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WO/2023/199834A1 |
The present invention provides a polyolefin having a number-average molecular weight of 250-10,000 and obtained from a linear olefin monomer having 8-20 carbon atoms, wherein the proportion (%) of side chains with up to n-3 carbon atoms,...
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WO/2023/198616A1 |
The present invention concerns a process for manufacturing polyisobutene succinic anhydrides from certain polyisobutene mixtures.
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WO/2023/198589A1 |
The present invention concerns a process for manufacturing polyisobutene succinic anhydrides from certain polyisobutene mixtures.
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WO/2023/201037A2 |
The invention provides methods of inducing crystallization in crystallizable polymers, and articles made therefrom. In one aspect, the method comprises bringing a preform to a first temperature to form a melted polymer preform and pressu...
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WO/2023/191080A1 |
This polyethylene powder has a viscosity-average molecular weight of 100,000 to 4,000,000, and is configured such that the crystal thickness parameter obtained from measurement using a differential scanning calorimeter (DSC) is 5°C to 9...
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WO/2023/190470A1 |
Provided is a propylene polymer material that can be advantageously used in molding processes where a low viscosity and a high flowability are required, that has a small molecular weight distribution, and that has a near-white color that...
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WO/2023/190212A1 |
According to the present invention, an olefin polymer having a specific molecular weight is produced by polymerizing an olefin having 2 to 4 carbon atoms with use of an olefin polymerization catalyst that contains a transition metal comp...
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WO/2023/190543A1 |
An ethylene-based polymer composition according to the present invention contains 100 parts by mass of an ethylene-based polymer component (A), which has a limiting viscosity [η] measured in a decalin solvent at 135°C of 1.5-10 dl/g, a...
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WO/2023/187552A1 |
Organometallic complexes are described which are useful as pre -polymerization catalysts which may form part of olefin polymerization catalyst systems. The catalyst systems find use in the polymerization of ethylene, optionally with one ...
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WO/2023/190929A1 |
An active energy ray curable polyolefin resin (A) according to the present invention exhibits high detachment strength, water resistance, and adhesion force with respect to a polyolefin base material, and is characterized by having a car...
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WO/2023/182216A1 |
Provided is a branched propylene-based polymer which retains a melt tension necessary for molding and has excellent spreadability during melting. The branched propylene-based polymer comprises propylene and 0-11 mol% ethylene and α-olef...
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WO/2023/182466A1 |
A method for purifying an olefin gas in which an olefin gas including an organoaluminum component is brought into contact with water in a scrubber to remove the organoaluminum component, wherein the surface of a peripheral portion of a g...
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WO/2023/178116A1 |
Olefin catalyst systems comprising silica supports are provided. For example, in one embodiment, the olefin polymerization catalyst system comprises a silica support, a catalyst precursor compound, and an activator. The silica support co...
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WO/2023/176470A1 |
Provided are a composition that exhibits excellent storage stability and that can be used to form a film with excellent light resistance and heat resistance, a film, an optical filter, a solid-state imaging element, an image display devi...
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WO/2023/171435A1 |
Provided is a catalyst for olefin polymerization which contains a solid catalyst component for olefin polymerization including an internal electron-donating compound that is not a phthalic acid ester and with which nevertheless a propyle...
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WO/2023/171433A1 |
Provided is a solid catalyst ingredient for olefin polymerization which contains an internal electron-donating compound that is not a phthalic acid ester and with which it is possible to easily produce an olefin polymer having excellent ...
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WO/2023/169566A1 |
Disclosed are organic-inorganic composite catalyst particles for a photocatalytic polymerization reaction, and an application thereof. The organic-inorganic composite catalyst of the present invention comprises an organic part and an ino...
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WO/2023/163962A1 |
A multilayer film and a pouch made therefrom is disclosed. The film having an ethylene-vinyl alcohol copolymer-based barrier layer and an outer layer made from at least 95 wt% of a branched ethylene copolymer. The branched ethylene copol...
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WO/2023/159034A1 |
Multi-reactor systems for the production of low-density polyethylene (LDPE) polymers and copolymers, wherein a first reactor product stream has a total mass flow of from about 10% to about 80% of the total mass flow of the second reactor...
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WO/2023/152258A1 |
The present invention concerns mixtures of polyisobutenes, preferably low or medium molecular polyisobutene, more preferably medium molecular polyisobutene with a number-average molecular weight Mn of more than 10000 and up to 100000 g/m...
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WO/2023/152124A1 |
Disclosed is an olefin metathesis polymerization catalyst system. The catalyst system comprises a metalate as pre-catalyst and an aluminum complex as co-catalyst, wherein the aluminum complex is an alkoxyalkylaluminum halide complex [(OR...
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WO/2023/152033A1 |
The present invention concerns mixtures of medium molecular polyisobutene with a number- average molecular weight Mn of more than 10000 and up to 100000 g/mol with a certain distribution of isomers exhibiting a certain reactivity in ther...
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WO/2023/150437A1 |
Polymerization processes and reactor systems for producing multimodal ethylene polymers are disclosed in which at least one loop reactor and at least one fluidized bed reactor are utilized. Configurations include a loop reactor in series...
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WO/2023/145153A1 |
A solid catalyst component for olefin polymerization, characterized by comprising magnesium, titanium, a halogen, a carbonate compound (A) represented by general formula (1): R1-O-C(=O)-O-Z-O-R2, and an ether compound (B) having two or m...
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WO/2023/145924A1 |
One embodiment of the present invention provides ethylene polymer particles which have a specific surface area of more than 2.00 m2/g but not more than 30.0 m2/g as determined by a BET method from the adsorption/desorption isotherm obtai...
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WO/2023/139993A1 |
The present invention provides a propylene-based polymer composition that is useful in production of a biaxially stretched film that has excellent dimensional stability at high temperatures. The propylene-based polymer composition compri...
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WO/2023/128775A1 |
A catalyst for ethylene dimerization is provided. The catalyst includes a metal-organic framework; a phosphinamine ligand; and a salt.
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WO/2023/126100A1 |
The present invention relates to a multimodal polyethylene composition, a sheet and a hollow article comprising the same, a method for preparing the sheet or the hollow article, and the use of the sheet or the hollow article.
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WO/2023/124895A1 |
The present invention provides an olefin polymerization catalyst, a catalyst composition, a preparation method therefor and the use thereof. The preparation method for the olefin polymerization catalyst comprises the following steps: (1)...
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WO/2023/120703A1 |
Provided is an ocular instillation member including at least one component selected from an ocular instillation container main body and an ocular instillation nozzle, in which the ocular instillation container main body has a bottom part...
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WO/2023/114662A1 |
A method of operating a polyethylene reactor system includes feeding ethylene, an optional first comonomer, a diluent, and a chromium-based catalyst to a first polymerization reactor. The method further includes contacting ethylene and t...
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WO/2023/114773A1 |
Sulfated bentonite compositions are characterized by a total pore volume from 0.4 to 1 mL/g, a total BET surface area from 200 to 400 m2/g, and an average pore diameter from 55 to 100 Angstroms. The sulfated bentonite compositions also c...
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WO/2023/104650A1 |
The present invention relates to a method for adjusting the average particle size of a spherical catalyst support comprising a magnesium dihalide-ethanol adduct and a method to produce a polymerization catalyst by use of the spherical ca...
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WO/2023/108069A1 |
α-Olefin maleic acid copolymers and α-olefin-co-maleimide copolymers have the CH2-CH of the α-olefin in the backbone of the copolymer with the maleic acid or maleimide and the remainder thereof extending from the backbone. The α-olef...
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WO/2023/107403A1 |
The present invention relates to the polymerisation of one or more monomers in a gas phase reactor, and in particular provides a process for from the polymerisation of one or more monomers in a horizontal stirred bed gas phase reactor, w...
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WO/2023/099441A1 |
A process for providing an intermediate polyolefin polymer sample from a first polyolefin polymerization reactor coupled in series with a second polyolefin polymerization reactor and being connected by a connecting conduit.
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WO/2023/100693A1 |
Provided are a catalyst and a method that enable the production of an olefin-based polymer, which has a polar group and is usable for various applications, at high catalytic activity. A metal complex shown in general formula (C1) (in the...
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WO/2023/101004A1 |
The present invention addresses the problem of providing a novel olefin resin useful as a compatibilizer for a polypropylene resin and a polyethylene resin, a method for manufacturing the olefin resin, and an application for the olefin r...
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WO/2023/097161A1 |
The present disclosure relates to plants and processes for forming polymers. In some embodiments, a process of forming a polymer includes supplying a. feed having one or more olefin monomers and a solvent. The process includes introducin...
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WO/2023/090718A1 |
In the preparation of polypropylene for a dry separator of a secondary battery, disclosed is a method for preparing polypropylene for a separator of a secondary battery, having improved flowability of resin while maximizing mechanical an...
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WO/2023/090201A1 |
The purpose of the present invention is to obtain a non-stretched film having improved rigidity. The present invention relates to a non-stretched film comprising a propylene polymer composition that contains: 1-40 mass% of a propylene po...
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WO/2023/087561A1 |
The present invention relates to an integrated VOC removal tower for polypropylene particles. A feeding port and a discharging port are respectively formed at the top of the tower and the bottom of the tower; a middle section of the towe...
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WO/2023/085817A1 |
The present invention relates to a metallocene compound for the polymerization of an ultra-high molecular weight polyolefin having a molecular weight of at least 1,000,000 g/mol, and a method for preparing an ultra-high molecular weight ...
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WO/2023/081010A1 |
In some embodiments, a lubricating oil includes at least 50 wt% of a base oil, based on total weight of the lubricating oil. The lubricating oil includes at least 0.1 wt% of a polypropylene homopolymer having a racemic dyad content of ab...
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WO/2023/079785A1 |
The present invention addresses the problem of providing: a propylene-based polymer composition from which it is possible to obtain a biaxially oriented film having a relatively high heat resistance; a method for producing said propylene...
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WO/2023/076810A1 |
A system including a hydrocarbon recovery system integrated with a fluff transfer system, the hydrocarbon recovery system comprising a purge column, a separator, a purge gas-hydrocarbon recovery unit, and a waste gas outlet line, and the...
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WO/2023/076238A1 |
High density polyethylene polymers, including high molecular weight and ultrahigh molecular weight polyethylene polymers, are disclosed that are at least partially made from bio-based feedstocks. The bio-based feedstocks are selected so ...
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WO/2023/072179A1 |
The present invention provides an olefin polymerization catalyst component, a catalyst system, a prepolymerization catalyst composition and an olefin polymerization method, which belong to the field of olefin polymerization catalysts. Th...
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WO/2023/075115A1 |
The present invention provides a polyethylene resin composition and a film comprising same, the polyethylene resin composition enhancing transparency and moisture-blocking properties without degradation of film properties.
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WO/2023/067466A1 |
The present disclosure relates to a process for manufacturing polyethylene. In the process, the purified liquid medium obtained from the wax-distilling process is further fed to a distillation column to obtain wet hexane comprising hexan...
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