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WO/2017/204830A1 |
This invention relates bisindenyl metallocene catalyst compounds having long (at least 4 carbon atoms) linear alkyl groups substituted at the two position and substituted or unsubstituted aryl groups at the four position and process usin...
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WO/2017/205143A1 |
Disclosed herein are catalyst compositions containing bicyclic bridged metallocene compounds. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene polymers produced using these catalyst composi...
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WO/2017/204476A1 |
The present invention relates to an oligomerizing catalyst comprising a transition metal or transition metal precursor, a halogen-substituted organic ligand, and a heteroatom ligand, and to a method for selectively preparing 1-hexene or ...
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WO/2017/192225A1 |
This invention relates to a compound represented by the formula: TyLAMXn-2 wherein: A is a substituted or unsubstituted tetrahydro-as-indacenyl group bonded to M; L is substituted or unsubstituted monocyclic or polycyclic arenyl ligand o...
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WO/2017/191054A1 |
The present invention is directed to a process for feeding a polymerisation catalyst into a polymerisation reactor (7), comprising the steps of: (i) maintaining a catalyst slurry comprising a diluent and a solid catalyst component in a c...
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WO/2017/189120A1 |
This invention relates to organoaluminum activators, 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/2017/188258A1 |
A modified olefin-based polymer which (1) has an intrinsic viscosity [η] of 0.01-2.5 dL/g, (2) shows no melting point (Tm-D) or has a melting point of 0-100°C, (3) has a half-crystallization time of 3 minutes or longer or shows no crys...
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WO/2017/188180A1 |
Provided is a solid catalyst component for olefin polymerization which contains an electron-donating compound other than a phthalic acid ester, wherein, compared to when a phthalic acid ester is used as an electron-donating compound, a s...
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WO/2017/188569A1 |
The present invention relates to a high-density ethylene-based polymer comprising: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected from the group consisting of α-olefins, cyclic olefins and linear...
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WO/2017/188588A1 |
The present invention provides: a meso metallocene catalyst for preparing a polyolefin exhibiting excellent polymer properties while having superior catalytic activity in ethylene and α-olefin polymerization; and a polyolefin prepared u...
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WO/2017/185149A1 |
This invention relates to the use of titanium-based oxopolymers for preparing suitable catalysts for reactions of olefin polymerization and/or olefin and alpha-olefin copolymerization. The instant invention further discloses the synthesi...
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WO/2017/186623A1 |
A solid catalyst component obtainable by a process comprising: (a) a first step in which a titanium compound of formula Ti(OEt)4, is reacted with a Mg based compound at a Ti/Mg molar ratio between 0.2 and 0.4, at a reaction temperature b...
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WO/2017/188602A1 |
The present invention relates to: a hybrid supported metallocene catalyst comprising one or more first metallocene compounds, one or more second metallocene compounds, one or more cocatalyst compounds, and a support; a preparation method...
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WO/2017/189095A1 |
A cushioning network structure, or a method of manufacturing a cushioning network structure, comprising a plurality of random loops arranged in a three-dimensional orientation, wherein the plurality of random loops are formed from a prop...
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WO/2017/184990A1 |
A process for producing an ethylene-based polymer com prises polymerizing, by the presence of at least one free-radical initiator and using a high pressure tubular polymerization process, a reaction mixture containing ethylene and at lea...
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WO/2017/184483A1 |
Embodiments of the present disclosure are directed towards method for modifying a polymer flow index. As an example, a method for modifying a polymer flow index can include providing monomers to a polymerization reactor, providing a chro...
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WO/2017/182636A1 |
A process for increasing MFR2 of a polyethylene copolymer or an ethylene plastomer or elastomer comprising: (I) extruding a copolymer of polyethylene copolymer having a density of 910 to 970 kg/m3 and an MFR2 of 1 and 100 g/10min or an e...
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WO/2017/176074A1 |
Disclosed is a propylene-diene copolymer resin having excellent melt tension, with improved melt strength, high molecular weight and broad molecular weight distribution by using a specific metallocene catalyst system. The present inventi...
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WO/2017/174553A1 |
The present invention relates to processes and apparatus useful for (fast) ionic polymerisation of liquid monomer(s) containing reaction mixture for the production of the corresponding polymer(s).
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WO/2017/175766A1 |
The present invention is a method for producing a solid PMAO composition, the method including step (a) through step (c). Step (a): an aromatic hydrocarbon solution of TMAL and PMAO including units from general formula (I) is heated, and...
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WO/2017/169679A1 |
The purpose of the present invention is to provide an insulated electrical wire having an insulating layer containing fluorine resin, wherein the flexibility is enhanced while still keeping the heat resistance of the fluorine resin. An i...
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WO/2017/170481A1 |
The present invention addresses the problem of obtaining a modified polypropylene-based resin which, when heated and melted, shows excellent flowability. In order to solve the problem, the present invention uses, as a raw-material polypr...
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WO/2017/170077A1 |
A novel alkoxy magnesium which, when used as a constituent of a solid catalyst component for olefin polymerization use to polymerize an olefin, the formation of a fine powder can be reduced and a polymer having an excellent grain size di...
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WO/2017/165009A1 |
A process for preparing a polyethylene composition comprising contacting ethylene with a first salan catalyst precursor and an activator to form branched vinyl/vinylidene-terminated high density polyethylene having a number average molec...
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WO/2017/159994A1 |
The present invention relates to a polypropylene which exhibits high transparency and has a very low degree of volatile organic compounds generation, which has a total volatile organic compounds (TVOC) value of 60 μg/g or less, which is...
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WO/2017/159578A1 |
A metallocene compound represented by general formula (1) (wherein each symbol is as defined in the description).
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WO/2017/159226A1 |
The present invention provides: a method for producing an oligomer, which comprises a step for oligomerizing a polymerizable monomer that contains an olefin in the presence of a catalyst that contains (A) a complex of a diimine compound ...
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WO/2017/155211A1 |
The present invention relates to: a supported hybrid catalyst system for the slurry polymerization of ethylene; and a method for preparing an ethylene polymer by using the same. According to the present invention, the supported hybrid ca...
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WO/2017/155149A1 |
The present invention relates to a hybrid catalyst composition comprising: a first transition metal compound represented by chemical formula 1 and a second transition metal compound represented by chemical formula 2, the chemical formula...
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WO/2017/150265A1 |
The present invention addresses the problem of providing a 4-methyl-1-pentene polymer that has high heat resistance and gives molded objects which are inhibited from opacifying upon steam sterilization and of providing a 4-methyl-1-pente...
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WO/2017/150731A1 |
This metallocene compound is represented by general formula (1) (the symbols in general formula (1) are as defined in the description.).
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WO/2017/146464A1 |
The present invention relates to an olefin polymer and a preparation method therefor. Exhibiting excellent mechanical strength and high processability, the olefin polymer is expected to be utilized as a material for various products. Par...
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WO/2017/146375A1 |
The present invention relates to a supported hybrid metallocene catalyst and a polyolefin preparation using same. Using the supported hybrid metallocene catalyst can not only significantly reduce the amount of wax generated when polymeri...
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WO/2017/146823A1 |
Disclosed are an apparatus and a process for polymerizing ethylene under high pressure providing more than one injection point for one initiator injection pump.
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WO/2017/142273A1 |
The present invention relates to polypropylene having excellent stiffness and achieving energy reduction during foaming, wherein the polypropylene has an MI of 4-60 g/10 min, a melting point (Tm) of 120-150°C, and a flexural modulus of ...
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WO/2017/140603A1 |
The present invention relates to a process for preparing high- reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per homo- or copolymer chain end of at least 70 mol% which comprises polymerizing ...
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WO/2017/140602A1 |
The present invention relates to a process for preparing high- reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 70 mol%, which comprises polymerizing isob...
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WO/2017/141130A1 |
A solution polymerization process for the (co) polymerization of ethylene is conducted in the presence of i) a phosphinimine catalyst; ii) a co catalyst, and iii) a long chain amine modifier.
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WO/2017/140580A1 |
A process for the manufacture of pre-activated or pre-polymerized catalysts for the polymerization of olefins is disclosed. In particular, the present disclosure relates to a process for the preparation of pre-activated or pre-polymerize...
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WO/2017/143271A1 |
Polymeric compositions useful for use with solid or liquid phosphate fertilizers include one or more first copolymers having at least two repeat units selected from maleic, itaconic, and sulfonate repeat units, and one or more second cop...
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WO/2017/138783A1 |
The present invention relates to a novel ligand compound represented by chemical formula 1, and a novel transition metal compound represented by chemical formula 2. According to the present invention, the novel ligand compound and transi...
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WO/2017/139451A1 |
An organic polymeric compound called a para-Furuta polymer is characterized by polarizability and resistivity has t repeating units of a general structural formula having a backbone structure include structural unit P, on which are n Tai...
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WO/2017/139449A1 |
An organic co-polymeric compound characterized by polarizability and resistivity has a backbone structure with randomly repeating units of first type (P1-Tail) that repeat n times and repeat units of second type (P2-L-Q) that repeat m ti...
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WO/2017/132092A1 |
A film formed from a polyethylene copolymer using a reduced chromium oxide catalyst, ethylene monomers and a co-monomer selected from butene monomers or 1-hexene, where the polyethylene copolymer has a density in the range of from about ...
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WO/2017/131869A1 |
A system for producing a functionalized olefinic-based polymer, the system comprising a polymerization zone for producing an olefinic-based polymer comprising a mixing section, a deliquifying section, and a quenching section, wherein at ...
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WO/2017/131490A2 |
The present invention relates to a hybrid supported catalyst and a method for preparing an olefin polymer by using the same. The olefin polymer, which shows processability more remarkably improved than that of a conventional olefin polym...
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WO/2017/127705A1 |
Linear low density polyethylene (LLDPE) is produced from an ethylene-only feed over a tandem catalyst system consisting of a phenoxy-imine titanium trimerization catalyst and a silylene-linked cyclopentadienyl/amido titanium polymerizati...
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WO/2017/122521A1 |
Provided is a solid catalyst component for polymerization of olefins, which contains an electron-donating compound other than phthalate esters, wherein the olefin polymerization activity of the solid catalyst component, and the primary p...
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WO/2017/123295A1 |
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 supp...
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WO/2017/114813A1 |
The present invention relates to a process for preparing a solid catalyst component suitable for producing polyethylene and its copolymers, said process comprising the steps of: (a) contacting a dehydrated support having hydroxyl groups ...
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