公开(公告)号：US20070049764A1

公开(公告)日：2007-03-01

申请号：US11209255

申请日：2005-08-23

申请人： Donghyun Ko ,  Kwang Park ,  Sang Lee ,  Jijoong Moon ,  Sungshik Eom ,  Dae Rew

发明人： Donghyun Ko ,  Kwang Park ,  Sang Lee ,  Jijoong Moon ,  Sungshik Eom ,  Dae Rew

IPC分类号： C07C67/02

CPC分类号： C07C67/08 ,  Y02P20/127 ,  C07C69/003 ,  C07C69/28

摘要： A method of synthesizing glycol diester by reacting a linear aliphatic carboxylic acid and a glycol monoester in the presence of a Lewis acid type catalyst is provided. In the method, after introducing the glycol monoester, the linear aliphatic carboxylic acid and the Lewis acid type catalyst into a reactor, the reaction occurs to produce reaction products and water in the reactor; an excess of the linear aliphatic carboxylic acid forms an azeotrope with water during the reaction to be sent to a condenser through a distillation column; the linear aliphatic carboxylic acid and water passed through the condenser are divided into an organic layer and an aqueous layer in an oil water separator; and the organic layer is returned to the distillation column through a material cycling line and water in the aqueous layer is removed through a water removal line. By utilizing reactive distillation technique, water produced during the reaction is rapidly removed, and thus the reaction time can be significantly reduced and the yield of the glycol diester can be maximized.

摘要翻译： 提供了在路易斯酸型催化剂存在下使直链脂族羧酸和二醇单酯反应合成二醇二酯的方法。 在该方法中，在将二醇单酯，直链脂肪族羧酸和路易斯酸型催化剂引入反应器中之后，发生反应以在反应器中产生反应产物和水; 过量的直链脂族羧酸在反应期间与水形成共沸物，通过蒸馏塔送至冷凝器; 将通过冷凝器的直链脂肪族羧酸和水分为油水分离器中的有机层和水层; 并且有机层通过材料循环管线返回到蒸馏塔，水层中的水通过除水管线除去。 通过利用反应蒸馏技术，快速除去反应期间产生的水，从而可以显着降低反应时间，并使乙二醇二酯的产率最大化。

公开(公告)号：US07453008B2

公开(公告)日：2008-11-18

申请号：US11209255

申请日：2005-08-23

申请人： Donghyun Ko ,  Kwang Ho Park ,  Sang Gi Lee ,  Jijoong Moon ,  Sungshik Eom ,  Dae Sun Rew

发明人： Donghyun Ko ,  Kwang Ho Park ,  Sang Gi Lee ,  Jijoong Moon ,  Sungshik Eom ,  Dae Sun Rew

IPC分类号： C07C67/02

CPC分类号： C07C67/08 ,  Y02P20/127 ,  C07C69/003 ,  C07C69/28

摘要： A method of synthesizing glycol diester by reacting a linear aliphatic carboxylic acid and a glycol monoester in the presence of a Lewis acid type catalyst is provided. In the method, after introducing the glycol monoester, the linear aliphatic carboxylic acid and the Lewis acid type catalyst into a reactor, the reaction occurs to produce reaction products and water in the reactor; an excess of the linear aliphatic carboxylic acid forms an azeotrope with water during the reaction to be sent to a condenser through a distillation column; the linear aliphatic carboxylic acid and water passed through the condenser are divided into an organic layer and an aqueous layer in an oil water separator; and the organic layer is returned to the distillation column through a material cycling line and water in the aqueous layer is removed through a water removal line. By utilizing reactive distillation technique, water produced during the reaction is rapidly removed, and thus the reaction time can be significantly reduced and the yield of the glycol diester can be maximized.

摘要翻译： 提供了在路易斯酸型催化剂存在下使直链脂族羧酸和二醇单酯反应合成二醇二酯的方法。 在该方法中，在将二醇单酯，直链脂肪族羧酸和路易斯酸型催化剂引入反应器中之后，发生反应以在反应器中产生反应产物和水; 过量的直链脂族羧酸在反应期间与水形成共沸物，通过蒸馏塔送至冷凝器; 将通过冷凝器的直链脂肪族羧酸和水分为油水分离器中的有机层和水层; 并且有机层通过材料循环管线返回到蒸馏塔中，水层中的水通过除水管线除去。 通过利用反应蒸馏技术，快速除去反应期间产生的水，从而可以显着降低反应时间，并使乙二醇二酯的产率最大化。

公开(公告)号：US07612228B2

公开(公告)日：2009-11-03

申请号：US12241521

申请日：2008-09-30

申请人： Donghyun Ko ,  Kwang Ho Park ,  Sang Gi Lee ,  Jijoong Moon ,  Sungshik Eom ,  Dae Sun Rew

发明人： Donghyun Ko ,  Kwang Ho Park ,  Sang Gi Lee ,  Jijoong Moon ,  Sungshik Eom ,  Dae Sun Rew

IPC分类号： C07C67/02

CPC分类号： C07C67/08 ,  Y02P20/127 ,  C07C69/003 ,  C07C69/28

摘要： A method of synthesizing glycol diester by reacting a linear aliphatic carboxylic acid and a glycol monoester in the presence of a Lewis acid type catalyst is provided. In the method, after introducing the glycol monoester, the linear aliphatic carboxylic acid and the Lewis acid type catalyst into a reactor, the reaction occurs to produce reaction products and water in the reactor; an excess of the linear aliphatic carboxylic acid forms an azeotrope with water during the reaction to be sent to a condenser through a distillation column; the linear aliphatic carboxylic acid and water passed through the condenser are divided into an organic layer and an aqueous layer in an oil water separator; and the organic layer is returned to the distillation column through a material cycling line and water in the aqueous layer is removed through a water removal line. By utilizing reactive distillation technique, water produced during the reaction is rapidly removed, and thus the reaction time can be significantly reduced and the yield of the glycol diester can be maximized.

摘要翻译： 提供了在路易斯酸型催化剂存在下使直链脂族羧酸和二醇单酯反应合成二醇二酯的方法。 在该方法中，在将二醇单酯，直链脂肪族羧酸和路易斯酸型催化剂引入反应器中之后，发生反应以在反应器中产生反应产物和水; 过量的直链脂族羧酸在反应期间与水形成共沸物，通过蒸馏塔送至冷凝器; 将通过冷凝器的直链脂肪族羧酸和水分为油水分离器中的有机层和水层; 并且有机层通过材料循环管线返回到蒸馏塔，水层中的水通过除水管线除去。 通过利用反应蒸馏技术，快速除去反应期间产生的水，从而可以显着降低反应时间，并使乙二醇二酯的产率最大化。