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WO/2016/197037A1 |
The invention is directed to a supported olefin polymerization catalyst system comprising catalyst compound, silica support and alumoxane activator, where part of the alumoxane is present on the support and part of the alumoxane is not a...
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WO/2016/195868A1 |
This invention relates to catalyst supports having high surface area (SA ≥ 400 m2 /g), low pore volume (PV ≤ 2 mL/g), a specific mean pore diameter range (PD = 1 - 20 nm), and high average particle size (PS ≥ 30 μιη), supported ...
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WO/2016/195865A1 |
This invention relates to high porosity (≥15%) and/or low pore diameter (PD < 165 μm) 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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WO/2016/195424A1 |
The present invention relates to a novel supported metallocene catalyst, and a method for preparing a polyolefin by using the same. According to the present invention, the supported metallocene catalyst exhibits high polymerization activ...
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WO/2016/195996A1 |
Processes for producing a polypropylene product by using a lower purity propylene stream. An operating parameter of the separation zone for a dehydrogenation zone effluent may be adjusted or controlled to lower the purity of the propylen...
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WO/2016/195870A1 |
This invention relates to heterophasic copolymers of propylene and an alpha olefin comonomer having a high fill phase content (≥15%), and heterophasic polymerization processes using a single site catalyst system with a support having h...
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WO/2016/195168A1 |
The present invention relates to a 1-octene composition, and the 1-octene composition according to the present invention is characterized by being prepared by ethylene oligomerization and comprising a high content of 1-octene and monomer...
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WO/2016/195866A1 |
This invention relates to single site catalyst supportation methods involving high temperature treatment (≥ 40°C, e.g., 100-130°C) to improve catalyst activity for olefin polymerization, e.g., propylene polymerization, and to the sup...
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WO/2016/188999A1 |
The invention relates to a metallocene complex (1) according to formula (I) wherein M is a metal selected from lanthanides or transition metals from group 3, 4, 5 or 6 of the Periodic System of the Elements, Q is an anionic ligand to M, ...
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WO/2016/189412A1 |
A polymerization process for stable gas phase reactor start-up when making ethylene copolymers having relatively high molecular weight distribution and melt flow ratio.
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WO/2016/184884A1 |
A solid catalyst component for the polymerization of olefins comprising Mg, Ti and a an electron donor of formula (I) where independently, Z is a bridging group, the R2 groups, equal to or different from each other, are hydrogen or a C1-...
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WO/2016/186295A1 |
The present invention relates to a supported hybrid catalyst system, and a method for preparing a polyolefin by using the same. According to the present invention, the supported hybrid catalyst system can simultaneously carry out oligome...
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WO/2016/186287A1 |
The present invention relates to a catalytic system for an olefin oligomerization reaction and a method for olefin oligomerization and, more specifically, to a catalytic system for an olefin oligomerization reaction, which exhibits high ...
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WO/2016/186282A1 |
The present invention relates to a catalytic composition and a method for olefin oligomerization using the same, and the use of the catalytic composition according to the present invention is capable of simultaneously performing the olig...
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WO/2016/186291A1 |
The present invention relates to: a catalyst system for olefin oligomerization; and a method for oligomerizing olefins and, more specifically, to: a catalyst system for olefin oligomerization, enabling more effective preparation of α-ol...
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WO/2016/185310A1 |
A process for controlling the placement of alpha olefins within an ethylene copolymer. The process involves polymerizing ethylene and an alpha olefin in the gas phase while changing the breadth of control over the molar ratio of ethylene...
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WO/2016/182645A1 |
A process for separating components of a reactor off gas is provided. A related reactor system is also provided. The reactor system may include a high pressure tubular reactor and/or an autoclave reactor and may be used for the productio...
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WO/2016/183006A1 |
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...
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WO/2016/181238A1 |
A fluid dynamic model having at least 5,000,000 cells of the portion of a gas phase reactor from the exit of the condenser to a half a reactor diameter above the bed plate is useful in determining the design of the bottom surface or supp...
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WO/2016/178245A1 |
A polypropylene or polyethylene cap composition comprising at least 94% by weight of polypropylene or polyethylene, 0.05 to 1% by weight of a slip and/or antiblocking agent comprising a mixture of linear saturated fatty amide(s) and glyc...
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WO/2016/179592A1 |
A method of forming a thermoformed article may include melt extruding polyethylene to form an extruded sheet. The rheological breadth parameter of the polyethylene may change by no more than about 5% after extrusion relative to the rheol...
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WO/2016/175942A1 |
An impact copolymer comprising a polypropylene comprising at least 50 mol% propylene, and having a molecular weight distribution (MwMALLS/Mn) greater than 10, a branching index (g') of less than 0.97, and a melt strength greater than 40 ...
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WO/2016/175427A1 |
The present invention relates to a method for preparing a super absorbent resin, the method comprising the steps of: a) preparing a hydrous gel polymer by means of thermopolymerizing or photopolymerizing a monomer composition comprising ...
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WO/2016/176135A1 |
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...
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WO/2016/176189A1 |
A method comprising a) calcining a silica support at temperature in the range of from about 100 °C to about 500 °C to form a precalcined silica support; b) contacting the precalcined silica support with a titanium alkoxide to form a ti...
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WO/2016/176138A1 |
Disclosed are novel bis(aminophenylphenol) ligands and transition metal compounds derived therefrom. Also disclosed are methods of making the ligands and transition metal compounds.
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WO/2016/171809A1 |
This invention relates to a supported catalyst system and process for use thereof. In particular, the catalyst system includes a pyridyldiamido transition metal complex, an activator and a support material. The catalyst system may be use...
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WO/2016/171810A1 |
This invention relates to a supported catalyst system and process for use thereof. In particular, the catalyst system includes a pyridyldiamido transition metal complex, a metallocene compound, a support material and, optionally, an acti...
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WO/2016/172110A1 |
Disclosed are novel bridged bi-aromatic phenol ligands and transition metal compounds derived therefrom. Also disclosed are methods of making the ligands and transition metal compounds.
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WO/2016/172097A1 |
Disclosed are novel bridged bi-aromatic phenol ligands and transition metal catalyst compounds derived therefrom. Also disclosed are methods of making the ligands and transition metal compounds, and polymerization processes utilizing the...
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WO/2016/052751A9 |
An ethylene polymer which has a viscosity-average molecular weight (Mv) of 3,000,000-15,000,000 and which, after having undergone heating at 110°C for 6 hours in an environment having a reduced pressure of 0.1-0.5 kPa, has a quantity of...
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WO/2016/163765A1 |
The present invention relates to a decrosslinked polyolefin resin that is recycled after crosslinking, a method for preparing same, and a resin composition containing same. Specifically, the present invention relates to a recycled decros...
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WO/2016/162359A1 |
The invention is related to a polymer compositions which has high impact strength and good optical properties, along with good softness and low sealing initial temperature, wherein said composition comprising specific polypropylene copol...
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WO/2016/160787A1 |
The present disclosure relates to a curable transparent rubber composition containing one or more synthetic isoprene polymers, a styrenic block copolymer, a curing agent, and additives that do not influence transparency of the final comp...
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WO/2016/160801A1 |
The present disclosure relates to a solid curable transparent rubber composition containing a styrenic block copolymer having 2 or more poly(vinyl aromatic) blocks, a curing agent and additives. Once cured, the solid curable transparent ...
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WO/2016/160785A1 |
The present disclosure provides a process for preparing a cured transparent rubber composition containing a synthetic isoprene polymer(s), a transparent polymer(s), a curing agent and additives. The process includes mixing the components...
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WO/2016/159168A1 |
This polyethylene for a pipe and coupling joint satisfies characteristics (1)-(5). Characteristic (1): a melt flow rate (HLMFR) of 5-20 g/10 minutes at a temperature of 190°C and a load of 21.6 kg. Characteristic (2): a density (D) of 0...
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WO/2016/153682A1 |
Bis phenolate transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.
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WO/2016/153275A1 |
The present invention provides an olefin-based polymer exhibiting excellent mechanical strength and, particularly, remarkably improved impact strength by displaying a single peak in gel permeation chromatography analysis and having Te1, ...
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WO/2016/151098A1 |
The invention relates to a process for transitioning from a first continuous polymerization reaction in a reactor, for example a gas-phase reactor conducted in the presence of a first catalyst to a second continuous polymerization reacti...
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WO/2016/150996A1 |
The present disclosure relates to a continuous process for the preparation of ethylene homopoly- mers or ethylene copolymers comprising polymerizing ethylene or copolymerizing ethylene and one or more other olefins in the presence of a c...
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WO/2016/153574A1 |
This invention relates to a catalyst system comprising a half sandwich chromocene compound featuring a tethered P-donor, with an activator and optional supportation on silica which produces ethylene homopolymer or copolymer.
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WO/2016/142335A1 |
A solid catalyst component for the polymerization of olefins comprising Mg, Ti, halogen and an electron donor of formula (I) or (II) When activated with an aluminum alkyl and optionally an external electron donor is capable to give high ...
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WO/2016/142436A1 |
A precatalyst for the polymerization of α-olefins, having the formula FeuMalc vXw(LA)y(LB)z wherein: - Malc is an alkali metal and/or an alkaline-earth metal. - X is an anion; - LA is a Lewis acid; - LB is a Lewis base; - u is between 0...
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WO/2016/142377A1 |
A solid catalyst component which exhibits high activity and stereo specificity polymerization of olefins comprising Mg, Ti and an electron donor of formula (I) where R and R1 are selected from C1-C20 hydrocarbon groups C6-C14 aryl or alk...
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WO/2016/142849A1 |
A compound of the formula II (I) in which X is substituted pyrrolide with the general structure of (II) in which Ra - Rd are independently selected from H, C1-C4 alkyl, C1-C4 alkoxy, aryl, aryloxy, dialkylamino, diarylamino, halogen, tri...
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WO/2016/142334A1 |
A solid catalyst component for the polymerization of olefins comprising Mg, Ti, halogen and an electron donor of formula (I) or (II). When activated with an aluminum alkyl and optionally an external electron donor is capable to give high...
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WO/2016/136892A1 |
An olefin polymerization catalyst containing a complex of a ligand that is a diimine compound represented by general formula (1) and at least one metal selected from the group consisting of group 8 elements, group 9 elements, and group 1...
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WO/2016/129901A1 |
The present invention relates to a method for oligomerizing olefins, comprising the steps of: i) injecting olefin monomers and a solvent together into a continuous stirred tank reactor (CSTR); ii) injecting an oligomerization catalyst sy...
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WO/2016/129848A1 |
The present specification relates to an olefin oligomerization method and specifically to an olefin oligomerization method comprising the step of subjecting an olefin to a multimerization reaction by controlling a reaction temperature su...
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