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Matches 1 - 50 out of 27,154

Document Document Title
WO/2018/009034A2
The present invention relates to a reactor for a solution process using a metallocene catalyst to prepare polyolefin polymers, and to a reactor for solution polymerization process of polymers, comprising: a reaction tank for preparing po...  
WO/2018/005201A1
Quinolinyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins.  
WO/2017/220018A1
Disclosed is a catalyst pre-contact method for the continuous polymerization of an olefin, wherein a primary catalyst, a co-catalyst and, optionally, an external electron donor are mixed and then undergo a pre-contact reaction, with the ...  
WO/2017/220512A1
The present invention relates to a compound according to Formula (3), wherein the compound comprises from 28 wt.% to 100 wt.% bio-based carbon content, relative to the total mass of carbon in the compound, measured according to standard ...  
WO/2017/223329A1
A process to form an ethylene-based polymer comprising polymerizing a mixture comprising ethylene, in the presence of a free-radical initiator, and in a tubular reactor system comprising at least two ethylene-based feed streams, and a re...  
WO/2017/223334A1
A process to form an ethylene-based polymer, as described herein, in a tubular reactor system comprising at least three ethylene-based feeds, and at least four reaction zones, and where the weight ratio of "the ethylene-based feed to the...  
WO/2017/223511A1
A method of increasing a polymerization reaction rate of a base monomer composition that has slow free-radical polymerization kinetics. The method comprises combining an effective amount of a nanogel to the base monomer composition to fo...  
WO/2017/223324A1
A high pressure polymerization, as described herein, to form an ethylene-based polymer, comprising the following steps: polymerizing a reaction mixture comprising ethylene, using a reactor system comprising at least three ethylene-based ...  
WO/2017/216022A1
The present invention relates to alkenyl succinic acid derivatives and to a method for the production and use thereof.  
WO/2017/216550A1
Constrained geometry catalytic compounds are disclosed as well as catalytic compositions comprising the compounds supported on solid support materials. The compounds and compositions are useful as catalysts in the polymerisation and copo...  
WO/2017/213832A1
Methods for controlling the productivity of an olefin polymer in a polymerization reactor system using a halogenated hydrocarbon compound are disclosed. The productivity of the polymer can be increased via the addition of the halogenated...  
WO/2017/209372A1
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 an α-olefin, a cyclic olefin and a str...  
WO/2017/207280A1
The invention relates to a composition comprising at least one chromium precursor, at least one heteroaromatic ligand and, optionally, at least one activator. The invention also relates to the method for producing the composition accordi...  
WO/2017/209283A1
In order to provide stretched fibers formed from a polypropylene, which have excellent thermal creep resistance, break strength and stiffness, a production method according to the present invention is characterized by comprising a step w...  
WO/2017/210581A1
The present invention relates to an aqueous composition with enhanced stability for hard surface applications containing at least one lipophilic compound and at least one copolymer, in which the at least one copolymer is a comb-type bran...  
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...  
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...  
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 ...  
WO/2017/192225A8
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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).  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2017/159578A1
A metallocene compound represented by general formula (1) (wherein each symbol is as defined in the description).  
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 ...  
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...  
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...  
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...  
WO/2017/150731A1
This metallocene compound is represented by general formula (1) (the symbols in general formula (1) are as defined in the description.).  
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...  
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...  
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.  

Matches 1 - 50 out of 27,154