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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/2022/035585A1 |
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/2022/029213A1 |
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/2022/028785A1 |
Disclosed is a polyolefin composition comprising: (A) 10-40% by weight of a copolymer of propylene with hexene-1 comprising 1.0-6.0% by weight, based on the weight of (A), of units deriving from hexene-1 and having melt flow rate (MFRA) ...
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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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WO/2022/031397A1 |
In various embodiments, a bimodal polyethylene may include a high molecular weight component and a low molecular weight component. The bimodal polyethylene may have a density of from 0.933 grams per centimeter (g/cm3) to 0.960 g/cm3, a m...
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WO/2022/029212A1 |
The present invention relates to a process for the preparation of long chain branched propylene polymers via a polymerization of propylene, preferably under slurry or bulk conditions, in the presence of a catalyst system comprising a sup...
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WO/2022/029156A1 |
Polypropylene sheet, especially suitable for thermoforming, showing an advantageous combination of optical properties and mechanical properties.
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WO/2022/031398A1 |
In various embodiments, a thermoplastic composition may comprise from 0.5 wt.% to 75.0 wt.% of recycled polyethylene comprising a blend of polyethylene recovered from post-consumer material, pre-consumer material, or combinations thereof...
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WO/2022/027007A1 |
The present disclosure provides a process. In an embodiment, the process includes providing a multifunctional branching agent (MFBA). The MFBA has A) three or more carbon- carbon double bonds with the provisos (1) that the MFBA is not a ...
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WO/2022/025701A1 |
The present invention relates to a chain transfer agent containing an organozinc compound, a method for preparing same, and a method for preparing a block copolymer using same. A chain transfer agent is obtained by a preparation method c...
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WO/2022/024549A1 |
A method for producing a cycloolefin copolymer is provided in which monomers comprising a norbornene monomer and ethylene can be copolymerized while inhibiting the formation of impurities such as polyethylene and an excessive rise in mol...
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WO/2022/023636A1 |
With a view to lowering the cold filter plugging point measured in accordance with the standard NF EN 116 of a fuel composition, the present invention relates to the use of one or more copolymer(s) consisting of the following units: - 75...
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WO/2022/018293A1 |
A racemic metallocene complex of formula (I') wherein each X is a sigma donor ligand; L is a carbon, silicon or germanium based divalent bridge in which one or two backbone atoms link the ligands; M is Ti, Zr or Hf; each Het is independe...
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WO/2022/020187A1 |
An elastomeric composition suitable for use in layered articles like hoses and belts may include: 5 phr to 80 phr of a PEDM terpolymer comprising 55 wt% to 95 wt% propylene, 2.5 wt% to 40 wt% α-olefin, and 0.05 wt% to 25 wt% diene and h...
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WO/2022/018290A1 |
The invention provides a process for the preparation of a multimodal ethylene polymer in a multistage process in the presence of a catalyst comprising a complex of formula (lx) wherein each X is a sigma donor ligand; each Het is independ...
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WO/2022/018239A1 |
The present invention relates to a new multimodal ethylene copolymer (P), to the use of the copolymer in film applications and to a film comprising the copolymer of the invention.
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WO/2022/020025A1 |
In some embodiments, a polyethylene composition includes has 80 wt% to 99.9 wt% ethylene content and 20 wt% to 0.1 wt% a C3 to C40 α-olefm comonomer content, based on ethylene content plus comonomer content. The composition has a Mw/Mn ...
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WO/2022/015369A1 |
Processes of polymerizing olefin monomers. The process comprising reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: an activator; hydrocarbyl-modifie...
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WO/2022/016171A1 |
Polymerization processes for producing ethylene-based plastomers and elastomers having densities less than 0.91 g/cm3 utilize a metallocene-based catalyst system containing a chemically-treated solid oxide. These polymerization processes...
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WO/2022/015370A1 |
Processes of polymerizing olefin monomers. The process includes reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: modified-hydrocarbyl methylaluminox...
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WO/2022/014599A1 |
Provided are a varnish having a low viscosity and, obtained therefrom, a cured body that exhibits a high degree of crosslinking and is excellent in terms of low dielectric properties, high temperature mechanical properties and low coeffi...
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WO/2022/015547A1 |
Propylene and butene random copolymers are disclosed that have excellent stiffness properties and excellent transparency characteristics especially when combined with one or more nucleating agents. The propylene-butene copolymers can be ...
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WO/2022/015368A1 |
Processes of polymerizing olefin monomers. The process comprising reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: hydrocarbyl-modified methylalumin...
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WO/2022/013055A1 |
The present invention relates to an adhesive polyethylene composition comprising (A) from 60 to 90 wt% of a non-elastomeric polyethylene being a terpolymer of ethylene with two different alpha-olefin comonomer units selected from alpha-o...
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WO/2022/013711A1 |
A medium pressure solution phase polymerization process is provided in which the amount of long chain branching present in an ethylene/1-octene copolymer is controlled with a bridged hafnocene polymerization catalyst in the presence of d...
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WO/2022/013054A1 |
The present invention relates to an adhesive polyethylene composition comprising (A) from 60 to 90 wt% of a non-elastomeric polyethylene; (B) from 9.0 to 38 wt% of an ethylene based elastomer being a copolymer of ethylene and alpha-olefi...
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WO/2022/015564A1 |
Propylene and butene random copolymers are disclosed that have excellent stiffness properties, low xylene soluble content, and excellent transparency characteristics especially when combined with one or more nucleating agents. The propyl...
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WO/2022/015094A1 |
The present invention pertains to: a novel transition metal compound that exhibits excellent catalytic activity in polyethylene polymerization and is useful for the production of polyethylene having a high content of short-chain branches...
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WO/2022/015367A1 |
Processes of polymerizing olefin monomers. The process includes reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: hydrocarbyl-modified methylaluminox...
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WO/2022/015627A2 |
Polypropylenes and impact copolymers with low organic volatiles. The impact copolymers comprising a polypropylene and within a range from 5 wt% to 40 wt% of an ethylene -propylene copolymer or rubber, by weight of the impact copolymer; w...
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WO/2022/008434A1 |
Use of a compatibilizer (B) for upgrading a polypropylene-polyethylene blend (A) comprising (A-1 ) polypropylene and (A-2) polyethylene wherein the weight ratio of polypropylene (A-1 ) to polyethylene (A-2) is in the range from 19:1 to 1...
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WO/2022/001018A1 |
Provided are an anti-floating fiber agent and a preparation method therefor, the anti-floating fiber agent being PB-1-g-MAH. Also provided are an anti-floating fiber polypropylene reinforced composite material and a preparation method th...
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WO/2022/004529A1 |
The present invention addresses the problem of providing: a production method for a cyclic olefin copolymer with which it is possible to efficiently produce a cyclic olefin copolymer by copolymerizing monomers containing a norbornene mon...
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WO/2022/005257A1 |
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 1.0-10.0 g/10 min; (2) a density (d) of 0.875-0.895 g/cc; (3) 0.5 J/g≤dH(100)≤3.0 ...
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WO/2022/003499A2 |
An ethylene copolymer comprising ethylene and at least one alpha olefin having from 4 to 8 carbon atoms has a density of from 0.940 to 0.960 g/cm3, a molecular weight distribution, Mw/Mn of from 9 to 12, and a Z-average molecular weight,...
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WO/2021/262842A1 |
This invention relates to a copolymer comprising units derived from ethylene, an α-olefm, a non-conjugated diene, and an aryl-substituted cycloalkene composition and blends thereof. Processes to produce the copolymer and uses of the cop...
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WO/2021/262838A1 |
This invention relates to a copolymer comprising units derived from ethylene, an α-olefin, a non- conjugated diene, and a substituted styrene compound.
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WO/2021/254972A1 |
The present invention relates to a method for preparing a catalyst, and in particular provides a method for preparing a catalyst suitable for the polymerisation of ethylene and/or propylene, said catalyst comprising a compound of yttrium...
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WO/2021/257335A1 |
A combination comprises two propylene-based polymers which can provide flexibility in adjusting shrinkage rate of components comprising such combination.
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WO/2021/257264A1 |
This invention relates to a method comprising contacting C3-C32 alpha olefin with catalyst system comprising activator and catalyst of the formula wherein: M is Hf or Zr; T is a bridging group; each X is independently a leaving group; R1...
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WO/2021/253032A1 |
Ethylene-based polymers are characterized by a melt index less than 1 g/10 min, a density from 0.94 to 0.965 g/cm3, a Mw from 100,000 to 250,000 g/mol, a relaxation time from 0.5 to 3 sec, and an average number of long chain branches (LC...
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WO/2021/250054A1 |
It is provided a process for producing an ethylene copolymer comprising compressing ethylene monomer at a certain pressure; adding a fresh comonomer in liquid form and, optionallly, a fresh modifier in liquid form at a certain pressure t...
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WO/2021/247244A2 |
The present disclosure provides a catalyst system comprising the product of a catalyst compound capable of making crystalline material (such as isotactic PP) and a second catalyst compound capable of making non-diene-containing-amorphous...
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WO/2021/242678A1 |
In various embodiments, a bimodal polyethylene composition may have a density (ρ) from 0.952 g/cm3 to 0.957 g/cm3, a high load melt index (I21) from 1 to 10 dg/min, and a z-average molecular weight (Mz(GPC)) from 3,200,000 to 5,000,000 ...
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WO/2021/243158A1 |
Embodiments of the present disclosure directed towards converting a non-metallocene precatalyst into a productivity enhanced non-metallocene catalyst. As an example, the present disclosure provides a method of making an productivity enha...
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WO/2021/243222A1 |
Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (I):
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WO/2021/243211A1 |
Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (I): [Formula I].
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WO/2021/243213A1 |
Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (I): [Formula I]
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WO/2021/242795A1 |
A method of making an attenuated-light-off post-metallocene catalyst, the method comprising combining a faster-light-off catalyst with an effective amount of a kinetics modifier compound of formula (A1), (B1), or (C1): R5-C≡C-R6 (A1), ...
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