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Matches 401 - 450 out of 13,146

Document Document Title
WO/2011/085379A1
The present invention is a method for increasing the melt strength of a polyethylene resin comprising reacting the polyethylene resin with a free radical generator with a decomposition energy in between -50 kJoule/mole and -250 kJoules/m...  
WO/2011/076775A1
The invention relates to a catalyst system for the polymerization of olefins comprising a metal complex of formula CyLMD and an activating cocatalyst, wherein M is titanium, Cy is a cyclopentadienyl-type ligand, D is a diene, L is an ami...  
WO/2011/076772A1
The invention relates to a catalyst system for the polymerization of olefins comprising a metal complex of formula CyLMD and an activating cocatalyst, wherein: - M is titanium; - Cy is a cyclopentadienyl-type ligand; - D is a diene; - L ...  
WO/2011/073365A1
The present invention relates to a process for preparing a bimodal polyethylene product in a single loop reactor, comprising polymerizing ethylene monomer and optionally one or more olefin co-monomers in the presence of a single heteroge...  
WO/2011/073380A1
The present invention relates to a method for producing a catalyst slurry blend suitable for polymerizing ethylene in an ethylene polymerization loop reactor for obtaining an at least trimodal polyethylene product, comprising the steps o...  
WO/2011/074485A1
Provided is an ethylene-α-olefin copolymer that has a monomer unit based on ethylene and a monomer unit based on C3-20 α-olefin. Said ethylene-α-olefin copolymer has a melt flow rate between 0.01 and 100 g/10 min, a density between 86...  
WO/2011/066469A1
Multimodal polyethylene compositions are provided. Extrusion compositions including the multimodal polyethylene are provided. The extrusion composition further include a high pressure low density polyethylene and optionally other additiv...  
WO/2011/061151A1
A process for copolymerizing ethylene, comprising the step of contacting ethylene, one or more non-conjugated cyclic diene and optionally one or more alpha olefins of formula CH2=CHT wherein T is a C1-C20 alkyl radical under polymerizati...  
WO/2011/060954A1
A novel polyethylene formed by Ziegler catalyst is devised, for use in blow moulding.  
WO/2011/062248A1
Provided is an epoxy-containing ethylene copolymer that contains a monomer unit derived from ethylene and a monomer unit derived from glycidyl methacrylate. The monomer unit derived from glycidyl methacrylate constitutes between 15% and ...  
WO/2011/057924A1
A polyethylene resin having a multimodal molecular weight distribution comprising at least two polyethylene fractions A and B, fraction A being substantially free of comonomer and having a lower weight average molecular weight and a high...  
WO/2011/055803A1
Disclosed are a copolymer of 4-methyl-1-pentene and an α-olefin which is lightweight, has good stress absorption properties, good stress relaxation properties, good vibration dumping properties, high scratch resistance, high wear resist...  
WO/2011/056431A8
This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefins, or other ...  
WO/2011/056431A2
This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefins, or other ...  
WO/2011/056423A3
This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefms, or other u...  
WO/2011/056424A3
Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands are provided. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefms, or other unsaturated mo...  
WO/2011/056424A2
Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands are provided. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefms, or other unsaturated mo...  
WO/2011/056431A3
This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefins, or other ...  
WO/2011/056423A2
This invention relates to Group 4 catalyst compounds containing di-anionic tridentate nitrogen/oxygen based ligands. The catalyst compounds are useful, with or without activators, to polymerize olefins, particularly α-olefms, or other u...  
WO/2011/045194A1
A propylene composition comprising (percent by weight): A) 60%-95%, of a crystalline propylene copolymer containing from 2.0% to 10.0% of ethylene derived units having a melting point ranging from 148°C to 160°C; wherein the melting te...  
WO/2011/043032A1
Disclosed are polypropylene resin expanded particles comprising a polypropylene resin which has at least two melting peaks in the DSC curve obtained by melting point determination using a differential scanning calorimeter and has the low...  
WO/2011/039152A1
Process for preparing an improved solid procatalyst of a Ziegler-Natta catalyst system comprising the following steps: a) reacting an metal alkyl with the formula (I) Al(R1)3, wherein each R1 independently represents an alkyl group of 1 ...  
WO/2011/039305A1
The present invention concerns a propylene polymer comprising at least two propylene polymer fractions of different melt flow index and a minor amount of at least one comonomer, said propylene polymer being further characterized by speci...  
WO/2011/035545A8
An initiator system for initiating cationic polymerization in aqueous reaction media, and a method for cationic polymerization of monomer initiated by the initiator system in aqueous reaction media are disclosed. The initiator system com...  
WO/2011/035545A1
An initiator system for initiating cationic polymerization in aqueous reaction media, and a method for cationic polymerization of monomer initiated by the initiator system in aqueous reaction media are disclosed. The initiator system com...  
WO/2011/035544A1
An iso-olefin polymer and its preparation method are disclosed. The method comprises the following steps: (1) forming a polymerization system including the following components: initiator system consisting of initiator, additive, Lewis a...  
WO/2011/025742A1
The instant invention provides rotational molded articles, and method of making the same. The rotational molded articles according to the present invention comprise a polyethylene composition comprising: (a) at least 85 percent by weight...  
WO/2011/025053A2
The present invention relates to a method for producing a high-molecular-weight copolymer of polar group- containing allyl monomers comprising monomer units represented by formulae (3) and (4) (in the formulae, R1 represents a hydrogen a...  
WO/2011/025053A8
The present invention relates to a method for producing a high-molecular-weight copolymer of monomer of formula (3) CH2=CHR1 and polar group- containing allyl monomers of formula (4) CH2=CH- CH2 -R2 (in the formulae, Rl represents a hydr...  
WO/2011/025053A3
The present invention relates to a method for producing a high-molecular-weight copolymer of monomer of formula (3) CH2=CHR1 and polar group- containing allyl monomers of formula (4) CH2=CH- CH2 -R2 (in the formulae, Rl represents a hydr...  
WO/2011/025784A1
The present invention generally relates to a catalyst and process for polymerizing an olefin and to a polyolefin prepared by the process.  
WO/2011/025053A4
The present invention relates to a method for producing a high-molecular-weight copolymer of monomer of formula (3) CH2=CHR1 and polar group- containing allyl monomers of formula (4) CH2=CH- CH2 -R2 (in the formulae, Rl represents a hydr...  
WO/2011/022373A1
A polymerization process for copolymerizing ethylene and a series of -olefins to form a branched polyethylene, in which the series of -olefins is generated in-situ by an ethylene oligomerization catalyst, is improved if the oligomerizati...  
WO/2011/020622A1
A novel polyethylene is devised which polyethylene is particularyl advantageous for manufacturing rotomoulded articles.  
WO/2011/020620A1
A novel polyethylene is devised which polyethylene is particularly advantageous for manufacturing rotomoulded articles  
WO/2011/020622A8
A novel polyethylene is devised which polyethylene is particularyl advantageous for manufacturing rotomoulded articles.  
WO/2011/021437A1
Disclosed is a rubber composition which contains a rubber component that has an olefinic double bond and an isobutylene polymer that has a structural unit represented by formula (1) and a structural unit represented by formula (2). (In f...  
WO/2011/020621A1
A novel polyethylene is devised which polyethylene is particularyl advantageous for manufacturing rotomoulded articles.  
WO/2011/019474A3
Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin m...  
WO/2011/017092A1
A polymerization process includes contacting the following in a gas-phase reactor system under polymerization conditions for making a polymer product: a metallocene-based catalyst system including a supported constrained geometry catalys...  
WO/2011/012799A1
The present invention relates to olefin polymers having associative groups containing nitrogen heterocyclic compounds, to hot-melt adhesives including such polymers, and to method for producing same. Specifically, the invention relates t...  
WO/2011/008865A1
The present disclosure describes a polypropylene resin composition useful for the preparation of buried structures such as corrugated, non-pressure pipe.  
WO/2011/006776A1
A process for the preparation of 1-butene homopolymers or 1-butene/alpha olefin copolymers wherein the alpha olefins are selected from ethylene, propylene or alpha olefins of formula CH2=CHZ wherein Z is a C3-C20 alkyl radical, comprisin...  
WO/2011/004032A1
This invention discloses caps and closures produced by injection moulding with a bimodal high density polyethylene (HDPE) resin comprising a low molecular weight, high density polyethylene fraction substantially free of comonomer and a h...  
WO/2011/002199A3
The present invention relates to a method for producing an elastomer. In detail, the method for producing an elastomer according to the present invention comprises a step of polymerizing ethylene, propylene and, selectively, a diene mono...  
WO/2011/002986A1
New ethylene polymers having low levels of long chain branching are disclosed. Films and film layers made form these polymers have good hot tack strength over a wide range of temperatures, making them good materials for packaging applica...  
WO/2011/002199A2
The present invention relates to a method for producing an elastomer. In detail, the method for producing an elastomer according to the present invention comprises a step of polymerizing ethylene, propylene and, selectively, a diene mono...  
WO/2011/002831A1
A polymerization process to copolymerize hydrophobic ethylenically unsaturated C4-C28 olefins with polar monomers such as acrylates utilizing a polymeric support resin to stabilize the polymerization product in an aqueous media is descri...  
WO/2010/141557A1
A process is taught, comprising polymerizing ethylene in the presence of a catalyst to form a crystalline ethylene-based polymer having a crystallinity of at least 50% as determined by DSC Crystallinity in a first reactor or a first part...  
WO/2010/140745A1
The preparation method of polypropylene random copolymer is disclosed, which is achieved by a bimodal polymerization method using a 2-stage continuous gas reactors for copolymerizing propylene and alpha olefin as comonomer. The polypropy...  

Matches 401 - 450 out of 13,146