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11.发明公开
公开(公告)号：KR1020020064025A
公开(公告)日：2002-08-07
申请号：KR1020010004621
申请日：2001-01-31
Applicant: 한국과학기술연구원
IPC: C09K5/04
CPC classification number: C09K5/045 , C09K2205/122 , C09K2205/22 , C09K2205/43 , F25B9/006
Abstract: PURPOSE: Provided is a coolant composition containing difluoromethane, 1,1,1-trifluoroethane, and 1,1,1,2-tetrafluoroethane, which is a substitute for chlorodifluoromethane(CHClF2, HCFC-22) and dose not contain the material destroying an ozone layer. CONSTITUTION: The coolant composition comprises: the difluoromethane(CH2F2, HFC-32); the 1,1,1-trifluoroethane(CH3CF3, HFC-143a); the 1,1,1,2-tetrafluoroethane(CH2FCF3, HFC-134a); a compound selected from the group consisting of 1,1-difluoroethane(CH3CHF2, HFC-152a), 1,1,1,2,3,3,3-heptafluoropropane(CF3CHFCF3, HFC-227ea), 1,1,1,2,3,3-hexafluoropropane(CHF2CHFCF3, HFC-236ea), and butane(C4H10, R-600). The composition of HFC-32, HFC-143a, HFC-134a, and HFC-152a is 20-70wt%, 10-50wt%, 10-50wt%, and 10-40wt%.
Abstract translation: 目的：提供含有二氟甲烷，1,1,1-三氟乙烷和1,1,1,2-四氟乙烷的冷却剂组合物，其代替氯二氟甲烷（CHClF 2，HCFC-22），并且不含有破坏 臭氧层。 构成：冷却剂组合物包括：二氟甲烷（CH 2 F 2，HFC-32）; 1,1,1-三氟乙烷（CH 3 CF 3，HFC-143a）; 1,1,1,2-四氟乙烷（CH2FCF3，HFC-134a）; 选自1,1-二氟乙烷（CH 3 CHF 2，HFC-152a），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（CHF 2 CHFCF 3，HFC-236ea）和丁烷（C 4 H 10，R-600）。 HFC-32，HFC-143a，HFC-134a和HFC-152a的组成为20-70wt％，10-50wt％，10-50wt％和10-40wt％。
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公开(公告)号：KR100340186B1
公开(公告)日：2002-06-12
申请号：KR1019990049666
申请日：1999-11-10
Applicant: 한국과학기술연구원
IPC: C09K5/04
CPC classification number: C09K5/045 , C09K2205/112 , C09K2205/12 , C09K2205/22 , C09K2205/43
Abstract: 제 1 성분으로디플루오로메탄, 제 2 성분으로펜타플루오로에탄, 제 3 성분으로 1,1,1-트리플루오로에탄을포함하고, 제 4 성분으로사이클로프로판, 1,1,1,2,3,3,3-헵타플루오로프로판, 1,1,1,2,2-펜타플루오로프로판, 이소부탄, 옥타플루오로사이클로부탄, 1,1,1,2,3,3-헥사플루오로프로판, 부탄, 비스(디플루오로메틸)에테르및 펜타플루오로에틸메틸에테르로이루어진군 중에서선택된어느한 성분을포함하는 HCFC-22 대체용새로운냉매혼합물을제공한다.
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公开(公告)号：KR100333503B1
公开(公告)日：2002-04-25
申请号：KR1020010034611
申请日：2001-06-19
Applicant: 한국과학기술연구원
IPC: C09K5/04
Abstract: 본발명은제 1 성분으로디플루오로메탄(CHF, HFC-32), 제 2 성분으로 1,1,1-트리플루오로에탄(CHCF, HFC-143a)를포함하고, 제 3 성분으로사이클로프로판(CH, RC-270), 1,1,1,2,3,3,3-헵타플루오로프로판(CFCHFCF, HFC-227ea), 1,1,1,2,2-펜타플루오로프로판(CHCFCF, HFC-245cb), 1,1,1,2,3,3-헥사플루오로프로판(CHFCHFCF, HFC-236ea), 부탄(CH, R-600), 비스(디플루오로메틸)에테르(CHFOCHF, HFE-134) 및펜타플루오로에틸메틸에테르(CFCFOCH, HFE-245)로이루어진군 중에서선택된어느한 성분으로이루어진 HCFC-22 대체용냉매혼합물을제공한다.
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公开(公告)号：KR100321115B1
公开(公告)日：2002-03-29
申请号：KR1019990030400
申请日：1999-07-26
Applicant: 한국과학기술연구원
IPC: C07D317/36
CPC classification number: C07D317/38 , C07D317/36
Abstract: 본발명은아래의화학식 2의조성을갖는촉매계의존재하에서알킬렌옥사이드와이산화탄소를반응시켜알킬렌카보네이트를제조하는방법에관한것이다. 상기화학식 2 중에서, M은알칼리금속, X와 Y는서로독립적으로 Cl, Br, I로구성되는군에서선택된할로겐원소이고, a와 b는 a와 b의비율이 20:1에서 1:5까지만족시키는정수이다.
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公开(公告)号：KR1020010081225A
公开(公告)日：2001-08-29
申请号：KR1020000006402
申请日：2000-02-11
Applicant: 한국과학기술연구원
IPC: C07D317/14
CPC classification number: C07D317/36 , C07D317/38
Abstract: PURPOSE: Provided is a method for synthesizing alkylene carbonate using catalysts comprising metal halogen compounds and pyridine ligands. Therefore, the alkylene carbonate can rapidly and cheaply produced in higher yield under conditions of low temperature and low pressure. CONSTITUTION: The alkylene carbonate represented by formula (2) is synthesized by reacting alkylene with carbon dioxide using organic metal compounds as catalysts represented by formula (1) of a(Py)/b(MXm), wherein Py is pyridines represented by formulas (3), (4) or (5), M is a metal selected from Zn, Fe, Mn, Pb and In, X is halogen selected from Cl, Br and I, and m is an integer of 2 or 3; R1 and R2 are individually hydrogen, C1 to C4 alkyl or phenyl; and R3, R4 and R5 are individually hydrogen, C1 to C4 alkyl or phenyl; and x, y and z are individually 0 to 3 and c is an integer of 2 to 4.
Abstract translation: 目的：提供使用包含金属卤素化合物和吡啶配体的催化剂合成碳酸亚烷基酯的方法。 因此，碳酸亚烃酯可以在低温低压条件下以较高的收率快速，廉价地生产。 构成：由式（2）表示的碳酸亚烷酯是使用有机金属化合物作为（Py）/ b（MXm）的式（1）表示的催化剂使亚烷基与二氧化碳反应合成的，其中Py是由式 3），（4）或（5）中，M是选自Zn，Fe，Mn，Pb和In的金属，X是选自Cl，Br和I的卤素，m是2或3的整数; R1和R2分别是氢，C1-C4烷基或苯基; 且R 3，R 4和R 5分别为氢，C 1至C 4烷基或苯基; x，y和z分别为0〜3，c为2〜4的整数。
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Patent Agency Ranking16.发明公开
公开(公告)号：KR1020010046069A
公开(公告)日：2001-06-05
申请号：KR1019990049666
申请日：1999-11-10
Applicant: 한국과학기술연구원
IPC: C09K5/04
CPC classification number: C09K5/045 , C09K2205/112 , C09K2205/12 , C09K2205/22 , C09K2205/43
Abstract: PURPOSE: A refrigerant mixture containing difluoromethane, pentafluoroethane, 1,1,1-trifluoroethane is provided to substitute HCFC-22(chlorodifluoromethane, CHClF2) without worry of use restraint as being no risk of ozone layer destruction. CONSTITUTION: The refrigerant mixture comprises difluoromethane(CH2F2, HFC-32) as first component; pentafluoroethane(CHF2CF3, HFC-125) as second component; 1,1,1-trifluoro ethane(CH3CF3, HFC-143a) as third component; one component selected from cyclopropane(C3H6, RC-270), 1,1,1,2,3,3,3-heptafluoropropane(CF3CHFCF3, HFC-227ea), 1,1,1,2,2-pentafluoropropane(CH3CF2CF3, HFC-245cb), isobutane(CH(CH3)2CH3, R-600a), octafluorocyclobutane(C4F8, RC-318), 1,1,1,2,3,3-hexafluoropropane(CHF2CHFCF3, HFC- 236ea), butane(C4H10, R-600), bis(difluoromethyl)ether(CHF2OCHF2, HFE-134), penta fluoroethylmethylether(CF3CF2OCH3, HFE-245).
Abstract translation: 目的：提供含有二氟甲烷，五氟乙烷，1,1,1-三氟乙烷的制冷剂混合物，代替HCFC-22（氯二氟甲烷，CHClF2），不用担心使用限制，因为没有臭氧层破坏的风险。 构成：制冷剂混合物包含作为第一成分的二氟甲烷（CH 2 F 2，HFC-32） 五氟乙烷（CHF 2 CF 3，HFC-125）作为第二成分; 作为第三成分的1,1,1-三氟乙烷（CH 3 CF 3，HFC-143a） 选自环丙烷（C 3 H 6，RC-270），1,1,1,2,3,3,3-七氟丙烷（CF 3 CHFCF 3，HFC-227ea），1,1,1,2,2-五氟丙烷（CH 3 CF 2 CF 3， HFC-245cb），异丁烷（CH（CH3）2CH3，R-600a），八氟环丁烷（C4F8，RC-318），1,1,1,2,3,3-六氟丙烷（CHF2CHFCF3，HFC-236ea），丁烷 C4H10，R-600），双（二氟甲基）醚（CHF2OCHF2，HFE-134），五氟乙基甲基醚（CF 3 CF 2 OCH 3，HFE-245）。
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公开(公告)号：KR1020010011159A
公开(公告)日：2001-02-15
申请号：KR1019990030400
申请日：1999-07-26
Applicant: 한국과학기술연구원
IPC: C07D317/36
CPC classification number: C07D317/38 , C07D317/36
Abstract: PURPOSE: A method for preparing alkylene carbonate is provided which can synthesize high yield of alkylene carbonate under unstringent condition by using a catalyst comprising manganese halide compounds and alkaline metal halide. The catalyst system has a high catalytic activity, and is easy to separate from a product because it consists of simple inorganic salts. CONSTITUTION: The alkaline carbonate of formula (1) is prepared by reacting alkylene oxide with carbon dioxide using the catalyst system consisting of one or more alkaline metal halides selected from MX (wherein, M=alkaline metal and X=Cl, Br or I) and one or more manganese halide compounds selected from MnY2 (wherein, Y=Cl, Br or I), wherein R1 and R2 are independently hydrogen or C1-C4 alkyl. The alkaline metal M is Na or K. The conditions are as follows: 90-170deg.C of a reaction temperature and 10-100 atm of an air pressure.
Abstract translation: 目的：提供一种制备碳酸亚烷基酯的方法，其可以通过使用包含卤化锰化合物和碱金属卤化物的催化剂在非收缩条件下合成高产率的碳酸亚烷基酯。 该催化剂体系具有高催化活性，易于与产品分离，因为它由简单的无机盐组成。 构成：式（1）的碱性碳酸酯通过使用由一种或多种选自MX（其中M =碱金属和X = Cl，Br或I）的碱金属卤化物组成的催化剂体系使烯化氧与二氧化碳反应制备， 和一种或多种选自MnY 2（其中，Y = Cl，Br或I）的卤化锰化合物，其中R 1和R 2独立地为氢或C 1 -C 4烷基。 碱金属M是Na或K.条件如下：反应温度为90-170℃，空气压力为10-100atm。
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公开(公告)号：KR100239680B1
公开(公告)日：2000-02-01
申请号：KR1019970051416
申请日：1997-10-07
Applicant: 한국과학기술연구원
IPC: C07C211/18
CPC classification number: C07C209/72 , C07C211/36
Abstract: 루테늄 촉매와 금속 아질산염의 존재 하에 유기 용매 중에서, 방향족 디아민을 수소화 반응시켜 시클로 지방족 디아민 화합물을 제조하는 방법으로서, 종래 기술에 비해 반응 시간이 단축되고 그 수율이 향상되는 효과가 있다.
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公开(公告)号：KR100125143B1
公开(公告)日：1997-11-27
申请号：KR1019940032574
申请日：1994-12-02
Applicant: 한국과학기술연구원
CPC classification number: B01J23/26 , B01J23/866 , C07C17/206
Abstract: The catalyst for fluorizing 1,1,1-trifluoro-2,2-dichloroethan consisted of a compound selected from a group comprising of magnesium and calcium, one or more metal element selected from a group comprising of zinc, cerium and nickel, and chrome and the preparing method thereof are disclosed. The mole ratio of chrome to magnesium or calcium is 1:1 to 1:32 and the mole ratio of chrome to metal element is at least 1:0.5. Thereby, the active ingredient of the catalyst is more uniformly distributed, thus the activity and the life of the catalyst are remarkably improved.
Abstract translation: 用于氟化1,1,1-三氟-2,2-二氯乙烷的催化剂由选自镁和钙的组成的化合物，选自锌，铈和镍的一种或多种金属元素和铬 并公开了其制备方法。 铬与镁或钙的摩尔比为1:1至1:32，铬与金属元素的摩尔比至少为1:0.5。 因此，催化剂的活性成分更均匀地分布，催化剂的活性和寿命显着提高。
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公开(公告)号：KR1019970069959A
公开(公告)日：1997-11-07
申请号：KR1019960012394
申请日：1996-04-23
Applicant: 한국과학기술연구원
IPC: C07C19/08
Abstract: 본원발명은 제1단계 반응에서 1,1,1-트리플루오로-2-클로로에탄과 불화수소와 염소를 반응시켜 HFC-134a와 HFC-125를 함께 제조하고, 제2단계 반응에서 제1단계 반응생성물에 트리클로로에틸렌을 첨가하여 HFC-133a를 제조한 다음, 제2단계 반응생성물에서 HFC-134a와 HFC-125 및 염화수소를 분리하고, 그 나머지 혼합물을 상기 제1단계 반응으로 순환시키는 것으로 이루어지는 HFC-134a와 HFC-125를 동시에 제조하는 방법에 관한 것이다.
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