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公开(公告)号：KR1020040031970A
公开(公告)日：2004-04-14
申请号：KR1020020061272
申请日：2002-10-08
Applicant: 한국과학기술연구원
IPC: C08G63/81
CPC classification number: C08G63/64 , C08G63/08 , C08G63/6882 , C08G63/81 , C08G63/823 , Y02P20/544 , Y10T428/2982
Abstract: PURPOSE: A method for producing a biodegradable polyester polymer in a particulate form, is provided to simplify a conventional complicated process by excluding a milling process or use of any special device, and prevent discharge of hazardous solvents to environment. CONSTITUTION: The method for producing a biodegradable polyester polymer in a particulate form comprises the steps of: charging at least one cyclic monomer into a high pressure reactor; adding an organometallic or acid catalyst and an initiator; injecting compressed gas as a solvent, selected from the group consisting of HFC-23, HFC-32, HFC-152a, HFC-143a, HFC-134a, HFC-125, HFC-227ea, HFC-236fa, HFC-245fa, HFC-254cb, SF6, HFC-4-10-mee, C-318(perfluoro cyclobutane), HCFC-22, HCFC-1416, HCFC-1426, HCFC-225ca/cb, dimethyl ether, N2O, propane, butane, a mixture thereof and a mixture further comprising CO2 and the above mixture, into the reactor; and carrying out solution polymerization.
Abstract translation: 目的：提供一种以颗粒形式生产可生物降解的聚酯聚合物的方法，以通过排除铣削过程或使用任何特殊装置来简化常规的复杂工艺，并且防止有害溶剂排放到环境中。 构成：以颗粒形式生产可生物降解的聚酯聚合物的方法包括以下步骤：将至少一种环状单体装入高压反应器中; 加入有机金属或酸催化剂和引发剂; 注入压缩气体作为溶剂，选自HFC-23，HFC-32，HFC-152a，HFC-143a，HFC-134a，HFC-125，HFC-227ea，HFC-236fa，HFC-245fa，HFC -254cb，SF6，HFC-4-10-mee，C-318（全氟环丁烷），HCFC-22，HCFC-1416，HCFC-1426，HCFC-225ca / cb，二甲醚，N2O，丙烷，丁烷， 并将进一步包含CO 2和上述混合物的混合物加入到反应器中; 并进行溶液聚合。
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公开(公告)号：KR1020140101598A
公开(公告)日：2014-08-20
申请号：KR1020130014959
申请日：2013-02-12
Applicant: 한국과학기술연구원
CPC classification number: C08G81/00 , C08G69/46 , C08L2205/02
Abstract: The present invention relates to a method for synthesizing half-furan based copolyamide comprising at least one aliphatic diamine and at least one furan-based dicarboxylic acid in a main chain by using solid state polymerization and, more specifically, to a half-furan based copolyamide using furan-based dicarboxylic acid originated from biomass as a raw material. The present inventions is able to obtain half-furan based copolyamide with hue and molecular weight applicable to practical industrials from the furan-based dicarboxylic acid originated from biomass by manufacturing the half-furan based copolyamide according to the method of the present invention and is able to be usefully applied to environment-friendly bioplastic while being able to replace fossil fuel since thermal stability is excellent.
Abstract translation: 本发明涉及通过使用固态聚合在主链中合成含有至少一种脂族二胺和至少一种呋喃基二羧酸的半呋喃基共聚酰胺的方法，更具体地说，涉及一种半呋喃基共聚酰胺 使用以生物质为原料的以呋喃为基础的二羧酸。 本发明能够通过根据本发明的方法制备半呋喃基共聚酰胺，从源自生物质的呋喃类二羧酸获得适用于实际工业的色度和分子量的半呋喃基共聚酰胺，并且能够 有效地应用于环保生物塑料，同时能够替代化石燃料，因为热稳定性优异。
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公开(公告)号：KR101329317B1
公开(公告)日：2013-11-25
申请号：KR1020110130298
申请日：2011-12-07
IPC: H01L21/302
Abstract: 본 명세서는 기판건조장치 및 기판건조방법, 보다 상세하게는 초임계건조공정을 수행하는 장치 및 방법을 개시한다. 본 발명에 따른 기판건조방법의 일 양상은, 챔버로 회로패턴에 유기용매가 잔류하는 기판을 반입하는 단계; 상기 챔버로 유기용매를 공급하여 상기 기판이 상기 유기용매 내에 위치되는 단계; 상기 챔버로 초임계유체를 공급하여 상기 챔버 내부가 상기 초임계유체의 영역과 상기 초임계유체에 의해 팽창된 유기용매의 영역으로 분리되는 단계; 상기 초임계유체가 상기 유기용매를 치환하는 단계; 및 상기 챔버의 내부압력을 낮추어 상기 회로패턴의 손상을 방지하며 상기 기판을 회수하는 단계;를 포함한다.
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公开(公告)号：KR1020130063761A
公开(公告)日：2013-06-17
申请号：KR1020110130298
申请日：2011-12-07
IPC: H01L21/302
Abstract: PURPOSE: An apparatus and a method for drying a substrate are provided to dry a substrate without the damage of a circuit pattern by using a supercritical fluid. CONSTITUTION: A substrate is transferred into a drying chamber(S110). An organic solvent is supplied to the drying chamber(S120). A supercritical fluid is supplied to the drying chamber(S130). The organic solvent is discharged from the drying chamber(S120). The supercritical fluid is discharged from the drying chamber(S120). The substrate is transferred from the drying chamber(S160). [Reference numerals] (AA) Start; (BB) End; (S110) Load a substrate; (S120) Supply an organic solvent; (S130) Supply a supercritical fluid; (S140) Discharge the organic solvent; (S150) Discharge the supercritical fluid; (S160) Unload the substrate
Abstract translation: 目的：提供一种用于干燥基板的装置和方法，以通过使用超临界流体来干燥基板而不损坏电路图案。 构成：将基底转移到干燥室（S110）中。 向干燥室供给有机溶剂（S120）。 向干燥室供给超临界流体（S130）。 有机溶剂从干燥室排出（S120）。 超临界流体从干燥室排出（S120）。 从干燥室转移基板（S160）。 （附图标记）（AA）开始; （BB）结束; （S110）加载基板; （S120）供应有机溶剂; （S130）供应超临界流体; （S140）排出有机溶剂; （S150）排出超临界流体; （S160）卸载基板
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公开(公告)号：KR1020120079435A
公开(公告)日：2012-07-12
申请号：KR1020110034741
申请日：2011-04-14
Applicant: 한국과학기술연구원
CPC classification number: Y02P20/544 , C01B32/192 , H01B1/04
Abstract: PURPOSE: A method for manufacturing graphene sheets or graphene particles based on supercritical fluid is provided to mass-produce the graphene sheets or graphene particles of high quality by implementing deoxygenation with respect to graphene oxide under a supercritical fluid condition. CONSTITUTION: A method for manufacturing graphene sheets or graphene particles based on supercritical fluid includes the following: graphene oxide is dispersed in an alcohol solvent to form a graphene oxide dispersed solution; the graphene oxide dispersed solution is reduced under a supercritical condition to form graphene sheets or graphene particles; and the graphene sheets or the graphene particles are separated, washed, and dried. The graphene oxide includes at least one functional group selected from an epoxy group, a carboxylic group, a carbonyl group, and a hydroxyl group.
Abstract translation: 目的：提供一种用于制造基于超临界流体的石墨烯片或石墨烯颗粒的方法，通过在超临界流体条件下相对于氧化石墨烯实现脱氧，大量生产高质量的石墨烯片或石墨烯颗粒。 构成：用于制造基于超临界流体的石墨烯片或石墨烯颗粒的方法包括以下：将氧化石墨烯分散在醇溶剂中以形成氧化石墨烯分散溶液; 在超临界条件下还原氧化石墨烯分散溶液以形成石墨烯片或石墨烯颗粒; 石墨烯片或石墨烯颗粒被分离，洗涤和干燥。 氧化石墨烯包括至少一种选自环氧基，羧基，羰基和羟基的官能团。
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Patent Agency Ranking
公开(公告)号：KR101083005B1
公开(公告)日：2011-11-15
申请号：KR1020090032906
申请日：2009-04-15
Applicant: 한국과학기술연구원
Abstract: 본발명은나노크기의금속를제조하는방법및 상기방법으로제조된금속나노입자에관한것이다. 더상세하게말하자면, 본발명에따른금속나노입자의제조방법은알코올에금속전구체를용해시켜금속전구체용액을제조하는단계, 금속전구체용액을반응기에도입하여초임계조건에서금속나노입자를생성시키는단계, 금속나노입자의용액을냉각시키는단계, 및냉각된용액으로부터금속나노입자를분리및 회수하는단계를포함한다. 또한본 발명은상기제조방법에의하여제조된금속나노입자에관한것이다.
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公开(公告)号：KR1020110059210A
公开(公告)日：2011-06-02
申请号：KR1020090115867
申请日：2009-11-27
Applicant: 한국과학기술연구원
CPC classification number: B22F9/24 , B22F1/0044 , B22F9/06 , B82Y30/00 , B82Y40/00
Abstract: PURPOSE: A continuous producing method of a metal nanoparticle is provided to rapidly and economically produce the high purity metal nanoparticle using a continuous reactor using supercritical fluid. CONSTITUTION: A continuous producing method of a metal nanoparticle comprises the following steps: preparing a metal precursor solution by dissolving a metal precursor in alcohol; producing the metal nanoparticle by continuously inserting the metal precursor solution into a reactor in the supercritical condition; cooling the obtained solution from the previous step; and separating and collecting the metal nanoparticle from the solution. The metal precursor is a compound or salt of a metal selected from Cu, Ni, Ag, Au, Ru, Rh, Pd, or Pt.
Abstract translation: 目的：提供金属纳米颗粒的连续制备方法，以使用超临界流体的连续反应器快速且经济地制备高纯度金属纳米颗粒。 构成：金属纳米颗粒的连续制造方法包括以下步骤：通过将金属前体溶解在醇中来制备金属前体溶液; 通过将金属前体溶液连续地插入超临界状态的反应器中来生产金属纳米颗粒; 从上一步冷却所得溶液; 并从溶液中分离和收集金属纳米颗粒。 金属前体是选自Cu，Ni，Ag，Au，Ru，Rh，Pd或Pt中的金属的化合物或盐。
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18.发明授权이산화탄소와 탄화수소의 내부개질반응에 의해 전기와 합성가스를 동시에 생성하는 고체산화물 연료전지, 및 이를 이용한 전기화학적 전환반응시스템 失效固体氧化物燃料电池SOFC用于通过碳氢化合物的二氧化碳的内部重整和用于应用的电化学膜反应器系统共同产生合成气和电力
公开(公告)号：KR100569239B1
公开(公告)日：2006-04-07
申请号：KR1020030074934
申请日：2003-10-25
Applicant: 한국과학기술연구원
IPC: H01M4/90
CPC classification number: H01M4/9066 , H01M4/8621 , H01M4/8885 , H01M4/90 , H01M4/9033
Abstract: 본 발명은 탄화수소와 이산화탄소의 내부개질반응(Internal Reforming)용 고체산화물 연료전지에 관한 것으로서, 더욱 상세하게는 고체 산화물 전해질(YSZ)의 한쪽 면에 공기극(La
0.8 Sr
0.2 MnO
3 )이 부착되어 있고, 다른 한쪽 면에는 Ni-YSZ계 또는 페롭스카이트계 금속 산화물의 촉매전극(anode)이 부착되어 있는 고체산화물 연료전지로서, 전기화학적 전환반응시스템에 적용되어서는 상기 촉매전극(anode) 내부에서 탄화수소와 이산화탄소의 내부개질반응이 진행되고 동시에 전기화학적 전환반응에 의해 합성가스(syngas)와 전기에너지(electricity)를 동시에 생성시키게 되며, 특히, 탄소침적 현상이 억제되어 탄소침적에 의한 촉매의 비활성화 및 고에너지 소모의 문제점을 동시에 해결할 수 있는 장점을 가지고 있다.
SOFC, 촉매전극, 공기극, 고체산화물 전해질, 합성가스, 전기에너지, 이산화탄소, 탄화수소, 내부개질반응, 전기화학적 전환반응시스템-
公开(公告)号：KR101857187B1
公开(公告)日：2018-05-11
申请号：KR1020160064088
申请日：2016-05-25
Applicant: 한국과학기술연구원
Abstract: 본발명은티타니아-텅스텐-지르코늄산화물담체; 및상기담체에담지된금속입자를포함하는수첨탈산소반응용촉매및 이의제조방법에관한것이다. 또한, 본발명은상기수첨탈산소반응용촉매를이용하여함산소화합물로부터수소를첨가하고산소를제거하여, 석유를대체할수 있는바이오연료를제조하는방법에관한것이다.
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公开(公告)号：KR101733695B1
公开(公告)日：2017-05-11
申请号：KR1020150144426
申请日：2015-10-16
Applicant: 한국과학기술연구원
IPC: C01G41/02
Abstract: 본발명은푸른산화텅스텐입자를제조하는방법으로서, 텅스텐전구체를알코올에용해시켜텅스텐전구체용액을제조하는단계; 상기텅스텐전구체용액을고온고압반응기에서초아임계조건으로반응시켜푸른산화텅스텐입자를생성시키는단계; 상기푸른산화텅스텐입자가생성된용액을냉각시키는단계; 상기냉각된용액으로부터상기푸른산화텅스텐입자를분리및 세정하는단계; 및상기세정된푸른산화텅스텐입자를건조키는단계;를포함하는제조방법을제공한다.
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