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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 3191. Отображено 100.
15-03-2012 дата публикации

Ethylene-a-olefin copolymer and article

Номер: US20120065352A1
Автор: Naoko Ochi, Yoshinobu Nozue
Принадлежит: Sumitomo Chemical Co Ltd

An ethylene-α-olefin copolymer comprising monomer units derived from ethylene and monomer units derived from an α-olefin having 3 to 20 carbon atoms, having a density (d) of 860 to 950 kg/m 3 , having a melt flow rate (MFR) of 0.05 to 100 g/10 min, having a ratio (Mw/Mn) of the weight average molecular weight (Mw) thereof to the number average molecular weight (Mn) thereof of 2 to 10, having a swell ratio (SR) of less than 1.35, and having a g* of 0.50 to 0.75.

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Номер записи: 1
13-12-2012 дата публикации

Modified phosphinimine catalysts for olefin polymerization

Номер: US20120316297A1
Автор: Benjamin Milton Shaw, Charles Ashton Garret Carter, Cliff Robert Baar, Lee Douglas Henderson, Peter Phung Minh Hoang, Victoria Ker, Yan Jiang
Принадлежит: Nova Chemicals International SA

Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.

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Номер записи: 2
04-04-2013 дата публикации

Dynamic Modulation of Metallocene Catalysts

Номер: US20130085232A1
Автор: Ian C. Stewart
Принадлежит: ExxonMobil Chemical Patents Inc

This invention relates to a process to alter comonomer distribution in a copolymer (as compared to a copolymer made absent the Lewis base modifier) comprising contacting ethylene and one or more C 3 to C 40 comonomers; with a catalyst system comprising: 1) a Lewis base modifier; 2) an activator; and 3) a bridged bisindenyl group 4 transition metal metallocene catalyst compound having a hydrogen atom at least one 2 position.

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Номер записи: 3
23-05-2013 дата публикации

Ti catalyst systems comprising substituted cyclopentadienyl, amidine and diene ligand

Номер: US20130131296A1
Автор: Alex Heath, Martin Alexander Zuideveld, Phllip Mountford, Richard T.W. Scott, Van Gerardus Henricus Josephus Doremaele
Принадлежит: Lanxess Elastomers BV

The invention relates to a catalyst system for the polymerization of olefins comprising a metal complex of formula CyLMD and an activating cocatalyst, wherein M is titanium, Cy is a cyclopentadienyl-type ligand, D is a diene, L is an amidinate-containing ligand of formula (1), wherein the amidinate-containing ligand is covalently bonded to the titanium via the imine nitrogen atom, Sub 1 is a substituent, which comprises a group 14 atom through which Sub 1 is bonded to the imine carbon atom, Sub 2 is a substituent, which comprises a nitrogen atom, through which Sub 2 is bonded to the imine carbon atom, and Cy is a mono- or polysubstituted cyclopentadienyl-type ligand, wherein the one or more substituents of Cy are selected from the group consisting of halogen, hydrocarbyl, silyl and germyl residues, optionally substituted with one or more halogen, amido, phosphido, alkoxy, or aryloxy residues. The invention further relates to a process for the preparation of a polymer comprising at least one aliphatic or aromatic hydrocarbyl C 2-20 olefin wherein the at least one aliphatic or aromatic olefin is contacted with the catalyst system of the present invention.

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Номер записи: 4
19-09-2013 дата публикации

Catalyst Component For High Activity And High Stereoselectivity In Olefin Polymerization

Номер: US20130244863A1
Автор: Demin Xu
Принадлежит: Formosa Plastics Corp USA

What is disclosed is a method for preparing a catalyst system and a catalyst system for polymerizing or copolymerizing an α-olefin. Catalyst component (A) is obtained by a process of reacting a magnesium complex (A-1) containing acid salts of group IB-VIIIB elements formed by contacting a magnesium halide with an acid salt solution of group IB-VIIIB metals or spherical particles adducts, an internal electron donor (A-2) of diester or diether or composite compounds, and a titanium compound (A-3). The catalyst compound (A) is contacted with a silicon compound (B) and an organoaluminium compound (C) to complete the catalyst system providing a good balance of catalyst performance in terms of activity and stereo-specificity.

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Номер записи: 5
19-09-2013 дата публикации

Preparation of a solid catalyst system

Номер: US20130245212A1
Автор: John Severn, Kalle Kallio, Marja Mustonen, Pertti Elo, Peter Denifl
Принадлежит: Borealis AG

Process for the preparation of a solid catalyst system comprising the steps of generating an emulsion by dispersing a liquid clathrate in a solution wherein (i) the solution constitutes the continuous phase of the emulsion and (ii) the liquid clathrate constitutes in form of droplets the dispersed phase of the emulsion, solidifying said dispersed phase to convert said droplets to solid particles and optionally recovering said particles to obtain said catalyst system, wherein the liquid clathrate comprises a lattice being the reaction product of aluminoxane, an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, and a further compound being effective to form with the aluminoxane and the organometallic compound the lattice, and a guest being an hydrocarbon compound, and the solution comprises a silicon fluid and a hydrocarbon solvent.

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Номер записи: 6
07-11-2013 дата публикации

Olefin block copolymer

Номер: US20130296517A1
Автор: Kyung-Seop Noh, Nan-Young Lee, Sang-Eun An, Sang-Jin Jeon, Won-Hee Kim
Принадлежит: LG Chem Ltd

The present description relates to an olefin block copolymer having excellences in elasticity, heat resistance, and processability. The olefin block copolymer includes a plurality of blocks or segments, each of which includes an ethylene or propylene repeating unit and an α-olefin repeating unit at different weight fractions. In the olefin block copolymer, a first derivative of the number Y of short-chain branches (SCBs) per 1,000 carbon atoms of each polymer chain contained in the block copolymer with respect to the molecular weight X of the polymer chains is a negative or positive number of −1.5×10 −4 or greater; and the first derivative is from −1.0×10 −4 to 1.0×10 −4 in the region corresponding to the median of the molecular weight X or above.

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Номер записи: 7
04-01-2018 дата публикации

A POLYOLEFIN COMPOSITION AND METHOD OF PRODUCING THE SAME

Номер: US20180002464A1
Автор: Brown Susan G., Carnahan Edmund M., Fontaine Philip P., Pearson David M., Young Andrew J.
Принадлежит: Dow Global Technologies LLC

The instant invention provides a polyolefin composition and method of producing the same. The olefin polymerization process according to the present invention comprises contacting one or more olefinic monomers with a biphenylphenolic polymerization catalyst under polymerization conditions and in the presence of one or more treated aluminum-based scavengers in a polymerization reactor, wherein said one or more treated aluminum-based scavengers comprise the reaction product of an alkylaluminum or an aluminoxane specie with a compound of the general Formula (I): wherein X is O, N, or S and R is alkyl, aryl, heteroalkyl, heteroaryl, or hydrogen, wherein n=1 if X is O or S and n=1 if X is N, and wherein at least one R is not a hydrogen; R—X—H (I); thereby producing a polyolefin composition which comprises less than 50% of the oligomer level of a polyolefin composition produced in an olefin polymerization process in the presence of said one or more untreated aluminum-based scavengers. 1. A process to mitigate oligomer formation in an olefin polymerization process in a polymerization reactor utilizing a biphenylphenolic polymerization catalyst comprising adding one or more treated aluminum-based scavengers to the polymerization reactor , wherein said one or more treated aluminum-based scavengers comprise the reaction product of an alkylaluminum or an aluminoxane specie with a compound of the general Formula I , wherein X is O , N , or S and R is alkyl , aryl , heteroalkyl , heteroaryl , or hydrogen , wherein n=1 if X is O or S and n=1 if X is N , and wherein at least one R is not a hydrogen;{'br': None, 'sub': 'n', 'R—X—H\u2003\u2003Formula I.'}2. The process according to claim 1 , wherein said treated aluminum-based scavengers is a butylated-hydroxytoluene (BHT) treated aluminum-based scavenger.3. The process according to claim 1 , wherein the aluminoxane specie is methylalumoxane.5. An olefin polymerization process comprising: {'br': None, 'sub': 'n', 'R—X—H\u2003\ ...

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Номер записи: 8
02-01-2020 дата публикации

Catalyst Compositions and Use Thereof

Номер: US20200002444A1
Автор: Donna J. Crowther, Hua Zhou, Jacqueline A. Lovell
Принадлежит: ExxonMobil Chemical Patents Inc

This invention relates to novel transition metal catalyst compounds comprising four oxygen atoms bonded to a transition metal where two of the oxygen groups are bond to the metal by dative bonds, catalyst systems comprising such and polymerization processes using such.

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Номер записи: 9
14-01-2021 дата публикации

HOT MELT ADHESIVE COMPOSITION CONTAINING A POLYOLEFIN - POLYDIORGANOSILOXANE COPOLYMER AND METHODS FOR THE PREPARATION AND USE THEREOF

Номер: US20210009880A1
Автор: Behr Michael, Gordon Glenn, Horstman John Bernard, Kean Zachary, Swier Steven
Принадлежит:

A hot melt adhesive composition includes a polyolefin-polydiorganosiloxane block copolymer, a polydiorganosiloxane, and a polyorganosilicate resin. The hot melt adhesive composition is useful in electronic device assembly processes. 5. The composition of claim 1 ,where{'sup': 5', '7, 'sub': 2', '2', 't', '2', 'u', 'g, '(i) each Rhas unit formula H[(CHCH)(CHRCH)],'}{'sup': 6', '7, 'sub': 2', '2', 't', '2', 'u', 'g, '(ii) each Rhas unit formula [(CHCH)(CHRCH)]; or'}{'sup': '7', '(iii) both (i) and (ii), where subscripts t and u have relative values such that 0 Подробнее

Номер записи: 10
21-01-2021 дата публикации

PROCESS FOR FUNCTIONALIZATION OF ORGANO-ZINC COMPOUNDS WITH HALOSILANES USING BASIC NITROGEN CONTAINING HETEROCYCLES AND SILYL-FUNCTIONALIZED COMPOUNDS PREPARED THEREBY

Номер: US20210017195A1
Автор: GRIGG Robert David, Hustad Phillip Dene, Kawamoto Ken, Mukhopadhyay Sukrit, Reddel Jordan, Swier Steven
Принадлежит:

A process to functionalize organo-zinc compounds with halosilane electrophiles employs a basic additive. The process includes combining the organo-zinc compound, a halosilanes, and a nitrogen containing heterocycle as the basic additive. The presence of the basic additive facilitates successful substitution. Functionalized silanes and silyl-terminated polyolefins can be prepared using this process. The functionalized silanes may be useful as endblockers for polyorganosiloxanes having SiH and/or silicon bonded aliphatically unsaturated groups capable of undergoing hydrosilylation. 1. A process for preparing a silyl-terminated polyolefin comprising: A) a polymeryl-zinc;', 'B) a nitrogen containing heterocycle, and', 'C) a halosilane;, '1) combining starting materials comprising'}thereby forming a product comprising the silyl-terminated polyolefin.2. The process of claim 1 , further comprising: forming the polymeryl-metal before step 1) by a process comprising combining starting materials comprisingi) an olefin monomer,ii) a catalyst, andiii) a chain shuttling agent of formula R2Zn, where each R is independently a monovalent hydrocarbyl group of 2 to 12 carbon atoms.3. The process of claim 2 , where the starting materials further comprise one or more additional materials selected from: iv) a solvent claim 2 , vi) a scavenger claim 2 , vii) an adjuvant claim 2 , and viii) a polymerization aid.4. The process of claim 1 , further comprising purifying A) the polymeryl-zinc before step 1).5. The process of claim 1 , where A) the polymeryl-zinc comprises A1) di-polyethylene zinc claim 1 , A2) polyethylene/octene zinc claim 1 , and a mixture of A1) and A2).7. A process for preparing a hydrocarbyl functional silane comprising: A) a chain shuttling agent of formula R2Zn, where each R is independently a monovalent hydrocarbyl group of 2 to 12 carbon atoms;', 'B) a nitrogen containing heterocycle, and', 'C) a halosilane;, '1) combining starting materials comprising'}thereby ...

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Номер записи: 11
21-01-2021 дата публикации

PROCESS FOR PRE-CONTACTING CATALYST COMPONENTS EX-REACTOR TO PRODUCE AMORPHOUS POLY ALPHA-OLEFINS

Номер: US20210017306A1
Автор: Arnold Mitchell, Fowler Nick, Oetting Steve, Sustic Andres
Принадлежит:

A continuous process for pre-contacting coordination polymerization catalyst components with each other before they are introduced into a polymerization reactor at 130 degrees Fahrenheit to 200 degrees Fahrenheit, where the activated coordination catalyst is contacted with at least one monomer to produce amorphous poly alpha olefin (APAO), the process involving blending a Ziegler-Natta pro-catalyst with a liquid carrier forming a Ziegler-Natta pro-catalyst slurry and flowing a co-catalyst mixture into the Ziegler-Natta pro-catalyst slurry continuously in a pre-contacting device, forming an activated Ziegler-Natta catalyst; continuously injecting the activated Ziegler-Natta catalyst into the heated polymerization reactor while simultaneously, and continuously, injecting propylene monomer and any other alpha-olefin monomers, and hydrogen gas for molecular weight control, initiating an exothermic reaction forming a monomer-polymer-catalyst slurry then continuously stirring the monomer-polymer-catalyst slurry forming an amorphous poly alpha olefin with a saturated backbone. 1. A continuous process for pre-contacting coordination polymerization catalyst components with each other and at least one monomer to produce amorphous poly alpha olefin (APAO) , the continuous process comprising:a. maintaining a polymerization reactor at a temperature from 130 degrees Fahrenheit to 200 degrees Fahrenheit;b. external to the polymerization reactor, blending a Ziegler-Natta pro-catalyst with a liquid carrier, the liquid carrier having a viscosity from 150 centiStoke (cSt) to 400 cSt as measured at 40 degrees Celsius, the pro-catalyst to liquid carrier being mixed in a ratio of 1 lbs:4 lbs to 1 lbs:20 lbs forming a Ziegler-Natta pro-catalyst slurry; (i) a co-catalyst, wherein the co-catalyst is at least one of a neat co-catalyst and a diluted co-catalyst, the co-catalyst being an alkylated metal from Group 13 of the periodic table; and', '(ii) optionally, a diluted external electron ...

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Номер записи: 12
23-01-2020 дата публикации

CAPPED MULTI- OR DUAL-HEADED COMPOSITIONS USEFUL FOR CHAIN SHUTTLING AND PROCESS TO PREPARE THE SAME

Номер: US20200024380A1
Автор: Carnahan Edmund M., Sun Lixin, Walton Kim L., ZHOU Zhe
Принадлежит:

The present disclosure relates to a capped, multi- or dual-headed chain composition comprising derivatives of a strained olefin. The present disclosure further relates to a process for synthesizing the capped, multi- or dual-headed composition by using an organometallic compound and a co-catalyst in the presence of a catalyst precursor and a strained olefm. The present disclosure further relates to use of the compositions, as well as the process to make the same, in olefin polymerization. 5. The composition of having the following structural formula:wherein:{'sub': '1-20', 'J1 is hydrogen or a Calkyl group; and'}{'sub': '4-100', 'ZZ is a linear or branched Chydrocarbyl group that optionally includes at least one heteroatom, and wherein ZZ may be aliphatic or aromatic.'}6. The composition of claim 5 , wherein YY is a derivative of an alpha claim 5 , omega-diene.14. The process of claim 9 , wherein the organometallic compound comprises a trivalent metal claim 9 , a divalent metal claim 9 , or a mixture of a trivalent metal and a divalent metal.15. A polymerization process for preparing a polymer composition claim 9 , the process comprising:contacting at least one olefin monomer with a catalyst composition; wherein{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the catalyst composition comprises the reaction product of a second catalyst precursor, a co-catalyst, and the composition of .'}16. A polymerization process for preparing a polymer composition claim 9 , the process comprising:contacting at least one olefin monomer with a catalyst composition; wherein{'claim-ref': {'@idref': 'CLM-00009', 'claim 9'}, 'the catalyst composition comprises the reaction product of a second catalyst precursor, a co-catalyst, and the composition prepared according to the process of .'}17. A polymerization process for preparing a polymer composition claim 9 , the process comprising:contacting at least one olefin monomer with a catalyst composition;{'claim-ref': {'@idref': 'CLM-00009', ...

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Номер записи: 13
01-02-2018 дата публикации

METHOD OF REDUCING DRAG IN A CONDUIT

Номер: US20180030178A1
Автор: Al-Malki Abdullah Raddad, Al-Sarkhi Abdel Salam, Al-Thenayan Faisal Mohammed, Atiqullah Muhammad, Hossaen Anwar, XU WEI
Принадлежит:

A method of reducing drag in a conduit. The method includes producing ultra high molecular weight (UHMW) C-Cα-olefin drag reducing agent (DRA) and introducing the UHMW C-Cα-olefin polymer DRA into the conduit to reduce drag in the conduit. The catalyst consists essentially of at least one tertiary monophenyl amine selected from the group consisting of N,N-diethylaniline, N-ethyl-N-methylparatolylamine, N,N-dipropylaniline, N,N-diethylmesitylamine, and combinations thereof; at least one titanium halide having a formula TiX, where m is from 2.5 to 4.0 and X is a halogen containing moiety; and at least one cocatalyst having a formula AlRYwhere R is a hydrocarbon radical, Y is a halogen or hydrogen, and n is 1-20. Further, the catalyst is absent of a carrier or support. 1. A method of reducing drag in a conduit comprising:{'sub': 4', '30, 'claim-text': at least one tertiary monophenyl amine selected from the group consisting of N,N-diethylaniline, N-ethyl-N-methylparatolylamine, N,N-dipropylaniline, N,N-diethylmesitylamine, and combinations thereof;', {'sub': 'm', 'at least one titanium halide having a formula TiX, where m is from 2.5 to 4.0 and X is a halogen containing moiety; and'}, {'sub': n', '3-n, 'at least one cocatalyst having a formula AlRYwhere R is a hydrocarbon radical, Y is a halogen or hydrogen, and n is 1-3; and'}], 'producing a UHMW C-Cα-olefin copolymer DRA by polymerizing in a reactor a first α-olefin monomer in the presence of a catalyst and a hydrocarbon solvent, where the catalyst consists essentially of{'sub': 4', '30, 'introducing the UHMW C-Cα-olefin polymer DRA into the conduit to reduce drag in the conduit.'}2. The method of where the UHMW C-Cα-olefin polymer DRA has a non-crystalline structure.3. The method of where the UHMW C-Cα-olefin polymer DRA has a molecular weight distribution (MWD) of at least 3.25 claim 1 , where MWD is defined as M/Mwith Mw being a weight average molecular weight and Mbeing a number average molecular weight.4. The ...

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Номер записи: 14
31-01-2019 дата публикации

Method for manufacturing copolymer and rubber composition containing the same

Номер: US20190031796A1
Автор: Jae Young KO, June Park
Принадлежит: Korea Kumho Petrochemical Co Ltd

According to an embodiment of the present invention, there is provided a method of preparing a copolymer which includes (a) polymerizing an aromatic vinyl monomer and a conjugated diene-based monomer in the presence of a solvent, a first randomizing agent, and a catalyst to prepare a first copolymer including the aromatic vinyl monomer in an amount of 15 to 40 wt %; and (b) reacting the first copolymer with one or more of a second randomizing agent different from the first randomizing agent and an additional aromatic vinyl monomer to prepare a second copolymer.

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Номер записи: 15
30-01-2020 дата публикации

PHOSPHAGUANIDINE GROUP IV METAL OLEFIN POLYMERIZATION CATALYSTS

Номер: US20200031960A1
Автор: Camelio Andrew M., Christianson Matthew D., Froese Robert DJ
Принадлежит: Dow Global Technologies LLC

Embodiments are directed to phosphaguanidine metal complexes of formula I and using those complexes in α-olefin polymerization systems. 2. The phosphaguanidine complex according to claim 1 , wherein X is chosen from methyl claim 1 , trimethylsilylmethylene claim 1 , benzyl claim 1 , chloro claim 1 , or NMemoieties; Rand Rinclude the same or different moieties chosen from unsubstituted phenyl rings claim 1 , substituted phenyl rings claim 1 , substituted cyclohexyl groups claim 1 , or unsubstituted cyclohexyl groups; Rinclude a lone pair of electrons claim 1 , or a heteroatom selected from oxygen claim 1 , sulfur claim 1 , nitrogen claim 1 , boron or a combination thereof; and Rand Rare independently chosen from hydride claim 1 , alkyl claim 1 , methyl claim 1 , ethyl claim 1 , iso-propyl claim 1 , cyclohexyl tert-butyl claim 1 , adamantyl claim 1 , neopentyl claim 1 , phenethyl claim 1 , benzyl claim 1 , substituted or non-substituted phenyl moieties.5. A polymerization catalyst system comprising the phosphaguanidine complex of .6. The polymerization catalyst system according to claim 1 , wherein the polymerization catalyst system comprises a chain transfer agent.7. The polymerization catalyst system according to claim 1 , wherein the chain transfer agent in the polymerization catalyst system is diethyl zinc.8. An ethylene homopolymer produced from the polymerization catalyst according to .9. An α-olefin homopolymer produced from the polymerization catalyst according to claim 1 , wherein the α-olefin is comprised of a C-Cmoiety.10. The α-olefin homopolymer according to wherein the α-olefin is 1-octene.11. An ethylene/α-olefin copolymer produced from the polymerization catalyst according to claim 1 , wherein the α-olefin comprises at least one C-Cα-olefin comonomer.12. The ethylene/α-olefin copolymer according to claim 11 , wherein the α-olefin is 1-octene. This application claims priority to U.S. Provisional Application 62/402,554, filed Sep. 30, 2016, which is ...

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Номер записи: 16
24-02-2022 дата публикации

SUPPORTED THREE-CENTER CATALYST AND PREPARATION METHOD AND APPLICATION

Номер: US20220056165A1
Автор: Jin Yulong, Liu Boping
Принадлежит: SOUTH CHINA AGRICULTURE UNIVERSITY

A supported three-center catalyst, a preparation method and the use are provided. The catalyst comprises a porous inorganic carrier, an organic chromium active component, an inorganic chromium active component and an inorganic vanadium active component, and may further comprise a catalyst modifying component. A method involves, by means of one or more steps of dipping and drying or dipping, drying and high-temperature roasting procedures, respectively converting an organic chromium source, a chromium source, a vanadium source and a Q component into an organic chromium active component precursor, an inorganic chromium active component precursor, an inorganic vanadium active component precursor and a catalyst modifying component that are supported on the surface of the porous inorganic carrier, and then activating same with an organometallic cocatalyst or a polymerization monomer, so as to obtain the supported three-center catalyst. 1. A supported three-center catalyst , characterized in that it comprises a porous inorganic carrier , an organic chromium active component , an inorganic chromium active component and an inorganic vanadium active component; or , in addition to the porous inorganic carrier , the organic chromium active component , the inorganic chromium active component , and the inorganic vanadium active component , the catalyst further comprises a catalyst modification component;the organic chromium active component is obtained after a precursor of the organic chromium active component is activated by an organometallic co-catalyst or a polymerization monomer, and the precursor of the organic chromium active component is obtained by loading an organic chromium source comprising at least one of a cyclopentadienyl ligand, an indenyl ligand, a fluorenyl ligand, a cyclopentadienyl derivative ligand, an indenyl derivative ligand, and a fluorenyl derivative ligand on the surface of the porous inorganic carrier;the inorganic chromium active component is obtained ...

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Номер записи: 17
24-02-2022 дата публикации

METHOD OF PREPARING SOLUBILIZED CATALYST COMPLEX, THE SOLUBILIZED CATALYST FORMULATION, AND METHOD OF CATALYTIC OLEFIN POLYMERIZATION

Номер: US20220056166A1
Автор: Boucher-Jacobs Camille, GUIRONNET Damien
Принадлежит:

The inventors have discovered a method of comprising formation of water soluble catalyst precursor by combining a Group 8 to Group 11 transition metal containing catalyst and a surfactant. The surfactant is characterized by the presence of a hydrophobic segment and a hydrophilic segment. It is believed that the surfactant replaces the labile ligand on the catalyst precursor structure by simple ligand substitution. The precursor is then contacted with one or more monoethylenically unsaturated monomers under polymerization conditions to form a polymer. 1. A method comprising:combining an organic soluble Group 8 to Group 11 transition metal catalyst precursor, wherein the organic soluble catalyst precursor includes a chelating ligand and a labile ligand, with a surfactant in an aqueous solution to form a water soluble catalyst precursor.2. The method of wherein the surfactant complexes with the organic soluble catalyst by ligand substitution with the labile ligand.3. The method of any of the previous claims claim 1 , wherein the surfactant comprises a polyethylene glycol moiety and a hydrocarbon moiety claim 1 , and claim 1 , optionally claim 1 , an anionic moiety.4. The method of claim 3 , wherein the anionic moiety is selected from the group consisting of a sulfate claim 3 , a sulfonate claim 3 , a phosphate claim 3 , a phosphonate claim 3 , a carboxylate claim 3 , and a combination thereof.5. The method of any one of the preceding claims claim 3 , wherein the organic soluble catalyst precursor is an aromatic phosphinosulfonate palladium catalyst.7. The method of wherein M is Pd claim 6 , L is DMSO claim 6 , n is 0 claim 6 , Ar is an aromatic ring having alkoxy substitution wherein the alkoxy group has from 1 to 5 carbon atoms.9. The catalyst precursor of wherein M is Pd claim 8 , n is 0 claim 8 , Ar is an aromatic ring having alkoxy substitution wherein the alkoxy group has from 1 to 5 carbon atoms claim 8 , and L is comprises a polalkylene glycol hydrophilic ...

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Номер записи: 18
24-02-2022 дата публикации

PROCESS FOR THE PREPARATION OF A COLORED POLYPROPYLENE

Номер: US20220056174A1
Автор: Brita Diego, Cavalieri Claudio
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

A process for the preparation of a propylene polymer containing a coloring agent in an amount ranging from 0.2 to 30 ppm referred to the weight of propylene polymer, including the steps of: a) providing a solid ZN catalyst component made from or containing Mg, Ti, halogen and an internal electron donor compound, wherein the Ti being in an amount ranging from 0.1 to 10% of the total weight of solid catalyst component; b) providing a coloring agent made from or containing at least a pigment; c) mixing the ZN catalyst particles and the coloring agent in a liquid hydrocarbon medium, thereby obtaining a slurry and d) feeding the slurry to a polymerization reactor and subjecting the reactor to polymerization conditions, thereby yielding the propylene polymer. 1. A process for the preparation of a propylene polymer containing a coloring agent in an amount ranging from 0.2 to 30 ppm referred to the weight of propylene polymer , comprising the steps of:a) providing a solid ZN catalyst component comprising Mg, Ti, halogen and an internal electron donor compound, wherein the Ti being in an amount ranging from 0.1 to 10% of the total weight of solid catalyst component;b) providing a coloring agent comprising at least a pigment;c) mixing the ZN catalyst particles and the coloring agent in a liquid hydrocarbon medium, thereby obtaining a slurry; andd) feeding the slurry to a polymerization reactor and subjecting the reactor to polymerization conditions, thereby yielding the propylene polymer.2. The process according to claim 1 , wherein the ZN catalyst has a regular morphology and is obtained by reacting Ti-halides with precursors comprising adducts of formula MgCl(ROH)where Ris a C-Calkyl group claim 1 , and n is from 2 to 6.3. The process according to claim 1 , wherein claim 1 , in the ZN catalyst component the amount of Mg ranges from 8 to 30% and the amount of Ti ranges from 0.5 to 8% wt with respect to the total weight of solid catalyst component.4. The process according to ...

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Номер записи: 19
07-02-2019 дата публикации

Bisphenolate Transition Metal Complexes, Production and Use Thereof

Номер: US20190040161A1
Автор: Catherine A. Faler, Crisita Carmen H. Atienza, David A. Cano
Принадлежит: ExxonMobil Chemical Patents Inc

Bis phenolate transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.

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Номер записи: 20
22-02-2018 дата публикации

CATALYST COMPOSITION FOR MAKING ULTRA HIGH MOLECULAR WEIGHT POLY (ALPHA-OLEFIN) DRAG REDUCING AGENTS

Номер: US20180051110A1
Автор: Al-Malki Abdullah Raddad, Al-Sarkhi Abdel Salam, Al-Thenayan Faisal Mohammed, Atiqullah Muhammad, Hossaen Anwar, XU WEI
Принадлежит:

A catalyst consisting essentially of at least one tertiary monophenyl amine having a formula RRN-aryl, where Rand Rare the same or different, and each is a hydrogen, an alkyl, or a cycloalkyl group, where at least one of Rand Rcontain at least one carbon atom; at least one titanium halide having a formula TiX, where m is from 2.5 to 4.0 and X is a halogen containing moiety; and at least one cocatalyst having a formula AlRYwhere R is a hydrocarbon radical, Y is a halogen or hydrogen, and n is 1-3. Further, the catalyst is absent of a carrier or support. 1. A catalyst consisting essentially of:{'sup': 1', '2', '1', '2', '1', '2, 'at least one tertiary monophenyl amine having the formula RRN-aryl, where Rand Rmay each be a hydrogen, an alkyl, or a cycloalkyl group with the proviso that at least one of Rand Rcontains at least one carbon atom;'}{'sub': 'm', 'at least one titanium halide having a formula TiX, where m is from 2.5 to 4.0 and X is a halogen containing moiety; and'}{'sub': n', '3-n, 'at least one cocatalyst having a formula AlRYwhere R is a hydrocarbon radical, Y is a halogen or hydrogen, and n is 1-3,'}where the catalyst is absent a carrier or support.2. The catalyst of where at least one tertiary monophenyl amine is selected from the group consisting of N claim 1 ,N-diethylaniline claim 1 , N-ethyl-N-methylparatolylamine claim 1 , N claim 1 ,N-dipropylaniline claim 1 , N claim 1 ,N-diethylmesitylamine claim 1 , and combinations thereof.3. The catalyst of where the cocatalyst is Al(CHCH)Cl.4. The catalyst of where the titanium halide is TiCl⅓AlCl.5. The catalyst of where the cocatalyst comprises one or more organoaluminum compounds selected from the group consisting of trimethyl aluminum claim 1 , triethyl aluminum claim 1 , tri-n-proyl aluminum claim 1 , tri-n-butyl aluminum claim 1 , tri-isobutyl aluminum claim 1 , tri-n-hexyl aluminum claim 1 , tri(2-methylpentyl) aluminum claim 1 , tri-n-octyl aluminum claim 1 , diethyl aluminum hydride claim 1 , ...

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Номер записи: 21
01-03-2018 дата публикации

CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS

Номер: US20180057620A1
Автор: Chevalier Reynald, Mignogna Alessandro, Morini Giampiero
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

A solid catalyst component for the polymerization of olefins made from or containing Mg, Ti, halogen and an electron donor of formula (I) or (II) 2. The catalyst component according to claim 1 , wherein the electron donor of formula (II) the aromatic ring is substituted in position 3 and/or 6 with a primary alkyl group.3. The catalyst component according to claim 2 , wherein the primary alkyl group is methyl.4. The catalyst component according to claim 1 , wherein the electron donor of formula (II) the aromatic ring is substituted in position 4 claim 1 , in position 5 claim 1 , or in both positions with a tertiary alkyl group.5. The catalyst component according to claim 4 , wherein the tertiary alkyl group is t-butyl.6. The catalyst component according to claim 1 , wherein the electron donor of formula (II) n is 1.7. The catalyst component according to claim 1 , wherein Rgroups are independently selected from the group consisting of C-Calkyl groups claim 1 , C-Caryl groups claim 1 , C-Ccycloalkyl groups claim 1 , and C-Carylalkyl or alkylaryl groups and R-Rgroups are hydrogen or have the same meaning as R.8. The catalyst component according to claim 7 , wherein R claim 7 , Rand Rgroups are independently selected from C-Calkyl groups.9. The catalyst component according to claim 8 , wherein R claim 8 , Rand Rgroups are ethyl.10. The catalyst component according to claim 1 , wherein X is OR.11. The catalyst component according to claim 1 , wherein the final amount of electron donor compound in the solid catalyst component ranges from 1 to 25% by weight with respect to the total weight of the solid catalyst component.12. A catalyst for the polymerization of olefins comprising the product of the reaction between:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(i) the solid catalyst component according to and'}(ii) an alkylaluminum compound and optionally,(iii) an external electron donor compound.13. The catalyst according to claim 12 , further comprising an external ...

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Номер записи: 22
01-03-2018 дата публикации

CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS

Номер: US20180057621A1
Автор: Mignogna Alessandro, Morini Giampiero
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

A solid catalyst component for the polymerization of olefins made from or containing Mg, Ti, halogen and an electron donor of formula (I) or (II): 2. The catalyst component according to claim 1 , wherein the electron donor of formula (I) has at least one of the R-Rgroups as a C-Chydrocarbon radicals.3. The catalyst component according to claim 2 , wherein at least one of R-Rgroups is a C-Calkyl group.4. The catalyst component according to claim 3 , wherein both Rand Rare C-Calkyl groups.5. The catalyst component according to claim 1 , wherein at least one of the Rto Rgroups is different from hydrogen.6. The catalyst component according to claim 5 , wherein the aromatic ring is substituted in position 3 claim 5 , in position 5 claim 5 , or in both positions with a C-Calkyl group.7. The catalyst component according to claim 6 , wherein the alkyl group in position 5 is a secondary or tertiary alkyl group.8. The catalyst component according to claim 1 , wherein n is 1.9. The catalyst component according to claim 8 , wherein both Rand Rare hydrogen.10. The catalyst component according to claim 1 , wherein Rand Rgroups are independently selected from the group consisting of C-Calkyl groups claim 1 , C-Caryl groups claim 1 , C-Ccycloalkyl groups claim 1 , and C-Carylalkyl or alkylaryl groups.11. The catalyst component according to claim 10 , wherein Rand Rgroups are independently selected from the group consisting of C-Calkyl groups.12. The catalyst component according to claim 11 , wherein Rand Rgroups are ethyl.14. The catalyst according to further comprising an external electron donor compound. In general, the present disclosure relates to the field of chemistry. More specifically, the present disclosure relates to polymer chemistry. In particular, the present disclosure relates to catalyst components for the polymerization of olefins made from or containing a Mg dihalide based support on which are supported Ti atoms and an electron donor compound containing an ester ...

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Номер записи: 23
20-02-2020 дата публикации

Means For Increasing the Molecular Weight and Decreasing the Density of Ethylene Interpolymers Employing Homogeneous and Heterogeneous Catalyst Formulations

Номер: US20200056025A1
Автор: Carter Charles, Dobbin Christopher, Kazemi Niousha, Keshtkar Mehdi, Khakdaman Hamidreza, Kleczek Monika, Molloy Brian, Salomons Stephen, Sibtain Fazle, Taylor Kenneth, VanAsseldonk Lawrence, Wang Qinyan, Wang XiaoChuan, Zhang Zengrong, Zoricak Peter
Принадлежит: NOVA CHEMICALS (INTERNATIONAL) S.A.

A continuous solution polymerization process is disclosed wherein at least two catalyst formulations are employed. A first homogeneous catalyst formulation is employed in a first reactor to produce a first ethylene interpolymer and a first heterogeneous catalyst formulation is employed in a second reactor to produce a second ethylene interpolymer. Optionally a third ethylene interpolymer is formed in a third reactor. The resulting ethylene interpolymer products possess desirable properties in a variety of end use applications, for example in film applications. A means for increasing the molecular weight of the first ethylene interpolymer is disclosed and/or a means for increasing the temperature of the first reactor, relative to a third homogeneous catalyst formulation. A means for reducing the (α-olefin/ethylene) weight ratio in the first reactor is disclosed and/or reducing the density of the first ethylene interpolymer, relative to a third homogeneous catalyst formulation. 1139-. (canceled)141. The process according to further comprising:a) optionally adding a catalyst deactivator A to the third exit stream, downstream of the first and the second reactor, forming a deactivated solution A;b) adding a catalyst deactivator B to the fourth exit stream, downstream of the third reactor, forming a deactivated solution B; with the proviso that step b) is skipped if the catalyst deactivator A is added in step a); andc) phase separating the deactivated solution A or B to recover the ethylene interpolymer product.142. The process according to claim 141 , further comprising:d) adding a passivator to the deactivated solution A or B forming a passivated solution; ande) phase separating the passivated solution to recover the ethylene interpolymer product.144. The process according to comprising the following molar ratios in the first reactor:a molar ratio of component B to component A from about 0.3:1 to about 10:1;a molar ratio of component M to component A from about 1:1 to ...

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Номер записи: 24
17-03-2022 дата публикации

CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS

Номер: US20220081497A1
Автор: Collina Gianni, Evangelisti Daniele, Fusco Ofelia, Gaddi Benedetta, GESSI PIERO
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

A solid catalyst component for the polymerization of olefins made from or containing Mg, Ti, halogen, and an electron donor compound selected from glutarates, wherein the catalyst has specific porosity features. 1. A solid catalyst component for the polymerization of olefins comprising Mg , Ti , halogen , and an electron donor compound selected from glutarates , wherein the catalyst having a total porosity (measured by mercury intrusion method) , deriving from pores with radius up to 1000 nm , of at least 0.20 cm/g , providing that more than 50% of the porosity derives from pores having radius from 1 to 100 nm.2. The solid catalyst component of claim 1 , wherein the total mercury porosity ranges from 0.25 to 0.80 cm/g.3. The solid catalyst component of claim 1 , wherein the porosity fraction deriving from pores having radius from 1 to 100 nm ranges from at least 50% to 90% of the total porosity.4. The solid catalyst component of claim 3 , wherein the porosity fraction deriving from pores having radius from 1 to 100 nm ranges from 55% to 85% of the total porosity.6. The solid catalyst component of claim 5 , wherein Ris H and Ris selected from linear or branched C-Calkyl claim 5 , cycloalkyl claim 5 , aryl claim 5 , arylalkyl and alkylaryl groups.7. The solid catalyst component of claim 5 , wherein both Rand Rare different from hydrogen and selected from linear or branched C-Calkyl claim 5 , cycloalkyl claim 5 , aryl claim 5 , arylalkyl and alkylaryl groups.8. The solid catalyst component of claim 7 , wherein both Rand Rare selected from C-Clinear alkyl groups.9. The solid catalyst component of claim 5 , wherein Rand Rare primary alkyl claim 5 , arylalkyl or alkylaryl groups having from 1 to 10 carbon atoms.10. The solid catalyst component of claim 1 , wherein the Ti atom belong to titanium compounds having the formula Ti(OR)Xwherein n is between 0 and y; y is the valence of titanium; X is chlorine and Ris a hydrocarbon radical.11. The solid catalyst component of ...

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Номер записи: 25
17-03-2022 дата публикации

Curable compositions comprising unsaturated polyolefins

Номер: US20220081500A1
Автор: Colin Li Pi Shan, Edmund M. Carnahan, Endre Szuromi, Jeffrey C. Munro, Johnathan E. DELORBE, Juan C. TUBERQUIA, Lixin Sun
Принадлежит: Dow Global Technologies LLC

The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

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Номер записи: 26
08-03-2018 дата публикации

Catalyst Component for High Activity and high Stereoselectivity in Olefin Polymerization

Номер: US20180066084A1
Автор: Demin Xu
Принадлежит: Formosa Plastics Corp USA

What is disclosed is a method for preparing a catalyst system and a catalyst system for polymerizing or copolymerizing an α-olefin. Catalyst component (A) is obtained by a process of reacting a magnesium complex (A-1) containing acid salts of group IB-VIIIB elements formed by contacting a magnesium halide with an acid salt solution of group IB-VIIIB metals or spherical particles adducts, an internal electron donor (A-2) of diester or diether or composite compounds, and a titanium compound (A-3). The catalyst compound (A) is contacted with a silicon compound (B) and an organoaluminium compound (C) to complete the catalyst system providing a good balance of catalyst performance in terms of activity and stereo-specificity.

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Номер записи: 27
05-03-2020 дата публикации

SOLID CATALYST COMPONENT FOR USE IN OLEFIN POLYMERISATION, CATALYST, AND APPLICATION THEREOF

Номер: US20200071430A1
Автор: Chen Hao, DAI Jinsong, Gao Yong, HU Le, JIAO Wenjie, LI Huashu, LI Shuhang, MA Qingli, WANG Zhiwu, Zhang Junwei
Принадлежит:

Provided in the present invention is a solid catalyst component for use in olefin polymerisation, comprising Mg, Ti, a halogen, and at least one electron donor, the electron donor being a 2-substituted amino-phenyl ester compound selected from general formula (I). Also disclosed in the present invention are a catalyst comprising the solid catalyst component, and an application for the catalyst in olefin polymerisation, particularly in propylene polymerization. Also provided in the present invention is a high activity catalyst, said catalyst being able to obtain polypropylene of high isotacticity and wide molecular weight distribution, and not requiring an external electron donor to obtain high isotacticity polypropylene; during polymerization, Al/Ti and Al/Si are reduced, the polymerization time is lengthened, and high activity can still be maintained, suitable for producing low-ash polymers. 2. The solid catalyst component according to claim 1 , wherein the electron donor further includes an electron donor B selected from a Lewis base compound containing one or more electronegative groups.3. The solid catalyst component according to claim 2 , wherein the electron donor A and B have a molar ratio of 0.01 to 100.4. The solid catalyst component according to claim 1 , wherein in general formula (I) claim 1 , R claim 1 , R claim 1 , Rand R4 are the same or different and are selected from: H claim 1 , halogen claim 1 , C-C(linear or branched alkyl claim 1 , cycloalkyl claim 1 , alkenyl claim 1 , ester group claim 1 , phenyl claim 1 , alkylphenyl claim 1 , phenylalkyl claim 1 , indenyl claim 1 , benzyl claim 1 , halo or alkyl claim 1 , cycloalkyl claim 1 , phenyl claim 1 , alkylphenyl claim 1 , phenylalkyl claim 1 , indenyl or benzyl group substituted with N claim 1 , O claim 1 , S claim 1 , P claim 1 , Si heteroatoms claim 1 , or a heterocyclic aryl substituent);{'sup': 1', '2', '3', '4, 'wherein two or more of R, R, Rand Rmay be bonded to each other to form a saturated ...

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Номер записи: 28
05-03-2020 дата публикации

Processes for Preparing a Catalyst System and Polymerizing Olefins

Номер: US20200071438A1
Автор: Brandl Corrine L., Ehrman Fred D., Kuo Chi-I, Smith Edward F.
Принадлежит:

A process for preparing a catalyst system including contacting one or more catalysts having a Group 3 through Group 12 metal atom or lanthanide metal atom with a methylalumoxane and one or more support material compositions to a concentration of methylalumoxane of about 4 mmol to about 15 mmol aluminum per gram of support material is provided. The support material composition may have a macroporosity of from about 0.18 cc/g to about 0.50 cc/g. In other embodiments, a process for polymerizing at least one olefin to produce a polyolefin composition including contacting one or more olefins with the aforementioned catalyst system is also provide. 1. A process for preparing a catalyst system , the process comprising:contacting one or more catalysts having a Group 3 through Group 12 metal atom or lanthanide metal atom with methylalumoxane and one or more support material compositions having a macroporosity from about 0.18 cc/g to about 0.30 cc/g to a concentration of methylalumoxane of about 4 mmol to about 15 mmol aluminum per gram of support material.2. The process of claim 1 , wherein the one or more catalysts are contacted with methylalumoxane and the one or more support material compositions in the presence of toluene.3. The process of claim 2 , further comprising removing a portion of the toluene after contacting.4. The process of claim 1 , wherein the one or more catalysts are selected from the group consisting of a metallocene catalyst compound claim 1 , a bis(phenolate) catalyst compound claim 1 , and combinations thereof.5. The process of claim 1 , wherein the one or more support material compositions comprise AlO claim 1 , ZrO claim 1 , SiO claim 1 , SiO/AlO claim 1 , SiO/TiO claim 1 , silica-alumina claim 1 , silica clay claim 1 , silicon oxide/clay claim 1 , or a combinations thereof.6. The process of claim 1 , wherein the methylalumoxane is present at a molar ratio of aluminum to catalyst metal of about 50:1 or less.7. The process of claim 1 , wherein the ...

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Номер записи: 29
14-03-2019 дата публикации

METHOD FOR PRODUCING OLIGOMER AND CATALYST

Номер: US20190077888A1
Автор: AIDA Fuyuki, Tagawa Kazuo
Принадлежит: JXTG NIPPON OIL & ENERGY CORPORATION

The present invention provides a method for preparing an oligomer and a catalyst comprising a step of oligomerizing a polymerizable monomer containing an olefin in the presence of a catalyst, which comprises (A) a complex of a diimine compound and at least one metal selected from the group consisting of Group 8 elements, Group 9 elements and Group 10 elements, (B) a mixture of a pyridine diimine compound and an iron salt and/or an iron complex, (C) methylaluminoxane and/or a boron compound, and (D) an organoaluminum compound other than methylaluminoxane and/or an organozinc compound. The components (A), (B), (C) and (D) described above are respectively as defined in the present Description. 2. The method according to claim 1 , wherein a number average molecular weight (Mn) of the oligomer is 200 to 5000.3. The method according to claim 1 , wherein the organoaluminum compound is at least one selected from the group consisting of trimethylaluminum claim 1 , triethylaluminum claim 1 , triisopropylaluminum claim 1 , tripropylaluminum claim 1 , tributylaluminum claim 1 , triisobutylaluminum claim 1 , trihexylaluminum claim 1 , triphenylaluminum claim 1 , diethylaluminum chloride claim 1 , ethylaluminum dichloride and ethylaluminum sesquichloride.4. The method according to claim 1 , wherein the organozinc compound is at least one selected from the group consisting of dimethylzinc claim 1 , diethylzinc and diphenylzinc. The present invention relates to a method for preparing an oligomer and a catalyst, particularly to a method for preparing an oligomer from a polymerizable monomer containing an olefin and a catalyst.As Catalysts used for the copolymerization of ethylene and an α-olefin, catalysts consisting of a metallocene compound and methylaluminoxane, palladium catalysts, iron catalysts and cobalt complexes are known (Non Patent Literatures 1 to 3, Patent Literatures 1 to 3).Further, iron complexes are also known as the catalyst for ethylene polymerization (Non Patent ...

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Номер записи: 30
31-03-2022 дата публикации

Chromium oxide catalyst for ethylene polymerization

Номер: US20220098336A1
Автор: Orass Hamed, Vugar Aliyev, Xiaoyu TAN
Принадлежит: SABIC Global Technologies BV

The invcntion relates to a solid catalyst system comprising a chromium compound, an aluminium alkoxide compound, a nitrogen containing compound and a silicon oxide support, wherein the aluminium alkoxidc compound has the formula (R1)2—Al—OR2 wherein R1 is selected from C1-C8 alkyl groups and OR2 is selected from C1-C8 alkoxyl groups and wherein tlie nitrogen containing compound is a cycloalkvlaminc compound liavmg the general formula: R3—NH2, wherein R3 is selected from C3-C8 cycloalkyl groups.

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Номер записи: 31
25-03-2021 дата публикации

METAL COMPLEX COMPRISING AMIDINE AND THIOPHENE FUSED CYCLOPENTADIENYL LIGANDS

Номер: US20210087305A1
Автор: BERTHOUD Alexandra, Goryunov Georgy P., MLADENTSEV Dmitry Y., SAMSONOV Oleg V, Uborsky Dmitry V., Valla Maxence, VOSKOBOYNIKOV Alexander Z.
Принадлежит: ARLANXEO NETHERLANDS B.V.

A metal complex of the formula (1) TCyLMZ(1), wherein M is a group 4 metal, Z is an anionic ligand, p is the number 1 or 2, TCy is a thiophene-fused cyclopentadienyl-type ligand of the formula (2) 116-. (canceled)18. The metal complex according to wherein M is titanium.19. The metal complex according to claim 17 , wherein Z is independently selected from the group consisting of a halogen atom claim 17 , a Calkyl group claim 17 , a Caralkyl group claim 17 , a Caryl group and a Chydrocarbon-substituted amino group.20. The metal complex according to claim 17 , whereinM is Ti,{'sub': 1', '4, 'Z is selected from the group consisting of chlorine and C-C-alkyl, and'}p is 2.21. The metal complex according to claim 17 , wherein Subis selected from the group consisting of unsubstituted phenyl claim 17 , phenyl substituted with C-C-alkyl claim 17 , phenyl substituted with Cl and phenyl substituted with C-C-alkyl and with Cl substituted phenyl residue and Subis an amino radical of the formula —NRRwith Rand Rbeing individually selected from the group consisting of aliphatic hydrocarbyl claim 17 , halogenated aliphatic hydrocarbyl claim 17 , aromatic hydrocarbyl claim 17 , halogenated aromatic hydrocarbonyl residues whereby Roptionally forms a heterocyclic structure with Ror Sub.24. A process for manufacturing a metal complex according to claim 17 , comprising reacting a metal complex of formula (3){'br': None, 'sub': 'p+1', 'TCyMZ\u2003\u2003(3)'}{'claim-ref': {'@idref': 'CLM-00017', 'claim 17'}, 'with an amidine of the formula LH or its hydrohalogen acid salt LH.HZ wherein L has the meaning as defined in and Z means a halogen selected from Cl, Br, or F.'}25. A catalyst system comprising{'claim-ref': {'@idref': 'CLM-00017', 'claim 17'}, 'a) the metal complex according to ,'}b) an activator andc) optionally a scavenger.26. The catalyst system according to wherein the scavenger c) is a hydrocarbyl of a metal or metalloid of group 1-13 or its reaction products with at least one ...

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Номер записи: 32
25-03-2021 дата публикации

PROCESS FOR PREPARATION OF AMORPHOUS POLYOLEFINIC IONOMERS

Номер: US20210087310A1
Автор: Aikaterini Tatani, Bouyahyi Miloud, Duchateau Robbert, Ginzburg Anton, Jasinska-Walc Lidia, Kruszynski Jakub, Tellez Nogales Marc, Zhu Jiadong
Принадлежит:

The present invention relates to an amorphous polyolefinic ionomer and a process for the preparation of an amorphous polyolefinic ionomer. 2. The process according to claim 1 , wherein the at least one olefin monomer is selected from the group consisting of propylene claim 1 , 1-butene claim 1 , 3-methyl-1-butene claim 1 , 1-pentene claim 1 , 4-methyl-1-pentene claim 1 , 1-hexene claim 1 , vinyl cyclohexane claim 1 , and 1-octene.3. The process according to wherein the at least one functionalized olefin monomer is selected from the group consisting of allyl alcohol claim 1 , 3-buten-1-ol claim 1 , 3-buten-2-ol claim 1 , 3-buten-1 claim 1 ,2-diol claim 1 , 5-hexene-1-ol claim 1 , 5-hexene-1 claim 1 ,2-diol claim 1 , 7-octen-1-ol claim 1 , 7-octen-1 claim 1 ,2-diol claim 1 , 9-decen-1-ol claim 1 , 10-undecene-1-ol claim 1 , 5-norbornene-2-methanol claim 1 , 3-butenoic acid claim 1 , 4-pentenoic acid or 10-undecenoic acid.4. The process according to claim 1 , wherein the amount of the functionalized olefin monomers in step a1) is from 0.01 to 30 mol % claim 1 , with respect to the total molar amount of the olefin monomers and the functionalized olefin monomers.5. The process according to claim 1 , wherein the masking agent is selected from trialkyl aluminum complexes claim 1 , dialkyl magnesium complexes claim 1 , dialkyl zinc complexes or trialkyl boron complexes.6. The process according to claim 1 , wherein in step b1) or b2) the metal salt is a fluoride claim 1 , chloride claim 1 , bromide claim 1 , iodide claim 1 , hydroxide claim 1 , nitrite claim 1 , nitrate claim 1 , formate claim 1 , acetate claim 1 , bicarbonate claim 1 , carbonate claim 1 , sulfite claim 1 , sulfate claim 1 , chlorate claim 1 , perchlorate claim 1 , bromate or EDTA salt of a metal selected from one or more of lithium claim 1 , sodium claim 1 , potassium and silver and/or the monofunctional amine is selected from NH claim 1 , MeNH claim 1 , NMe claim 1 , EtNH claim 1 , EtN claim 1 , BuNH.7. ...

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Номер записи: 33
25-03-2021 дата публикации

PROCESS FOR PREPARATION OF ETHYLENE AND PROPYLENE IONOMER

Номер: US20210087312A1
Автор: Bouyahyi Miloud, Duchateau Robbert, Jasinska-Walc Lidia
Принадлежит:

The present invention relates to an ethylene and propylene ionomer and a process for the preparation of an ethylene and propylene ionomer. 2. The process of claim 1 , wherein in step a1) the ethylene to propylene weight ratio is from 20:80 to 70:30.3. The process of claim 1 , wherein the at least one functionalized olefin monomer is selected from the group consisting of allyl alcohol claim 1 , 3-buten-1-ol claim 1 , 3-buten-2-ol claim 1 , 3-buten-1 claim 1 ,2-diol claim 1 , 5-hexene-1-ol claim 1 , 5-hexene-1 claim 1 ,2-diol claim 1 , 7-octen-1-ol claim 1 , 7-octen-1 claim 1 ,2-diol claim 1 , 9-decen-1-ol claim 1 , 10-undecene-1-ol claim 1 , 5-norbornene-2-methanol claim 1 , 3-butenoic acid claim 1 , 4-pentenoic acid or 10-undecenoic acid.4. The process of claim 1 , wherein the amount of the functionalized olefin monomers in step a1) is 0.01 to 30 mol % claim 1 , with respect to the total molar amount of ethylene claim 1 , propylene and the functionalized olefin monomers.5. The process of claim 1 , wherein the masking agent is selected from trialkyl aluminum complexes claim 1 , dialkyl magnesium complexes claim 1 , dialkyl zinc complexes or trialkyl boron complexes.6. The process of claim 1 , wherein in step b1) or b2) the metal salt is a fluoride claim 1 , chloride claim 1 , bromide claim 1 , iodide claim 1 , hydroxide claim 1 , nitrite claim 1 , nitrate claim 1 , formate claim 1 , acetate claim 1 , bicarbonate claim 1 , carbonate claim 1 , sulfite claim 1 , sulfate claim 1 , chlorate claim 1 , perchlorate claim 1 , bromate or EDTA salt of a metal selected from one or more of lithium claim 1 , sodium claim 1 , potassium and silver.7. The process according to claim 1 , wherein in step b1) or b3) the multi-valent metal salt is a fluoride claim 1 , chloride claim 1 , bromide claim 1 , iodide claim 1 , hydroxide claim 1 , nitrite claim 1 , nitrate claim 1 , formate claim 1 , acetate claim 1 , bicarbonate claim 1 , carbonate claim 1 , sulfite claim 1 , sulfate claim 1 , ...

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Номер записи: 34
25-03-2021 дата публикации

PROCESS FOR PREPARATION OF FUNCTIONALIZED ETHYLENE AND PROPYLENE COPOLYMER

Номер: US20210087313A1
Автор: Bouyahyi Miloud, Duchateau Robbert, Jasinska-Walc Lidia
Принадлежит:

The present invention relates to a process for the manufacture of a functionalized ethylene and propylene copolymer composition. The invention further relates to such functionalized ethylene and propylene copolymer composition. 2. The process according to claim 1 , wherein in step a) the ethylene to propylene weight ratio is from 20:80 to 70:30.3. The process according to claim 1 , wherein the at least one functionalized olefin monomer is selected from the group consisting of allyl alcohol claim 1 , 3-buten-1-ol claim 1 , 3-buten-2-ol claim 1 , 3-buten-1 claim 1 ,2-diol claim 1 , 5-hexene-1-ol claim 1 , 5-hexene-1 claim 1 ,2-diol claim 1 , 7-octen-1-ol claim 1 , 7-octen-1 claim 1 ,2-diol claim 1 , 9-decen-1-ol claim 1 , 10-undecene-1-ol claim 1 , 5-norbornene-2-methanol claim 1 , 3-butenoic acid claim 1 , 4-pentenoic acid or 10-undecenoic acid.4. The process according to claim 1 , wherein the amount of the functionalized olefin monomers in step a) is from 0.01 to 30 mol % claim 1 , with respect to the total molar amount of the olefins and the functionalized olefin monomers.5. The process according to claim 1 , wherein the masking agent is selected from trialkyl aluminum complexes claim 1 , dialkyl magnesium complexes claim 1 , dialkyl zinc complexes or trialkyl boron complexes.6. The process according to claim 1 , wherein the cross-linking enhancing agent is selected from the group consisting of ethylene glycol claim 1 , glycerol claim 1 , pentaerythritol claim 1 , mucic acid claim 1 , galactaric acid claim 1 , carbohydrates claim 1 , ethylene diamine claim 1 , diethylene triamine claim 1 , tetramethyl ethylene diamine claim 1 , pentamethyl diethylene triamine claim 1 , polyethylenimine claim 1 , maleic acid claim 1 , succinic acid claim 1 , tartaric acid claim 1 , citric acid claim 1 , polyacrylic acid claim 1 , poly(ethylene-co-acrylic acid) claim 1 , polyvinyl acetate claim 1 , poly(ethylene-co-vinyl acetate) claim 1 , polyvinyl alcohol claim 1 , poly(ethylene-co ...

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Номер записи: 35
19-03-2020 дата публикации

PROCESS FOR PREPARING A PROCATALYST FOR POLYMERIZATION OF OLEFINS

Номер: US20200087426A1
Автор: BATINAS-GEURTS Aurora Alexandra, STEINFORT Dafne Lise, Zuideveld Martin Alexander
Принадлежит:

The present invention relates to a process for preparing a procatalyst for polymerization of olefins, said process comprising contacting a magnesium-containing support with a halogen-containing titanium compound, an internal electron donor being a substituted 1,2-phenylene aromatic diester compound. 4. The process according to claim 1 , wherein step v) of contacting the fourth intermediate product is carried out several times with decanting to obtain a solid product in between the steps of contacting the intermediate product with the halogen-containing titanium compound.5. The process according to claim 2 , wherein step v) of contacting the second intermediate product with the halogen-containing titanium compound is carried out at least two times to obtain a solid product.6. The process according to claim 3 , wherein step v) of contacting the second intermediate product with the halogen-containing titanium compound is carried out at least two times claim 3 , preferably at least three times to obtain a solid product.8. The process according to claim 14 , wherein the activator is present and is a monoester.10. A process for preparing a catalyst system comprising mixing the procatalyst according to claim 14 , a co-catalyst and optionally an external electron donor.11. A process for preparing a polyolefin claim 10 , comprising contacting an olefin with the catalyst system according to .12. (canceled)13. (canceled)15. The process according to claim 3 , wherein in step iii-3) contacting takes place at a temperature of higher than 50° C.16. The process according to claim 4 , wherein step v) of contacting the fourth intermediate product is carried out four times with decanting to obtain a solid product in between the steps of contacting the intermediate product with the halogen-containing titanium compound.17. The process according to claim 5 , wherein step v) of contacting the third intermediate product with the halogen-containing titanium compound is carried out at least ...

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Номер записи: 36
04-04-2019 дата публикации

Dual Catalyst System for Producing LLDPE Copolymers with Improved Processability

Номер: US20190100606A1
Автор: Chung C. Tso, Errun Ding, QING Yang, Randall S. Muninger, Yongwoo Inn, Youlu Yu
Принадлежит: Chevron Phillips Chemical Co LP

Disclosed herein are ethylene-based polymers generally characterized by a density from 0.89 to 0.93 g/cm 3 , a ratio of Mw/Mn from 3 to 6.5, a Mz from 200,000 to 650,000 g/mol, a CY-a parameter at 190° C. from 0.2 to 0.4, and a reverse short chain branching distribution. The ATREF profile of these polymers can have a high temperature peak from 92 to 102° C., and a low temperature peak from 18 to 36° C. less than that of the high temperature peak. These polymers can have comparable physical properties to that of a metallocene-catalyzed LLDPE, but with improved processability, shear thinning, and melt strength, and can be used in blown film and other end-use applications.

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Номер записи: 37
29-04-2021 дата публикации

CATALYST SYSTEM FOR MULTI-BLOCK COPOLYMER FORMATION

Номер: US20210122840A1
Автор: Arriola Daniel J., Christianson Matthew D., Davis Anna V., Devore David D., Patton Jasson T., Roof Gordon R., Senecal Todd D.
Принадлежит:

The present disclosure relates to an olefin polymerization catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the catalyst system comprises: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent. 2. The catalyst system of claim 1 , further comprising (D) an activator.3. The catalyst system of claim 1 , wherein Xis (C-C)hydrocarbyl claim 1 , (C-C)heterohydrocarbyl claim 1 , Si(R) claim 1 , or a hydrido group.4. The catalyst system of claim 1 , wherein Xis a substituted benzyl or substituted heteroarylbenzyl.7. The catalyst system of claim 1 , wherein the first olefin polymerization procatalyst (A) and the second olefin polymerization procatalyst (B) have respective reactivity ratios rand r claim 1 , such that the ratio (r/r) under polymerization conditions is 0.5 or less.12. The catalyst system of claim 1 , wherein the chain shuttling agent is an aluminum claim 1 , zinc claim 1 , or gallium compound containing at least one hydrocarbyl substituent having from 1 to 12 carbons.13. A process for preparing a multi-block copolymer comprising contacting ethylene and at least one copolymerizable comonomer other than ethylene under addition polymerization conditions with a catalyst system according to .14. The process according to claim 13 , wherein the process is a continuous solution process.15. The process of claim 14 , wherein the process is carried out at a temperature of greater than 125° C. and comprises a combined catalyst efficiency of greater than 30 claim 14 ,000 g/g.16. A multi-block copolymer prepared by the process according to claim 13 ...

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Номер записи: 38
29-04-2021 дата публикации

ETHYLENE-alpha-OLEFIN COPOLYMER, METHOD OF PRODUCING ETHYLENE-alpha-OLEFIN COPOLYMER, ETHYLENE-BASED RESIN COMPOSITION, AND FILM

Номер: US20210122854A1
Автор: Azuma Yuki, MURATA Risa, Ochi Naoko
Принадлежит: Sumitomo Chemical Company, Limited

An ethylene-α-olefin copolymer capable of implementing formation of a film having excellent slipperiness and suppressed fish eyes, a method of producing the ethylene-α-olefin copolymer, an ethylene-based resin composition containing the ethylene-α-olefin copolymer, and a film containing the ethylene-α-olefin copolymer or the ethylene-based resin composition. An ethylene-α-olefin copolymer according to the present invention has: a monomer unit (1) based on ethylene; and a monomer unit (2) based on an α-olefin having 3 to 20 carbon atoms, wherein a branching parameter is 0.70 to 0.90, and a light scattering area ratio is 1.60 to 3.60. 2. The ethylene-α-olefin copolymer according to claim 1 , wherein the branching parameter is 0.70 to 0.80.3. The ethylene-α-olefin copolymer according to claim 1 , wherein the light scattering area ratio is 2.70 to 3.00.4. The ethylene-α-olefin copolymer according to claim 1 , wherein when a total mass of the ethylene-α-olefin copolymer is 100% by mass claim 1 , a content of the monomer unit (1) is 90% by mass or more claim 1 , and a content of the monomer unit (2) is 10% by mass or less.5. The ethylene-α-olefin copolymer according to claim 1 , wherein the monomer unit (2) is a monomer unit based on an α-olefin having 4 to 8 carbon atoms.6. The ethylene-α-olefin copolymer according to claim 1 , wherein a melt flow rate measured under conditions of a temperature of 190° C. and a load of 21.18 N is 0.010 g/10 min to 0.2 g/10 min.7. The ethylene-α-olefin copolymer according to claim 1 , wherein a density is 910 kg/mto 940 kg/m.8. A method of producing an ethylene-α-olefin copolymer having a monomer unit (1) based on ethylene and a monomer unit (2) based on an α-olefin having 3 to 20 carbon atoms claim 1 , the method comprising the following steps (a) to (c) of:(a) pre-polymerizing ethylene and an α-olefin having 3 to 20 carbon atoms in the presence of a catalyst component obtained by bringing a metallocene-based complex, an organoaluminum ...

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Номер записи: 39
11-04-2019 дата публикации

PROCESS AND CATALYST FOR HYDROGEN MEDIATED SALINE HYDRIDE INITIATED ANIONIC CHAIN TRANSFER POLYMERIZATION

Номер: US20190106517A1
Автор: JR. William J., Layman
Принадлежит: Albemarle Corporation

This invention relates to processes for forming hydrogen mediated saline hydride initiated anionic polystyrene distributions via novel polymerization conditions. This invention also relates to novel hydrocarbon soluble super active saline hydride catalyst and reagent compositions useful in conducting the hydrogen mediated saline hydride initiated polymerizations of this invention. This invention also relates to novel low molecular weight polystyrene polymer composition formed exclusively from styrene and molecular hydrogen as the monomers. 1. A process for anionic chain transfer polymerization comprising feeding a vinyl aromatic and/or conjugated diene monomer under an atmosphere comprising molecular hydrogen to a reactor vessel containing a reaction mixture of an inert ethereal solvent and an alkali metal or alkali metal alloy.2. The process of claim 1 , wherein said vinyl aromatic monomer is a styrenic monomer.3. The process of claim 1 , wherein the reaction mixture further comprises an electron transfer entraining agent.4. The process of claim 1 , wherein the ethereal solvent and alkali metal or alkali metal alloy are initially charged into the reactor vessel and agitated using high shear mixing to create a dispersion of the initially charged alkali metal or alkali metal alloy.5. The process of claim 1 , wherein the partial pressure of hydrogen is maintained at pressures between about 1.0 Bar to about 20 Bar.6. The process of claim 1 , wherein the alkali metal alloy is comprised of sodium and potassium.7. The process of wherein the molar ratio of g-atom alkali metal or alkali metal alloy to styrenic monomer is in the range of about 1:10 to about 1:100.8. The process of where the vinyl aromatic monomer is styrene claim 1 , the ethereal solvent is tetrahydrofuran and the sodium potassium alloy is NaK.9. The process of where the vinyl aromatic monomer is styrene claim 1 , the ethereal solvent is tetrahydrofuran claim 1 , the sodium potassium alloy is NaKand the ...

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Номер записи: 40
28-04-2016 дата публикации

Oxalic Acid Diamides As Modifiers For Polyolefin Catalysts

Номер: US20160115260A1
Автор: Chih-Jian Chen, Gapgoung Kong, Lei Zhang, Sun Chueh Kao
Принадлежит: Formosa Plastics Corp USA

The present invention relates to the use of oxalic acid diamides as modifiers in conjunction with solid Ziegler-Natta type catalyst in processes in which polyolefins such as polypropylene are produced. The modified catalyst compositions produce polypropylene with good productivity and higher sterospecificity than systems without such modification.

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Номер записи: 41
27-04-2017 дата публикации

Heterogeneous catalyst and method for selectively hydrogenating copolymer

Номер: US20170114175A1
Автор: Man-Yin Lo
Принадлежит: Industrial Technology Research Institute ITRI

A heterogeneous catalyst for selectively hydrogenating a copolymer is provided, which includes a porous support, a metal oxide wrapping a part of the surface of the porous support, and a plurality of palladium particles on the porous support and the metal oxide. A method for selectively hydrogenating a copolymer is also provided, which includes contacting a heterogeneous catalyst to a copolymer to process hydrogenation. The copolymer includes aromatic rings and nonaromatic double bonds, and the nonaromatic double bonds are hydrogenated, and the aromatic rings are substantially not hydrogenated. The heterogeneous catalyst includes a porous support, a metal oxide wrapping a part of the surface of the porous support, and a plurality of palladium particles formed on the porous support and the metal oxide.

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Номер записи: 42
25-04-2019 дата публикации

PROCESS FOR PRODUCING LLDPE RESINS

Номер: US20190119419A1
Автор: AHO Jani, Albunia Alexandra Romina, ECKMAYR Renate, JAMIESON John, Kela Jarmo, SUMERIN Victor, Tupe Ravindra, VAHTERI Markku
Принадлежит:

A process for producing copolymers of ethylene and at least one alpha-olefin having from 4 to 10 carbon atoms in the presence of a solid Ziegler-Natta catalyst comprising of magnesium, titanium, halogen and an internal organic compound, the copolymer having a density of from 906 to 937 kg/mand a melt flow rate MFRmeasured at 190° C. under 21.6 kg load of from 3 to 150 g/10 min. The process includes the steps of (A) homopolymerising ethylene or copolymerising ethylene and a first alpha-olefin having from 4 to 10 carbon atoms in a first polymerisation stage in the presence of the polymerisation catalyst, hydrogen and optionally the first alpha-olefin; (B) copolymerising ethylene and a second alpha-olefin having from 4 to 10 carbon atoms in a second polymerisation stage in the presence of the first homo- or copolymer of ethylene and the Ziegler-Natta catalyst; and (C) recovering the polymer mixture. 2. The process according to comprising the additional steps of (a) providing solid carrier particles of MgCl*mROH adduct; (b) pre-treating the solid carrier particles of step (a) with a compound of Group 13 metal; (c) treating the pre-treated solid carried particles of step (b) with a transition metal compound of Group 4 to 6; (d) recovering the solid catalyst component; (e) contacting the solid carrier particles with the internal organic compound compound having the formula (I) prior to the step (c); and (f) passing the solid catalyst component into the first polymerisation stage claim 1 , wherein R in the adduct MgCl*mROH is a linear or branched alkyl group with 1 to 12 carbon atoms and m is a number from 0 to 6.3. The process according to wherein the hydrogen to ethylene ratio in the fluid reaction phase of the first polymerisation stage is from 200 to 1000 mol/kmol.4. The process according to wherein the first homo- or copolymer of ethylene is a homopolymer of ethylene and no comonomer is present in the first polymerisation stage.5. The process according to wherein the ...

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Номер записи: 43
16-04-2020 дата публикации

Olefin Polymer, Preparation Method of the Same, and Film Using the Same

Номер: US20200115475A1
Автор: Daesik Hong, Eunji SHIN, Jinyoung Lee, Ki Soo Lee, Ohjoo KWON, Seul Ki IM, Seungmi LEE, Sung Ho Park, Youngsuk YOU
Принадлежит: LG Chem Ltd

An olefin polymer capable of simultaneously satisfying excellent drop impact strength and transparency, a preparation method of the same, and a film using the same, can be provided. In an embodiment, an olefin polymer comprises a plurality of polymer chains, and satisfies the following conditions: i) each polymer chain of the plurality having an average number of short chain branches (SCBs) per 1000 carbon atoms of 20/1000C or more, wherein an SCB has C2 to C7 carbon atoms, ii) a molded film of the olefin polymer having a drop impact strength of 1500 g to 2400 g as measured in accordance with ASTM D1709A, wherein the molded film having a thickness of 100 μm, and iii) a molded film of the olefin polymer having a haze is 10% to 30% as measured in accordance with ASTM D1003, wherein the molded film having a thickness of 0.05 mm.

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Номер записи: 44
16-04-2020 дата публикации

DIMETHYL-SILYL-BRIDGED-1-SUBSTITUTED-2-INDENYL METALLOCENE COMPLEXES FOR OLEFIN POLYMERIZATION

Номер: US20200115478A1
Автор: BORISOV Ilya, Busico Vincenzo, Cipullo Roberta, COEN HENDRIKSEN, Friederichs Nicolaas Hendrika, GUZEEV BOGDAN A., MLADENTSEV Dmitry Y., Sharikov Mikhail I., Uborsky Dmitry, VITTORIA Antonio, Voskoboynikov Alexander
Принадлежит:

The invention relates to a metallocene complex according to formula A, wherein R1-R10 are independently selected from H, C1-C10 alkyl, C7-C20 Aralkyl groups, and C1-C10 alkoxy groups; wherein R11 is selected from methyl, ethyl, propyl, isopropyl, butyl, phenyl; wherein R1 and R2, R3 and R4, R4 and R5, R5 and R6, R7 and R8, R8 and R9, and/or R9 and R10 can be connected to form a ringstructure; wherein R0 is selected from a C1-C10 alkyl group or an aryl group wherein M is selected from Ti, Zr and Hf, X is an anionic ligand to M, z is the number of X groups and equals the valence of M minus 2. The invention further relates to a catalyst for preparing polyolefins, a process for polymerizing olefins and to polymers prepared by said catalyst system. 3. The metallocene complex according to claim 1 , wherein M is zirconium or hafnium.4. The metallocene complex according to claim 1 , wherein X is a methyl group claim 1 , Cl claim 1 , Br or I.5. The metallocene complex according to claim 1 , wherein R7-R10 are independently selected from H claim 1 , methyl claim 1 , ethyl and methoxy.6. The metallocene complex according to claim 1 , wherein the R11 is a methyl group.7. The metallocene complex according to claim 1 , wherein R5 and R6 are H atoms and wherein R1 is selected from H claim 1 , methyl claim 1 , ethyl claim 1 , and isopropyl.8. The metallocene complex according to claim 1 , wherein R2 is H when R1 is other than H.9. The metallocene complex according to claim 1 , wherein R2 is selected from H claim 1 , methyl claim 1 , ethyl claim 1 , phenyl claim 1 , 2-methyl-1-phenyl claim 1 , and 3 claim 1 ,5-dialkyl-1-phenyl.10. The metallocene complex according to claim 1 , wherein R1 is selected from methyl claim 1 , ethyl claim 1 , isopropyl and/or R2 is a methyl claim 1 , ethyl claim 1 , phenyl group and R3 claim 1 , R4 claim 1 , R5 and R6 are H.12. The metallocene complex according to claim 1 , wherein the metallocene complex is immobilized on a support.13. An olefin ...

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Номер записи: 45
23-04-2020 дата публикации

Catalyst Composition For Preparing Conjugated Diene-based Polymer And Conjugated Diene-based Polymer Preparing Using The Same

Номер: US20200123289A1
Автор: Ahn Jeong Heon, Bae Hyo Jin, Kang Suk Youn, Kim Ji Eun, Oh Kyoung Hwan, Park Sung Ho
Принадлежит: LG CHEM, LTD.

The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. 2. The conjugated diene-based polymer of claim 1 , wherein the conjugated diene-based polymer has a mooney viscosity of 10 MU to 90 MU at 100° C. and a polydispersity of 3.4 or less.3. A rubber composition comprising the conjugated diene-based polymer according to .4. A tire part manufactured by using the rubber composition according to . This application is a divisional of U.S. application Ser. No. 15/554,907, filed Aug. 31, 2017 which is a national phase entry under 35 U.S.C. § 371 of International Application No. PCT/KR2016/006802, filed on Jun. 24, 2016, which claims priority from Korean Patent Application Nos. 2015-0089906, filed on Jun. 24, 2015, and 2015-0184238, filed on Dec. 22, 2015, the entire contents of which are incorporated herein by reference.The present invention relates to a catalyst composition for preparing a conjugated diene-based polymer and a conjugated diene-based polymer prepared using the same.According to the gradual increase in demand for a rubber composition in various manufacturing fields for tires, impact resistant polystyrene, the sole of shoes, golf balls, etc., the value of conjugated diene-based polymer which is a synthetic rubber, specifically, a butadiene-based polymer is increasing as an alternative material to natural rubber of which the produced amount is insufficient.Meanwhile, in a conjugated diene-based polymer, linearity and the degree of branching greatly affect the physical properties of the polymer. In particular, with a decrease in linearity or an increase in the ...

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Номер записи: 46
03-06-2021 дата публикации

ACTIVATOR-NUCLEATOR FORMULATIONS

Номер: US20210163633A1
Автор: BORSE Nitin, Chandak Swapnil B., Liu Zhenshuo Bobby, Munro Ian M.
Принадлежит:

An activator-nucleator formulation comprising an activating effective amount of (A) an alkylaluminum(chloride) compound (compound (A)); and a nucleating effective amount of a compound (B) selected from at least one of compounds (B1) to (B3): (B1) calcium (1R,2S)-cis-cyclohexane-1,2-dicarboxylate (1:1); (B2) calcium stearate (1:2), and (B3) zinc stearate (1:2); wherein the compound (A) is effective for activating a Ziegler-Naha procatalyst to give a Ziegler-Natta catalyst; and wherein the compound (B) is effective for lowering isothermal crystallization peak time period of a semicrystalline polyethylene polymer made in a polymerization process by the Ziegler-Natta catalyst. A method of polymerizing ethylene, and optionally 0, 1, or more alpha-olefin comonomers, in a polymerization process conducted in a polymerization reactor, the method comprising contacting ethylene, and optionally 0, 1, or more alpha-olefin comonomers, with the Ziegler-Naha catalyst system to give a semicrystalline polyethylene polymer. The semicrystalline polyethylene polymer made by the method of polymerizing. 1. An activator-nucleator formulation comprising an activating effective amount of (A) an alkylaluminum(chloride) compound of formula (I): Al((C-C)alkyl)(chloro)(I) , wherein subscript m is an integer from 1 to 3 , subscript n is an integer from 2 to 0 , the sum of subscripts m+n=3 , and each chloro is a chlorine atom (compound (A)); and a nucleating effective amount of a compound (B) selected from at least one of compounds (B1) to (B3): (B1) calcium (1R ,2S)-cis-cyclohexane-1 ,2-dicarboxylate (1:1); (B2) calcium stearate (1:2) , and (B3) zinc stearate (1:2).2. The activator-nucleator formulation of claim 1 , wherein the compound (A) is the alkylaluminum(chloride) compound of formula (I) characterized by any one of limitations (i) to (iii): (i) subscript m is 3 and subscript n is 0; (ii) each (C-C)alkyl is ethyl claim 1 , butyl claim 1 , or hexyl; and (iii) each (C-C)alkyl is ethyl.3. The ...

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Номер записи: 47
21-05-2015 дата публикации

Catalyst Systems Comprising Pyridyldiamido Transition Metal Complexes and Chain Transfer Agent and Use Thereof

Номер: US20150141596A1
Автор: John R. Hagadorn
Принадлежит: ExxonMobil Chemical Patents Inc

Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization with chain transfer agent.

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Номер записи: 48
17-05-2018 дата публикации

CATALYST COMPOSITIONS FOR SELECTIVE DIMERIZATION AND POLYMERIZATION OF ETHYLENE

Номер: US20180133703A1
Автор: Al-Anazi Mohammed F., Al-Hazmi Mohammed H., Pradhan DevRanjan J., Schmidt Roland
Принадлежит:

A catalyst composition comprises an inert hydrocarbon solvent, having dissolved therein a titanate of the formula Ti(OR)wherein each R is the same or different, and is a hydrocarbon residue, and an organic aluminum compound, wherein a molar ratio of the organic aluminum compound and any alkene present in the catalyst composition is greater than one. 1. A catalyst composition , comprising:{'sub': '4', 'a titanate of the formula Ti(OR)wherein each R is the same or different, and is a hydrocarbon residue;'}an ether catalyst modifier, andan aluminoxane wherein the aluminoxane is a methyl aluminoxane, a modified methyl aluminoxane, or a combination comprising at least one of the foregoing.2. The catalyst composition of claim 1 , wherein the titanate is Ti(O-butyl) claim 1 , Ti(O-n-alkyl) claim 1 , Ti(O-n-butyl)or a combination comprising at least one of the foregoing.3. The catalyst composition of claim 1 , wherein the modified methyl aluminoxane is a copolymer comprising MeAlO repeating units and RAlO repeating units wherein Ris a C-hydrocarbon.4. The catalyst composition of claim 1 , comprising a further organic aluminium compound distinct from the methyl aluminoxane and from the modified methyl aluminoxane.5. The catalyst composition of claim 4 , wherein the organic aluminium compound is of the formula AlR claim 4 , wherein n is 1 or 2 and each R is the same or different claim 4 , and is hydrogen claim 4 , a hydrocarbon residue claim 4 , or halogen.6. A process for the preparation of a polymer claim 4 , the process comprising{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'contacting an alkene with the catalyst composition according to under conditions effective to form a polymer.'}7. The process according to claim 6 , wherein the alkene is ethene and the polymer is polyethylene.8. The process according to claim 6 , wherein the contacting is in a homogeneous liquid phase.9. The process according to claim 6 , wherein the conditions include at least one of a pressure ...

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Номер записи: 49
17-05-2018 дата публикации

SUPPORTED CATALYST COMPOSITIONS HAVING IMPROVED FLOW PROPERTIES AND PREPARATION THEREOF

Номер: US20180134821A1
Автор: Kuo Chi-I, Lloyd Shamah, Pannell Richard B.
Принадлежит: UNIVATION TECHNOLOGIES, LLC

Supported catalyst compositions, useful in olefin polymerization, and having improved flow properties are disclosed. The catalyst compositions may be characterized by low macro pore volume and high bulk density. Methods for preparing the catalyst compositions are also disclosed. 1. A supported olefin polymerization catalyst composition comprising one or more particulate supports , one or more catalyst compounds , a continuity additive and one or more activator compounds , wherein the supported catalyst composition is formed by drying a suspension including the one or more particulate supports , the one or more catalyst compounds , the continuity additive , the one or more activator compounds , and a diluent and has a macro pore volume , as determined by ISO 15901-1 , of less than or equal to 1.23 cm/g , wherein the drying is performed at a temperature of less than or equal to 65° C. and at a pressure that is less than or equal to 8 psia.2. A supported olefin polymerization catalyst composition according to claim 1 , wherein the supported catalyst composition has a macro pore volume of less than or equal to 1.20 cm/g claim 1 , or less than or equal to 1.10 cm/g claim 1 , or less than or equal to 1.00 cm/g.3. A supported olefin polymerization catalyst composition according to claim 1 , wherein the supported catalyst composition has a tapped bulk density of greater than or equal to 0.30 g/cm claim 1 , or greater than or equal to 0.35 g/cm claim 1 , or greater than or equal to 0.40 g/cmor greater than or equal to 0.45 g/cm.4. A supported olefin polymerization catalyst composition according to claim 1 , wherein the particulate support is a particulate Group 2 claim 1 , 3 claim 1 , 4 claim 1 , 5 claim 1 , 13 and 14 oxide or chloride.5. A supported olefin polymerization catalyst composition according to claim 4 , wherein the particulate support is a particulate silica.6. A supported olefin polymerization catalyst composition according to claim 5 , wherein the particulate ...

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Номер записи: 50
18-05-2017 дата публикации

Transition metal catalysts for olefin polymerization

Номер: US20170137549A1
Автор: Brad P. CARROW, Wei Zhang
Принадлежит: PRINCETON UNIVERSITY

In one aspect, a chelating phosphine-phosphonic diamide (PPDA) ligand is described herein for constructing transition metal complexes operable for catalysis of olefin polymerization, including copolymenzation of ethylene with polar monomer.

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Номер записи: 51
24-05-2018 дата публикации

PROCESS TO PRODUCE MODIFIED CLAY, SUPPORTED METALLOCENE POLYMERIZATION CATALYST, CATALYST PRODUCED AND USE THEREOF

Номер: US20180142047A1
Автор: Jensen Michael D., McCauley John Robert, MICHOS DEMETRIUS, Singleton Andrew G.
Принадлежит: W. R. GRACE & CO.-CONN.

Catalyst support-activator for olefin polymerization catalysts, and processes for making, the support-activator comprising an intercalated, modified and calcined smectite clay comprising (a) pillars comprising aluminum and optionally: (i) at least one rare earth or lanthanide group metal; or (ii) at least one rare earth or lanthanide group metal and gallium; and (b) at least one ion-exchanged metal ion selected from the group consisting of aluminum, barium, beryllium, calcium, cerium, cesium, copper, chromium, gadolinium, gallium, germanium, hafnium, holmium, iron (II and III), lanthanum, lithium, magnesium, manganese, neodymium, potassium, praseodymium, rubidium, samarium, silver, selenium, sodium, strontium, tellurium, terbium, thallium, thorium, tin, titanium, uranium, ytterbium, yttrium, zinc and zirconium. The pillared clay exhibits a basal dspacing of: (A) 9 to 18 angstroms; or (B) equal to or greater than about 18.5 angstroms. Use of the modified clays, with metallocene catalyst precursor components, provides active olefin polymerization catalysts, preferably in the substantial absence of aluminoxanes or boron-containing compounds. 149.-. (canceled)50. A process for producing a catalyst support-activator for olefin polymerization catalyst compositions in the absence or substantial absence of an aluminoxane or borate activator , said support-activator comprising an intercalated smectite clay having pillars comprising aluminum and optionally: (i) at least one rare earth or lanthanum group metal; or (ii) at least one rare earth or lanthanide group metal and gallium; said clay comprising at least one ion-exchanged metal ion selected from the group consisting of aluminum , barium , calcium , cerium , cesium , copper , chromium , gadolinium , gallium , germanium , hafnium , holmium , iron (II and III) , lanthanum , lithium , magnesium , manganese , neodymium , potassium , praseodymium , rubidium , samarium , silver , selenium , sodium , strontium , tellurium , ...

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Номер записи: 52
24-05-2018 дата публикации

Process to produce modified clay, modified clay produced and use thereof

Номер: US20180142048A1
Автор: Andrew G. Singleton, Demetrius Michos, John Robert Mccauley, Michael D. Jensen
Принадлежит: WR Grace and Co Conn

An intercalated, modified and calcined smectite clay comprising (a) pillars comprising aluminum and: (i) at least one rare earth or lanthanide group metal; or (ii) at least one rare earth or lanthanide group metal and gallium; and (b) at least one ion-exchanged metal selected from the group consisting of aluminum, barium, beryllium, calcium, cerium, cesium, copper, chromium, gadolinium, gallium, germanium, hafnium, holmium, iron (II and III), lanthanum, lithium, magnesium, manganese, neodymium, potassium, praseodymium, rubidium, samarium, silver, selenium, sodium, strontium, tellurium, terbium, thallium, thorium, tin, titanium, uranium, ytterbium, yttrium, zinc and zirconium; wherein the clay is characterized by a basal d 001 spacing equal to or greater than about 18.5 angstroms; and processes for making. The modified clays are suitably used as catalyst support-activators and when used in combination with metallocene catalyst precursor components, can provide active catalysts for polymerizing at least one olefin, preferably in the substantial absence of aluminoxanes or boron-containing compounds.

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Номер записи: 53
14-08-2014 дата публикации

DIETHYLZINC COMPOSITION, METHOD FOR HEAT STABILIZATION, AND COMPOUND FOR HEAT STABILIZATION

Номер: US20140228207A1
Автор: Haga Kenichi, Tokudome Kohichi, Tomiyasu Shizuo
Принадлежит: TOSOH FINECHEM Corporation

[Object] 14-. (canceled)67-. (canceled)8. The heat stabilization method according to claim 5 , characterized in that the diethylzinc composition coexists with saturated claim 5 , unsaturated or a mixture of saturated and unsaturated hydrocarbon having 5-25 carbon atoms which is different from the additive which is effective to heat stability claim 5 , comprising aromatic hydrocarbon compound having 6-30 carbon atoms or ether-based compound.913-. (canceled)14. A heat stabilization method claim 5 , comprising:selecting a compound as an additive in a diethylzinc composition, andadding the compound at a ratio of addition to diethylzinc of 100 ppm-20 wt %, (1) particular aromatic compounds having isopropyl group bonded as a side chain;', '(2) particular compound having fulvene structure;', '(3) squalene; and', '(4) 2,4-diphenyl-4 -methyl-l-pentene, and, 'wherein the selected compound is at least one of following (1)˜(4)wherein the selected compound has a melting point or a freezing point of 25 degrees Celsius or less.1516-. (canceled)17. The heat stabilization method according to claim 14 , characterized in that the selected compound coexists with saturated claim 14 , unsaturated or a mixture of saturated and unsaturated hydrocarbon having 5-25 carbon atoms which is different from the additive which is effective to heat stability claim 14 , comprising aromatic hydrocarbon compound having 6-30 carbon atoms or ether-based compound.1823-. (canceled)24. A heat stabilization method claim 14 , comprisingselecting a compound as an additive in a diethylzinc composition, andadding the compound at a rate of addition to diethylzinc of 100 ppm to 20 wt %,wherein the compound is a naphthalene compound having a melting point or freezing point of 85 degrees Celsius or less.25. The heat stabilization method according to claim 24 , characterized in that the diethylzinc composition coexists with saturated claim 24 , unsaturated or a mixture of saturated and unsaturated hydrocarbon having ...

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Номер записи: 54
02-06-2016 дата публикации

Supported Catalyst for Olefin Polymerization, Preparation Method and Use Thereof

Номер: US20160152738A1
Автор: Cheng Ruihua, HE KUELIAN, JINGWEN WANG, Liu Boping, Liu Zhen
Принадлежит: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

A supported catalyst for olefin polymerization, a preparation method and use thereof. The catalyst comprises a porous carrier A, a magnesium-containing carrier B, and a supported active component containing a transitional metal of titanium. The catalyst is a highly efficient Ziegler-Natta titanium-based catalyst having a composite support formed by a magnesium compound and a silicon compound, wherein the raw material for the magnesium compound may be any soluble magnesium salt. The supported catalyst may be used for preparing olefin homopolymers or olefin copolymers. According to the present invention, the molecular weight, molecular weight distribution of the olefin homopolymer or olefin copolymer as well as the contents and distribution of the comonomers may be adjusted conveniently by means of changing the factors such as types and amounts of organometallic co-catalyst and molecular weight regulator. 1. A supported olefin polymerization catalyst , wherein said catalyst mainly comprises: porous support as carrier A , magnesium-containing compound support as carrier B and supported transition metal active component containing titanium.2. The catalyst according to claim 1 , wherein said support A is one or more selected from silica claim 1 , alumina claim 1 , aluminosilicate (xAlO.ySiO) claim 1 , titania claim 1 , zirconia claim 1 , magnesium oxide claim 1 , calcium oxide claim 1 , inorganic clays and combinations thereof.3. The catalyst according to claim 1 , wherein said support B is a kind of magnesium compound of general formula RMgCl claim 1 , wherein claim 1 , Ris C-Calkyl group which selected from saturated or unsaturated straight-chain claim 1 , branched or cyclic chain claim 1 , 0≦m<2.4. The catalyst according to claim 1 , wherein said titanium transition metal is titanium compound claim 1 , such as Ti(L)Cl claim 1 , Ti(L)Clor Ti(L)Cl claim 1 , wherein claim 1 , Lis C-Calkyl group Ror alkyl oxide group RO claim 1 , Ris selected from saturated or unsaturated ...

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Номер записи: 55
15-09-2022 дата публикации

POLYMERS DERIVED FROM BIOMASS

Номер: US20220289885A1
Автор: Kennemur Justin, Yarolimek Mark
Принадлежит:

Disclosed are polymers derived from biomass. More specifically described are δ-pinene-based polymers, copolymers and compositions comprising δ-pinene-based polymers. Also disclosed are methods of making the same. 2. The polymer of claim 1 , wherein the polymer has an average molecular weight from about 100 to about 500 claim 1 ,000 Dalton and/or a glass transition temperature from about 70° C. to about 140° C.341. The polymer of claim claim 1 , wherein the regioregularity is greater than 50%.4. The polymer of claim 1 , wherein the polymer comprises from 0% to 100% of a trans-isomer.5. The polymer of claim 4 , wherein the polymer is less than about 10% of a head-to-head trans-isomer claim 4 , a tail-to-tail isomer trans-isomer claim 4 , or a combination thereof.6. The polymer of claim 4 , wherein the polymer comprises less than 5% of the cis-isomer.7. The polymer of claim 1 , wherein the polymer is crosslinkable.8. The polymer of claim 1 , wherein the polymer is recyclable.9. An article comprising the polymer of claim 1 , wherein the article comprises bottles claim 1 , fibers claim 1 , textile claim 1 , gloves claim 1 , components in electronic devices claim 1 , components in electrical devices claim 1 , containers claim 1 , tableware claim 1 , cutlery claim 1 , tire components claim 1 , construction materials claim 1 , automotive & aeronautic components claim 1 , sporting equipment claim 1 , and any combination thereof.10. A composition comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a) the polymer of present in an amount from greater than 0% to less than 100% by the weight of the composition; and'}b) an additive, wherein the additive reacts with a ring-opened product of the polymer.11. The composition of claim 10 , wherein the additive comprises one or more of 3′ claim 10 ,3″ claim 10 ,5′ claim 10 ,5″-tetrabromophenolsulfonephthalein (Bromophenol Blue) claim 10 , 3 claim 10 ,3′-[(3-Carboxy-4-oxocyclohexa-2 claim 10 ,5-dien-1-ylidene)methylene]bis(6- ...

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Номер записи: 56
16-05-2019 дата публикации

Olefin Polymerization Processes

Номер: US20190144573A1
Автор: Bauch Christopher G., Edwards Todd S., Englehorn Blu E., Lawson Kevin W., Trapp Keith W.
Принадлежит:

A process for reducing the level of hydrogen in certain polymerization effluent and recycle streams containing unreacted propylene monomers and hydrogen by contacting the streams with a hydrogenation catalyst so as to convert at least part of the propylene to the corresponding alkane. The process is particularly applicable to the effluent from a slurry polymerization reactor which has been used to produce a polypropylene homopolymer or copolymer having a first molecular weight and at least part of the effluent is to be supplied to a slurry polymerization reactor to produce a polypropylene homopolymer or copolymer having a second, higher molecular weight. 1. A process for producing a polypropylene homopolymer or copolymer , the process comprising:(a) contacting a feed comprising at least propylene monomer with a polymerization catalyst in a first polymerization reactor operating in the slurry phase under conditions effective to polymerize at least part of the at least one monomer and produce a first effluent containing polypropylene homopolymer or copolymer having a first molecular weight and unreacted monomer;(b) contacting at least part of the first effluent, at least propylene monomer and hydrogen with a polymerization catalyst in a second polymerization reactor operating in the slurry phase fluidly connected in series to the first polymerization reactor to produce a second effluent containing a polypropylene homopolymer or copolymer having a second molecular weight lower than the first molecular weight, unreacted monomer and hydrogen;(c) contacting at least part of a second effluent with a hydrogenation catalyst under conditions effective to hydrogenate at least part of the unreacted monomer and produce a third effluent comprising a lower level of hydrogen than the second effluent; and(d) recycling at least part of the third effluent to the contacting step (b).2. The process of claim 1 , wherein the hydrogenation catalyst comprises a titanocene and an aluminum ...

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Номер записи: 57
07-06-2018 дата публикации

CATALYST SUPPORT AND RELATED PROCESSES

Номер: US20180155458A1
Автор: Barbosa Cesar Augusto Sales, Cardoso Renata da Silva, Fernandes Jonas Alves, Washburger Marcia Regina
Принадлежит: Braskem S.A.

The present invention describes a catalyst support, which is used as an inorganic carrier for a Ziegler-Nata catalyst (ZN), using a modified spray cooling method. Such a catalyst support is prepared from alcoholic solutions of (a) an inorganic compound, in which the inorganic compound is a magnesium compound and (b) an inorganic compound and one or more additives. The solutions are prepared at a temperature below 100° C., carried through a nozzle placed inside a reactor, and sprayed into droplets forming a solid precipitate, which is generally spherical, when in contact with an inert hydrocarbon solvent at low temperature. The obtained catalyst support is reacted with a titanium compound, preferably titanium tetrachloride, in order to produce an active catalyst for olefin polymerization. 1. A catalyst support component comprising an inorganic compound , an alcohol ROH , and an additive.2. The catalyst support component of claim 1 , having at least a first thermal transition peak between 112° C. and 150° C. as shown by DSC.3. The catalyst support component of claim 1 , wherein the alcohol ROH consists of a R chosen from a C1-C18 hydrocarbon group.4. The catalyst support component of claim 1 , wherein the additive is a non-polymeric additive.5. The catalyst support component of claim 4 , wherein the non-polymeric additive is a fluorine-based additive.6. The catalyst support component of claim 1 , wherein the additive is selected from one or more of hydrofluoroalkenes (HFAs) claim 1 , polyaryletherketone (PAEK) derivatives claim 1 , poly(oxy-1 claim 1 ,2-ethanediyl) derivatives claim 1 , aliphatic polyethers claim 1 , polylactic acid claim 1 , or polysorbates.7. The catalyst support component of claim 5 , wherein the additive is fluorine-based and selected from the group consisting of perfluoropentane; 1 claim 5 ,1 claim 5 ,1 claim 5 ,2-tetrafluorethane; 1 claim 5 ,1 claim 5 ,1 claim 5 ,2 claim 5 ,3 claim 5 ,3 claim 5 ,3-heptafluoropentane; 1 claim 5 ,1 claim 5 ,1 ...

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Номер записи: 58
07-06-2018 дата публикации

Olefin Polymerization Catalyst Systems and Methods for Making the Same

Номер: US20180155459A1
Автор: Davis Mark B., Li Dongming, Lue Ching-Tai, Matsunaga Phillip T.
Принадлежит:

Borate activated catalyst systems and methods for making the same for gas phase or slurry phase olefin polymerization are provided. The catalyst system can include a first catalyst comprising a borate activated mono cyclopentadienyl metallocene compound and a second catalyst comprising a supported bis cyclopentadienyl metallocene complex. A supported bis cyclopentadienyl metallocene complex can be prepared to provide a preformed, supported catalyst, wherein the supported bis cyclopentadienyl metallocene complex comprises bis(1,3-methylbutyl cyclopentadienyl) zirconium dichloride. The preformed, supported catalyst can be mixed with mineral oil or hydrocarbon solvent to form a slurry. The slurry can be mixed with a borate activated mono cyclopentadienyl metallocene compound to form the borate activated catalyst system. 1. A polymerization catalyst system comprising the product of:a first catalyst comprising the product of a borate activator and mono cyclopentadienyl metallocene compound; anda second catalyst comprising a supported bis cyclopentadienyl metallocene complex.2. The catalyst system of claim 1 , wherein the first catalyst is about 0.5 wt % to about 1 wt % of the total weight of the catalyst system.3. The catalyst system of claim 1 , wherein the borate activator comprises tris perfluorophenyl borane.4. The catalyst system of claim 1 , wherein the mono cyclopentadienyl metallocene compound comprises [(MeCp)SiMe(NtBu)]TiMe.5. The catalyst system of claim 1 , wherein the supported bis cyclopentadienyl metallocene complex comprises bis(1 claim 1 ,3-methylbutyl cyclopentadienyl) zirconium dichloride.6. The catalyst system of claim 5 , wherein the supported bis cyclopentadienyl metallocene complex is activated with methyl alumoxane.7. The catalyst system of claim 1 , wherein the supported bis cyclopentadienyl metallocene complex is supported on silica.8. The catalyst system of claim 1 , wherein:(a) the borate activator comprises tris perfluorophenyl borane;{'sub': ...

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Номер записи: 59
23-05-2019 дата публикации

Activator Compositions, Their Preparation, And Their Use In Catalysts

Номер: US20190153135A1
Автор: Lubin Luo, Matthew Grant Thorn, Min Li, Steven P. Diefenbach
Принадлежит: WR Grace and Co Conn

This invention provides activator precursor compositions and activator compositions. The activator precursor compositions are formed from a support material, a linking compound, and polyfunctional compounds having at least two aromatic groups in which at least two of said aromatic groups each has at least one polar moiety thereon. The activator compositions are formed from a support material, a linking compound, an aluminoxane, and a polyfunctional compound having at least two aromatic groups in which at least two of said aromatic groups each has at least one polar moiety thereon. Also provided are catalyst compositions, processes for forming catalyst compositions, and polymerization processes utilizing the catalyst compositions of this invention.

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Номер записи: 60
29-09-2022 дата публикации

Polymerization of ethylene in solution processes using a ziegler-natta catalyst and a hydrogenation procatalyst

Номер: US20220306772A1
Автор: David M. PEARSON, Linfeng Chen
Принадлежит: Dow Global Technologies LLC

Processes of polymerizing olefin monomers and catalyst systems. The catalyst systems include a non-hydrogen-generating post-metallocene procatalyst; a co-catalyst; and a hydrogenation procatalyst having the formula Cp 2 TiX n TiCp 2 or Cp 2 TiX n , in which each Cp is cyclopentadienyl substituted with at least one (C 1 -C 10 )alkyl; each X is independently monoanionic or neutral, wherein each X is independently (C 1 -C 40 )hydrocarbon, (C 1 -C 40 )heterohydrocarbon, (C 1 -C 40 )hydrocarbyl, (C 1 -C 40 )heterohydrocarbyl, or a halogen atom; and n is 1 or 2.

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Номер записи: 61
29-09-2022 дата публикации

PROCESS FOR PREPARATION OF SEMI-CRYSTALLINE FUNCTIONALIZED OLEFIN COPOLYMER

Номер: US20220306779A1
Автор: Bouyahyi Miloud, Duchateau Robbert, Ginzburg Anton, Jasinska-Walc Lidia
Принадлежит:

The present invention relates to a semi-crystalline functionalized olefin copolymer composition and a process for the preparation of a semi-crystalline functionalized olefin copolymer composition. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. A semi-crystalline functionalized olefin copolymer composition comprisingi) from 90-99.99 wt. % of a semi-crystalline functionalized olefin copolymer of at least one olefin monomer selected from the group consisting of propylene, 1-butene, 3-methyl-1-butene, 1-pentene, 4-methyl-1-pentene, 1-hexene, vinyl cyclohexane and 1-octene and at least one functionalized olefin monomer selected from the group consisting of allyl alcohol, 3-buten-1-ol, 3-buten-2-ol, 3-buten-1,2-diol, 5-hexene-1-ol, 5-hexene-1,2-diol, 7-octen-1-ol, 7-octen-1,2-diol, 9-decen-1-ol, 10-undecene-1-ol, 5-norbornene-2-methanol, 3-butenoic acid, 4-pentenoic acid or 10-undecenoic acid, preferably 3-buten-1-ol, 3-buten-2-ol, 10-undecen-1-ol, 4-pentenoic acid and 10-undecenoic acid,ii) from 0.01 to 10 wt. % of at least one cross-linking enhancing agent selected from the group consisting of polyols, polyamines, polyacids, polyethers, polyesters, polycarbonates, polyamides, polyurethanes, polyureas, polysaccharides, and polypeptides, wherein said cross-linking enhancing agent has at least two functionalities,wherein the wt. % is based on the combined weight of the semi-crystalline functionalized olefin copolymer and the cross-linking enhancing agent.12. The semi-crystalline functionalized olefin copolymer composition of wherein the at least one olefin monomer is a first and a second olefin monomer claim 11 , wherein the first and second olefin monomer are different and wherein the amount of the first olefin monomer is at least 75 mol % and the amount of second olefin monomer is at most 25 mol % claim 11 , the mol % based on the total molar amount of first and second olefin monomer. ...

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Номер записи: 62
30-05-2019 дата публикации

Ethylene copolymers produced with single site catalyst

Номер: US20190161569A1
Автор: Bronwyn Gillon, Shivendra Goyal, Stephen Salomons
Принадлежит: Nova Chemicals International SA

Embodiments of the invention described herein relate to a polyethylene polymer composition suitable for use in the manufacture of packaging articles, flexible films and/or sheets. In one embodiment, the copolymer comprises a polyethylene resin with density 0.918 g/cm3 to about 0.935 g/cm3, G′ at G″(500 Pa) value, as determined from Dynamic Mechanical Analysis at 190° C., of less than 40 Pa, Mz/Mw of greater than 2, CDBI50 of greater than 60. Other embodiments relate to polymer compositions with defined molecular characteristics and formulations suitable for use in the manufacture of articles including films, sheets, bags and pouches with improved creep resistance and high toughness and a good balance of film stiffness and processability in monolayer and/or multi-layer film structures.

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Номер записи: 63
21-06-2018 дата публикации

CATALYSTS FOR PREPARATION OF ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE (UHMWPE) AND PROCESS FOR PREPARATION THEREOF

Номер: US20180171039A1
Автор: CHIKKALI Samir Hujur, Patel Ketan
Принадлежит:

The present invention relates to novel polymerization catalysts. More particularly, the present invention relates to a novel catalysts for the preparation of ultra high molecular weight polyethylene (UHMWPE) and process for preparation thereof. The present invention further relates to a process for the preparation of disentangled ultra high molecular weight polyethylene (dis-UHMWPE). 2. The novel olefin polymerization catalyst as claimed in claim 1 , wherein said transition metals are selected from titanium claim 1 , zirconium claim 1 , hafnium claim 1 , vanadium claim 1 , ytterbium and niobium.3. The novel olefin polymerization catalyst as claimed in claim 1 , wherein said compound of Formula (I) is selected from Bis[2-(((2 claim 1 ,3 claim 1 ,4 claim 1 ,5 claim 1 ,6-pentaflourophenyl)imino)methyl)benzenesulfonato]titanium(IV) Dichloride or Bis[2-(((4-methoxybenzylidene)amino)benzoate]Ti(IV) Dichloride.4. A process for the preparation of catalyst of Formula (I) as claimed in comprising the steps of:a) stirring the reaction mixture of sodium salt of aldehyde and amine in suitable solvent in presence of alkyl/aryl sulfonic acid followed by refluxing the reaction mixture at temperature ranging from 140 to 160° C. for the period ranging from 4 h to 6 h to obtain imine compound;b) adding organic solvent solution of metal halide to a stirred solution of compound of step (a) in suitable solvent at the temperature ranging from −78° C. to 80° C. followed by stirring the reaction mixture for the time period ranging from 18 to 20 h at the temperature ranging from 25° C. to 40° C. to obtain compound of Formula (I) wherein B is sulfonate group.5. The process as claimed in claim 4 , wherein said sodium salt of aldehyde is selected from 2-formylbenzenesulfonic acid claim 4 , sodium 2-formyl-6-methylbenzenesulfonate claim 4 , sodium 2-(tert-butyl)-6-formylbenzenesulfonate.6. The process as claimed in claim 4 , wherein said amine is aliphatic or aromatic; said amine is aromatic ...

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Номер записи: 64
06-06-2019 дата публикации

Process For Producing High Cis-1,4-Polydiene With Lanthanide-Based Catalyst Compositions

Номер: US20190169330A1
Автор: Zengquan Qin
Принадлежит: Bridgestone Corp

A method for producing a polydiene, the method comprising the step of: polymerizing conjugated diene monomer with a lanthanide-based catalyst system in the presence of a hydrocarbyloxysilane.

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Номер записи: 65
11-06-2020 дата публикации

Olefin polymerization catalyst comprising cyclotriveratrylene and derivatives thereof

Номер: US20200181296A1
Автор: Bingyi Li, Hongxu Yang, Jie Lin, Junling Zhou, Lunjia Xie, Meiyan Fu, Peng Kou, Qingqiang Gou, Ting Huang, Tingjie HUANG, Xiaofan Zhang, Yonghua MA, Zhufang Sun, Zifang Guo
Принадлежит: Individual

The present invention discloses a Ziegler-Natta catalyst system for olefin polymerization, comprising at least one compound represented by formula (I) as (i) an internal electron donor, (ii) an external electron donor, or (iii) the both, wherein M 1 , M 2 , M 3 , M 4 , M 5 , M 6 , M 1 ′, M 2 ′, M 3 ′, M 4 ′, M 5 ′ and M 6 ′ are each independently selected from the group consisting of hydrogen, hydroxy, amino, aldehyde group, carboxy, acyl, halogen atoms, —R 1 and —OR 2 , wherein R 1 and R 2 are each independently a C 1 -C 10 hydrocarbyl, which is unsubstituted or substituted by a substituent selected from the group consisting of hydroxy, amino, aldehyde group, carboxy, acyl, halogen atoms, C 1 -C 10 alkoxy and heteroatoms; and wherein, when among M 1 -M 6 and M 1 ′-M 6 ′, any two adjacent groups on the same phenyl ring are each independently selected from the group consisting of R 1 and —OR 2 , the two adjacent groups may optionally be linked to form a ring, with a proviso that M 1 , M 2 , M 3 , M 4 , M 5 , M 6 , M 1 ′, M 2 ′, M 3 ′, M 4 ′, M 5 ′ and M 6 ′ are not simultaneously hydrogen.

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Номер записи: 66
13-07-2017 дата публикации

Methods For Making Fluorided Chromium (VI) Catalysts, And Polymerization Processes Using the Same

Номер: US20170198075A1
Автор: Eric D. SCHWERDTFEGER, Kathy S. CLEAR, Max P. McDaniel
Принадлежит: Chevron Phillips Chemical Co LP

Methods for preparing a fluorided chromium catalyst can include a step of calcining a supported chromium catalyst at a peak calcining temperature to produce a calcined supported chromium catalyst, followed by contacting the calcined supported chromium catalyst at a peak fluoriding temperature with a vapor comprising a fluorine-containing compound to produce the fluorided chromium catalyst. The peak fluoriding temperature can be at least 50° C. less, and often from 200° C. to 500° C. less, than the peak calcining temperature. Polymers produced using the fluorided chromium catalyst can have a beneficial combination of higher melt index, narrower molecular weight distribution, and lower long chain branch content.

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Номер записи: 67
27-06-2019 дата публикации

Catalyst System For The Production Of Polyolefins And Method Of Making And Using Same

Номер: US20190194438A1
Автор: Jan Willem VAN EGMOND
Принадлежит: WR Grace and Co Conn

Catalyst systems for polymerization of mixtures comprising an olefin include a selectivity control agent comprising at least one silicon-containing compound containing at least one C1-C10 alkoxy group bonded to a silicon atom and an amount of one or more agent compounds. The agent compound comprises C2-C13 mono- or polycarboxylic esters of aliphatic C2-C7 carboxylic acids and inertly substituted derivatives thereof. One or more polymerization catalysts may also be present. A polymerization process includes contacting an olefin or a mixture of the olefin and one or more copolymerizable comonomers under polymerization conditions with the catalyst composition.

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Номер записи: 68
29-07-2021 дата публикации

PROCESS FOR PREPARING CATALYSTS AND CATALYST COMPOSITIONS

Номер: US20210230318A1
Автор: Chen Chih-Jian, Chung Kevin, Cowen Mary Lou, II Charles R., Jensen Michael D., Johnson, SHIH Wei-Chun, Wang Daoyong, Xu Guangxue
Принадлежит: FORMOSA PLASTICS CORPORATION, U.S.A.

Disclosed are support-activators and catalyst compositions comprising the support-activators for polymerizing olefins in which the support-activator includes clay heteroadduct, prepare from a colloidal phyllosilicate such as a colloidal smectite clay, which is chemically-modified with a heterocoagulation agent. By limiting the amount of heterocoagulation reagent relative to the colloidal smectite clay as described herein, the smectite heteroadduct support-activator is a porous and amorphous solid which can be readily isolated from the resulting slurry by a conventional filtration process, and which can activate metallocenes and related catalysts toward olefin polymerization. Related compositions and processes are disclosed. 1. A support-activator comprising an isolated smectite heteroadduct , the smectite heteroadduct comprising the contact product in a liquid carrier of [1] a colloidal smectite clay and [2] a heterocoagulation reagent comprising at least one cationic polymetallate and in an amount sufficient to provide a slurry of the smectite heteroadduct having a zeta potential in a range of from about positive (+)25 mV (millivolts) to about negative (−)25 mV.2. A support-activator according to claim 1 , wherein the smectite clay comprises montmorillonite claim 1 , sauconite claim 1 , nontronite claim 1 , hectorite claim 1 , beidellite claim 1 , saponite claim 1 , bentonite claim 1 , or any combination thereof.3. A support-activator according to claim 1 , wherein the cationic polymetallate comprises a cationic polyaluminate selected from polyaluminum chloride claim 1 , aluminum chlorhydrate claim 1 , aluminum sesquichlorohydrate claim 1 , or polyaluminum oxyhydroxychloride claim 1 , or any combination thereof.4. A support-activator according to claim 1 , wherein the cationic polymetallate comprises a cationic polyaluminate selected from polyaluminum chloride claim 1 , aluminum chlorhydrate claim 1 , aluminum sesquichlorohydrate claim 1 , polyaluminum ...

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Номер записи: 69
02-07-2020 дата публикации

LOW DENSITY ETHYLENE-BASED POLYMERS FOR LOW SPEED EXTRUSION COATING OPERATIONS

Номер: US20200207889A1
Автор: Dang Nhi T.Y., Den Doelder Cornelis F.J., KUPSCH Eva-Maria, Lee Edward L.
Принадлежит: Dow Global Technologies LLC

A polyethylene homopolymer comprising the following properties: a) a melt index (I2) from 1.0 to 3.5 dg/min; b) a Mw(abs) versus I2 relationship: Mw(abs)≥A+B(I2), where A=3.20×10g/mole, and B=−8.00×10(g/mole)/(dg/min); c) a Mw(abs) versus I2 relationship: Mw(abs)≤C+D(I2), where C=3.90×10g/mole, and D=−8.00×10(g/mole)/(dg/min).

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Номер записи: 70
12-08-2021 дата публикации

Production method for aromatic vinyl-diene copolymer and production method for rubber composition

Номер: US20210246246A1
Автор: Ayaki Kazariya, Hideaki Sawa, Kazuya Uenishi, Masaki Sato, Yoshihiro Kameda, Yu Shinke
Принадлежит: Yokohama Rubber Co Ltd

An object of the present invention is to provide a method of producing a copolymer that produces an aromatic vinyl-diene copolymer having a low glass transition temperature, and a method of producing a rubber composition using the method. The subject method produces an aromatic vinyl-diene copolymer having a content of repeating units derived from an aromatic vinyl in an amount of 18 mass % or greater, and among repeating units derived from a diene, a proportion of a vinyl structure of 8 mol % or less, a proportion of a 1,4-trans structure of 60 mol % or less, and a proportion of a 1,4-cis structure from 40 to 95 mol %, the method including copolymerizing a monomer containing an aromatic vinyl and a diene using an initiator prepared with an organolithium compound, an alkylaluminum, a metal alcoholate, and at least one polar compound selected from the group consisting of water and an alcohol.

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Номер записи: 71
24-08-2017 дата публикации

CONTINUITY COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME

Номер: US20170240674A1
Автор: Awe Michael D., Cao Phuong A., Glowczwski David M., Hussein Fathi David, Kuo Chi-I, Lynn Timothy R., Mariott Wesley R., Pannell Richard B.
Принадлежит: UNIVATION TECHNOLOGIES, LLC

Continuity compositions are provided as are methods of their preparation. The compositions comprise metal carboxylate salts and fatty amines and find advantageous use in olefin polymerization processes. 114.-. (canceled)15. A process for producing a continuity composition , comprising the step of contacting at least one metal carboxylate salt with at least one molten fatty amine.16. The process of comprising the step of:contacting at least one metal carboxylate salt and at least one molten fatty amine in at least one liquid vehicle, so as to form a slurry of the continuity composition in said liquid vehicle.17. The process of claim 16 , comprising the steps of:a) combining the at least one metal carboxylate salt with the liquid vehicle; andb) adding the at least one molten fatty amine to the mixture formed in a) so as to form a slurry of the continuity composition in said liquid vehicle.18. The process of wherein step a) is performed at a temperature from between about 20° C. and about 80° C.19. The process of claim 18 , comprising the steps of:c) combining the at least one molten fatty amine with the liquid vehicle; andd) adding the at least one metal carboxylate salt to the mixture formed in a) so as to form a slurry of the continuity composition in said liquid vehicle.20. The process of claim 17 , wherein the process further comprises the step of:drying the slurry formed in step b) until the moisture level is below 1000 ppm.24. The process of claim 15 , wherein the at least one metal carboxylate salt comprises an aluminum carboxylate.25. The process of claim 15 , wherein the metal carboxylate salt comprises an aluminum mono-stearate claim 15 , an aluminum di-stearate claim 15 , an aluminum tri-stearate claim 15 , or a combination thereof.26. The process of claim 15 , wherein the liquid vehicle is mineral oil claim 15 , an aromatic hydrocarbon or an aliphatic hydrocarbon.27. The process of further comprising the step of adding one or more further metal carboxylate ...

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Номер записи: 72
01-08-2019 дата публикации

Dual Catalyst System for Producing LLDPE Copolymers with Improved Processability

Номер: US20190233551A1
Автор: DING Errun, Inn Yongwoo, Muninger Randall S., TSO Chung C., YANG Qing, YU Youlu
Принадлежит:

Disclosed herein are ethylene-based polymers generally characterized by a density from 0.89 to 0.93 g/cm, a ratio of Mw/Mn from 3 to 6.5, a Mz from 200,000 to 650,000 g/mol, a CY-a parameter at 190° C. from 0.2 to 0.4, and a reverse short chain branching distribution. The ATREF profile of these polymers can have a high temperature peak from 92 to 102° C., and a low temperature peak from 18 to 36° C. less than that of the high temperature peak. These polymers can have comparable physical properties to that of a metallocene-catalyzed LLDPE, but with improved processability, shear thinning, and melt strength, and can be used in blown film and other end-use applications. 118-. (canceled)19. An olefin polymerization process , the process comprising contacting a catalyst composition with an olefin monomer and an olefin comonomer in a polymerization reactor system under polymerization conditions to produce an olefin polymer , wherein:the catalyst composition comprises a half-metallocene titanium compound, a bridged metallocene compound, an activator, and a co-catalyst; and [{'sup': '3', 'a density in a range from about 0.89 to about 0.93 g/cm;'}, 'a ratio of Mw/Mn in a range from about 3 to about 6.5;', 'a Mz in a range from about 200,000 to about 650,000 g/mol;', 'a CY-a parameter at 190° C. in a range from about 0.2 to about 0.4; and', "a number of short chain branches (SCB's) per 1000 total carbon atoms of the polymer at Mz that is greater than at Mn."], 'the olefin polymer is characterized by20. The process of claim 19 , wherein:the olefin monomer comprises ethylene;{'sub': 3', '10, 'the olefin comonomer comprises a C-Calpha-olefin; and'}the polymerization reactor system comprises a slurry reactor, a gas-phase reactor, a solution reactor, or a combination thereof21. The process of claim 20 , wherein the olefin polymer is an ethylene polymer having the following polymer fractions in an ATREF test:from about 0.1 to about 8 wt. % of the polymer eluted below a temperature ...

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Номер записи: 73
31-08-2017 дата публикации

Passivated supports: catalyst, process, product and film

Номер: US20170247485A1
Автор: Darryl J Morrison, Patrick Lam
Принадлежит: Nova Chemicals International SA

Ethylene copolymers made in the gas phase using a phosphinimine based single site catalyst supported on a passivated inorganic oxide support. The ethylene copolymers have a relatively narrow molecular weight distribution and good rheological parameters.

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Номер записи: 74
07-09-2017 дата публикации

Catalyst Systems and Methods of Making and Using the Same

Номер: US20170253676A1
Автор: Jain Anupriya, Luo Lubin, Ye Xuan
Принадлежит:

Olefin polymerization catalyst systems and methods for making and using the same are provided. 2. The catalyst system of claim 1 , wherein said silica gel particles have an average surface area of from about 550 to 650 m/g.3. The catalyst system of claim 1 , wherein said silica gel particles have an average pore diameter of from about 80 to 130 angstrom.4. The catalyst system of claim 1 , wherein said silica gel particles have an average pore volume of from about 0.5 to 2.5 ml/g of silica.5. The catalyst system of claim 1 , wherein said silica gel particles have an average particle size of from about 20 to 200 micrometers.6. The catalyst system of claim 1 , wherein at least 50% of the incremental pore volume is comprised of pores having a pore diameter larger than about 100 angstrom.7. The catalyst system of claim 1 , wherein said aluminoxane loading on the support is greater than about 12 mmol Al/g silica.8. The catalyst system of claim 1 , further comprising a metallocene catalyst component.9. The catalyst system of claim 1 , wherein a raw silica surface area and a supported aluminoxane surface area differ by about or less than 10%.10. The catalyst system of claim 1 , wherein a raw silica particle size and a supported aluminoxane particle size differ by about or less than 10% on a volumetric basis.11. The catalyst system of claim 1 , wherein the volume percent of pores with a pore size of from 300 to 1500 angstroms is from 4.0 vol % to 80 vol %.12. The catalyst system of claim 1 , wherein the volume percent of pores with a pore size of from 300 to 1500 angstroms is from 35 vol % to 75 vol %.13. The catalyst system of claim 1 , wherein the volume percent of pores with a pore size of from 300 to 1500 angstroms is from 40 vol % to 75 vol %.15. The method of claim 14 , wherein said silica gel particles have an average surface area of from about 500 to 700 m/g.16. The method of claim 14 , wherein said silica gel particles have an average pore volume of from about 0.5 ...

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Номер записи: 75
06-09-2018 дата публикации

PROCESS FOR THE PREPARATION OF A POLYOLEFIN HAVING ONE OR MULTIPLE PENDING FUNCTIONALITIES

Номер: US20180251585A1
Автор: Bouyahyi Miloud, Duchateau Robbert, Jasinska-Walc Lidia, Zuideveld Martin Alexander
Принадлежит:

The present invention relates to a process for the preparation of branched polyolefins having pending polar functionalities via the copolymerization of first an olefin monomer and second an olefin monomer comprising a main group metal hydrocarbyl functionality agent. The invention moreover relates to branched polyolefin having short chain branches with polar functionalities. 2. The process according to claim 1 , wherein said oxidizing agent used in step B) is an oxidizing agent according to Formula I:{'br': None, 'sub': a', 'b', 'c, 'sup': 1', '2, 'XYZZ(Formula I)'}{'sup': 1', '2, 'wherein a is 1, b and c are each independently 0 or 1 and X, Y, Zand Zare independently selected from carbon, hydrocarbyl or heteroatom.'}3. The process according to claim 1 , wherein the oxidizing agent used in step B) is selected from the group consisting of CO claim 1 , CO claim 1 , CS claim 1 , COS claim 1 , RNCO claim 1 , RNCS claim 1 , RNCNR claim 1 , CH═C(R)C(═O)OR claim 1 , CH═C(R)(C═O)N(R)R claim 1 , CH═C(R)P(═O)(OR)OR claim 1 , NO claim 1 , RCN claim 1 , RNC claim 1 , epoxide claim 1 , aziridine claim 1 , cyclic anhydride claim 1 , RRC═NR claim 1 , RC(═O)R claim 1 , ClC(═O)ORand SO.4. The process according to claim 1 ,{'sup': 100', '101', '102', '100', '101', '102, 'wherein at least one of R, Rand Ris a hydrocarbyl group Q and the remaining groups of R, Rand Rare each a C1-C4 hydrocarbyl group, or'}{'sup': 100', '101', '102', '100', '101', '102, 'wherein two groups of R, Rand Rare each a hydrocarbyl group Q and the remaining group of R, Rand Ris a C1-C4 hydrocarbyl group, or'}{'sup': 100', '101', '102, 'wherein all of R, Rand Rare a hydrocarbyl group Q.'}5. The process according to claim 1 , wherein the hydrocarbyl group Q according to Formula 1b attached to a main group metal is a linear α-olefin group or a cyclic unsaturated hydrocarbyl group.6. The process according to claim 1 , wherein at least one type of olefin monomer comprises a main group metal hydrocarbyl functionality ...

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Номер записи: 76
07-10-2021 дата публикации

PROCESS FOR PREPARATION OF SEMI-CRYSTALLINE POLYOLEFINIC IONOMERS

Номер: US20210309775A1
Автор: Bouyahyi Miloud, Duchateau Robbert, Ginzburg Anton, Jasinska-Walc Lidia, Troisi Enrico
Принадлежит:

The present invention relates to a semi-crystalline polyolefinic ionomer and a process for the preparation of a semi-crystalline polyolefinic ionomer. 2. The process of claim 1 , wherein the olefin monomer is selected from the group consisting of propylene claim 1 , 1-butene claim 1 , 3-methyl-1-butene claim 1 , 1-pentene claim 1 , 4-methyl-1-pentene claim 1 , 1-hexene claim 1 , vinyl cyclohexane and 1-octene.3. The process of claim 1 , wherein the at least one functionalized olefin monomer is selected from the group consisting of allyl alcohol claim 1 , 3-buten-1-ol claim 1 , 3-buten-2-ol claim 1 , 3-buten-1 claim 1 ,2-diol claim 1 , 5-hexene-1-ol claim 1 , 5-hexene-1 claim 1 ,2-diol claim 1 , 7-octen-1-ol claim 1 , 7-octen-1 claim 1 ,2-diol claim 1 , 9-decen-1-ol claim 1 , 10-undecene-1-ol claim 1 , 5-norbornene-2-methanol claim 1 , 3-butenoic acid claim 1 , 4-pentenoic acid or 10-undecenoic acid.4. The process of claim 1 , wherein the amount of the functionalized olefin monomers in step a1) is from 0.01 to 30 mol % claim 1 , with respect to the total molar amount of the olefin monomers and the functionalized olefin monomers.5. The process of claim 1 , wherein the masking agent is selected from trialkyl aluminum complexes claim 1 , dialkyl magnesium complexes claim 1 , dialkyl zinc complexes or trialkyl boron complexes.6. The process of claim 1 , wherein in step b1) or b2) the metal salt is a fluoride claim 1 , chloride claim 1 , bromide claim 1 , iodide claim 1 , hydroxide claim 1 , nitrite claim 1 , nitrate claim 1 , formate claim 1 , acetate claim 1 , bicarbonate claim 1 , carbonate claim 1 , sulfite claim 1 , sulfate claim 1 , chlorate claim 1 , perchlorate claim 1 , bromate or EDTA salt of a metal selected from one or more of lithium claim 1 , sodium claim 1 , potassium and silver.7. The process according to claim 1 , wherein in step b1) or b3) the multi-valent metal salt is a fluoride claim 1 , chloride claim 1 , bromide claim 1 , iodide claim 1 , hydroxide ...

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Номер записи: 77
15-08-2019 дата публикации

Ethylene Polymer, Stretched Molded Article and Microporous Membrane

Номер: US20190248979A1
Автор: Hidenobu Takeyama, Shinsuke Mochizuki
Принадлежит: Asahi Kasei Corp

The present invention presents an ethylene polymer, wherein the ethylene polymer has a weight average molecular weight (Mw) of 200,000 or more and 3,000,000 or less, a proportion of a component (α130) with the lowest mobility of 40% or more and 60% or less, and a ratio β/γ of a middle motion component (β) to a component (γ) with the highest mobility of 1.0 or more and 4.0 or less when a three-component approximation of free induction decay at 130° C. measured by a solid echo method of pulse NMR is performed.

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Номер записи: 78
04-12-2014 дата публикации

Modified phosphinimine catalysts for olefin polymerization

Номер: US20140357817A1
Автор: Charles Ashton Garret Carter, Cliff Robert Baar, Patrick Lam, Peter Phung Minh Hoang, Victoria Ker, Yan Jiang
Принадлежит: Nova Chemicals International SA

Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.

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Номер записи: 79
22-08-2019 дата публикации

PROCATALYST COMPOSITIONS USEFUL FOR LOW COMONOMER INCORPORATION AND PROCESS FOR PREPARING THE SAME

Номер: US20190256618A1
Автор: Chen Linfeng, Demirors Mehmet, Ginger Douglas S., Karjaia Teresa P., Springs Marc A.
Принадлежит:

The present disclosure relates to novel procatalyst compositions including a titanium moiety, a magnesium halide support, a hydrocarbon solution in which the magnesium halide support is formed, and an electron donor modifier described herein. The present disclosure further relates to a one-pot process for preparing the novel procatalyst compositions, as well as use of the novel procatalyst compositions in solution processes for polymerization of ethylene and at least one addition polymerizable monomer to form a polymer composition. 2. The procatalyst composition of claim 1 , wherein R is hydrogen.3. The procatalyst composition of claim 1 , wherein at least one X group is a substituted or unsubstituted 4 claim 1 ,6-bis(dialkylamino)-1 claim 1 ,3 claim 1 ,5-triazin-2-yl group.4. The procatalyst composition of claim 1 , wherein at least one X group is a substituted or unsubstituted piperidyl group.5. The procatalyst composition as claimed in any one of to claim 1 , wherein the electron donor modifier having the formula (II) is in oligomeric or polymeric form.6. The procatalyst composition of claim 5 , wherein the electron donor modifier having the formula (II) has a molecular weight of greater than 1000 daltons.7. The procatalyst composition of claim 5 , wherein the electron donor modifier having the formula (II) is a hindered amine light stabilizer.8. The procatalyst composition of claim 5 , wherein the electron donor modifier having the formula (II) is soluble in a hydrocarbon solvent.9. A process for preparing a procatalyst composition comprising the steps of(a) reacting a hydrocarbon-soluble organomagnesium compound or complex thereof in a hydrocarbon solvent with an active non-metallic or metallic halide to form a magnesium halide support;(b) contacting the magnesium halide support and a compound containing titanium to form a supported titanium procatalyst; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, '(c) contacting the supported titanium procatalyst with ...

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Номер записи: 80
22-08-2019 дата публикации

CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, CATALYST, AND USE THEREOF

Номер: US20190256623A1
Автор: Cai Xiaoxia, Chen Jianhua, Gao Mingzhi, Hu Jianjun, Li Changxiu, Liu Haitao, MA Changyou, Ma Jing, Ma Jixing, Wang Jun, Zhang Zhihui
Принадлежит:

Disclosed is a catalyst component for olefin polymerization. The catalyst component comprises magnesium, titanium, halogen and an internal electron donor. The internal electron donor includes an imine compound with a ketone group as shown in Formula I. Disclosed further is a method of preparing the catalyst component, and a catalyst for olefin polymerization containing the catalyst component. When the catalyst is used in olefin polymerization reaction especially propene polymerization reaction, the catalyst has a high long-term activity and good hydrogen response, and the obtained polymer has characteristics of an adjustable isotactic index and a relatively wide molecular weight distribution. 2. The catalyst component according to claim 1 , wherein based on the weight of the catalyst component claim 1 , a content of magnesium is in a range of 5 wt %-50 wt % claim 1 , a content of titanium is in a range of 1.0 wt %-8.0 wt % claim 1 , a content of halogen is in a range of 10 wt %-70 wt % claim 1 , a content of the internal electron donor is in a range of 0.1 wt %-20 wt %.3. The catalyst component according to claim 1 , wherein R is methyl claim 1 , ethyl claim 1 , n-propyl claim 1 , isopropyl claim 1 , n-butyl claim 1 , isobutyl claim 1 , sec-butyl claim 1 , tert-butyl claim 1 , pentyl claim 1 , hexyl claim 1 , hydroxyalkyl claim 1 , phenyl claim 1 , halogenated phenyl claim 1 , alkyl-substituted phenyl claim 1 , naphthyl claim 1 , biphenyl claim 1 , or a heterocycle-containing group; the heterocycle-containing group is preferably a pyrrole-containing group claim 1 , a pyridine-containing group claim 1 , a pyrimidine-containing group claim 1 , or a quinolone-containing group.4. The catalyst component according to claim 1 , wherein each of R claim 1 , R claim 1 , R claim 1 , and Ris independently selected from a group consisting of methyl claim 1 , ethyl claim 1 , n-propyl claim 1 , isopropyl claim 1 , n-butyl claim 1 , isobutyl claim 1 , sec-butyl claim 1 , tert-butyl ...

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Номер записи: 81
22-08-2019 дата публикации

Methods To Prepare Catalysts For In-Line Bulk Polymerization

Номер: US20190256627A1
Автор: Kevin M. McCauley
Принадлежит: Bridgestone Corp

A method is described for the formation of an active catalyst system for use in the in-line bulk polymerization of polydienes. The method provides a homogeneous, active catalyst system which is capable of being transported to a polymerization reactor for use without causing blockages in piping, thereby saving time and production costs. The catalyst system is formed in-line in a continuous method to avoid prolonged storage periods of the catalyst that can otherwise lead to degradation and disposal of the aged catalyst system.

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Номер записи: 82
20-09-2018 дата публикации

OLEFIN-POLYMERIZATION SOLID CATALYTIC COMPONENT, PRODUCTION METHOD FOR OLEFIN-POLYMERIZATION CATALYST, AND PRODUCTION METHOD FOR OLEFIN POLYMER

Номер: US20180265612A1
Автор: Kono Hiroyuki, Sugano Toshihiko, Uozumi Toshiya, Yamada Shingo
Принадлежит: TOHO TITANIUM CO., LTD.

A solid catalyst component for olefin polymerization is produced by bringing a vinylsilane compound (d) into contact with a catalyst component, the catalyst component being a powdery solid component obtained by bringing a magnesium compound (a), a titanium halide compound (b), and an electron donor compound (c) into contact with each other, the electron donor compound (c) being one or more compounds that do not include a phthalic ester structure, and include one or more groups selected from an ester group, a carbonate group, and an ether group, the vinylsilane compound (d) being brought into contact with the catalyst component in a 0.1 to 15-fold molar quantity with respect to the molar quantity (on a titanium atom basis) of the titanium halide compound (b) included in the catalyst component. 1. A solid catalyst component for olefin polymerization that is produced by bringing a vinylsilane compound (d) into contact with a catalyst component , the catalyst component being a powdery solid component obtained by bringing a magnesium compound (a) , a titanium halide compound (b) , and an electron donor compound (c) into contact with each other , the electron donor compound (c) being one or more compounds that do not comprise a phthalic acid ester structure , and comprise one or more groups selected from an ester group , a carbonate group , and an ether group , the vinylsilane compound (d) being brought into contact with the catalyst component in a 0.1 to 15-fold molar quantity with respect to the molar quantity (on a titanium atom basis) of the titanium halide compound (b) included in the catalyst component.2. The solid catalyst component for olefin polymerization according to claim 1 , wherein the electron donor compound (c) is at least one compound selected from a succinic acid ester claim 1 , a maleic acid ester claim 1 , a cyclohexenecarboxylic acid ester claim 1 , an ether carboxylic acid ester claim 1 , a dicarbonate claim 1 , and an ether carbonate.5. The solid ...

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Номер записи: 83
29-08-2019 дата публикации

Metal complex and method for producing the same, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the metal complex, and methods for producing ?-olefin polymer and copolymer using the catalyst for olefin polymerization

Номер: US20190263945A1
Автор: Akio Tanna, Hisashi Ohtaki, Kyoko Nozaki, Shingo Ito, Takao Tayano, Wen-Jie Tao, Yasuo Ohishi, Yohei KONISHI
Принадлежит: Japan Polychem Corp, University of Tokyo NUC

Provided are a novel catalyst component for producing an α-olefin (co)polymer, and a production method using the same. A metal complex is obtainable by contacting a compound represented by the general formula [I] or [II] with a transition metal compound containing a transition metal belonging to 9th to 11th group: wherein R 1 , R 2 , R 3 and R 4 represent (i) hydrogen, (ii) a halogen, (iii) a linear alkyl or the like, or (iv) OR 9 or the like; R 5 and R 6 represent a linear alkyl group or the like; any one of R 1 -R 6 may have a heteroatom or a heteroatom containing group; E 1 represents phosphorus, arsenic or antimony; X 1 represents oxygen or sulfur; Z represents hydrogen or a leaving group.

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Номер записи: 84
29-08-2019 дата публикации

PROCESS FOR THE PREPARATION OF POLYMERIZED POLYETHYLENE WAX

Номер: US20190263947A1
Автор: Charoenchaidet Sumate, KHAMNAEN Tossapol, NEALMONGKOLRATTANA Nittiphat, PARAWAN Thawesak, SRIPOTHONGNAK Saovalak
Принадлежит: SCG Chemicals Co., Ltd.

The present invention relates to a process for the preparation of a polyethylene wax, the process comprising the steps of providing a catalyst solution, wherein the catalyst solution comprises at least one activating compound, an alkylaluminoxane and a me-tallocene complex, wherein the molar ratio of the activating compound to aluminum comprised in the alkylaluminoxane is from 0.0005 to 0.20; and polymerizing ethylene, by contacting the ethylene and the catalyst solution. 1. A process for the preparation of a polyethylene wax , the process comprising the steps: 'wherein the catalyst solution comprises at least one activating compound, an alkylaluminoxane and a metallocene complex, wherein the molar ratio of the activating compound to aluminum comprised in the alkylaluminoxane is from 0.0005 to 0.20; and', '(i) providing a catalyst solution,'}(ii) polymerizing ethylene, by contacting the ethylene and the catalyst solution.2. The process according to claim 1 , wherein the activating compound is selected from the group consisting of phenols claim 1 , alcohols claim 1 , sulfonic acids claim 1 , sulfonates claim 1 , boronic acids claim 1 , boronates claim 1 , heterocycles claim 1 , amines claim 1 , amides and nitriles.3. The process according to claim 1 , wherein the activating compound is selected from the group consisting of phenol claim 1 , 2 claim 1 ,6-bis(tert-butyl)-4-methylphenol claim 1 , 2 claim 1 ,3 claim 1 ,4 claim 1 ,5 claim 1 ,6-pentafluorophenol claim 1 , 2 claim 1 ,3 claim 1 ,5 claim 1 ,6-tetrafluorophenol claim 1 , 2 claim 1 ,4 claim 1 ,6-trifluorophenol claim 1 , 2 claim 1 ,5-difluorophenol claim 1 , 3 claim 1 ,5-difluorophenol claim 1 , 4-fluorophenol claim 1 , 3 claim 1 ,5-bis(trifluoromethyl)phenol claim 1 , trifluoromethanol claim 1 , 1 claim 1 ,1 claim 1 ,2 claim 1 ,2 claim 1 ,2-pentafluoroethanol claim 1 , 2 claim 1 ,2 claim 1 ,2-trifluoroethanol claim 1 , 1 claim 1 ,1 claim 1 ,1 claim 1 ,3 claim 1 ,3 claim 1 ,3-hexafluoro-2-(trifluoromethyl)propan ...

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Номер записи: 85
27-09-2018 дата публикации

A process for preparing functional polymers through addition of amino and polymeryl groups to aldehyde moieties

Номер: US20180273654A1
Автор: David D. Devore, Lixin Sun
Принадлежит: Dow Global Technologies LLC

The present disclosure relates to a one-pot process for synthesizing functional compounds or functional polymers by reacting an aldehyde with an alkyl-zinc or polymeryl-zinc composition in the presence of a specific Lewis acid, wherein the reaction is rapid and facile at high temperatures.

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Номер записи: 86
27-09-2018 дата публикации

Catalyst Systems and Methods for Preparing and Using the Same

Номер: US20180273655A1
Автор: Kuo Chi-I
Принадлежит:

Methods for preparing a catalyst system that includes contacting at least one aromatic hydrocarbon, at least one activator, at least one catalyst having a Group 3 through Group 12 metal atom or lanthanide metal atom, and at least one catalyst support to form a first mixture, are provided. Methods include reducing the amount of the aromatic hydrocarbon in the first mixture to form a second mixture having 1.5 wt % or less of the aromatic hydrocarbon based on the total weight of the second mixture. Methods may further include adding a saturated hydrocarbon to the second mixture to form a third mixture. 1. A method for preparing a catalyst system comprising:contacting at least one aromatic hydrocarbon, at least one activator, at least one catalyst having a Group 3 through Group 12 metal atom or lanthanide metal atom, and at least one catalyst support to form a first mixture;reducing the amount of aromatic hydrocarbon in the first mixture to form a second mixture having 1.5 wt % or less of the at least one aromatic hydrocarbon based on the total weight of the second mixture; andadding at least one saturated hydrocarbon to the second mixture to form to form a third mixture.2. The method of claim 1 , wherein the activator is an alkylalumoxane.3. The method of claim 1 , wherein the saturated hydrocarbon is a C-Chydrocarbon or mixture thereof.4. The method of claim 3 , wherein the C-Chydrocarbon is selected from the group consisting of isopentane claim 3 , isohexane claim 3 , hexane claim 3 , heptane claim 3 , and mixtures thereof.5. The method of claim 1 , wherein reducing aromatic hydrocarbon comprises applying heat at about 40° C. or less to the first mixture.6. The method of claim 1 , wherein the second mixture has 0.5 wt % or less of the aromatic hydrocarbon based on the total weight of the second mixture.7. The method of claim 1 , wherein after reducing claim 1 , the catalyst system comprises about 0 wt % of the aromatic hydrocarbon based on the total weight of the ...

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Номер записи: 87
25-12-2014 дата публикации

Modified phosphinimine catalysts for olefin polymerization

Номер: US20140378632A1
Автор: Charles Ashton Garret Carter, Cliff Robert Baar, Patrick Lam, Peter Phung Minh Hoang, Victoria Ker, Yan Jiang
Принадлежит: Nova Chemicals International SA

Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.

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Номер записи: 88
12-10-2017 дата публикации

Method for preparing polyolefin polymer for fiber production

Номер: US20170291969A1
Автор: Dae Sik Hong, Eun Kyoung Song, Heon Yong KWON, Ki Heon SONG, Ki Soo Lee, Seung Mi Lee, Yi Young Choi, Young Suk You
Принадлежит: LG Chem Ltd

The present invention relates to a polyolefin which exhibits a narrow molecular weight distribution, high strength, and a high stretching ratio, and a preparation method therefor. According to the present invention, it is possible to provide polyethylene with high catalyst activity, high molecular weight, and controlled molecular weight distribution by using, in polymerization of an olefin monomer, a hybrid supported metallocene catalyst in which a borate compound is used as a second cocatalyst. In addition, if the polyolefin is processed, it is possible to produce a fiber with excellent mechanical properties and an excellent stretching ratio.

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Номер записи: 89
24-09-2020 дата публикации

OLEFIN POLYMERIZATION CATALYST

Номер: US20200299420A1
Автор: Bailey Brad C., Camelio Andrew M., Christianson Matthew D., Davis Anna V., Froese Robert D.J., Klinkenberg Jessica L.
Принадлежит: Dow Global Technologies LLC

An olefin polymerization catalyst system comprising: a procatalyst component comprising a metal-ligand complex of Formula (I) wherein each X is independently a monodentate or polydentate ligand that is neutral, monoanionic, or dianionic, wherein n is an integer, and wherein X and n are chosen such that the metal-ligand complex of Formula (I) is overall neutral; wherein each R1 and R5 independently is selected from (C1-C40)hydrocarbyls, substituted (C1-C40)hydrocarbyls; (C1-C40)heterohydrocarbyls and substituted (C1-C40)heterohydrocarbyls; wherein each R2 and R4 independently is selected from (C1-C40)hydrocarbyls and substituted (C1-C40)hydrocarbyls; wherein R3 is selected from the group consisting of a (C3-C40)hydrocarbylene, substituted (C3-C40)hydrocarbylene, [(C+Si)3-(C+Si)40]organosilylene, substituted [(C+Si)3-(C+Si)40]organosilylene, [(C+Ge)3-(C+Ge)40]organogermylene, or substituted [(C+Ge)3-(C+Ge)40]organogermylene; wherein each N independently is nitrogen; and optionally, two or more R1-5 groups each independently can combine together to form mono-aza ring structures, with such ring structures having from 5 to 16 atoms in the ring excluding any hydrogen atoms. 2. The olefin polymerization catalyst system according to claim 1 , wherein each X independently is Me claim 1 , Bn claim 1 , or Cl.3. The olefin polymerization catalyst system according to claim 1 , wherein Ris an optionally substituted 5 atom bridge such that 5 atoms define the shortest chain connecting the bridged N atoms of Formula (I).4. The olefin polymerization catalyst system according to claim 1 , wherein Rand Rare each independently a (C-C)aryl or substituted (C-C)aryl group.5. The olefin polymerization catalyst system according to claim 1 , wherein Ris an optionally substituted 5 atom bridge such that 5 atoms define the shortest chain connecting the bridged N atoms of Formula (I) and Rand Rare each independently a (C-C)aryl or substituted (C-C)aryl group.6. The olefin polymerization catalyst ...

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Номер записи: 90
24-09-2020 дата публикации

OLEFIN POLYMERIZATION CATALYST SYSTEMS AND METHODS OF USE THEREOF

Номер: US20200299430A1
Автор: Bailey Brad C., Christianson Matthew D., SREEKUMAR Sanil
Принадлежит: Dow Global Technologies LLC

An olefin polymerization catalyst system includes a procatalyst component chosen from metal-ligand complexes of Formula (I): In Formula (I), each X is independently a monodentate or polydentate ligand that is neutral, monoanionic, or dianionic; the metal-ligand complex of Formula (I) is overall neutral; each Y-Yand Y-Yindependently is selected from C or N such that six membered diaza (N) or triaza (N) rings are formed; wherein each Rand Rindependently are chosen from (C-C) hydrocarbyl, substituted (C-C) hydrocarbyl, (C-C) heterohydrocarbyl, and substituted (C-C) heterohydrocarbyl or is absent; each R, R, R, R, R, and Ris chosen from hydrogen; (C-C) hydrocarbyl; substituted (C-C) hydrocarbyl; (C-C) heterohydrocarbyl; substituted (C-C) heterohydrocarbyl; halogen, nitro (NO) or is absent; each Rand Rindependently is chosen from (C-C) hydrocarbyl, substituted (C-C) hydrocarbyl, (C-C) heterohydrocarbyl, and substituted (C-C) heterohydrocarbyl. 2. The olefin polymerization catalyst system of claim 1 , wherein each X independently is Me claim 1 , Bn claim 1 , or Cl.3. The olefin polymerization catalyst system of claim 1 , wherein Rand Rare each independently (C-C) primary or secondary alkyl groups or substituted primary or secondary alkyl groups.4. The olefin polymerization catalyst system of claim 1 , wherein Rand Rare aryl claim 1 , substituted aryl claim 1 , heteroaryl claim 1 , or substituted heteroaryl groups.6. The olefin polymerization catalyst system of claim 5 , wherein said metal-ligand complex of Formula (I) is selected from the group consisting of complexes according to Formula (I.a) claim 5 , complexes according to Formula (I.b) claim 5 , complexes according to Formula (I.c) claim 5 , and complexes according to Formula (I.d).7. The olefin polymerization catalyst system of claim 5 , wherein said metal-ligand complex of Formula (I) is a complex according to Formula (I.c).10. The olefin polymerization catalyst system of claim 1 , wherein M is zirconium or hafnium ...

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Номер записи: 91
17-11-2016 дата публикации

CATALYST SYSTEM FOR POLYMERIZATION OF AN OLEFIN

Номер: US20160333121A1
Автор: BATINAS-GEURTS Aurora Alexandra, Zuideveld Martin Alexander
Принадлежит:

The present invention relates to a process for the preparation of a catalyst system suitable for olefin polymerization wherein the external electron donor is n-propyltriethoxysilane, and a catalyst system obtained or obtainable by said process. The invention also relates to a process for preparing a polyolefin using said catalyst system. The invention further relates to a polyolefin, in particular polyprolyene, obtainable by such a process, and shaped articles manufactured from such a polymer. The polymers produced using the catalyst system exhibit low volatiles and therefore have a reduced environmental and health impact. 1. A process for the preparation of a catalyst system suitable for olefin polymerization , said process comprising:providing a magnesium-based support;optionally activating said magnesium-based support;contacting said magnesium-based support with a Ziegler-Natta type catalytic species, and optionally one or more internal electron donors to yield a procatalyst, andcontacting said procatalyst with a co-catalyst and at least one external donor;wherein the at least one external electron donor is n-propyltriethoxysilane.2. The process according to claim 1 , wherein the process comprises:{'sub': 2', '2, 'i) preparing a magnesium-based support by heating a carbonated magnesium compound of the formula MgR′R″xCOwherein R′ is an alkoxide or aryloxide group, R″ is an alkoxide group, aryloxide group or halogen, and x has a value between about 0.1 and 2.0 to a temperature above 100° C. for a period of time sufficient to cause complete loss of CO;'}ii) contacting the resulting product with a halide of tetravalent titanium as the Ziegler-Natta type catalytic species in the presence of a halohydrocarbon and an internal electron donor; andiii) contacting the resulting halogenated product with a tetravalent titanium halide; and contacting said product obtained with a co-catalyst and at least one external donor; wherein the at least one external electron donor is n- ...

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Номер записи: 92
08-10-2020 дата публикации

Solid support material

Номер: US20200317829A1
Автор: Alexander Kilpatrick, Christopher Wright, Dermot O&#39;Hare, Jean-Charles BUFFET
Принадлежит: SCG Chemicals PCL

Solid support materials are described for use as supports for olefin polymerisation catalysts. Also described is a process for the preparation of the solid support materials and the use of the solid support materials as supports in olefin polymerisation reactions.

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Номер записи: 93
24-11-2016 дата публикации

CATALYST COMPOSITION FOR POLYMERIZATION OF OLEFINS

Номер: US20160340293A1
Автор: BATINAS-GEURTS Aurora Alexandra, BUKATOV Gennadii Dimitrievich, GHALIT Nourdin, Patel Vimalkumar Mahendrabhai, Sainani Jaiprakash Brijlal, SERGEEV Sergei Andreevich, Taftaf Mansour I., ZAKHAROV Vladimir Aleksandrovich, Zuideveld Martin Alexander
Принадлежит:

A catalyst composition including the compound of Formula I as an internal electron donor, 2. The catalyst composition according to claim 1 , wherein R claim 1 , R claim 1 , R claim 1 , R claim 1 , Rand Rare independently selected from a group consisting of hydrogen claim 1 , C-Cstraight and branched alkyl; C-Ccycloalkyl; C-Caryl; and C-Calkaryl and aralkyl groups.3. The catalyst composition according to claim 1 , wherein Rand Rare each a hydrogen atom and R claim 1 , R claim 1 , Rand Rare independently selected from a group consisting of C-Cstraight and branched alkyl; C-Ccycloalkyl; C-Caryl; and C-Calkaryl and aralkyl groups.4. The catalyst a composition according to claim 1 , wherein when one of Rand Rand one of Rand Rhas at least one carbon atom claim 1 , then the other one of Rand Rand of Rand Ris each a hydrogen atom.5. The catalyst composition according to claim 1 , wherein Ris selected from a group consisting of methyl claim 1 , ethyl claim 1 , propyl claim 1 , isopropyl claim 1 , butyl claim 1 , t-butyl claim 1 , phenyl claim 1 , benzyl claim 1 , substituted benzyl and halophenyl groups.6. The catalyst composition according to claim 1 , wherein Ris selected from the group consisting of C-Caryl; and C-Calkaryl and aralkyl groups.7. The catalyst composition according claim 1 , wherein the internal electron donor is selected from the group consisting of 4-[benzoyl(methyl)amino]pentan-2-yl benzoate; 2 claim 1 ,2 claim 1 ,6 claim 1 ,6-tetramethyl-5-(methylamino)heptan-3-ol dibenzoate; 4-[benzoyl (ethyl)amino]pentan-2-yl benzoate and 4-(methylamino)pentan-2-yl bis (4-methoxy)benzoate).8. A process for preparing the catalyst composition according to claim 1 , comprising contacting a magnesium-containing support with a halogen-containing titanium compound and an internal electron donor according to Formula I.10. A catalyst composition obtained by the process according to .11. A polymerization catalyst system comprising the catalyst composition according to claim 1 , ...

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Номер записи: 94
15-11-2018 дата публикации

Chromium-Based Catalyst Compositions for Olefin Polymerization

Номер: US20180327521A1
Автор: Cann Kevin J., Goode Mark G., Gross Kevin R., Khokhani Parul A., Moorhouse John H., Tamargo Tomas T.
Принадлежит: UNIVATION TECHNOLOGIES, LLC

Modified chromium-based catalyst compositions for olefin polymerization are disclosed. The modifiers prevent or reduce catalyst particle aggregation providing improved catalyst particle dispersion and consistent flow index response of the compositions in olefin polymerization. 1. A chromium-based catalyst composition for olefin polymerization , comprising:(a) at least one inorganic oxide supported chromium catalyst;(b) at least one particulate material having an average particle size of less than about 5 micron and at least one antistatic agent;(c) one or more reducing agents; and(d) optionally, one or more liquid vehicles.2. The catalyst composition according to wherein the particulate material is at least one treated inorganic oxide.3. The catalyst composition according to wherein the average particle size of the particulate material is less than 3 microns.4. The catalyst composition according to wherein the average particle size of the particulate material is less than 1 micron.5. The catalyst composition according to wherein the treated inorganic oxide is a treated silica.6. The catalyst composition according to wherein the inorganic oxide is treated with a reagent so as to reduce surface hydroxyl functionality.7. The catalyst composition according to wherein the reagent to reduce surface hydroxyl functionality is a silane.8. The catalyst composition according to wherein the inorganic oxide is a fumed silica and the reagent is a silane.9. The catalyst composition according to wherein the particulate material is a hydrophobic silica.10. The catalyst composition according to wherein the at least one antistatic agent is in particulate form.11. The catalyst composition according to wherein the antistatic agent has an average particle size of less than 20 micron.12. The catalyst composition according to wherein the antistatic agent is at least one metal carboxylate salt.15. The catalyst composition according to claim 14 , wherein the at least one metal carboxylate ...

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Номер записи: 95
30-11-2017 дата публикации

Ethylene Oligomerization Catalyst Systems Using Chemically-Treated Solid Oxides

Номер: US20170341068A1
Автор: BISCHOF Steven M., Fern Jared T., Hutchison Steven R., Kilgore Uriah J., MCDANIEL Max P., Sydora Orson L.
Принадлежит:

Disclosed herein are catalyst compositions containing a heteroatomic ligand transition metal compound complex, a chemically-treated solid oxide, and an organoaluminum compound. These catalyst compositions can be used in an ethylene oligomerization process to produce a liquid oligomer product containing hexene and octene, as well as a solid polymer product with a molecular weight sufficiently high to permit easy separation of the liquid oligomer product from the solid polymer product. 1. A catalyst system for oligomerizing ethylene , the catalyst system comprising:a) a heteroatomic ligand transition metal compound complex;b) a chemically-treated solid oxide; andc) an organoaluminum compound.2. The catalyst system of claim 1 , wherein the chemically-treated solid oxide comprises a solid oxide treated with an electron-withdrawing anion claim 1 , and wherein:the solid oxide comprises silica, alumina, silica-alumina, silica-coated alumina, or any combination thereof; andthe electron-withdrawing anion comprises sulfate, fluoride, chloride, or any combination thereof.3. The catalyst system of claim 1 , wherein the chemically-treated solid oxide comprises a fluorided solid oxide claim 1 , a sulfated solid oxide claim 1 , or a combination thereof.4. The catalyst system of claim 1 , wherein the chemically-treated solid oxide comprises fluorided alumina claim 1 , sulfated alumina claim 1 , fluorided silica-alumina claim 1 , sulfated silica-alumina claim 1 , fluorided silica-coated alumina claim 1 , fluorided-chlorided silica-coated alumina claim 1 , sulfated silica-coated alumina claim 1 , or any combination thereof.5. The catalyst system of claim 1 , wherein the organoaluminum compound comprises trimethylaluminum claim 1 , triethylaluminum claim 1 , tri-n-propylaluminum claim 1 , tri-n-butylaluminum claim 1 , triisobutylaluminum claim 1 , tri-n-hexylaluminum claim 1 , tri-n-octylaluminum claim 1 , diisobutylaluminum hydride claim 1 , diethylaluminum ethoxide claim 1 , ...

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Номер записи: 96
31-10-2019 дата публикации

Process to Make Non-Coordinating Anion Type Activators in Aliphatic and Alicyclic Hydrocarbon Solvents

Номер: US20190330246A1
Автор: Catherine A. Faler, John R. Hagadorn, Margaret T. Whalley
Принадлежит: ExxonMobil Chemical Patents Inc

The present disclosure provides borate activators comprising cations having linear alkyl groups, catalyst systems comprising, and processes for polymerizing olefins using such activators. Specifically, the present disclosure provides polymerization activator compounds which may be prepared in, and which are soluble in aliphatic hydrocarbon and alicyclic hydrocarbon solvents.

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Номер записи: 97
31-10-2019 дата публикации

CATIONIC POLYMERIZATION OF OLEFINS USING GREEN ACIDS

Номер: US20190330395A1
Автор: LEWIS Stewart P.
Принадлежит:

A processes for effecting the cationic polymerization of olefins in a controlled manner that includes the step of contacting olefin monomers and a catalytically effective amount of an initiating composition containing (A) a recyclable aluminum, gallium, or indium perfluorinated organosulfonate, (B) a solubilizing agent, (C) an initiator selected from the group consisting of (i) carbocation synthons, (ii) halogenium ion synthons, (iii) Brønsted acids, and (iv) silicenium ion synthons, and optionally (D) a nucleophilic additive. The invention further includes a process for recycling aluminum, gallium, or indium perfluorinated organosulfonates that includes the steps of aqueous extraction and dehydration. A novel initiator system is also disclosed.

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Номер записи: 98
07-11-2019 дата публикации

CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS

Номер: US20190338055A1
Автор: "DallOcco Tiziano", Guidotti Simona, Liguori Dario, Morini Giampiero
Принадлежит: BASELL POLIOLEFINE ITALIA S.R.L.

The present disclosure provides a solid catalyst component obtainable by a process including: (a) a first step in which Ti(OEt), is reacted with a Mg based compound of formula MgCl(OR), where n is from about 0.5 to about 1.5, Ris a C-Calkyl groups, the Ti(OEt)and the Mg compound are used in amounts such that the Ti/Mg molar ratio is of about 0.2 to about 0.4, the reaction temperature is about 110 to about 130° C., and the reaction time is about 2 to about 5 hours; and (b) a subsequent step in which the product obtained in step (a) is reacted with a Ti compound of the formula Ti(OR)Cl, where y is a number between 3 and 4. 1. A solid catalyst component for the (co)polymerization of olefins CH=CHR , in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms , obtained by a process comprising:{'sub': t', '4', 'n', '2-n,', '1', '10', 't', '4, 'sup': I', 'I, '(a) a first step in which Ti(OE)is reacted with a Mg based compound of formula MgCl(OR)where n is from 0.5 to 1.5, Ris a C-Calkyl groups, the Ti(OE)and the Mg compound are used in amounts such that the Ti/Mg molar ratio is of 0.2 to 0.4, the reaction temperature is 110 to 130° C and the reaction time is 2 to 5 hours; and'}{'sup': 'I', 'sub': 4-y', 'y,, '(b) a subsequent step in which the product obtained in step (a) is reacted with a Ti compound of formula Ti(OR)Clwhere y is a number between 3 and 4.'}2. The solid catalyst component of claim 1 , wherein the value of n ranges from 0.6 to 1.4.3. The solid catalyst component of claim 1 , wherein Ris selected from ethyl claim 1 , isopropyl claim 1 , n-butyl claim 1 , i-butyl and t-butyl groups.4. The solid catalyst component of claim 1 , wherein in step (b) the Ti compound is TiCl.5. The solid catalyst component of claim 1 , wherein the Ti compound in step (b) is used in an amount with respect to the solid coming from step (a) to have a Ti/Mg ratio ranging from 1 to 100.6. The solid catalyst component of claim 5 , wherein the titanium compound is used in ...

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Номер записи: 99
07-11-2019 дата публикации

Transition Metal Catalysts For Olefin Polymerization

Номер: US20190338058A1
Автор: CARROW Brad P., ZHANG Wei
Принадлежит:

In one aspect, a chelating phosphine-phosphonic diamide (PPDA) ligand is described herein for constructing transition metal complexes operable for catalysis of olefin polymerization, including copolymerization of ethylene with polar monomer. 2. The PPDA ligand of claim 1 , wherein A is selected from the group consisting of arylene and heteroarylene.3. The PPDA ligand of claim 1 , wherein A is selected from the group consisting of alkylene and alkenylene.4. The PPDA ligand of claim 2 , wherein Rand Rare independently selected from the group consisting of alkyl claim 2 , cycloalkyl claim 2 , heteroalkyl claim 2 , aryl claim 2 , and heteroaryl.5. The PPDA ligand of claim 2 , wherein Rand Rare aryl.6. The PPDA ligand of claim 2 , wherein Rand Rare alkyl.7. The PPDA ligand of claim 1 , wherein R-Rare alkyl.8. The PPDA ligand of claim 2 , wherein R-Rare alkyl.9. The PPDA ligand of claim 1 , wherein a ring structure is formed by at least two of R-R.10. The PPDA ligand of claim 1 , wherein R-Rare independently selected from the group consisting of cycloalkyl and heterocycloalkyl.12. The transition metal complex of claim 11 , wherein A is selected from the group consisting of arylene and heteroarylene.13. The transition metal complex of claim 11 , wherein A is selected from the group consisting of alkylene and alkenylene.14. The transition metal complex of claim 12 , wherein Rand Rare independently selected from the group consisting of alkyl claim 12 , cycloalkyl claim 12 , heteroalkyl claim 12 , aryl claim 12 , and heteroaryl.15. The transition metal complex of claim 12 , wherein Rand Rare aryl.16. The transition metal complex of claim 12 , wherein Rand Rare alkyl.17. The transition metal complex of claim 11 , wherein R-Rare alkyl.18. The transition metal complex of claim 12 , wherein R-Rare alkyl.19. The transition metal complex of claim 11 , wherein a ring structure is formed by at least two of R-R.20. The transition metal complex of claim 11 , wherein R-Rare ...

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Номер записи: 100