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公开(公告)号：KR100947893B1
公开(公告)日：2010-03-17
申请号：KR1020080081382
申请日：2008-08-20
Applicant: 한국과학기술연구원
IPC: C07C7/05 , C07B63/00 , C07C11/173
Abstract: 본 발명은 나프타(Naphtha) 크랙커(cracker) 부산물로부터 얻은 조 디사이클로펜타디엔(crude dicyclopentadiene; crude DCPD)을 고순도로 정제하는 방법에 관한 것이다. 더욱 상세하게는 본 발명은 DCPD의 비점(170℃)과 유사한 비점을 갖는 특정의 탄화수소 화합물을 보조유체로 선택 사용한데 기술적 특징이 있고, 이러한 기술적 특징으로 인하여 디사이클로펜타디엔(DCPD)의 열분해율을 95% 이상으로 높임과 동시에 디사이클로펜타디엔(DCPD)의 고분자화를 효율적으로 억제하여 생산성을 크게 향상시키는 효과가 있다. 또한 본 발명의 정제공정에 사용된 보조유체는 간단한 증류법으로 거의 완전하게 회수하여 재사용이 가능하므로 산업적으로 매우 유용하다.
디사이클로펜타디엔(DCPD), 사이클로펜타디엔(CPD), C5 유분, C9+ 유분, 정제, 고순도, 보조유체-
公开(公告)号：KR1020100013669A
公开(公告)日：2010-02-10
申请号：KR1020080075294
申请日：2008-07-31
Applicant: 한국과학기술연구원
CPC classification number: C07C7/11 , C07C7/10 , Y02P20/542 , C07C11/107 , C07C11/18 , C07C15/46 , C07C11/02
Abstract: PURPOSE: A method for removing acetylenes from olefins is provided to effectively remove an acetylene-based compound from olefins using an ionic liquid-based solution, and to reduce solvent loss rate and device costs. CONSTITUTION: A method for removing acetylenes from olefins uses an ionic liquid-based solution. The ionic liquid-based solution comprises at least one or two kinds of ionic liquid selected from an imidazolium compound represented by chemical formula 1, and copper halide. In chemical formula 1, R^1 and R^2 show C1-6 alkyl group, or C1-6 alkoxy group; Y is halogen ion, phosphate ion[R^3OPH(O)O]^-, or phosphate ion[(R^3O)2P(O)O]^-; and R^3 C1-6 alkyl group.
Abstract translation: 目的：提供一种从烯烃中除去炔烃的方法，用离子液体溶液有效地从烯烃中除去乙炔基化合物，并降低溶剂损失率和装置成本。 构成：从烯烃中除去炔烃的方法使用离子液体溶液。 离子性液体溶液包含选自化学式1表示的咪唑化合物和卤化铜中的至少一种或两种离子液体。 在化学式1中，R 1和R 2表示C 1-6烷基或C 1-6烷氧基; Y是卤素离子，磷酸根离子[R ^ 3OPH（O）O] 3 - 或磷酸根离子[（R 3 O）2 P（O）O] 和R ^ 3 C 1-6烷基。
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公开(公告)号：KR100917040B1
公开(公告)日：2009-09-10
申请号：KR1020070058661
申请日：2007-06-15
Applicant: 한국과학기술연구원
Abstract: 본 발명은 담지촉매를 이용한 함불소에테르 화합물의 제조방법에 관한 것으로서, 더욱 상세하게는 알코올 화합물과 함불소올레핀 화합물을 반응시켜 함불소에테르 화합물을 제조하는 반응에 촉매로서 알칼리금속 불소염이 지지체에 지지된 담지촉매를 사용함으로써 보다 온화한 조건과 높은 수율로 함불소에테르 화합물을 제조하는 방법에 관한 것이다.
함불소에테르, 함불소올레핀, CFC 대체세정제, 알칼리금속 불소염-
公开(公告)号：KR1020090005423A
公开(公告)日：2009-01-14
申请号：KR1020070068434
申请日：2007-07-09
Applicant: 한국과학기술연구원
Abstract: Cellulose solution is provided to prepare the homogenous solution which can be manufactured at a low temperature less than 100°C to have high concentration by using the specific ionic liquid melting the cellulose. Cellulose solution is manufactured by dissolving the cellulose in the ionic liquid. The ionic liquid comprises a quaternary ammonium cation indicated as the chemical formula 1 and an anion indicated as the chemical formula 2. In the chemical formula 1, R1, R2, R3, R4, R5, R6, R7, and R8 are the same or different and are selected from C1-C6 alkyl group, C1-C6 alkylcarboxy acid group, C1-C6 alkylester, hydroxy C1-C6 alkyl group and C1-C6 alkoxy C1-C6 alkyl group, wherein the case that R1 and R2 are an alkyl group at the same time is excluded. In the chemical formula 2, R9 and R10 are selected from respectively hydrogen atom, C1-C6 alkyl group and hydroxy C1-C6 alkyl group.
Abstract translation: 提供纤维素溶液以制备可在低于100℃的低温下通过使用熔化纤维素的特定离子液体而具有高浓度的均匀溶液。 通过将纤维素溶解在离子液体中来制造纤维素溶液。 离子液体包含化学式1表示的季铵阳离子和化学式2表示的阴离子。在化学式1中，R 1，R 2，R 3，R 4，R 5，R 6，R 7和R 8相同或不同 不同且选自C 1 -C 6烷基，C 1 -C 6烷基羧酸基，C 1 -C 6烷基酯，羟基C 1 -C 6烷基和C 1 -C 6烷氧基C 1 -C 6烷基，其中R 1和R 2是烷基 群组同时被排除。 在化学式2中，R 9和R 10分别选自氢原子，C 1 -C 6烷基和羟基C 1 -C 6烷基。
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公开(公告)号：KR1020080110203A
公开(公告)日：2008-12-18
申请号：KR1020070058660
申请日：2007-06-15
Applicant: 한국과학기술연구원
CPC classification number: Y02P20/542
Abstract: A hydrofluoroether compound is provided to improve the conversion ratio and yield of the alcohol compounds by reacting it for short time. A hydrofluoroether compound is prepared by reacting an alcohol compound with a hydrofluoroolefin compound and using the ionic liquid as a reaction catalyst and solvent. The alcohol compound is selected from C1 ~ 8 alcohol, phenol, hydrofluoro phenol containing the fluorine atoms of 1-5, and C1 - 8 hydrofluoro alcohol containing the fluorine atoms of 1-15. The hydrofluoroolefin compound is selected from the C 2-4 olefin compounds containing the fluorine atoms of 1-8.
Abstract translation: 提供氢氟醚化合物以通过短时间反应来提高醇化合物的转化率和产率。 通过使醇化合物与氢氟烯烃化合物反应并使用离子液体作为反应催化剂和溶剂来制备氢氟醚化合物。 醇化合物选自C1〜8醇，苯酚，含氟原子为1-5的氢氟酚和含有1-15个氟原子的C1〜8氢氟醇。 氢氟烯烃化合物选自含有1-8个氟原子的C 2-4烯烃化合物。
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Patent Agency Ranking
公开(公告)号：KR100791887B1
公开(公告)日：2008-01-07
申请号：KR1020060108485
申请日：2006-11-03
Applicant: 한국과학기술연구원
CPC classification number: C07F7/1844 , C07F7/0849 , C07F7/10 , C07F7/12
Abstract: A method for preparing fluoroalkoxy trialkylsilane is provided to maximize the reaction yield of the fluoroalkoxy trialkylsilane and reuse an imidazole-based compound of a reaction promoting agent through a semi-continuous process. A method for preparing fluoroalkoxy trialkylsilane comprises the steps of: (a) reacting fluoroalcohol with chlorotrialkylsilane in the presence of an imidazole-based compound to prepare imidazolium chloride and fluoroalkoxy trialkylsilane and isolating the fluoroalkoxy trialkylsilane represented by the formula(1) from the reaction products; (b) after reacting the imidazolium chloride with alkali hydroxide such as sodium hydroxide and potassium hydroxide in a horizontal tubular reactor having a screw, subjecting the reaction product to membrane filtration to separate an aqueous solution of an imidazole-based compound and a solid phase alkali metal chloride; and (c) subjecting the aqueous solution of the imidazole-based compound to vacuum distillation using a Dean-Stark distillation column to separate an imidazole-based compound represented by the formula(2) therefrom. In the formulae, each R1, R2, and R3 is methyl or ethyl; Rf is C1-4 fluorohydrocarbon including 1-9 fluorine; and R4 is C1-4 alkyl or C2-4 alkenyl.
Abstract translation: 提供氟烷氧基三烷基硅烷的制备方法，以使氟烷氧基三烷基硅烷的反应产率最大化，并通过半连续方法再利用反应促进剂的咪唑类化合物。 一种制备氟烷氧基三烷基硅烷的方法包括以下步骤：（a）在咪唑类化合物存在下使氟代醇与氯三烷基硅烷反应制备氯化咪唑鎓和氟烷氧基三烷基硅烷，并将由式（1）表示的氟烷氧基三烷基硅烷从反应产物 ; （b）在具有螺杆的水平管式反应器中使咪唑氯与碱金属氢氧化物如氢氧化钠和氢氧化钾反应后，使反应产物进行膜过滤，分离出咪唑类化合物和固相碱的水溶液 金属氯化物 和（c）使用Dean-Stark蒸馏塔使咪唑类化合物的水溶液进行真空蒸馏，以从其中分离由式（2）表示的咪唑类化合物。 在该式中，每个R 1，R 2和R 3是甲基或乙基; Rf是C1-4氟代烃，包括1-9氟; 并且R 4是C 1-4烷基或C 2-4链烯基。
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公开(公告)号：KR100780483B1
公开(公告)日：2007-11-29
申请号：KR1020060103435
申请日：2006-10-24
Applicant: 한국과학기술연구원
CPC classification number: C07F7/1872 , B01J31/0274 , B01J31/0292 , C07F7/1844
Abstract: A method for preparing fluorinated alkoxytrialkylsilane is provided to increase the yield of the desired product by using an acid catalyst in which a conventional HX is supported on an ionic liquid based polymer and easily isolate and recover the used catalyst. A method for preparing fluoroalkoxy trialkyl silane comprises a step of reacting hexa-alkyl disiloxane with fluoroalcohol using an acid catalyst supported on an imidazolium based polymer represented by the formula(1), wherein X is halogen, acetoxy, sulfonic, methane sulfonic, trifluoromethanesulfonic, or toluenesulfonic; and n is an integer from 50-1,000. In the method, 0.01-0.2 mol of the acid catalyst regarding 1 mol of the hexa-alkyl disiloxane is used and the reaction is performed under a non-solvent condition or a non-protic solvent.
Abstract translation: 提供氟化烷氧基三烷基硅烷的制备方法，通过使用常规的HX负载在离子液体基聚合物上的酸催化剂来提高所需产物的产率，并容易地分离和回收所用的催化剂。 制备氟烷氧基三烷基硅烷的方法包括使用负载在由式（1）表示的咪唑基聚合物上的酸催化剂使六烷基二硅氧烷与氟代醇反应的步骤，其中X是卤素，乙酰氧基，磺酸，甲磺酸，三氟甲磺酸， 或甲苯磺酸; n为50-1000的整数。 在该方法中，使用0.01-0.2摩尔酸催化剂，关于1摩尔六烷基二硅氧烷，并且反应在非溶剂条件或非质子溶剂下进行。
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公开(公告)号：KR100690010B1
公开(公告)日：2007-03-09
申请号：KR1020050099694
申请日：2005-10-21
Applicant: 한국과학기술연구원
IPC: C07C67/08
Abstract: Provided is a process for preparing a fluorinated dialkyl carbonate, which use no toxic materials such as phosgene, carbon monooxide or methyl nitrate, adopts mild conditions, and allows production of a fluorinated dialkyl carbonate with a high yield. The process for preparing a fluorinated dialkyl carbonate represented by a formula 1 comprises a step of reacting a fluorine-containing alcohol with a chloroformate derivative in the presence of an imidazole derivative represented by a formula 4. In the formula 4, R1 represents H, a C1-C6 alkyl or C2-C6 alkenyl. In the formula 1, R2 represents a C1-C18 hydrocarbon group or phenyl group, and RF represents a C1-C18 fluorine-containing hydrocarbon group.
Abstract translation: 本发明提供不使用光气，一氧化碳，硝酸甲酯等有毒物质，采用温和条件，可以高收率地制造氟化二烷基碳酸酯的氟化碳酸二烷基酯的制造方法。 由式1表示的制备氟化的碳酸二烷基酯的方法包括使含氟的醇与氯甲酸酯衍生物在式4表示的咪唑衍生物存在下反应的步骤。在式4中，R1表示H，a C1-C6烷基或C2-C6链烯基。 式1中，R 2表示碳数1〜18的烃基或苯基，RF表示碳数1〜18的含氟烃基。
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公开(公告)号：KR100545716B1
公开(公告)日：2006-01-24
申请号：KR1020030020810
申请日：2003-04-02
Applicant: 한국과학기술연구원
IPC: C07C29/09
Abstract: 본 발명은 염기의 존재 하에 1-클로로-2,2,2-트리플루오로에탄을 가수분해시켜 2,2,2-트리플루오로에탄올을 제조하는 방법에 있어서, 이미다졸륨염, 암모늄염 또는 인산염 등의 특정염을 첨가함으로써 보다 용이한 반응조건에서 단시간 내에 높은 수율로 2,2,2-트리플루오로에탄올을 얻을 수 있다.
1-클로로-2,2,2-트리플루오로에탄, 2,2,2-트리플루오로에탄올, 이미다졸륨염, 암모늄염, 인산염Abstract translation: 本发明涉及一种通过在碱存在下水解1-氯-2,2,2-三氟乙烷生产2,2,2-三氟乙醇的方法以生产咪唑鎓盐，铵盐或磷酸盐 可以在更便利的反应条件下在短时间内以高收率获得2,2,2-三氟乙醇。
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公开(公告)号：KR100545715B1
公开(公告)日：2006-01-24
申请号：KR1020020084483
申请日：2002-12-26
Applicant: 한국과학기술연구원
IPC: C07C29/124
Abstract: 본 발명은 하기 화학식 1로 표시되는 이미다졸륨계열의 이온성 용매 및 염기의 존재 하에 1-클로로-2,2,2-트리플루오로에탄을 가수분해시켜 2,2,2-트리플루오로에탄올을 제조하는 방법으로, 보다 용이한 반응조건에서 빠른 시간 내에 높은 수율로 2,2,2-트리플루오로에탄올을 얻을 수 있다.
[화학식 1]
상기 식에서,
R
1 와 R
2 는 각각 독립적으로 C
1 - C
8 의 알킬기 또는 벤질기를 나타내고,
X는 PF
6 , BF
4 , NO
3 , NO
2 , CH
3 CO
2 , CF
3 CO
2 또는 CF
3 SO
3 를 나타낸다.
이온성 용매, 1-클로로-2,2,2-트리플루오로에탄, 2,2,2-트리플루오로에탄올Abstract translation: 本发明通过在咪唑鎓基的离子溶剂的存在和它的底部分解以乙烷歌手咪唑1-氯-2,2,2-三氟乙烷是由式（1）乙醇2,2,2-三氟表示 可以在更简单的反应条件下在短时间内以高收率获得2,2,2-三氟乙醇。
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