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WO/2015/140681A1 |
A process for preparing a disentangled ultra-high molecular weight polyethylene product having a density not less than 1 g/cc is provided. The polyethylene product is prepared in the form of a sheet or a block by solid state compaction b...
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WO/2015/141388A1 |
Provided is a method for producing an olefin polymer in which an olefin polymer is obtained by polymerizing an olefin compound at a temperature of 0 °C or less under the presence of a Lewis acid catalyst, said method comprising: a suppl...
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WO/2015/141675A1 |
The present invention provides a metallocene complex with which homopolypropylene that has a high melting point can be manufactured in homopolymerization of propylene, and a method for manufacturing olefin polymers using same. This metal...
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WO/2015/132346A1 |
The invention relates to a process for the preparation of ethylene α-olefin copolymers by copolymerizing ethylene with α-olefins in the presence of a catalyst formed by contacting metallocene complex with a cocatalyst, wherein the meta...
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WO/2015/134213A1 |
Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce high melting point polyolefins.
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WO/2015/133805A1 |
Embodiments of the present invention relate to a chromium compound represented by any one of chemical formula 1a or chemical formula 1b below, and a catalyst system comprising the same. These embodiments exhibit excellent catalytic activ...
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WO/2015/129712A1 |
The present invention pertains to a method for producing an α-olefin oligomer by conducting an oligomerization reaction of an α-olefin in the presence of a solvent and a catalyst containing a transition-metal-containing compound, an...
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WO/2015/121162A1 |
Disentangled high or ultrahigh molecular weight polyethylene ((U)HMWPE) being produced with a Ziegler-Natta catalyst, characterized by (i) a factor for the normalized elastic modulus G'0/G'P of less than 0.95 determined in a dynamic time...
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WO/2015/113957A1 |
The present invention relates to a A metal complex of formula (1), CyYMLjXn (formula 1) wherein Cy is a cyclopentadienyl-type ligand; M is a metal of group 4; L is a neutral Lewis basic ligand wherein the number of said neutral ligands "...
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WO/2015/107708A1 |
The homo-polymerization of propylene is carried out in the presence of a catalyst comprising a solid catalyst component (I), wherein the solid catalyst component (I) comprises titanium, magnesium, a halogen, a carbonate compound represen...
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WO/2015/109184A1 |
The disclosure includes a polymerization process and an olefin polymerization system. A polymerization product is produced, a vapor phase is recovered from the polymerization product, the vapor phase is fractionated in a first column to ...
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WO/2015/107289A1 |
A process for preparing a hydrocarbon-based polymer comprising an end group comprising a 2-oxo-1,3-dioxolane-4-yl ending, by ring opening by metathesis in the presence of a metathesis catalyst, of a chain-transfer agent comprising a carb...
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WO/2015/102423A1 |
Disclosed are an apparatus and a method for polymerization that can economically copolymerize ethylene and alpha-olefin by reusing reaction raw materials and solvents. The apparatus for polymerization of ethylene and alpha-olefin compris...
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WO/2015/100351A1 |
The invention provides a process to form an ethylene-based polymer, said process comprising polymerizing ethylene and at least one asymmetrical polyene, comprising an "alpha, beta unsaturated - carbonyl end" and a "C-C double bond end," ...
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WO/2015/097012A1 |
The present invention relates to a process for the polymerisation of olefins in a polymerisation reactor system and in particular provides a process for the polymerisation of olefins in a polymerisation reactor system, the polymerisation...
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WO/2015/100318A1 |
A process to form an ethylene-based polymer including polymerizing ethylene and at least one asymmetrical polyene comprising an "alpha, beta unsaturated - carbonyl end" ("α,β unsaturated - carbonyl end") and a "C-C double bond end," wh...
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WO/2015/091316A1 |
The present invention relates to a process for preparing a MgCl2-alcohol adduct which comprises, (a) forming a mixture of an MgCl2-alcohol adduct in molten form and a liquid which is immiscible with the said adduct, (b) subjecting the mi...
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WO/2015/091839A1 |
The present invention relates to a new biaxially oriented polypropylene (BOPP) film,a process for the preparation of such film as well as the use of a polypropylene for the preparation of such film and an article comprising such film.
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WO/2015/093611A1 |
In order to generate a compound at high productivity, the present invention has: a first raw material supplying unit; a second raw material supplying unit; a reaction unit; and a control unit for controlling the amount of a first raw ...
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WO/2015/091780A1 |
Blow molded article comprising a propylene copolymer having a MFR2 (230 °C) in the range of more than 2.0 to 12.0 g/10min, a comonomer content in the range of 4.0 to below 4.0 mol.-%, a melting temperature in the range of 125 to below 1...
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WO/2015/091320A1 |
Catalysts systems for the polymerization of olefins CH2=CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising (A) a solid catalyst component comprising Ti, Mg, and halogen (B) an aluminum alkyl compo...
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WO/2015/091829A1 |
The present invention relates to a new biaxially oriented polypropylene (BOPP) film,a process for the preparation of such film as well as the use of a polypropylene for the preparation of such film and an article comprising such film.
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WO/2015/088200A1 |
The present invention relates to a method for preparing a super-absorbent resin. According to the method for preparing a super-absorbent resin, a super-absorbent resin which has an improved absorption rate and solution permeability, no d...
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WO/2015/088624A1 |
Processes for making and using a viscosified liquid slurry polymerization additive are disclosed herein. The process for making a viscosified liquid slurry polymerization additive comprises contacting a polymerization additive with a liq...
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WO/2015/086812A1 |
The present invention is a process for producing copolymers of ethylene and alpha-olefins having from 4 to 10 carbon atoms in three polymerization stages where a low molecular weight copolymer of ethylene is produced in two of the stages...
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WO/2015/081409A1 |
The present invention relates to a metallocene catalyst based on a transition metal of groups 4 or 5 of the periodic table prepared by immobilising a metallocene complex on a support modified with soluble hybrid silica prepared by a non-...
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WO/2015/082565A1 |
Process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, the process comprisin...
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WO/2015/082568A1 |
Process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, the process comprisin...
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WO/2015/078814A1 |
The invention relates to a system suitable for the continuous polymerization of one or more α-olefin monomers of which at least one is ethylene or propylene comprising a reactor (8), a compressor (400), a cooling unit (5) and an externa...
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WO/2015/078815A1 |
The invention relates to a process for the continuous polymerization of one or more α-olefin monomers of which at least one is ethylene or propylene comprising the steps of: (1) feeding the one or more α-olefins to a vertically extende...
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WO/2015/081254A1 |
Particles of a procatalyst composition having a particle size D50 from 19 microns to 30 microns. A polymerization process comprising halogenating, in the presence of a substituted phenylene aromatic diester, particles of a MagTi procatal...
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WO/2015/080523A1 |
The present invention relates to a method for preparing a highly-active supported metallocene catalyst with high apparent density. More specifically, provided is a method for preparing a supported metallocene catalyst in which one or mor...
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WO/2015/078816A1 |
The invention relates to a multi-zone reactor suitable for the continuous fluidized bed polymerization of one or more α-olefin monomers of which at least one is ethylene or propylene, which multi-zone reactor is operable in condensed mo...
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WO/2015/076618A1 |
The present invention relates to a polyolefin preparation method capable of more effectively preparing polyolefin which is preferably useful for blow-molding or the like since the polyolefin has high molecular weight and multimodal molec...
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WO/2015/077402A1 |
Methods for producing a bimodal or broad distribution of molecular weight polyolefin polymers using Cr/silica catalysts. In some aspects the methods utilize different pressures of hydrogen to tailor the properties of the polymer. In part...
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WO/2015/073221A1 |
The instant invention provides a polyolefin composition, a catalyst composition, and a method of producing the same. The method for polymerizing one or more polyolefins according to the present invention comprises the steps of: (1) selec...
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WO/2015/072658A1 |
The present invention relates to an olefin-based polymer with excellent processability. The olefin-based polymer according to the present invention has excellent processability by having high molecular weight and wide molecular weight di...
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WO/2015/073157A1 |
Processes to produce ethylene copolymers using pyridyldiamido transition metal complexes, a chain transfer agent, and an activator are disclosed.
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WO/2015/073855A1 |
The present disclosure provides a process for producing propylene-based polymer. The process includes contacting, under polymerization conditions in a gas phase polymerization reactor, propylene monomer and optionally one or more comonom...
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WO/2015/065676A1 |
This invention relates to processes using staged hydrogen addition in propylene polymerization. Using this process, broad/ bi-modal MWD iPP with excellent stiffness properties and melt flow rates were produced.
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WO/2015/061922A1 |
The present invention relates to a polyethylene composition comprising - a base resin comprising (A) a first ethylene homo- or copolymer component having a melt flow rate MFR2 (2.16 kg, 190℃) of equal to or more than 150g/10 min to equ...
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WO/2015/062057A1 |
A curable composition comprising a) an epoxy component; b) a hardener component selected from the group consisting of a maleic anhydride-containing compound, a maleic anhydride-containing vinyl compound, and combinations thereof; and c) ...
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WO/2015/062231A1 |
Provided is a solid catalyst component for olefin polymerization, which comprises Mg, Ti, a halogen and an electron donor. The electron donor is selected from at least one of ring-substituted ether-acid ester compounds of general formula...
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WO/2015/065681A1 |
This invention relates to unsymmetrical metallocenes, catalyst systems therefrom and their use to make highly isotactic polypropylene.
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WO/2015/065069A1 |
Embodiments of the present application relate to a polyolefin resin having two crystallizing temperatures, a resin composition containing the same, an encapsulant film, a method for preparing a photoelectron device encapsulant, and a pho...
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WO/2015/063204A1 |
The present invention is directed to a process for producing a solid olefin polymerization catalyst component from an emulsion wherein the particle size of the solid catalyst or the droplet size of the emulsion is controlled. The actual ...
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WO/2015/062936A1 |
Process for the preparation of a solid catalyst system comprising the steps of preparing a liquid clathrate comprising a mixing of an aluminoxane, an aromatic compound and an organo-silicon compound, wherein the mol-ratio between the org...
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WO/2015/059268A1 |
The invention relates to a process for the preparation of a particulate ultra high molecular weight polyethylene (UHMWPE), comprising the steps of preparing a magnesium containing carrier, loading the carrier with a organometallic compou...
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WO/2015/060421A1 |
Provided are a highly active catalyst component for olefin polymerization, an olefin polymerization catalyst, and a process for producing an olefin (co)polymer using the catalyst. The catalyst component for olefin polymerization is chara...
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WO/2015/059117A1 |
Process for the preparation of a porous propylene carried out in the presence of a catalyst system comprising (a) a Ziegler-Natta catalyst containing at least two electron donor compounds one of which being present in an amount from 50 t...
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