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Matches 251 - 300 out of 7,292

Document Document Title
WO/2012/059290
The present invention relates to a chromium catalysed ethylene copolymer powder exhibiting a superior fragmentation coefficient.  
WO/2012/059289
The present invention relates to a process for the activation of a supported chromium oxide based catalyst.  
WO/2012/057975
The invention provides an ethylene-based polymer formed from at least the following: ethylene and a "monomeric chain transfer agent (monomeric CTA)," comprising a "copolymerization end" and a "chain transfer end."  
WO/2012/052436
What are described are precatalysts for preparation of polyolefins by homopolymerization of cyclic olefins or copolymerization of cyclic olefins with 1‑olefins by means of vinyl insertion polymerization (VIP) and ring-opening metathesi...  
WO/2012/045597
The present invention relates to a method to control a liquid feed stream carried out by measuring at least one spectrum of the liquid feed stream comprising an initiator or catalyst, determining its activity using a predictive model on ...  
WO/2012/046456
This solar cell sealing material contains an ethylene-α-olefin copolymer satisfying the following requirements (a1) to (a4): (a1) the content of structural units derived from ethylene is 80 to 90 mol % and the content of structural unit...  
WO/2012/048067
The present invention provides polymerization processes utilizing an ansa-metallocene catalyst system for the production of olefin polymers. Polymers produced from the polymerization processes have properties that vary based upon the pre...  
WO/2012/048067
The present invention provides polymerization processes utilizing an ansa-metallocene catalyst system for the production of olefin polymers. Polymers produced from the polymerization processes have properties that vary based upon the pre...  
WO/2012/044417
The disclose provides pressure-sensitive adhesives and adhesive sealants prepared from modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom.  
WO/2012/044291
The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in shrinkage film applications, and articles made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of le...  
WO/2012/044503
Ethylene-based interpolymers, e.g., ethylene-acrylic acid copolymers, are made by a process comprising the steps of: A. Injecting a first feed comprising a chain transfer agent system (CTA system) and ethylene into a first autoclave reac...  
WO/2012/044293
The instant invention provides an ethylene/alpha-olefin interpolymer suitable for use in fiber applications, and fibers made therefrom. The ethylene/alpha-olefin interpolymer according to the present invention has a CDBI of less than 60%...  
WO/2012/039900
An additive comprising, dissolved in a solvent, an asphaltene dispersant selected from the group consisting of α-olefin/vinyl pyrrolidinone copolymers. The copolymer can comprise at least one α-olefin selected from the group consisting...  
WO/2012/039900
An additive comprising, dissolved in a solvent, an asphaltene dispersant selected from the group consisting of α-olefin/vinyl pyrrolidinone copolymers. The copolymer can comprise at least one α-olefin selected from the group consisting...  
WO/2012/039560
Provided is an ethylene copolymer having improved hygienic property. More particularly, the ethylene copolymer satisfies a correlation between a density thereof and an extract content. The ethylene copolymer having improved hygienic prop...  
WO/2012/039560
Provided is an ethylene copolymer having improved hygienic property. More particularly, the ethylene copolymer satisfies a correlation between a density thereof and an extract content. The ethylene copolymer having improved hygienic prop...  
WO/2012/036063
Provided are a propylene resin multi-layer sheet and a packaging body for heat treatment which have excellent characteristics such as transparency, flexibility, and impact resistance at very low temperatures; reduced thickness fluctuatio...  
WO/2012/037462
A flexible tubing material includes a mixture of a polyolefin and a styrenic based block copolymer, wherein the styrenic based block copolymer has an A-B-A block configuration and a molecular weight of at least about 350 kg/mol.  
WO/2012/037462
A flexible tubing material includes a mixture of a polyolefin and a styrenic based block copolymer, wherein the styrenic based block copolymer has an A-B-A block configuration and a molecular weight of at least about 350 kg/mol.  
WO/2012/032836
The invention is a method for producing copolymers of olefin and polar group-containing monomers represented by formula (1) C(R1)2=C(R1)(C(R1)2)nR2 (1) (the definitions of the notations in the formula are as described in the Specificatio...  
WO/2012/031951
A propylene/ethylene/1-hexene terpolymer containing from 1.0 wt% to 2.5 wt%, of ethylene derived units and from 2.0wt% to 3.5wt% of 1-hexene derived units, the sum of the amounts of propylene, ethylene and 1-.hexene derived units being 1...  
WO/2012/031952
A terpolymer containing propylene, ethylene and an alpha olefins of formula CH2=CHZ wherein Z is an hydrocarbon group having from 2 to 10 carbon atoms wherein: (i) the content of ethylene derived units ranges from 0.5 wt% to 5.0 wt%; (ii...  
WO/2012/032005
The application provides a terpolymer obtainable by copolymerization of (A) 1 to 70% by weight of at least one electron-deficient olefin, for example an anhydride of a monoethylenically unsaturated C4- to C6-dicarboxylic acid, (B) 1 to 8...  
WO/2012/033670
A catalyst composition comprising (a) a first metallocene complex represented by the general formula (MTE-A), where M1 is Ti, Zr or Hf, X1 and X2 are each independently F, CI, Br, I, methyl, benzyl, phenyl, H, BH4, a hydrocarbyloxide gro...  
WO/2012/029432
Provided are: a group 10 metal complex having a carboxylate structure represented by general formula (C2); a catalyst for olefin polymerization that has the complex as a principal component; and a method for producing a polymer character...  
WO/2012/027448
The present invention generally relates to a process that copolymerizes two or more polymerizable olefins, and to cataclyst comprising a metal -ligand complex (precatalyst). The present invention also generally relates to ligands useful ...  
WO/2012/027173
Disclosed is a method for making LLDPE grades having different xylene solubles or hexane extractables with the same Ziegler-Natta catalyst by varying the amount of alkylaluminum used for polymerization. The method comprises copolymerizin...  
WO/2012/027139
This invention relates to a process to produce a poly(alpha-olefin)(alpha, internally unsaturated, nonconjugated olefin) comprising: contacting at least one renewable feedstream with at least one lower olefin in the presence of a metathe...  
WO/2012/027171
Disclosed is a process for making a linear low density polyethylene (LLDPE) having low gels. The process comprises copolymerizing ethylene with one or more C3-10 α-olefins to produce an LLDPE resin which has a gel defect area less than ...  
WO/2012/027139
This invention relates to a process to produce a poly(alpha-olefin)(alpha, internally unsaturated, nonconjugated olefin) comprising: contacting at least one renewable feedstream with at least one lower olefin in the presence of a metathe...  
WO/2012/020145
A supported catalyst system comprising a coprecipitated silica-and titania-containing support, comprising alumoxane as acatalyst activating agent, and a metallocene, wherein the supported catalyst system hasa Ti content of at least 0.1wt%.  
WO/2012/019276
An activity modifier is used to control the ratio of polymer components in a polyethylene composition made using a combination catalyst comprising a chromium catalyst, a group 4 single site catalyst, and one or more activators. The combi...  
WO/2012/016928
Melt-blown fiber (MBF) comprising a propylene copolymer(PP), whereinthemelt-blown fiber (MBF) and/or thepropylene copolymer (PP) has/have (a) a melt flow rate MFR2 (230°C) measured according to ISO 1133 of at least 300g /10min, (b) a co...  
WO/2012/014420
Disclosed is a method for controlling the chain structure in copolymers which is capable of controlling the arrangement of monomer units in copolymers, and of making and separating random copolymers, tapered copolymers, multi-block copol...  
WO/2012/014456
Disclosed is a copolymer of a conjugated diene compound and a non-conjugated olefin characterized in that the copolymer is a random copolymer in which the monomeric units of the conjugated diene compound and the non-conjugated olefin are...  
WO/2012/013761
Random copolymers of propylene with ethylene, and optionally other olefins, comprising from 3.5% to 6.5% by weight of ethylene and having a melt flow rate (MFR) according to ISO 1133 (230°C, 2.16 Kg) of less than 10 g/10 min and a melti...  
WO/2012/014455
In a copolymer of conjugated diene compounds and non-conjugated olefins, the cis 1, 4 bond content of the conjugated diene portion is greater than 70.5%, and the non-conjugated olefin inclusion amount is at least 10 mol%.  
WO/2012/014463
Disclosed is a copolymer of conjugated diene compounds and non-conjugated olefins, wherein the copolymer comprises cis 1, 4 bonds in the conjugated diene portion thereof, and includes many ethylene structures among the non-conjugated ole...  
WO/2012/014459
Provided is a copolymer of a conjugated diene compound and a non-conjugated olefin characterized in that the copolymer is a tapered copolymer having: a block moiety comprising the monomeric unit of the conjugated diene compound and/or a ...  
WO/2012/014421
Disclosed is a manufacturing method for a copolymer of conjugated diene compounds and olefins other than conjugated diene compounds. The disclosed method is characterised in that conjugated diene compounds and olefins other than conjugat...  
WO/2012/008794
Provided is an ethylene copolymer with improved elasticity and processibility. More specifically, provided is an ethylene copolymer which exhibits a high zero shear viscosity and a large degree of shear thinning degree, and shows rheolog...  
WO/2012/008794
Provided is an ethylene copolymer with improved elasticity and processibility. More specifically, provided is an ethylene copolymer which exhibits a high zero shear viscosity and a large degree of shear thinning degree, and shows rheolog...  
WO/2012/007356
The invention provides a process for aqueous, free-radically initiated, continuous emulsion polymerization of A) at least one vinyl ester and optionally at least one (meth)acrylic ester, B) ethylene, and C) 0 to 10% by weight, based on t...  
WO/2012/007354
The invention relates to a method for producing aqueous polymer dispersions by means of radically initiated emulsion polymerisation, in an aqueous medium, of vinyl ester and ethylene, and optionally further ethylenically unsaturated como...  
WO/2012/004240
The invention relates to a copolymer having high chemical uniformity, made of (A) 50 to 30 wt % of ethylene, (B) 50 to 70 wt % of C4- to C24-hydrocarbylester of (meth)acrylic acid, (C) 0 to 5 wt % of (meth)acrylic acid, and (D) 0 to 10 w...  
WO/2012/002772
The present invention relates to an olefin-based polymer which exhibits superior processability and superior adhesive properties, and which therefore can be desirably used as a hot-melt adhesive (HMA) or the like. The present invention a...  
WO/2012/002772
The present invention relates to an olefin-based polymer which exhibits superior processability and superior adhesive properties, and which therefore can be desirably used as a hot-melt adhesive (HMA) or the like. The present invention a...  
WO/2012/001160
The invention covers a supported catalyst system prepared according to a process comprising the following step: i). impregnating a silica-containing catalyst support having a specific surface area of from 150 m2/g to 800 m2/g, preferably...  
WO/2012/002555
An ethylene-(α-olefin) copolymer which has a monomer unit derived from ethylene and a monomer unit derived from an α-olefin having 3-20 carbon atoms, and also has a melt flow rate (MFR) of 0.01-100 g/10 min, a density of 860-970 kg/m3,...  
WO/2012/003219
A process for polymerizing ethylene to produce an ethylene -based polymer including contacting ethylene with a Ziegler-Natta procatalyst, an alkylaluminum cocatalyst and a self limiting agent selected from the group of aliphatic, cycloal...  

Matches 251 - 300 out of 7,292