专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明申请

US20130072652A1 Process for preparing a supported catalyst system for olefin polymerization, the catalyst system and its use 有权
公开(公告)号：US20130072652A1
公开(公告)日：2013-03-21
申请号：US13700098
申请日：2011-05-26
申请人： Fabiana Fantinel , Shahram Mihan , Rainer Karer , Volker Fraaije
发明人： Fabiana Fantinel , Shahram Mihan , Rainer Karer , Volker Fraaije
IPC分类号： C08F4/80 , C08F210/16 , C08F4/42 , C08F4/00 , C08F4/52
CPC分类号： C08F210/16 , C08F4/61912 , C08F4/61916 , C08F4/61925 , C08L23/0815 , Y10S526/943 , C08F4/025 , C08F4/61904 , C08L2666/06 , C08F210/14 , C08F2500/17 , C08F4/7042
摘要： The invention refers to a process for preparing a supported catalyst system for the polymerization of olefins comprising at least one active catalyst component on a support, the process comprising A) impregnating a dry porous support component with a mixture comprising at least one precatalyst, at least one cocatalyst, and a first solvent, such that the total volume of the mixture is from 0.8 to 2.0 times the total pore volume of the support component, and B) thereafter, adding a second solvent in an amount of more than 1.5 times the total pore volume of the support component. The invention refers further to a catalyst system made by this process and the use of this catalyst system for polymerization or copolymerization of olefins.

32. 发明申请

US20120065335A1 Polyethylene composition suitable for the preparation of films and process for preparing the same 有权
标题翻译：适用于制备薄膜的聚乙烯组合物及其制备方法
公开(公告)号：US20120065335A1
公开(公告)日：2012-03-15
申请号：US13301495
申请日：2011-11-21
申请人： Jennifer Kipke , Shahram Mihan , Rainer Karer , Jörg Auffermann , Manfred Hecker , Paulus De Lange , Harald Schmitz
发明人： Jennifer Kipke , Shahram Mihan , Rainer Karer , Jörg Auffermann , Manfred Hecker , Paulus De Lange , Harald Schmitz
IPC分类号： C08L23/06
CPC分类号： C08L23/04 , C08L23/06 , C08L23/0815 , C08L2205/02 , C08L2205/025 , C08L2205/035 , C08L2308/00 , C08L2314/06 , C08L2666/06 , C08L2666/02
摘要： A polyethylene composition, in particular suitable for the preparation of films, and a process for preparing the same are described. The polyethylene composition of the invention comprises from 50 to 89% by weight of a first polyethylene component comprising at least one multimodal polyethylene including a plurality of ethylene polymer fractions having distinct molecular weights and comonomer contents, at least one of said plurality of ethylene polymer fractions being prepared by the use of a single site catalyst, and from 50 to 11% by weight of a second polyethylene component comprising a low or medium density polyethylene.
摘要翻译：描述了特别适用于制备薄膜的聚乙烯组合物及其制备方法。本发明的聚乙烯组合物包含50至89重量％的第一聚乙烯组分，其包含至少一种多峰聚乙烯，其包含具有不同分子量和共聚单体含量的多种乙烯聚合物级分，所述多种乙烯聚合物级分中的至少一种通过使用单中心催化剂制备，以及50至11重量％的包含低密度或中密度聚乙烯的第二聚乙烯组分。

33. 发明申请

US20090306324A1 Polyethylene molding compositions for injection molding applications 有权
标题翻译：用于注塑应用的聚乙烯模塑组合物
公开(公告)号：US20090306324A1
公开(公告)日：2009-12-10
申请号：US11919191
申请日：2006-04-15
申请人： Jennifer Kipke , Shahram Mihan , Rainer Karer
发明人： Jennifer Kipke , Shahram Mihan , Rainer Karer
IPC分类号： C08F110/02
CPC分类号： C08F10/02 , C08F4/65912 , C08F4/65916 , C08F4/65925 , C08F4/65927 , C08F10/00 , C08F210/16 , C08L23/06 , C08L2205/02 , C08L2207/07 , C08L2314/06 , C08F4/65904 , C08L2666/06 , C08F210/14 , C08F2500/12 , C08F2500/09
摘要： Monomodal molding compositions based on polymers of ethylene, wherein the density of the molding compositions is in the range from 0.940 to 0.96 g/cm3, the Mi is in the range from 0.5 to 10.0 g/10 min. the polydispersity Mw/Mn is in the range from 3 to 20, the branches/1000 carbon atoms is in the range from 0.1 to 10 and the weight average molar mass Mw is in the range from 50000 g/mol to 150000 g/mol, and also injection-molded shaped bodies as well as screw closures comprising the molding compositions.
摘要翻译：基于乙烯聚合物的单模成型组合物，其中模塑组合物的密度在0.940至0.96g / cm 3的范围内，Mi在0.5至10.0g / 10min的范围内。多分散性Mw / Mn为3〜20，分支/ 1000个碳原子为0.1〜10，重均摩尔质量Mw为50000g / mol〜150000g / mol，以及注模成形体以及包括模制组合物的螺旋封闭件。

34. 发明授权

US07582723B2 Process and apparatus for the polymerization of ethylene 有权
标题翻译：用于乙烯聚合的方法和设备
公开(公告)号：US07582723B2
公开(公告)日：2009-09-01
申请号：US11883713
申请日：2006-01-30
申请人： Giuseppe Penzo , Cyrus Ahmadzade-Youssefi , Rainer Karer , Ulrich Nieken
发明人： Giuseppe Penzo , Cyrus Ahmadzade-Youssefi , Rainer Karer , Ulrich Nieken
IPC分类号： C08F6/00 , C08F2/34 , B01D53/72
CPC分类号： C08F10/02 , B01J8/0035 , B01J8/006 , B01J8/24 , B01J2208/00274 , B01J2208/00761 , B01J2219/00006 , C08F6/005 , C08F10/00 , C08F110/02 , C08F210/16 , Y02P20/582 , Y10S526/92 , C08L23/06 , C08L23/0815 , C08F4/69 , C08F2/34 , C08F2/01 , C08F210/08 , C08F210/14
摘要： Process for the polymerization of ethylene or of ethylene with further 1-olefins, in which the ethylene is polymerized in the presence of a catalyst in a gas-phase reactor and reaction gas comprising propane and unpolymerized ethylene is circulated to remove the heat of polymerization, wherein the polymer particles are discharged continuously or discontinuously from the reactor, the polymer particles are separated from the major part of the concomitantly discharged gas and the polymer particles are degassed, the gas is freed of entrained fine particles and is separated from a low-boiling fraction comprising ethylene or from a high boiling fraction containing further 1-olefins or alkanes having from 4 to 12 carbon atoms in a first separation stage, a propane fraction is separated off in a second separation stage and this propane fraction is used for degassing the polymer particles discharged from the reactor, with the proportion of ethylene in the propane fraction being less than 1 mol % and the proportion of 1-olefins and alkanes having from 4 to 12 carbon atoms in the propane fraction being less than 4 mol %, in each case based on the total propane fraction. Furthermore, an apparatus for carrying out the process. In this way, a high heat discharge from the reactor, satisfactory degassing of the discharged polymer particles and recovery of the reaction gas discharged together with the polymer particles and also the gas used for degassing the polymer particles are made possible.
摘要翻译：乙烯或乙烯与进一步的1-烯烃聚合的方法，其中乙烯在催化剂存在下在气相反应器和包含丙烷和未聚合乙烯的反应气体中聚合循环以除去聚合热，其中聚合物颗粒从反应器中连续或不连续地排出，聚合物颗粒与伴随排出气体的主要部分分离，聚合物颗粒脱气，气体不含夹带的细颗粒，并从低沸点在第一分离阶段，包含乙烯或含有另外的具有4至12个碳原子的1-烯烃或烷烃的高沸点馏分的馏分在第二分离阶段分离出丙烷馏分，该丙烷馏分用于使聚合物脱气从反应器排出的颗粒，丙烷馏分中乙烯的比例小于1mol ％，丙烷馏分中具有4至12个碳原子的1-烯烃和烷烃的比例小于4mol％，基于总丙烷馏分。此外，一种用于执行该过程的装置。以这种方式，可以从反应器的高热放电，排出的聚合物颗粒的令人满意的脱气和与聚合物颗粒一起排放的反应气体的回收以及用于使聚合物颗粒脱气的气体成为可能。

35. 发明授权

US4568659A Preparation of a transition metal catalyst component for Ziegler catalyst systems 失效
标题翻译：制备齐格勒催化剂体系的过渡金属催化剂组分
公开(公告)号：US4568659A
公开(公告)日：1986-02-04
申请号：US666541
申请日：1984-10-30
申请人： Volker Warzelhan , Rainer Karer , Robert Bachl , Guido Funk
发明人： Volker Warzelhan , Rainer Karer , Robert Bachl , Guido Funk
IPC分类号： C08F4/02 , C08F4/62 , C08F4/64 , C08F4/68 , C08F10/00
CPC分类号： C08F10/00
摘要： A transition metal catalyst component (1) for Ziegler catalyst systems is prepared by (1.1) first combining (1.1.1) an inorganic oxidic substance (I), as the carrier, with (1.1.2) a solution (II) consisting of (IIa) an organic solvent and (IIb) a transition metal composition to form a suspension (III), evaporating down this suspension to form a solid-phase intermediate (IV) and (1.2) then combining (1.2.1) the solid-phase intermediate (IV) obtained from (1.1) with (1.2.2) a solution of an organoaluminum compound (V) to form a suspension, the resulting suspended solid-phase products (VI) being the transition metal catalyst component (1).The characteristic feature is that the solution (II) employed in stage (1.1) consists of (IIa) a certain oxahydrocarbon and (IIb) a mixture of (IIb1) a vanadium trichloride/alcohol complex, (IIb2) a titanium trihalide and (IIb3) a zirconium tetrahalide.
摘要翻译：用于齐格勒催化剂体系的过渡金属催化剂组分（1）通过（1.1）首先将作为载体的无机氧化物质（I）与（1.1.2）由（IIa）有机溶剂和（IIb）过渡金属组合物以形成悬浮液（III），将该悬浮液蒸发以形成固相中间体（IV）和（1.2），然后将（1.2.1）由（1.1）与（1.2.2）得到的相变中间体（Ⅳ）与有机铝化合物（Ⅴ）的溶液形成悬浮液，得到的悬浮固相产物（Ⅵ）为过渡金属催化剂组分（ⅰ）。特征在于，（1.1）中使用的溶液（II）由（IIa）某种氧杂烃和（IIb）（IIb1）三氯化钒/醇络合物，（IIb2）三卤化钛和（IIb3）的混合物）四卤化锆。

36. 发明申请

US20110217499A1 Polyethylene for Injection Moldings 有权
标题翻译：聚乙烯注塑成型
公开(公告)号：US20110217499A1
公开(公告)日：2011-09-08
申请号：US13060076
申请日：2009-08-27
申请人： Gerd Mannebach , Harald Schmitz , Shahram Mihan , Rainer Karer , Manfred Hecker , Guido Funk , Adrian Popa
发明人： Gerd Mannebach , Harald Schmitz , Shahram Mihan , Rainer Karer , Manfred Hecker , Guido Funk , Adrian Popa
IPC分类号： C08F110/02 , C08F110/14 , C08F110/08 , C08F110/06 , C08F4/80 , B32B1/08 , B65D41/04
CPC分类号： C08L23/04 , C08L2205/02 , Y10T428/139 , C08L2666/06
摘要： A polyethylene for IM having excellent processing properties in terms of spiral flow testing is devised.
摘要翻译：设计了一种在螺旋流动测试方面具有优异加工性能的用于IM的聚乙烯。

37. 发明授权

US07964677B2 Method of changing between incompatible polymerization catalysts in a gas-phase fluidized-bed reactor 有权
标题翻译：在气相流化床反应器中改变不相容的聚合催化剂的方法
公开(公告)号：US07964677B2
公开(公告)日：2011-06-21
申请号：US12085079
申请日：2006-11-10
申请人： Shahram Mihan , Rainer Karer
发明人： Shahram Mihan , Rainer Karer
IPC分类号： C08F2/34 , C08F4/78
CPC分类号： C08F10/00 , C08F210/16 , Y10S526/901 , C08F2/34 , C08F2/42 , C08F4/24 , C08F210/08 , C08F2500/12 , C08F2500/18 , C08F210/14
摘要： Method of changing from a polymerization using a first catalyst to a polymerization using a second catalyst which is incompatible with the first catalyst in a gas-phase reactor, which comprises the steps a) stopping of the polymerization reaction using the first catalyst, b) flushing of the reactor under polymerization conditions with at least one deactivating agent comprising a volatile constituent and a nonvolatile constituent in a weight ratio of from 0.1 to 1000, c) introduction of the second catalyst into the reactor and d) continuation of the polymerization using the second catalyst.
摘要翻译：在使用第一催化剂的聚合中使用在气相反应器中与第一催化剂不相容的第二催化剂进行聚合的方法，其包括步骤a）使用第一催化剂停止聚合反应，b）冲洗的反应器在至少一种包含挥发性组分和非挥发性组分的去活化剂的重量比为0.1至1000的反应器中，c）将第二催化剂引入反应器中，d）使用第二种方法继续聚合催化剂。

38. 发明授权

US07834107B2 Preparation of polyolefins having high molecular weights in the presence of an organic transition metal compound in a gas-phase fluidized-bed reactor 有权
标题翻译：在有机过渡金属化合物存在下，在气相流化床反应器中制备具有高分子量的聚烯烃
公开(公告)号：US07834107B2
公开(公告)日：2010-11-16
申请号：US10551676
申请日：2004-04-01
申请人： Alexander Köppl , Rainer Karer , Ulrich Nieken
发明人： Alexander Köppl , Rainer Karer , Ulrich Nieken
IPC分类号： C08F2/00
CPC分类号： C08F210/16 , Y10S526/901 , Y10S526/943 , C08F2/002 , C08F2/00 , C08F2/38 , C08F210/08 , C08F2500/12 , C08F2500/18
摘要： Process for preparing polyolefins having high molecular weights in the presence of a catalyst comprising an organic transition metal compound in a gas-phase fluidized-bed reactor, where the polyolefins prepared have a melt flow rate at 2.16 kg and 190° C. in accordance with ISO 1133 of less than 4 g/10 min. According to the present invention, a start-up phase during which a polyolefin having an increased melt flow rate of above 4 g/10 min is produced for a transitional period is provided. In this way, trouble-free start-up of the reactor is ensured even in the case of polymer products having a high molecular weight and a melt flow rate below 4 g/10 min and even when using catalysts based on organic transition metal compounds, in particular metallocene catalysts.
摘要翻译：在气相流化床反应器中，在含有有机过渡金属化合物的催化剂存在下制备具有高分子量的聚烯烃的方法，其中制备的聚烯烃的熔体流动速率为2.16kg和190℃，根据 ISO 1133小于4 g / 10 min。根据本发明，提供了一种启动阶段，其中在过渡时期内产生熔体流动速率增加至高于4g / 10min的聚烯烃。这样即使在具有高分子量和低于4g / 10min的熔体流动速率的聚合物产物的情况下甚至在使用基于有机过渡金属化合物的催化剂时也能确保反应器的无故障启动，特别是金属茂催化剂。

39. 发明授权

US07781544B2 Apparatus for the gas-phase polymerization of olefins, in particular ethylene 有权
标题翻译：用于烯烃气相聚合的装置，特别是乙烯
公开(公告)号：US07781544B2
公开(公告)日：2010-08-24
申请号：US11667349
申请日：2005-11-09
申请人： Eberhard Herrmann , Axel Sperber , Manfred Hecker , Rainer Karer , Klaus Berhalter , Paulus De Lange , Jörg Halpap , Cyrus Ahmadzade-Youssefi
发明人： Eberhard Herrmann , Axel Sperber , Manfred Hecker , Rainer Karer , Klaus Berhalter , Paulus De Lange , Jörg Halpap , Cyrus Ahmadzade-Youssefi
IPC分类号： C08F2/00 , F27B15/08
CPC分类号： B01J8/1872 , B01J8/0055 , B01J8/24 , B01J2208/00256 , B01J2208/00274 , B04C5/081 , C08F6/02 , C08F10/00 , C08F10/02 , C08F110/02 , C08L23/04 , C08F2/34
摘要： An apparatus for the polymerization of olefins, in particular ethylene, comprising a gas-phase fluidized-bed reactor (1), a recycle gas line (2) connected to the reactor for discharging and recirculating the recycle gas stream comprising the unpolymerized olefin and a cyclone (3) located in the recycle gas line for the reduction and precipitation of the solid particles entrained in the recycle gas from the reactor, with the cyclone comprising an upper section (3a) which has an essentially vertical central axis, whose wall extends along a rotationally symmetric body and which is provided with a cyclone inlet (4) arranged eccentrically relative to the central axis, a middle section (3b) which adjoins the upper section (3a) and whose wall extends along a rotationally symmetric body which tapers in a downward direction, a lower section (3c) for discharging the solid particles precipitated from the recycle gas which adjoins the middle section (3b) and whose wall extends along a rotationally symmetric body and a tube (5) extending essentially axially symmetrically down into the upper section and, if appropriate, the middle section for discharging the recycle gas which has been freed of the particles. According to the invention the ratio Hi of the distance hi from the lower end of the tube (5) extending downward into the cyclone to the intersection (6) of an imaginary extension of the wall of the downward-extending tube (5) with the wall of the middle section (3b) to the diameter di of the downward-extending tube (5) is from 3 to 8, in particular from 4 to 7.
摘要翻译：用于烯烃聚合的装置，特别是乙烯，包括气相流化床反应器（1），连接到反应器的再循环气体管线（2），用于排出和再循环包含未聚合烯烃的循环气流和旋风分离器（3）位于循环气体管线中，用于还原和沉淀夹带在来自反应器的再循环气体中的固体颗粒，其中旋风分离器包括具有基本垂直的中心轴线的上部分（3a），其上壁沿着旋转对称体，并且设置有相对于中心轴偏心布置的旋风入口（4），邻接上部（3a）的中间部分（3b），并且其壁沿着旋转对称的体用于排出邻近中间部分（3b）的循环气体沉淀的固体颗粒的下部（3c），并且其壁沿旋转方向延伸对称体和管（5），其基本上轴向对称地延伸到上部，并且如果适当的话，中间部分用于排出已经没有颗粒的循环气体。根据本发明，从管（5）的下端向下延伸到旋风分离器中的距离hi的距离hi与向下延伸的管（5）的壁的假想延伸部的交点（6）中间部分（3b）的壁向下延伸管（5）的直径di为3至8，特别是4至7。

40. 发明授权

US07776278B2 Apparatus and process for the gas-phase polymerization of olefins 有权
标题翻译：用于烯烃气相聚合的装置和方法
公开(公告)号：US07776278B2
公开(公告)日：2010-08-17
申请号：US11667417
申请日：2005-11-08
申请人： Eberhard Herrmann , Manfred Hecker , Rainer Karer , Klaus Berhalter , Paulus De Lange , Jörg Halpap , Cyrus Ahmadzade-Youssefi
发明人： Eberhard Herrmann , Manfred Hecker , Rainer Karer , Klaus Berhalter , Paulus De Lange , Jörg Halpap , Cyrus Ahmadzade-Youssefi
IPC分类号： B01J19/00
CPC分类号： B01J8/003 , B01J8/006 , B01J8/1872 , B01J2208/00256 , B01J2208/00274 , B01J2208/00761 , C08F10/00 , C08F110/02 , C08F2/34
摘要： Apparatus for the polymerization of olefins, in particular ethylene, comprising a gas-phase fluidized-bed reactor (1), a product offtake line (15) for taking polymer particles either continuously or discontinuously from the reactor (1), which line (15) is connected to a depressurization vessel (2) for separating polymer particles and gas, a recycle gas filter (3) for freeing the gas of entrained fine particles connected to the depressurization vessel (2), a compressor which compresses the gas which has been freed of fine particles and recirculates it into the reactor (1), with the recycle gas filter (3) having an inlet chamber (4) provided with a gas inlet (6), an outlet chamber (5) provided with a gas outlet (7), an essentially vertical sheet-like filter medium (9) for retaining the fine particles which separates the inlet chamber (4) from the outlet chamber (5) and a particle outlet (8). The inlet chamber (4) has a dividing wall (10) which is arranged essentially parallel to the filter medium (9) and separates the inlet chamber (4) into an inflow region (4a), which is connected to the gas inlet (6), and a filter region (4b) in which the filter medium is located and has an upper opening and a lower opening which are dimensioned so that from 60 to 90% of the volume flow flows through the upper opening so that flow along the filter medium (9) from the top downward results.
摘要翻译：用于烯烃聚合的设备，特别是乙烯，包括气相流化床反应器（1），用于从反应器（1）连续或不连续地获取聚合物颗粒的出口管线（15），该管线（15））连接到用于分离聚合物颗粒和气体的减压容器（2），用于释放连接到减压容器（2）的夹带的细颗粒的气体的循环气体过滤器（3），压缩已经被释放细颗粒并将其再循环到反应器（1）中，循环气体过滤器（3）具有设置有气体入口（6）的入口室（4），设置有气体出口的出口室（5） 7），用于保持将入口室（4）与出口室（5）分离的细颗粒和颗粒出口（8）的基本垂直的片状过滤介质（9）。入口室（4）具有基本上与过滤介质（9）平行布置的分隔壁（10），并将入口室（4）分离成入口区域（4a），该入口区域连接到气体入口）和过滤器区域（4b），其中所述过滤介质定位并具有上开口和下开口，所述上开口和下开口的尺寸使得所述体积流的60至90％流过所述上开口，使得沿着所述过滤器的流动中等（9）从上方下降。

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