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公开(公告)号：KR1020090118425A
公开(公告)日：2009-11-18
申请号：KR1020080044190
申请日：2008-05-13
Applicant: 한국과학기술연구원
IPC: C07D233/28
CPC classification number: C07D207/06 , C07C209/60 , C07D213/20 , C07D233/06 , C07D233/56 , C07D233/64 , C07D237/08 , C07D239/26 , C07D249/04 , C07D251/14 , C07D253/065 , C07D295/067
Abstract: PURPOSE: A direct synthesis of ionic liquid with substituted perfluorinated alkyl group is provided to synthesize a target compound with high yield in a short time and improve process safety. CONSTITUTION: A direct synthesis of ionic liquid with substituted perfluorinated alkyl group of the chemical formula 1 comprises a step of reacting perfluorinated olefin compound of CFR1=CR2R3 and bronsted acid of YH with nitrogen-containing compound in a reaction group. The nitrogen-containing compound is amine compound, pyrrolidine, pyrrole, imidazole, 4,5-dihydrotriazole, triazole, morpholine, piperidine, piperazine, pyridine, pyridazine or triazine. The bronsted acid is HCl, HBr, HI, HBF4, HPF6,(CF3SO)2NH, CF3SO3H, CH3SO3H, HNO2, HNO3, CF3CO2H, or CH3CO2H. The perfluorinated olefin compound is CHF=CH2, CHF=CHF, CF2=CH2, CF2=CHF, CF2=CF2, CHF=CFCF3, CF2=CFCF3, or CF2=CFCF2CF3.
Abstract translation: 目的：提供具有取代全氟烷基的离子液体的直接合成，以在短时间内高产率地合成目标化合物，提高工艺安全性。 构成：化学式1的具有取代的全氟化烷基的离子液体的直接合成包括在反应基团中使CFR1 = CR2R3的全氟化烯烃化合物和YH的青铜酸与含氮化合物反应的步骤。 含氮化合物是胺化合物，吡咯烷，吡咯，咪唑，4,5-二氢三唑，三唑，吗啉，哌啶，哌嗪，吡啶，哒嗪或三嗪。 青铜酸是HCl，HBr，HI，HBF4，HPF6，（CF3SO）2NH，CF3SO3H，CH3SO3H，HNO2，HNO3，CF3CO2H或CH3CO2H。 全氟化烯烃化合物为CHF = CH 2，CHF = CHF，CF 2 = CH 2，CF 2 = CHF，CF 2 = CF 2，CHF = CFCF 3，CF 2 = CFCF 3或CF 2 = CFCF 2 CF 3。
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公开(公告)号：KR100831093B1
公开(公告)日：2008-05-22
申请号：KR1020070034777
申请日：2007-04-09
Applicant: 한국과학기술연구원
CPC classification number: C01B17/56 , B01D53/1481 , B01D53/1493 , C01B13/0229 , C01B13/0285 , C01B2210/0071 , Y02E60/36 , Y02P20/542
Abstract: A method is provided to separate and recover pure SO2 only from a gas mixture generated from an IS(Iodine-Sulfur) cycle process even at a high temperature in a stable and succeeding manner through absorption and degassing processes using ionic liquid, and prevent loss of a solvent even in the repeated absorption and degassing processes by maintaining low vapor pressure and high temperature stability as compared with a conventional amine-based absorbent. As a method for separating and recovering sulfur dioxide from a gas mixture containing 40 to 80 wt.% of sulfur dioxide(SO2) and 20 to 60 wt.% of oxygen exhausted from an IS(Iodine-Sulfur) cycle process consisting of a decomposition reaction of sulfuric acid, a decomposition reaction of sulfur dioxide, and a decomposition reaction of iodic acid, a method for separating and recovering pure sulfur dioxide from the gas mixture in the IS cycle process using ionic liquid comprises the steps of: contacting the gas mixture with ionic liquid to allow the ionic liquid to absorb and separate sulfur dioxide(SO2) in the gas mixture in a temperature range of 20 to 50 deg.C; and degassing the sulfur dioxide that has been absorbed and separated from the gas mixture from the ionic liquid in a temperature range of 120 to 250 deg.C. The ionic liquid is ionically bonded compounds in which cations selected from imidazolium, pyrrolidinium, piperidinium, morpholinium and pyridinium are bonded with anions selected from hydrogen sulfate(HOSO3^-), methyl sulfate(CH3OSO3^-), ethyl sulfate(C2H6OSO3^-)methane sulfonate(CH3SO3^-), acetate(CH3COO^-), tetrafluoroborate(BF4^-), hexafluorophosphate(PF6^-), and chloride(Cl^-), or mixtures of the ionically bonded compounds. Further, the recovered sulfur dioxide has a recovery rate of 85 to 95% and purity of 98 to 99%.
Abstract translation: 提供了一种仅通过IS（碘 - 硫）循环过程产生的气体混合物分离和回收纯SO2的方法，即使在高温下以稳定和后续的方式通过使用离子液体的吸收和脱气方法也可以分离和回收纯SO2，并防止 与常规的胺类吸收剂相比，通过保持低蒸气压和高温稳定性，即使在反复吸收和脱气过程中也是这样。 作为从含有40〜80重量％的二氧化硫（SO 2）和20〜60重量％的由分解的（碘 - 硫）循环过程中排出的氧气的气体混合物中分离和回收二氧化硫的方法， 硫酸的反应，二氧化硫的分解反应和碘酸的分解反应，使用离子液体在IS循环过程中从气体混合物中分离和回收纯二氧化硫的方法包括以下步骤：使气体混合物 使离子液体允许离子液体在20至50℃的温度范围内吸收和分离气体混合物中的二氧化硫（SO 2）; 并且在120至250℃的温度范围内，从气体混合物中吸收和分离的二氧化硫从离子液体脱气。 离子液体是离子键合的化合物，其中选自咪唑鎓，吡咯烷鎓，哌啶鎓，吗啉鎓和吡啶鎓的阳离子与阴离子选自硫酸氢盐（HOSO 3 - ），甲基硫酸盐（CH 3 OSO 3 - ），乙基硫酸盐（C 2 H 6 OSO 3 - ）） 甲磺酸盐（CH 3 SO 3 - ），乙酸盐（CH 3 COO - ） - 四氟硼酸盐（BF 4 - ），六氟磷酸盐（PF 6 - ）和氯化物（Cl - ））或离子键合化合物的混合物。 此外，回收的二氧化硫的回收率为85〜95％，纯度为98〜99％。
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公开(公告)号：KR100660065B1
公开(公告)日：2006-12-21
申请号：KR1020050026075
申请日：2005-03-29
Applicant: 한국과학기술연구원
IPC: C07D207/08
CPC classification number: C07D295/088
Abstract: 본 발명은 피롤리디늄계 설폰화된 양쪽성 이온 및 그 제조방법, 이를 이용하여 제조된 리튬염 및 그 제조방법, 그리고 이를 함유하는 전해질 조성물 및 상기 전해질 조성물을 포함하여 구성되는 리튬 이차 전지에 관한 것으로서, 보다 상세하게는 하기 화학식 1로 표시되는 리튬 이차전지 전해질용 피롤리디늄계 설폰화된 양쪽성 이온 및 그 제조방법, 이를 이용하여 제조된 하기 화학식 2로 표시되는 리튬 이차전지 전해질용 리튬염 및 그 제조방법, 그리고 이를 함유하는 리튬 이차전지용 전해질 조성물 및 상기 전해질 조성물을 포함하여 구성되는 리튬 이차 전지에 관한 것이다.
본 발명의 상기 양쪽성 이온은 열적 및 전기화학적으로 안정하므로, 이를 이용하여 제조된 리튬염은 종래의 리튬염 보다 낮은 흡습성을 가지며, 강한 열적 안정성 및 전기화학적 안정성을 나타내며, 이온성 액체와 함께 또는 단독으로 유기용매에 용해하였을 경우 우수한 전도도 및 전기화학적 안정성을 나타내므로, 리튬 이차 전지용 전해질 조성물에 리튬염으로 효과적으로 사용할 수 있다.
[화학식 1]
(상기 화학식 1에서,
n은 3 또는 4인 정수이고,
R은 메틸, 에틸, 프로필, 부틸, 펜틸 또는 헥실임).
[화학식 2]
(상기 화학식 2에서,
n은 3 또는 4인 정수이고,
R은 메틸, 에틸, 프로필, 부틸, 펜틸 또는 헥실이고,
X는 트리플레이트, 테트라플루오로보레이트 또는 헥사플루오로포스페이트임).
리튬염, 양쪽성 이온, 리튬 이차 전지, 전해질, 이온성 액체-
公开(公告)号：KR100652922B1
公开(公告)日：2006-12-04
申请号：KR1020050118997
申请日：2005-12-07
IPC: C07C4/06
Abstract: A method for preparing 5-vinyl-2-norbornene is provided to improve the conversion rate, yield and selectivity of 5-vinyl-2-norbornene and to reduce remarkably the selectivity of 3a,4,7,7a-tetrahydroindene (THI) and an oligomer of by-product. The method comprises the step of reacting cyclopentadiene and 1,3-butadiene in the presence of a catalyst which is a fluoride compound selected from the group consisting of NaF, KF, CsF, MgF2, ZnF2 and NH4F. Preferably the ratio of 1,3-butadiene and cyclopentadiene is 1-5 : 1 by mol; and the reaction is carried out at a temperature of 150-220 deg.C and at a pressure of 200-700 psig in an aromatic hydrocarbon-based solvent for 10-60 min.
Abstract translation: 提供了制备5-乙烯基-2-降冰片烯的方法，以提高5-乙烯基-2-降冰片烯的转化率，产率和选择性并显着降低3a，4,7,7a-四氢茚（THI）的选择性和 副产物的低聚物。 该方法包括在作为选自NaF，KF，CsF，MgF 2，ZnF 2和NH 4 F的氟化物的催化剂存在下使环戊二烯和1,3-丁二烯反应的步骤。 1,3-丁二烯和环戊二烯的比例优选为1-5:1， 并且反应在150-220℃的温度和200-700psig的压力下在芳烃基溶剂中进行10-60分钟。
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公开(公告)号：KR100652921B1
公开(公告)日：2006-12-04
申请号：KR1020050118996
申请日：2005-12-07
IPC: C07C4/06
Abstract: Provided is a method for preparing 5-vinyl-2-norbornene to improve conversion rate and yield, to enhance the selectivity of 5-vinyl-2-norbornene and dicyclopentadiene and to reduce the selectivity of 3a,4,7,7a-tetrahydroindene of by-product. The method comprises the step of reacting cyclopentadiene and 1,3-butadiene in the presence of a supported catalyst which comprises a support, and 10-50 wt% of a fluoride compound selected from the group consisting of NaF, KF, CsF, MgF2, ZnF2 and NH4F and supported on the support. Preferably the support is selected from the group consisting of alumina, silica, carbon and magnesium oxide. Preferably the reaction is carried out at a temperature of 150-220 deg.C and in a solvent selected from a hydrocarbon-based compound or an aromatic hydrocarbon compound.
Abstract translation: 本发明提供一种制备5-乙烯基-2-降冰片烯以提高转化率和产率，提高5-乙烯基-2-降冰片烯和二环戊二烯的选择性并降低选择性的方法， 副产品。 该方法包括使环戊二烯和1,3-丁二烯在载体催化剂存在下反应的步骤，所述载体催化剂包含载体和10-50wt％的选自NaF，KF，CsF，MgF 2， ZnF2和NH4F并且支撑在支撑物上。 优选地，载体选自氧化铝，二氧化硅，碳和氧化镁。 反应优选在150-220℃的温度下和在选自烃类化合物或芳烃类化合物的溶剂中进行。
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Patent Agency Ranking
公开(公告)号：KR1020060115803A
公开(公告)日：2006-11-10
申请号：KR1020050038117
申请日：2005-05-06
Applicant: 한국과학기술연구원
IPC: C07C17/07 , C07C17/278 , C07C19/16 , C07C17/269
Abstract: Provided is a method for preparing perfluoroalkyl iodide through a vapor phase continuous catalytic process, which is performed under mild conditions to avoid explosion or other dangerous factors, gives a high yield of a desired product, and is amenable to mass production. The method for preparing perfluoroalkyl iodide comprises the step of performing telomerization of tetrafluoroethylene(C2F4) with perfluoroethyl iodide(C2F5I) in the presence of a catalyst. The telomerization is performed through a vapor phase continuous catalytic process in a fixed-bed tube shaped reactor, in which an alumina-supported transition metal catalyst is packed, by introducing tetrafluoroethylene and perfluoroethyl iodide in a vapor phase. The telomerization is performed under ambient pressure at a temperature of 250-450 deg.C.
Abstract translation: 提供一种通过气相连续催化方法制备全氟烷基碘的方法，其在温和条件下进行以避免爆炸或其它危险因素，产生高产率的所需产物，并且适于批量生产。 制备全氟烷基碘的方法包括在催化剂存在下，用全氟乙基碘（C 2 F 5 I）进行四氟乙烯（C 2 F 4）调聚的步骤。 通过在气相中引入四氟乙烯和全氟乙基碘的固定床管状反应器中的气相连续催化方法进行调聚，其中填充有氧化铝负载的过渡金属催化剂。 调聚在250-450℃的环境压力下进行。
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公开(公告)号：KR100577692B1
公开(公告)日：2006-05-10
申请号：KR1020040028766
申请日：2004-04-26
Applicant: 한국과학기술연구원
IPC: C08F4/44
Abstract: 본 발명은 테트라플루오로에틸렌의 이량화 반응용 촉매와 이의 제조방법에 관한 것으로서, 더욱 상세하게는 활성탄 촉매, 또는 활성탄에 루테늄(Ru), Ni(니켈) 및 아연(Zn)으로부터 선택된 전이금속이 담지된 활성탄 담지촉매를 제조하므로써, 테트라플루오로에틸렌(TFE)의 이량화 반응시 탄소침적 및 고분자 생성이 억제되며 전환율을 향상시킬 뿐만 아니라 불소계 고분자 수지산업에서 중요한 단량체인 헥사플루오로프로필렌(HFP)과 반도체 대체 세정제 및 소형 터보 압축기용 냉매로 사용 가능한 옥타플루오로사이클로부탄(RC318)의 선택도 제어가 가능한 테트라플루오로에틸렌의 이량화 반응용 촉매와 이의 제조방법에 관한 것이다.
테트라플루오로에틸렌(TFE), 이량화 반응, 헥사플루오로프로필렌(HFP), 옥타플루오로사이클로부탄(RC318), 활성탄, 전이금속 촉매-
公开(公告)号：KR1020050067583A
公开(公告)日：2005-07-05
申请号：KR1020030098572
申请日：2003-12-29
Applicant: 한국과학기술연구원
IPC: B01D65/00
CPC classification number: B01D65/08 , B01D65/02 , B01D71/06 , B01D2323/02
Abstract: 본 발명은 폴리카보네이트, 폴리에스테르, 폴리염화비닐 등으로 된 유기고분자 멤브레인을 불소가 함유된 가스로 처리하여 표면 특성을 개질하는 방법에 관한 것으로, 장시간 사용해도 여과 성능이 저하되지 않도록 불소가스와 비활성가스의 혼합가스로 친수성으로 개질하는 방법을 제공하는 것이 목적이다.
본 발명의 유기고분자 멤브레인 표면의 친수화 개질방법은 (a) 멤브레인을 세척하여 건조시키는 단계와, (b) 불소가스와 질소, 헬륨, 아르곤 등의 희석가스와 혼합하여 원하는 농도의 혼합가스를 만드는 단계와, (c) 불소를 함유하는 혼합가스로 멤브레인을 개질 반응시키는 단계를 포함한다.
수처리용 유기고분자 멤브레인의 표면을 불소화 개질하면 원래의 유기고분자 멤브레인보다 전기적으로 음성을 띄는 친수성 표면을 형성할 수 있고, 따라서 더 높은 물 투과도를 얻을 수 있으며, 동시에 콜로이드 입자에 의한 막 오염 현상에 대한 저항성이 증가하여 오래 동안 효과적으로 콜로이드 수용액을 여과할 수 있다.-
公开(公告)号：KR100468527B1
公开(公告)日：2005-01-27
申请号：KR1020010065242
申请日：2001-10-23
Applicant: 한국과학기술연구원
IPC: C07D301/12
Abstract: PURPOSE: A process for preparing hexafluoropropylene oxide from hexafluoropropylene and hydrogen peroxide is provided, thereby preparing the hexafluoropropylene oxide rapidly and selectively in higher yields. CONSTITUTION: A process for preparing hexafluoropropylene oxide from hexafluoropropylene and hydrogen peroxide comprises the steps of: (1) adding a potassium hydroxide solution and transition metal chloride into a mixed solution of methanol and oxygenated water; (2) cooling the mixture to -50 to -20 deg. C, followed by vacuum pumping it to remove air and dissolving hexafluoropropylene(HFP) in it; (3) reacting the mixture at -50 to -20 deg. C; and (4) slowly increasing temperature of the mixture from -50 to -20 deg. C to 40 to 60 deg. C, wherein the transition metal chloride is FeCl3, FeCl2, CoCl3, CuCl2, MnCl2 or mixtures thereof.
Abstract translation: 目的：提供由六氟丙烯和过氧化氢制备六氟环氧丙烷的方法，由此以较高的收率快速和选择性地制备六氟环氧丙烷。 构成：由六氟丙烯和过氧化氢制备六氟环氧丙烷的方法包括以下步骤：（1）将氢氧化钾溶液和过渡金属氯化物加入到甲醇和氧化水的混合溶液中; （2）将混合物冷却至-50至-20℃。 C，然后抽真空抽去空气并溶解六氟丙烯（HFP）; （3）使混合物在-50至-20℃下反应。 C; 和（4）将混合物的温度从-50℃缓慢升高至-20℃。 C到40到60度。 其中过渡金属氯化物是FeCl 3，FeCl 2，CoCl 3，CuCl 2，MnCl 2或其混合物。
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公开(公告)号：KR100452233B1
公开(公告)日：2004-10-12
申请号：KR1020020042542
申请日：2002-07-19
Applicant: 한국과학기술연구원
IPC: C01B21/083
CPC classification number: C01C1/162 , C01B21/0835
Abstract: Nitrogen trifluoride is produced with a high yield by the method comprising forming a fast stream of micro droplets of a fused ammonium fluoride salt by rapidly ejecting the fused ammonium fluoride salt into a reactor through a nozzle while circulating the fused ammonium fluoride salt in the reactor from a lower portion to an upper portion; and contacting micro droplets of the fused ammonium fluoride salt with fluorine gas sucked in the reactor through a suction pipe for fluorine by a negative pressure formed around the nozzle due to an ejection of the fused ammonium fluoride salt, whereby excessive generation and regional accumulation of the heat of reaction are prevented, reducing the reaction temperature by 10~30° C. compared with those of the existing methods, and a side reaction occurs only to a slight extent according to the lowered reaction temperature.
Abstract translation: 通过以下方法以高产率生产三氟化氮，所述方法包括：通过喷嘴将熔融氟化铵盐快速喷射到反应器中，同时在反应器中循环熔融氟化铵盐，从而形成熔融氟化铵盐的微滴的快速流 下部分到上部分; 并且由于熔融氟化铵盐的喷射，通过在喷嘴周围形成的负压通过用于氟的吸入管使熔融氟化铵盐的微滴与吸入反应器的氟气接触，由此过量生成和区域性地 防止反应热，将反应温度降低10〜30℃。 C.与现有方法相比，根据降低的反应温度仅在一定程度上发生副反应。
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