; 储存容器，容纳由真空室内的油膜产生的金属纳米粒子; 以及冷却真空室和储存容器的循环冷却装置。 根据上述纳米颗粒的制造装置及其制造方法，能够大量生产金属纳米流体和纳米粒子，提供循环型流体的供给结构，从而连续制造大量的纳米流体。 （标号）（AA）真空回路; （BB）基础液回路; （CC）冷却水回路
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公开(公告)号：KR1020130095957A
公开(公告)日：2013-08-29
申请号：KR1020120017404
申请日：2012-02-21
Applicant: 한국항공대학교산학협력단
CPC classification number: B22F9/24 , B22F1/0018 , B22F2301/255 , B22F2304/05
Abstract: PURPOSE: A method of manufacturing a gold nano fluid using an ultrasonic generation water tank is provided to use a dispersion energy source which generates gold nano particles uniformly by preventing not only a chemical reaction but also thermal energy for activating a reduction reaction from being generated locally. CONSTITUTION: A method of manufacturing a gold nano fluid using an ultrasonic generation water tank comprises the following steps: a water temperature inside an ultrasonic water tank is maintained with 80 to 90°C; a chloroauric acid aqueous solution consisting of 0.25 mM of a molarity is put into a container; after the container is fixed inside the ultrasonic water tank, ultrasonic energy is given; a sodium citrate aqueous solution is injected within the container in order to make 1 : 3.5 of a molar fraction of a chloroauric acid and a sodium citrate in the chloroauric acid aqueous solution within the container; and the ultrasonic energy is given within the ultrasonic water tank again.
Abstract translation: 目的：提供一种使用超声波发生水箱制造金纳米流体的方法，以使用均匀地产生金纳米颗粒的分散能源，不仅可以防止化学反应，还能防止本地产生还原反应活化的热能 。 构成：使用超声波发生水箱制造金纳米流体的方法包括以下步骤：将超声波水箱内的水温保持在80〜90℃; 将由0.25mM摩尔浓度组成的氯金酸水溶液放入容器中; 容器固定在超声波水箱内后，给出超声波能量; 将柠檬酸钠水溶液注入容器内，以在容器内的氯金酸水溶液中制备摩尔分数为1：3.5的氯金酸和柠檬酸钠; 再次超声波水箱内提供超声能量。
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公开(公告)号：KR101410973B1
公开(公告)日：2014-06-25
申请号：KR1020120077152
申请日：2012-07-16
Applicant: 한국항공대학교산학협력단
Abstract: 합금 나노입자를 이용하여 전기 전도성이 우수한 금속 잉크 또는 소성온도가 낮은 솔더 재료 등의 분야에 다양한 응용이 가능한 금속 나노 유체 및 나노입자를 대량으로 생산하는 나노입자의 제조 장치 및 그 제조 방법에 관한 것으로, 진공 챔버, 상기 진공 챔버 내의 상부에 기본 유체를 분사하여 유막을 형성하는 분사 수단, 상기 진공 챔버에서 유막에 의해 생성된 금속 나노 입자를 수용하는 저장 용기, 상기 진공 챔버 및 상기 저장 용기를 냉각하는 순환 냉각 장치를 포함하는 구성을 마련한다.
상기와 같은 금속 나노 유체 및 나노입자를 대량으로 생산하기 위한 나노입자의 제조 장치 및 그 제조 방법에 의하면, 순환식 유체 공급구조를 마련하므로, 대량의 나노 유체를 연속적으로 제조할 수 있다.-
公开(公告)号：KR1020140010637A
公开(公告)日：2014-01-27
申请号：KR1020120077148
申请日：2012-07-16
Applicant: 한국항공대학교산학협력단
IPC: B22F9/24
CPC classification number: B22F9/24 , B22F1/0018 , B22F2202/01 , B22F2303/15 , B22F2304/05
Abstract: The present invention relates to a method for manufacturing nanoparticles of tin for solder or tin alloy which is manufactured by a chemical reduction method and has the low melting point by applying ultrasonic energy, and to nanoparticles of tin or tin alloy manufactured by the manufacturing method including: a step of preparing base fluid in a ultrasonic bath (a); a step of putting precursor and surfactant in the base fluid (b); a step of putting a reduction agent (c); a step of applying ultrasonic energy (d); and a step of recovering nanoparticles. According to using a method for manufacturing nanoparticles of tin for solder and tin alloy as above, the present invention can prevent a PCB board from being deformed in the reflow process including a SOP process, a flip chip bonding process, a TSV process, and the like because of the low melting point of the manufactured tin or tin alloy. [Reference numerals] (S10) Preparing base fluid in a ultrasonic bath; (S20) Putting precursor and surfactant in the base fluid; (S30) Putting a reduction agent; (S40) Applying ultrasonic energy; (S50) Manufacturing tin nanoparticles
Abstract translation: 本发明涉及通过化学还原法制造的具有低熔点的超声波能量的焊料或锡合金用锡的纳米颗粒的制造方法，包括以下制造方法制造的锡或锡合金纳米粒子： ：在超声波槽（a）中制备基础液的步骤; 将前体和表面活性剂置于基础液体（b）中的步骤; 放置还原剂（c）的步骤; 施加超声波能量的步骤（d）; 和回收纳米颗粒的步骤。 根据如上所述的用于制造焊锡和锡合金用锡的纳米颗粒的方法，本发明可以防止PCB板在包括SOP工艺，倒装芯片接合工艺，TSV工艺和回流焊接工艺的回流工艺中变形 因为制造的锡或锡合金的熔点低。 （附图标记）（S10）在超声波槽中准备基础液; （S20）将前体和表面活性剂置于基础液中; （S30）放下还原剂; （S40）应用超声波能量; （S50）制造锡纳米颗粒
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