专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2014114646A1 OLEFIN POLYMERIZATION PROCESS WITH CONTINUOUS TRANSFER 审中-公开
标题翻译：具有连续转移的OLEFIN聚合方法
公开(公告)号：WO2014114646A1
公开(公告)日：2014-07-31
申请号：PCT/EP2014/051144
申请日：2014-01-21
申请人： TOTAL RESEARCH & TECHNOLOGY FELUY
发明人： FOUARGE, Louis , HORRE, Annelies , NAUWELAERTS, Geert , RICHET, Marc , WILDERIANE, Pascal
IPC分类号： C08F10/00 , C08F2/14 , C08F2/01
CPC分类号： C08F2/01 , C08F2/14 , C08F210/16 , C08F210/14 , C08F2/001 , C08F10/00 , C08F4/65927
摘要： The present invention relates to a process for the preparation of a polyolefin in at least two slurry loop reactors comprising a first loop reactor connected in series with a second loop reactor, comprising the steps of: - introducing one or more olefin reactants, diluents and polymerization catalyst into said first loop reactor, and while circulating said olefin reactants, diluents and polymerization catalyst in said first loop reactor; - polymerizing said one or more olefin reactants to produce a polyolefin slurry comprising liquid diluent and solid olefin polymer particles; - withdrawing polyolefin slurry comprising solid olefin polymer particles and diluent from said first reactor and introducing the withdrawn particles into the second loop reactor, by means of one or more settling legs provided on said first reactor, wherein each settling leg has an inlet connected to the first reactor and an outlet connected to the second reactor by means of a transfer line, - wherein at least one settling leg is continuously open allowing continuous transfer of solid olefin polymer particles from said first loop reactor to said second loop reactor, and wherein the process further comprises the step of controlling the continuous transfer of solid olefin polymer particles from said first loop reactor to said second loop reactor by at least one continuously open settling leg.
摘要翻译：本发明涉及一种在至少两个淤浆环流反应器中制备聚烯烃的方法，包括与第二环管反应器串联连接的第一回路反应器，包括以下步骤： - 引入一种或多种烯烃反应物，稀释剂和聚合在所述第一回路反应器中循环所述烯烃反应物，稀释剂和聚合催化剂; - 聚合所述一种或多种烯烃反应物以产生包含液体稀释剂和固体烯烃聚合物颗粒的聚烯烃淤浆; - 从所述第一反应器中抽出包含固体烯烃聚合物颗粒和稀释剂的聚烯烃浆料，并通过设置在所述第一反应器上的一个或多个沉降腿将引出的颗粒引入第二回路反应器，其中每个沉降腿具有连接到第一反应器和通过输送管线连接到第二反应器的出口， - 其中至少一个沉降腿连续打开，允许固体烯烃聚合物颗粒从所述第一回路反应器连续转移到所述第二回路反应器，并且其中所述方法进一步包括通过至少一个连续打开的沉降腿控制固体烯烃聚合物颗粒从所述第一回路反应器到所述第二回路反应器的连续转移的步骤。

2. 发明申请

WO2014114645A1 OLEFIN POLYMERIZATION PROCESS WITH CONTINUOUS DISCHARGING 审中-公开
标题翻译：具有连续排放的烯烃聚合方法
公开(公告)号：WO2014114645A1
公开(公告)日：2014-07-31
申请号：PCT/EP2014/051143
申请日：2014-01-21
申请人： TOTAL RESEARCH & TECHNOLOGY FELUY
发明人： FOUARGE, Louis , HORRE, Annelies , NAUWELAERTS, Geert , TANGHE, Rudi , JANSSENS, Johan , BEUCKELAERS, Steven , RICHET, Marc , WILDERIANE, Pascal
IPC分类号： C08F10/00 , C08F2/14 , C08F2/01
CPC分类号： C08F210/16 , C08F2/01 , C08F2/14 , C08F210/14
摘要： The present invention relates to a process for the preparation of a polyolefin in at least one slurry loop reactor provided with one or more settling legs, comprising the steps of: - introducing into said loop reactor one or more olefin reactants, diluents, polymerization catalyst and optional ingredients and while circulating said olefin reactants, diluents and polymerization catalyst in said loop reactor; - polymerizing said one or more olefin reactants to produce a polymer slurry comprising liquid diluent and solid olefin polyolefin particles; - continuously withdrawing polyolefin slurry comprising polyolefin particles and diluent from said reactor, via said one or more settling legs and transferring said withdrawn solid olefin polymer particles from said loop reactor to a recovery section; wherein each settling leg has an inlet connected to the reactor and an outlet connected to the recovery section, and wherein at least one settling leg is continuously open allowing continuous withdrawal of said polyolefin slurry from said loop reactor, and wherein each outlet of said one or more settling legs is connected to the recovery section by means of at least one conduit provided with a pressure control device, and wherein the pressure in said loop reactor is controlled by operating said pressure control device.
摘要翻译：本发明涉及一种在至少一个具有一个或多个沉降腿的淤浆环流反应器中制备聚烯烃的方法，其包括以下步骤： - 向所述环管反应器中引入一种或多种烯烃反应物，稀释剂，聚合催化剂和在所述环管反应器中循环所述烯烃反应物，稀释剂和聚合催化剂; - 聚合所述一种或多种烯烃反应物以产生包含液体稀释剂和固体烯烃聚烯烃颗粒的聚合物浆料; - 经由所述一个或多个沉降腿连续地从所述反应器中抽出包含聚烯烃颗粒和稀释剂的聚烯烃浆料，并将所述取出的固体烯烃聚合物颗粒从所述环管反应器转移到回收段中; 其中每个沉降腿具有连接到反应器的入口和连接到回收部分的出口，并且其中至少一个沉降腿是连续打开的，允许所述聚烯烃浆料从所述环管反应器连续抽出，并且其中所述一个或更多的沉降腿通过设置有压力控制装置的至少一个管道连接到回收部分，并且其中通过操作所述压力控制装置来控制所述回路反应器中的压力。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式