公开(公告)号：EP1673401A4

公开(公告)日：2007-07-11

申请号：EP04818278

申请日：2004-03-24

申请人： UNIVATION TECH LLC

发明人： EHRMAN FRED D ,  SHIRODKAR PRADEEP P ,  DAVIS MARK B ,  ZILKER DANIEL P JR ,  SHANNON PORTER C

IPC分类号： C08F4/06 ,  C08F2/34 ,  C08F4/42 ,  C08F4/64 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F210/16

CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F210/16 ,  C08F4/65904 ,  C08F2/40 ,  C08F2/34 ,  C08F2/005 ,  C08F2/38 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/08 ,  C08F2500/07 ,  C08F210/08 ,  C08F2500/05 ,  C08F2500/01 ,  C08F2500/02

摘要： Methods of controlling the flow index and/or molecular weight split of a polymer composition are disclosed. The method of producing a polymer composition in one embodiment comprises incorporating a high molecular weight polymer into a low molecular weight polymer to form the polymer composition in a single polymerization reactor in the presence of polymerizable monomers, a bimetallic catalyst composition and at least one control agent; wherein the control agent is added in an amount sufficient to control the level of incorporation of the high molecular weight polymer, the level of low molecular weight polymer, or both. Examples of control agents include alcohols, ethers, amines and oxygen.

摘要翻译： 公开了控制聚合物组合物的流动指数和/或分子量分配的方法。 在一个实施方案中生产聚合物组合物的方法包括将高分子量聚合物掺入低分子量聚合物中以在单一聚合反应器中在可聚合单体，双金属催化剂组合物和至少一种控制剂 ; 其中控制剂的加入量足以控制高分子量聚合物的掺入量，低分子量聚合物的量或两者。 控制剂的实例包括醇，醚，胺和氧。

公开(公告)号：EP1673400A4

公开(公告)日：2007-07-11

申请号：EP04818279

申请日：2004-03-25

申请人： UNIVATION TECH LLC

发明人： EHRMAN FRED D ,  SHIRODKAR PRADEEP P ,  SANTANA ROBERT L ,  SHANNON PORTER C

IPC分类号： C08F2/34 ,  C08F4/60 ,  C08F4/642 ,  C08F4/654 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F210/16 ,  C08L23/02

CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F210/16 ,  C08F4/65904 ,  C08F2/40 ,  C08F2/34 ,  C08F2/005 ,  C08F2/38 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/08 ,  C08F2500/07 ,  C08F210/08 ,  C08F2500/05 ,  C08F2500/01 ,  C08F2500/02

摘要： Methods of controlling rheological properties of polymer compositions comprising at least one high molecular weight polymer and one low molecular weight polymer are disclosed. The polymer compositions are produced by polymerizing monomers in a single reactor using a bimetallic catalyst composition. A control agent such as, for example, an alcohol, ether, oxygen or amine is added to the reactor to control the rheological properties of the reactor. The polymerization takes place in the presence of rheological-altering compounds such as alkanes and aluminum alkyls. The control agents are added in an amount sufficient to counter the influences of the rheological-altering compounds.

公开(公告)号：EP1675877A4

公开(公告)日：2009-11-11

申请号：EP04785316

申请日：2004-09-30

申请人： UNIVATION TECH LLC

发明人： SANDELL DAVID J ,  MCBRIDE MARJORIE E ,  EHRMAN FRED D

IPC分类号： C08F2/00 ,  B01J8/24 ,  B01J19/18 ,  C08F20060101 ,  C08F2/34 ,  C08F2/38 ,  C08F4/06 ,  C08F10/00 ,  C08F110/02 ,  C08F210/16

CPC分类号： B01J8/1809 ,  B01J19/0006 ,  B01J19/0033 ,  B01J19/1837 ,  B01J2219/00081 ,  B01J2219/00103 ,  B01J2219/00108 ,  B01J2219/002 ,  B01J2219/00202 ,  B01J2219/00209 ,  B01J2219/00218 ,  B01J2219/00227 ,  B01J2219/00243 ,  C08F2/00 ,  C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  C08F2400/02 ,  C08F2/34 ,  C08F2500/12 ,  C08F210/14

公开(公告)号：EP1692195A4

公开(公告)日：2007-05-23

申请号：EP04820704

申请日：2004-03-31

申请人： UNIVATION TECH LLC

发明人： SHANNON PORTER C ,  KUMAR RAKESH ,  SHIRODKAR PRADEEP P ,  EHRMAN FRED D ,  DAVIS MARK B ,  TRAPP KEITH W ,  DONGMING LI

IPC分类号： C08F10/02 ,  C08F210/02 ,  C08F210/16 ,  C08J5/18 ,  C08L23/08

CPC分类号： C08L23/0815 ,  C08F210/16 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2666/06 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/02 ,  C08F2500/01 ,  C08F2500/05 ,  C08F2500/26

摘要： A film comprising a polyethylene composition, the polyethylene composition in one embodiment comprising a high molecular weight component having a weight average molecular weight of greater than 50,000 amu and a low molecular weight component having a weight average molecular weight of less than 50,000 amu; the polyethylene composition possessing a density of between 0.940 and 0.970 g/cm3, and an I21 value of less than 20 dg/min; characterized in that the polyethylene composition extrudes at an advantageously high specific throughput at an advantageously low melt temperature, and wherein the film has a gel count of less than 100.

公开(公告)号：EP1732954A4

公开(公告)日：2009-11-11

申请号：EP04789353

申请日：2004-09-30

申请人： UNIVATION TECH LLC

发明人： SANDELL DAVID J ,  MCBRIDE MARJORIE E ,  EHRMAN FRED D

IPC分类号： C08F2/00 ,  B01J8/24 ,  B01J19/18 ,  C08F20060101 ,  C08F2/34 ,  C08F2/38 ,  C08F4/06 ,  C08F10/00 ,  C08F110/02 ,  C08F210/16

CPC分类号： B01J8/1809 ,  B01J19/0006 ,  B01J19/0033 ,  B01J19/1837 ,  B01J2219/00081 ,  B01J2219/00103 ,  B01J2219/00108 ,  B01J2219/002 ,  B01J2219/00202 ,  B01J2219/00209 ,  B01J2219/00218 ,  B01J2219/00227 ,  B01J2219/00243 ,  C08F2/00 ,  C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  C08F2400/02 ,  C08F2/34 ,  C08F2500/12 ,  C08F210/14

公开(公告)号：EP1620472A4

公开(公告)日：2006-07-05

申请号：EP04716859

申请日：2004-03-03

申请人： UNIVATION TECH LLC

发明人： KINNAN MICHAEL A ,  EHRMAN FRED D ,  SHIRODKAR PRADEEP P ,  DAVIS MARK B ,  GRIEF-RUST MICHELE L

IPC分类号： C08F2/00 ,  C08F2/38 ,  C08F4/06 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F210/16

CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F210/16 ,  C08F2410/05 ,  C08F4/65904 ,  C08F2/42 ,  C08F4/69 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/24 ,  C08F4/6546

摘要： A method of transitioning catalysts for polyolefin polymerization is provided. In one aspect, the process includes providing a polymerization reactor that includes a first catalyst system, contacting olefin monomers with the first catalyst system for form polyolefin in a first polymerization reaction and introducing a catalyst killer to the polymerization reactor in an amount sufficient to terminate the first polymerization reaction. The method further includes introducing a second catalyst system to the polymerization reactor in the presence of at least a portion of the catalyst killer, wherein the at least a portion of the catalyst killer is an amount sufficient to activate the second catalyst system and contacting olefin monomers with the second catalyst system to form polyolefin in a second polymerization reaction.

公开(公告)号：EP1546212A4

公开(公告)日：2006-07-05

申请号：EP03794469

申请日：2003-08-12

申请人： UNIVATION TECH LLC

发明人： KUO CHI-I ,  MCCULLOUGH LAUGHLIN G ,  SHIRODKAR PRADEEP P ,  EHRMAN FRED D ,  SHANNON PORTER C ,  SANTANA ROBERT L ,  ACKERMAN STEVEN K ,  ONEIL DANIEL G

IPC分类号： C08J5/18 ,  C08F2/34 ,  C08F4/02 ,  C08F4/44 ,  C08F4/60 ,  C08F4/642 ,  C08F4/646 ,  C08F4/652 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F10/02 ,  C08F210/16 ,  C08F110/02 ,  C08F210/02

CPC分类号： C08F10/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F210/16 ,  Y10S526/943 ,  C08F4/65904 ,  C08F2/34 ,  C08F210/14 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/26

摘要： A process of producing a bimodal polyolefm composition is described, which includes in one embodiment contacting monomers with a supported bimetallic catalyst composition for a time sufficient to form a bimodal polyolefm composition that includes a high molecular weight polyolefin component and a low molecular weight polyolefin component; wherein the supported bimetallic catalyst includes a first catalyst component that is preferably nonmetallocene, and a second catalyst component that includes a metallocene catalyst compound having at least one fluoride or fluorine containing leaving group, wherein the bimetallic catalyst is supported by an enhanced silica, dehydrated at a temperature of 800 °C or more in one embodiment.