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WO/2022/075669A1 |
The present invention relates to a novel metallocene compound, a catalyst composition comprising the metallocene compound, and a method for preparing an olefin polymer using the catalyst composition.
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WO/2022/075578A1 |
The present invention relates to a method for preparing a vinyl cyanide compound-conjugated diene rubber-aromatic vinyl compound graft copolymer, a method for preparing a thermoplastic resin composition comprising same, and a thermoplast...
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WO/2022/070758A1 |
This transparent article is formed by molding a cyclic olefin copolymer or a resin composition containing the same, wherein the cyclic olefin copolymer is obtained through a process including: a step for charging a polymerization contain...
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WO/2022/070958A1 |
A method for producing a cycloolefin copolymer is provided by which the cycloolefin copolymer can be efficiently produced by copolymerizing monomers comprising a norbornene monomer and ethylene while inhibiting the formation of polyethyl...
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WO/2022/069412A1 |
The present inventions concerns a copolymer of ethylene and an C3 to C8 alpha-olefin, wherein the copolymer has a density of 870 to 890 kg/m3 measured according to ISO 1183, a MFR2 of 0.5 to 8.0 g/10min measured according to ISO 1133, wh...
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WO/2022/072223A1 |
A bimodal poly(ethylene-co-1-hexene) copolymer composition, methods of making and using, and manufactured articles made therefrom and uses thereof.
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WO/2022/069411A1 |
Ethylene-1-octene copolymer characterized by a density in the range of 850 kg/m3 to 930 kg/m3 measured according to ISO 1183-187, a melt flow rate MFR2 (190°C, 2.16 kg) in the range of from 0.3 g/10 min to 100 g/10 min measured accordin...
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WO/2022/071115A1 |
The present invention addresses the problem of providing a method in which it is possible to comfortably suppress a runaway reaction when a heat removal function is lost or depleted during continuous polymerization of a styrene-acrylonit...
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WO/2022/069410A1 |
The present inventions concerns a copolymer of ethylene and an C3 to C8 alpha-olefin, wherein the copolymer has a density of 890 to 915 kg/m3 measured according to ISO 1183 and a MFR2 of 0.5 to 8.0 g/10min measured according to ISO 1133,...
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WO/2022/070110A1 |
A thermoformable film comprises a polyethylene composition. The polyethylene composition comprises a first polyethylene which is an ethylene copolymer having a weight average molecular weight of from 70,000 to 250,000 and a molecular wei...
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WO/2022/071116A1 |
A purpose of the present invention is to provide a thioxanthone compound having excellent reactivity to long-wavelength light. The present invention relates to a photopolymerization initiator comprising the thioxanthone compound, a curab...
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WO/2022/072180A1 |
The present disclosure relates to bis(heterocyclic-olate) Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copol...
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WO/2022/071735A1 |
The present invention provides a polyethylene composition and a method for preparing same, the polyethylene composition being capable of forming a molded article that can ensure excellent environmental stress cracking resistance, and imp...
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WO/2022/070959A1 |
Provided is a cyclic olefin copolymer production method that enables efficient production of a cyclic olefin copolymer through copolymerization of a monomer including ethylene and a norbornene monomer, while suppressing generation of pol...
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WO/2022/071738A1 |
The present invention relates to polyethylene and a method for preparing same. More specifically, the present invention relates to polyethylene and a method for preparing same, wherein the polyethylene has a low melt index, a narrow mole...
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WO/2022/065902A1 |
The present invention relates to a conjugated diene-based polymer having high processability and excellent compounding properties, a method for producing same, and a rubber composition comprising same, and provides a neodymium-catalyzed ...
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WO/2022/062944A1 |
Provided is ultra-high-molecular-weight polyethylene particles. The particle size of the particles is less than that of a conventional commercially available ultra-high-molecular-weight polyethylene, and the density of the particles is s...
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WO/2022/066550A1 |
A bimodal copolymer comprises on average at least 90 weight-percent units derived from ethylene and at least 0.05 weight percent units derived from an α-olefin comonomer having from 4 to 10 carbon atoms, wherein the copolymer has the pr...
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WO/2022/065885A1 |
The present invention provides: a method for producing a polyolefin elastomer copolymer, the method comprising the steps of (a) introducing ethylene gas, a Ziegler-Natta-type Ti-supported catalyst, and one type of liquid olefin monomer s...
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WO/2022/059764A1 |
Provided are ion-exchangeable layered silicate salt particles which have a catalytic activity and each of which has a novel fine porous structure that enables the improvement in the quality of a polymer. The ion-exchangeable layered si...
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WO/2022/059765A1 |
Provided is a method for producing ion-exchangeable layered silicate salt particles each of which has a large specific surface area and can be increased in the ratio of large meso-pores having sizes of larger than 10 nm and not larger th...
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WO/2022/059990A1 |
The present invention relates to a catalyst composition comprising: an imidazolium ion-based catalyst; and an aluminum-based co-catalyst, and to a method for preparing an isobutene-isoprene copolymer by using same.
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WO/2022/055234A1 |
The present invention provides a powder-type polypropylene resin and a method for preparing same, the powder-type polypropylene resin having improved flowability at a hopper and improved feeding stability in an extruder feeding zone, by ...
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WO/2022/053475A1 |
Process for the production of a polypropylene based article having improved surface tension retention, and polypropylene based article having improved surface tension.
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WO/2022/054547A1 |
This method for producing an iodine-containing compound comprises a process wherein a halogen-containing organic iodide compound and a compound having a reactive carbon-carbon double bond are caused to react with each other in the presen...
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WO/2022/051376A1 |
The disclosure relates to hydrogen mediated anionically polymerized conjugated diene compositions, including homopolymers and copolymers of isoprene and/or butadiene, and processes and compositions for preparing them.
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WO/2022/049467A1 |
The present disclosure relates to a process for preparation of disentangled ultra-high molecular weight isotactic polypropylene. The disentangled ultra-high molecular weight isotactic polypropylene of the present disclosure has a low ent...
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WO/2022/048630A1 |
Disclosed are a catalyst spherical carrier for olefin polymerization, a preparation method therefor and an application thereof, a catalyst and an application thereof, the carrier comprising at least one magnesium-containing compound havi...
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WO/2022/043385A1 |
The present invention relates to a film, preferably an unoriented film, comprising a polypropylene composition comprising a random copolymer of propylene monomer units and ethylene comonomer units, wherein the random copolymer has a cont...
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WO/2022/043842A1 |
A four component additive package that contains a first phosphite, a second phosphite, a primary antioxidant and an optical brightener is used in combination with a polyethylene that is polymerized with a mixed catalyst system that conta...
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WO/2022/045175A1 |
A purpose of the present invention is to provide a compound useful as a co-catalyst to be used in polymerization reactions of olefins, dienes, and acetylenes. According to the present invention, a fluorine-containing alkyl ammonium borat...
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WO/2022/045282A1 |
A polymerization catalyst composition which contains a rare earth carboxylate, a phosphoric acid ester represented by general formula (1) and water. (In the formula, each R independently represents an alkyl group having from 5 to 20 carb...
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WO/2022/044998A1 |
A curable resin composition including a polyimide precursor having a total content of a cyclic imide structure and a cyclic isoimide structure of 0.28-1.68 mmol/g and an acid value of 5.6-22.5 mgKOH/g; a cured object obtained by curing t...
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WO/2022/043785A1 |
This disclosure relates to ethylene interpolymer products comprising a Melt Flow-Intrinsic Viscosity Index value, MFIVI, of from ≥ 0.05 to ≤ 0.80; a first derivative of a melt flow distribution function, formula (I) of form ≥ -1.85...
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WO/2022/045770A1 |
The present invention relates to a method for preparing a polyolefin-polystyrene-based multiblock copolymer having a uniform structure and exhibiting excellent physical properties through continuous coordination polymerization and batch ...
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WO/2022/045232A1 |
A solid titanium catalyst component (I) according to the present invention is characterized by containing titanium, magnesium, halogen, and a cyclic polyvalent ester group-containing compound (a) given by formula (1).
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WO/2022/044999A1 |
Provided are: a curable resin composition comprising a polyimide precursor which has a group including an ethylenically unsaturated bond, or a polarity conversion group, has a total content of a cyclic imide structure and a cyclic isoimi...
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WO/2022/039425A1 |
The present invention provides: a pellet-type polyethylene resin composition that can simultaneously improve pipe pressure resistance, dimensional stability, and processability; and a method for preparing same.
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WO/2022/039418A1 |
The present invention relates to: a catalyst which is for polymerizing olefins and contains a hybrid transition metal compound, and from which various polyolefins having excellent processability and mechanical properties can be produced;...
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WO/2022/035484A1 |
In some embodiments, a process includes introducing a catalyst solution, via a first line, into a reactor. The catalyst solution includes a catalyst and a first non- aromatic diluent. The process includes introducing an activator solutio...
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WO/2022/036044A1 |
The invention relates to compositions comprising at least one cyclic olefin monomer, optionally at least one linear olefin monomer, at least one thermoplastic hydrocarbon resin, and at least one olefin metathesis catalyst. The invention ...
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WO/2022/035585A1 |
This invention relates to a process to produce cyclic olefin containing polymer compositions using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate don...
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WO/2022/035132A1 |
The present invention relates to a method for preparing a supported metallocene catalyst, a supported metallocene catalyst, and a method for preparing polyolefin by using same. According to the present invention, provided are: a method f...
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WO/2022/030768A1 |
The present invention relates to a hybrid supported metallocene catalyst and a method for preparing polypropylene using same, the catalyst having high activity for propylene polymerization, introducing a long chain branch into a polyprop...
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WO/2022/031654A1 |
A hydrosilation curable composition comprising a hydridosilyl compound, a mono-vinyl compound having a molecular weight above 100, preferably above 200, a di-vinyl compound, a hydrosilation catalyst, and a thermally conductive filler is ...
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WO/2022/029213A1 |
The present invention relates to a process for the preparation of long chain branched ethylene polymers via the polymerization, preferably slurry polymerisation, of ethylene in the presence of a catalyst system comprising a bridged metal...
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WO/2022/029249A1 |
The present application relates to a novel polymerizable foam composition, particularly for use in a 2K aerosol can system, comprising a reactive precursor mixture containing a passivated organoborane radical initiator, in particular an ...
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WO/2021/259337A9 |
Provided in the present invention are extra-high to ultra-high molecular weight polyethylene particles and a catalyst for preparing same. Specifically, provided in the present invention is particles having the following characteristics: ...
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WO/2022/028951A1 |
The present invention relates to a novel process for preparing high-reactivity isobutene homo-or copolymers.
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WO/2022/030769A1 |
The present invention relates to a transition metal compound, a method for preparing same, and a catalyst composition comprising same, wherein the transition metal compound shows high activity and high copolymerizability in olefin polyme...
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