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Matches 1,001 - 1,050 out of 20,122

Document Document Title
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...  
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...  
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...  
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...  
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,...  
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...  
WO/2014/090628A1
The invention relates to a method for degrading (co)polymers in an extruder and an extruder suitable for performing said method.  
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...  
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.  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 [...  
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...  
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...  
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...  
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...  
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%.  
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...  
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 ...  
WO/2014/075381A1
A method for preparing isotactic poly-1-butene. The method comprises: adding a nucleating agent in a bulk polymerization reaction kettle with 1-butene, and performing bulk polymerization on 1-butene by using a Ziegler-Natta catalyst syst...  
WO/2014/077859A1
A controlled rheology polypropylene that is made from Ziegler-Natta produced random copolymer and an additive formulation, extruded in the presence of a peroxide, exhibits low fluid retention and can be used to make medical/laboratory gr...  
WO/2014/074288A1
The present invention relates to the polymerization and copolymerization of monomers in the presence of fluorinated propylene solvents. More particularly, the present invention relates to the use of polymerization mediums suitable to pol...  
WO/2014/074880A1
Solid catalyst components for use in olefin polymerization, olefin polymerization catalyst systems containing the solid catalyst components, methods of making the solid catalyst components and the catalyst systems, and methods of polymer...  
WO/2014/069606A1
Provided are: an adhesive composition which uses a polyolefin polymer, has high holding power, and does not leave adhesive residue; and an adhesive tape which uses this adhesive composition. A polyolefin which satisfies the following con...  
WO/2014/070414A1
This invention relates to a process for producing propylene-based in-reactor compositions comprising: (a) contacting propylene and from 0 wt% to 10 wt% C2 and/or C4 to C20 alpha olefins under polymerization conditions in a first stage to...  
WO/2014/070385A1
Disclosed herein are embodiments of films which comprise a polypropylene resin comprising at least 50 mo1% propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g') of at least 0.95, and a melt strength of at least 20 cN determ...  
WO/2014/070384A1
Disclosed herein are molded articles, foamed articles, and foamable resins comprising a polypropylene resin comprising at least 50 mo1% propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g') of at least 0.95, and a melt stre...  
WO/2014/067081A1
The present disclosure generally relates to biological processes for degrading waste plastics and recycled plastics, and more specifically to novel isolated insects capable of degrading petroleum-based plastics, bacterial strains capable...  
WO/2014/070655A1
This invention relates to a process to produce a supported metallocene catalyst system, the process comprising: (i) contacting a support material with an alkyl aluminum compound to provide an alkyl aluminum treated support material; wher...  
WO/2014/070386A1
Polypropylene resin comprising at least 50 mol% propylene, an MWD (Mw/Mn) of greater than 5, a branching index (g') of at least 0.95, and a melt strength of at least 20 cN determined using an extensional rheometer at 190°C. A catalyst s...  
WO/2014/070608A1
Processes and systems for the production for pressure management of a polymerization product flowing from a loop polymerization reactor to a separation vessel in a slurry polymerization system are disclosed herein. For example, a process...  
WO/2014/069989A1
The invention relates to a process for producing an oligo(alpha-olefin), comprising preparing a mixture of at least a chromium complex comprising one or more ligands comprising a deprotonated pyrrole moiety; methylaluminoxane; an aluminu...  
WO/2014/065416A1
This polyolefin molded product comprises a resin composition containing (1) 1-30 mass% of an olefin-based polymer with an elasticity modulus of 5-450MPa, (2) a propylene-based polymer with an elasticity modulus of 500MPa or greater (the ...  
WO/2014/064059A1
Process for preparing a polyolefin polymer from one or more olefins by gas-phase polymerization at temperatures of from 40°to 150°C and pressures of from 0.1 to 20 MPa in the presence of a polymerization catalyst in a polymerization re...  
WO/2014/066602A1
An imine phenol compound having Structure I: wherein O and N represent oxygen and nitrogen respectively; R comprises a halogen, a hydrocarbyl group, or a substituted hydrocarbyl group; R2 and R3 can each independently be hydrogen, a halo...  
WO/2014/060252A1
The invention pertains to a process for the manufacture of disentangled ultra-high molecular weight polyethylene in the presence of a co-catalyst comprising trialkylaluminum and a catalyst which is a substituted monocyclopentadienyl, mon...  
WO/2014/060540A1
A process for the polymerisation of at least one olefin comprising reacting said at least one olefin with a catalyst comprising: (i) a metallocene complex said metallocene comprising at least two cyclopentadienyl type ligands; (ii) a bor...  
WO/2014/060541A1
A process for the preparation of a propylene homopolymer comprising polymerising propylene in the presence of a catalyst comprising: (i) a metallocene complex of a group (IV) metal said metallocene comprising at least two cyclopentadieny...  
WO/2014/060534A1
A catalyst comprising (i) a metallocene complex of a group (IV) metal said metallocene comprising at least two cyclopentadienyl type ligands; (ii) a boron cocatalyst; and (iii) an aluminoxane cocatalyst; said catalyst being in solid form...  
WO/2014/061921A1
The present invention relates to a novel metallocene compound, to a catalyst composition comprising same, and to an olefinic polymer production method using same. When the novel metallocene compound is used as a catalyst for producing an...  
WO/2014/060231A1
The present invention relates to a method for the operation of a process for the production of a polymer by polymerisation of a monomer and an optional comonomer in a gas phase fluidised bed reactor during steady-state and non-steady-sta...  
WO/2014/062643A1
Techniques are provided for catalyst preparation. A system for catalyst preparation may include an agitator disposed inside a polymerization catalyst tank and configured to mix a polymerization catalyst and a solvent to generate a polyme...  
WO/2014/055497A1
Improved systems and processes for storing resins are disclosed herein. These systems and processes are especially useful for reducing the tendency of resins to sinter. In polymerization processes, the improvements disclosed herein can r...  

Matches 1,001 - 1,050 out of 20,122