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Matches 601 - 650 out of 7,336

Document Document Title
WO/2009/054832A1
Certain metallocene compounds are provided that, when used as a component in a supported polymerization catalyst under industrially relevant polymerization conditions, afford high molar mass homo polymers or copolymers like polypropylene...  
WO/2009/055212A1
A propylene copolymer is described comprising at least 70 mol% of units derived from propylene, up to 30 mol% of units derived from a combination of ethylene, at least one alpha-olefin having from 4 to 10 carbon atoms, such that the mola...  
WO/2009/054888A1
Polyethylene compositions having improved properties are provided. In one aspect, a polyethylene composition having a long chain branching index (g'avg) of 0.5 to 0.9; a Melt Flow Rate (MFR) of greater than (49.011 x MI(-0.4304) ), where...  
WO/2009/050045A3
Process for the production of propylene polymers having a Melt Flow rate (230°C, 2.16 Kg) higher than 30 g/10' and preferably higher than 50 g/10' and also characterized by having broad molecular weight distribution (MWD) carried out in...  
WO/2009/051160A1
Disclosed is a molded article which is produced from a resin composition comprising a modified ethylene-(vinyl alcohol) copolymer (C-1) and a modified ethylene-(vinyl alcohol) copolymer (C-2), wherein the at least a part of the resin com...  
WO/2009/049387A8
The present invention relates to a process for the preparation of catalytic support and the supported bimetallic catalysts, used in the production of ethylene homopolymers and ethylene copolymers with α-olefins, of high and ultra high m...  
WO/2009/049387A3
The present invention relates to a process for the preparation of catalytic support and the supported bimetallic catalysts, used in the production of ethylene homopolymers and ethylene copolymers with α-olefins, of high and ultra high m...  
WO/2009/050045A2
Process for the production of propylene polymers having a Melt Flow rate (230°C, 2.16 Kg) higher than 30 g/10' and preferably higher than 50 g/10' and also characterized by having broad molecular weight distribution (MWD) carried out in...  
WO/2009/048625A1
The invention relates to catalyst compositions including at least one catalyst compound and at least one continuity additive such as poly-oxo-metal carboxylate compound and their use in the polymerization of olefins. The poly-oxo metal c...  
WO/2009/040201A1
Novel polyolefin compositionscomprising (A) a first propylene-ethylene random copolymerand (B) a second propylene-ethylene random copolymer, wherein the polyolefin composition has an ethylene content CMAB of 1 - 10wt% and an MFR(AB) of 3...  
WO/2009/031798A3
Disclosed are an ethylene polymerization process, a catalyst for use in the process, a production method employing the catalyst, and a product produced thereby. More specifically, disclosed is a process of producing an ethylene copolymer...  
WO/2009/032622A1
The invention provides compositions which comprise at least one ethylene/?-olefin interpolymer, and at least one partitioning agent, and wherein the interpolymer is polymerized in the presence of the partitioning agent to form particles ...  
WO/2009/032051A1
A slurry process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in the presence of an a-olefin and a catalyst comprising an activator and a supported bridged indeno[1,2-b]indolyl zirconium complex. Th...  
WO/2009/032049A1
A slurry process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in the presence of an a-olefin, hydrogen, and a catalyst comprising an activator and a supported, dimethylsilyl-bridged bis(indenoindoly...  
WO/2009/031798A2
Disclosed are an ethylene polymerization process, a catalyst for use in the process, a production method employing the catalyst, and a product produced thereby. More specifically, disclosed is a process of producing an ethylene copolymer...  
WO/2009/032048A1
A slurry process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in the presence of an a-olefin and a catalyst comprising an activator and a supported bridged indeno[1,2-b]indolyl zirconium complex. Th...  
WO/2009/027379A1
Solid Ziegler-Natta catalyst system for the (co)polymerisation of ethylene, said catalyst system comprising 1 ) a solid procatalyst formed by contacting at least: a) a Mg-alcoholate complex of the formula (I): Mg(OR1)2 -n(R1)n, wherein e...  
WO/2009/027212A1
The invention relates to a method for the production of protective colloid-stabilized polymer products by means of emulsion polymerization in a reactor having an external cooling circuit, which is equipped with a pump and a heat exchange...  
WO/2009/027389A1
The invention relates to the use of a polyolefin composition comprising a propylene- ethylene random copolymer having an ethylene content of 0.5 - 10 wt% and a randomness R of the ethylene distribution in the polymer chain of ≥ 0.945 f...  
WO/2009/023111A1
A continuity additive according to one general approach includes a substance having an ability to reduce, prevent, or mitigate at least one of fouling, sheeting, and static level of a material present in a polymerization reactor system w...  
WO/2009/021930A1
The invention provides a process for preparing polymers based on vinyl ester, ethylene and optionally further comonomers in the form of aqueous polymer dispersions thereof or of water-redispersible polymer powders by means of free-radica...  
WO/2009/019169A1
The present invention relates to a process for producing a propylene terpolymer comprising comonomer units derived from ethylene and from one alpha-olefin selected from the group of C4-C8 alpha-olefins and being characterized by a total ...  
WO/2009/009158A3
A process for preparing a functionalized polymer, the steps of the process involving contacting a metathesis catalyst under metathesis conditions with a composition comprising: (a) at least one ethylenically unsaturated polymer character...  
WO/2009/009158A2
A process for preparing a functionalized polymer, the steps of the process involving contacting a metathesis catalyst under metathesis conditions with a composition comprising: (a) at least one ethylenically unsaturated polymer character...  
WO/2009/000637A1
A 1-butene ethylene copolymer having an ethylene derived units content ranging from 15.10 % by molto 18.00 % by mol having the following properties: a) distribution of molecular weight lower than 3; preferably b) hardness shore A (measur...  
WO/2008/152933A1
Disclosed is a thermoplastic elastomer composition containing 10-60 parts by weight of a non-crosslinkable crystalline polyolefin resin (A), 1-30 parts by weight of a specific propylene 1-butene random copolymer (B) and 89-10 parts by we...  
WO/2008/151794A1
The present invention relates to a process for the production of propylene copolymers wherein in a first step an olefin polymerisation catalyst comprising a solid catalyst component is subjected to a prepolymerisation reaction in a prepo...  
WO/2008/152935A1
Disclosed are a novel ethylene/α-olefin copolymer having excellent crosslinking characteristics; an expansion molded body having low specific gravity and low compression set (CS), a composition which enables to obtain such an expansion ...  
WO/2008/142130A1
Catalyst system comprising (a) a procatalyst composition comprising (i) a transition metal compound of Group 4 to 6 of the Periodic table (IUPAC, Nomenclature of Inorganic Chemistry, 1989), (i) M9Cl2 and (ii) an internal donor, wherein (...  
WO/2008/142122A1
A polypropylene copolymer comprising monomer units of propylene and at least one other α-olefin as a comonomer, wherein (a) the weight ratio of the α-olefin to the sum of monomers present in said polypropylene copolymer (α-olefin/(α-...  
WO/2008/144120A1
In a process for producing an elastomer composition, ethylene, at least one alpha-olefin, and at least one diene is contacted with a catalyst system comprising at least one metallocene catalyst compound and a non-coordinating anion activ...  
WO/2008/142019A1
A propylene polymer composition having a Flexural modulus lower than 500MPa, a total ethylene content from 9 to 30% by weight, a xylene soluble fraction at room temperature higher than 25% by weight, a melting temperature measured by DSC...  
WO/2008/141934A1
A process for the preparation of a propylene copolymer composition having a Flexural modulus lower than 500MPa, a total ethylene content higher than 9% and a Xylene soluble fraction at room temperature higher than 20% comprising at least...  
WO/2008/140280A2
The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution p...  
WO/2008/140280A3
The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution p...  
WO/2008/140468A3
Described are methods of making organic compounds by metathesis chemistry. The methods of the invention are particularly useful for making industrially-important organic compounds beginning with starting compositions derived from renewab...  
WO/2008/140835A8
Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties, including one or more of the following: a he...  
WO/2008/140835A1
Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties, including one or more of the following: a he...  
WO/2008/140205A1
The present invention relates to an ethylene α-olefin copolymer having a narrower molecular weight distribution, and a uniform distribution of comonomer. The ethylene α-olefin copolymer according to the present invention has a uniform ...  
WO/2008/132035A1
Butene-1 terpolymers having -a content of propylene derived units of 0.5-13 %mol, and -a content of ethylene derived units of1-3 %mol, -a ratio C3/C2 of the content of propylene and ethylene derived units is of from 1 to 10, said butene-...  
WO/2008/125208A2
The invention relates to a bimodal or multimodal polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with α-olefins, has a polydispersity index Mw/Mn of the low molecular weight component of less than 10 and...  
WO/2008/125208A3
The invention relates to a bimodal or multimodal polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with α-olefins, has a polydispersity index Mw/Mn of the low molecular weight component of less than 10 and...  
WO/2008/123526A1
Disclosed is a super high molecular weight ethylene-α-olefin copolymer powder having a limiting viscosity of not less than 5 dl/g, a DSC melting point of not more than 122˚C, an apparent bulk density of not less than 0.30 g/cm3 and a f...  
WO/2008/122445A1
The present invention concerns a propylene copolymer composition, a molded article comprising the composition and the use of the propylene copolymer composition for preparing molded articles, preferably pipes.  
WO/2008/123993A1
At least partially neutralized chlorosulfonated ethylene/alpha-olefin elastomers containing 0.5-10 weight percent chlorine and 0.25 to 5 weight percent sulfur are prepared from ethylene/alpha-olefin copolymer base resins having a ratio o...  
WO/2008/123988A1
Chlorosulfonated propylene/olefin elastomers containing 0.5 55 weight percent chlorine and 0.15 to 5 weight percent sulfur are prepared from metallocene catalyzed propylene/olefin copolymer base resins having a ratio of Mw/Mn less than 3...  
WO/2008/123991A1
Partially neutralized chlorosulfonated polyolefin elastomers containing 0.5 10 weight percent chlorine and 0.25 to 5 weight percent sulfur are prepared from polyolefin elastomer base resins selected from the group consisting of propylene...  
WO/2008/120912A1
The present invention provides a copolymer that includes at least one alkene monomer, at least one acrylate monomer and at least one the unsaturated organic acid monomer having one or more double bonds, and a method of manufacturing the ...  
WO/2008/118576A1
The disclosure provides for a process and polymerization system to produce isoolefin polymers (72) utilizing polymorphogenates (16, 26) in the catalyst system to control polydispersity (MWD). The disclosure also provides a catalyst syste...  
WO/2008/111638A1
Disclosed is a method for producing a butene-ethylene copolymer, which comprises copolymerization of 1-butene and ethylene in the presence of an olefin polymerization catalyst which contains a transition metal complex represented by the ...  

Matches 601 - 650 out of 7,336