4급 암모늄 아연테트라할라이드 촉매를 이용한알킬렌카보네이트 제조방법
    131.
    发明公开
    4급 암모늄 아연테트라할라이드 촉매를 이용한알킬렌카보네이트 제조방법 有权
    使用季铵化合物四氮化钯催化剂制备碳酸亚烷基酯的方法

    公开(公告)号:KR1020040061163A

    公开(公告)日:2004-07-07

    申请号:KR1020020086948

    申请日:2002-12-30

    CPC classification number: Y02P20/142

    Abstract: PURPOSE: A method for preparing an alkylene carbonate by using a quaternary ammonium zinc tetrahalide catalyst is provided to allow an alkylene carbonate to be obtained at a lower pressure and a lower temperature in a short time. CONSTITUTION: The method comprises the step of reacting an alkylene oxide and carbon dioxide in the presence of a catalyst which is a quaternary ammonium zinc tetrahalide represented by £R1R2R3R4N|2ZnXnY(4-n), wherein R1, R2, R3 and R4 which are identical or different one another represent a linear or branched alkyl group of C1-C18, an aryl group of C6-C12 or an aralkyl group of C7-C12; X and Y which are identical or different each other represent Cl, Br or I; and n is an integer of 1-4. Preferably the reaction is carried out at a temperature of 60-140 deg.C and a pressure of 10-100 atm. In the case that the reaction is carried out in a solvent, the solvent is ethylene carbonate or propylene carbonate. Preferably the alkylene oxide is represented by the formula 2, wherein R5 and R6 are identical or different each other and are an alkyl group of C1-C4 or a phenyl group.

    Abstract translation: 目的:提供通过使用季铵四卤化钛催化剂制备碳酸亚烷基酯的方法,以在短时间内在较低的压力和较低的温度下获得碳酸亚烷基酯。 构成:该方法包括在由R1R2R3R4N | 2ZnXnY(4-n)表示的四卤化四季铵锌的催化剂存在下使环氧烷和二氧化碳反应的步骤,其中R1,R2,R3和R4是 相同或不同的表示C1-C18的直链或支链烷基,C6-C12的芳基或C7-C12的芳烷基; 彼此相同或不同的X和Y表示Cl,Br或I; n为1-4的整数。 优选地,反应在60-140℃的温度和10-100atm的压力下进行。 在反应在溶剂中进行的情况下,溶剂是碳酸亚乙酯或碳酸亚丙酯。 优选地,环氧烷由式2表示,其中R 5和R 6相同或不同,并且是C 1 -C 4或苯基的烷基。

    알킬렌카보네이트 합성용 고활성 촉매
    132.
    发明授权
    알킬렌카보네이트 합성용 고활성 촉매 有权
    用于亚烷基碳酸酯合成的高活性催化剂

    公开(公告)号:KR100359874B1

    公开(公告)日:2002-11-07

    申请号:KR1020000006400

    申请日:2000-02-11

    Abstract: 알킬렌옥사이드와 이산화탄소를 반응시켜 [화학식 2]로 표현되는 알킬렌카보네이트를 합성하는데 사용되는 하기 [화학식 1]로 표현되는 촉매.
    [화학식 1]
    L
    m MX
    n
    여기에서, L은 피리딘계 화합물이고,
    M은 Zn, Fe, Mn, Pb, In에서 선택되는 금속원자이고,
    X는 Cl, Br, I에서 선택되는 할로겐 원자이고,
    m은 1 또는 2, n은 2 또는 3이다.
    [화학식 2]

    (단, R
    1 과 R
    2 는 각각 독립적으로 수소, C
    1 ~C
    4 의 알킬기 또는 페닐기이다.)

    알킬렌 카보네이트의 제조방법
    133.
    发明公开
    알킬렌 카보네이트의 제조방법 有权
    碳酸亚乙酯的生产方法

    公开(公告)号:KR1020020066819A

    公开(公告)日:2002-08-21

    申请号:KR1020010007231

    申请日:2001-02-14

    Abstract: PURPOSE: Provided is a production method of alkylene carbonates by reacting alkylene oxide and carbon dioxide, in high yield within a short period of time. CONSTITUTION: The production method of alkylene carbonate of the formula(2) is characterized by reacting alkylene oxide and carbon dioxide using a catalyst such as a zinc compound having a bridged ligand consisting of a pyrimidine compound of the formula(1): Znn(μ-OR)nX2n and alkylene oxide and halogen ion as a ligand. In the formula(1), R is a compound consisting of ethylene oxide and pyrimidine compound, X is a halogen atom selected from the group consisting of Cl, Br, I, and n is an integer of 2 or 3. In the formula(2), R1 and R2 are independently hydrogen, a C1-4 alkyl group or a phenyl group.

    Abstract translation: 目的:提供在短时间内以高收率使环氧烷和二氧化碳反应的碳酸亚烷基酯的制造方法。 构成:式(2)的碳酸亚烃的制备方法的特征在于使用催化剂如具有由式(1)的嘧啶化合物构成的桥连配体的锌化合物的催化剂:Znn(μ -OR)nX2n和氧化烯和卤素离子作为配体。 在式(1)中,R是由环氧乙烷和嘧啶化合物组成的化合物,X是选自Cl,Br,I的卤素原子,n是2或3的整数。在式 2)中,R 1和R 2独立地为氢,C 1-4烷基或苯基。

    알킬렌카보네이트 합성용 고활성 촉매
    135.
    发明公开
    알킬렌카보네이트 합성용 고활성 촉매 有权
    用于合成亚烷基碳酸酯的高活性催化剂

    公开(公告)号:KR1020010081223A

    公开(公告)日:2001-08-29

    申请号:KR1020000006400

    申请日:2000-02-11

    Abstract: PURPOSE: A highly activated catalyst for synthesizing alkylene carbonate is provided to synthesize alkylene carbonate at low temperature and pressure in good yield and easily separate the catalyst from the product. CONSTITUTION: When preparing alkylene carbonate, which is expressed by Formula 2, by reacting alkylene oxide with carbon dioxide, a catalyst expressed by LmMXn(Formula 1) is used. In Formula 1, L is pyridine compound; M is an atom selected from Zn, Fe, Mn, Pb and In; X is a halogen atom selected from Cl, Br and I; m is 1 or 2; and n is 2 or 3. The pyridine compound L can have the structure of Formulas 3, 4 or 5. The metal halide compound MXn can be ZnX2, FeX2, FeX3, MnX2, PbX2 or InX3.

    Abstract translation: 目的:提供用于合成碳酸亚烷基酯的高活性催化剂,以低产率和低压合成碳酸亚烷基酯,并容易将催化剂与产物分离。 构成:使用式2表示的碳酸亚烃通过使环氧烷与二氧化碳反应,使用LmMXn(式1)表示的催化剂。 在式1中,L是吡啶化合物; M是选自Zn,Fe,Mn,Pb和In的原子; X是选自Cl,Br和I的卤素原子; m为1或2; 吡啶化合物L可以具有式3,4或5的结构。金属卤化物MXn可以是ZnX2,FeX2,FeX3,MnX2,PbX2或InX3。

    디플루오로메탄(HFC-32),펜타플루오로에탄(HFC-125)과1,1,1,2-테트라플루오로에탄(HFC-134a)을포함하는 냉매 혼합물
    136.
    发明公开
    디플루오로메탄(HFC-32),펜타플루오로에탄(HFC-125)과1,1,1,2-테트라플루오로에탄(HFC-134a)을포함하는 냉매 혼합물 失效
    包含二氟甲磺酸的制冷混合物(HFC-32),二氟甲烷(HFC-125),1,1,1,2-四氢呋喃(HFC-134A)

    公开(公告)号:KR1020010044992A

    公开(公告)日:2001-06-05

    申请号:KR1019990048069

    申请日:1999-11-02

    CPC classification number: C09K5/045 C09K2205/12 C09K2205/43

    Abstract: PURPOSE: A refrigerants mixture containing HFC-32, HFC-125, HFC-134A is provided to substitute HCFC-22(chlorodifluoromethane, CHClF2) by maintaining identical working effect without risk of ozone layer destruction. CONSTITUTION: The refrigerant mixture comprises difluoromethane(CH2F2, HFC-32) as first component; pentafluoroethane(CHF2CF3, HFC-125) as second component; 1,1,1,2-tetrafluoroethane(CH2FCF3, HFC-134A) as third component; one component selected from cyclopropane(C3H6, RC-270), 1,1-difluoroethane(CH3CHF2, HFC-152a), 1,1,1,2,3,3,3-heptafluoropropane(CF3CHFCF3, HFC-227ea), 1,1,1,2,2-pentafluoropropane (CH3CF2CF3, HFC-245cb), octafluorocyclobutane(C4F8, RC-318), 1,1,1,2,3,3-hexafluoro propane(CHF2CHFCH3, HFC-236ea), bis(difluoromethyl)ether(CHF2OCHF2, HFE-134), pentafluoroethylmethylether (CF3CF2OCH3, HFE-245), n-pentane(C5H12, R601), isopentane((CH3)2CHCH2CH3, R601a) as fourth component.

    Abstract translation: 目的:提供含有HFC-32,HFC-125,HFC-134A的制冷剂混合物,通过维持相同的工作效果来代替HCFC-22(氯二氟甲烷,CHClF2),而不会破坏臭氧层的风险。 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1,1,1,2-四氟乙烷(CH 2 CFF 3,HFC-134A) 一种选自环丙烷(C 3 H 6,RC-270),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 ,1,1,2,2-五氟丙烷(CH 3 CF 2 CF 3,HFC-245cb),八氟环丁烷(C 4 F 8,RC-318),1,1,1,2,3,3-六氟丙烷(CHF 2 CHFCH 3,HFC-236ea),双 (二氟甲基)醚(CHF 2 OCHF 2,HFE-134),五氟乙基甲基醚(CF 3 CF 2 OCH 3,HFE-245),正戊烷(C5H12,R601),异戊烷((CH 3)2 CHCH 2 CH 3,R 601a)

    디플루오로메탄과1,1,1,2-테트라플루오로에탄을포함하는냉매혼합물
    139.
    发明公开
    디플루오로메탄과1,1,1,2-테트라플루오로에탄을포함하는냉매혼합물 失效
    含二聚异戊二烯和1,1,1,2-四氢呋喃的制冷混合物

    公开(公告)号:KR1020000041709A

    公开(公告)日:2000-07-15

    申请号:KR1019980057663

    申请日:1998-12-23

    Abstract: PURPOSE: A refrigerant mixture added one component of HFC-236ea, R-600a and HFC-236ea to a mixture of HFC-32 and HFC-134a 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(CHCIF2) comprises difluoromethane(CH2F2, HFC-32) as a first component, 1,1,1,2-tetrafluoroethane(CF3CH2F, HFC-134a) as a second component and one component selected from the group of 1,1,1,2,3,3,3-heptafluoropropane(CH3CHFCF3, HFC-236ea), isobutane(C4H10, R-600a) and 1,1,1,2,3,3-hexafluoropropane(CHF2CHFCF3, HFC-236ea) a third component. The composition of HFC-32, HFC-134a and HFC-227ea is 35 to 70% by weight, 5 to 60% by weight and 5 to 30% by weight respectively.

    Abstract translation: 目的:提供一种制冷剂混合物,将HFC-236ea,R-600a和HFC-236ea的一个组分另外添加到HFC-32和HFC-134a的混合物中,其性能类似于HCFC-22。 构成:可用作替代氯二氟甲烷(CHCIF2)的无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 2 F 2,HFC-32),1,1,1,2-四氟乙烷(CF 3 CH 2 F,HFC -134a)作为第二组分和一种选自1,1,1,2,3,3,3-七氟丙烷(CH 3 CHFCF 3,HFC-236ea),异丁烷(C 4 H 10,R-600a)和1,1 ,1,2,3,3-六氟丙烷(CHF 2 CHFCF 3,HFC-236ea)第三组分。 HFC-32,HFC-134a和HFC-227ea的组成分别为35〜70重量%,5〜60重量%和5〜30重量%。

    카바메이트류의 제조방법
    140.
    发明授权
    카바메이트류의 제조방법 失效
    在CU(I)复合物的过程中形成碳酸酯

    公开(公告)号:KR100239678B1

    公开(公告)日:2000-01-15

    申请号:KR1019970018548

    申请日:1997-05-13

    CPC classification number: C07C269/04 C07C271/24 C07C271/28 C07C271/36

    Abstract: Cu[NCMe
    4 ]X, K[CuX
    2 ], [(CuX)(S)]
    n (X=Cl, Br, I ; S =용매)의 구조식 (X=Cl, Br, I)을 갖는 1가의 할로겐화 구리화합물, 또는 구조식[Cu(CO)X
    a L
    b ]
    m Y
    n (X=CF
    3 CO
    2 , Cl, HB(pz)
    3 (pz = pyrazoyl, C
    3 H
    3 N
    2 ), LBF
    2 {LBF
    2 = difluoro-3,3'-(trimethylenedinitrilo)bis(2-butanone oximato)borate}; L = en, diene; Y=BPh
    4 , AsF
    6 ; a,b =0, 1 ; m =1-4; n=0,1)의 카르보닐기 (Cu-CO)를 갖는 1가의 구리 화합물 중에서 선택된 1종 이상의 촉매 존재 하에서 아민을 알코올 및 CO/O
    2 혼합가스와 반응시키는 것으로 되는 카바메이트류의 제조방법이 제공된다.

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