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Matches 601 - 650 out of 13,141

Document Document Title
WO/2009/082465A1
Provided are bulk homogeneous polymerization processes for producing ethylene propylene random copolymers. The process includes contacting in a reactor or in a series of reactors propylene monomer, ethylene comonomer with one or more cat...  
WO/2009/077287A1
A copolymer of propylene with hexene-1 containing from 5 to 9% by weight of recurring units derived from hexene-1, having a melting temperature from 125°C to 140°C and Melt Flow Rate (ASTM D1238, 230°C/2.16 Kg) from 0.1 to 3 g/10 min....  
WO/2009/077328A1
A very transparent moulded article comprising a propylene copolymer which comprises hexene-1 as comonomer and a clarifying agent, said propylene copolymer characterized by: a) a content of hexene-1 ranging from 1.5 to 6 %wt with respect ...  
WO/2009/076152A1
A catalyst system is disclosed that comprises a heterogeneous catalyst and a single site catalyst impregnated on the surface of the heterogeneous catalyst. From this catalyst system, a pre-polymerized polyolefm catalyst can be produced b...  
WO/2009/072600A1
Disclosed is an unstretched film or sheet having excellent antistatic properties and transparency. Also disclosed are a resin composition used for producing the unstretched film or sheet, and a potassium ionomer contained in the composit...  
WO/2009/071471A1
The invention relates to a novel process for producing coloured polypropylene compositions having a high content of β-modification, wherein polypropylene is melt blended with at least one inorganic pigment and at least one β-nucleating...  
WO/2009/070858A1
The present invention relates to integrated processes for the production of ethylene-butylene copolymers from at least one renewable natural raw material. More specifically, the present invention relates to processes wherein in the ethyl...  
WO/2009/071324A1
A multimodal linear low density polyethylene polymer having a final density of 900 to 940 kg/m3, and containing at least one α-olefin comonomer in addition to ethylene comprising: (A) 30 to 60 wt% of a lower molecular weight component b...  
WO/2009/072476A1
Disclosed are: a terpolymer composed of isobutene, isoprene and styrylisoprene; a process for producing the terpolymer; and a sealing member for an electrolytic capacitor. A structure body of a terpolymer composed of isobutene, isoprene ...  
WO/2009/072553A1
A molding excellent in various properties and a rubber composition for forming the molding are provided by improving compatibility between an ethylene/α-olefin/unconjugated polyene copolymer and a polyolefin resin. Also provided is a mo...  
WO/2009/072503A1
A copolymer rubber reduced in the content of impurities therein and excellent in suitability for kneading, extrudability, and shape retentivity; a rubber composition containing the copolymer rubber; and a rubber molding obtained from the...  
WO/2009/068579A1
A process for the preparation of a propylene random copolymer, wherein propylene is polymerised with ethylene and/or a C4-C20 alpha-olefin in the presence of a catalyst system comprising solid catalyst particles, wherein the solid cataly...  
WO/2009/069825A1
Disclosed is an ethylene-α-olefin copolymer which has a monomer unit derived from ethylene and a monomer unit derived from an α-olefin having 3 to 20 carbon atoms, and which has a density (d) of 860 to 950 kg/m3, a melt flow rate (MFR)...  
WO/2009/069823A1
Disclosed is an ethylene-α-olefin copolymer which has a monomer unit derived from ethylene and a monomer unit derived from an α-olefin having 3 to 20 carbon atoms, and which has a density (d) of 860 to 950 kg/m3, a melt flow rate (MFR)...  
WO/2009/069821A1
Disclosed is an ethylene-α-olefin copolymer which has a monomer unit derived from ethylene and a monomer unit derived from an α-olefin having 3 to 20 carbon atoms, and which has a density (d) of 860 to 950 kg/m3, a melt flow rate (MFR)...  
WO/2009/068577A1
The present invention relates to a propylene random copolymer, comprising comonomers selected from the group consisting of ethylene, C4 to C20 alpha-olefins, and any combination thereof, wherein the propylene random copolymer (a) has a c...  
WO/2009/067337A1
Substantially isotaclic propylene interpolyraets comprise (A) at least 60 weight percent (wt%) units derived from propylene, and (B) between greater than zero and 40 wt% units derived from ethylene, the propylene interpolyrner further ch...  
WO/2009/063918A1
Disclosed is a copolymer of ethylene (X), a vinyl carboxylate (Y) represented by the formula (1) and an alkyl (meth)acrylate represented by the formula (2) and/or an alkoxyalkyl (meth)acrylate represented by the formula (3) (Z) (provided...  
WO/2009/059971A1
The present invention discloses a process for preparing polyethylene resins in a double loop reactor wherein the catalyst system comprises a bis-tetrahydroindenyl and a bis-indenyl catalyst component deposited on the same support. It als...  
WO/2009/060044A1
The invention relates to a process for the production of an ultra-high molecular weight polyethylene ((U)HMWPE) article comprising: - copolymerizing ethylene with a linear, branched or cyclic polyene having 3 to 100 carbon atoms, resulti...  
WO/2009/059781A1
This invention relates to an ethylene polymer having a weight average molecular weight of at least 120,000 comprising 1 -50 tertiary double bonds per 10,000 carbon atoms.  
WO/2009/059969A1
The present invention discloses a method for predicting the melt index and density of the polymer in terms of the operating conditions in the reactor and vice-versa, to select the operating conditions necessary to obtain the desired prod...  
WO/2009/060008A1
A method for ethylene slurry polymerisations in a loop reactor in the presence of ethylene monomer, diluent and catalyst and optionally co-monomer and hydrogen, wherein the polymerisation temperature is maintained below the swelling temp...  
WO/2009/059970A1
The present invention relates to the polymerisation of olefin monomers in a slurry loop reactor and to a model for determining and optimising the changes in operating conditions that need to be applied when changing from one polymer grad...  
WO/2009/059780A1
The invention provides propylene polymer comprising at least 80 mol % units derived from propylene and less than 0.5 mol% units derived from a tertiary diene wherein said tertiary diene is not a 1,4-diene said polymer comprising 1-50 ter...  
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...  

Matches 601 - 650 out of 13,141