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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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WO/2021/070036A1 |
Rotomolded articles, especially flexible rotomolded articles are made from an ethylene interpolymer product having a melt index, I2 of from 2.5 to 8.0 g/10min, a density of from 0.905 to 0.920 g/cm3; and a Dilution Index, Yd, greater tha...
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WO/2021/071165A1 |
An aqueous dispersion composition according to embodiments of the present invention comprises: an ethylene-carboxylic acid copolymer; an anti-blocking agent containing a polymer wax which is contained in an amount of 5 weight% or more on...
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WO/2021/071154A1 |
The present invention provides: polyethylene exhibiting an improved low temperature sealing property through an increase in the amount and molecular weight of a low crystalline polymer; and a preparation method therefor.
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WO/2021/066579A1 |
The present invention provides a hybrid supported metallocene catalyst and a process for preparing a polyethylene copolymer using same, the hybrid supported metallocene catalyst being useful for preparing a polyethylene copolymer enablin...
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WO/2021/067148A1 |
Disclosed are metallocene compounds, catalyst compositions comprising at least one metallocene compound, processes for polymerizing olefins, methods for making catalyst compositions, olefin polymers and articles made from olefin polymers...
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WO/2021/064081A1 |
The present invention relates to use of optionally monosubstituted 2,2- di(tetrahydrofuryl)methanes, as internal donors in Ziegler-Natta catalysts to obtain polymers with desirable properties. The present disclosure further concerns Zieg...
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WO/2021/066488A1 |
The present invention relates to a polypropylene-based composite material comprising: (A) polypropylene; and (B) an olefin-based polymer satisfying the requirements of: (1) a melt index (MI, 190°C and 2.16 kg load conditions) of 0.1-10....
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WO/2021/064474A1 |
A polymer composition may include a polymer produced from ethylene, one or more branched vinyl ester monomers, and optionally, vinyl acetate; wherein the polymer has a number average molecular weight ranging from 5 to 10,000 kDa, and a m...
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WO/2021/064546A1 |
The copolymerization of ethylene with an optional comonomer is conducted in the presence of a catalyst having a specific aryloxy ether ligand structure. The process enables very high conversions of ethylene to polyethylene at very short ...
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WO/2021/064545A1 |
The copolymerization of ethylene with an optional comonomer is conducted in the presence of a catalyst having a specific aryloxy ether ligand structure. The process enables very high conversions of ethylene to polyethylene at very short ...
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WO/2021/064078A1 |
The present invention relates to optionally substituted 1,3-dimethoxypropanes and 3- methoxypropylamines, and more particularly to their use as internal donors in Ziegler-Natta catalysts to obtain polymers with desirable properties. The ...
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WO/2021/064080A1 |
The present invention relates to substituted 2-isopropyl-1,3-dialkoxypropanes, and more particularly to their use as internal donors in Ziegler-Natta catalysts to obtain ethylene (co)polymers with desirable properties The present disclos...
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WO/2021/067184A1 |
Processes of polymerizing olefins include contacting ethylene, a (C3-C40)alpha-olefin comonomer, and a solvent in the presence of a chain transfer agent and a catalyst system, the catalyst system comprising a metal-ligand complex accordi...
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WO/2021/066437A1 |
The present invention provides an ethylene/1-hexene copolymer having excellent long-term properties and processability so as to be useful in the manufacture of a high-pressure-resistant heating pipe, a PE-RT pipe, a large-diameter pipe, ...
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WO/2021/064473A1 |
A polymer composition may include a polymer produced from ethylene, and one or more vinyl carbonyl monomers having the general structure (I), where R1, R2 and R3 are independently selected from a group consisting of hydrogen, halogen, hy...
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WO/2021/066491A1 |
The present invention relates to a polypropylene-based composite material comprising: (A) polypropylene; and (B) an olefin-based polymer satisfying the requirements of: (1) a melt index (MI, 190°C and 2.16 kg load conditions) of 0.1-10....
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WO/2021/066486A1 |
The present invention relates to an olefin-based polymer satisfying the requirements of: (1) a melt index (MI, 190°C and 2.16 kg load conditions) of 0.1-10.0 g/10 min; (2) a density (d) of 0.860-0.880 g/cc; and (3) T(90)-T(50)≤50 and ...
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WO/2021/064083A1 |
The present invention relates to tetrahydrofurfuryl derivatives and more particularly to their use as internal electron donors in Ziegler-Natta catalysts to obtain polymers with desirable properties. The present disclosure further concer...
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WO/2021/065669A1 |
Provided is an acrylic rubber, which comprises acrylic acid alkyl ester units, crosslinking-point monomer units, bifunctional monomer units represented by formula (A-1), and ethylene units. The acrylic rubber has a toluene-insoluble cont...
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WO/2021/066490A1 |
The present invention relates to an olefin-based polymer meeting the requirements that (1) the melt index (MI, a condition of 190°C and a load of 2.16 kg) is 0.1-10.0 g/10 min, (2) the melting temperature in differential scanning calori...
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WO/2021/058742A1 |
A heterophasic polypropylene copolymer having an MFR2 of 0.05 to 20 g/10min (ISO 1133 at 230°C with a loading of 2.16 kg) and a melting point (Tm) of 156 to 164°C (measured by DSC according to ISO 11357) wherein the heterophasic polypr...
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WO/2021/058740A1 |
A metallocene complex of formula (I): each X is a sigma-ligand; in the group R2Si- at least one R is methyl or ethyl, and the other R is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl or isobutyl, pentyl, hexyl, cyclohexyl and...
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WO/2021/060917A1 |
The present invention relates to: an ethylene/α-olefin copolymer having a reduced stress relaxation time while simultaneously having a high weight average molecular weight and a narrow molecular weight distribution, thereby exhibiting e...
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WO/2021/061577A1 |
A composition comprising a first composition and a second composition, and wherein the first composition comprises a first ethylene/alpha-olefin/nonconjugated polyene interpolymer and a second ethylene/alpha-olefin/nonconjugated polyene ...
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WO/2021/056858A1 |
Disclosed are a propylene copolymer, a preparation method therefor, and an application thereof. The copolymer forms a cross-linked network by means of a reaction between a furan-containing propylene copolymer and a small molecule of a co...
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WO/2021/061580A1 |
The invention provides a composition comprising an interpolymer composition, and wherein the interpolymer composition comprises a first ethylene/alpha-olefin/nonconjugated polyene interpolymer; and a second ethylene/alpha-olefin/nonconju...
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WO/2021/053295A1 |
The invention relates to an ethylene copolymer and a 1,3-diene copolymer of formula CH2=CR-CH=CH2, said copolymer having an amine function, and the symbol R representing a hydrocarbon chain having 3 to 20 carbon atoms. Such a copolymer i...
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WO/2021/053296A1 |
The invention relates to a rubber composition containing a reinforcing filler, a crosslinking system and more than 50 to 100 phr of an elastomer that is an ethylene copolymer and of a 1,3-diene CH2=CR-CH=CH2, the symbol R representing a ...
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WO/2020/157171A9 |
New bimodal propylene terpolymer, which combines low sealing initiation temperature (SIT), high melting temperature, good processability and good optical properties, like low haze, its use and articles made therefrom.
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WO/2021/053396A1 |
Method for the preparation of a composition enriched in 2-methyl-but-2-ene and use for making a polymer.
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WO/2021/052797A1 |
The present invention relates to compounds according to formula I wherein: • each R1-R10 may individually be H, a halogen, an alkoxy moiety, a siloxy moiety, a nitrogen-containing moiety, an alkyl moiety, an aryl moiety, or an aralkyl ...
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