ПОЛИЭТИЛЕНОВЫЕ КОМПОЗИЦИИ, ОБЛАДАЮЩИЕ УЛУЧШЕННЫМИ СВОЙСТВАМИ

Полиэтиленовая композиция включает этилен и бутен и имеет индекс длинноцепочечного разветвления (g'cp.) от 0,5 до 0,9; показатель текучести расплава (ПТР) более (49,011×ИР(-0,4304)), где ИР - индекс расплава; и отношение средневесовой молекулярной массы к среднечисленной молекулярной массе Mw/Mn менее или равное 4,6. Способ полимеризации олефинов в газовой фазе с получением указанной композиции осуществляют в присутствии каталитической системы, содержащей ахиральное циклическое мостиковое металлоценовое каталитическое соединение и активатор - алюмоксан, модифицированный алюмоксан или их смеси. Пленки, включающие указанную композицию, обладают хорошими оптическими и усадочными свойствами. В частности пленка может иметь одну или большее число следующих характеристик: напряжение пластической усадки в продольном направлении (MD)≤0,08 МПа; поверхность усадки Retromat >60%; прозрачность >60%; относительное внутреннее помутнение ≤1,0%/мил (т.е. %/0,001 дюйма); мутность <20%. Полиэтиленовая композиция ...

КАТАЛИЗАТОР ДЛЯ ПОЛИМЕРИЗАЦИИ ОЛЕФИНОВ И СПОСОБ ЕГО ПОЛУЧЕНИЯ

... 1. Способ получения твердого титанового каталитического компонента для применения в качестве прокатализатора для каталитической системы Циглера-Натта, причем указанный способ в основном включает:(a) контактирование соединения диалкилмагния, представленного R′R″Mg, с солюбилизирующим магний соединением с образованием реакционной смеси, где каждый из элементов R′ и R″ представляет собой углеводородную группу, имеющую С-Сатомов углерода, отличающийся тем, что контактирование соединения диалкилмагния с солюбилизирующим магний соединением приводит к образованию первой реакционной смеси, содержащей алкоксид магния в реакционной смеси;(b) добавление титанового соединения, представленного Ti(OR′′′)X, где X представляет собой атом галогена; R′′′ - углеводородную группу и p - целое число, меньшее или равное 4, для преобразования алкоксида магния в реакционной смеси с образованием второй реакционной смеси;(c) добавление по меньшей мере одного внутреннего донора электронов либо после этапа (a), либо ...

КАТАЛИТИЧЕСКИЕ КОМПОЗИЦИИ ДЛЯ СЕЛЕКТИВНОЙ ДИМЕРИЗАЦИИ ЭТИЛЕНА

Изобретение относится к каталитической композиции для димеризации этилена, включающей: титанат формулы Ti(OR), где R являются одинаковыми или разными и каждый R обозначает углеводородный остаток, где углеводородный остаток представляет собой алкильную группу или арильную группу; каталитическую добавку, причем каталитическая добавка представляет собой простой дибутиловый эфир, ароматический простой эфир формулы ROR, где Rи Rявляются одинаковыми или разными и каждый из них является замещенной или незамещенной Cароматической группой, или их комбинацию; модификатор катализатора, где модификатор катализатора представляет собой аминный модификатор катализатора или дополнительный модификатор катализатора на основе простого эфира, который отличается от дибутилового простого эфира и ароматического простого эфира, где каталитическая добавка и дополнительный модификатор катализатора на основе простого эфира содержатся в мольном отношении от примерно 1:5 до примерно 5:1, и алюминийорганическое соединение ...

ПОЛИЭТИЛЕНОВЫЕ КОМПОЗИЦИИ, ОБЛАДАЮЩИЕ УЛУЧШЕННЫМИ СВОЙСТВАМИ

... 1. Полиэтиленовая композиция, включающая мономеры этилена и бутена, имеющая: индекс длинноцепочечного разветвления 0,5≤g'cp.≤0,9; ! показатель текучести расплава (ПТР)>(49,011×ИР(-0,4304)), где ИР - индекс расплава; и отношение средневесовой молекулярной массы к среднечисленной молекулярной массе Mw/Mn≤4,6. ! 2. Полиэтиленовая композиция по п.1, имеющая 0,55≤g'cp.≤0,85. ! 3. Полиэтиленовая композиция по п.1, имеющая ПТР>(57,18×ИР(-0,4304)). ! 4. Полиэтиленовая композиция по п.1, имеющая примерно 2,0≤Mw/Mn ≤ примерно 4,2. ! 5. Полиэтиленовая композиция по одному из пп.1 и 2, имеющая 0,75≤g' при молекулярной массе 100000≤0,95. ! 6. Полиэтиленовая композиция по одному из пп.1 и 2, имеющая 0,5≤g' при молекулярной массе 500000≤0,85. ! 7. Полиэтиленовая композиция по п.1, имеющая величину Т75-Т25, равную или ниже примерно 25, где Т25 - температура, при которой получено 25% элюированного полимера, а Т75 - температура, при которой получено 75% элюированного полимера. ! 8. Полиэтиленовая композиция ...

MONOCYCLOPENTADIENYLKOMPLEXE

Metallacarboranes

The invention provides a polynuclear compound comprising two or more metal-hapto-3-capped nidocarborane groups. Also provided is the use of such a compound as a catalyst in a chemical reaction such as a hydrogenation or oxidation reaction.

Chemical reactions

MONOCYCLOPENTADIENYLKOMPLEXE

HALOGENALUMINOXANZUSAMMENSETZUNGEN, THEIR PRODUCTION AND THEIR USE WITH THE CATALYSIS

CATALYST COMPLEX AND PROCEDURE FOR THE PRODUCTION OF POLYOLEFINS WITH MULTIMODALEM MOLECULAR WEIGHT

PROCEDURES FOR THE PRODUCTION OF GROUP 14 VERB-MOVED BISCYCLOPENTADIENYL LIGANDS

Copolymers of ethylene and selected acrylate esters

ZIEGLER-NATTA CATALYST FOR POLYOLEFINS

A Ziegler-Natta type catalyst component can be produced by a process comprising contacting a magnesium dialkoxide compound with a halogenating agent to form a reaction product A, and contacting reaction product A with a first, second and third halogenating/titanating agents. Catalyst components, catalysts, catalyst systems, polyolefin, products made therewith, and methods of forming each are disclosed. The reaction products can be washed with a hydrocarbon solvent to reduce titanium species [Ti] content to less than about 100 mmol/L.

HALOALUMINOXANE COMPOSITIONS, THEIR PREPARATION, AND THEIR USE IN CATALYSIS

Novel haloaluminoxane compositions have been formed. The halogen is fluorine, chlorine, and/or bromine, and the amount of halogen atoms present in said composition is in the range of about 0.5 mole % to about 15 mole % relative to aluminum atoms.

USE OF AN IONIC COMPOUND, DERIVED FROM MALONONITRILE AS A PHOTOINITIATOR, RADICAL INITIATORS OR CATALYSER IN POLYMERIZATION PROCESSES OR AS A BASIC DYE

La présente invention concerne l'utilisation de composés ioniques dérivés du malononitrile comme photoinitiateur source d'acide catalyseur dans un procédé de polymérisation ou de réticulation de monomères ou de prépolymères capables de réagir par voie cationique, ou comme catalyseur dans un procédé pour la modification de polymères. L'invention vise également l'utilisation de composés ioniques dérivés du malononitrile dans les colorants cationiques.

NOVEL IONIC MATERIALS

Anions délocalisés utiles, sous forme de sels M+X-, pour l'obtention de solutions électrolytiques obtenues lorsque ces sels sont ajoutés à un soluté protique ou aprotique.

SUPPORTED LEWIS ACID CATALYSTS FOR HYDROCARBON CONVERSION REACTIONS

A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support having immobilized thereon at least one relatively strong Lewis acid and at least one relatively weak Lewis acid.

SURFACE MODIFIED CARBONATE MATERIALS

Greffage d'un polymère à la surface d'un matériau carboné comportant des fonctions carboxyles, amines et/ou hydroxyles à sa surface. On met ce matériau en suspension dans une solution comprenant le polymère à greffer, lequel comporte une fonction carboxyle, amine et/ou hydroxyle, la solution comprenant aussi un solvant du polymère. On effectue ensuite un traitement provoquant la déshydratation en une fonction carboxyle, d'une fonction amine et/ou hydroxyle et l'on greffe ainsi le polymère sur le matériau carboné par des liens esters ou amides. Utilisation dans la cathode ou l'anode d'un générateur électrochimique, dans un matériau polymère peu polaire, dans une encre, et comme dépôt conducteur sur un plastique flexible utilisé comme contact électrique, comme protection électromagnétique ou comme protection antistatique.

CATALYTIC COMPLEX AND THE METHOD OF OBTAINING POLYOLEFINS WITH THE MULTIMODAL MOLECULAR- MASS DISTRIBUTION

MANUFACTORING PROCESS Of a CATALYST OF ZIEGLER FOR OLEFIN POLYMERIZATION

MAGNESIUM DICHLORIDE-BASED ADDUCTS AND CATALYST COMPONENTS OBTAINED THEREFROM

Solid Lewis adducts comprising MgCl, a Lewis base (LB) belonging to ethers, esters, ketones, silanes or amines and an alcohol ROH, in which R is a C 1-C 15 hydrocarbon group optionally substituted with heteroatoms containing groups, which compounds are in molar ratios to each other defined by the following formula MgC1(ROH)(LB) in which m ranges from 0.05 to 6, n ranges from 0.08 to 6. These adducts allow to prepare catalysts having a good morphological stability and high polymerization activities.22 mn © KIPO & WIPO 2007 ...

METHODS TO PREPARE A POLYMERIZATION CATALYSER

CATALYTIC COMPOSITIONS AND PROCESSES FOR OLIGOMERIZAÇÃO AND POLYMERIZATION OF OLEFINAS

SURFACE MODIFIED CARBONATE MATERIALS

Disclosed is a method for grafting a polymer onto the surface of a carbonate material with carboxyl, amine, and/or hydroxyl functions on its surface. Said material is placed in suspension in a solution including the polymer to be grafted, which has a carboxyl, amine, and/or hydroxyl function, said solution also being comprised of a polymer solvent. A process which stimulates the dehydration into a carboxyl function of an amine and/or hydroxyl function is then performed, and the polymer is grafted onto the carbonate material using ester or amide links. The invention can be used in the cathode or naode of an electrochemical generator, in polymer materials with low polar properties, in ink, and also as a conductive coating on flexible plastic used as an electrical contact, as electromagnetic shielding, or as static protection.

MALONONITRILE-DERIVATIVE ANION SALTS, AND THEIR USES AS IONIC CONDUCTING MATERIALS

The invention is related to ionic compounds, derivatives of malononitrile, in which the anionic load has been displaced. An ionic compound disclosed by the invention includes an anionic portion combined with at least one cationic portion M+m in sufficient numbers to ensure overall electronic neutrality; the compound is further comprised of M as a hydroxonium, a nitrosonium NO+, an ammonium -NH4+, a metallic cation with the valence m, an organic cation with the valence m, or an organometallic cation with the valence m. The anionic portion corresponds to one of the formulas RD-Y-C(CN)2- or Z-C(CN)2-, wherein Z is an electroattractive group, RD is an organic radical, and Y is a carbonyl, a thiocarbonyl, a sulphonyl, a sulphinyl, or a phosphonyl. The compounds can be used notably for ionic conducting materials, electronic conducting materials, colorants, and the catalysis of various chemical reactions.

Perfluorinated amide salts and their uses as ionic conducting materials

The invention concerns ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention is comprised of an amide or one of its salts, including an anionic portion combined with at least one cationic portion M<+m >in sufficient numbers to ensure overall electronic neutrality; is the compound is further comprised of M as a hydroxonium, a nitrosonium NO<+>, an ammonium -NH4+, a metallic cation with the valence m, an organic cation with the valence m, or an organometallic cation with the valence m. The anionic portion matches the formula RF-SOx-N-Z, wherein RF is a perfluorinated group, x is 1 or 2, and Z is an electroattractive substituent. The compounds can be used notably for ionic conducting materials, electronic conducting materials, colorants, and the catalysis of various chemical reactions.

Dual metallocene catalyst copolymer compositions

Processes are provided which include copolymerization using two different metallocene catalysts, one capable of producing high Mooney-viscosity polymers and one suitable for producing lower Mooney-viscosity polymers having at least a portion of vinyl terminations. The two catalysts may be used together in polymerization to produce copolymer compositions of particularly well-tuned properties. For instance, polymerizations are contemplated to produce high-Mooney metallocene polymers that exhibit excellent processability and elasticity, notwithstanding their high Mooney viscosity. Other polymerizations are also contemplated in which lower-Mooney metallocene polymers are produced, which also exhibit excellent processability and elasticity, while furthermore having excellent cure properties suitable in curable elastomer compound applications. Many of the contemplated polymerizations include controlling the ratio of the two metallocene catalysts used in the polymerization so as to obtain the ...

PREPARATION METHOD OF POLYMERISATION CATALYST FOR PRODUCTION OF POLYETHYLENE WITH BROAD MOLECULAR WEIGHT DISTRIBUTION

КАТАЛИТИЧЕСКИЕ КОМПОЗИЦИИ ДЛЯ СЕЛЕКТИВНОЙ ДИМЕРИЗАЦИИ И ПОЛИМЕРИЗАЦИИ ЭТИЛЕНА

Изобретение относится к каталитической композиции для полимеризации алкена, включающей: титанат формулы Ti(OR), где все R одинаковые или разные и каждый R обозначает углеводородный остаток, где углеводородный остаток представляет собой алкильную группу или арильную группу; модификатор катализатора на основе простого эфира и алюминоксан, при этом алюминоксан представляет собой метилалюминоксан, модифицированный метилалюминоксан или комбинацию, их содержащую, и дополнительное алюминийорганическое соединение, которое отличается от метилалюминоксана и от модифицированного метилалюминоксана, где модифицированный метилалюминоксан представляет собой сополимер, содержащий повторяющиеся звенья MeAlO и повторяющиеся звенья RAlO, где Rобозначает Суглеводородный остаток. Также изобретение относится к способу получения полимера. Используемый катализатор обладает улучшенной жизнеспособностью и временем инициирования. 2 н. и 12 з.п. ф-лы, 3 пр., 3 табл., 2 ил.

АМИДИНАТНЫЕ И ГУАНИДИНАТНЫЕ КОМПЛЕКСНЫЕ СОЕДИНЕНИЯ, ИХ ПРИМЕНЕНИЕ В КАЧЕСТВЕ КАТАЛИЗАТОРОВ ПОЛИМЕРИЗАЦИИ С ПЕРЕДАЧЕЙ ЦЕПИ И ДЛИННОЦЕПОЧЕЧНЫЕ СПИРТЫ, ПОЛУЧЕННЫЕ ТАКИМ СПОСОБОМ

... 1. Композиция катализатора, содержащая:а) комплексное соединение металла в качестве катализатора, в котором металлом является Ti, Zr или Hf, содержащее один лиганд на атом металла, со следующей формулой:причем лиганд связан с атомом металла,где Z1, Z2 и Z3 независимо являются углеводородом или гетероатомом, содержащим углеводородные радикалы, причем гетероатом, если он содержится в Z1 или Z3, не находится непосредственно рядом с атомом N, и Z1, Z2 и Z3 независимо друг от друга необязательно связаны друг с другом, иб) органоалюминиевое соединение,причем атомное отношение катализатора к сокатализатору лежит в диапазоне от 1:2000 до 1:1000000 в пересчете на отношение суммы всех атомов Ti, Zr и Hf к сумме всех атомов Al и Zn в композиции,причем органоалюминиевое соединение является С1-С12 тригидрокарбилалюминием или смесью С1-С12 тригидрокарбилалюминия с метилалюминооксаном,и Формула I является гуанидатом, где Z2 является NR1R2, где R1 и R2 независимо друг от друга являются С1-С40 углеводородными ...

Metallacarboranes

CATALYST COMPOSITION AND USE OF IT

TRANSITION METAL CONNECTIONS FOR THE OLEFINPOLYMERISATION AND - OLIGOMERISATION

THROUGH SILYLHALOGENID CYCLOPENTADIENYLKOMPLEXE OF THE GROUP SUBSTITUTED 6

PROCEDURE FOR THE SIMULTANEOUS DIMERIZATION OF ETHYLEN AND POLYMERIZATION OF ETHYLEN AND THE DIMER.

HARDENER COMBINATION FOR KATIONISCH POLYMERIZE-CASH MATERIALS.

TRANSITION METAL COMPLEXES

... ²²²A transition metal complex which is a bis-arylimine pyridine MXn complex, ²comprising a bis-arylimine pyridine ligand having the formula (I), wherein R1-²R5, R7-R9, R12 and R14 are each, independently, hydrogen, optionally ²substituted hydrocarbyl, an inert functional group, or any two of R1-R3 and R7-²R9 vicinal to one another taken together may form a ring, and R6 is hydrogen, ²optionally substituted hydrocarbyl, an inert functional group, or taken ²together with R7 or R4 to form a ring, R10 is hydrogen, optionally substituted ²hydrocarbyl, an inert functional group, or taken together with R9 or R4 to ²form a ring, R11 is hydrogen, optionally substituted hydrocarbyl, an inert ²functional group, or taken together with R12 or R5 to form a ring, R15 is ²hydrogen, optionally substituted hydrocarbyl, an inert functional group, or ²taken together with R14 or R5 to form a ring, provided that R13 and at least ²one of R12 and R14 are independently selected from optionally substituted C1-²C30 ...

METHOD OF PREPARING GROUP 14 BRIDGED BISCYCLOPENTADIENYL LIGANDS

The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyldisulfonates. Even more particularly, the present invention describes Group IV metallocenes containing diarylsilyl bridged bis- cyclopentadienyl ligands prepared from contacting a diarylsilyldisulfonate with an organometallic indenyl reagent.

HIGH ACTIVITY CATALYST FOR HIGH MOLECULAR WEIGHT POLYOLEFINS

By controlling the hold up times and temperatures for mixing the components of aluminum, titanium and magnesium based catalyst for solution polymerization it is possible to prepare a catalyst having a high activity, which prepares high molecular weight polyolefins. Generally, catalyst loses activity and produces lower molecular weight polymer at higher temperatures. The catalyst of the present invention permits comparable polymers to be produced at higher reaction temperatures.

POLYMERIZATION CATALYST SYSTEM USING DI-SEC-BUTYLDIMETHOXYSILANE FOR PREPARATION OF POLYPROPYLENE

OFF-LINE FILTER FREE ZIEGLER-NATTA CATALYST PREPARATION

The various embodiments of the invention provide, a magnesium titanium polymerization procatalyst, and methods for making and using the same.

USE OF AN IONIC COMPOUND, DERIVED FROM MALONONITRILE AS A PHOTOINITIATOR, RADICAL INITIATORS OR CATALYSER IN POLYMERIZATION PROCESSES OR AS A BASIC DYE

... ² La présente invention concerne l'utilisation de composés ²ioniques dérivés du malononitrile comme photoinitiateur source ²d'acide catalyseur dans un procédé de polymérisation ou de ²réticulation de monomères ou de prépolymères capables de réagir ²par voie cationique, ou comme catalyseur dans un procédé pour ²la modification de polymères. L'invention vise également ²l'utilisation de composés ioniques dérivés du malononitrile ²dans les colorants cationiques.² ...

USE OF AN IONIC COMPOUND, DERIVED FROM MALONONITRILE AS A PHOTOINITIATOR, RADICAL INITIATORS OR CATALYSER IN POLYMERIZATION PROCESSES OR AS A BASIC DYE

La présente invention concerne l'utilisation de composés ioniques dérivés du malononitrile comme photoinitiateur source d'acide catalyseur dans un procédé de polymérisation ou de réticulation de monomères ou de prépolymères capables de réagir par voie cationique, ou comme catalyseur dans un procédé pour la modification de polymères. L'invention vise également l'utilisation de composés ioniques dérivés du malononitrile dans les colorants cationiques.

КАТАЛИТИЧЕСКИЙ КОМПЛЕКС И СПОСОБ ПОЛУЧЕНИЯ ПОЛИОЛЕФИНОВ С МУЛЬТИМОДАЛЬНЫМ МОЛЕКУЛЯРНО-МАССОВЫМ РАСПРЕДЕЛЕНИЕМ

В изобретении предложен трехъядерный каталитический комплекс, содержащий три активных металлических центра, два феноксииминных соединения и два замещенных циклопентадиенильных, инденильных или флуоренильных производных, причём каждое феноксииминное соединение связано с циклопентадиенильным, инденильным или флуоренильным производным, образуя лигандную структуру, циклопентадиенильное, инденильное или флуоренильное производное координировано с одним из металлических центров, а феноксииминное соединение координировано с активным металлическим центром, отличным от металлического центра, с которым координировано циклопентадиенильное, инденильное или флуоренильное производное; где феноксииминное соединение имеет формулу (I), где R1 представляет собой алкил, C3-C6-циклоалкил или фенил; R2 представляет собой водород или галоген и R3 представляет собой C3-C6-циклоалкил или фенил; способ получения трехъядерной каталитической композиции, включающий стадии связывания замещенного феноксиимина с замещенным ...

Novel compound, catalyst composition comprising same, and method for preparing a cyclic olefin polymer using same

Polymerisation/alkylation catalyst - by reacting alkylaluminium halide with water or hydrogen sulphide

ADUCTOS OF LEWIS THAT INCLUDE/UNDERSTAND DICLORURO OF MAGNESIUM, AN ALCOHOL AND ANOTHER BASE DE LEWIS IN SPECIFIC AMOUNTS CATALYTIC AND PROCEDURE OF POLYMERISATION OF OLEFINS

Aductos de Lewis sólidos que comprenden MgCl2, una base de Lewis (LB) que pertenece a éteres, ésteres, cetonas, silanos o aminas y un alcohol ROH, donde R es un grupo hidrocarburo C1-15 opcionalmente sustituido por grupos que contienen heteroátomos, cuyos compuestos están en relaciones molares entre sí definidas por la siguiente fórmula MgCl2(ROH)m(LB)n, donde m varía entre 0,05 y 6, n varía entre 0,08 y 6. Estos aductos permiten preparar catalizadores con una buena estabilidad morfológica y altas actividades de polimerización.

METHOD OF PREPARATION OF LIGANTES OF BISCICLOPENTADIENILA IN BRIDGE OF GROUP 14

Transition metal complex compounds, olefin oligomerization catalysts including the compounds, and processes for producing olefin oligomers using the catalysts

BIDENTATE CATALYST FOR OLEFIN POLYMERIZATION, METHODS OF FORMING SUCH AND PRODUCTS THEREFROM

Bidentate catalyst systems and the methods or forming such are described herein. The catalyst systems generally are compounds having the general formula: where R, R1, R2 and R3 are optional and independently selected from hydrogen, C1 to C20 alkyl groups or C6 to C20 aryl groups, A' and A" are independently selected from coordination groups, M is a Group 4 or 5 transition metal, X is selected from halogens, alkyl groups, aromatic groups or combinations thereof and n is less than 4.

CATALYST COMPOSITION

This invention relates to transition metal catalyst compounds represented by the formula: LMX2 wherein M is a Group 7 to 11 metal, L is a tridentate or tetradentate neutrally charged ligand that is bonded to M by three or four nitrogen atoms, and at least one terminal nitrogen atom is part of a pyridinyl ring, a different terminal nitrogen atom is substituted with one C3-C50 hydrocarbyl, and one hydrogen atom or two hydrocarbyls; wherein at least one hydrocarbyl is a C3-C5,) hydrocarbyl, and the central nitrogen atom is bonded to three different carbon atoms or two different carbon atoms, and one hydrogen atom; X is independently a monoanionic ligand or both X are joined together to form a bidentate dianionic ligand.

Alkylation and catalyst regenerative process

A process for the regeneration of a deactivated zeolite beta catalyst such as rare earth promoted zeolite beta catalyst deactivated in the course of an aromatic alkylation reaction. A zeolite beta conversion catalyst deactivated with the deposition of coke is heated to a temperature in excess of 300° C. in an oxygen-free environment. An oxidative regeneration gas is supplied to the catalyst bed with oxidation of a portion of a relatively porous coke component to produce an exotherm moving through the catalyst bed. At least one of the temperature and oxygen content of the gas is progressively increased to oxidize a porous component of the coke. Regeneration gas is supplied having at least one of an increased oxygen content or increased temperature to oxidize a less porous refractory component of the coke. The regeneration process is completed by passing an inert gas through the catalyst bed at a reduced temperature.

Catalyst composition and olefin polymerization using same

Novel metal complexes, particularly chromium complexes, which contain at least one tridentate ligand are disclosed and prepared. Olefins, particularly ethylene, can be reacted to form butene and/or other homo- or co-oligomers and/or polymers with high alpha-olefin concentrations by contacting a metal catalyst which contains a transition metal, particularly chromium, complexes having per metal atom at least one tridentate ligand with N, O, or N and O coordinating sites.

Oligomerization of ethylene

Ethylene is oligomerized with certain catalysts based on iron and cobalt complexes of 2,6-pyridinecarboxaldehydebis(imine) and 2,6-diacylpyridine-bis(imine) tridentate ligands.

Tactic polymer polymerization process using chiral catalysts

A process for forming tactic polymers employing at least one olefin polymerization catalyst comprising a non-racemic mixture of the R- and S-enantiomers of a metal complex containing at least one asymmetrically substituted (chiral) carbon atom, and a chain shuttling agent, a polar aprotic organic compound, or both a chain shuttling agent and a polar aprotic organic compound.

FLUORINATED ALKOXY-IMINO CATALYST COMPONENTS

CYCLIC ORGANOSILICON COMPOUNDS AS ELECTRON DONORS FOR POLYOLEFIN CATALYSTS

PREPARATION METHOD OF SOLID TITANIUM CATALYST FOR OLEFIN POLYMERIZATION

METHOD FOR MAKING PARTIALLY DRIED READILY DISPERSIBLE OLEFIN POLYMERIZATION PROCATALYST

Cyclopentadienyl complex of Group 6 for use in making a catalyst system for olefin polymerization has cyclopentadienyl system(s) being substituted by silyl group(s) that bears halogen substituent(s)

A cyclopentadienyl complex of Group 6 has cyclopentadienyl system(s) that is substituted by silyl group(s) that bears halogen substituent(s). Independent claims are also included for: (A) a process for preparing the inventive cyclopentadienyl complexes of group 6, comprising reacting a cyclopentadienyl complex of group 6 with boron trihalide; (B) a catalyst system for olefin polymerization, comprising the inventive cyclopentadienyl complex of group, optionally an organic or inorganic support, optionally activating compounds, further catalysts suitable for olefin polymerization, and optionally metal compounds containing metals of group 1, 2 or 13 of the Periodic Table; and (C) a process for preparing polyolefins, comprising polymerization or copolymerization of olefins in the presence of the catalyst system.

Catalysts

SUPPORTED ZIEGLER POLYMERIZATION CATALYST AND COMPONENTS THEREOF

IMPACTTOUGH PROPYLENE COPOLYMERS

TRANSITION METAL COMPLEXES

MONOCYCLOPENTADIENYLKOMPLEXE

STABLE, LIQUID ONES CONCENTRATED RARE RD OF CARBOXYLATES

POLYMERIZATION CATALYST SYSTEM WITH DI-SECBUTYLDIMETHOXYSILAN FOR THE PRODUCTION OF POLYPROPYLENE

ADDUCTS BASED ON MAGNESIUM DICHLORID AND THEREBY MANUFACTURED COMPONENTS

FLUORIDATED ALKOXY IMINO CATALYST COMPONENTS

Supported lewis acid catalysts for hydrocarbon conversion reactions

PROCESS FOR SIMULTANEOUSLY DIMERIZING ETHYLENE AND COPOLYMERIZING ETHYLENE WITH THE DIMERIZED PRODUCT

A process for producing copolymers of ethylene and butene-1 wherein the butene-1 comonomer is generated in situ within the polymerization reactor by a separately catalyzed ethylene dimerization reaction.

ALKYLATION AND CATALYST REGENERATIVE PROCESS

A process for the regeneration of a deactivated zeolite beta catalyst such as rare earth promoted zeolite beta catalyst deactivated in the course of an aromatic alkylation reaction (4). A zeolite beta conversion catalyst deactivated with the deposition of coke is heated to a temperature in excess of 300~C in an oxygen-free environment (38). An oxidative regeneration gas is supplied to the catalyst bed with oxidation of a portion of a relatively porous coke component to produce an exotherm moving through the catalyst bed (4). At least one of the temperature and oxygen content of the gas is progressively increased to oxidize a porous component of the coke. Regeneration gas is supplied having at least one of an increased oxygen content or increased temperature to oxidize a less porous refractory component of the coke. The regeneration process (38 and 38a) is completed by passing an inert gas through the catalyst bed (4) at a reduced temperature.

DIIMINE LIGAND, METAL COMPOUND, OLEFIN POLYMERIZATION PROCESS

Catalyst compositions having Cs symmetry and processes utilizing Cs symmetric catalyst components for the polymerization of ethylenically unsaturated monomers to produce polymers, including copolymers or homopolymers. Monomers, which are polymerized or copolymerized include ethylene, C3+ alpha olefins and substituted vinyl compounds, such as styrene and vinyl chloride. The catalyst component is characterized by the formula (I) wherein M is a Group 4-11 transition metal, n is an integer of from 1-3, Q is halogen or a C1 - C2 alkyl group, PY is a pyridinyl group, R' and R" are each C1 - C20 hydrocarbyl group, A1 is a mononuclear aromatic group, and A2 is a polynuclear aromatic group, such as a terphenyl group. The catalyst component is used with an activating co-catalyst component such as an alumoxane. Also disclosed is a process for the preparation of a pyridinyl-linked bis-amino ligand suitable for use in forming the catalyst component.

PROCESSES FOR REDUCING THE LOSS OF CATALYST ACTIVITY OF A ZIEGLER-NATTA CATALYST

A process for reducing the loss of catalyst activity of a Ziegler-Natta catalyst is provided. The process includes preparing a Ziegler-Natta (ZN) catalyst by contacting the ZN catalyst with at least one aluminum alkyl compound to produce a reduced ZN catalyst and storing and/or transporting the reduced ZN catalyst for at least 20 days at a temperature of 25°C or less. The reduced ZN catalyst may be used for polymerizing polyolefin polymers.

MAGNESIUM DICHLORIDE-BASED ADDUCTS AND CATALYST COMPONENTS OBTAINED THEREFROM

Solid Lewis adducts comprising MgCl2, a Lewis base (LB) belonging to ethers, esters, ketones, silanes or amines and an alcohol ROH, in which R is a C 1-C 15 hydrocarbon group optionally substituted with heteroatoms containing groups, which compounds are in molar ratios to each other defined by the following formula MgC12(ROH) m(LB)n in which m ranges from 0.05 to 6, n ranges from 0.08 to 6. These adducts allow to prepare catalysts having a good morphological stability and high polymerization activities.

WEAKLY COORDINATING ANIONS CONTAINING POLYFLUOROALKOXIDE LIGANDS

A compound comprising a polyfluorinated anion and the use thereof is provided. Specifically, the present invention provides a compound comprising an anion which comprises a polyfluorinated alkoxide coordinated to a transition metal, or a Group III, IV or V element.

POLYDENTATE HETEROATOM LIGAND CONTAINING METAL COMPLEXES, CATALYSTS AND METHODS OF MAKING AND USING THE SAME

Metal complexes comprising certain polydentate heteroatom containing ligands, catalysts, and coordination polymerization processes employing the same are suitably employed to prepare polymers having desirable physical properties.

SUPPORTED BIS(HYDROXYARYLARYLOXY) CATALYSTS FOR MANUFACTURE OF POLYMERS

A supported, heterogeneous catalyst composition for use in polymerization of addition polymerizable monomers to form high molecular weight polymers, comprising: 1) a substrate comprising a solid, particulated, high surface area, surface modified, inorganic oxide compound, 2) a Group 4 metal complex of a bis(hydroxyarylaryloxy) ligand; and optionally 3) an activating cocatalyst for the metal complex. © KIPO & WIPO 2007 ...

INDUSTRIAL PREPARATION METHOD FOR ZIEGLER-NATTA CATALYST

NOVEL COMPOUND, CATALYST COMPOSITION COMPRISING SAME, AND METHOD FOR PREPARING A CYCLIC OLEFIN POLYMER USING SAME

The present invention relates to a novel metallocene compound, to a catalyst composition comprising same, and to an olefin polymer prepared using same. The metallocene compound and the catalyst compound comprising same according to the present invention can be implemented to prepare an olefin polymer, have superior copolymerizability, and can be formed into a high molecular weight olefin polymer. Particularly, a block copolymer with superior heat resistance can be obtained from the metallocene compound of the present invention, and an olefin polymer having a high melting point (Tm) can be obtained even when the comonomer content is increased in preparing the olefin polymer.

CATALYST SYSTEM AND PROCESS FOR OLEFIN POLYMERIZATION

... 5 The present application relates to a new catalyst system for the polymerization of olefins,comprising a new ionic activator having the formula: [RIR2R3AHr [Yr, wherein [Yr is a non-coordinating anion (NCA), A is nitrogen or phosphorus, RI and R2 are hydrocarbyl groups or heteroatom-containing hydrocarbyl groups and together form a first, 3- to 10-membered non-aromatic ring with A, wherein any number of adjacent ring members may optionally be members10 of at least one second, aromatic or aliphatic ring or aliphatic and/or aromatic ring system of two or more rings, wherein said at least one second ring or ring system is fused to said first ring, and wherein any atom of the first and/or at least one second ring or ring system is a carbon atom or a heteroatom and may be substituted independently by one or more substituents selected from the group consisting of a hydrogen atom, halogen atom, CI to C10 alkyl, C5 .10 C15 aryl, C6 to C2515 arylalkyl, and C6 to C25 alkylaryl, and R3 is a hydrogen ...

Preparation and use of tetrasubstituted fluorenyl catalysts for polymerization of olefins

Catalyst compositions and processes for the polymerization of ethylenically unsaturated monomers to produce polymers, including copolymers or homopolymers. Such monomers include ethylene, C3+ alpha olefins and substituted vinyl compounds, such as styrene and vinyl chloride. The polymerization catalyst characterized by the formula B(FluL)MQn in which Flu is a fluorenyl group substituted at at least the 2,7- and 3,6-positions by hydrocarbyl groups, preferably relatively bulky hydrocarbyl groups. L is a substituted or unsubstituted cyclopentadienyl, indenyl or fluorenyl group or a heteroorgano group, XR, in which X is a heteroatom from Group 15 or 16 of the Periodic Table of Elements, such as nitrogen, R is an alkyl group, a cycloalkyl group or an aryl group and B is a structural bridge extending between the groups L and Flu, which imparts stereorigidity to the ligand structure, M is a Group 4 or Group 5 transition metal, such as titanium, zirconium or hafnium and Q is selected from the group ...

PROCESS FOR THE PREPARATION OF CATALYST PASTE AND PRODUCTS THEREOF

A process for the preparation of a catalyst paste comprising the following steps: a) obtaining a slurry in an organic solvent containing at least: a1) a support bearing functional groups; a2) a trialkylaluminum of formula (Ra) 3A1 wherein Ra, equal to or different from each other is a C1 -C20 hydrocarbon radical optional containing heteroatoms belonging to groups 13-17 of the periodic table of the elements; a3) a compound of formula (I): (R1)x-A-(OH)y wherein: A is an atom of group 13 or 15 of the Periodic Table; R1 equal to or different from each other, are C1-C40 hydrocarbon radicals optionally containing heteroatoms belonging to groups 13-17 of the periodic table of the elements; Y is 1 or 2; X is 1 or 2; provided that x+y=3; a4) a transition metal organometallic compound; b) washing the resulting slurry one or more times with oil.

SYNTHESIS OF SUBSTITUTED TETRAHYDROINDENYL COMPLEXES, METALLOCENES PRODUCED THEREFROM AND USE OF THE METALLOCENES IN POLYMERISATION PROCESSES

This invention relates to the synthesis of substituted tetrahydroindenyls and the use of the synthesised complexes in the homo- and co-polymerisation of ethylene and alpha-olefins.

Polymerized metallocene catalyst composition

Free-radical-initiated copolymerization of metallocene complexes containing olefinic substituents on aryl groups with styrene results in polymerized late transition metal catalysts that can be used for olefin polymerization or oligomerization. These catalysts have high catalyst activity for olefin polymerization or oligomerization.

Ziegler-natta catalyst for polyolefins

A Ziegler-Natta type catalyst component can be produced by a process comprising contacting a magnesium dialkoxide compound with a halogenating agent to form a reaction product A, and contacting reaction product A with a first, second and third halogenating/titanating agents. Catalyst components, catalysts, catalyst systems, polyolefin, products made therewith, and methods of forming each are disclosed. The reaction products can be washed with a hydrocarbon solvent to reduce titanium species [Ti] content to less than about 100 mmol/L.

Method of preparing group 14 bridged biscyclopentadienyl ligands

The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyldisulfonates. Even more particularly, the present invention describes Group IV metallocenes containing diarylsilyl bridged bis-cyclopentadienyl ligands prepared from contacting a diarylsilyldisulfonate with an organometallic indenyl reagent.

SUPPORTED METALLOCENE CATALYSTS

Method employing a supported metallocene catalyst composition in the production of an isotactic ethylene propylene co-polymer. The composition comprises a metallocene component supported on a particulate silica support having average particle size of 10-40 microns, a pore volume of 1.3-1.6 ml/g, a surface area of 200-400 m2/g. An alkylalumoxane cocatalyst component is incorporated on the support. The isospecific metallocene is characterized by the formula: B(CpRaRb)(FlR2)MQn(1) or by the formula: B(CpRaRb)(Fl)MQn.(2) In the formulas Cp and Cp are substituted cyclopentadienyl groups, Fl and Fl are fluorenyl groups, and B and B are structural bridges. Ra are substituents at the 2 and 7 positions, Ra and Ra are substituents distal to the bridge, and Rb and Rb are proximal to the bridge. M and M are transition metals, Q is a halogen or a C1-C4 alkyl group; and n is an integer of from 0-4.

МАГНИЙДИХЛОРИДСОДЕРЖАЩИЕ АДДУКТЫ И КАТАЛИТИЧЕСКИЕКОМПОНЕНТЫ, ПОЛУЧЕННЫЕ С НИМИ

Настоящее изобретение относится к аддуктам Льюиса. Описаны твердые аддукты Льюиса, содержащие MgCl2, основание Льюиса (LB), принадлежащее к простым эфирам, сложным алкиловым эфирам С1-С10алифатических карбоновых кислот, кетонам, силанам или аминам, и спирт ROH, где R представляет собой С1-С15углеводородную группу, необязательно замещенную гетероатомсодержащими группами, при этом данные соединения находятся в мольных соотношениях друг с другом, определяемых следующей формулой MgCl2(ROH)m(LB)n(H2O)p, в которой m находится в интервале от 0,05 до 6, n находится в интервале от 0,08 до 6 и р находится в интервале от 0,01 до 0,6. Также описан способ получения описанного выше твердого аддукта Льюиса, включающий (i) контактирование MgCl2, спирта ROH и основания Льюиса LB необязательно в присутствии инертного жидкого разбавителя; (ii) нагревание системы до температуры плавления смеси и поддержание указанных условий с тем, чтобы получить полностью расплавленный аддукт, и (iii) быстрое охлаждение расплавленного ...

СПОСОБ ПОЛИМЕРИЗАЦИИ ОЛЕФИНОВ В ГАЗОВОЙ ФАЗЕ

FIELD: gas industry.SUBSTANCE: invention relates to a gas phase polymerization reactor and a method for producing an olefinic polymer. The gas phase polymerization reactor for the gas phase polymerization of olefins has at least one polymerization zone. The reactor is equipped with a recirculating line for withdrawing the reaction gas from the reactor, supplying the reaction gas to a heat exchanger for cooling, and supplying the reaction gas back to the reactor. The recirculating line is equipped with a heat exchanger, a centrifugal compressor and a butterfly valve. The centrifugal compressor has rotary adjustable blades of the inlet guide vanes. The rotary adjustable blades of the inlet guide vanes are made upstream of the centrifugal compressor. The butterfly valve is installed downstream of the centrifugal compressor. This method involves copolymerization of ethylene and one of the C2-C121-alkenes at a temperature from 20 to 200 °C and a pressure from 0.5 to 10 MPa in the presence of a polymerization catalyst. The polymerization is carried out in a gas phase polymerization reactor.EFFECT: invention constitutes a polymerization process that makes it possible to control the gas rate in a simple manner by maintaining a constant pressure drop in the compressor or to vary the compressor pressure drop by maintaining a constant gas rate.15 cl, 3 dwg, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 743 991 C1 (51) МПК B01J 8/24 (2006.01) C08F 10/00 (2006.01) C08F 2/01 (2006.01) C08F 2/34 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01J 8/24 (2020.08); C08F 10/00 (2020.08); C08F 2/01 (2020.08); C08F 2/34 (2020.08) (21)(22) Заявка: 2020126337, 04.02.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: 01.03.2021 (73) Патентообладатель(и): БАЗЕЛЛ ПОЛИОЛЕФИН ГМБХ (DE) 07.02.2018 EP 18155559.0 (56) Список документов, цитированных в отчете о поиске: RU 2621038 C2, 31.05.2017. WO 2010027491 A1, 11. ...

КОМПЛЕКСЫ ПЕРЕХОДНОГО МЕТАЛЛА

... 1. Комплекс переходного металла, который представляет собой комплекс бис-арилиминопиридин-MXn, включающий в себя бис-арилиминопиридиновый лиганд, имеющий формулу (I), представленную ниже где R1-R5, R7 -R9, R12 и R14 являются, каждый независимо, водородом, необязательно замещенным гидрокарбилом, инертной функциональной группой, или любые два из R1-R3 и R7-R9, расположенные вицинально один к другому, взятые вместе, могут образовывать цикл; R6 является водородом, необязательно замещенным гидрокарбилом, инертной функциональной группой, или вместе с R7 или R4 образует цикл; R10 является водородом, необязательно замещенным гидрокарбилом, инертной функциональной группой, или вместе с R9 или R4 образует цикл; R11 является водородом, необязательно замещенным гидрокарбилом, инертной функциональной группой, или вместе с R12 или R5 образует цикл, R15 является водородом, необязательно замещенным гидрокарбилом, инертной функциональной группой, или вместе с R14 или R5 образует цикл, при условии, что R13 ...

КАТАЛИТИЧЕСКАЯ КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ ЭФИР МОНОКАРБОНОВОЙ КИСЛОТЫ В КАЧЕСТВЕ ВНУТРЕННЕГО ДОНОРА И СПОСОБ ПОЛИМЕРИЗАЦИИ ПРОПИЛЕНА

... 1. Каталитическая композиция для полимеризации пропилена или смеси пропилена с одним или более сополимеризуемых сомономеров, где указанная каталитическая композиция содержит одну или более композиций прокатализаторов Циглера-Натта, содержащих одно или более соединений переходных металлов и один или более моноэфиров ароматических карбоновых кислот в качестве внутренних доноров электронов; один или более сокатализаторов, содержащих алюминий; и смесь двух или более различных агентов, регулирующих селективность, причем указанная смесь SCA содержит от 70 до 98 мол.% одного или более эфиров одной или более ароматических монокарбоновых кислот или их замещенных производных и от 30 до 2 мол.% одного или более алкоксисилановых соединений, содержащих одну или более 5- или 6-членных циклических групп, необязательно, содержащих один или более гетероатомов Групп 14, 15 или 16. 2. Каталитическая композиция по п.1, где внутренним донором электронов является этилбензоат. 3. Каталитическая композиция по ...

Schlagzähe Propylencopolymerisate

USE FROM IONI LIQUIDS TO THE DEPOSIT OF SINGLE SITE KATALYSATORKOMPONENTEN ON A CARRIER FOR THE PRODUCTION OF HYBRID POLYMERS

METHOD FOR THE PREPARATION OF OLEFIN POLYMERISATION CATALYST SUPPORT AND AN OLEFIN POLYMERISATION CATALYST

CATALYST COMPOSITION AND OLEFIN POLYMERIZATION USING SAME

MONOCYCLOPENTADIENYL COMPLEXES

Polydentate heteroatom ligand containing metal complexes, catalysts and methods of making and using the same

Weakly coordinating anions containing polyfluoroalkoxide ligands

Processes for Reducing the Loss of Catalyst Activity of a Ziegler-Natta Catalyst

A process for reducing the loss of catalyst activity of a Ziegler-Natta catalyst is provided. The process includes preparing a Ziegler-Natta (ZN) catalyst by contacting the ZN catalyst with at least one aluminum alkyl compound to produce a reduced ZN catalyst and storing and/or transporting the reduced ZN catalyst for at least 20 days at a temperature of 25° C. or less. The reduced ZN catalyst may be used for polymerizing polyolefin polymers. 1. A process for reducing the loss of catalyst activity of a Ziegler-Natta catalyst , the process comprising:a) preparing a Ziegler-Natta (ZN) catalyst by contacting the ZN catalyst with at least one aluminum alkyl compound to produce a reduced ZN catalyst;b) optionally, drying the reduced ZN catalyst; andc) storing and/or transporting the reduced ZN catalyst for at least 20 days at a temperature of 25° C. or less.2. (canceled)3. The process of claim 1 , wherein the reduced ZN catalyst has substantially the same catalyst activity during the storing and/or transporting.4. The process of claim 1 , wherein the reduced ZN catalyst comprises a T0 catalyst activity at the beginning of the storing and/or transporting and a T1 catalyst activity at the end of the storing and/or transporting claim 1 , and wherein the T1 catalyst activity is within 65% of the T0 catalyst activity.5. The process of claim 1 , wherein the reduced ZN catalyst comprises a T0 catalyst activity at the beginning of the storing and/or transporting and a T1 catalyst activity at the end of the storing and/or transporting claim 1 , and wherein the T1 catalyst activity is within 75% of the T0 catalyst activity.6. The process of claim 1 , wherein the reduced ZN catalyst comprises a T0 catalyst activity at the beginning of the storing and/or transporting and a T1 catalyst activity at the end of the storing and/or transporting claim 1 , and wherein the T1 catalyst activity is within 80% of the T0 catalyst activity.7. The process of claim 1 , wherein the storing and/or ...

Method For Preparing Cocatalyst Compound Using Anhydrous Hydrocarbon Solvent

The present invention relates to a method for preparing a cocatalyst compound using an anhydrous hydrocarbon solvent, and a cocatalyst compound prepared thereby.

CATALYST COMPRISING PERMETHYLPENTALENE LIGANDS

Catalytic compositions comprising permethylpentalene based metallocene complexes supported on solid methylaluminoxane are disclosed. The compositions are effective catalysts/initiators in the polymerisation of olefins. Also disclosed are uses of the compositions in olefin polymerisation. 2. The composition of claim 1 , wherein Rand Rare each independently hydrogen or linear (1-4C)alkyl claim 1 , or Rand Rare linked such that claim 1 , when taken in combination with the atoms to which they are attached claim 1 , they form a 6-membered fused aromatic ring optionally substituted with one or more groups selected from (1-6C)alkyl claim 1 , (2-6C)alkenyl claim 1 , (2-6C)alkynyl claim 1 , (1-6C)alkoxy claim 1 , aryl claim 1 , heteroaryl claim 1 , carbocyclic and heterocyclic claim 1 , wherein each aryl claim 1 , heteroaryl claim 1 , carbocyclic and heterocyclic group is optionally substituted with one or more groups selected from (1-6C)alkyl claim 1 , (2-6C)alkenyl claim 1 , (2-6C)alkynyl claim 1 , (1-6C)alkoxy and halo.3. The composition of claim 1 , wherein Rand Rare each independently hydrogen or linear (1-4C)alkyl claim 1 , or Rand Rare linked such that claim 1 , when taken in combination with the atoms to which they are attached claim 1 , they form a 6-membered fused aromatic ring optionally substituted with one or more groups selected from (1-6C)alkyl claim 1 , (2-6C)alkenyl claim 1 , (2-6C)alkynyl claim 1 , (1-6C)alkoxy claim 1 , aryl or heteroaryl claim 1 , wherein each aryl or heteroaryl group is optionally substituted with one or more groups selected from (1-6C)alkyl claim 1 , (2-6C)alkenyl claim 1 , (2-6C)alkynyl claim 1 , (1-6C)alkoxy and halo.4. The composition of claim 1 , wherein Rand Rare each independently hydrogen or linear (1-4C)alkyl claim 1 , or Rand Rare linked such that claim 1 , when taken in combination with the atoms to which they are attached claim 1 , they form a 6-membered fused aromatic ring optionally substituted with one or more groups ...

Dual Metallocene Catalyst Copolymer Compositions

Processes are provided which include copolymerization using two different metallocene catalysts, one capable of producing high Mooney-viscosity polymers and one suitable for producing lower Mooney-viscosity polymers having at least a portion of vinyl terminations. The two catalysts may be used together in polymerization to produce copolymer compositions of particularly well-tuned properties. For instance, polymerizations are contemplated to produce high-Mooney metallocene polymers that exhibit excellent processability and elasticity, notwithstanding their high Mooney viscosity. Other polymerizations are also contemplated in which lower-Mooney metallocene polymers are produced, which also exhibit excellent processability and elasticity, while furthermore having excellent cure properties suitable in curable elastomer compound applications. Many of the contemplated polymerizations include controlling the ratio of the two metallocene catalysts used in the polymerization so as to obtain the desired Mooney viscosity and desired rheology (indicated by Mooney Relaxation Area) of the copolymer compositions. 2. The process of claim 1 , wherein the first C-Cα-olefin monomer is ethylene claim 1 , and the second C-Cα-olefin monomer is one of propylene and 1-butene.3. The process of claim 1 , wherein the plurality of monomers comprises one or more dienes selected from the group consisting of: 5-ethylidene-2-norbornene (ENB) claim 1 , 5-vinyl-2-norbornene (VNB) claim 1 , 1 claim 1 ,4-hexadiene claim 1 , dicyclopentadiene claim 1 , and any combination thereof.4. The process of claim 1 , wherein the molar ratio of the first metallocene catalyst to the second metallocene catalyst is controlled within the range from 0.8 to 6.5. The process of claim 4 , wherein the molar ratio of the first metallocene catalyst to the second metallocene catalyst is controlled within the range from 1.5 to 2.0.6. The process of claim 1 , wherein the controlling (b) is based at least in part upon one or ...

Catalyst for polymerization of olefins and process thereof

The present invention provides a process for preparation of a solid titanium catalyst component for use as pro-catalyst for a Ziegler-Natta catalyst system. The solid titanium catalyst component comprises a combination of 15 to 20 wt % of a magnesium moiety, 1.0 to 6.0 wt % of a titanium moiety and 5.0 to 20 wt % of an internal donor, said solid titanium catalyst component has an average particle size in the range of 1 to 100 μm, characterized by a three point particle size distribution of D10 in the range of 1 to 10 μm; D50 in the range of to 25 μm and D90 in the range of 15 to 50 μm. The present invention also provides a 15 Ziegler-Natta catalyst system comprising the solid titanium catalyst component and the method of polymerizing and/or copolymerizing olefins by using the Ziegler-Natta catalyst system.

BIMETALLIC CATALYTIC COMPOUNDS AND COMPOSITIONS COMPRISING PERMETHYLPENTALENE LIGANDS

Bimetallic catalytic compounds and compositions comprising permethylpentalene ligands, as well as their methods of preparation, are described. The catalytic compounds and compositions are promising catalysts in olefin (e.g. ethylene) polymerisation reactions. 2. The compound of claim 1 , wherein each TM is independently selected from Rh claim 1 , Ir claim 1 , Ti claim 1 , Ni claim 1 , Co claim 1 , Fe and Zr.3. The compound of claim 1 , wherein both TM groups are the same.4. The compound of any of claim 1 , wherein each ring A is independently a 5-8 membered aryl claim 1 , heteroaryl containing 1 claim 1 , 2 or 3 heteroatoms selected from N claim 1 , O and S claim 1 , or partially unsaturated cycloalkyl that is:{'sub': x', 'y', 'x', 'y', '3, '1. optionally substituted with one or more substituents selected from (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl; (1-4C)alkoxy, aryl, aryloxy, halo, hydroxyl, nitro, —NRR, —C(O)NRRand —Si[(1-4C)alkyl], and/or'}{'sub': x', 'y', 'x', 'y', '3, 'claim-text': {'sub': x', 'y, 'wherein Rand Rare independently selected from H and (1-4C)alkyl.'}, '2. fused to one or more 5- or 6-membered aryl, heteroaryl, or partially unsaturated cycloalkyl rings, either or all of which being optionally substituted with one or more substituents selected from (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl; (1-4C)alkoxy, aryl, aryloxy, halo, hydroxyl, nitro, —NRR, —C(O)NRRand —Si[(1-4C)alkyl],'}5. The compound of claim 1 , wherein each ring A is independently a 5-8 membered aryl claim 1 , heteroaryl containing 1 or 2 N heteroatoms claim 1 , or partially unsaturated cycloalkyl that is:{'sub': x', 'y', 'x', 'y', '3, '1. optionally substituted with one or more substituents selected from (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl; (1-4C)alkoxy, aryl, aryloxy, halo, hydroxyl, nitro, —NRR, —C(O)NRRand —Si[(1-4C)alkyl], and/or'}{'sub': x', 'y', 'x', 'y', '3, 'claim-text': {'sub': x', 'y, 'wherein Rand Rare independently selected from H and (1-4C)alkyl.'}, '2. fused to ...

Olefin Polymerization Catalyst Component Having Carbonate Compounds

The present invention relates to Ziegler-Natta catalyst components for olefin polymerization employing specific carbonate compounds as an element of solid catalyst composition in conjunction with at least one or more internal donor compounds, for producing polyolefins, particularly polypropylene and ethylene-propylene block co-polymer, which exhibits substantially high rubber content with higher stereo-regularity and hydrogen response. 2. The solid catalyst component of claim 1 , wherein Ri and R2 are linked to form one or more saturated or unsaturated monocyclic or polycyclic rings.3. The solid catalyst component of claim 1 , wherein the carbonate compound is a dialkylcarbonate.4. The solid catalyst component of claim 1 , wherein the carbonate compound is diethylcarbonate.5. The solid catalyst component of claim 1 , wherein the carbonate compound is selected from diethylcarbonate claim 1 , dimethylcarbonate claim 1 , diisopropylcarbonate claim 1 , dipropylcarbonate claim 1 , dibutylcarbonate claim 1 , ditertbutylcarbonate claim 1 , dicyclopentylcarbonate claim 1 , dicyclohexylcarbonate claim 1 , diphenylcarbonate claim 1 , dibenzylcarbonate propylene carbonate claim 1 , ethylene carbonate claim 1 , or trimethylene carbonate.6. The solid catalyst component of claim 1 , wherein the at least one internal electron donor comprises a first internal electron donor and a second internal electron donor.7. The solid catalyst component of claim 6 , wherein the first internal electron donor is a phthalate compound claim 6 , and wherein the second internal electron donor is a 1 claim 6 ,3 diether compound.8. The solid catalyst component of claim 1 , wherein the at least one internal electron donor comprises a 1 claim 1 ,3 diether compound.9. The solid catalyst component of claim 1 , wherein the at least one internal electron donor comprises an ester of phthalic acid.10. The solid catalyst component of claim 1 , wherein the at least one internal donor comprises a malonate ...

OFF-LINE FILTER FREE ZIEGLER-NATTA CATALYST PREPARATION

The various embodiments provide, a magnesium titanium polymerization procatalyst, and methods for making and using the same. 1. A process to prepare an olefin polymerization procatalyst comprising a Ti complex , said process comprising:{'sub': '2', 'claim-text': [{'sub': '5-12', 'i) a Mg compound chosen from butylethyl magnesium (BEM), dibutyl magnesium, and butyloctyl magnesium (BOM), a solvent chosen from Calkanes, or mixtures thereof,'}, 'ii) reactive organic chloride or HCl;, 'a) forming a delta form MgClspecies by combining'}and wherein the mole ratio of added Cl and Mg is from 2.1 to 2.3;{'sub': 2', 'x', '3−x', 'y', '3−y', 'x', '3−x', 'y', '3−y, 'sup': 1', '4', '5', '1', '4', '5, 'b) adding to said delta form MgClspecies prepared in step a), an aluminum alkyl halide of the formula RAlXfirst, a tetravalent titanium compound second, followed by an alkyl aluminum alkoxide of the formula RAlOR, wherein the Al/Ti molar ratio when measuring Al supplied from RAlXonly is from about 0.7 to about 1 and the Al/Ti molar ratio when measuring Al supplied from RAlORis from about 1 to about 2;'}and further whereinthe Mg/Ti molar ratio is from about 5 to about 10;x is 1 or 2;y is 1 or 2;{'sup': '1', 'sub': '1-8', 'each Ris independently chosen from Calkyl radicals;'}{'sup': 2', '3, 'sub': 3', '3', '4, 'the tetravalent titanium compound is chosen from TiRX, Ti(OR)X, TiX, and mixtures thereof;'}each X is independently chosen from the halogen radicals;{'sup': '2', 'sub': '1-8', 'each Ris independently chosen from Calkyl radicals and benzyl; and'}{'sup': 3', '4', '5, 'sub': '1- 8', 'each R, Rand Rare independently chosen from Calkyl radicals wherein no filtration or washing steps are performed during or after the formation of the catalyst.'}2. The process of claim 1 , wherein the reactive organic chloride is tertiary-butylchloride (tBuCl).3. The process of claim 1 , wherein step a) is performed at a temperature between about 20° C. and about 160° C.4. The process of claim 1 , ...

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

催化剂体系和用于烯烃聚合的方法

本申请涉及用于烯烃聚合的新催化剂体系，其包括具有式：[R 1 R 2 R 3 AH] + [Y] - 的新型离子活化剂，其中[Y] - 是非配位阴离子(NCA)，A是氮或磷，R 1 和R 2 是烃基或含杂原子的烃基以及与A一起形成第一、3-到10-元非芳香环，其中任意数目的相邻环组元可以任选是至少一个第二、芳香族的或脂肪族的环或脂肪族的和/或两个或更多个环芳香环体系的单元，其中所述至少一个第二环或环体系稠合到所述的第一个环上，以及其中第一和/或至少一个第二环或环体系的任何原子是碳原子或杂原子，可独立地被一个或多个选自氢原子、卤素原子C 1 到C 10 烷基、C 5 到C 15 芳香基、C 6 到C 25 芳基烷基和C 6 到C 25 烷基芳基的取代基取代，以及R 3 是氢原子或C 1 到C 10 的烷基，或者R 3 是连接到所述第一环和/或连接到所述至少一个第二环或环体系的C 1 到C 10 亚烷基。本申请还涉及采用这个或其它催化体系聚合烯烃优选丙烯的方法，以及由所述方法制得的聚合物。

Method for preparing co-catalyst compound by using anhydrous hydrocarbon solvent

The present invention relates to a method for preparing a co-catalyst compound by using an anhydrous hydrocarbon solvent and a co-catalyst compound prepared thereby.

Hybrid supported metallocene catalyst and preparation of polyethylene copolymer using the same

본 발명은 혼성 담지 메탈로센 촉매를 이용하여 제조되는 폴리에틸렌 공중합체에 관한 것으로써 더욱 구체적으로는 2 종의 메탈로센 촉매를 담지한 혼성 담지 메탈로센 촉매를 이용하여 제조되어 이정 또는 다정의 분자량 분포를 가짐으로써 가공성 및 위생성이 우수하고 장기 고온 내압특성이 탁월한 폴리에틸렌 공중합체 및 이러한 폴리에틸렌 공중합체를 제조하는 데 사용되는 혼성 담지 메탈로센 촉매에 관한 것이다. The present invention relates to a polyethylene copolymer prepared by using a hybrid supported metallocene catalyst, and more particularly, to a bimodal or multimodal copolymer prepared using a hybrid supported metallocene catalyst carrying two metallocene catalysts. The present invention relates to a polyethylene copolymer having excellent molecular weight distribution and excellent workability and hygiene and excellent long-term high temperature pressure resistance characteristics, and a hybrid supported metallocene catalyst used to prepare such polyethylene copolymer. 폴리에틸렌 공중합체, 혼성 담지 메탈로센 촉매, 이정, 다정, 알파-올레핀 Polyethylene Copolymers, Hybrid Supported Metallocene Catalysts, Bi-, Poly-, Alpha-olefins

Production of vinyl terminated polyethylene using supported catalyst system

Process for simultaneously dimerizing ethylene and copolymerizing ethylene with the dimerized product

A process for producing copolymers of ethylene and butene-1 wherein the butene-1 comonomer is generated in situ within the polymerization reactor by a separately catalyzed ethylene dimerization.

Processes for reducing the loss of catalyst activity of a ziegler-natta catalyst

A process for reducing the loss of catalyst activity of a Ziegler-Natta catalyst is provided. The process includes preparing a Ziegler-Natta (ZN) catalyst by contacting the ZN catalyst with at least one aluminum alkyl compound to produce a reduced ZN catalyst and storing and/or transporting the reduced ZN catalyst for at least 20 days at a temperature of 25°C or less. The reduced ZN catalyst may be used for polymerizing polyolefin polymers.

Processes for reducing the loss of catalyst activity of a Ziegler-Natta catalyst

A process for reducing the loss of catalyst activity of a Ziegler-Natta catalyst is provided. The process includes preparing a Ziegler-Natta (ZN) catalyst by contacting the ZN catalyst with at least one aluminum alkyl compound to produce a reduced ZN catalyst and storing and/or transporting the reduced ZN catalyst for at least 20 days at a temperature of 25° C. or less. The reduced ZN catalyst may be used for polymerizing polyolefin polymers.

Process for simultaneously dimerizing ethylene and copolymerizing ethylene with the dimerized product

A process for producing copolymers of ethylene and butene-1 wherein the butene-1 comonomer is generated in situ within the polymerization reactor by a separately catalyzed ethylene dimerization reaction.

Transition metal compounds for olefin polymerization and oligomerization

Polyethylene compositions having improved properties

boron-based electron donors for ziegler-natta catalyst systems

Um sistema catalítico para uso em polimerização olefínica inclui titânio, magnésio, um halogêneo, organoalumínio e um doador de elétrons à base de boro. A catalytic system for use in olefinic polymerization includes titanium, magnesium, a halogen, organoalumin and a boron-based electron donor.

Processo per la polimerizzazine di polimeri tattici con l'uso di catalizzatori chirali

Supported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions

A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support having immobilized thereon a least one strong Lewis acid comprising at least one metal salt of a strong Bronsted acid wherein the metal is selected from the group consisting of aluminum, boron gallium, antimony, tantalum, niobium, yttrium, cobalt, nickel, iron, tin, zinc, magnesium barium strontium, calcium, tungsten, molybdenum and the metals of the lanthanide series and wherein the strong Bronsted acid is selected from the group consisting of mineral and organic acids stronger than 100% sulfuric acid.

Supported lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions

A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support having immobilized thereon a least one strong Lewis acid comprising at least one metal salt of a strong Bronsted acid wherein the metal is selected from the group consisting of aluminum, boron gallium, antimony, tantalum, niobium, yttrium, cobalt, nickel, iron, tin, zinc, magnesium barium strontium, calcium, tungsten, molybdenum and the metals of the lanthanide series and wherein the strong Bronsted acid is selected from the group consisting of mineral and organic acids stronger than 100% sulfuric acid.

Supported metallocene catalysts

Method employing a supported metallocene catalyst composition in the production of an isotactic ethylene propylene co-polymer. The composition comprises a metallocene component supported on a particulate silica support having average particle size of 10-40 microns, a pore volume of 1.3-1.6 ml/g, a surface area of 200-400 m 2/g. An alkylalumoxane cocatalyst component is incorporated on the support. The isospecific metallocene is characterized by the formula: B(CpRaRb)(FlR′ 2 )MQ n   (1) or by the formula: B′(Cp′R′aR′b)(Fl′)M′Q′ n′   (2) In the formulas Cp and Cp′ are substituted cyclopentadienyl groups, Fl and Fl′ are fluorenyl groups, and B and B′ are structural bridges. R′ are substituents at the 2 and 7 positions, Ra and R′a are substituents distal to the bridge, and Rb and R′b are proximal to the bridge. M and M′ are transition metals, Q′ is a halogen or a C 1- C 4 alkyl group; and n′ is an integer of from 0-4.

Supported metallocene catalysts

Method employing a supported metallocene catalyst composition in the production of an isotactic ethylene propylene co-polymer. The composition comprises a metallocene component supported on a particulate silica support having average particle size of 10-40 microns, a pore volume of 1.3-1.6 ml/g, a surface area of 200-400 m 2 /g. An alkylalumoxane cocatalyst component is incorporated on the support. The isospecific metallocene is characterized by the formula: B(CpRaRb)(FlR′ 2 )MQ n   (1) or by the formula: B′(Cp′R′aR′b)(Fl′)M′Q′ n′   (2) In the formulas Cp and Cp′ are substituted cyclopentadienyl groups, Fl and Fl′ are fluorenyl groups, and B and B′ are structural bridges. R′ are substituents at the 2 and 7 positions, Ra and R′a are substituents distal to the bridge, and Rb and R′b are proximal to the bridge. M and M′ are transition metals, Q′ is a halogen or a C 1 -C 4 alkyl group; and n′ is an integer of from 0-4.

Ziegler-natta catalyst for polyolefins

A Ziegler-Natta type catalyst component can be produced by a process comprising contacting a magnesium dialkoxide compound with a halogenating agent to form a reaction product A, and contacting reaction product A with a first, second and third halogenating/titanating agents. Catalyst components, catalysts, catalyst systems, polyolefin, products made therewith, and methods of forming each are disclosed. The reaction products can be washed with a hydrocarbon solvent to reduce titanium species [Ti] content to less than about 100 mmol/L.

Supported metallocene catalysts

Method employing a supported metallocene catalyst composition in the production of an isotactic ethylene propylene co-polymer. The composition comprises a metallocene component supported on a particulate silica support having average particle size of 10-40 microns, a pore volume of 1.3-1.6 ml/g, a surface area of 200-400 m 2 /g. An alkylalumoxane cocatalyst component is incorporated on the support. The isospecific metallocene is characterized by the formula: B(CpRaRb)(FlR′ 2 )MQ n   (1) or by the formula: B′(Cp′R′aR′b)(Fl′)M′Q′ n′   (2) In the formulas Cp and Cp′ are substituted cyclopentadienyl groups, Fl and Fl′ are fluorenyl groups, and B and B′ are structural bridges. R′are substituents at the 2 and 7 positions, Ra and R′a are substituents distal to the bridge, and Rb and R′b are proximal to the bridge. M and M′ are transition metals, Q′ is a halogen or a C 1 -C 4 alkyl group; and n′ is an integer of from 0-4.

Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefins

Olefin polymerization catalyst precursors are described herein. The precursors are generally characterized by the formula: wherein M is a transition metal selected from groups 8 to 10 of the Periodic Table; n is an integer of from 1 to 3; Q is a halogen or a C 1 to C 2 alkyl group; PY is a pyridinyl group, which is coordinated with M through the nitrogen atom of said pyridinyl group; R′ is a C 1 to C 20 hydrocarbyl group; R″ is a C 1 to C 20 hydrocarbyl group; A 1 is a monoaromatic group, which is substituted or unsubstituted; and A 2 includes multiple aromatic groups, which are substituted or unsubstituted.

Preparation and use of tetrasubstituted fluorenyl catalysts for polymerization of olefins

Catalyst compositions and processes for the polymerization of ethylenically unsaturated monomers to produce polymers, including copolymers or homopolymers. Such monomers include ethylene, C 3+ alpha olefins and substituted vinyl compounds, such as styrene and vinyl chloride. The polymerization catalyst characterized by the formula B(FluL)MQ n in which Flu is a fluorenyl group substituted at at least the 2,7- and 3,6-positions by hydrocarbyl groups, preferably relatively bulky hydrocarbyl groups. L is a substituted or unsubstituted cyclopentadienyl, indenyl or fluorenyl group or a heteroorgano group, XR, in which X is a heteroatom from Group 15 or 16 of the Periodic Table of Elements, such as nitrogen, R is an alkyl group, a cycloalkyl group or an aryl group and B is a structural bridge extending between the groups L and Flu, which imparts stereorigidity to the ligand structure, M is a Group 4 or Group 5 transition metal, such as titanium, zirconium or hafnium and Q is selected from the group consisting of chlorine, bromine, iodine, an alkyl group, an amino group, an aromatic group and mixtures thereof, with n being 1 or 2.

Supported metallocene catalysts

Method employing a supported metallocene catalyst composition in the production of an isotactic ethylene propylene co-polymer. The composition comprises a metallocene component supported on a particulate silica support having average particle size of 10-40 microns, a pore volume of 1.3-1.6 ml/g, a surface area of 200-400 m 2 /g. An alkylalumoxane cocatalyst component is incorporated on the support. The isospecific metallocene is characterized by the formula: B(CpRaRb)(FlR′ 2 )MQ n   (1) or by the formula: B′(Cp′R′aR′b)(Fl′)M′Q′ n′   (2) In the formulas Cp and Cp′ are substituted cyclopentadienyl groups, Fl and Fl′ are fluorenyl groups, and B and B′ are structural bridges. R′ are substituents at the 2 and 7 positions, Ra and R′a are substituents distal to the bridge, and Rb and R′b are proximal to the bridge. M and M′ are transition metals, Q′ is a halogen or a C 1 -C 4 alkyl group; and n′ is an integer of from 0-4.

Bidentate catalyst for olefin polymerization, methods of forming such and products therefrom

Bidentate catalyst systems and the methods or forming such are described herein. The catalyst systems generally are compounds having the general formula: where R, R 1 , R 2 and R 3 are optional and independently selected from hydrogen, C 1 to C 20 alkyl groups or C 6 to C 20 aryl groups, A′ and A″ are independently selected from coordination groups, M is a Group 4 or 5 transition metal, X is selected from halogens, alkyl groups, aromatic groups or combinations thereof and n is less than 4.

Catalyst system, olefin polymerization process, and polymer composition produced therefrom

Propylene polymerization catalyst system

Polymerization catalyst system using di-sec-butyldimethoxysilane for preparation of polypropylene

It has been discovered that using di-sec-butyldialkoxysilanes, such as di-sec-butyldimethoxysilane (DSBDMS), as external electron donors for Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films with improved properties and processing. The catalyst systems of the invention provide high activity, high bulk density, moderate hydrogen response, moderate donor response and high polydispersity (MWD). Suitable di-sec-butyldialkoxysilanes have the formula ( s Bu) 2 Si(OR″) 2 , where R″ is independently a straight or branched alkyl group of 1–5 carbon atoms.

ポリオレフィン用チーグラー・ナッタ触媒

Polymerization catalyst system using di-sec-butyldimethoxysilane for preparation of polypropylene

It has been discovered that using di-sec-butyldialkoxysilanes, such as di-sec-butyldimethoxysilane (DSBDMS), as external electron donors for Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films with improved properties and processing. The catalyst systems of the invention provide high activity, high bulk density, moderate hydrogen response, moderate donor response and high polydispersity (MWD). Suitable di-sec-butyldialkoxysilanes have the formula ( s Bu) 2 Si(OR″) 2 , where R″ is independently a straight or branched alkyl group of 1-5 carbon atoms.

Salts of lewis acid/acid adducts and catalyst activators therefrom

A compound useful as a cocatalyst or cocatalyst component, especially for use as an addition polymerization catalyst compound, corresponding to the formula: (A* +a ) b (Z*J* j ) −c d , wherein: A* is a proton or a cation of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, said A* having a charge +a; Z* is an anion group of from 1 to 50 atoms, preferably 1 to 30 atoms, not counting hydrogen atoms, further containing two or more Lewis base sites, said Z* being the conjugate base of an inorganic Bronsted acid or a carbonyl- or non-cyclic, imino-group containing organic Bronsted acid; J* independently each occurrence is a Lewis acid of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, coordinated to at least one Lewis base site of Z*, and optionally two or more such J* groups may be joined together in a moiety having multiple Lewis acidic functionality; j is a number from 1 to 12; and a, b, c, and d are integers from 1 to 3, with the proviso that a×b is equal to c×d.

Ziegler-natta catalyst for polyolefins

A Ziegler-Natta type catalyst component can be produced by a process comprising contacting a magnesium dialkoxide compound with a halogenating agent to form a reaction product A, and contacting reaction product A with a first, second and third halogenating/titanating agents. Catalyst components, catalysts, catalyst systems, polyolefin, products made therewith, and methods of forming each are disclosed. The reaction products can be washed with a hydrocarbon solvent to reduce titanium species [Ti] content to less than about 100 mmol/L.

Process for the preparation of catalyst paste and products thereof

A process for the preparation of a catalyst paste comprising the following steps: a) obtaining a slurry in an organic solvent containing at least: a1) a support bearing functional groups; a2) a trialkylaluminum of formula (R a ) 3 Al wherein R a , equal to or different from each other is a C 1 -C 20 hydrocarbon radical optional containing heteroatoms belonging to groups 13-17 of the periodic table of the elements; a3) a compound of formula (I) (R 1 ) x -A-(OH) y   (I) wherein: A is an atom of group 13 or 15 of the Periodic Table; R 1 equal to or different from each other, are C 1 -C 40 hydrocarbon radicals optionally containing heteroatoms belonging to groups 13-17 of the periodic table of the elements; Y is 1 or 2; X is 1 or 2; provided that x+y=3; a4) a transition metal organometallic compound; b) washing the resulting slurry one or more times with oil.

Monocyclopentadienyl complexes

Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable in this way.

Cyclopentadienyl Complexes Of Group 6 Substituted By Silyl Halides

Cyclopentadienyl complexes of group 6 having at least one cyclopentadienyl system which is substituted by at least one silyl group which bears at least one halogen substituent and a catalyst system comprising at least one of the cyclopentadienyl complexes, and also a process for preparing them, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system.

Methods of preparing a polymerization catalyst

A method of preparing a catalyst comprising contacting a support with a trivalent titanium compound and a chromium-containing compound. A catalyst composition comprising a support, chromium, and titanium, wherein the titanium is derived from TiCl 3 , Ti 2 (SO 4 ) 3 , Ti(OAc) 3 , Ti(+3) oxylate, Ti(NO 3 ) 3 , Ti(+3) lactate or combinations thereof.

Catalyst system and process for olefin polymerization

The present application relates to a new catalyst system for the polymerization of olefins, comprising a new ionic activator having the formula: [R 1 R 2 R 3 AH] + [Y]", wherein [Y] - is a non- coordinating anion (NCA), A is nitrogen or phosphorus, R 1 and R 2 are hydrocarbyl groups or heteroatom-containing hydrocarbyl groups and together form a first, 3- to 10-membered non- aromatic ring with A, wherein any number of adjacent ring members may optionally be members of at least one second, aromatic or aliphatic ring or aliphatic and/or aromatic ring system of two or more rings, wherein said at least one second ring or ring system is fused to said first ring, and wherein any atom of the first and/or at least one second ring or ring system is a carbon atom or a heteroatom and may be substituted independently by one or more substituents selected from the group consisting of a hydrogen atom, halogen atom, C 1 to C 10 alkyl, C 5 to C 15 aryl, C 6 to C 25 arylalkyl, and C 6 to C 25 alkylaryl, and R 3 is a hydrogen atom or C 1 to C 10 alkyl, or R 3 is a C 1 to C 10 alkylene group that connects to said first ring and/or to said at least one second ring or ring system. The present application also relates to a process for the polymerization of olefins, preferably propylene, using this and other catalyst systems, as well as to polymers made by said process.

Catalyst System, Process for Olefin Polymerization, and Polymer Compositions Produced Therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

Polyethylene, process and catalyst composition for the preparation thereof

A multimodal polyethylene having an inverse comonomer distribution, as well as a process carried out in a single reactor in the presence of a mixed catalyst composition comprising two different polymerization catalysts, are described. The multimodal polyethylene has a density of 0 915-0 970 g/cm 3 , a weight average molar mass Mw of 100 000-900 000 g/mol, and a polydispersity M w /M n , of at least 15. The at least one homopolymer has a density of 0 950-0 975 g/cm 3 , a weight average molar mass M w of 10 000-90 000 g/mol and a polydispersity M w /M n , higher than 3 and lower than 10, and the at least one copolymer has a polydispersity M w /M n between 8 and 80.

Film comprising a polyethylene composition having improved properties

The present invention relates to a film comprising a polyethylene composition comprising monomers of ethylene and butene, the film having a haze < 8.8 %, as determined by ASTM D-1003, the polyethylene composition having a long chain branching index of: 0.5 < g'avg < 0.9 as described in paragraph [0091] of the description; a melt flow rate (MFR) of > (49.011 x MI (-0.4304) ) as determined by ASTM D-1238-F, where MI is Melt Index as determined by ASTM-D-1238-E; and a Mw/Mn of ≤ 4.6.

Monocyclopentadienyl complexes

Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable in this way.

Monocyclopentadienyl complexes

Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable in this way.

Monocyclopentadienyl complexes

Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, 5-membered heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the mono-cyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable in this way.

Monocyclopentadienyl complexes

Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, 5-membered heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable in this way.

Monocyclopentadienyl complexes

Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable in this way.

Cyclopentadienyl complexes of group 6 substituted by silyl halides

Cyclopentadienyl complexes of group 6 having at least one cyclopentadienyl system which is substituted by at least one silyl group which bears at least one halogen substituent and a catalyst system comprising at least one of the cyclopentadienyl complexes, and also a process for preparing them, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system.

Methods of preparing a polymerization catalyst

The invention relates to an olefin polymerization method comprising: using a catalyst which has been prepared by a method which comprises contacting a support with a chromium-containing compound and an aqueous solution comprising a trivalent titanium compound. In a further aspect the invention relates to a polymer produced by a catalyst; wherein the catalyst is produced by a method which comprises contacting a support with a chromium-containing compound and an aqueous solution comprising a trivalent titanium compound; wherein the catalyst, when contacted with an olefin monomer under suitable polymerization conditions, is effective to produce a polymer having an increased high load melt index, a lower molecular weight, a broader molecular weight distribution, or an increased melt index when compared to a polymer produced using an otherwise similar catalyst prepared with a tetravalent titanium species in aqueous solution.

Methods of preparing a polymerization catalyst

A method of preparing a catalyst comprising contacting a support with a trivalent titanium compound and a chromium-containing compound. A catalyst composition comprising a support, chromium, and titanium, wherein the titanium is derived from TiCl 3 , Ti 2 (SO 4 ) 3 , Ti(OAc) 3 , Ti(+3) oxylate, Ti(NO 3 ) 3 , Ti(+3) lactate or combinations thereof.

Polyethylene compositions having improved properties

The present invention relates to a gas phase process for polymerizing olefin(s) to produce a polymer composition, havinga long chain branching index of 0.5 ≤ g'avg ≤ 0.9;a Melt Flow Rate (MFR) of > (49.011 x MI(-0.4304)), where MI is Melt Index; and a weight average molecular weight to number average molecular weight Mw/Mn ≤ 4.6 comprising contacting the olefin(s), under polymerization conditions, with a catalyst system comprising an achiral cyclic bridged metallocene catalyst compound and an activator.

Process for olefin polymerization

The present application relates to processes for polymerizing one or more olefins, comprising contacting under polymerization conditions one or more olefin monomers with a catalyst system comprising a transition metal compound and an activator having the following formula (2):          [R n AH] + [Y] - ,     (2) wherein [Y] - is a non-coordinating anion (NCA), A is nitrogen, phosphorus or oxygen, n is 3 if A is nitrogen or phosphorus, and n is 2 if A is oxygen, and the groups R are identical or different and are a C 1 to C 3 alkyl group, wherein at a given reaction temperature the weight average molecular weight (Mw) of the polymer formed increases or at least does not substantially decrease with increasing monomer conversion.

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

Method for making partially dried readily dispersible olefin polymerization procatalyst

A method of making a hydrocarbon oil dispersion of a solid procatalyst for use in a Ziegler-Natta olefin polymerization catalyst composition, said method comprising: preparing and recovering a procatalyst composition in the form of a solid mass containing residual liquid rinse diluant, partially drying the solid procatalyst composition to provide a residual liquid rinse diluent content of from 7 to 25 percent, and dispersing the partially dried, solid precursor composition in a hydrocarbon oil.

Supported Bis(Hydroxylarylaryloxy) Catalysts For Manufacture Of Polymers

A supported, heterogeneous catalyst composition for use in polymerization of addition polymerizable monomers to form high molecular weight polymers, comprising: 1) a substrate comprising a solid, particulated, high surface area, surface modified, inorganic oxide compound, 2) a Group 4 metal complex of a bis(hydroxyarylaryloxy) ligand; and optionally 3) an activating cocatalyst for the metal complex.

Tactic polymer polymerization process using chiral catalysts

A process for forming tactic polymers employing at least one olefin polymerization catalyst comprising a non-racemic mixture of the R- and S- enantiomers of a metal complex containing at least one asymmetrically substituted (chiral) carbon atom, and a chain shuttling agent, a polar aprotic organic compound, or both a chain shuttling agent and a polar aprotic organic compound.

Amidinate and guanidinate complexes, their use as chain transfer polymerization catalysts and long chain alcohols obtained by that process

The present invention relates to a catalyst composition comprising titanium-, zirconium- and/or hafnium amidinate complexes and/or titanium-, zirconium- and/or hafnium guanidinate complexes and organo aluminium and/or organo zinc compounds, a coordinative chain transfer polymerization process employing the catalyst composition as well as long chain alcohols obtained by such process.

Salt of lewis acid/acid adducts and catalyst activators therefrom

A compound useful as a cocatalyst component, especially fur use as an addition polymerization catalyst compound, corresponding to the formula: (A*+a)b(Z*J*j)-cd,wherein: A* is a proton or a cation of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, said A* having a charge +a; Z* is an anion group of from 1 to 50 atoms, preferably 1 to 30 atoms, not counting hydrogen atoms, further two or more Lewis base sites, said Z* being the conjugate base of an inorganic Bronsted acid or a carbonyl- or non-cyclic, imino-group containing organic Bronsted acid; J* independently each occurrence is a Lewis acid of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, coordinated to at least one Lewis base site of Z*, and optionally two or more such J* groups may be joined together in a moiety having multiple Lewis acidic functionality; J is a number from 1 to 12; and a, b, c, and d are integers from 1 to 3, with the proviso that a x b is equal to c x d.

Carborane trianion based catalyst

Disclosed is a Ziegler-Natta catalyst for olefin polymerization comprising a metal cation of Group 4 or 14 of the Periodic Table (IUPAC 1976) that is coordinated to a. a carborane dianion group; b. a heteroatom anion, said heteroatom being preferably in the terminal position of a hydrocarbyl bridge comprising at least two carbon atoms, wherein at least one bridging carbon atom may be replaced by Si; and c. a valence group.

遷移金属錯体化合物、該化合物を含むオレフィン多量化用触媒および該触媒存在下で行うオレフィン多量体の製造方法

　本発明は遷移金属錯体化合物、および該化合物を含有する、優れた活性を有するオレフィン多量化用触媒を提供することと、該オレフィン多量化用触媒存在下で行うオレフィン多量体の製造方法を提供することを目的する。 　本発明の[Ａ]遷移金属錯体化合物は下記一般式（Ｉ）または（Ｉ’）で表される。本発明のオレフィン多量化用触媒は、[Ａ]遷移金属化合物を含んでおり、本発明のオレフィン多量体の製造方法は、該触媒の存在下でオレフィンの多量化を行うことを特徴とする。

Amidinate and guanidinate complexes, their use as chain transfer polymerization catalysts and long chain alcohols obtained by such process

The present invention is concerned with a catalyst composition comprising titanium-, zirconium- and/or hafnium amidinate complexes and/or titanium-, zirconium- and/or hafnium guanidinate complexes and organo aluminium and/or organo zinc compounds, a coordinative chain transfer polymerization (CCTP) process employing the catalyst composition as well as long chain aluminium alkyls and subsequent alcohols obtained by such process.

Catalyst systems based on macrocyclic ligands

The present invention discloses the use of rotoxane ligands to prepare catalyst systems suitable for the oligomerisation or polymerisation of ethylene and alpha-olefins.

Zwitterionic phosphinimine catalyst

The invention relates to metal-organic compound according to formula (1), Wherein M is a group 4 metal with valency v, with v is 3 or 4, preferably Ti, Yp is a monoanionic phosphinimine ligands with p ≥ 1, X m is an anionic ligand with m = ≥ 1, with m = v - p - 1, being the number of anionic ligands and Q r is a coordinating ligand being a Lewis base with r ≥ 0 being the number of ligands, and R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 and R 9 can independently be chosen from hydrogen atoms, optionally substituted alkyl or aryl groups having 1 to 20 carbon atoms. The invention further relates to the use of the compound according to Formula (1) as a catalyst for the preparation of polyolefins.

Catalyst system and process for olefin polymerization

The present application relates to a new catalyst system for the polymerization of olefins, comprising a new ionic activator having the formula: [R 1 R 2 R 3 AH] + [Y] − , wherein [Y] − is a non-coordinating anion (NCA), A is nitrogen or phosphorus, R 1 and R 2 are hydrocarbyl groups or heteroatom-containing hydrocarbyl groups and together form a first, 3- to 10-membered non-aromatic ring with A, wherein any number of adjacent ring members may optionally be members of at least one second, aromatic or aliphatic ring or aliphatic and/or aromatic ring system of two or more rings, wherein said at least one second ring or ring system is fused to said first ring, and wherein any atom of the first and/or at least one second ring or ring system is a carbon atom or a heteroatom and may be substituted independently by one or more substituents selected from the group consisting of a hydrogen atom, halogen atom, C 1 to C 10 alkyl, C 5 to C 15 aryl, C 6 to C 25 arylalkyl, and C 6 to C 25 alkylaryl, and R 3 is a hydrogen atom or C 1 to C 10 alkyl, or R 3 is a C 1 to C 10 alkylene group that connects to said first ring and/or to said at least one second ring or ring system. The present application also relates to a process for the polymerization of olefins, preferably propylene, using this and other catalyst systems, as well as to polymers made by said process.

A polymer prepared in the presence of metal complexes bearing a polydentate heteroatom ligand

Metal complexes comprising certain polydentate heteroatom containing ligands, catalysts, and coordination polymerization processes employing the same are suitably employed to prepare polymers having desirable physical properties.

Catalyst system and process for olefin polymerization

The present application relates to a new catalyst system for the polymerization of olefins, comprising a new ionic activator having the formula: [R 1 R 2 R 3 AH] + [Y] − , wherein [Y] − is a non-coordinating anion (NCA), A is nitrogen or phosphorus, R 1 and R 2 are hydrocarbyl groups or heteroatom-containing hydrocarbyl groups and together form a first, 3- to 10-membered non-aromatic ring with A, wherein any number of adjacent ring members may optionally be members of at least one second, aromatic or aliphatic ring or aliphatic and/or aromatic ring system of two or more rings, wherein said at least one second ring or ring system is fused to said first ring, and wherein any atom of the first and/or at least one second ring or ring system is a carbon atom or a heteroatom and may be substituted independently by one or more substituents selected from the group consisting of a hydrogen atom, halogen atom, C 1 to C 10 alkyl, C 5 to C 15 aryl, C 6 to C 25 arylalkyl, and C 6 to C 25 alkylaryl, and R 3 is a hydrogen atom or C 1 to C 10 alkyl, or R 3 is a C 1 to C 10 alkylene group that connects to said first ring and/or to said at least one second ring or ring system. The present application also relates to a process for the polymerization of olefins, preferably propylene, using this and other catalyst systems, as well as to polymers made by said process.

Productivity catalysts and microstructure control

Improved Group 3–11 transition metal based catalysts and processes for the polymerization of olefins are described. Some of the ligands are characterized by a preferred substitution pattern which allows for higher productivities of highly branched olefins; substitution patterns which boost productivity or alter the polymer microstructure are also described.

Polyethylene compositions having improved properties

Polyethylene compositions having improved properties are provided. In one aspect, a polyethylene composition having a long chain branching index (g'avg) of 0.5 to 0.9; a Melt Flow Rate (MFR) of greater than (49.011 x MI(-0.4304) ), where MI is Melt Index; and a weight average molecular weight to number average molecular weight (Mw/Mn) of less than or equal to 4.6 is provided.

Polyethylene compositions having improved properties

Polyethylene compositions having improved properties are provided. In one aspect, a polyethylene composition having a long chain branching index (g′ avg ) of 0.5 to 0.9; a Melt Flow Rate (MFR) of greater than (49.011×MI (−0.4304) ), where MI is Melt Index; and a weight average molecular weight to number average molecular weight (M w /M n ) of less than or equal to 4.6 is provided.

Method of preparing group 14 bridged biscyclopentadienyl ligands

The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyldisulfonates. Even more particularly, the present invention describes Group IV metallocenes containing diarylsilyl bridged bis-cyclopentadienyl ligands prepared from contacting a diarylsilyldisulfonate with an organometallic indenyl reagent.

Bridged biscyclopentadienyl ligands and method of preparation

The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyldisulfonates. Even more particularly, the present invention describes Group IV metallocenes containing diarylsilyl bridged bis-cyclopentadienyl ligands prepared from contacting a diarylsilyldisulfonate with an organometallic indenyl reagent.

Bridged biscyclopentadienyl ligands and method of preparation

The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyldisulfonates. Even more particularly, the present invention describes Group IV metallocenes containing diarylsilyl bridged bis-cyclopentadienyl ligands prepared from contacting a diarylsilyldisulfonate with an organometallic indenyl reagent.

Solid catalyst composition

Solid catalyst composition comprising a polymer matrix (A) and distributed therein a solid catalyst system (B), wherein (a) the solid catalyst system (B) comprises • a transition metal compound of formula (I) L m R n MX q , (I) wherein "M" is a transition metal of anyone of the groups 3 to 10 of the periodic table (IUPAC), each "X" is independently a monovalent anionic σ-ligand, each "L" is independently an organic ligand which coordinates to the transition metal (M), "R" is a bridging group linking two organic ligands (L), said organic ligands (L) and said bridging groups (R) do not comprise polymerizable olefϊnic groups, "m" is 2 or 3, "n" is 0, 1 or 2, "q" is 1, 2 or 3, m+q is equal to the valency of the transition metal (M), and • a cocatalyst (Co) comprising a compound of Al, and (b) the polymer matrix (A) is not covalent bonded to anyone of the organic ligands (L) and/or to anyone of the bridging groups (R) of the transition metal compound.

Catalyst

This invention relates to a process for making single site catalysts using surfactants free from perfluorinated octanoic acid and perfluorinated octanoic acid related compounds. The invention also relates to the use of such catalysts for the production of polyolefins as well as to the solid catalysts themselves.

METHOD OF PREPARATION OF BISCICLO-PENTADIENYL LIGANDS OF GROUP 14 WITH BRIDGE.

Un método de formación de un compuesto capaz de unirse con un metal de transición del grupo 4 para formar un componente catalizador de metaloceno adecuado para procesos de polimerización de olefinas, comprendiendo el método combinar en un disolvente adecuado un resto disulfonato de diarilmetal con un resto ciclopentadienilo organometálico para formar un compuesto bisciclopentadienilo con puente de diarilmetal. A method of forming a compound capable of bonding with a group 4 transition metal to form a metallocene catalyst component suitable for olefin polymerization processes, the method comprising combining in a suitable solvent a diarylmetal disulfonate moiety with a cyclopentadienyl moiety organometallic to form a biscyclopentadienyl compound with diarylmetal bridge.

Salts of lewis acid/acid adducts and catalyst activators therefrom

A compound useful as a cocatalyst or cocatalyst component, especially for use as an addition polymerization catalyst compound, corresponding to the formula: (A*hu +a) b (Z*J* j ) −c d , wherein: A* is a proton or a cation of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, said A* having a charge +a; Z* is an anion group of from 1 to 50 atoms, preferably 1 to 30 atoms, not counting hydrogen atoms, further containing two or more Lewis base sites, said Z* being the conjugate base of an inorganic Bronsted acid or a carbonyl- or non-cyclic, imino-group containing organic Bronsted acid; J* independently each occurrence is a Lewis acid of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, coordinated to at least one Lewis base site of Z*, and optionally two or more such J* groups may be joined together in a moiety having multiple Lewis acidic functionality; j is a number from 1 to 12; and a, b, c, and d are integers from 1 to 3, with the proviso that a×b is equal to c×d.

Catalyst System and Process for Olefin Polymerization

The present application relates to a new catalyst system for the polymerization of olefins, comprising a new ionic activator having the formula: [R 1 R 2 R 3 AH] + [Y] − , wherein [Y] − is a non-coordinating anion (NCA), A is nitrogen or phosphorus, R 1 and R 2 are hydrocarbyl groups or heteroatom-containing hydrocarbyl groups and together form a first, 3- to 10-membered non-aromatic ring with A, wherein any number of adjacent ring members may optionally be members of at least one second, aromatic or aliphatic ring or aliphatic and/or aromatic ring system of two or more rings, wherein said at least one second ring or ring system is fused to said first ring, and wherein any atom of the first and/or at least one second ring or ring system is a carbon atom or a heteroatom and may be substituted independently by one or more substituents selected from the group consisting of a hydrogen atom, halogen atom, C 1 to C 10 alkyl, C 5 to C 15 aryl, C 6 to C 25 arylalkyl, and C 6 to C 25 alkylaryl, and R 3 is a hydrogen atom or C 1 to C 10 alkyl, or R 3 is a C 1 to C 10 alkylene group that connects to said first ring and/or to said at least one second ring or ring system. The present application also relates to a process for the polymerization of olefins, preferably propylene, using this and other catalyst systems, as well as to polymers made by said process.

Salts of lewis acid/acid adducts and catalyst activators therefrom

A compound useful as a cocatalyst or cocatalyst component, especially for use as an addition polymerization catalyst compound, corresponding to the formula: (A* +a ) b (Z*J* j ) −c d , wherein: A* is a proton or a cation of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, said A* having a charge +a; Z* is an anion group of from 1 to 50 atoms, preferably 1 to 30 atoms, not counting hydrogen atoms, further containing two or more Lewis base sites, said Z* being the conjugate base of an inorganic Bronsted acid or a carbonyl- or non-cyclic, imino-group containing organic Bronsted acid; J* independently each occurrence is a Lewis acid of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, coordinated to at least one Lewis base site of Z*, and optionally two or more such J* groups may be joined together in a moiety having multiple Lewis acidic functionality; j is a number from 1 to 12; and a, b, c, and d are integers from 1 to 3, with the proviso that a×b is equal to c×d.

Salts of lewis acid/acid adducts and catalyst activators therefrom

A compound useful as a cocatalyst or cocatalyst component, especially for use as an addition polymerization catalyst compound, corresponding to the formula: (A* +a ) b (Z*J* j ) −c d , wherein: A* is a proton or a cation of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, said A* having a charge +a; Z* is an anion group of from 1 to 50 atoms, preferably 1 to 30 atoms, not counting hydrogen atoms, further containing two or more Lewis base sites, said Z* being the conjugate base of an inorganic Bronsted acid or a carbonyl- or non-cyclic, imino-group containing organic Bronsted acid; J* independently each occurrence is a Lewis acid of from 1 to 80 atoms, preferably 1 to 60 atoms, not counting hydrogen atoms, coordinated to at least one Lewis base site of Z*, and optionally two or more such J* groups may be joined together in a moiety having multiple Lewis acidic functionality; j is a number from 1 to 12; and a, b, c, and d are integers from 1 to 3, with the proviso that a×b is equal to c×d.

Haloaluminoxane compositions, their preparation, and their use in catalysis

Novel haloaluminoxane compositions have been formed. The halogen is fluorine, chlorine, and/or bromine, and the amount of halogen atoms present in said composition is in the range of about 0.5 mole % to about 15 mole % relative to aluminum atoms.

Haloaluminoxane compositions, their preparation, and their use in catalysis

Novel haloaluminoxane compositions have been formed. The halogen is fluorine, chlorine, and/or bromine, and the amount of halogen atoms present in said composition is in the range of about 0.5 mole % to about 15 mole % relative to aluminum atoms. Processes for producing haloaluminoxane compositions are also provided.

Haloaluminoxane compositions, their preparation, and their use in catalysis

Novel haloaluminoxane compositions have been formed. The halogen is fluorine, chlorine, and/or bromine, and the amount of halogen atoms present in said composition is in the range of about 0.5 mole % to about 15 mole % relative to aluminum atoms.

Haloaluminoxane compositions, their preparation, and their use in catalysis

Novel haloaluminoxane compositions have been formed. The halogen is fluorine, chlorine, and/or bromine, and the amount of halogen atoms present in said composition is in the range of about 0.5 mole % to about 15 mole % relative to aluminum atoms. Processes for producing haloaluminoxane compositions are also provided.

Productivity catalysts and microstructure control

Improved Group 3-11 transition metal based catalysts and processes for the polymerization of olefins are described. Some of the ligands are characterized by a preferred substitution pattern which allows for higher productivities of highly branched olefins; substitution patterns which boost productivity or alter the polymer microstructure are also described.

Bridged metallocene catalysts

A solid, particulate catalyst comprising: (i) a complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from -R '2 C-, -R' 2 C-CR' 2 -, -R' 2 Si-, -R' 2 Si-SiR' 2 -, -R' 2 Ge-, wherein each R' is independently a hydrogen atom, C1-C20-hydrocarbyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl; each R 1 is a C4-C20 hydrocarbyl radical branched at the β-atom to the cyclopentadienyl ring, optionally containing one or more heteroatoms belonging to groups 14-16, or is a C3-C20 hydrocarbyl radical branched at the β-atom to the cyclopentadienyl ring where the β-atom is an Si-atom; each R 18 is a C1-C20 hydrocarbyl radical optionally containing one or more heteroatoms belonging to groups 14-16; each R 4 is a hydrogen atom or a C 1-6 -hydrocarbyl radical; each W is a 5 or 6 membered aryl or heteroaryl ring wherein each atom of said ring is optionally substituted with at least one R 5 group; each R 5 is the same or different and is a C1-C20 hydrocarbyl radical optionally containing one or more heteroatoms belonging to groups 14-16; and optionally two adjacent R 5 groups taken together can form a further mono or multicyclic ring condensed to W optionally substituted by one or two groups R 5 ; and each R 7 is a C1-C20 hydrocarbyl radical; and (ii) a cocatalyst, preferably comprising an organometallic compound of a Group 13 metal.

Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefins

Catalyst compositions having Cs symmetry and processes utilizing Cs symmetric catalyst components for the polymerization of ethylenically unsaturated monomers to produce polymers, including copolymers or homopolymers. Monomers, which are polymerized or copolymerized include ethylene, C 3+ alpha olefins and substituted vinyl compounds, such as styrene and vinyl chloride. The catalyst component is characterized by the formula: wherein M is a Group 4-11 transition metal, n is an integer of from 1-3, Q is halogen or a C 1 -C 2 alkyl group, PY is a pyridinyl group, R′ and R″ are each C 1 -C 20 hydrocarbyl group, A 1 is a mononuclear aromatic group, and A 2 is a polynuclear aromatic group, such as a terphenyl group. The catalyst component is used with an activating co-catalyst component such as an alumoxane. Also disclosed is a process for the preparation of a pyridinyl-linked bis-amino ligand suitable for use in forming the catalyst component.

Transition metal complex compounds, olefin oligomerization catalysts including the compounds, and processes for producing olefin oligomers using the catalysts

The invention provides transition metal complex compounds, high-activity olefin oligomerization catalysts containing the compounds, and olefin oligomerization processes using the catalysts. A transition metal complex compound [A] according to the invention is represented by Formula (I) or Formula (I′) below. An olefin oligomerization catalyst includes the transition metal complex compound [A]. In an olefin oligomerization process of the invention, an olefin is oligomerized in the presence of the catalyst.

Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefins

Catalyst compositions having Cs symmetry and processes utilizing Cs symmetric catalyst components for the polymerization of ethylenically unsaturated monomers to produce polymers, including copolymers or homopolymers. Monomers, which are polymerized or copolymerized include ethylene, C 3+ alpha olefins and substituted vinyl compounds, such as styrene and vinyl chloride. The catalyst component is characterized by the formula: wherein M is a Group 4-11 transition metal, n is an integer of from 1-3, Q is halogen or a C 1 -C 2 alkyl group, PY is a pyridinyl group, R′ and R″ are each C 1 -C 20 hydrocarbyl group, A 1 is a mononuclear aromatic group, and A 2 is a polynuclear aromatic group, such as a terphenyl group. The catalyst component is used with an activating co-catalyst component such as an alumoxane. Also disclosed is a process for the preparation of a pyridinyl-linked bis-amino ligand suitable for use in forming the catalyst component.

Transition metal complex compounds, olefin oligomerization catalysts including the compounds, and processes for producing olefin oligomers using the catalysts

The invention provides transition metal complex compounds, high-activity olefin oligomerization catalysts containing the compounds, and olefin oligomerization processes using the catalysts. A transition metal complex compound [A] according to the invention is represented by Formula (I) or Formula (I′) below. An olefin oligomerization catalyst includes the transition metal complex compound [A]. In an olefin oligomerization process of the invention, an olefin is oligomerized in the presence of the catalyst.

具有改进性能的聚乙烯组合物

提供了具有改进性能的聚乙烯组合物。在一个方面中，提供了具有以下特征的聚乙烯组合物：0.5-0.9的长链支化指数(g’ avg )；大于(49.011×MI (-0.4304) )的熔体流动速率(MFR)，其中MI是熔体指数；和小于或等于4.6的重均分子量与数均分子量之比(M w /M n )。

Polymerization catalyst composition

Copolymerization of Ni(H) or Co(II) acenaphthene diimine complexes containing olefinic substituents on aryl groups in the presence of a free radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerization. These catalysts have high catalyst activity for olefin polymerization or oligomerization.