公开(公告)号：KR1020040008829A

公开(公告)日：2004-01-31

申请号：KR1020020042542

申请日：2002-07-19

Applicant: 한국과학기술연구원

Inventor： 권영수 ,  김홍곤 ,  이상득 ,  이재우 ,  홍종엽 ,  임형식 ,  안병성

IPC: C01B21/083

CPC classification number: C01C1/162 ,  C01B21/0835

Abstract: PURPOSE: Provided is a method for producing nitrogen trifluoride NF3 at low temperature with high yields by effectively making ammonium bifluoride molten salt come into contact with fluoride. CONSTITUTION: The method comprises the steps of forming fine liquid droplets of ammonium bifluoride molten salt by spraying ammonium bifluoride molten salt in a reactor(10) from a lower part to an upper part thereof through nozzles, and making the ammonium bifluoride molten salt droplets come into contact with fluoride gas being introduced into the reactor(10) by a fluoride suction pipe(32), wherein the fluoride gas supply into the reactor is intermittently stopped and ammonia gas is introduced into the reactor(10) at that time to regenerate ammonium bifluoride in the reactor to keep concentration of ammonium bifluoride molten salt in the reactor(10) to a certain degree.

Abstract translation: 目的：提供通过有效地使氟化铵与氟化物接触而在低温下以高收率生产三氟化氮NF3的方法。 方案：该方法包括以下步骤：通过喷嘴将下一部分至上部的反应器（10）中的氟化铵熔融盐喷射出来，通过喷嘴将氟化氢熔融盐形成微细液滴，并使氟化二铵熔融盐液滴 与通过氟化物吸入管（32）引入反应器（10）的氟化物气体接触，其中供应到反应器中的氟化物气体间歇地停止，并且此时将氨气引入反应器（10）中以再生铵 反应器中的氟化氢使反应器（10）中的二氟化铵熔融盐的浓度保持一定程度。

公开(公告)号：KR100402050B1

公开(公告)日：2003-10-17

申请号：KR1020030033617

申请日：2003-05-27

Applicant: 한국과학기술연구원

Inventor： 이병권 ,  임종성 ,  김홍곤 ,  김창년

IPC: C09K5/04

Abstract: PURPOSE: Provided is a mixed coolant composition having new composition, which can show similar ability to that of the existing HCFC-22, and does not have the danger such as destruction of the ozone layer. CONSTITUTION: The mixed coolant composition for low temperature freezers, containing a mixture of fluorinated hydrocarbons, comprises a mixture containing 40-70 wt% of difluoromethane(HFC-32), 10-40 wt% of 1,1-difluoroethane(HFC-152a), and 10-20 wt% of 1,1,1,2,3,3,3-heptafluoropropane(HFC-227ea); and 5-15 wt% of isobutane(R-600a). Also, the mixed coolant composition comprises a mixture containing 50-70 wt% of difluoromethane(HFC-32), 10-30 wt% of 1,1-difluoroethane(HFC-152a), and 10-20 wt% of 1,1,1,2,3,3,3-heptafluoropropane(HFC-227ea); and 5-15 wt% of 1,1,1,2,3,3-hexafluoropropane(HFC-236ea).

Abstract translation: 目的：提供具有新组成的混合冷却剂组合物，其能够显示与现有HCFC-22相似的能力，并且不具有破坏臭氧层的危险。 构成：含有氟化烃混合物的低温冷冻机用混合冷却剂组合物包含含有40-70重量％二氟甲烷（HFC-32），10-40重量％1,1-二氟乙烷（HFC-152a ）和10-20重量％的1,1,1,2,3,3,3-七氟丙烷（HFC-227ea）; 和5-15重量％的异丁烷（R-600a）。 此外，混合冷却剂组合物包含含有50-70重量％二氟甲烷（HFC-32），10-30重量％1,1-二氟乙烷（HFC-152a）和10-20重量％1,1 ，1,2,3,3,3-七氟丙烷（HFC-227ea的）; 和5-15重量％的1,1,1,2,3,3-六氟丙烷（HFC-236ea）。

公开(公告)号：KR100391845B1

公开(公告)日：2003-07-16

申请号：KR1020000006402

申请日：2000-02-11

Applicant: 한국과학기술연구원

Inventor： 김훈식 ,  김재준 ,  이병권 ,  김홍곤

IPC: C07D317/14

CPC classification number: C07D317/36 ,  C07D317/38

Abstract: The present invention relates to a method to prepare alkylene carbonate of the formula (1)wherein, R1 and R2 are each independently H; C1-C4 alkyl or phenyl group;which method characterized by reacting alkylene oxide with carbon dioxide in the presence of a catalyst system comprising a) metal halide [MXm] and b) pyridine or pyridine derivative [Py], wherein Py is selected from a group of pyridines; M is a metal atom selected from the group consisting of Zn, Fe, Mn, Pb and In; X is a halogen selected from the group consisting of Cl, Br and I; and m is 2 or 3.

Abstract translation: 本发明涉及制备式（1）的亚烷基碳酸酯的方法，其中R 1和R 2各自独立地为H; C 1 -C 4烷基或苯基;该方法的特征在于使烯化氧与二氧化碳在包含a）金属卤化物[MXm]和b）吡啶或吡啶衍生物[Py]的催化剂体系存在下反应，其中Py选自 一组吡啶; M是选自Zn，Fe，Mn，Pb和In的金属原子; X是选自Cl，Br和I的卤素; m是2或3。

公开(公告)号：KR1020010074658A

公开(公告)日：2001-08-04

申请号：KR1020010034611

申请日：2001-06-19

Applicant: 한국과학기술연구원

Inventor： 이병권 ,  임종성 ,  권영수 ,  김홍곤 ,  문동주

IPC: C09K5/04

CPC classification number: C09K5/045 ,  C09K2205/112 ,  C09K2205/12 ,  C09K2205/122 ,  C09K2205/43

Abstract: PURPOSE: A refrigerant composition is provided which shows the similar performance to HCFC-22 that is currently used by additionally mixing one constituent from RC-270, HFC-227ea, HFC-245cb, HFC-236ea, R-600, HFE-134 or HFE-245 to a mixture of HFC-32 and HFC-143a. CONSTITUTION: In a composition of a refrigerant mixture which can be used instead of HCFC-22, the refrigerant mixture comprises 20 to 70 wt.% of difluoromethane (CH3F2, HFC-32) as a first constituent, 10 to 70 wt.% of 1,1,1-trifluoroethane (CH3CF3, CFC-143a) as a second constituent, and 45 wt.% or less of cyclopropane (C3H6, RC-270) or butane (C4H10, R-600) as a third constituent, wherein each of the HFC-32, HFC-143a and RC-270 comprise 20 to 40 wt.%, 30 to 70 wt.% and 30 wt.% or less respectively, and wherein each of the HFC-32, HFC-143a and R-600 comprise 30 to 50 wt.%, 38 to 70 wt.% and 12 wt.% or less respectively.

Abstract translation: 目的：提供了一种制冷剂组合物，其显示了与通过额外混合来自RC-270，HFC-227ea，HFC-245cb，HFC-236ea，R-600，HFE-134的一种成分或目前使用的HCFC-22类似的性能 HFE-245与HFC-32和HFC-143a的混合物。 构成：在可用于代替HCFC-22的制冷剂混合物的组合物中，制冷剂混合物包含20至70重量％的作为第一组分的二氟甲烷（CH 3 F 2，HFC-32），10至70重量％ 作为第二成分的1,1,1-三氟乙烷（CH 3 CF 3，CFC-143a）和作为第三成分的环丙烷（C 3 H 6，RC-270）或丁烷（C 4 H 10，R-600）45重量％ HFC-32，HFC-143a和RC-270中的每一个分别包含20至40重量％，30至70重量％和30重量％或更少，并且其中每个HFC-32，HFC-143a和 R-600分别包含30至50重量％，38至70重量％和12重量％或更少。

公开(公告)号：KR1020000041711A

公开(公告)日：2000-07-15

申请号：KR1019980057665

申请日：1998-12-23

Applicant: 한국과학기술연구원

Inventor： 이병권 ,  임종성 ,  권영수 ,  김홍곤 ,  문동주

IPC: C09K5/04

CPC classification number: C09K5/045 ,  C09K2205/11 ,  C09K2205/112 ,  C09K2205/12 ,  C09K2205/43

Abstract: PURPOSE: A refrigerant mixture added one component of RC-270, HFC-227ea, HFC-245cb, HFC-236ea, R-600, HFE-134, and HFE-245 to a mixture of HFC-32 and HFC-143a additionally is provided which exhibits performance similar to HCFC-22. CONSTITUTION: A refrigerant mixture free from ozonosphere destruction danger, which can be used as a substitute for chlorodifluoromethane(CHClF2) comprises difluoromethane(CH3F2, HFC-32) as a first component, 1,1,1-trifluoroethane(CH3CF3, HFC-143a) as a second component and one component selected from the group of 1,1,1,2,3,3,3-heptafluoropropane(CF3CHFCF3, HFC-227ea), 1,1,1,2,3,3-hexafluoropropane(CHF2CHFCF3, HFC-235ea), butane(C4H10, R-600), bis(difluoromethyl)ether(CHF2OCHF2, HFE-134), and pentafluoroethylmethylether(CF3CF2OCH3, HFC-245) as a third component. The composition of HFC-32, HFC-143a and RC-270 is 20 to 40% by weight, 30 to 70% by weight and 0 to 30% by weight respectively.

Abstract translation: 目的：将HFC-32，HFC-227ea，HFC-245cb，HFC-236ea，R-600，HFE-134和HFE-245的一个组分加入到HFC-32和HFC-143a的混合物中， 具有类似于HCFC-22的性能。 构成：可用作替代氯二氟甲烷（CHClF 2）的不含臭氧层破坏危险的制冷剂混合物包括作为第一组分的二氟甲烷（CH 3 F 2，HFC-32），1,1,1-三氟乙烷（CH 3 CF 3，HFC-143a ）作为第二成分和选自1,1,1,2,3,3,3-七氟丙烷（CF 3 CHFCF 3，HFC-227ea），1,1,1,2,3,3-六氟丙烷（ CHF2CHFCF3，HFC-235ea），丁烷（C4H10，R-600），双（二氟甲基）醚（CHF2OCHF2，HFE-134）和五氟乙基甲基醚（CF3CF2OCH3，HFC-245）作为第三成分。 HFC-32，HFC-143a和RC-270的组成分别为20〜40重量％，30〜70重量％，0〜30重量％。

公开(公告)号：KR100256431B1

公开(公告)日：2000-05-15

申请号：KR1019970051415

申请日：1997-10-07

Applicant: 한국과학기술연구원

Inventor： 서상현 ,  김홍곤 ,  김훈식 ,  이현주 ,  문동주

IPC: C07C211/18

CPC classification number: C07C209/72 ,  C07C211/36

Abstract: PURPOSE: A cyclic hydrogenation method of aromatic diamine is provided for reducing reaction time and decreasing amount of by-product to raise yield of product by preliminarily surface treating ruthenium catalyst with oxygen or air without using basic materials. CONSTITUTION: The method for producing cyclo-aromatic diamine is to cyclically hydrogenate aromatic diamine at 50-250 deg.C and 300-4000 psig of pressure under 0.1-5 wt.% ruthenium catalyst surface-treated with air or oxygen at 50-200 deg.C. and in the presence of organic solvent. The ruthenium catalyst is prepared by immersing the catalyst into a carrier selected from a group consisting of activated carbon, calcium carbonate, ceria, alumina, zirconia, titania and silica in an amount of 1-10 wt.%. The organic solvent is any one selected from a group consisting of diethylether, isopropylether, methanol, ethanol, isopropylalcohol, butanol, tetrahydrofuran and dioxane.

Abstract translation: 目的：提供芳族二胺的循环氢化方法，通过在不使用碱性物质的情况下，用氧或空气预先表面处理钌催化剂，减少反应时间和减少副产物，提高产物产率。 构成：环芳族二胺的制备方法是在50-250℃和300-4000磅/平方英寸的压力下循环氢化0.1-5重量％的钌催化剂，空气或氧气在50-200℃下表面处理 摄氏度 并在有机溶剂存在下进行。 通过将催化剂浸入1-10重量％的选自活性炭，碳酸钙，二氧化铈，氧化铝，氧化锆，二氧化钛和二氧化硅的载体中来制备钌催化剂。 有机溶剂是选自二乙醚，异丙醚，甲醇，乙醇，异丙醇，丁醇，四氢呋喃和二恶烷中的任一种。

公开(公告)号：KR1020000021093A

公开(公告)日：2000-04-15

申请号：KR1019980040031

申请日：1998-09-25

Applicant: 한국과학기술연구원

Inventor： 김훈식 ,  김홍곤 ,  이현주 ,  박건유 ,  권영수

IPC: C07C43/12

Abstract: PURPOSE: A process is provided which decreases corrosion properties of apparatus not using a strong base such as sodium methoxylate and prepares difluoromethyl methyl ether of high recovery rate. CONSTITUTION: Cholrodifluoromethane and methanol are reacted at 30-150°C in the presence of 0.05-2 times of alkali carbonate in a mole ratio of chlorodifluoromethane as a base such as Li2CO3, Na2CO3, K2CO3, Rb2CO3 or Cs2CO3 to give difluoromethyl methyl ether. Thus, 17.2 g of chlorodifluoromethane is reacted in 16.7 g of K2CO3 and 50 cc of methanol at 60°C for 2 hours to give difluoromethyl methyl ether(CF2HOCH3).

Abstract translation: 目的：提供一种降低不使用强碱如甲氧基钠的设备的腐蚀性能并制备高回收率的二氟甲基甲醚的方法。 构成：在二氯甲基甲基醚中，在二氯甲基甲基醚中，在二氯甲烷和二氯甲基甲醚中，在二氯甲烷和二氯甲基甲醚中，在二氯甲烷与二氯甲基甲醚的摩尔比为0.05-2的碱性碳酸盐存在下，将三氟甲烷和甲醇在30-150℃反应。 因此，将17.2g氯二氟甲烷在16.7g的K 2 CO 3和50cc的甲醇中在60℃下反应2小时，得到二氟甲基甲基醚（CF 2 CHOCH 3）。

公开(公告)号：KR1020000020035A

公开(公告)日：2000-04-15

申请号：KR1019980038445

申请日：1998-09-17

Applicant: 한국과학기술연구원

Inventor： 이현주 ,  김훈식 ,  김홍곤 ,  안병성 ,  이병권

IPC: C07C43/12

Abstract: PURPOSE: 1,1-difluoroethyl methyl ether as a CFC substitutional material is prepared which protects a corrosion of apparatus, and decreases by-product by using alkali carbonate catalyst instead of strong base. CONSTITUTION: 1,1-Difluoroethylene and methanol are reacted at 30- 150°C in the presence of 1- 20 mole % of difluoroethylene alkali carbonate such as Li2CO3, Na2CO3, K2CO3, Rb2CO3 and CS2CO3 to give the title compound. Thus, 12.8 g of 1,1-difluoroethylene and 64 g of methanol are reacted at 80°C for 3 hours in the presence of 2.78 g of potassium carbonate to give the title compound.

Abstract translation: 目的：制备作为CFC取代材料的1,1-二氟乙基甲基醚，其保护装置的腐蚀，并且通过使用碱金属碳酸盐催化剂代替强碱来减少副产物。 构成：1,1-二氟乙烯和甲醇在1-20摩尔％的二氟乙烯碱金属碳酸盐如Li 2 CO 3，Na 2 CO 3，K 2 CO 3，Rb 2 CO 3和CS 2 CO 3的存在下，在30-150℃下反应，得到标题化合物。 因此，在2.78g碳酸钾存在下，将12.8g 1,1-二氟乙烯和64g甲醇在80℃下反应3小时，得到标题化合物。

公开(公告)号：KR100152580B1

公开(公告)日：1998-10-15

申请号：KR1019950026126

申请日：1995-08-23

Applicant: 한국과학기술연구원

Inventor： 김훈식 ,  이병권 ,  김홍곤 ,  정문조

IPC: C07C19/08 ,  B01J23/26 ,  B01J27/12

CPC classification number: C07C17/21 ,  B01J27/132 ,  B01J27/138 ,  C07C17/206 ,  C07C17/23 ,  C07C19/08 ,  C07C19/12

Abstract: 불화칼슘과, 삼산화크롬, 염화아연 및 염화제2철의 수용액을 혼합한후 에탄올과 반응시켜 얻어지는 생성물을 소성함으로써 제조된 촉매의 존재하에, 1단계 반응으로서, 1,1,1-트리플루오로-2-클로로에탄(HCFC-133a)과 불화수소를 반응시켜 1,1,1,2-테트라플루오로에탄(HFC-134a), 펜타플루오로에탄(HFC-125) 및 1,1,1,-트리플루오로에탄(HFC-143a)을 얻고, 2단계 반응으로서 1단계 반응생성물에 트리클로로에틸렌을 첨가하여 HCFC-133a를 제조한 다음 HFC-134a, HFC-125 및 HFC-143a를 분리하고 HCFC-133a를 1단계 반응으로 재순환시키는 것으로 이루어지는 2단계 기상반응에 의해, HFC-134a, HFC-125 및 HFC-143a를 동시에 제조하는 방법이 제공된다.

公开(公告)号：KR100105387B1

公开(公告)日：1996-10-01

申请号：KR1019930026520

申请日：1993-12-04

Applicant: 한국과학기술연구원

Inventor： 권영수 ,  안병성 ,  김홍곤 ,  이상득 ,  정문조

IPC: C07C19/08