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1. 发明授权

US4892853A Ethylene polymerization catalyst 失效
标题翻译：乙烯聚合催化剂
公开(公告)号：US4892853A
公开(公告)日：1990-01-09
申请号：US251360
申请日：1988-09-30
申请人： Kevin J. Cann , Frederick J. Karol , Kiu H. Lee , Arthur E. Marcinkowsky
发明人： Kevin J. Cann , Frederick J. Karol , Kiu H. Lee , Arthur E. Marcinkowsky
IPC分类号： C08F4/60 , C08F4/68 , C08F10/02
CPC分类号： C08F10/02
摘要： A vanadium catalyst composition comprising:(i) the reaction product of a vanadium compound and an electron donor, which is a liquid, organic Lewis base in which the vanadium compound is soluble;(ii) a hydrocarbyl aluminum cocatalyst; and(iii) a promoter having the following formula:C.sub.3 (X).sub.a (F).sub.b (H).sub.cwherein X is chlorine, bromine, or iodine, and each X can be alike or differenta=an integer from 6 to 8b=an integer from 0 to 2c=an integer from 0 to 2a+b+c=8

2. 发明授权

US4772736A Process for the preparation of aluminoxanes 失效
标题翻译：铝氧烷的制备方法
公开(公告)号：US4772736A
公开(公告)日：1988-09-20
申请号：US124084
申请日：1987-11-23
申请人： David N. Edwards , John R. Briggs , Arthur E. Marcinkowsky , Kiu H. Lee
发明人： David N. Edwards , John R. Briggs , Arthur E. Marcinkowsky , Kiu H. Lee
IPC分类号： C07F5/06 , C08F4/60 , C08F4/62 , C08F10/00
CPC分类号： C07F5/068 , C08F10/00
摘要： A process for the preparation of aluminoxanes comprising introducing, under reaction conditions, at least one stream of water beneath the surface of an agitated solution of a hydrocarbyl aluminum compound in such a manner that the stream of water is essentially immediately dispersed on contact with the solution.

3. 发明授权

US5187246A Process for making EPR resins 失效
标题翻译：制备EPR树脂的方法
公开(公告)号：US5187246A
公开(公告)日：1993-02-16
申请号：US544547
申请日：1990-06-26
申请人： Edgar C. Baker , Francis G. Stakem , Allen Noshay , Kiu H. Lee , Arthur E. Marcinkowsky
发明人： Edgar C. Baker , Francis G. Stakem , Allen Noshay , Kiu H. Lee , Arthur E. Marcinkowsky
IPC分类号： C08F2/34 , C08F2/38 , C08F4/60 , C08F4/68 , C08F8/00 , C08F10/00 , C08F10/02
CPC分类号： C08F10/02 , Y10S526/901
摘要： An improved polymerization process for making essentially non-agglomerated ethylene polymers, especially EPR polymers, based on the use of a high activity vanadium catalyst, which utilizes an alkylated metal chain transfer agent to moderate the kinetics of the polymerization reaction so as to avoid formation of an undesirable amount of agglomerated polymer.

4. 发明授权

US5068489A Preparation of very low molecular weight polyethylene in a fluidized bed 失效
标题翻译：在流化床中制备非常低分子量的聚乙烯
公开(公告)号：US5068489A
公开(公告)日：1991-11-26
申请号：US458390
申请日：1989-12-28
申请人： David N. Edwards , Robert J. Jorgensen , Kiu H. Lee , Arthur E. Marcinkowsky
发明人： David N. Edwards , Robert J. Jorgensen , Kiu H. Lee , Arthur E. Marcinkowsky
IPC分类号： C08F2/34 , C08F4/60 , C08F4/658 , C08F4/659 , C08F10/00 , C08F210/02 , C08F210/16
CPC分类号： C08F210/16 , Y10S526/905
摘要： Ethylene copolymers having a very low molecular weight are continuously prepared in a fluidized bed in the presence of reduced concentrations of hydrogen, at improved catalyst activity and polymer productivity, by effecting polymerization in the presence of a dialkylzinc compound.

5. 发明授权

US5548040A Process for passivation of a reactor after shutdown of alpha olefin polymerization processes 失效
标题翻译：在关闭α-烯烃聚合方法后钝化反应器的方法
公开(公告)号：US5548040A
公开(公告)日：1996-08-20
申请号：US359513
申请日：1994-12-20
申请人： Kevin J. Cann , Fathi D. Hussein , Daniel P. Zilker, Jr. , Kiu H. Lee
发明人： Kevin J. Cann , Fathi D. Hussein , Daniel P. Zilker, Jr. , Kiu H. Lee
IPC分类号： C08F2/00 , C08F2/34 , C08F4/60 , C08F4/68 , C08F10/00 , C08F210/16
CPC分类号： C08F210/16
摘要： A method for passivating internal surfaces of a reactor system during start-up and shutdown of an alpha olefin polymerization or copolymerization reaction by adding a passivation agent such as a dialkyl zinc compound, an alcohol, or an epoxide, to the reactor prior to exposing the internal reactor surfaces to air or moisture before reaction initiation and/or after reaction ceases.
摘要翻译：一种在将α-烯烃聚合或共聚反应的启动和停止期间钝化反应器系统的内表面的方法，在暴露所述反应器之前，向所述反应器中加入钝化剂，例如二烷基锌化合物，醇或环氧化物在反应开始和/或反应停止之后内部反应器表面与空气或水分。

6. 发明授权

US5126398A Process for the in situ blending of polymers 失效
标题翻译：聚合物原位共混方法
公开(公告)号：US5126398A
公开(公告)日：1992-06-30
申请号：US724804
申请日：1991-07-02
申请人： Kiu H. Lee , Frederick J. Karol , Sari B. Samuels
发明人： Kiu H. Lee , Frederick J. Karol , Sari B. Samuels
IPC分类号： C08F210/16 , C08F297/08
CPC分类号： C08F297/08 , C08F210/16
摘要： A process for the in situ blending of polymers comprising continuously contacting, under polymerization conditions, a mixture of ethylene and at least one alpha-olefin having at least 3 carbon atoms with a catalyst in at least two fluidized bed reactors connected in series, said catalyst comprising:(i) a complex consisting essentially of magnesium titanium, a halogen, and an electron donor;(ii) at least one activator compound; and(iii) a hydrocarbyl aluminum cocatalyst, the polymerization conditions being such that ethylene copolymer having a high melt index in the range of about 0.1 to about 1000 grams per 10 minutes is formed in at least one reactor and ethylene copolymer having a low melt index in the range of about 0.001 to about 1.0 gram per 10 minutes is formed in at least one other reactor, each copolymer having a density of about 0.860 to about 0.965 gram per cubic centimeter and a melt flow ratio in the range of about 22 to about 70, and being admixed with active catalyst.
摘要翻译：一种用于原位共混聚合物的方法，包括在聚合条件下将至少一种具有至少3个碳原子的至少一种α-烯烃的混合物与至少两个串联连接的流化床反应器中的催化剂连续接触，所述催化剂包括：（i）基本上由镁钛，卤素和电子给体组成的络合物; （ii）至少一种活化剂化合物; 和（iii）烃基铝助催化剂，聚合条件使得在至少一个反应器中形成熔体指数在约0.1至约1000克/ 10分钟范围内的乙烯共聚物，其熔体指数低在至少一个其它反应器中形成约0.001至约1.0克/ 10分钟的范围，每个共聚物的密度为约0.860至约0.965克/立方厘米，熔体流动比在约22至约 70，并与活性催化剂混合。

7. 发明授权

US5149738A Process for the in situ blending of polymers 失效
标题翻译：聚合物原位共混方法
公开(公告)号：US5149738A
公开(公告)日：1992-09-22
申请号：US724805
申请日：1991-07-02
申请人： Kiu H. Lee , Frederick J. Karol , Sari B. Samuels
发明人： Kiu H. Lee , Frederick J. Karol , Sari B. Samuels
IPC分类号： C08F210/16 , C08F297/08
CPC分类号： C08F297/08 , C08F210/16
摘要： A process for the in situ blending of polymers comprising continuously contacting, under polymerization conditions, a mixture of ethylene and at least one alpha-olefin having at least 3 carbon atoms with a catalyst in at least two fluidized bed reactors connected in series, said catalyst comprising:(i) a complex consisting essentially of magnesium titanium, a halogen, and an electron donor;(ii) at least one activator compound for the complex having the formula AlR".sub.e X'.sub.f H.sub.g wherein X' is Cl or OR'"; R" and R'" are saturated aliphatic hydrocarbon radicals having 1 to 14 carbon atoms and are alike or different; f is 0 to 1.5; g is 0 or 1; and e+f+g=3; and(iii) a hydrocarbyl aluminum cocatalyst, the polmerization conditions being such that ethylene copolymer having a high melt index in the range of about 0.1 to about 1000 grams per 10 minutes is formed in at least one reactor and ethylene copolymer having a low melt index in the range of about 0.001 to about 1.0 gram per 10 minutes is formed in at least one other reactor, each copolymer having a density of about 0.860 to about 0.965 gram per cubic centimeter and a melt flow ratio in the range of about 22 to about 70, and being admixed with active catalyst.
摘要翻译：一种用于原位共混聚合物的方法，包括在聚合条件下将至少一种具有至少3个碳原子的至少一种α-烯烃的混合物与至少两个串联连接的流化床反应器中的催化剂连续接触，所述催化剂包括：（i）基本上由镁钛，卤素和电子给体组成的络合物; （ii）具有式AlR''EX'fHg的络合物的至少一种活化剂化合物，其中X'为Cl或OR“'; R“和R”'是具有1至14个碳原子的饱和脂族烃基，并且是相同或不同的; f为0〜1.5; g为0或1; 和e + f + g = 3; 和（iii）烃基铝助催化剂，所述聚合条件使得在至少一个反应器和具有低熔体指数的乙烯共聚物中形成具有约0.1-约1000克/ 10分钟范围内的高熔体指数的乙烯共聚物在至少一个其它反应器中形成约0.001至约1.0克/ 10分钟的范围，每个共聚物的密度为约0.860至约0.965克/立方厘米，熔体流动比在约22至约 70，并与活性催化剂混合。

8. 发明授权

US5047468A Process for the in situ blending of polymers 失效
标题翻译：聚合物原位共混方法
公开(公告)号：US5047468A
公开(公告)日：1991-09-10
申请号：US271639
申请日：1988-11-16
申请人： Kiu H. Lee , Frederick J. Karol , Sari B. Samuels
发明人： Kiu H. Lee , Frederick J. Karol , Sari B. Samuels
IPC分类号： C08F2/00 , C08F2/34 , C08F4/60 , C08F4/658 , C08F6/00 , C08F6/06 , C08F10/00 , C08F210/16 , C08F297/08 , C08L23/04 , C08L23/08
CPC分类号： C08F297/08 , C08F210/16
摘要： A process for the in situ blending of polymers comprising continuously contacting, under polymerization conditions, a mixture of ethylene and at least one alpha-olefin having at least 3 carbon atoms present in an amount of about 0.1 to 3.5 mole per mole of ethylene with a catalyst in at least two fluidized bed reactors connected in series, said catalyst comprising:(i) a complex consisting essentially of magnesium titanium, a halogen, and an electron donor;(ii) at least one activator compound for the complex having the formula A1R".sub.e X'.sub.f H.sub.g wherein X' is C1 or OR"'; R" and R"' are saturated aliphatic hydrocarbon radicals having 1 to 14 carbon atoms and are alike or different; f is 0 to 1.5; g is 0 or 1; and e+f+g=3; and(iii) a hydrocarbyl aluminum cocatalyst, the polymerization conditions being such that ethylene copolymer having a high melt index in the range of about 0.1 to about 1000 grams per 10 minutes is formed in at least one reactor and ethylene copolymer having a low melt index in the range of about 0.001 to about 1.0 gram per 10 minutes is formed in at last one other reactor, each copolymer having a density of about 0.860 to about 0.965 gram per cubic centimeter and a melt flow ratio in the range of about 22 to about 70, with the proviso that:(a) the mixture of copolymer of ethylene and active catalyst formed in one reactor in the series is transferred to the immediately succeeding reactor in the series; and(b) additionally hydrocarbyl aluminum cocatalyst is introduced into each reactor in an amount sufficient to restore the activity of the catalyst transferred from the preceding reactor.

9. 发明授权

US4994534A Process for producing sticky polymers 失效
标题翻译：生产粘性聚合物的方法
公开(公告)号：US4994534A
公开(公告)日：1991-02-19
申请号：US413704
申请日：1989-09-28
申请人： Seung J. Rhee , Edgar C. Baker , David N. Edwards , Kiu H. Lee , John H. Moorhouse , Leonard S. Scarola , Frederick J. Karol
发明人： Seung J. Rhee , Edgar C. Baker , David N. Edwards , Kiu H. Lee , John H. Moorhouse , Leonard S. Scarola , Frederick J. Karol
IPC分类号： C08F2/34 , C08F2/44 , C08F32/00 , C08F36/00 , C08F136/06 , C08F210/16 , C08F210/18 , C08F232/08 , C08F293/00 , C08F297/08
CPC分类号： C08F2/44 , C08F210/18 , B29K2019/00 , B29K2021/00 , B29K2023/16 , B29K2105/16 , Y10S526/901
摘要： A process for producing sticky polymers at polymerization reaction temperatures in excess of the softening temperature of the sticky polymers in a fluidized bed reactor catalyzed by a transition metal catalyst, which comprises conducting the polymerization reaction above the softening temperatures of the sticky polymers in the presence of about 0.3 to about 60 weight percent, based on the weight of the final product of an inlet particulate material having a mean particle size of from about 0.01 to about 10 micron meters whereby polymer agglomeration of the sticky polymers is maintained at a size suitable for continuously producing the sticky polymers.

10. 发明授权

US5616661A Process for controlling particle growth during production of sticky polymers 失效
标题翻译：在粘性聚合物生产过程中控制颗粒生长的方法
公开(公告)号：US5616661A
公开(公告)日：1997-04-01
申请号：US414522
申请日：1995-03-31
申请人： Ronald S. Eisinger , Christopher S. Hunnisett , Fathi D. Hussein , Kiu H. Lee , Kevin J. Cann
发明人： Ronald S. Eisinger , Christopher S. Hunnisett , Fathi D. Hussein , Kiu H. Lee , Kevin J. Cann
IPC分类号： C08F2/34 , C08F2/44 , C08F10/00 , C08F210/18
CPC分类号： C08F210/18 , Y10S526/901
摘要： A process for controlling the particle growth of a polymer in a gas phase polymerization reaction by using an inert particulate material and an unsupported liquid polymerization catalyst.
摘要翻译：一种通过使用惰性颗粒材料和无载体液体聚合催化剂来控制气相聚合反应中聚合物颗粒生长的方法。

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