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. 发明授权

US09073027B2 Process and apparatus for the gas-phase polymerization of olefins 有权
标题翻译：烯烃气相聚合的方法和装置
公开(公告)号：US09073027B2
公开(公告)日：2015-07-07
申请号：US13822156
申请日：2011-09-02
申请人： Silvia Soffritti , Riccardo Rinaldi , Maurizio Dorini , Giuseppe Penzo
发明人： Silvia Soffritti , Riccardo Rinaldi , Maurizio Dorini , Giuseppe Penzo
IPC分类号： C08F2/34 , B01J8/12 , B01J19/24 , B01J8/00 , B01J8/18 , B01J8/38 , B01J8/44 , C08F10/02 , C08F210/06 , C08F110/06
CPC分类号： B01J8/0085 , B01J8/0055 , B01J8/1827 , B01J8/388 , B01J8/44 , B01J2208/00274 , B01J2208/00292 , B01J2208/00557 , B01J2208/00584 , B01J2208/00681 , B01J2208/0069 , B01J2208/00707 , B01J2219/0077 , C08F10/02 , C08F110/06 , C08F210/06 , C08F2/34 , C08F2/001 , C08F2500/12 , C08F2500/24 , C08F210/16
摘要： A gas-phase polymerization reactor having interconnected polymerization zones comprising:—a riser through which the polymer particles flow upwards under fast fluidization conditions or transport conditions;—a downcomer through which the polymer particles flow downward in a densified form under the action of gravity, the bottom of said downcomer being connected to the lower region of said riser by means of a transport section, said transport section being designed as a bend descending from the downcomer to the riser.
摘要翻译：一种具有相互连通的聚合区的气相聚合反应器，包括： - 提升管，其中聚合物颗粒在快速流化条件或输送条件下向上流动; - 降液管，聚合物颗粒在重力作用下以致密化形式向下流动，所述降液管的底部借助于运输部分连接到所述提升管的下部区域，所述运输部分被设计成从降液管下降到提升管的弯道。

2. 发明申请

US20130165605A1 PROCESS AND APPARATUS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS 有权
标题翻译：用于油相气相聚合的方法和装置
公开(公告)号：US20130165605A1
公开(公告)日：2013-06-27
申请号：US13822156
申请日：2011-09-02
申请人： Silvia Soffritti , Riccardo Rinaldi , Maurizio Dorini , Giuseppe Penzo
发明人： Silvia Soffritti , Riccardo Rinaldi , Maurizio Dorini , Giuseppe Penzo
IPC分类号： C08F2/34
CPC分类号： B01J8/0085 , B01J8/0055 , B01J8/1827 , B01J8/388 , B01J8/44 , B01J2208/00274 , B01J2208/00292 , B01J2208/00557 , B01J2208/00584 , B01J2208/00681 , B01J2208/0069 , B01J2208/00707 , B01J2219/0077 , C08F10/02 , C08F110/06 , C08F210/06 , C08F2/34 , C08F2/001 , C08F2500/12 , C08F2500/24 , C08F210/16
摘要： A gas-phase polymerization reactor having interconnected polymerization zones comprising:—a riser through which the polymer particles flow upwards under fast fluidization conditions or transport conditions—a dowcomer through which the polymer particles flow downward in a densified form under the action of gravity, the bottom of said downcomer being connected to the lower region of said riser by means of a transport section, said transport section being designed as a bend descending from the downcomer to the riser.
摘要翻译：具有相互连接的聚合区的气相聚合反应器包括： - 在快速流化条件或运输条件下聚合物颗粒在其上向上流动的提升管 - 聚合物颗粒在重力作用下以致密化形式向下流动的沉降物，所述降液管的底部通过运输部分连接到所述提升管的下部区域，所述运输部分被设计为从降液管向立管下降的弯道。

3. 发明申请

US20100317811A1 PROCESS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS 有权
标题翻译：油相的气相聚合方法
公开(公告)号：US20100317811A1
公开(公告)日：2010-12-16
申请号：US12735090
申请日：2008-12-17
申请人： Antonio Mazzucco , Riccardo Rinaldi , Silvia Soffritti , Enrico Balestra , Giuseppe Penzo , Gabriele Mei
发明人： Antonio Mazzucco , Riccardo Rinaldi , Silvia Soffritti , Enrico Balestra , Giuseppe Penzo , Gabriele Mei
IPC分类号： C08F2/01
CPC分类号： B01J19/2435 , B01J2219/00164 , B01J2219/00166 , B01J2219/00173 , C08F10/00 , C08F110/06 , C08F210/06 , C08F2/34 , C08F2/001 , C08F2500/05 , C08F210/16
摘要： A process for the gas-phase polymerization of α-olefins carried out in two interconnected polymerization zones, wherein the growing polymer particles flow through the first of said polymerization zones (riser) under fast fluidization conditions, leave said riser and enter the second of said polymerization zones (downcomer) through which they flow downward in a densified form, the process being characterized in that: (a) the gas mixture present in the riser is totally or partially prevented from entering the downcomer by introducing into the upper part of said downcomer a liquid stream LB having a composition different from the gaseous mixture present in the riser; (b) the ratio R between the flow rate Fp of polymer circulated between said downcomer and said riser and the flow rate LB of said liquid being adjusted in a range from 10 to 50.
摘要翻译：一种用于在两个相互连接的聚合区中进行的α-烯烃的气相聚合的方法，其中生长的聚合物颗粒在快速流化条件下流过第一个所述聚合区（提升管），离开所述提升管并进入所述聚合区（降液管），通过它们以致密化形式向下流动，该方法的特征在于：（a）通过引入所述降液管的上部，存在于提升管中的气体混合物被全部或部分地防止进入降液管具有与提升管中存在的气体混合物不同的组成的液体流LB; （b）在所述降液管和所述提升管之间循环的聚合物的流量Fp与所述液体的流量LB之间的比R调节在10至50的范围内。

4. 发明授权

US08198383B2 Process for the gas-phase polymerization of olefins 有权
标题翻译：烯烃气相聚合方法
公开(公告)号：US08198383B2
公开(公告)日：2012-06-12
申请号：US12735090
申请日：2008-12-17
申请人： Antonio Mazzucco , Riccardo Rinaldi , Silvia Soffritti , Enrico Balestra , Giuseppe Penzo , Gabriele Mei
发明人： Antonio Mazzucco , Riccardo Rinaldi , Silvia Soffritti , Enrico Balestra , Giuseppe Penzo , Gabriele Mei
IPC分类号： C08F2/00 , C08F210/00 , C08F110/02 , B01J19/18 , B01J8/18
CPC分类号： B01J19/2435 , B01J2219/00164 , B01J2219/00166 , B01J2219/00173 , C08F10/00 , C08F110/06 , C08F210/06 , C08F2/34 , C08F2/001 , C08F2500/05 , C08F210/16
摘要： A process for the gas-phase polymerization of α-olefins carried out in two interconnected polymerization zones, wherein the growing polymer particles flow through the first of said polymerization zones (riser) under fast fluidization conditions, leave said riser and enter the second of said polymerization zones (downcomer) through which they flow downward in a densified form, the process being characterized in that: (a) the gas mixture present in the riser is totally or partially prevented from entering the downcomer by introducing into the upper part of said downcomer a liquid stream LB having a composition different from the gaseous mixture present in the riser; (b) the ratio R between the flow rate Fp of polymer circulated between said downcomer and said riser and the flow rate LB of said liquid being adjusted in a range from 10 to 50.
摘要翻译：一种用于在两个相互连接的聚合区中进行的α-烯烃的气相聚合的方法，其中生长的聚合物颗粒在快速流化条件下流过第一个所述聚合区（提升管），离开所述提升管并进入所述聚合区（降液管），通过它们以致密化形式向下流动，该方法的特征在于：（a）通过引入所述降液管的上部，存在于提升管中的气体混合物被全部或部分地防止进入降液管具有与提升管中存在的气体混合物不同的组成的液体流LB; （b）在所述降液管和所述提升管之间循环的聚合物的流量Fp与所述液体的流量LB之间的比R调节在10至50的范围内。

5. 发明申请

US20130090436A1 Process for the Gas-Phase Polymerization of Olefins 有权
标题翻译：烯烃气相聚合方法
公开(公告)号：US20130090436A1
公开(公告)日：2013-04-11
申请号：US13703613
申请日：2011-06-09
申请人： Enrico Balestra , Tiziana Caputo , Antonio Mazzucco , Riccardo Rinaldi , Silvia Soffritti
发明人： Enrico Balestra , Tiziana Caputo , Antonio Mazzucco , Riccardo Rinaldi , Silvia Soffritti
IPC分类号： C08F2/01
CPC分类号： C08F2/01 , C08F210/06 , C08F2/001 , C08F2/34 , C08F210/14 , C08F210/16
摘要： A process for the gas-phase copolymerization of: (a) propylene, (b) at least one C4-C8 α-olefin, and (c) optionally ethylene, the process being carried out in a reactor having two interconnected polymerization zones, wherein the growing polymer particles flow through the first of said polymerization zones (riser) under fast fluidization conditions, leave said riser and enter the second of said polymerization zones (downcomer) through which they flow downward in a densified form, leave said downcomer and are reintroduced into said riser, thus establishing a circulation of polymer between the riser and the downcomer, the gas mixture present in the riser being at least partially prevented from entering the downcomer by introducing into the upper part of said downcomer a liquid barrier having a composition different from the gaseous mixture present in the riser and comprising at least one C4-C8 α-olefin in a total amount of from 0.1% to 35% by mol.
摘要翻译：一种用于气相共聚的方法：（a）丙烯，（b）至少一种C 4 -C 8α-烯烃和（c）任选的乙烯，该方法在具有两个互连的聚合区的反应器中进行，其中生长的聚合物颗粒在快速流化条件下流过第一个所述聚合区（提升管），离开所述提升管并进入第二个所述聚合区（降液管），通过它们以致密形式向下流动，离开所述降液管并重新引入由此，在立管和降液管之间形成聚合物的循环，存在于提升管中的气体混合物至少部分地被阻止通过将所述降液管的上部引入到具有不同于存在于提升管中的气态混合物包含总量为0.1％至35％摩尔的至少一种C 4 -C 8α-烯烃。

6. 发明授权

US08785572B2 Process for the gas-phase polymerization of olefins 有权
标题翻译：烯烃气相聚合方法
公开(公告)号：US08785572B2
公开(公告)日：2014-07-22
申请号：US13703613
申请日：2011-06-09
申请人： Enrico Balestra , Tiziana Caputo , Antonio Mazzucco , Riccardo Rinaldi , Silvia Soffritti
发明人： Enrico Balestra , Tiziana Caputo , Antonio Mazzucco , Riccardo Rinaldi , Silvia Soffritti
IPC分类号： C08F2/00 , C08F210/00 , C08F110/02 , B01J19/00 , B01J8/18
CPC分类号： C08F2/01 , C08F210/06 , C08F2/001 , C08F2/34 , C08F210/14 , C08F210/16
摘要： A process for the gas-phase copolymerization of: (a) propylene, (b) at least one C4-C8 α-olefin, and (c) optionally ethylene, the process being carried out in a reactor having two interconnected polymerization zones, wherein the growing polymer particles flow through the first of said polymerization zones (riser) under fast fluidization conditions, leave said riser and enter the second of said polymerization zones (downcomer) through which they flow downward in a densified form, leave said downcomer and are reintroduced into said riser, thus establishing a circulation of polymer between the riser and the downcomer, the gas mixture present in the riser being at least partially prevented from entering the downcomer by introducing into the upper part of said downcomer a liquid barrier having a composition different from the gaseous mixture present in the riser and comprising at least one C4-C8 α-olefin in a total amount of from 0.1% to 35% by mol.
摘要翻译：一种用于气相共聚的方法：（a）丙烯，（b）至少一种C 4 -C 8α-烯烃和（c）任选的乙烯，该方法在具有两个互连的聚合区的反应器中进行，其中生长的聚合物颗粒在快速流化条件下流过第一个所述聚合区（提升管），离开所述提升管并进入第二个所述聚合区（降液管），通过它们以致密形式向下流动，离开所述降液管并重新引入由此，在立管和降液管之间形成聚合物的循环，存在于提升管中的气体混合物至少部分地被阻止通过将所述降液管的上部引入到具有不同于存在于提升管中的气态混合物包含总量为0.1％至35％摩尔的至少一种C 4 -C 8α-烯烃。

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