公开(公告)号：KR1020050008132A

公开(公告)日：2005-01-21

申请号：KR1020030047978

申请日：2003-07-14

Applicant: 한국과학기술연구원

Inventor： 김훈식 ,  안병성 ,  오상정 ,  김동규 ,  박건유

IPC: C07C67/24

Abstract: PURPOSE: Provided is a method for producing (alkoxy polyoxyalkylene glycol)alkyl unsaturated carboxylic acid diester compounds which have excellent thermal stability and shelf stability and thus are useful for starting materials of concrete admixture. CONSTITUTION: The method for producing an (alkoxy polyoxyalkylene glycol)alkyl unsaturated carboxylic acid diester compound represented by the following formula 1 comprises carrying out transesterification of a dialkyl ester of unsaturated dicarboxylic acid containing at least one double bond, represented by the following formula 2 with a (polyoxyalkyleneglycol)alkyl ether represented by the following formula 3 in the presence of an acid catalyst. In the above formulae 1-3, R1 is a C1-C6 unsaturated hydrocarbon group containing at least one double bond; R2 is a C2-C6 alkylene group; each of R3 and R4 is a C1-C6 alkyl group; and n is the number of added oxyalkylene group and represents an integer of 3-24.

Abstract translation: 目的：提供具有优异的热稳定性和储存稳定性的（烷氧基聚氧亚烷基二醇）烷基不饱和羧酸二酯化合物的方法，因此可用于混凝土外加剂的原料。 构成：由下式1表示的（烷氧基聚氧亚烷基二醇）烷基不饱和羧酸二酯化合物的制造方法包括：将由下式2表示的含有至少一个双键的不饱和二羧酸二烷基酯与 在酸催化剂存在下由下式3表示的（聚氧亚烷基二醇）烷基醚。 在上式1-3中，R 1是含有至少一个双键的C1-C6不饱和烃基; R2是C2-C6亚烷基; R 3和R 4各自为C 1 -C 6烷基; n为添加的氧化烯基数，为3〜24的整数。

公开(公告)号：KR1020040089187A

公开(公告)日：2004-10-21

申请号：KR1020030022842

申请日：2003-04-11

Applicant: 한국과학기술연구원

Inventor： 김종학 ,  강용수 ,  정범석 ,  원종옥 ,  민병렬 ,  김훈식

IPC: C08J5/22

CPC classification number: C10G31/11 ,  B01D53/228 ,  B01D69/142 ,  C07C7/144 ,  C07C11/02

Abstract: PURPOSE: A facilitated transport membrane having a transition metal salt-polymer membrane and a multiporous support membrane is provided to have high transmissivity and selectivity against unsaturated hydrocarbons such as alkenes and to keep the activity for a long time without any stability problems such as carrier loss. CONSTITUTION: The facilitated transport membrane for isolating an alkene-based hydrocarbon from a hydrocarbon mixture comprises a transition metal salt-polymer membrane and a multiporous support membrane. The transition metal salt-polymer membrane is composed of a transition metal salt and a polymer which is capable of physically dispersing the transition metal salt, not dissolving and is free of any functional groups forming a complex with the transition metal salt. The polymer is a polyolefin-based polymer or a polysiloxane-based polymer.

Abstract translation: 目的：提供一种具有过渡金属盐 - 聚合物膜和多孔载体膜的便利的输送膜，以对不饱和烃如烯烃具有高透射率和选择性，并保持长时间的活性而没有任何稳定性问题，如载流子损失 。 构成：用于从烃混合物中分离烯烃基烃的促进的输送膜包括过渡金属盐 - 聚合物膜和多孔载体膜。 过渡金属盐 - 聚合物膜由过渡金属盐和能够物理分散过渡金属盐而不溶解并且不含与过渡金属盐形成络合物的任何官能团的聚合物组成。 聚合物是基于聚烯烃的聚合物或基于聚硅氧烷的聚合物。

公开(公告)号：KR1020040085948A

公开(公告)日：2004-10-08

申请号：KR1020030020810

申请日：2003-04-02

Applicant: 한국과학기술연구원

Inventor： 이현주 ,  김경환 ,  김홍곤 ,  김훈식 ,  이상득

IPC: C07C29/09

Abstract: PURPOSE: Provided is a process for preparing 2,2,2-trifluoroethanol with high yield in a short time by adding a specific salt. CONSTITUTION: The process for preparing 2,2,2-trifluoroethanol by the hydrolysis of 1-chloro-2,2,2-trifluoroethane in the presence of base comprises adding to the reactants an imidazolium salt represented by the formula 1, an ammonium salt represented by the formula 2 or a phosphate salt represented by the formula 3. In the formulae 1-3, each of R1 to R4 is independently alkyl group of C1-C8, benzyl group or phenyl group and X is selected from F, Cl, Br and I. In the process, the base is selected from hydroxide salt, carbonate salt and acetate salt of lithium, sodium and potassium, and organic acid salt represented by the formula 4, wherein A is O or NH, n is 3, 4 or 5, and M is Li, Na or K.

Abstract translation: 目的：提供通过添加特定盐在短时间内以高产率制备2,2,2-三氟乙醇的方法。 构成：在碱存在下通过水解1-氯-2,2,2-三氟乙烷制备2,2,2-三氟乙醇的方法包括向反应物中加入由式1表示的咪唑鎓盐，铵盐 由式2表示的磷酸盐或由式3表示的磷酸盐。在式1-3中，R 1至R 4各自独立地为C 1 -C 8烷基，苄基或苯基，X选自F，Cl， Br和I.在该方法中，碱选自锂，钠和钾的氢氧化物盐，碳酸盐和乙酸盐，以及由式4表示的有机酸盐，其中A是O或NH，n是3,4 或5，M为Li，Na或K.

公开(公告)号：KR1020040061896A

公开(公告)日：2004-07-07

申请号：KR1020020088198

申请日：2002-12-31

Applicant: 한국과학기술연구원

Inventor： 이현주 ,  김훈식 ,  안병성 ,  이병권

IPC: C07C68/06

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。

公开(公告)号：KR1020040057695A

公开(公告)日：2004-07-02

申请号：KR1020020084483

申请日：2002-12-26

Applicant: 한국과학기술연구원

Inventor： 이현주 ,  김경환 ,  김홍곤 ,  김훈식 ,  박건유

IPC: C07C29/124

Abstract: PURPOSE: Provided is a process for producing 2,2,2-trifluoroethanol at a low reaction temperature for a short time in a high yield by using an imidazolium-based ionic solvent. CONSTITUTION: The 2,2,2-trifluoroethanol is produced by hydrolyzing 1-chloro-2,2,2-trifluoroethane in the presence of the imidazolium-based ionic solvent represented by the formula 1 and a base such a hydroxide salt of lithium, sodium and potassium, a carbonate, an acetate, and an organic acid salt. In the formula, R1 and R2 are independently C1-C8 alkyl or benzyl and X is PF6, BF4, NO3, NO2, CH3CO2, CF3CO2, or CF3SO3.

Abstract translation: 目的：提供使用咪唑鎓系离子溶剂，在低反应温度下短时间高收率地制备2,2,2-三氟乙醇的方法。 构成：2,2,2-三氟乙醇是通过在由式1表示的基于咪唑鎓的离子溶剂存在下水解1-氯-2,2,2-三氟乙烷和碱如锂的氢氧化物盐， 钠和钾，碳酸盐，乙酸盐和有机酸盐。 在该式中，R 1和R 2独立地为C 1 -C 8烷基或苄基，X为PF 6，BF 4，NO 3，NO 2，CH 3 CO 2，CF 3 CO 2或CF 3 SO 3。

公开(公告)号：KR100340275B1

公开(公告)日：2002-06-12

申请号：KR1019990048069

申请日：1999-11-02

Applicant: 한국과학기술연구원

Inventor： 임종성 ,  이병권 ,  김재덕 ,  이상득 ,  김훈식

IPC: C09K5/04

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.

公开(公告)号：KR1020010073629A

公开(公告)日：2001-08-01

申请号：KR1020000002395

申请日：2000-01-19

Applicant: 한국과학기술연구원

Inventor： 김훈식 ,  이현주 ,  김홍곤 ,  이상득 ,  권영수

IPC: C07C41/01

Abstract: PURPOSE: A method is provided which manufactures 2,2,2-trifluoroethyl difluoromethyl ether simply and in a high yield by reacting CF3CH2OH with CHCl3 and HF under the existence of a catalyst. CONSTITUTION: In a method for manufacturing 2,2,2-trifluoroethyl difluoromethyl ether, the method is characterized in that CF3CH2OH is reacted with CHCl3 and HF under the existence of a catalyst, that is, chlorides, fluorides or oxides of a metal selected from the group consisting of B, Sn, Ti, Al, Zn, and Ce, wherein an amount of the catalyst is 0.005 to 1 mole per one mole of trifluoroethanol, wherein an amount of CHCl3 is 1 to 10 moles per one mole of trifluoroethanol, wherein an amount of HF is 5 to 50 moles per one mole of trifluoroethanol, and wherein a temperature of the reaction is 100 to 200 deg.C.

Abstract translation: 目的：提供一种通过在催化剂存在下使CF 3 CH 2 OH与CHCl 3和HF反应而简单地且高产率地制备2,2,2-三氟乙基二氟甲基醚的方法。 构成：在制备2,2,2-三氟乙基二氟甲基醚的方法中，该方法的特征在于CF 3 CH 2 OH在催化剂存在下，即氯化物，氟化物或金属氧化物与CHCl 3和HF反应， 由B，Sn，Ti，Al，Zn和Ce组成的组，其中催化剂的量相对于每摩尔三氟乙醇为0.005〜1摩尔，其中CHCl 3的量为每摩尔三氟乙醇1至10摩尔， 其中HF的量相对于每摩尔三氟乙醇为5〜50摩尔，反应温度为100〜200℃。

公开(公告)号：KR100287363B1

公开(公告)日：2001-04-16

申请号：KR1019980038445

申请日：1998-09-17

Applicant: 한국과학기술연구원

Inventor： 이현주 ,  김훈식 ,  김홍곤 ,  안병성 ,  이병권

IPC: C07C43/12

Abstract: M
2 CO
3 (M=알칼리금속)의 일반식을 가지는 탄산알칼리의 촉매하에서, 1,1-디플루오로에틸렌과 메탄올을 반응시켜 1,1-디플루오로에틸메틸에테르를 제조하는 방법에 관한 것이다. 본 발명에 따른 신규의 디플루오로메틸에테르의 제조방법은 탄산알칼리 촉매를 사용함으로써, 강염기를 사용한 종래의 제조방법을 개선하여, 장치의 부식을 막고, 부산물의 생성을 감소시키고, 고수율의 산물을 얻을 수 있는 장점이 있다.

公开(公告)号：KR100275793B1

公开(公告)日：2000-12-15

申请号：KR1019980038729

申请日：1998-09-18

Applicant: 한국과학기술연구원

Inventor： 김훈식 ,  김용진 ,  이현주 ,  정문조 ,  이상득

IPC: C07C273/04

CPC classification number: C07C273/1809 ,  C07C2601/14 ,  C07C275/06 ,  C07C275/18 ,  C07C275/24

Abstract: 본 발명은 SeO
2 , (CH
3 )Se(O)(OH), (CH
3 CH
2 O)Se(O)(OH)중에서 선택된 1 종 이상의 셀레늄계 촉매 및 M
2 CO
3 (M= 알칼리 금속) 조촉매의 존재하에서 아민과 CO/O
2 혼합가스를 반응시켜 N,N'-치환 우레아를 제조하는 방법을 제공하는 것이다. 본 발명에 따른 N,N'-치환 우레아의 제조방법은 셀레늄 촉매계의 높은 촉매 활성으로 인해, 지방족 아민 뿐만 아니라 반응성이 낮은 방향족 아민도 쉽게 N,N'-치환 우레아로 전환할 수 있고 고가의 귀금속 촉매의 사용을 피할 수 있어 경제적이다.

公开(公告)号：KR100148068B1

公开(公告)日：1998-08-17

申请号：KR1019950006718

申请日：1995-03-28

Applicant: 한국과학기술연구원

Inventor： 김훈식 ,  이병권 ,  김홍곤 ,  이현주

IPC: B01J23/26

CPC classification number: B01J27/138 ,  B01J23/26 ,  C07C17/206 ,  C07C19/08

Abstract: 수산화크롬을 염화마그네슘 수용액과 혼합한 후 HF 수용액과 반응시켜 얻어지는 생성물을 소성시켜 얻어지는 염화불화탄화수소의 불소화 촉매 및 이 촉매의 존재하에 1,1-디클로로-1-플로오로에탄과 HF를 반응시켜 1,1,1-트리플루오로에탄을 제조하는 방법이 제공된다.