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WO/2012/112264A1 |
Catalyst systems, processes of forming the same and polymers formed therefrom are described herein. The processes of forming the catalyst systems generally include contacting a blend of an alkyl magnesium compound and an organoaluminum c...
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WO/2012/109179A2 |
A polymer conetwork formed from the polymerization reaction of octyl- cyanoacrylate and a tri-telechelic star polymer comprising poiyisobutyiene terminated with cyanoacrylate groups (Ø(PIB-CA)3), wherein the ratio of octyl cyanoacrylate...
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WO/2012/107689A1 |
The invention relates to a method for manufacturing polyethylene or an ethylene copolymer, including a step of free radical polymerisation or copolymerisation of the ethylene at an initiation temperature varying from 150°C to 200°C, at...
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WO/2012/105608A1 |
Expanded polypropylene resin particles produced using a polypropylene resin as a base resin; wherein the polypropylene resin has at least two melting peaks as melting peaks that appear in a DSC curve that is obtained upon the second-roun...
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WO/2012/106567A2 |
Tape articles having improved properties are made from ultra-high molecular weight (UHMW) multi-filament yarns. The tape articles can have a ratio of the low temperature area under the curve (120° C to Tm-onset) to the total area under ...
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WO/2012/106695A2 |
A novel class of aminidate complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers.
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WO/2012/105566A1 |
Provided are: a nonwoven fabric having superior secondary fabrication characteristics, particularly low-temperature heat-sealing characteristics; and a textile product formed using the nonwoven fabric. More specifically, provided is a no...
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WO/2012/098045A1 |
Activating supports may be suitably prepared by the following procedure (a) providing a porous mineral oxide support material, (b) treating the support with a phosphorus-containing compound, (c) treating the support from step (b) with an...
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WO/2012/097680A1 |
Disclosed is a solid catalyst component for olefin polymerization. The catalyst component comprises a dialkoxyl magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. Said inte...
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WO/2012/098865A1 |
This molded body is formed from a composition which contains: 100 parts by weight of at least one resin that is selected from the group consisting of thermoplastic resins and thermosetting resins; and 0.01-10,000 parts by weight of a sil...
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WO/2012/099549A1 |
An aspect of the present invention is a preparation of a magnesium halide support for using as a composition of a catalyst in an olefin polymerization, wherein the magnesium halide support is a solid substance prepared by an aliphatic al...
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WO/2012/098521A1 |
Use of homogeneous catalytic systems which include as a pre-catalyst a complex of a group 4 metal and a Salan ligand in the polymerization of alpha-olefins, is disclosed. The Salan ligand is characterized by a sequential diamino-containi...
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WO/2012/096698A2 |
This invention relates to a process for polymerizing olefins in which the amount of trimethylaluminum in a methylalumoxane solution is adjusted to be from 1 to 25 mol%, prior to use as an activator, where the mol% trimethylaluminum is de...
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WO/2012/096404A1 |
There are provided (1) a solid catalyst component for olefin polymerization containing a titanium atom, a magnesium atom, a halogen atom and an internal electron donor represented by defined formula (I), such as diethyl 2,5-dioxahexanedi...
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WO/2012/096713A1 |
A method for preventing or reducing clogging of a fines ejector in a gas-phase olefin polymerization process is disclosed. The process involves injecting a liquid into the motive gas stream entering the fines ejector.
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WO/2012/096160A1 |
A process for producing an α-olefin oligomer which comprises polymerizing one or more C6-20 α-olefins in the presence of a catalyst to produce the α-olefin oligomer and deactivating the catalyst with a deactivator from which oxygen ha...
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WO/2012/093872A2 |
Disclosed are a method for preparing wax using unreacted materials in polymerization and a method for preparing a plastic rubber material using the wax. According to the present invention, the method for preparing wax using unreacted mat...
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WO/2012/094099A2 |
This invention relates to a foamable blend comprising an in-reactor polymer blend comprising: (a) a first propylene polymer component comprising 90 to 100 wt% propylene and from 0 to less than 10 wt% comonomer, said first propylene compo...
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WO/2012/089562A1 |
A solid catalyst component for the (co) polymerization of α-olefins having general formula (I): ZrnMA1xC1Mgp (I) wherein : M represents titanium (Ti), vanadium (V), or mixtures thereof; n is a number ranging from 0.01 to 2; x is a numbe...
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WO/2012/091684A1 |
A process or method for preparing a catalyst for polymerising olefins (e.g., ethylene). The process includes the dissolution of MgCl2 to produce or form MgCl2-XROH adducts or magnesium complexes. The process involves heating the magnesiu...
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WO/2012/092105A1 |
A polymerization process including the use of a first Ziegler-Natta type procatalyst having no internal electron donor and a second Ziegler-Natta type procatalyst including an internal electron donor is provided.
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WO/2012/092507A1 |
A virgin granular polymer comprising polymer particles wherein at least 90% by weight of the granular polymer particles, have an I21 that is within two standard deviations of a mean I21 of the granular polymer, the ratio of the standard ...
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WO/2012/084628A1 |
The present invention relates to a process for the gas-phase polymerisation of olefins in a fluidised bed reactor, which process comprises: a) passing a fluidising gas comprising one or more olefin monomers through a fluidised bed of pol...
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WO/2012/087560A1 |
A polymerization process is disclosed comprising polymerizing an olefin to form an olefin-based polymer in a polymerization reactor; and introducing a polyetheramine additive to the polymerization reactor. The process may further compris...
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WO/2012/087527A1 |
Disclosed herein are processes for preparing procatalyst compositions with an internal electron donor containing greater than 4.5 wt % of a compounded alkoxyalkyl ester. Also disclosed are catalyst compositions containing the procatalyst...
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WO/2012/084920A1 |
A precursor for the formation of catalysts for the (co)polymerization of α-olefins, comprising titanium, magnesium, at least one metal selected from hafnium and zirconium, aluminum and chlorine, obtained with a process comprising treatm...
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WO/2012/084772A1 |
Process for monitoring the polymerization of ethylene or ethylene and comonomers in the presence of free-radical polymerization initiator at pressures in the range of from 160 MPa to 350 MPa and temperatures in the range of from 100°C t...
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WO/2012/087535A1 |
Disclosed herein are procatalyst compositions, catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions contain a halo-malonate and a 2-fluoro-malonate in particular. Th...
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WO/2012/088235A2 |
The invention provides a polymerization process comprising polymerizing a reaction mixture comprising one or more monomer types, at least one catalyst, and at least one solvent, to form a polymer dispersion, and wherein the at least one ...
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WO/2012/084961A1 |
A solid, particulate catalyst comprising: (i) a 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...
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WO/2012/087531A1 |
Disclosed herein are catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present catalyst compositions include an internal electron donor with a compounded alkoxyalkyl ester and optionally a mixed ...
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WO/2012/087536A1 |
Disclosed herein are catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present catalyst compositions contain an internal electron donor of an alkoxyalkyl 2-propenoate and optionally a mixed exter...
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WO/2012/088217A1 |
The invention provides a process for monitoring and/or adjusting a dispersion polymerization of an olefin-based polymer, the process comprising monitoring the concentration of the carbon-carbon unsaturations in the dispersion using Raman...
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WO/2012/084735A1 |
A solid adduct comprising magnesium chloride and ethanol in which the moles of ethanol per mole of magnesium chloride range from 2 to 5 and in which the ratio between the average pore radius measured in Angstrom of said adduct, determine...
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WO/2012/086780A1 |
The purpose of the present invention is to provide: a polyethylene which can be produced using a novel chromium catalyst having an organic aluminum compound supported thereon and has excellent moldability, excellent impact resistance and...
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WO/2012/082393A1 |
The invention provides an ethylene-based polymer comprising the following properties: A) a MWDconv from 7 to 10; and B) a "normalized LSF" greater than, or equal to, 9.5.
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WO/2012/080294A1 |
Methods of preparing silica-supported catalysts useful for olefin polymerization are described. The catalysts comprise a metallocene complex. An activator mixture made from a boron acid compound and methylalumoxane is combined with eithe...
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WO/2012/072643A2 |
Disclosed is the production of isobutylene homopolymer or copolymer derivatives comprising a hydrophobic polyisobutylene polymer residue that has a number average molecular weight of 110 to 250,000 and low-molecular polar groups containi...
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WO/2012/072417A1 |
The present invention relates to a process for maintaining a continuous gas-phase (co-) polymerisation of olefins in a large fluidised bed reactor in a homogeneous mode whilst operating at high space time yield and condensation rate in t...
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WO/2012/074710A1 |
Catalyst compositions for the polymerization of olefins having improved flowability properties are provided.
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WO/2012/072639A1 |
The present invention relates to an apparatus and process for the gas phase polymerisation of olefins, the apparatus comprising: a) a reaction zone comprising a grid at its base, b) an inlet located in the lower half of the reaction zone...
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WO/2012/072618A1 |
Method for activation of chromium containing catalyst precursor for polymerization and improved polymerization catalyst resulting The instant invention relates to an activation of a polymerization catalyst precursor by heat treatment com...
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WO/2012/074733A1 |
The disclose provides pressure-sensitive adhesives and adhesive sealants prepared from alkoxysilane modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom.
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WO/2012/072178A1 |
The present invention relates to a method for cleaning a reactor and/or equipment thereof used in oligomerization or polymerization of ethylene and/or alpha-olefins, comprising the step of purging the reactor and/or equipment with a purg...
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WO/2012/074709A1 |
Processes for the polymerization of olefins with extracted metal carboxylate salts are provided. The polymerization processes have increased productivity and/or increased resin bulk density.
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WO/2012/072605A1 |
The instant invention relates to an activation of a polymerization catalyst precursor by heat treatment comprising a support material and a catalyst precursor deposited thereon in a fluidized bed activator and to the use of the activated...
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WO/2012/070753A2 |
The present invention relates to a solid catalyst for the polymerization of propylene and to a method for preparing same, and more particularly, to a solid catalyst for the polymerization of propylene, which can polymerize polypropylene ...
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WO/2012/069157A1 |
The present invention relates to a process for preparing a solid catalyst component suitable for producing polyethylene and its copolymers, said process comprising the steps of: (a) contacting a dehydrated support having hydroxyl groups ...
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WO/2012/070240A1 |
Provided is an α-olefin polymer that satisfies the belowmentioned (1)-(4): (1) the average number of carbon atoms in the α-olefin that configures the polymer is 6.0-14 inclusive; (2) molecular weight distribution (Mw/Mn) ≤ 2.0; (3) 3...
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WO/2012/067777A2 |
This invention relates to a process to make a multimodal polyolefin composition comprising: (i) contacting at least one first olefin monomer with a mixed catalyst system, under polymerization conditions, to produce at least a first polyo...
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