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WO/2013/047314A1 |
The purpose of the present invention is to provide: a polymer which has a smaller halogen atom content remaining in the polymer; a simple method for producing the polymer; an active energy ray-curable composition which can be quickly cur...
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WO/2013/046846A1 |
The present invention provides a method for producing a chlorinated propylene-containing polymer, said method comprising a step wherein a propylene-containing polymer is chlorinated in a mixed liquid of a chlorine-based solvent and water...
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WO/2013/043796A2 |
The present invention relates to a branched modifier and a composition comprising more than 25 wt% (based on the weight of the composition) of one or more linear ethylene polymers having a g'vis of 0.97 or more and an Mw of 20,000 g/mol ...
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WO/2013/042400A1 |
A solid catalyst component for the polymerization of an olefin, which comprises titanium, magnesium, a halogen and a compound represented by formula (1): R1O-C(=O)-O-Z-OR2. A catalyst for the polymerization of an olefin, which comprises ...
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WO/2013/041470A1 |
A process for the preparation of high purity propylene polymers carried out in the presence of a catalyst comprising the product obtained by contacting: (a) a solid catalyst component comprising Mg, Ti and at least a first internal elect...
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WO/2013/042797A1 |
An object of the present invention is to provide a process for producing a solid catalyst component for olefin polymerization, a process for producing a solid catalyst for olefin polymerization, and a process for producing an olefin poly...
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WO/2013/039619A1 |
Aspects of the invention are directed to a loop polymerization reactor comprising upflow and downflow legs fluidly connected at the top and bottom thereof to form a continuous loop, in which the number of downflow legs exceeds the number...
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WO/2012/007443A9 |
The present invention relates to a modified polymer obtained by grafting a compound thereto, said compound including at least one group Q and at least one group A bonded together by at least one, and preferably only one, spacer group Sp,...
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WO/2013/036211A1 |
The present invention relates to a high activity olefin polymerization catalyst comprising a boron-containing silica support and the preparation thereof. This invention is characterized in that the support is heat treated in combination ...
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WO/2013/032651A1 |
The present disclosure is directed to the production of substituted phenylene aromatic diesters and 5-tert-butyl-3-methyl-l,2-phenylene dibenzoate (or "BMPD") in particular. The processes disclosed herein produce a liquid BMPD product. T...
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WO/2013/033690A1 |
A polymer having a melt index of from about 0.5 g/10 min to about 4.0 g/10 min and a density of equal to or greater than 0.96 g/cc which when formed into a 1-mil film displays a moisture vapor transmission rate ranging from equal to or g...
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WO/2013/031779A1 |
A method for producing an α-olefin polymer, characterized by comprising polymerizing (C) an α-olefin having 16 to 40 carbon atoms in the presence of (A) a specific meso-form transition metal compound and (B) a polymerization catalyst c...
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WO/2013/027958A1 |
The present invention relates to a method for preparing a polyethylene wax, comprising the step of polymerizing ethylene monomers using a metallocene catalyst in a loop reactor, and more particularly, to a method for polymerizing a polye...
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WO/2013/027560A1 |
The present invention is a method for obtaining a solid catalyst component for olefin polymerization by contacting and reacting together a magnesium compound, a tetravalent titanium halide compound, and the electron donor compound repres...
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WO/2013/025351A1 |
The invention is an improved apparatus for continuously stirring polymer particles in reactive gas-filled polymerization reactors incorporating contiguous paddle stations on a coaxial drive shaft wherein the drive shaft is driven by a hy...
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WO/2013/025822A1 |
A process for creating polyolefin blends from waste streams with controlled rheological properties can include processing a waste stream to make a mixture comprising a mixture comprising polypropylene and polyethylene and compounding the...
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WO/2013/024701A1 |
Provided are: an α-olefin oligomer fulfilling (1)-(6) below; an α-olefin oligomer which is produced with an α-olefin oligomer production method using a specific double-cross-linked meso-type complex and which has a low amount of dimer...
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WO/2013/020896A1 |
Group 4 transition metal complexes of bidentate iminonaphthol pro-ligands are claimed. These can be used as catalysts to polymerise olefins, preferably ethylene, inter alia to prepare ultra high molecular weight polyethylene having a nar...
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WO/2013/022108A1 |
An olefin polymerization catalyst is obtained by causing a complex represented by general formula (1-1) or (1-2), an activating co-catalyst component, and a carrier to contact one another.
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WO/2013/020876A1 |
Solid adducts comprising MgCl2 and an alcohol ROH in which R is a C1-C20 hydrocarbon group, in which the amount of alcohol ranges from higher than 42% to 60% by weight and the porosity determined with Hg method due to pores up to 1 μm a...
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WO/2013/021058A1 |
Preparation of high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 50 mol% by polymerization of isobutene or isobutene-comprising monomer mixtures in th...
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WO/2013/022102A1 |
Provided is a catalyst containing a complex represented by general formula (1), and capable of synthesizing an ethylene polymer by catalyzing an ethylene homopolymer or a copolymer of ethylene and α-olefin, wherein the polymer obtained ...
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WO/2013/016478A1 |
The present disclosure provides a process for producing a wash-free propylene-based polymer with low total ash content for use as dielectric film. The propylene-based polymer contains a substituted phenylene aromatic diester and is suita...
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WO/2013/014383A1 |
The present invention relates to a method for preparing, by ethylene polymerisation, at least one dialkyl magnesium compound with formula R-(CH2-CH2)n-Mg-(CH2-CH2)m-R' in which R and R', optionally identical, are aryl, benzyl, allyl or a...
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WO/2013/013611A1 |
Provided is a catalyst component A for olefinic polymerization, obtained by contacting a solid component (a) comprising magnesium, titanium, halogen and an internal electron donor compound with an organosilicon compound (b), wherein the ...
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WO/2013/012697A2 |
A loop reactor axial pump system improves conversion of tangential to axial flow of a flowing slurry by attaching a straight impeller section to the inlet of an elbow section. A pump shaft extends rotatably from the elbow through guide v...
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WO/2013/008401A1 |
This method for producing an olefin polymer produces an olefin polymer by polymerizing at least one type of α-olefin having 6-20 carbon atoms in the presence of a metallocene catalyst, and after the catalyst is deactivated and deashed a...
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WO/2013/009553A2 |
Fine particulate polymer drag reducing agents (DRAs) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. The grinding or pulverizing of polymer, e.g. non-porous po...
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WO/2013/009592A2 |
Provided herein are methods for the preparation of mono- and multi-functional telechelic polyolefms via polymerization reaction with a terpene-based initiator.
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WO/2013/008398A1 |
This method for producing an olefin polymer produces an olefin polymer by polymerizing at least one type of α-olefin having 6-20 carbon atoms in the presence of a metallocene catalyst, and by means of diluting the polymerization reactio...
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WO/2013/004781A1 |
Slurry polymerization process for the preparation of a polypropylene (PP) having a decaline soluble fraction (DS) of equal or below 2.5 wt.-%, wherein (a) a Ziegler-Natta catalyst (ZN), (b) propylene and optionally ethylene and/or an C4 ...
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WO/2013/004334A1 |
The present invention relates to the use of a combination of additives comprising at least two of the following compounds: an antioxidant (A) according to formula (I): wherein R1, R2, R3, R4 and R5 independently are H, or non- substitute...
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WO/2013/005463A1 |
An olefinic polymer obtained using a catalyst for olefin polymerization that is formed from a solid catalyst component for olefin polymerization comprising titanium, magnesium, a halogen, and an ester compound (A) represented by formula ...
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WO/2013/006353A1 |
Methods and systems for reducing fouling, including particuiate-induced fouling, in a hydrocarbon refining process including the steps of providing a crude hydrocarbon for a refining process and adding an antifouling agent containing a p...
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WO/2013/005735A1 |
The purpose of the present invention is to produce an α-olefin polymer having excellent production stability utilizing a long-lasting high catalytic activity. Provided is a method for producing an α-olefin polymer using a catalyst comp...
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WO/2013/004507A1 |
Films or sheets of polypropylene, particularly biaxially oriented polypropylene (BOPP) films, exhibiting excellent physical and mechanical properties combined with good processing characteristics can be prepared from propylene polymers p...
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WO/2013/005513A1 |
Provided are a solid catalyst component for olefin polymerization and a catalyst making it possible to obtain propylene polymers at high yield rates while maintaining high stereoregularity, wherein said catalyst has high catalyst activit...
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WO/2013/006276A1 |
The invention provides a process to form an ethylene-based polymer, said process comprising polymerizing ethylene in the presence of at least one free-radical agent, and in the presence of a "metal alkyl-containing compound" selected fro...
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WO/2013/000045A1 |
Super-hydrophobic particles of less than 1000 μηι comprising at least an outer layer at least 90% by weight of Polypropylene, wherein said outer layer, has : - a root mean square surface roughness comprised between 0.1μm and 50μm, a...
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WO/2013/003062A1 |
The present invention relates to an improvement for gas-phase olefin polymerization process having relatively high polymer bed bulk density. The improvement involves the use of mixed external electron donors when polymerizing propylene i...
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WO/2013/003133A1 |
The present embodiments provide a system and method for separation within a polymer production process. Specifically, a flashline heater configured according to present embodiments may provide more time than is required for complete vapo...
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WO/2013/002136A1 |
A propylene-based polymer composition comprising: specific amounts of a propylene-based polymer (A) containing 90-100 mol% of constituent units derived from propylene, the syndiotactic pentad fraction (rrrr fraction) thereof being at lea...
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WO/2012/175425A1 |
Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) In which R1 to R4 groups, equal to or different from each other, are hydrogen, C1-C15 hydrocarbon groups, ...
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WO/2012/177299A1 |
The present disclosure provides a process for producing low density polyethylene with a dissipation factor less than or equal to 1.48 x 10-4 radian at 2.47 GHz. The process includes free radical high pressure polymerization of ethylene a...
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WO/2012/174691A1 |
An ethylene polymerization catalyst, preparation therefor and application thereof. A compound of General Formula (I) Mg（OR1）nCl2－n and a compound of General Formula (II) Ti（OR2）nCl4-n are reacted to form a transparent solution;...
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WO/2012/175469A1 |
Process for discharging polyolefin particles from a gas-phase polymerization reactor of a pressure from 1.0 MPa to 10 MPa to a discharge vessel of a pressure from 0.1 MPa to 1.0 MPa wherein the discharging is carried out discontinuously ...
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WO/2012/175632A1 |
A slurry process for the polymerisation of ethylene is disclosed, which takes place in a reactor system comprising one or more reactors in series, having a characteristic such that the average polymerisation productivity [kgPE/kgcata] pe...
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WO/2012/168140A1 |
A pre-polymerized catalyst component for the polymerization of olefins CH2=CHR, wherein R is hydrogen or a C1-C12 hydrocarbon group, characterized by comprising a non-stereospecific solid catalyst component, comprising Ti, Mg and a halog...
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WO/2012/169811A2 |
The present invention relates to a new transition metal compound based on cyclopenta[b]fluorenyl group, a transition metal catalyst composition containing the same and having high catalytic activity for preparing an ethylene homopolymer ...
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WO/2012/170411A2 |
In one preferred embodiment, the present invention provides a process for the liquid phase polymerization of isobutylene to manufacture highly reactive PIB oligomers having Mn under 1000, using a catalyst composition comprising a Friedel...
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