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WO/2023/217945A1 |
The invention relates to a polypropylene composition comprising a heterophasic propylene copolymer wherein the heterophasic propylene copolymer consists of: • a propylene homopolymer matrix in an amount from 71 to 92 wt%, preferably fr...
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WO/2023/215341A1 |
Polymers having an acrylic-olefin backbone prepared from a monomer composition comprising at least one C1-30 (meth)acrylic compound and at least on alpha-olefin having a chain length of at least 20 carbon atoms (a "C20+ α-olefin"). The ...
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WO/2023/215694A1 |
The present disclosure relates to bis(aryl phenolate) Lewis base transition metal complexes, catalyst systems including bis(aryl phenolate) Lewis base transition metal complexes, and polymerization processes to produce polyolefin polymer...
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WO/2023/208984A1 |
The present invention relates to a process for producing a random copolymer of propylene, optionally ethylene, and at least one comonomer selected from alpha olefins having from 4 to 12 carbon atoms using a specific class of hafnocene co...
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WO/2023/204618A1 |
The present disclosure relates to a method for preparing a Ziegler-Natta catalyst for polymerization of a low-density copolymer, and in particular, to a method for preparing a Ziegler-Natta catalyst including preparing a magnesium chlori...
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WO/2023/205575A1 |
Methods for operating a polymerization reactor system are described, and these methods include the steps of contacting a transition metal-based catalyst system with an olefin monomer and an optional olefin comonomer in the polymerization...
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WO/2023/203041A1 |
The present invention relates to a polymer composition comprising (a) 80 to 99 wt.-% based on the total weight of the polymer composition of a specific metallocene-catalysed multimodal polyethylene copolymer (MMCP) and (b) 1 to 20 wt.-% ...
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WO/2023/198649A1 |
Catalyst system for polymerisation of ethylene comprising a porous support material, wherein the support material comprises, preferably on its surface and in its pores: (i) a quantity of a compound (a) of formula (I) wherein: Z is a moie...
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WO/2023/198643A1 |
A polyolefin composition comprising: A) from 74 wt% to 89 wt% of a copolymer of propylene with ethylene wherein: i) the content of ethylene is comprised between 3.3 wt% and 6.0 wt%; ii) the melting temperature,, ranges from 132° C to 14...
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WO/2023/198642A1 |
A polyolefin composition comprising: A) from 70 wt% to 90 wt%;of a copolymer of propylene with ethylene wherein: the content of ethylene derived units, measured by NMR, is comprised between 3.3 wt% and 6.0 wt%; B) from 10 wt% to 30 wt%; ...
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WO/2023/198600A1 |
The invention provides a metallocene-catalysed multimodal ethylene-1- butene random copolymer, having a density in the range of from 910 to 930 kg/m3, an MFR2 determined according to ISO 1133 at 190°C and 2.16 kg in the range of from 0....
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WO/2022/183008A9 |
Catalyst systems include a metal-ligand complex according to formula (I).
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WO/2023/189629A1 |
A method for producing a fluorine-containing copolymer, the method comprising performing suspension polymerization by using monomers including ethylene and tetrafluoroethylene in a polymerization medium containing water and a polymerizat...
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WO/2023/191519A1 |
The present invention relates to: a transition metal compound for an olefin polymerization catalyst, the transition metal compound having a cyclopentadienyl group and a cyclopentadienyl group having a silane substituent introduced therei...
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WO/2023/192846A1 |
This disclosure relates to polyethylene polymers, polymerization processes for making such polyethylene polymers, and films made therefrom. In some embodiments, a polyethylene copolymer includes ethylene units; and 1 wt% to 8 wt% of Cs-C...
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WO/2023/190912A1 |
A polar-group-containing olefin copolymer containing a structural unit (A) derived from at least one C3-20 olefin monomer, and a structural unit (B) derived from at least one polar-group-containing monomer represented by general formula ...
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WO/2023/190817A1 |
Provided below is an ethylene-vinyl alcohol copolymer composition in which thermal degradation during melt forming is suppressed. Provided is a modified ethylene-vinyl alcohol copolymer composition containing: a modified ethylene-vinyl...
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WO/2023/180300A1 |
Living hinge consisting of a polypropylene composition comprising as main component a propylene copolymer having comonomer content in the range of 2.0 to 6.5 mol-% and an alpha-nucleating agent.
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WO/2023/180223A1 |
The invention relates to a fiber reinforced composition (C), wherein the fiber reinforced composition (C) has a melt flow rate MFR2 (230 °C, 2.16 kg) determined according to ISO 1133 in the range of 10.0 to 100.0 g/10 min, wherein the f...
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WO/2023/180272A1 |
The present invention relates to polypropylene compositions having a melt flow rate MFR2 of 75 to 250 g/10min suitable especially for injection moulding applications comprising a heterophasic propylene copolymer and a particulate inorgan...
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WO/2023/182473A1 |
[Problem] The purpose of the present invention is to obtain an ethylene/α-olefin/non-conjugated polyene copolymer which can be applied to LIM molding or other wide range of molding methods, and is suitable for achievement of a molded bo...
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WO/2023/183019A1 |
A family of propylene-ethylene copolymers have been discovered can be readily utilized in high heat resistance applications and form adhesives with improved mechanical strength and heat resistance. More particularly, the propylene-ethyle...
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WO/2023/177956A1 |
The present disclosure related to metal-containing compounds that, in some embodiments, are alkane-soluble non-metallocene iron compounds having a multidentate ligand chelated to iron, where the multidentate ligand contains at least one ...
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WO/2023/175054A1 |
44 Abstract A composition comprising a multimodal high density polyethylene (HDPE) and a mixed- plastic-polyethylene recycling blend, use of the composition in film applications and film comprising the polymer composition of the invention.
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WO/2023/177957A1 |
The present disclosure related to metal-containing compounds that, in some embodiments, are compounds represented by Formula (I). M is Fe or Co. Each of R8, R9, R10, R13, R14, and R15 is independently C1-C40 hydrocarbyl, -OR16, -NR172, h...
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WO/2023/172009A1 |
The present invention provides an ethylene/1-hexene copolymer that has excellent long-term stability and processability as well as pipe pressure-resistant characteristics, and thus is useful for manufacturing high pressure-resistant heat...
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WO/2023/171221A1 |
The present invention provides a cyclic olefin copolymer which comprises a constituent unit (A) that is derived from an olefin monomer represented by formula (1) and a constituent unit (B) that is derived from at least one cyclic olefin ...
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WO/2023/156103A1 |
A polypropylene composition comprising: A) from91 wt. % to 97.0 wt. %, of a copolymer of propylene containing from 0.8 wt. % to 4.8 wt. % of 1-hexene derived units; B) from 3 wt. % to 9 wt. % of a terpolymer of propylene ethylene and 1-h...
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WO/2023/152375A1 |
The present invention relates to a polypropylene compound (C), which is obtained by at least once compounding a first polypropylene composition (A) comprising a first polypropylene based resin (A1) and a first inorganic filler (A2) and a...
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WO/2023/154769A1 |
Provided are bimodal medium density polyethylene compositions, and microirrigation drip tapes including the same. The bimodal medium density polyethylene compositions can be extruded at high lines speed while maintaining other desirable ...
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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/2023/149461A1 |
This cyclic olefin-based copolymer contains: (A) structural units (A) derived from one or more olefins represented by general formula (I); (B) structural units (B) derived from one or more cyclic non-conjugated dienes represented by gene...
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WO/2023/150480A1 |
The 5-OMe-6-tBu substitution of the indeny 1 fragment of C1 symmetric catalysts is critical for improvements in EP molecular weight capability. The catalysts described in this document are also capable of producing other ordinary polyole...
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WO/2023/149505A1 |
To provide: a cyclic olefin copolymer, being a copolymer of a cyclic olefin monomer and α-olefin having a carbon number of 3 to 20, with outstanding tensile strength and fracture strain; and a method for manufacturing the cyclic olefin ...
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WO/2023/149506A1 |
To provide: a cyclic olefin copolymer that is a copolymer of a cyclic olefin monomer and an α-olefin having 3-20 carbon atoms, the copolymer having excellent tensile strength and breaking strain; and a production method of a cyclic olef...
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WO/2023/147078A1 |
A process comprising polymerizing a feed stream to form a poly (alpha olefin) stream with a free radical initiator having an initiator loading at a temperature of 40 to 250 °C, and a pressure of 14.7 to 500 psig, wherein the feed stream...
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WO/2023/147465A1 |
Embodiments of the present disclosure are directed to methods for producing ethylene acid copolymer comprising: polymerizing via free-radical polymerization at a pressure of at least 1000 atmospheres (atm) an ethylene monomer and unsatur...
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WO/2023/139458A1 |
The present disclosure provides a method to improve the optical properties of an ethylene copolymer composition which is made in a multi reactor solution phase polymerization process. A single site catalyst is employed in a first polymer...
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WO/2023/141495A1 |
A profile or article formed from a moisture- and/or thermo-curable elastomeric polymer composition including: (A) at least one ethylene-olefinic monomer-silane polymer; wherein the at least one ethylene-olefinic monomer-silane polymer ha...
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WO/2023/139201A1 |
The present disclosure relates to a biaxially-oriented polyethylene film remarkable in that it comprises a polyethylene resin having a melt index MI2 ranging from 0.5 to 3.0 g/10 min, a density of at least 0.950 g/cm3; an Mw/Mn of at lea...
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WO/2023/141494A1 |
A profile or article formed from a moisture- and/or thermo-curable elastomeric polymer composition including: (A) at least one ethylene-olefinic monomer-silane polymer; wherein the polymer has an olefinic monomer content of from 5 weight...
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WO/2023/137454A1 |
A method for making high-PV titanium-modified Cr/Silica (Cr/Ti/Silica) catalyst precursor, with PV > 1.5 ml/g, comprising: providing a silica support, typically based on a desired porosity, purity, particle size and size distribution; pr...
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WO/2023/136287A1 |
The present invention provides a copolymer composition which is characterized by containing: a copolymer (S) which comprises a constituent unit derived from ethylene (A), a constituent unit derived from an α-olefin (B) having 3 to 20 ca...
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WO/2023/136953A1 |
Ethylene-based polymers having a density from 0.94 to 0.96 g/cm3, a Mn from 5,000 to 14,000 g/mol, a ratio of Mw/Mn from 18 to 40, and at least one of a PENT value at 2.4 MPa of at least 11,500 hr and/or a W90 from 7.5 to 15 wt. % are di...
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WO/2023/130719A1 |
The present invention provides a method for preparing an EVA copolymer with a high ethylene content by means of medium-low pressure solution polymerization, which belongs to the technical field of organic high-molecular compounds. The me...
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WO/2023/132306A1 |
[Problem] To provide: a cast polypropylene film that has an excellent balance of stiffness and low-temperature heat sealability; or a cast polypropylene film that has excellent stiffness and can be heat-sealed at a low temperature. [Solu...
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WO/2023/130029A1 |
Embodiments of this disclosure includes processes of polymerizing a multi-modal polyethylene polymer. The process includes contacting ethylene and optionally one or more α-olefin monomers with at least two catalyst systems in a solution...
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WO/2023/130032A1 |
Embodiments of processes of making a multimodal ethylene-based copolymer may include contacting, in a solution polymerization reactor system at a reactor temperature of greater than or equal to 150 °C, at least two olefinic monomers in ...
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WO/2023/124965A1 |
The present application provides a catalyst for copolymerization of ethylene and methyl methacrylate, and an application of the catalyst. The catalyst comprises a main catalyst, and the main catalyst is obtained by compounding a compound...
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WO/2023/127700A1 |
A vinyl alcohol copolymer according to the present invention includes a vinyl alcohol constituent unit and a C3-C30 olefin constituent unit vinyl alcohol. This copolymer satisfies at least one among the conditions in which: the differenc...
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