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WO/2014/112768A1 |
Disclosed is a method for preparing, with high catalyst mileage and in an economical manner, high-quality polybutene having low fluorine content and high vinylidene content. The method for preparing polybutene comprises the steps of: sel...
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WO/2014/109832A1 |
Methods for producing catalyst systems with increased productivity are disclosed. The methods may comprise providing a catalyst composition comprising a solvent and a single-site catalyst component, heating an inert gas to a temperature ...
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WO/2014/108283A1 |
A process for the preparation of ethylene polymers comprising polymerizing ethylene, optionally with one or more α-olefin comonomers, in the presence of: (i) a solid catalyst component comprising titanium, magnesium, halogen and optiona...
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WO/2014/106587A1 |
The present invention relates to a method for preparing a polymer composition, said method comprising the steps of: a) preparing a reaction mixture comprising as component A) an ethylenically unsaturated monomer or a mixture of ethylenic...
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WO/2014/105412A1 |
The instant invention provides an ethylene based polymer. In one embodiment, the instant invention provides an ethylene based polymer comprising the polymerization reaction product of ethylene with optionally one or more α-olefins in th...
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WO/2014/105411A1 |
The instant invention provides procatalysts and catalyst systems for olefin polymerization, olefin based polymers polymerized therewith, and process for producing the same. In one embodiment, the instant invention provides a procatalyst ...
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WO/2014/100862A1 |
The present invention relates to a polypropylene composition and use thereof in thermoforming, comprising at least one infrared absorbing agent, at least one nucleating agent, and at least one anti-blocking agent for optimizing and incre...
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WO/2014/100924A1 |
Disclosed are a polypropylene intra-autoclave alloy having carbon nanotubes, a preparation method for the alloy, and applications thereof. The intra-autoclave alloy comprises the carbon nanotubes, a homopolymer polypropylene resin, and a...
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WO/2014/106143A1 |
Catalyst systems and methods for making and using the same are provided. The catalyst system can include a catalyst support, wherein the catalyst support has an average particle size of about 2 microns to about 200 microns. Nanoparticles...
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WO/2014/106052A1 |
The instant invention provides a polyolefin composition suitable for injection molding applications, and method of making such injection molded articles. The polyolefin composition suitable for injection molding applications comprises: a...
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WO/2014/100923A1 |
Disclosed are a clay-enhanced polypropylene intra-autoclave alloy, a preparation method for same, and applications thereof. The intra-autoclave alloy comprises a clay, a homopolymer polypropylene resin, and an olefin polymer. The prepara...
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WO/2014/104987A1 |
The present disclosure relates to transition metal catalysts for use in the polymerization of olefins. Also, the present disclosure relates to a method of preparing a transition metal catalyst comprising: providing a dihydrocarbyloxide m...
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WO/2014/105614A1 |
Methods for integrating aluminoxane production into catalyst production are disclosed.
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WO/2014/105413A1 |
The instant invention provides an ethylene based polymer. In one embodiment, the instant invention provides an ethylene based polymer comprising the polymerization reaction product of ethylene with optionally one or more α-olefins in th...
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WO/2014/106017A1 |
The instant invention provides a polyolefin composition suitable for packaging applications, films, multilayer structures and packaging devices made therefrom. The polyolefin composition according to the present invention comprises: an e...
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WO/2014/096166A1 |
A catalyst comprising (i) an asymmetric complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from -R'2C-, -R'2C-CR'2-, -R'2Si-, -R'2Si-SiR'2-, -R'2Ge-, wherein each R' is ind...
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WO/2014/099411A1 |
A system and method for polymerizing olefin in the presence of a chain transfer agent in a first reactor to form a first polyolefin, discharging from the first reactor a transfer slurry having the first polyolefin and the chain transfer ...
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WO/2014/096171A1 |
A catalyst in solid particulate form free from an external carrier material comprising a complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from -R'2C-, -R'2C-CR'2-, -R'2Si...
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WO/2014/096282A1 |
A catalyst in solid particulate form free from an external carrier material comprising (i) a complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from -R'2C-, -R'2C-CR'2-, -R...
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WO/2014/096201A1 |
The invention relates to a process for the preparation of polypropylene having - a molecular weight by weight of 450,000-950,000, - a molecular weight distribution of 3-6, - a melt flow in the range of 7-14 dg/min measured with a load of...
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WO/2014/095473A1 |
The present invention relates to a slurry process for preparing an ethylene polymer having a melt flow ratio F/P, which is the ratio among the melt index value measured according to ASTM 1238 condition "F" and the melt index value measur...
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WO/2014/095481A1 |
The invention relates to a process for the production of high density polyethylene by polymerisation of ethylene in the presence of a silylchromate based catalyst and a reducing agent is characterized in that the reducing agent comprises...
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WO/2014/099608A1 |
An article that is made of a film a film having a narrow angle scattering (NAS) of greater than 40, a drop dart impact of greater than 100 grams, and a blocking of less than 40 g/16 in2. In particular, the film in made of a blend of: (a)...
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WO/2014/096335A1 |
Procatalyst comprising an inorganic support, a chlorine compound carried on said support, a magnesium compound carried on said support, a titanium compound carried on said support, and a C1 to C6 alkyl substituted tetrahydrofuran as elec...
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WO/2014/096164A1 |
An asymmetric complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from -R'2C-, -R'2C-CR'2-, -R'2Si-, -R'2Si-SiR'2-, -R'2Ge-, wherein each R' is independently a hydrogen atom...
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WO/2014/095523A1 |
Spherical adducts comprising a MgCl2, an alcohol ROH in which R is a C1-C10 hydrocarbon group, present in a molar ratio with MgCl2 ranging from 0.5 to 6 and less than 20% mol based on the mol of MgCl2 of a compound of formula Mg(OR1)2 in...
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WO/2014/096297A1 |
Process for the preparation of a particulate Group 2 metal/transition metal polymerisation catalyst component for ethylene polymerisation comprising a special bi-(oxygen containing ring) compound as internal donor, and to the use of such...
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WO/2014/091173A1 |
Process for preparing a hydrocarbon-based polymer comprising two end groups with 2-oxo-1,3-dioxolan-4-yl endings, by ring opening by metathesis in the presence of a metathesis catalyst, of a chain-transfer agent comprising a carbonate ri...
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WO/2014/090860A1 |
Process for treating polyolefin particles obtained by gas-phase polymerization of one or more olefins in the presence of a polymerization catalyst system and a C3-C5 alkane as polymerization diluent in a gas-phase polymerization reactor,...
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WO/2014/090552A1 |
A terpolymer containing propylene, ethylene and 1-hexene obtainable by the step of copolymerizing propylene, ethylene and 1-hexene in the presence of a catalyst system comprising the product obtained by contacting the following component...
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WO/2014/090628A1 |
The invention relates to a method for degrading (co)polymers in an extruder and an extruder suitable for performing said method.
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WO/2014/093017A1 |
A process comprising contacting a catalyst system with one or more olefins in a bubble column reactor. Also, a polyolefin copolymer composition comprising ethylene, propylene and optionally a C4 to C20 alpha olefin; said composition havi...
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WO/2014/093088A1 |
A technique for polymerizing ethylene on catalyst in a first polymerization reactor and in a second polymerization reactor to form polyethylene particles, and controlling particle size of the polyethylene particles.
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WO/2014/090856A1 |
Process for preparing a polyolefin polymer comprising the steps of a) forming a particulate polyolefin polymer by polymerizing one or more olefins in the presence of a polymerization catalyst system in a polymerization reactor; b) discha...
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WO/2014/091174A2 |
The invention relates to a method for preparing a hydrocarbon polymer comprising a 2-oxo-1,3-dioxolan-4-yl end group, by opening the cycle by metathesis in the presence of a metathesis catalyst, a vinyl ethylene carbonate chain transfer ...
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WO/2014/088857A1 |
This invention relates in one aspect to propylene polymers comprising propylene, said polymers having a melt flow rate (MFR, ASTM 1238, 230°C, 2.16 kg) of 10 dg/min to 25 dg/min; a Dimensionless Stress Ratio/Loss Tangent Index R2 at 190...
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WO/2014/088287A1 |
Disclosed are a metallocene catalyst composition for preparing a multimodal polyolefin resin with excellent characteristics such as moldability, mechanical strength, appearance and the like, and a polymerization method using the same. Th...
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WO/2014/088856A1 |
This invention relates to propylene polymers comprising at least 50 mo1% propylene, said polymers having: a) a melt flow rate (MFR, ASTM 1238, 230°C, 2.16 kg) of 10 dg/min to 21.5 dg/min; b) a Dimensionless Stress Ratio/Loss Tangent Ind...
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WO/2014/088827A1 |
The present invention relates to polyethylene compositions comprising one or more ethylene polymers and one or more HDPE modifiers, in particular, this invention further relates to polyethylene blends comprising one or more ethylene poly...
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WO/2014/088065A1 |
Provided is a moisture vapor permeable film which has excellent liquid permeability resistance while maintaining air permeability, moisture vapor permeability, mechanical strength and utility. This moisture vapor permeable film is compos...
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WO/2014/086648A1 |
A process for polymerizing ethylene in at least two cascaded slurry polymerization steps is disclosed. The process comprises polymerizing ethylene in the presence of a polymerization catalyst, hydrogen and optionally one or more alpha-ol...
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WO/2014/085283A1 |
The invention relates to a process and apparatus for preparing an ethylene polymer by free radical polymerization under ultra-high pressure. The polymerization is carried out in an autoclave reactor in the presence of a free radical init...
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WO/2014/081458A1 |
The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus 12 relationship: Mw(abs) < A x [...
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WO/2014/079969A1 |
Improved Ziegler-Natta catalysts and methods of making the improved catalyst are described. The Ziegler-Natta catalyst is formed using a spherical MgCI2-xROH support, where R is a linear, cyclic or branched hydrocarbon unit with 1-10 car...
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WO/2014/079971A1 |
A method for making a solid catalyst component for use in a Ziegler-Natta catalyst includes combining in a hydrocarbon solvent a porous particulate support with a hydrocarbon soluble organomagnesium compound to form a suspension. The org...
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WO/2014/081132A1 |
The present invention relates to a method for preparing a polyolefin polymerization catalyst and a method for polymerizing a polyolefin using same. More particularly, the present invention relates to a method for preparing a polyolefin p...
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WO/2014/078919A1 |
The present invention relates to a metallocene catalyst containing a transition metal from group 4 or 5 of the periodic table, which is supported by hybrid catalytic supporting means with aliphatic organic groups. A process for supportin...
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WO/2014/077258A1 |
A propylene-based polymer satisfying (a1)-(d1): (a1) [mmmm]=60-80 mol%; (b1) weight average molecular weight (Mw)=10,000-55,000; (c1) Mw/Mn≤2.5; (d1) [rmrm]<2.5 mol%.
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WO/2014/075727A1 |
The present invention relates to a method for cross-linking thick layers of polyolefin by electromagnetic radiation. The invention relates further to a cross- linked polyolefin obtainable by the method and its use as electrical insulatio...
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WO/2014/077472A1 |
The present invention relates to a ligand compound, an organochromium compound, a catalyst system for ethylene oligomerization, to a method for preparing same and to an ethylene oligomerization method using same. The catalyst system for ...
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