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WO/2024/026175A1 |
Propylene-ethylene copolymers are provided that exhibit superior tensile strength and mechanical properties due to their specific propylene and ethylene content, triad tacticity, viscosity, and crystallinity. Moreover, we have discovered...
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WO/2024/025608A1 |
This invention relates to nickel catalysts with alkali ions for homopolymerization and copolymerization.
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WO/2024/025605A1 |
This invention relates to nickel catalysts with alkali ions for homopolymerization and copolymerization.
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WO/2024/013126A1 |
A process for the preparation of a monophasic propylene-ethylene random copolymer composition (R-PP) having an MFR2 of 0.01 to 1.00 g/10 min, in at least two polymerization reactors using a particular single site catalyst.
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WO/2024/013128A1 |
A monophasic propylene-ethylene random copolymer composition (R-PP), having an MFR2 of 0.01 to 1.00 g/10 min, a C2 content of 1.5 to 7.5 mol-%, a Tm of 120 to 150 °C, a content of 2,1-regiodefects, of 0.05 to 1.20 mol-%; and Mw/Mn of 2....
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WO/2024/009959A1 |
Provided is a crosslinking agent that exhibits a high crosslinking reaction rate and is used for a chlorinated butyl rubber having excellent rubber elasticity. When a primary aminotriazine dithiol represented by formula (1) is used as a ...
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WO/2024/010203A1 |
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 suppor...
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WO/2024/000090A1 |
A post-reactor blend of linear low-density polyethylene copolymers ( "LLDPE blend" ) comprising a linear low-density ethylene/1-butene copolymer made by copolymerizing ethylene and 1-butene using a spray-dried, ethanol-modified Ziegler-N...
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WO/2024/003206A1 |
Metallocene-catalysed multimodal medium density polyethylene (mMDPE), use of the multimodal medium density polyethylene (mMDPE) in film applications and film comprising the mMDPE of the invention.
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WO/2024/004884A1 |
A method for producing a varnish-like cyclic olefin copolymer composition containing a cyclic olefin copolymer (m) and an organic solvent, wherein the method for producing a varnish-like cyclic olefin copolymer composition is characteriz...
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WO/2024/004882A1 |
A method for producing a cyclic olefin copolymer, wherein the method for producing a cyclic olefin copolymer is characterized in that the cyclic olefin copolymer contains (A) one or more repeating units derived from an olefin, (B) one or...
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WO/2024/003279A1 |
Glass fiber reinforced polypropylene based composition including propylene-1- butene random copolymer or ethylene-propylene random copolymer, high pressure polyethylene acrylate copolymer and short glass fibers.
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WO/2023/247478A1 |
The present invention relates to a specific metallocene-catalysed multimodal medium density polyethylene (mMDPE), use of the multimodal medium density polyethylene (mMDPE) in film applications and a film comprising the mMDPE of the inven...
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WO/2023/247405A1 |
The invention relates to a rubber composition having improved tear strength. This composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, the symbol R representing a ...
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WO/2023/247401A1 |
The invention relates to a rubber composition having improved tear strength. This composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, the symbol R representing a ...
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WO/2023/247406A1 |
The invention relates to a rubber composition exhibiting improved tear strength. This composition is based on 20 to 50 phr of copolymer containing ethylene units and 1,3-diene units, the ethylene units in the copolymer representing betwe...
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WO/2023/250271A1 |
Methods for preparing metallocene-based catalyst compositions include the steps of contacting an alcohol compound and an organoaluminum compound for a first period of time to form a precontacted mixture, and contacting the precontacted m...
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WO/2023/247200A1 |
The invention relates to block polymers and to engine lubricant compositions containing the block polymers and a mineral base oil. The block polymers contain a first block and a second block, the first block being a copolymer of 1,3-buta...
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WO/2023/247201A1 |
The invention relates to block polymers containing a first statistical block comprising units of a 1,3-diene and more than 50 mol% of ethylene units, and a second polyvinylpyridine block, as well as to a method for the synthesis thereof ...
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WO/2023/247403A1 |
The invention relates to a rubber composition having improved tear strength. Said composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, where R represents a hydroca...
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WO/2023/247399A1 |
The invention relates to a rubber composition having improved tear strength. This composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, the symbol R representing a ...
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WO/2023/247404A1 |
The invention relates to a rubber composition having improved tear strength. Said composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, where R represents a hydroca...
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WO/2023/244901A1 |
Ethylene-based polymers, articles made therefrom, and processes for making same. The ethylene-based polymer can include polymer units derived from ethylene and polymer units derived from one or more C3 to C18 α-olefin monomers. The ethy...
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WO/2023/240332A1 |
A process for producing an unsaturated isoolefin copolymer involves: sonicating a solution of an initiator system in an organic solvent, the initiator system comprising a Lewis acid catalyst, a proton source and a tertiary ether, to prod...
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WO/2023/242001A1 |
The present invention relates to a rubber composition based on at least one elastomer matrix comprising mainly a highly saturated diene elastomer, a reinforcing filler, a vulcanisation system and a plasticising system including a hydroca...
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WO/2023/244899A1 |
A polyethylene copolymer may comprise about 90 wt% to about 99.99 wt% ethylene and about 0.01 wt% to about 10 wt% an alpha-olefin that is not ethylene, wherein the polyethylene has: a density of about 0.930 g/cm3 to about 0.955 g/cm3, a ...
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WO/2023/242000A1 |
The present invention relates to a rubber composition based on at least one elastomer matrix comprising mainly a highly saturated diene elastomer, a reinforcing filler, a vulcanisation system and a plasticising system including a hydroca...
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WO/2023/242233A1 |
The invention relates to a textile fabric having a carrier layer and to its production and use, the carrier layer comprising polyethylene and/or polyester fibres. A surface coating is applied to at least one of the surfaces of the carrie...
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WO/2023/237381A1 |
The invention relates to a method for preparing a polyethylene having a terminal ketone function or a copolymer of ethylene and a 1,3-diene and optionally a vinyl aromatic compound which contains more than 50 mol% of ethylene and has a t...
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WO/2023/239994A1 |
A method of producing a sulfur copolymer may include introducing at least elemental sulfur into a screw extruder; mixing the elemental sulfur and a reactive monomer in a mixing zone in the screw extmder; and reacting the elemental sulfur...
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WO/2023/237380A1 |
The invention relates to coupled polyethylenes and coupled copolymers of ethylene and a 1,3-diene and optionally a vinyl aromatic compound which contain more than 50 mol% of ethylene, as well as to a process for the preparation thereof, ...
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WO/2023/235176A1 |
The present disclosure provides a process. In an embodiment, the process includes first melt blending, at a temperature from 80°C to 200°C, a first composition. The first composition is composed of (i) an ethylene-SiH polymer, (ii) a c...
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WO/2023/234980A1 |
The present disclosure provides a process. In an embodiment, the process includes melt blending, in the presence of a platinum-group metal catalyst, (i) an olefin-SiH polymer with (ii) a monovinyl graft component having the Structure (1)...
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WO/2023/229155A1 |
Disclosed is a polyethylene resin composition for a biaxially oriented film that can be molded with a biaxial stretcher, exhibits excellent stretching properties, is capable of biaxial stretching over a wider temperature range, and has e...
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WO/2023/229262A1 |
The present disclosure relates to a method for preparing a Ziegler-Natta catalyst for polymerization of linear low-density polyethylene (LLDPE), and specifically, the method for preparing a Ziegler-Natta catalyst for polymerization of li...
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WO/2023/227969A1 |
The present invention provides a polymer blend, which comprises a low- density polyethylene and an ethylene copolymer composition and which is suitable for use in a film layer. The invention also relates to film layers and to multilayer ...
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WO/2023/222698A1 |
The present invention relates to rubber compositions exhibiting improved rolling resistance and improved grip on wet ground. These compositions are based on at least one elastomer matrix comprising at least one copolymer containing ethyl...
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WO/2023/225216A1 |
Described herein are palladium-based polymerization catalysts having a diimine ligand and a fluorinated ester chelate. Also described herein are polymers formed using palladium-based polymerization catalysts, where the polymers have a te...
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WO/2023/222697A1 |
The present invention relates to rubber compositions which have improved rolling resistance and improved grip on wet ground. These compositions are based on at least one elastomer matrix comprising at least one copolymer containing ethyl...
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WO/2023/225346A1 |
Polypropylene polymer compositions with high transparency in combination with excellent impact resistance strength, and optionally excellent stiffness properties are provided, together with the methods of making such compositions. Such p...
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WO/2023/225428A1 |
Provided are polyethylene copolymers with an improved balance of melt strength and processability and methods for making such polyethylene copolymers. In some embodiments, the polyethylene copolymers include from 9 to 11 weight percent o...
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WO/2023/223909A1 |
The polyolefin copolymer has a main chain containing a monomer unit A derived from a C2-8 olefin monomer and a monomer unit B having a glycidyl group. The main chain may also contain a monomer unit C derived from a (meth)acrylic acid est...
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WO/2023/217859A1 |
A continuous process for preparing a multimodal polyolefin composition comprising one or more antioxidants, the process comprising preparing a multimodal polyolefin in form of a polyolefin powder having a mass-median-diameter D50 of the ...
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WO/2023/217642A1 |
The invention relates to a process for the preparation of a polypropylene composition comprising a heterophasic propylene copolymer wherein the heterophasic propylene copolymer consists of: a propylene homopolymer matrix in an amount fro...
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WO/2023/217944A1 |
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 from 7...
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WO/2023/217750A1 |
Metallocene-catalysed multimodal medium density polyethylene (mMDPE), use of the multimodal medium density polyethylene (mMDPE) in film applications and film comprising the mMDPE of the invention.
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WO/2023/217397A1 |
Process of producing a polymer comprising (i) feeding a monomer stream containing the monomers for producing the polymer into a polymerization unit comprising at least one reaction vessel where at least one reaction mixture comprising a ...
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WO/2023/216022A1 |
A biaxially-oriented polyethylene film comprising 25 to 60 wt. % of an ethylene-alpha-olefin copolymer including an ethylene monomer and a 1-octene or 1-hexene comonomer along with an amount of copolymer eluting in an elution profile via...
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WO/2023/217946A1 |
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 from 7...
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WO/2023/218696A1 |
The present invention provides a rubber component having excellent degradation resistance properties. This copolymer is characterized by comprising: an ethylene unit; an α-olefin unit having 6 or more carbon atoms; a nonconjugated diene...
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