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WO/2021/118715A1 |
The present disclosure relates to processes for producing a catalyst composition. A process may include mixing a catalyst compound having a transition metal atom, an activator, and a support to form a supported catalyst mixture. A proces...
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WO/2021/118103A1 |
The present invention relates to a polyolefin. More particularly, the present invention relates to a polyolefin having a low copolymer content as well as exhibiting excellent mechanical properties.
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WO/2021/115829A1 |
A solid catalyst component for the (co)polymerization of olefins, comprising Ti, Mg, halogen, and at least one compound of formula (I) selected from specific non-aromatic diazo compounds is capable to produce LLDPE with good comonomer ra...
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WO/2021/119155A1 |
A biaxi ally-oriented film comprising a polyethylene having (A) a melt flow index of 1.0 g/10 min or more, (B) a density of 0.90 g/cm3 to less than 0.940 g/cm3, (C) a g'LCB of greater than 0.8, (D) ratio of comonomer content at Mz to com...
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WO/2021/119158A1 |
This invention relates to a biaxially-oriented polyethylene film comprising polyethylene having: (A) a melt index, I2, of 1.0 g/10 min or greater; (B) a density of 0.925 g/cm3 to 0.945 g/cm3; (C) a g'vis of less than 0.8; (D) an Mz of 1,...
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WO/2021/119152A1 |
This invention relates to an oriented polyethylene film comprising polyethylene having: (A) a melt flow index of 1.0 g/10 min or more, (B) a density of 0.90 g/cm3 to less than 0.940 g/cm3, (C) a g'LCB of greater than 0.8, (D) ratio of co...
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WO/2021/119510A1 |
The present disclosure provides compositions comprising propylene-based elastomer, articles thereof, and methods thereof. In at least one embodiment, a composition includes a propylene-based elastomer having an Mw of about 300,000 g/mol ...
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WO/2021/118145A1 |
The present invention relates to a method for preparing an olefin-based polymer by gas-phase polymerization. Specifically, the present invention relates to a method for preparing an olefin-based polymer by gas-phase polymerization of ole...
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WO/2021/109372A1 |
A defoaming composition comprising: A. a main monomer, which refers to a non-ionic monomer which only contains one vinyl group in one molecule and can form a polymer that is soluble in an organic solvent; O. a functional monomer olefin, ...
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WO/2021/111282A1 |
The present invention provides a transition metal compound, a catalyst composition comprising same, and a method for producing an olefin polymer using the catalyst composition. A transition metal compound having a specific functional gro...
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WO/2021/110645A1 |
A process for preparing ethylene polymers comprising polymerizing ethylene or copolymerizing ethylene and one or more comonomers at a temperature from 180°C to 350°C and a pressure of from 110 MPa to 350 MPa in a continuously operated ...
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WO/2021/112088A1 |
Provided is a composition for obtaining a cured article with high mechanical strength (elastic modulus etc.) at room and high temperatures. More specifically, provided is curable composition containing an additive resin and a copolymer o...
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WO/2021/112489A1 |
The present invention relates to a method for producing an olefin-based polymer. Particularly, the present invention relates to a method for producing an olefin-based polymer, the method controlling the properties of an olefin polymer th...
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WO/2021/108134A1 |
The present disclosure provides an ethylene-based polymer composition formed by high pressure (greater or equal to 100 MPa) free radical polymerization. The ethylene-based polymer composition includes ethylene monomer and a mixture of hy...
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WO/2021/108131A1 |
The present disclosure provides a composition. In an embodiment, the composition is an ethylene-based polymer composition formed by high pressure (greater or equal to 100 MPa) free radical polymerization. The composition includes ethylen...
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WO/2021/107723A1 |
The present invention relates to a polyolefin-based resin composition and a medical hose prepared therefrom, the polyolefin-based resin composition comprising: low-density polyethylene; polyolefin-based elastomer; and random polypropylen...
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WO/2021/106413A1 |
Provided is a rubber-metal complex in which a rubber member and a metal member are firmly attached to each other. In this rubber-metal complex, the rubber member and the metal member are attached to each other with an adhesive layer inte...
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WO/2021/107508A1 |
The present invention relates to an olefin-based polymer film and a manufacturing method therefor. An olefin-based polymer film according to a specific embodiment of the present invention, particularly, a linear low density polyethylene ...
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WO/2021/108132A1 |
The present disclosure provides a composition. In an embodiment, the composition is an ethylene-based polymer composition formed by high pressure (greater or equal to 100 MPa) free radical polymerization. The ethylene-based polymer compo...
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WO/2021/105299A1 |
The present invention provides a process for producing a polyethylene composition by treating a cross-linkable ethylene copolymer containing monomer units with hydrolysable silane-groups and polar monomer units. The invention further pro...
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WO/2021/101292A1 |
The present invention provides a supported hybrid metallocene catalyst that has high copolymerizability while exhibiting excellent process stability and high polymerization activity in an ethylene polymerization reaction, and thus is use...
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WO/2021/101153A1 |
The present invention relates to an olefinic polymer and a preparation method therefor. An olefinic polymer according to an embodiment of the present invention is prepared in the presence of a bridge-type transition metal compound of cyc...
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WO/2021/099106A1 |
There is described a process for the continuous solution polymerization comprising polymerizing olefins of formula CH2=CHR, wherein R is hydrogen or a hydrocarbon radical having from 1 to 8 carbon atoms, and wherein one of the olefins ha...
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WO/2021/096772A1 |
Polyethylene copolymers with a structure that provides improved film properties are provided. The copolymers can have a density of about 0.905 to about 0.911 g/cm3. The copolymers can also have a DRI/12 ratio of about 0.0008 to about 0.0...
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WO/2021/095683A1 |
The present invention addresses the problem of providing a resin composition and a molded article with suppressed surface stickiness while having excellent vibration absorbing ability and stress relaxing ability at room temperature. This...
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WO/2021/091768A1 |
In a process for producing an olefin polymer, an olefin monomer is polymerized to produce a particulate polymer product containing unreacted monomer. The polymer product is contacted with an inert gas to strip hydrocarbon impurities ther...
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WO/2021/091994A1 |
Embodiments provide bimodal polymerization catalyst systems comprising metallocene olefin polymerization catalysts and biphenylphenol polymerization catalysts made from biphenylphenol polymerization precatalysts of Formula I.
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WO/2021/091983A1 |
Embodiments are directed towards the use of a supported biphenylphenol polymerization catalyst made from a biphenylphenol polymerization precatalyst of Formula I via a gas-phase or slurry-phase polymerization process under gas-phase or s...
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WO/2021/091725A1 |
Methods and systems for generating a polymer resin comprising: contacting a first monomer with a polymerization catalyst having a first catalytic activity to form an intermediate composition comprising a first polymeric resin and the pol...
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WO/2021/088198A1 |
Provided is an electronic telecommunication article comprising a crosslinked fluoropolymer layer, wherein the fluoropolymer comprises at least 80, 85, or 90% by weight of polymerized units of perfluorinated monomers and cure sites. Furth...
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WO/2021/089663A1 |
The invention is directed to a sealing device comprising a first polymeric layer comprising and a second polymeric layer comprising at least 55 wt.-% of at least one butene-1 copolymer having a content of butene-1 derived units of at lea...
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WO/2021/091959A1 |
Embodiments of the present disclosure directed towards titanium biphenylphenol polymerization precatalysts of Formula (I).
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WO/2021/086682A1 |
Processes of polymerizing olefin monomers using catalyst systems and catalysts systems that include a procatalyst having a structure according to formula (I):
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WO/2021/085929A1 |
The present invention relates to an olefin-based polymer and a film prepared therefrom. According to an embodiment of the present invention, an olefin-based polymer, especially, a linear low-density polyethylene has a relatively wide dis...
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WO/2021/086552A1 |
A method for producing gradient copolymers can include polymerizing a reaction mixture comprising a monomer and a comonomer in the presence of a metallocene catalyst in a loop reactor, wherein in the loop reactor a gradient monomer weigh...
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WO/2021/083272A1 |
Disclosed are a flame-retardant antimicrobial agent, a preparation method therefor and the use thereof, and a flame-retardant antimicrobial thermoplastic resin composition. The flame-retardant antimicrobial agent is a polymer microsphere...
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WO/2021/083358A1 |
Disclosed are a method for preparing an olefin-olefinic alcohol copolymer and an olefin-vinyl alcohol copolymer prepared by the method. The catalyst used in the method for preparing the olefin-olefinic alcohol copolymer comprises a diimi...
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WO/2021/085225A1 |
The present invention addresses the problem of providing: a composition that can be used to produce a cross-linked foam body which is suitable for use in footwear components such as soles, and which has an excellent balance of characteri...
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WO/2021/086493A1 |
Processes and systems for preparing copolymers of ethylene and a polar comonomer include contacting an initial feed comprising ethylene and a polar comonomer with a first polymerization initiator in a continuous stirred tank reactor to f...
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WO/2021/083309A1 |
A metallocene compound having a structure shown by formula (I). A group connected to a bridging atom of the metallocene compound is an amine-substituted group and/or a metallocene-substituted group and/or a substituted metallocene group....
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WO/2021/083330A1 |
The present invention relates to an amino-imine metal complex represented by formula I and a preparation method and an application thereof. The complex is used as a main catalyst in catalysts for olefin polymerization, and can catalyze t...
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WO/2021/083207A1 |
Disclosed is a biphenol metal complex. The structure thereof is as represented by formula I, wherein R1 and R1' are each independently selected from hydrogen and a substituted or unsubstituted C1-C20 hydrocarbonyl; R3-R7 and R3'-R7' are ...
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WO/2021/086467A1 |
Activators may comprise compounds represented by the Formula [Ar(EHR1R2)(OR3)]d+[Mk+Qn]d, wherein: Ar is an aryl group; E is nitrogen or phosphorous; R1 is a C1-C30, optionally substituted, linear alkyl group; R2 is a C1-C30, optionally ...
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WO/2021/078861A1 |
The present invention relates to heterophasic polypropylene compositions comprising a propylene homo- or copolymer forming a crystalline fraction as a matrix and an amorphous propylene ethylene elastomer as a soluble fraction dispersed i...
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WO/2021/079886A1 |
A resin sheet which contains a resin that comprises from 2.0% by mole to 9.0% by mole of a carboxylic acid unit, from 1.0% by mole to 3.0% by mole of a neutralized carboxylic acid unit and an ethylene unit based on all monomer units cons...
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WO/2021/079199A1 |
A process of producing a composition comprising a copolymer of ethylene and one or more C4-C8 α-olefins, may include copolymerizing the ethylene and the one or more C4-C8 α-olefins in the presence of a procatalyst and an alkylaluminum ...
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WO/2021/078857A1 |
The present invention relates to a heterophasic polypropylene composition comprising two different heterophasic propylene copolymers. The heterophasic polypropylene composition has higher stiffness, than expected from the mere weighted a...
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WO/2021/074140A1 |
The present invention relates to a polyethylene composition comprising a polyethylene, preferably ≥ 95.0 wt% of polyethylene, and further (a) ≥ 100 and ≤ 500 ppm of a phenolic antioxidant; (b) ≥ 500 and ≤ 2500 ppm of an organic...
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WO/2021/075788A1 |
The present invention relates to a method for preparing an olefin polymerization hybrid catalyst, an olefin polymerization hybrid catalyst, and an olefin-based polymer. A supported hybrid metallocene catalyst for olefin polymerization, p...
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WO/2021/074696A2 |
A polymer may include a copolymer of ethylene and vinyl acetate, in which the ethylene is at least partially obtained from a renewable source of carbon, and wherein the copolymer has a melt index (190°C / 2.16 kg) ranging from 0.12 to 8...
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