-
-
公开(公告)号:KR101921417B1
公开(公告)日:2018-11-22
申请号:KR1020170055489
申请日:2017-04-28
申请人: 성균관대학교산학협력단
CPC分类号: B01J29/80 , B01J29/084 , B01J29/18 , B01J29/40 , B01J29/65 , B01J35/0006 , B01J37/0018 , B01J37/0221 , B01J37/08 , B01J37/10 , B01J37/30 , B01J2229/183 , C07C67/36 , C07C67/37 , C07C69/14
摘要: 높은결정성을갖는제올라이트계화합물, 이의제조방법및 이를이용한메틸아세테이트의제조방법에서, 제올라이트계화합물은제올라이트계코어; 및제올라이트계코어의표면의적어도일부에형성되고페리어라이트(ferrierite)로이루어진표면부를포함한다.
-
公开(公告)号:KR20180009711A
公开(公告)日:2018-01-29
申请号:KR20170090721
申请日:2017-07-18
申请人: EVONIK DEGUSSA GMBH
发明人: DONG KAIWU , JACKSTELL RALF , BELLER MATTHIAS , FRIDAG DIRK , HESS DIETER , DYBALLA KATRIN MARIE , GEILEN FRANK , FRANKE ROBERT
CPC分类号: C07F9/5045 , C07C67/38 , C07D403/14 , C07D405/14 , C07F15/0066 , C07C69/24
摘要: 본발명은 a) 에틸렌계불포화화합물을도입하는방법단계; b) 모노포스핀리간드및 Pd을포함하는화합물을첨가하거나, 또는 Pd 및모노포스핀리간드를포함하는착물을첨가하는방법단계; c) 지방족알콜을첨가하는방법단계; d) CO를공급하는방법단계; e) 반응혼합물을가열하고, 이때에틸렌계불포화화합물이반응하여에스테르를형성하는방법단계를 포함하고, 여기서모노포스핀리간드는화학식 I의화합물인방법에관한것이다. 상기식에서, R은 -(C-C)-알킬, -O-(C-C)-알킬, -O-(C-C)-아릴, -(C-C)-아릴, -(C-C)-시클로알킬, -(C-C)-헤테로시클로알킬, -(C-C)-헤테로아릴로부터선택되고; R는 -(C-C)-아릴, -(C-C)-시클로알킬, -(C-C)-헤테로시클로알킬, -(C-C)-헤테로아릴로부터선택되고; R은 -(C-C)-헤테로아릴이고; R, R및 R은각각독립적으로 -(C-C)-알킬, -(C-C)-시클로알킬, -(C-C)-헤테로시클로알킬, -O-(C-C)-알킬, -O-(C-C)-알킬-(C-C)-아릴, -O-(C-C)-시클로알킬, -S-(C-C)-알킬, -S-(C-C)-시클로알킬, -COO-(C-C)-알킬, -COO-(C-C)-시클로알킬, -CONH-(C-C)-알킬, -CONH-(C-C)-시클로알킬, -CO-(C-C)-알킬, -CO-(C-C)-시클로알킬, -N-[(C-C)-알킬], -(C-C)-아릴, -(C-C)-아릴-(C-C)-알킬, -(C-C)-아릴-O-(C-C)-알킬, -(C-C)-헤테로아릴, -(C-C)-헤테로아릴-(C-C)-알킬, -(C-C)-헤테로아릴-O-(C-C)-알킬, -COOH, -OH, -SOH, -NH, 할로겐으로부터선택된 1개이상의치환기에의해치환될수 있다.
摘要翻译: 本发明涉及一种包括以下工艺步骤的方法:a)引入烯属不饱和化合物; b)加入单膦配体和含Pd的化合物,或加入包含Pd和单膦配体的配合物; c)加入脂族醇; d)供应一氧化碳; e)加热反应混合物,使烯属不饱和化合物反应形成酯; 其中单膦配体是其中R 1选自 - (C 1 -C 12) - 烷基,-O-(C 1 -C 12) - 烷基,-O-(C 6 -C 20) - 芳基, - ( (C 3 -C 12) - 环烷基, - (C 3 -C 12) - 杂环烷基, - (C 3 -C 20) - 杂芳基; R2选自 - (C6-C20) - 芳基, - (C3-C12) - 环烷基, - (C3-C12) - 杂环烷基, - (C3-C20) - 杂芳基; R3是 - (C3-C20) - 杂芳基; (C 1 -C 12) - 烷基, - (C 3 -C 12) - 环烷基, - (C 3 -C 12) - 杂环烷基,-O-(C 1 -C 12) - 环烷基 (C 1 -C 12) - 烷基,-O-(C 1 -C 12) - 烷基 - (C 6 -C 20) - 芳基,-O-(C 3 -C 12) (C 3 -C 12) - 环烷基,-COO-(C 1 -C 12) - 烷基,-COO-(C 3 -C 12) - 环烷基,-CONH-(C 1 -C 12) - 烷基,-CONH- -CO-(C 3 -C 12) - 环烷基,-N - [(C 1 -C 12) - 烷基] 2, - (C 6 -C 20) - 芳基, - (C 1 -C 12) - 烷基, - (C 6 -C 20) - 芳基-O-(C 1 -C 12) - 烷基, - (C 3 -C 20) - 杂芳基, - (C 3 -C 20) - (C 1 -C 12) - 烷基, - (C 3 -C 20) - 杂芳基-O-(C 1 -C 12) - 烷基,-COOH,-OH,-SO 3 H,-NH 2,卤素。
-
公开(公告)号:KR1020170022983A
公开(公告)日:2017-03-02
申请号:KR1020167033502
申请日:2015-06-12
申请人: 비피 케미칼즈 리미티드
发明人: 브리스토우티모시크리스핀
CPC分类号: C07C51/09 , B01D3/143 , B01D3/322 , B01D3/4205 , C07C41/09 , C07C41/16 , C07C41/42 , C07C67/37 , C07C53/08 , C07C43/043 , C07C69/14 , B01J2219/00033 , B01J2219/00164 , Y02P20/58
摘要: 메탄올및 메틸아세테이트및 물의혼합물로부터아세트산및 디메틸에테르를동시-제조하기위한촉매적탈수-가수분해공정으로서, 상기공정에공급되는물의양이, 메탄올공급물을탈수시켜디메틸에테르, 미전환메탄올및 물을포함하는미정제생성물을생성하는단계; 그로부터디메틸에테르, 물및 메탄올을포함하는스트림및 물스트림을회수하는단계; 상기디메틸에테르함유스트림으로부터디메틸에테르를분리시켜메탄올및 물을포함하는메탄올스트림을생성하는단계; 및상기메탄올스트림의적어도일부및 메틸아세테이트를탈수-가수분해반응에공급하는단계에의해제어되는촉매적탈수-가수분해공정.
摘要翻译: 用于从甲醇和乙酸甲酯和水的混合物中共同生产乙酸和二甲醚的催化脱水 - 水解方法,其中通过使甲醇进料脱水以提供方法来控制进料至该方法的水量 粗产物包含二甲醚,未转化的甲醇和水; 从其中回收包含二甲醚,水和甲醇和水流的物流; 从含二甲醚的流中分离二甲醚以产生包含甲醇和水的甲醇流; 并向脱水 - 水解方法供应至少部分甲醇流和乙酸甲酯。
-
公开(公告)号:KR1020170020327A
公开(公告)日:2017-02-22
申请号:KR1020167033375
申请日:2015-06-12
申请人: 비피 케미칼즈 리미티드
发明人: 다니엘베리언존 , 선리존글렌 , 테일러러셀앨런 , 아미티지가레스제라드
IPC分类号: C07C51/09 , C07C53/08 , C07C67/37 , C07C67/54 , C07C69/14 , C07C41/16 , C07C43/04 , B01J29/65
CPC分类号: C07C51/347 , C07C41/16 , C07C51/09 , C07C67/37 , C07C67/54 , B01J29/65 , B01J2219/00033 , C07C43/043 , C07C53/08 , C07C69/14 , C07C2529/65
摘要: 아세트산의제조를위한 1 종이상의브론스테드산 촉매존재하에서의물 및메탄올중 적어도하나를갖는메틸아세테이트공급물의가수분해공정에서, 촉매의성능은, 아세트알데히드및 1,1-디메톡시에탄불순물의총량이아세트알데히드의질량당량으로서산출시 100 ppm wt 이하로유지되는메틸아세테이트공급물을사용함으로써개선된다.
摘要翻译: 在至少一种布朗斯台德酸催化剂存在下用水和甲醇中的至少一种水解乙酸甲酯以产生乙酸的方法中,通过使用乙酸甲酯进料来提高催化剂的性能,其中总共 乙醛和1,1-二甲氧基乙烷杂质以乙醛的质量当量计算为100pm重量或更少。
-
公开(公告)号:KR1020120094100A
公开(公告)日:2012-08-23
申请号:KR1020127017617
申请日:2010-12-03
申请人: 쇼와 덴코 가부시키가이샤
IPC分类号: C07C67/283 , C07C69/14 , B01J23/44
CPC分类号: C07C67/283 , C07C69/003 , C07C69/14
摘要: 본 발명의 한 과제는, 원료 물질로 알릴 아세테이트 함유 용액을 사용하여 수소첨가반응 촉매로 수소첨가반응시켜 n-프로필 아세테이트를 제조하는 방법을 제공하는 것인데, 상기 제조 방법은 시간 경과에 따른 기질(알릴 아세테이트)의 전환율의 감소 및 생성물 품질의 열화를 방지할 수 있고, 본 발명은 알릴 아세테이트 함유 원료 용액 및 수소 함유 기체를 수소첨가반응 촉매의 존재 하 1.0 MPa G(게이지 압) 이상의 압력 P
1 하에서 반응시켜 알릴 아세테이트를 수소첨가반응시켜서 n-프로필 아세테이트 함유 수소첨가반응 생성물을 생성시키는 제1 수소첨가반응 단계; 상기 수소첨가반응 생성물을 기체-액체 분리시켜 n-프로필 아세테이트 함유 미정제 n-프로필 아세테이트 용액을 생성시키는 기체-액체 분리 단계; 및 상기 미정제 n-프로필 아세테이트 용액 중에 함유된 미반응 알릴 아세테이트를 수소첨가반응 촉매의 존재 하 미정제 n-프로필 아세테이트 용액 중에 용해된 수소를 사용하여 수소첨가반응시키는 제2 수소첨가반응 단계를 포함하는 n-프로필 아세테이트의 제조 방법을 제공한다.-
公开(公告)号:KR100888065B1
公开(公告)日:2009-03-11
申请号:KR1020070116516
申请日:2007-11-15
申请人: 아신기술 주식회사
CPC分类号: C07C53/08 , C07B41/02 , C07B41/08 , C07C29/095 , C07C29/80 , C07C31/04 , C07C51/09 , C07C51/44 , C07C69/02
摘要: A hydrolysis method for methyl acetate is provided to raise the hydrolysis efficiency and to separate and collect the acetic acid aqueous solution and methanol of high purity by removing organic impurities contained in the methyl acetate generated from the process of producing an aromatic acid or polyvinyl alcohol. A hydrolysis method for methyl acetate comprises (a) a step of feeding a mixed solution consisting of methyl acetate(1) containing organic impurities selected from xylene, propyl acetate, benzene or their mixture, and water(2) to an extractor(21), injecting water or aromatic organic solvent in the extractor, separating organic impurities by inducing the phase separation of an aqueous phase and an organic phase, and recirculating the aqueous phase to a mixing tank; (b) a step of generating acetic acid and methanol through the hydrolysis of methyl acetate by feeding the mixed solution to a hydrolysis reactor filled with a solid acid catalyst, and feeding the reactant containing acetic acid and methanol to the upper part of the first evaporator(7); (c) a step of recirculating the un-reacted methyl acetate to the mixing tank, and feeding the mixed solution of acetic acid, methanol and water from the lower part to the second evaporator(13); and (d) a step of separating the acetic acid aqueous solution(15) and methanol(17) in the second evaporator, refluxing the condensed water by a condenser(19) of the upper part and recirculating the condensed water to the mixing tank.
摘要翻译: 提供乙酸甲酯的水解方法以提高水解效率,并且通过除去由生产芳族酸或聚乙烯醇的方法产生的乙酸甲酯中含有的有机杂质,分离和收集高纯度的乙酸水溶液和甲醇。 乙酸甲酯的水解方法包括(a)将含有选自二甲苯,乙酸丙酯,苯或其混合物中的有机杂质的乙酸甲酯(1)和水(2)的混合溶液进料到提取器(21)的步骤, 在萃取器中注入水或芳族有机溶剂,通过诱导水相和有机相的相分离,并将水相再循环到混合罐中来分离有机杂质; (b)通过将混合溶液加入填充有固体酸催化剂的水解反应器中,通过乙酸甲酯的水解产生乙酸和甲醇的步骤,并将含有乙酸和甲醇的反应物进料到第一蒸发器的上部 (7); (c)将未反应的乙酸甲酯再循环到混合罐中,并将乙酸,甲醇和水的混合溶液从下部供给到第二蒸发器(13)的步骤; 和(d)在第二蒸发器中分离乙酸水溶液(15)和甲醇(17)的步骤,通过上部的冷凝器(19)回流冷凝水并将冷凝水再循环到混合罐。
-
公开(公告)号:KR1020070024450A
公开(公告)日:2007-03-02
申请号:KR1020067004436
申请日:2004-08-31
申请人: 케이에이치 네오켐 가부시키가이샤
IPC分类号: C07C43/303 , C07C67/14 , C07C69/14
CPC分类号: G03F7/0392 , C07D307/20 , C07D309/12 , C08F8/00 , C08F112/14
摘要: Disclosed is a method for producing a compound having a group represented by the following general formula (II) : (wherein R1, R2, and R3 are as defined below) which is characterized in that a compound having a hydroxyl group is reacted with a halogenated alkyl ether represented by the following general formula (I): (wherein R1, R2, and R3 may be the same or different, and represent a substituted or unsubstituted alkyl, a substituted or unsubstituted aryl or a substituted or unsubstituted aralkyl, or R1 and R2 form an alicyclic hydrocarbon ring together with an adjacent carbon atom, or R2 and R3 form an alicyclic heterocyclic ring which may have a substituent together with an adjacent O-C-C; and X represents a halogen atom). ® KIPO & WIPO 2007
摘要翻译: 公开了具有下列通式(II)表示的基团的化合物的方法:(其中R1,R2和R3如下所定义),其特征在于具有羟基的化合物与卤代 由以下通式(I)表示的烷基醚:(其中R 1,R 2和R 3可以相同或不同,表示取代或未取代的烷基,取代或未取代的芳基或取代或未取代的芳烷基,或R 1和 R2与相邻的碳原子一起形成脂环烃环,或者R2和R3与相邻的OCC一起可以具有取代基的脂环族杂环; X表示卤素原子)。 ®KIPO&WIPO 2007
-
公开(公告)号:KR1020060119920A
公开(公告)日:2006-11-24
申请号:KR1020067004290
申请日:2004-08-24
申请人: 비피 케미칼즈 리미티드
发明人: 풀러턴윌리엄
CPC分类号: C07C67/04 , Y02P20/582 , C07C69/14
摘要: Process for making lower aliphatic ester, especially ethyl acetate, by reacting a lower olefin with a saturated lower aliphatic mono-carboxylic acid in the vapor phase using a heteropolyacid catalyst, wherein the reaction pressure is 11 to 20 barg (1100 to 2000 KPa), more preferably 12 to 15 barg (1200 to 1500 KPa). The reaction temperature is 140 to 250°C, more preferably 160 to 195°C. The process reduces the level of by- products, for example methyl ethyl ketone and/or acetaldehyde.
摘要翻译: 通过使用杂多酸催化剂在气相中使低级烯烃与饱和低级脂族单羧酸反应制备低级脂族酯,特别是乙酸乙酯的方法,其中反应压力为11〜20barg(1100〜2000KPa), 更优选为12〜15巴(1200〜1500KPa)。 反应温度为140〜250℃,更优选为160〜195℃。 该方法降低副产物的水平,例如甲基乙基酮和/或乙醛。
-
公开(公告)号:KR1020000004968A
公开(公告)日:2000-01-25
申请号:KR1019980707572
申请日:1997-03-27
申请人: 아쓰떽스 쉬미
IPC分类号: C07C53/08 , C07C51/353 , C07C67/293 , C07C69/14
CPC分类号: C07C51/353 , C07C67/293 , C07C53/08 , C07C69/14
摘要: PURPOSE: A new method using isomerization reaction in the presence of strong acid is proposed to obtain substantial industrial profits. The method somewhat contributes to the enhancement of the reaction activity, but should use additional compound thus cannot be simplified. CONSTITUTION: A producing method of the invention is performed in the presence of catalyst system including methyl formate, water, solvent and 1 or more halogenation accelerator and 1 or more Ir compound. The method maintains the partial pressure of CO somewhat constantly during the reaction and maintains the amount of polyformate less than 20wt% of reacting medium.
摘要翻译: 目的:提出在强酸存在下使用异构化反应的新方法,以获得实质性的工业利润。 该方法有助于提高反应活性,但应使用其他化合物,因此不能简化。 构成:本发明的制备方法在包括甲酸甲酯,水,溶剂和1种或更多种卤化促进剂和1种或更多种Ir化合物的催化剂体系的存在下进行。 该方法在反应过程中保持CO的分压一定程度,并保持聚甲酸酯的量少于反应介质的20wt%。
-
-
-
-
-
-
-
-
-