반응증류탑 충진용 펠릿형 칼륨담지 마그네시아 촉매의제조방법
    31.
    发明公开
    반응증류탑 충진용 펠릿형 칼륨담지 마그네시아 촉매의제조방법 失效
    用于制备用于反应蒸馏塔的K / MGO颗粒催化剂的方法

    公开(公告)号:KR1020050046336A

    公开(公告)日:2005-05-18

    申请号:KR1020030080582

    申请日:2003-11-14

    CPC classification number: B01J37/0009 B01J23/04 B01J37/08

    Abstract: 본 발명은 에틸렌카보네이트와 메탄올의 에스테르 교환반응과 생성된 디메틸카보네이트의 증류가 동시에 이루어지는 반응증류탑 충진용 펠릿형 K/MgO 촉매의 제조방법에 관한 것으로서, 더욱 상세하게는 촉매 지지체로서 마그네시아(MgO)를 펠릿상으로 성형하여 소성하는 방법과 성형된 MgO 펠릿의 표면 및 기공에 칼륨(K) 성분을 담지하여 소성하는 방법을 특이성 있게 수행하여 제조됨으로써 반응증류탑 내의 고정층 충진물겸 촉매로서 우수한 성능을 보이는 펠릿형 K/MgO 불균일촉매의 제조방법에 관한 것이다.

    헥사플루오로프로필렌과 하이포염소산나트륨로부터헥사플루오로프로필렌 옥사이드를 제조하는 방법
    33.
    发明授权
    헥사플루오로프로필렌과 하이포염소산나트륨로부터헥사플루오로프로필렌 옥사이드를 제조하는 방법 失效
    헥사플루오로프로필렌과하이포염소산나트륨로터헥사플루오로프로필렌사이드를제조하는방법

    公开(公告)号:KR100468526B1

    公开(公告)日:2005-01-27

    申请号:KR1020010065241

    申请日:2001-10-23

    Abstract: PURPOSE: A process for preparing hexafluoropropylene oxide from hexafluoropropylene and sodium hypochlorite is provided, thereby rapidly and selectively preparing the hexafluoropropylene oxide in higher yields. CONSTITUTION: A process for preparing hexafluoropropylene oxide from hexafluoropropylene and sodium hypochlorite comprises the steps of: (1) mixing an organic solvent with a sodium hypochlorite(NaOCl) solution; (2) adding a phase shift catalyst and an oxidation catalyst into the mixture; (3) cooling the mixture to -20 to 0 deg. C, followed by vacuum pumping it to remove air, and dissolving hexafluoropropylene(HFP) in it; (4) reacting the mixture at -20 to 0 deg. C; and (5) slowly increasing temperature of the mixture from -20-0 deg. C to 40-60 deg. C, wherein the phase shift catalyst is halogenide of quaternary ammonium salt(R-tetraammonium-X), in which R is C2-7 of alkyl and X is Cl, Br or I; and the oxidation catalyst is transition metal chloride.

    Abstract translation: 目的:提供一种由六氟丙烯和次氯酸钠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。 组成:由六氟丙烯和次氯酸钠制备六氟环氧丙烷的方法包括以下步骤:(1)将有机溶剂与次氯酸钠(NaOCl)溶液混合; (2)向混合物中加入相变催化剂和氧化催化剂; (3)将混合物冷却至-20至0℃。 C,然后真空抽去空气,并将六氟丙烯(HFP)溶解在其中; (4)在-20至0℃下使混合物反应。 C; 和(5)将混合物的温度从-20℃缓慢升高。 C到40-60度。 其中所述相变催化剂为季铵盐(R-四铵-X)的卤化物,其中R为烷基的C 2-7且X为Cl,Br或I; 并且氧化催化剂是过渡金属氯化物。

    저온용 냉매 조성물
    34.
    发明公开
    저온용 냉매 조성물 无效
    冷却低温液体组合物,不含氟氯化碳和氟氯烃,可替代R-502破坏臭氧层

    公开(公告)号:KR1020040082067A

    公开(公告)日:2004-09-24

    申请号:KR1020030016683

    申请日:2003-03-18

    CPC classification number: C09K5/045 C09K2205/122 C09K2205/22 C09K2205/47

    Abstract: PURPOSE: A cooling fluid composition for low temperature is provided, to obtain a novel cooling fluid composition which contains no CFC and HCFC and can replace R-502 destroying the ozone layer. CONSTITUTION: The cooling fluid composition comprises 10-60 wt% of difluoromethane (CH2F2, HFC-32); 5-75 wt% of pentafluoroethane (CHF2CF3, HFC-125); and 15-35 wt% of 1,1,2,2-tetrafluoroethane (CHF2CHF2, HFC-134). Also the cooling fluid composition comprises 10-70 wt% of difluoromethane (CH2F2, HFC-32); 10-82 wt% of pentafluoroethane (CHF2CF3, HFC-125); and 8-20 wt% of 1,1-difluoroethane (CH3CHF2, HFC-152a).

    Abstract translation: 目的:提供一种用于低温的冷却液组合物,以获得不含CFC和HCFC的新型冷却液组合物,可代替破坏臭氧层的R-502。 构成:冷却液组合物包含10-60重量%的二氟甲烷(CH 2 F 2,HFC-32); 5-75重量%的五氟乙烷(CHF 2 CF 3,HFC-125); 和15-35重量%的1,1,2,2-四氟乙烷(CHF 2 CHF 2,HFC-134)。 冷却流体组合物还包含10-70重量%的二氟甲烷(CH 2 F 2,HFC-32); 10-82重量%的五氟乙烷(CHF 2 CF 3,HFC-125); 和8-20重量%的1,1-二氟乙烷(CH 3 CHF 2,HFC-152a)。

    연료전지 자동차용 가솔린 개질촉매 및 이의 제조방법
    35.
    发明授权
    연료전지 자동차용 가솔린 개질촉매 및 이의 제조방법 失效
    연료전지자동차용가솔린개질촉매및이의제조방

    公开(公告)号:KR100448683B1

    公开(公告)日:2004-09-16

    申请号:KR1020020021236

    申请日:2002-04-18

    Abstract: PURPOSE: A gasoline reforming catalyst for fuel cell automobiles is provided, which has high catalyst activity, high hydrogen selectivity and low CO selectivity and has improved durability against carbon deposition or sulfur poisoning, and a preparation method of the same is provided. CONSTITUTION: The gasoline reforming catalyst for fuel cell automobiles is characterized in that the catalyst is manufactured by supporting 5 to 15 wt.% of Mg as a base catalyst constituent and two or more transition metals selected from transition metal group consisting of 2 to 15 wt.% of Ni, 0.1 to 15 wt.% of Co, 2 to 15 wt.% of Fe, 2 to 15 wt.% of Mo, 0.1 to 1.0 wt.% of Cr, 0 to 0.005 wt.% of Ti and 0 to 0.005 wt.% of Zr as active catalyst constituents onto a porous support of γ-alumina or silica-alumina(Si-Al), wherein content of the porous support is 21 to 42 wt.% based on the metal weight.

    Abstract translation: 目的:提供一种燃料电池汽车用汽油重整催化剂,其催化剂活性高,氢选择性高,CO选择性低,对碳沉积或硫中毒的耐久性提高,并提供了其制备方法。 构成:燃料电池汽车用汽油重整用催化剂的特征在于,催化剂通过负载5〜15重量%的作为碱催化剂成分的Mg和2〜15重量%的选自过渡金属的过渡金属 ,Ni:0.1〜15重量%,Fe:2〜15重量%,Mo:2〜15重量%,Cr:0.1〜1.0重量%,Ti:0〜0.005重量% 0至0.005重量%的作为活性催化剂组分的Zr加入到γ-氧化铝或二氧化硅 - 氧化铝(Si-Al)的多孔载体上,其中多孔载体的含量基于金属为21至42重量% 重量。

    디페닐카보네이트의 제조방법
    36.
    发明公开
    디페닐카보네이트의 제조방법 失效
    碳酸二苯酯的制备方法

    公开(公告)号:KR1020040061896A

    公开(公告)日:2004-07-07

    申请号:KR1020020088198

    申请日:2002-12-31

    Abstract: PURPOSE: A method for preparing diphenyl carbonate is provided, to obtain diphenyl carbonate used as a source material of polycarbonate with a high yield in a wider temperature range within a short time with minimizing side reaction. CONSTITUTION: The method comprises the step of reacting dimethyl carbonate and phenol in a catalyst which is a mixture of an organic tin compound represented by R2SnO and a sulfuric acid derivative represented by R¬1SO3H, R is an alkyl group of C1-C6 or a phenyl group; and R1 is a halogen atom, an alkyl group of C1-C6, a haloalkyl group of C1-C6 or a tolyl group. Preferably the content of the catalyst is 0.1-10 mol% based on the amount of dimethyl carbonate; the molar ratio of the sulfuric acid derivative to the organic tin compound is 2-20; reaction temperature is 130-250 deg.C; and the reaction time is 1-24 hours.

    Abstract translation: 目的:提供一种制备碳酸二苯酯的方法,以在短时间内在较宽的温度范围内以高收率获得用作聚碳酸酯的原料的碳酸二苯酯,同时尽量减少副反应。 方法:该方法包括使碳酸二甲酯和苯酚反应在由R2SnO表示的有机锡化合物和由R 1 SO 3 H表示的硫酸衍生物的混合物中的R 1,R 2,R 2, 苯基; R1为卤素原子,C1-C6烷基,C1-C6卤代烷基或甲苯基。 催化剂的含量优选为0.1-10mol%,基于碳酸二甲酯的量; 硫酸衍生物与有机锡化合物的摩尔比为2-20; 反应温度为130-250℃; 反应时间为1-24小时。

    혼합냉매 조성물
    37.
    发明公开
    혼합냉매 조성물 失效
    混合冷却剂组合物

    公开(公告)号:KR1020020067354A

    公开(公告)日:2002-08-22

    申请号:KR1020010007884

    申请日:2001-02-16

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

    Abstract: PURPOSE: A mixture coolant composition is provided, which can replace chlorodifluoromethane(CHClF2, referred as HCFC-22), does not destroy an ozone layer and is used in a refrigerator and an air conditioner for a car. CONSTITUTION: The mixture coolant composition comprises 50-60 wt% of difluoromethane(HFC-32); 10-30 wt% of 1,1,1,2-tetrafluoroethane(HFC-134a); 10-20 wt% of 1,1,1,2,3,3,3,-heptafluoropropane(HFC-227ea); and 5-15 wt% of isobutane(R-600a). The mixture coolant composition comprises 50-70 wt% of HFC-32; 10-30 wt% of HFC-134a; 10-20 wt% of HFC-227ea; and 5-15 wt% of 1,1,1,2,3,3-hexafluoropropane(HFC-2363a). The mixture coolant composition comprises 50-70 wt% of HFC-32; 10-30 wt% of HFC-134a; 10-20 wt% of HFC-227ea; and 5-12 wt% of butane(R-600). Also the mixture coolant composition comprises 40-70 wt% of HFC-32; 10-40 wt% of 1,1-difluoroethane(HFC-152a); 10-20 wt% of HFC-227ea; and 5-15 wt% of one selected from the group consisting of R-600a. The mixture coolant composition comprises 50-70 wt% of HFC-32; 10-40 wt% of HFC-152a; 10-20 wt% of HFC-227ea; and 5-15 wt% of HFC-2363a. The mixture coolant composition comprises 40-70 wt% of HFC-32; 10-40 wt% of HFC-152a; 10-20 wt% of HFC-227ea; and 5-12 wt% of R-600.

    Abstract translation: 目的:提供混合的冷却剂组合物,其可以替代氯二氟甲烷(CHClF 2,称为HCFC-22),不破坏臭氧层,并用于冰箱和汽车空调。 构成:混合物冷却剂组合物包含50-60重量%的二氟甲烷(HFC-32); 10-30重量%的1,1,1,2-四氟乙烷(HFC-134a); 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)。 混合物冷却剂组合物包含50-70重量%的HFC-32; 10-30重量%的HFC-134a; 10-20重量%的HFC-227ea; 和5-15重量%的1,1,1,2,3,3-六氟丙烷(HFC-2363a)。 混合物冷却剂组合物包含50-70重量%的HFC-32; 10-30重量%的HFC-134a; 10-20重量%的HFC-227ea; 和5-12重量%的丁烷(R-600)。 混合冷却剂组合物还包含40-70重量%的HFC-32; 10-40重量%的1,1-二氟乙烷(HFC-152a); 10-20重量%的HFC-227ea; 和5-15重量%的选自R-600a的一种。 混合物冷却剂组合物包含50-70重量%的HFC-32; 10-40重量%的HFC-152a; 10-20重量%的HFC-227ea; 和5-15重量%的HFC-2363a。 混合物冷却剂组合物包含40-70重量%的HFC-32; 10-40重量%的HFC-152a; 10-20重量%的HFC-227ea; 和5-12重量%的R-600。

    디플루오로메탄(HFC-32),펜타플루오로에탄(HFC-125)과1,1,1,2-테트라플루오로에탄(HFC-134a)을포함하는 냉매 혼합물
    38.
    发明授权

    公开(公告)号:KR100340275B1

    公开(公告)日:2002-06-12

    申请号:KR1019990048069

    申请日:1999-11-02

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

    Abstract: 본발명은제1 성분으로서디플루오로메탄(CHF, 이하 HFC-32), 제2 성분으로서펜타플루오로에탄(CHFCF, 이하 HFC-125), 제3 성분으로서 1,1,1,2-테트라플루오로에탄 (CHFCF, 이하 HFC-134a)을포함하고, 제4 성분으로서사이클로프로판 (CH, 이하 RC-270), 1,1-디플루오로에탄(CHCHF, 이하 HFC-152a), 1,1,1,2,3,3,3-헵타플루오로프로판 (CFCHFCF, 이하 HFC-227ea), 1,1,1,2,2-펜타플루오로프로판 (CHCFCF, 이하 HFC-245cb), 옥타플루오로사이클로부탄 (CF, 이하 RC-318), 1,1,1,2,3,3-헥사플루오로프로판(CHFCHFCF, 이하 HFC-236ea), 비스(디플루오로메틸)에테르(CHFOCHF, 이하 HFE-134), 펜타플루오로에틸메틸에테르(CFCFOCH, HFE-245), n-펜탄(CH, 이하 R601), 이소펜탄((CH)CHCHCH, 이하 R-601a) 중한 성분을포함하는 HCFC-22 대체용새로운냉매혼합물에관한것이다. 본발명에따른냉매혼합물은오존층파괴의위험이전혀없으면서동등한작용효과를보유하여 HCFC-22 대체냉매로서사용할수 있다.

    디플루오로메탄과1,1-디플루오로에탄을포함하는냉매혼합물
    39.
    发明授权
    디플루오로메탄과1,1-디플루오로에탄을포함하는냉매혼합물 失效
    包含二氟甲烷和1,1-二氟乙烷的制冷剂混合物

    公开(公告)号:KR100309445B1

    公开(公告)日:2001-12-28

    申请号:KR1019980057662

    申请日:1998-12-23

    Abstract: 본 발명은 제 1 성분으로 디플루오로메탄(CH
    2 F
    2 , 이하 HFC-32), 제 2 성분으로 1,1-디플루오로에탄(CH
    3 CHF
    2 , HFC-152a)를 포함하고, 제 3 성분으로 1,1,1,2,3,3,3-헵타플루오로프로판(CF
    3 CHFCF
    3 , HFC-227ea), 이소부탄(CH(CH
    3 )
    2 CH
    3 , R-600a), 1,1,1,2,3,3-헥사플루오로프로판(CHF
    2 CHFCF
    3 , HFC-236ea), 부탄(C
    4 H
    10 , R-600), 비스(디플루오로메틸)에테르(CHF
    2 OCHF
    2 ,HFE-134) 및 펜타플루오르에틸메틸에테르(CF
    3 CF
    2 OCH
    3 , HFE-245)로 이루어진 군 중에서 선택된 어느 한 성분을 포함하는 HCFC-22 대체용 냉매 혼합물을 제공한다.

    클로로디플루오로메탄(HCFC-22)대체용냉매혼합물
    40.
    发明授权
    클로로디플루오로메탄(HCFC-22)대체용냉매혼합물 失效
    替代氯二氟甲烷(HCFC-22)的制冷剂混合物

    公开(公告)号:KR100305079B1

    公开(公告)日:2001-09-12

    申请号:KR1019980057664

    申请日:1998-12-23

    Abstract: 본 발명은 제 1 성분으로 디플루오로메탄(CH
    3 F
    2 , HFC-32)을 포함하고, 제 2 성분 및 제 3 성분으로 퍼플루오로프로판(C
    3 F
    8 , PFC-218)과 1,1-디플루오로에탄(CH
    3 CHF
    2 , HFC-152a), 또는 사이클로프로판(C
    3 H
    6 , RC-270)과 1,1,1,2,2-펜타플루오로프로판(CH
    3 CF
    2 CF
    3 , HFC-245cb), 또는 부탄(C
    4 H
    10 , R-600)과 비스(디플루오로메틸)에테르(CHF
    2 OCHF
    2 , HFE-134)를 포함하는 HCFC-22 대체용 냉매 혼합물을 제공한다.

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