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WO/2017/058393A1 |
Polycyclic aromatic hydrocarbon (PAH) functionalized isobutylene copolymers, methods for making a PAH functionalized isobutylene copolymer comprising combining a halogenated copolymer with a PAH in a solvent under basic conditions at a t...
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WO/2017/058384A1 |
Catalyst compounds and catalyst systems including an asymmetric Salan ligands having a fluorenyl moiety are disclosed. Methods of preparing such catalyst compounds and catalyst systems, polymerization processes using such catalysts syste...
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WO/2017/058391A1 |
This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) ...
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WO/2017/058386A1 |
A catalyst system including the reaction product of a fluorided support (such as a fluorided silica support) that preferably has not been calcined at a temperature of 400°C or more, an activator and at least a first transition metal cat...
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WO/2017/052847A1 |
This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) ...
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WO/2017/052187A1 |
The present invention relates to an olefin oligomerization catalyst system and an olefin oligomerization method using the same. According to the present invention, the olefin oligomerization catalyst system exhibits high selectivity to 1...
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WO/2017/047936A1 |
The present invention relates to an olefin oligomerization method. The olefin oligomerization method, according to the present invention, enables the stable operation of a process and the provision of excellent catalyst activation by usi...
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WO/2017/048930A1 |
A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C to about 220° C to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) s...
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WO/2017/048019A1 |
A continuous gas phase polymerization apparatus for alpha olefin of the present invention comprises: a first polymerization unit for primarily polymerizing a polymer; a second polymerization unit which is connected to the first polymeriz...
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WO/2017/037118A1 |
The invention relates to biocidal mixtures containing polymer particles containing penflufene, copper compounds and special alkanol amines and to the use thereof for protecting wood and wood products, and wood protection means containing...
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WO/2017/039048A1 |
The present invention relates to a commercial reaction process for the selective oligomerization reaction of ethylene, and a method for efficiently removing reaction heat to be generated in a reaction and regulating the temperature of th...
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WO/2017/039993A1 |
Catalyst systems with single site transition metal complexes (such as pyridyldiamido transition metal complexes), an activator, and a metal hydrocarbenyl chain transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed fo...
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WO/2017/039994A1 |
This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems, and to polymerization processes utilizing the same. In par...
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WO/2017/039995A1 |
This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In part...
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WO/2017/036755A1 |
The invention relates to penflufen-containing polymer particles, to penflufen-containing agents which contain said polymer particles, to methods for producing same, and to the use thereof for protecting technical materials, in particular...
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WO/2017/039353A1 |
The present invention relates to a compound represented by chemical formula 1, a catalyst system for olefin oligomerization comprising the same, and a method for olefin oligomerization using the same. The catalyst system for olefin oligo...
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WO/2017/034142A1 |
The present invention provides a transition metal compound, a catalyst composition comprising the same, and a method for producing an olefin polymer using the catalyst composition, the transition metal compound being capable of exhibitin...
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WO/2017/033749A1 |
The purpose of the present invention is to provide a process which is for producing a (meth)acryloyl-terminated polyisobutylene-based polymer having excellent transparency and which is an easy process applicable to actual production proc...
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WO/2017/032506A1 |
The present invention relates to a process for the production of ethylene polymers in a tubular reactor comprising reacting in said tubular reactor a feed composition comprising ethylene and one or more composition comprising one or more...
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WO/2017/034759A1 |
A process including vis-breaking of polypropylene in the presence of 3,6,9-triethyl-3,6,9- trimethy1-1,4,7-triperoxonane to obtain vis-broken polypropylene is provided. The vis- broken polypropylene may be pelletized to obtain pellets. A...
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WO/2017/026605A1 |
The present invention relates to a transition metal compound, a transition metal catalyst composition for olefin polymerization comprising the same, and a method for producing an olefin-based polymer by using the same. More particularly,...
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WO/2017/025330A1 |
The present invention relates to a process for the continuous preparation of a polyolefin in a reactor from one or more α-olefin monomers of which at least one is ethylene or propylene, wherein the reactor comprises a fluidized bed, an ...
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WO/2017/027710A1 |
Disclosed in certain embodiments is an electron donor for a polyolefin polymerization catalyst. In some embodiments, a solid catalyst component includes a metal component and the electron donor that form a catalyst on a support.
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WO/2017/025327A1 |
The present invention relates to a process for the continuous preparation of polypropylene in a reactor from propylene and optionally ethylene and/or at least one other oolefin monomer, wherein the reactor comprises a fluidized bed, an e...
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WO/2017/025331A1 |
The present invention relates to a process for the continuous preparation of a polyolefin in a reactor from one or more α-olefin monomers of which at least one is ethylene or propylene, wherein the reactor comprises a fluidized bed, an ...
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WO/2017/016006A1 |
Disclosed is a polypropylene tail gas recovery device. The polypropylene tail gas recovery device comprises a compression unit, a drying unit, a membrane separation unit and a cryogenic separation unit connected in sequence, wherein the ...
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WO/2017/019380A1 |
A method of monitoring a solid component of a reactor feed stream (12, 12a) in a polymer production system, such as a loop slurry process (100), comprising (a) measuring a turbidity of the reactor feed stream (12, 12a) with a turbidimete...
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WO/2017/017336A1 |
The invention relates to a process for manufacturing an antishrinkage agent for moulding an unsaturated polyester in the presence of a reactive diluent, comprising at least one monomer copolymerizable with the unsaturated polyester, comp...
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WO/2017/011073A1 |
This invention relates to novel bridged bis indenyl metallocene catalyst compounds where the bridge is -((R15*)2Si-Si(R15)2)- wherein, each R15 and R15* is identical or different and is a substituted or unsubstituted, branched or unbranc...
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WO/2017/009386A1 |
The present invention relates to a process for preparing a polyethylene product having a multimodal molecular weight distribution, said process comprising the steps of: (a) feeding ethylene monomer, a diluent, at least one metallocene ca...
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WO/2017/003566A1 |
Systems and processes for controlling fouling in the manufacture of ethylene polymers and copolymers at high pressure. Disclosed is a high pressure polyethylene polymerization system comprising a reactor, a primary compressor, and a seco...
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WO/2017/001384A1 |
The present invention relates to the use of a free radical initiator composition for the reduction of gels in polyethylene materials wherein a polyethylene material is subjected to melt processing in the presence of a free radical initia...
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WO/2017/003262A1 |
The present invention provides a novel transition metal compound and a catalyst composition containing same, the transition metal compound having excellent polymer reactivity along with structural stability, thereby being capable of bein...
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WO/2017/003803A1 |
An article is disclosed that comprises at least about 95 weight percent reclaimed polyethylene base resin. The base resin comprises less than about 10 ppm Al, less than about 200 ppm Ti, and less than about 5 ppm Zn. The article is subst...
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WO/2017/003800A1 |
A composition is disclosed that comprises at least about 95 weight percent reclaimed polypropylene. The reclaimed polypropylene comprises less than about 10 ppm Al, less than about 5 ppm Ti, and less than about 5 ppm Zn. The reclaimed po...
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WO/2017/002756A1 |
Provided is a method for producing a polyolefin including (1) a step (1) for subjecting one or more olefins to solution polymerization or slurry polymerization in the presence of a polymerization catalyst and producing a polymer solution...
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WO/2017/001882A1 |
The invention relates to a method for the preparation of polyethylene having a molecular weight of at least 1 million g/mol, comprising the following steps: -introducing the following compounds into a gas phase reactor: an olefin polymer...
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WO/2017/003261A1 |
The present invention provides a novel transition metal compound and a catalyst composition containing same, the transition metal compound having excellent polymer reactivity along with structural stability, thereby being capable of bein...
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WO/2017/003801A1 |
A composition is disclosed that comprises at least about 95 weight percent reclaimed polyethylene. The reclaimed polyethylene comprises less than about 10 ppm Al, less than about 200 ppm Ti, and less than about 5 ppm Zn. The reclaimed po...
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WO/2017/003565A1 |
New pyridylamide transition metal complex compositions for olefin polymerizations are described herein featuring a 7-membered chelate ring and a cyclometalated hydrocarbyl group. When activated using typical activators these compositions...
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WO/2016/210308A1 |
A process to form an ethylene-based polymer comprises polymerizing a reaction mixture comprising ethylene, at least one monomeric chain transier agent, and at least one chain transfer agent system comprising at least one chain transfer a...
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WO/2016/207909A1 |
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 t...
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WO/2016/210160A1 |
A process to form an ethylene-based polymer comprises polymerizing a reaction mixture comprising ethylene, at least one symmetrical polyene and at least one chain transfer agent system comprising at least one chain transfer agent (CTA) i...
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WO/2016/209807A1 |
A composition comprising an ethylene-based polymer is made by a process comprising the steps of: (A) contacting under first polymerization conditions at least ethylene and at least one molecular catalyst to form a first ethylene-based po...
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WO/2016/204457A1 |
The present invention relates to a method for preparing a polyolefin having a wide molecular weight distribution. More specifically, provided is a method for preparing a polyolefin having a wide molecular weight distribution and an ultra...
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WO/2016/204469A1 |
The present invention relates to a method for producing a metallocene-supported catalyst, capable of more effectively preparing a polyolefin, which has a molecular weight distribution for good swelling, through increased polymer elastici...
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WO/2016/204387A1 |
The present invention relates to a polyolefin powder for fiber preparation and a fiber comprising the same. According to the present invention, a polyolefin can be provided that exhibits a high-molecular weight range and a narrow molecul...
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WO/2016/196965A1 |
A method of refining a polymer resin material is provided. The method comprises melting and subjecting the resin material to shear stresses in a range of 250 kPa to 400 kPa to form a refined resin material. The refined resin material may...
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WO/2016/196490A1 |
Polymerization reactor systems providing integrated liquid-solid sampling systems are disclosed. Methods for operating such polymerization reactor systems and for measuring a property of the liquid portion of liquid-solid mixture are des...
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WO/2016/195867A1 |
This invention relates to high porosity (>15%) and/or low pore diameter (PD < 165 μιη) propylene polymers and propylene polymerization processes using single site catalyst systems with supports having high surface area (SA > 400 m2/g)...
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