CATALYST COMPOSITION COMPRISING SHUTTLING AGENT FOR ETHYLENE MULTI-BLOCK COPOLYMER FORMATION

CATALYST COMPOSITION COMPRISING SHUTTLING AGENT FOR ETHYLENE MULTI-BLOCK COPOLYMER FORMATIONA composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent. FIG. 1

CATALYST COMPOSITION COMPRISING SHUTTLING AGENT FOR ETHYLENE MULTI-BLOCK COPOLYMER FORMATION

CATALYST COMPOSITION COMPRISING SHUTTLING AGENT FOR ETHYLENE MULTI-BLOCK COPOLYMER FORMATIONA composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent. FIG. 1

HIGH TEMPERATURE POLYETHYLENE SOLUTION POLYMERIZATION PROCESS

Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when employed as catalyst components for the polymerization of ethylene/α-olefin copolymers, produce products having reduced I/Ivalues. 1. A process for polymerization of ethylene and one or more Cα-olefins or diolefins under continuous , solution polymerization conditions to prepare a high molecular weight polymer , said process comprising conducting the polymerization in the presence of a catalyst composition comprising a zirconium or hafnium complex of a polyvalent aryloxyether characterized in that the polymers have molecular weight distribution (M/M) less than or equal to 3.0 , comonomer contents giving polymer densities from 0.850 to 0.950 , and I/I≦10.2. A process according to wherein the polymer has Iand Iproperties satisfying the equation I/I≦10.32(MI)for I/Ion values ranging from 0.01 to 50.3. A process according to consisting essentially of copolymerized ethylene and 1-octene.4. A process according to operating at an ethylene conversion of 85 percent or greater.7. The process of or wherein each Argroup is substituted with at least one sterically bulky group claim 1 , and at least two Rgroups located on different aryleneoxy groups are sterically bulky.9. The process of wherein the sterically bulky Rand Rsubstituents are independently selected from the group consisting of tertiary alkyl- claim 8 , cycloalkyl- claim 8 , trihydrocarbylsilyl- claim 8 , tri(hydrocarbyl)silylhydrocarbyl- claim 8 , and tri(hydrocarbyl)phenyl-groups having from 3 to 20 nonhydrogen atoms.10. The process of wherein the sterically bulky Rand Rsubstituents are independently selected from the group consisting of: tert-butyl claim 9 , sec-butyl claim 9 , tert-octyl (2 claim 9 ,4 claim 9 ,4-trimethylpentan-2-yl) claim 9 , 1-phenylethyl claim 9 , 2 claim 9 ,3-dimethyl-but-2-yl claim 9 , trityl(triphenyl ...

Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: 1. A dispersion comprising:an ethylene/α-olefin multi-block interpolymer; anda dispersing agent.2. The dispersion of wherein the ethylene/α-olefin multi-block interpolymer has a Mw/Mn from 1.7 to 3.5 claim 1 , a melting point claim 1 , Tm claim 1 , in degrees Celsius claim 1 , and density claim 1 , d claim 1 , in grams/cubic centimeter claim 1 , wherein{'br': None, 'i': Tm>−', 'd', 'd, 'sup': '2', '2000.9+4538.5()−2422.2().'}3. The dispersion of wherein dispersing agent is a salt of a fatty acid of carbon chain length greater than 12 carbon atoms.4. The dispersion of wherein the ethylene/α-olefin multi-block interpolymer has an average particle size from 0.2 microns to 25 microns.5. The dispersion of wherein the dispersion is an aqueous dispersion.6. A froth comprising:an ethylene/α-olefin multi-block interpolymer;a dispersing agent; anda surfactant.7. The froth of wherein the ethylene/α-olefin multi-block interpolymer has a Mw/Mn from 1.7 to 3.5 claim 6 , a melting point claim 6 , Tm claim 6 , in degrees Celsius claim 6 , and density claim 6 , d claim 6 , in grams/cubic centimeter claim 6 , wherein{'br': None, 'i': Tm>−', 'd', 'd, 'sup': '2', '2000.9+4538.5()−2422.2().'}8. The froth of wherein dispersing agent is a salt of a fatty acid of carbon chain length greater than 12 carbon atoms.9. The froth of wherein the surfactant is selected from the group consisting of a cationic surfactant claim 6 , an anionic surfactant claim 6 , and a nonionic surfactant.10. The froth of wherein the surfactant is an anionic surfactant selected from the group consisting of carboxylic acid salts and ester amides of carboxylic fatty acids.11. The froth of ...

Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: 1. An olefin interpolymer having a Mw/Mn from 1.7 to 3.5 {'br': None, 'i': y*>−', 'H, '0.1299(Δ)+62.81'}, 'a delta quantity (tallest DSC peak minus tallest CRYSTAF peak) greater than the quantity, y*, defined by the equationand a heat of fusion up to 130 J/gwherein the CRYSTAF peak is determined using at least 5 percent of the cumulative polymer, and if less than 5 percent of the polymer has an identifiable CRYSTAF peak, then the CRYSTAF temperature is 30° C., and ΔH is the numerical value of the heat of fusion in J/g.2. The olefin interpolymer of wherein the ethylene/α-olefin copolymer comprises greater than 50 mol % units derived from ethylene.3. The olefin interpolymer of wherein the ethylene/α-olefin copolymer comprises a comonomer selected from the group consisting of butene claim 2 , hexene claim 2 , and octene.4. The olefin interpolymer of wherein the ethylene/α-olefin copolymer has one and only one melting point.5. The olefin interpolymer of wherein the ethylene/α-olefin copolymer has a glass transition temperature claim 2 , Tg claim 2 , less than −25° C.6. The olefin interpolymer of comprising at least three metals.7. The olefin interpolymer of wherein at least one of the metals is hafnium. This application is a continuation of U.S. patent application Ser. No. 12/962,800, filed Dec. 8, 2010; which is a continuation of U.S. patent application Ser. No. 12/962,822, filed on Dec. 8, 2010, now U.S. Pat. No. 8,198,374, issued Jun. 12, 2012; which is a continuation of U.S. patent application Ser. No. 10/589,377, filed on Aug. 14, 2006, now U.S. Pat. No. 7,858,706, issued Dec. 28, 2010; which is a 371 U.S. National Phase entry of PCT/ ...

Alkaryl-substituted group 4 metal complexes, catalysts and olefin polymerization process

Group 4 metal complexes of the constrained geometry type, catalysts derived therefrom, and polymerization processes using the same, characterized by an alkaryl-substituted silane bridging group are disclosed.

Dinuclear group 4 metal boron or aluminum bridge containing ansa-complexes

A dinuclear, Group 4 transition metal complex containing a boron or aluminum bridging group, preferably containing an electron donating group, especially an amido group, said bridging groups further joining two sets of π-bonding groups or electron donating groups that are bound to the Group 4 metal atom.

Low molecular weight ethylene interpolymers and polymerization process

Low molecular weight olefin polymers are prepared by a polymerization process employing titanium complexes comprising a 3-aryl-substituted cyclopentadienyl ring or substituted derivatives thereof as polymerization catalysts.

High temperature polyethylene solution polymerization process

Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when employed as catalyst components for the polymerization of ethylene/α-olefin copolymers, produce products having reduced I 10 /I 2 values.

Dinuclear complexes and polymerization catalysts therefrom

Group 3-6 or Lanthanide metal complexes possessing two metal centers joined by means of a divalent bridging group joining trivalent moieties comprising boron or a member of Group 14 of the Periodic Table of the Elements, and optionally also comprising nitrogen, phosphorus, sulfur or oxygen, in the complexes, catalysts derived therefrom by combining the same with strong Lewis acids, Bronsted acid salts, salts containing a cationic oxidizing agent or subjected to bulk electrolysis in the presence of compatible, inert non-coordinating anions and the use of such catalysts for polymerizing olefins, diolefins and/or acetylenically unsaturated monomers are disclosed.

置換インデニル金属錯体及び重合方法

【課題】容易に合成でき、且つ改良された触媒特性を有する改良されたインデニルリガンドを含有する金属錯体とそれを用いたオレフィン重合法の提供。 【解決手段】例えば下式に示したケイ素を含む置換基で置換されたインデン−１−イル基等の誘導体を含むチタン金属錯体と助触媒（メチルジ（Ｃ14-18アルキル）アンモニウムテトラキス（ペンタフルオロフェニル）ボレート（ＭＤＰＢ））から得られる触媒組成物にてオレフィン重合方法を実施する。 【選択図】なし

Substituted indenyl metal complexes and polymerization process

Metal complexes comprising a substituted inden-1-y1 group or hydrogenated or partially hydrogenated derivative thereof, said group being substituted at least at the 2-position thereof with a C4-30 ligand group containing a secondary or tertiary substitution pattern at the .beta.-carbon thereof, polymerization catalysts; and olefin polymerization processes using the same are disclosed.

Highly activated bimetallic complexes and polymerization process

Catalyst compositions comprising 1) one or more bimetallic Group 3-6 or Lanthanide metal complexes corresponding to the formula:  wherein: M and M′ are independently Group 3, 4, 5, 6, or Lanthanide metals; L is a divalent group (or trivalent group if bound to Q) having up to 50 nonhydrogen atoms and containing an aromatic π-system through which the group is bound to M, said L also being bound to Z; L′ is a monovalent group or a divalent group (if bound to L″ or Q), or a trivalent group (if bound to both L″ and Q) having up to 50 nonhydrogen atoms and containing an aromatic π-system through which the group is bound to M′; L″ is a monovalent group or a divalent group (if bound to L′ or Q), or a trivalent group (if bound to both L′ and Q) having up to 50 nonhydrogen atoms and containing an aromatic π-system through which the group is bound to M′, or L″ is a moiety comprising boron or a member of Group 14 of the Periodic Table of the Elements, and optionally also comprising nitrogen, phosphorus, sulfur or oxygen, said L″ having up to 20 non-hydrogen atoms; Z is a moiety comprising boron or a member of Group 14 of the Periodic Table of the Elements, and also comprising nitrogen, phosphorus, sulfur or oxygen, said Z having up to 20 non-hydrogen atoms; X, X′ and X″ are as defined in the specification; Q is a divalent anionic ligand group bound at one terminus to either Z or L and bound at the remaining terminus to either L′ or L″, said Q having up to 20 nonhydrogen atoms; and x, x′, and x″ are independently integers from 0 to 3; and 2) one or more activating cocatalysts; wherein activating cocatalyst component 2) causes both metal centers, M and M′, of the one or more bimetallic metal complexes 1) to be catalytically active for the polymerization of addition polymerizable monomers.

High temperature polyethylene solution polymerization process

Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when employed as catalyst components for the polymerization of ethylene/ α-olefin copolymers, produce products having reduced I10/I2 values.

Polycyclic, fused heteroring compounds, metal complexes and polymerization process

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Catalyst Composition Comprising Shuttling Agent for Ethylene Multi-Block Copolymer Formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Gruppe 4 metallkomplekser inneholdende 4-aryl-substituerte trisykliske indenyl derivater

Gruppe 4 metall innskrenkede geometrikomplekser omfattende trisykliske 4-aryl-substituerte indenylligander, spesielt 1,5,6,7-tetrahydro-4-aryl-s-indacen-1-yl ligander, katalytiske derivater derav, prosesser for å fremstille de samme og anvendelse av disse som komponenter i olefin polymerisasjonskatalysatorer er beskrevet.

Substituted indenyl metal complexes and polymerization process

Metal complexes comprising a substituted inden-1-yl group or hydrogenated or partially hydrogenated derivative thereof, said group being substituted at least at the 2-position thereof with a C 4-30 ligand group containing a secondary or tertiary substitution pattern at the β-carbon thereof, polymerization catalysts; and olefin polymerization processes using the same are disclosed.

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Substituted indenyl metal complexes and polymerization process

Metal complexes comprising a substituted inden-1-y1 group or hydrogenated or partially hydrogenated derivative thereof, said group being substituted at least at the 2-position thereof with a C4-30 ligand group containing a secondary or tertiary substitution pattern at the β-carbon thereof, polymerization catalysts; and olefin polymerization processes using the same are disclosed.

Polymerization process of polyethylene in high temperature solution

Un procedimiento para la polimerización de etileno y de una o más α-olefinas que tienen de 3 a 30 átomos de carbono o diolefinas, en condiciones de polimerización en disolución, en continuo, para preparar un polímero de alto peso molecular, comprendiendo dicho procedimiento llevar a cabo la polimerización en presencia de una composición catalizadora que comprende un complejo de zirconio o hafnio de un ariloxiéter polivalente caracterizado por que dicho complejo corresponde a la fórmula:**Fórmula** donde M3 es Hf o Zr; Ar4, de manera independiente en cada una de sus apariciones, corresponde a la fórmula:**Fórmula** donde cada grupo Ar4 está sustituido con al menos un grupo estéricamente voluminoso, en la que cada R11, de manera independiente en cada una de sus apariciones, es un grupo hidrógeno, halógeno, hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o di(hidrocarbil)amino de hasta un máximo de 50 átomos sin contar los hidrógenos, o bien dos grupos R11 juntos son parte de un anillo unido al grupo arilo en dos posiciones, con la condición de que, en al menos una de sus apariciones, el grupo R11 o el derivado divalente de dos de tales grupos R11 sea un grupo estéricamente voluminoso y/o adolezca de coplanaridad con el grupo arilo al cual está unido; T4, de manera independiente en cada una de sus apariciones, es un grupo alquileno, cicloalquileno o cicloalquenileno que tiene de 2 a 20 átomos de carbono, o bien es un grupo derivado de ellos sustituido de manera inerte; R21, de manera independiente en cada una de sus apariciones, es un hidrógeno, un halógeno, o un grupo hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o di(hicrocarbil)amino de hasta un máximo de 50 átomos sin contar los de hidrógeno; R3, de manera independiente en cada una de sus apariciones es un hidrógeno, un halógeno, un grupo hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o amino de hasta un máximo de 50 átomos sin ...

Proceso de polimerizacion en solucion de polietileno a alta temperatura.

Los complejos de metales de los ariloxi-éteres polivalentes apropiadamente sustituidos con sustituyentes estéricamente voluminosos poseen una mejor solubilidad en hidrocarburos alifáticos y cicloalifáticos, y/o cuando se emplean como componentes catalizadores para la polimerización de copolímeros de etileno/a-olefina, producen productos que tienen valores reducidos de I10/I2-.

High temperature polyethylene solution polymerization process

High temperature polyethylene solution polymerization process

Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when employed as catalyst components for the polymerization of ethylene/ .alpha.-olefin copolymers, produce products having reduced I10/I2 values.

High temperature polyethylene solution polymerization process

Polymerization process of polyethylene in high temperature solution

Un complejo metálico de un ariloxiéter polivalente que corresponde a la fórmula:**Fórmula** donde M3 es Hf o Zr, preferiblemente Zr; Ar4 corresponde a la fórmula:**Fórmula** en la que cada R11, de manera independiente en cada caso, es un hidrógeno, halógeno, hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o di(hidrocarbil)amino de hasta un máximo de 50 átomos sin contar el hidrógeno, o bien dos grupos R11 juntos son parte de un anillo unido al grupo arilo en dos posiciones, con la condición de que, en la menos un caso, el grupo R11 o el derivado divalente de dos de tales grupos R11 se seleccione independientemente del grupo que consiste en grupos alquil-, cicloalquil-, trihidrocarbilsilil-, tri(hidrocarbil)sililhidrocarbil- y tri(hidrocarbil)fenil- terciarios que tienen de 3 a 20 átomos que no son de hidrógeno o di(hidrocarbil)amino de hasta 50 átomos sin contar el hidrógeno y/o adolezca de coplanaridad con el grupo arilo al cual está unido; T4, de manera independiente en cada caso, es un grupo alquileno, cicloalquileno o cicloalquenileno que tiene de 2 a 20 átomos de carbono, o bien es un grupo derivado de ellos sustituido de manera inerte; R21, de manera independiente en cada caso, es un hidrógeno, un halógeno, un grupo hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o di(hidrocarbil)amino de hasta un máximo de 50 átomos sin contar el hidrógeno; R3, de manera independiente en cada caso es un hidrógeno, un halógeno, un grupo hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o amino de hasta un máximo de 50 átomos sin contar los de hidrógeno, o bien dos grupos R3 juntos en el mismo anillo arileno o un grupo R3 y un grupo R21 juntos en el mismo o en diferentes anillos arileno forman un grupo ligando divalente unido al grupo arileno en dos posiciones o se unen a dos anillos arileno diferentes, con la condición de que al menos dos grupos R3 situados sobre diferentes grupos arilenoxi se ...

High temperature polyethylene solution polymerization process

Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when emplayed as catalyst components for the polymerization of ethylene/α-olefin copolymers, produce products having reduced I 10 /I 2 values.

High temperature polyethylene solution polymerization process

Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when employed as catalyst components for the polymerization of ethylene/ α-olefin copolymers, produce products having reduced I10/I2 values.

High temperature polyethylene solution polymerization process

Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when emplayed as catalyst components for the polymerization of ethylene/α-olefin copolymers, produce products having reduced I 10 /I 2 values.

High temperature polyethylene solution polymerization process

Metal complexes of polyvalent aryloxyethers appropriately substituted with sterically bulky substituents possess enhanced solubility in aliphatic and cycloaliphatic hydrocarbons and/or when employed as catalyst components for the polymerization of ethylene/ α-olefin copolymers, produce products having reduced I10/I2 values.

Polycyclic, fused heteroring compounds, metal complexes and polymerization process

Metal complexes comprising a polycyclic, heteroatom containing fused ring compound comprising at least a cyclopentadienyl ring having fused thereto a 5-membered polyatomic ring containing one or more ring atoms selected from groups 15 or 16 of the Periodic Table of the Elements and lacking substituents forming 6-membered, aromatic fused rings; polymerization catalysts; and olefin polymerization processes using the same are disclosed.

Substituted indenyl metal complexes and polymerization process

Metal complexes comprising a substituted inden-1-y1 group or hydrogenated or partially hydrogenated derivative thereof, said group being substituted at least at the 2-position thereof with a C4-30 ligand group containing a secondary or tertiary substitution pattern at the β-carbon thereof, polymerization catalysts; and olefin polymerization processes using the same are disclosed.

Dinuclear group 4 metal boron or aluminum bridge containing ansa-complexes

Polycyclic, fused heteroring compounds, metal complexes and polymerization process

Metal complexes comprising a polycyclic, heteroatom containing fused ring compound comprising at least a cyclopentadienyl ring having fused thereto a 5-membered polyatomic ring containing one or more ring atoms selected from groups 15 or 16 of the Periodic Table of the Elements and lacking substituents forming 6-membered, aromatic fused rings; polymerization catalysts; and olefin polymerization processes using the same are disclosed.

Group 4 metal complexes containing 4-aryl-substituted, tricyclic indenyl derivatives

Group 4 metal constrained geometry complexes comprising tricyclic 4-aryl­substituted indenyl ligands, especially 1,5,6,7-tetrahydro-4-aryl-s-indacen-1-yl ligands, catalytic derivatives thereof, processes for preparing the same and their use as components of olefin polymerization catalysts are disclosed.

Catalyst composition comprising shuttling agent for ethylene multi- block copolymer formation

CATALYST COMPOSITION COMPRISING SHUTTLING AGENT FOR ETHYLENE MULTI-BLOCK COPOLYMER FORMATION A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

METALLIC COMPLEXES WITH REPLACED INDENILE AND POLYMERIZATION PROCEDURES.

Un compuesto metálico, que corresponde a la fórmula: CpM(Z)z(X)x(T)t (X0)x 0 (I), Cp es un grupo inden-1-ilo, o uno de sus derivados parcialmente hidrogenados, sustituido al menos en su posición 2; Mes un metal seleccionado de los Grupos 3-10, o de la serie de los lantánidos de la tabla periódica de los elementos; Z es un resto divalente de la fórmula -Z''Y- que une Cp y M, en la que, Y es -O-, -S-, -NR 5 -, -PR 5 -; -NR 5 2, o -PR 5 2; Z'' es un grupo SiR 6 2, un grupo CR 6 2, un grupo SiR 6 2SiR 6 2, un grupo CR 6 2CR 6 2, un grupo CR 6 =CR 6 , un grupo CR 6 2SiR 6 2, un grupo BR 6 , o un grupo GeR 6 2, enlazado en la posición 1 de Cp; R 5 , independientemente en cada caso, es un grupo hidrocarbilo, trihidrocarbilsililo, o trihidrocarbilsililhidrocarbilo, teniendo dicho R 5 hasta 20 átomos distintos de hidrógeno, y opcionalmente dos grupos R 5 o R 5 junto con Y forma un sistema de anillos; R 6 , independientemente en cada caso, es un átomo de hidrógeno, o un miembro seleccionado entre los grupos hidrocarbilo, hidrocarbiloxi, sililo, alquilo halogenado, arilo halogenado, -NR 5 2, y sus combinaciones, teniendo dicho R 6 hasta 30 átomos que no son hidrógeno, y opcionalmente, dos grupos R 6 forman un sistema de anillos; X es un átomo de hidrógeno o un grupo ligando aniónico monovalente que tiene hasta 60 átomos sin contar el átomo de hidrógeno; T, independientemente en cada caso, es un compuesto ligante neutro que tiene hasta 20 átomos, diferentes del átomo de hidrógeno, y opcionalmente T y X están enlazados conjuntamente; X'' es un grupo ligando aniónico divalente que tiene hasta 60 átomos distintos del átomo de hidrógeno; z es 0, 1 ó 2; x es 0, 1, 2, ó 3; t es un número de 0 a 2, y x'' es 0 ó 1, caracterizado porque el sustituyente en la posición 2 es un grupo alquilo de C4 - 30, aralquilo o trihidrocarbilsililhidrocarbilo que contiene 2 ó 3 sustituyentes diferentes del átomo de hidrógeno en al menos una de sus posiciones Beta y que ...

CATALYTIC COMPOSITION THAT INCLUDES TRANSFER AGENT FOR THE FORMATION OF COPOLYMER OF MULTIPLE ETHYLENE BLOCKS.

Un interpolímero multibloques de etileno que se puede obtener poniendo en contacto etileno y uno o más monómeros polimerizables, por adición en condiciones de polimerización por adición, con una composición que comprende la mezcla o producto de reacción que resulta de combinar: (A) un primer catalizador de polimerización de olefinas, (B) un segundo catalizador de polimerización de olefinas capaz de preparar polímeros que se diferencian en las propiedades físicas o químicas del polímero preparado con el catalizador (A) en condiciones de polimerización equivalentes, y (C) un agente de transferencia de cadena capaz de transferir fragmentos del polímero en dichas condiciones de polimerización entre los sitios catalíticos activos de los catalizadores (A) y (B); conteniendo dicho interpolímero dos o más segmentos o bloques que se diferencian en el contenido de comonómero, cristalinidad, densidad, punto de fusión o temperatura de transición vítrea y teniendo un punto de fusión cristalino (Tm) único medido por DSC. An ethylene multiblock interpolymer which can be obtained by contacting ethylene and one or more polymerizable monomers, by addition under conditions of polymerization by addition, with a composition comprising the mixture or reaction product resulting from combining: (A) a first olefin polymerization catalyst, (B) a second olefin polymerization catalyst capable of preparing polymers that differ in physical or chemical properties of the polymer prepared with catalyst (A) under equivalent polymerization conditions, and (C) an agent chain transfer capable of transferring fragments of the polymer under said polymerization conditions between the active catalytic sites of the catalysts (A) and (B); said interpolymer containing two or more segments or blocks that differ in the content of comonomer, crystallinity, density, melting point or glass transition temperature and having a single crystalline melting point (Tm) measured by DSC.

包含用於形成乙烯多嵌段共聚物之穿梭劑的催化劑組成物

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.

Group 4 metal complexes containing 4-aryl-substituted, tricyclic indenyl derivatives

Group 4 metal constrained geometry complexes comprising tricyclic 4-arylsubstituted indenyl ligands, especially 1,5,6,7-tetrahydro-4-aryl-s-indacen-1-yl ligands, catalytic derivatives thereof, processes for preparing the same and their use as components of olefin polymerization catalysts are disclosed.

Metallkomplexe mit substituierten indenylliganden und polymerisationsverfahren

Substituted indenyl metal complexes and polymerization process

Metal complexes comprising a substituted inden-1-y1 group or hydrogenated or partially hydrogenated derivative thereof, said group being substituted at least at the 2-position thereof with a C4-30 ligand group containing a secondary or tertiary substitution pattern at the β-carbon thereof, polymerization catalysts; and olefin polymerization processes using the same are disclosed.

Polycyclic, fused heteroring compounds, metal complexes and polymerization process

Polycyclic, fused heteroring compounds, metal complexes and polymerization process

Metal complexes comprising a polycyclic, heteroatom containing fused ring compound comprising at least a cyclopentadienyl ring having fused thereto a 5-membered polyatomic ring containing one or more ring atoms selected from groups 15 or 16 of the Periodic Table of the Elements and lacking substituents forming 6-membered, aromatic fused rings; polymerization catalysts; and olefin polymerization processes using the same are disclosed.

Substituted indenyl metal complexes and polymerization process

Substituted indenyl metal complexes and polymerization process

Metal complexes comprising a substituted inden-1-y1 group or hydrogenated or partially hydrogenated derivative thereof, said group being substituted at least at the 2-position thereof with a C4-30 ligand group containing a secondary or tertiary substitution pattern at the .beta.-carbon thereof, polymerization catalysts; and olefin polymerization processes using the same are disclosed.

Group 4 metal complexes containing 4-aryl-substituted, tricyclic indenyl derivatives

Group 4 metal complexes containing 4-aryl-substituted, tricyclic indenyl derivatives

Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation

Group 4 metal complexes containing 4-aryl-substituted, tricyclic indenyl derivatives

Group 4 metal constrained geometry complexes comprising tricyclic 4- aryl~substituted indenyl ligands, especially 1,5,6,7-tetrahydro-4-aryl-s- indacen-1-yl ligands, catalytic derivatives thereof, processes for preparing the same and their use as components of olefin polymerization catalysts are disclosed.