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Matches 201 - 250 out of 12,612

Document Document Title
WO/2023/057054A1
A polypropylene composition comprising: A) from 71 wt% to 91 wt% of a propylene homopolymer B) from 5 wt% to 15 wt%, of a copolymer of propylene and ethylene containing from 18 wt% to 32.0 wt%, of ethylene derived units; C) from 4 wt% to...  
WO/2023/057822A1
A method for producing polyethylene. The method includes producing a Ziegler-Natta catalyst, activating the Ziegler-Natta catalyst, forming a cocatalyst solution, and forming a polymer reaction mixture. Producing the Ziegler-Natta cataly...  
WO/2023/057479A1
The present invention relates to a composition comprising a metallocene catalysed multimodal copolymer (P) of ethylene and a LDPE recyclate, to the use of the composition in film applications and to a film comprising the polymer composit...  
WO/2023/057482A1
The present invention relates to a composition comprising a metallocene catalysed multimodal copolymer (P) of ethylene and a LDPE recyclate, to the use of the composition in film applications and to a film comprising the polymer composit...  
WO/2023/055205A1
The present invention relates to a multiblock copolymer and a preparation method therefor, the multiblock copolymer being capable of providing a resin composition having excellent compatibility and high impact strength due to a nearly sy...  
WO/2023/055204A1
The present disclosure relates to a multi-block copolymer and a preparation method therefor, wherein the copolymer bears a polystyrene-based block and a polyolefin-based block and has a high molecular weight and a low content of homo-pol...  
WO/2023/055206A1
The present invention relates to a multi-block copolymer having a structure in which polystyrene chains are attached to both ends of a polyolefin chain, a resin composition comprising same, and a method for preparing same.  
WO/2023/051580A1
The present invention relates to the field of ethylene copolymers. Disclosed are an ethylene-copolymerized olefin copolymer having a high comonomer dispersion index, a preparation method therefor, an application thereof, and a compositio...  
WO/2023/055208A1
The present invention relates to a multi-block copolymer, a method for preparing same, and a thermoplastic resin composition comprising polypropylene and the multi-block copolymer. The block copolymer has excellent processability and exc...  
WO/2023/044645A1
An ethylene-butene LLDPE copolymer that has a mixture of properties useful for films has the following characteristics: (a) The density of the LLDPE copolymer is from 0.910 g/mL to 0.930 g/mL; and (b) The melt index (I2) of the LLDPE cop...  
WO/2023/048600A1
The invention relates to a method for producing hydrocarbons from polymer waste, which includes: a) heating pre-ground polymer waste in the presence of a mixture of liquid hydrocarbons to a temperature sufficient for the dissolution of a...  
WO/2023/048170A1
The present invention relates to a thermosetting resin composition containing a multifunctional phenolic compound (A) obtained using oxidative polymerization to copolymerize a phenolic compound (a1) having an unsaturated aliphatic hydroc...  
WO/2023/046645A2
A polymer composition comprising at least one EPDM polymer, wherein the at least one EPDM has an ENB content per polymer chain (EPC) of from 80 to 150 determined according to equation (I): EPC = ([ENB] x 10 x Polymer Mn) / 120 g/mol (I) ...  
WO/2023/046754A1
The invention provides a biaxially oriented film comprising a multimodal high density polyethylene (HDPE), wherein the multimodal HDPE has a density determined according to ISO 1183 in the range of 952 to 968 kg/m³ and an MFR2 of 0.3 to...  
WO/2023/046573A1
Process for the production of a polypropylene random copolymer (PP), the process comprising the steps of polymerising in a first reactor (R1) propylene and a comonomer (C1a) selected from a C4 to C8 α-olefin in the presence of a first m...  
WO/2023/046824A1
A monophasic bimodal propylene/ethylene/1-butene random terpolymer composition (PP) comprising: a) 40 to 90 wt.-% of a first random terpolymer fraction (PP1), having a C2 content in the range from 0.3 to 3.0 mol-%, and a C4 content in th...  
WO/2023/046571A1
A propylene-butene random copolymer composition comprising 98 to 99.99 wt% of a propylene-butene random copolymer based on the total weight of the propylene-butene random copolymer composition, and 0.01 to 1 wt% based on the total weight...  
WO/2023/049485A1
The present disclosure provides a composition. In an embodiment, the composition includes (A) a nonfunctionalized propylene-based polymer, (B) a functionalized propylene-based polymer, and (C) a functionalized ethylene-based polymer. The...  
WO/2023/044092A1
A process of making a catalytically-active prepolymer composition in a slurry-phase prepolymerization reaction, the catalytically-active prepolymer composition made thereby, and a process of making a polyolefin polymer using the catalyti...  
WO/2023/039515A2
Embodiments are directed to catalyst systems comprising a metal−ligand complex procatalyst, and an activator, wherein the activator comprises an anion and a cation, the anion having a structure according to formula (I).  
WO/2023/038351A1
The present invention relates to a method for preparing an olefin-based polymer and an olefin-based polymer prepared using same. In a method for preparing an olefin-based polymer according to an embodiment of the present invention, the p...  
WO/2023/037168A1
A polyethylene-based composition may include an ethylene-based copolymer produced from ethylene and one or more C3-C10 alpha olefin comonomers, wherein the ethylene-based copolymer has: a density ranging from 945 kg/m3 to 961 kg/m3 accor...  
WO/2023/033030A1
Provided is a polar-group-containing olefin copolymer characterized by comprising: a structural unit (A) which is derived from at least one monomer selected from the group consisting of ethylene and olefins having 3 to 20 carbon atoms; a...  
WO/2023/034334A1
An isolated solid catalyst component for olefin polymerization. The catalyst component comprises a halide-containing magnesium compound, a titanium halide compound, a supportive donor comprising a benzoate, an internal electron donor, an...  
WO/2023/034889A1
Mixed metallocene catalyst systems may comprise an activator, a first metallocene having a structure represented by Formula 1, and a second metallocene different from the first metallocene. Formula (I). M is a Group 4 metal, T is a bridg...  
WO/2023/031675A1
A polymeric composition may include a thermoplastic polymer including: at least one monomer selected from the group consisting of vinyl esters, C2-C12 olefins, and combinations thereof; and a dynamic crosslinking group; and a crosslinkin...  
WO/2023/025474A1
Process for the production of a supported metallocene catalyst system involving the steps of: (i) preparing a mixture (a) by subjecting a quantity of a metallocene compound of together with a quantity of a cocatalyst as solution in a hyd...  
WO/2023/025622A1
A propylene ethylene copolymer having: i) xylene soluble fraction at 25°C ranging from 30 wt% to 48 wt%; ii) intrinsic viscosity of the fraction soluble in xylene at 25°C ranging from 2.8 to 4.3 dl/g; iii) melt flow rate, MFR, measured...  
WO/2023/000099A9
A rubber compound includes: a branched poly(isobutylene-co-isoprene) polymer (branched butyl rubber) having a polyfarnesene with 5 or more farnesene units; and, a filler. The compound has one or more of higher mixer torque, better filler...  
WO/2023/025396A1
The invention relates to methods for preparing vinyl ester-ethylene copolymers by means of radically initiated polymerisation of vinyl esters, ethylene, and optionally further ethylenically unsaturated monomers in aqueous medium at a pre...  
WO/2023/020885A1
A process for the separation of at least one polyolefin from a product stream from a solution polymerization process, wherein the product stream comprises the at least one polyolefin and a mixture of volatiles, the process comprising the...  
WO/2023/023455A1
This disclosure provides new methods for the design and development of ethylene polymerization catalysts, including Group 4 metallocene catalysts such as zirconocenes, which are based on an improved ability to adjust co-monomer incorpora...  
WO/2023/018671A1
A process for increasing a settled bulk density of a granular polyolefin polymer includes feeding a catalyst stream into a gas phase polymerization reactor, the catalyst stream comprising catalyst particles, optionally in slurry form by ...  
WO/2023/016561A1
The present invention provides a catalyst system for cationic polymerization of C4 liquefied petroleum gas and a polybutene production method. Specifically, the catalyst system consists of the following components: an aluminum-containing...  
WO/2023/012254A1
The present invention relates to a metallocene-catalysed multimodal polyethylene copolymer (P), to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.  
WO/2023/012257A1
The present invention relates to a metallocene-catalysed multimodal polyethylene copolymer (P), to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.  
WO/2023/012253A1
The present invention relates to a composition comprising a specific metallocene-catalysed multimodal polyethylene copolymer (P) and a polyethylene wax, to the use of the composition in film applications and to a film comprising the comp...  
WO/2023/012256A1
The present invention relates to a metallocene-catalysed multimodal polyethylene copolymer (P), to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.  
WO/2023/012125A1
A film oriented in at least the machine direction is described which comprises a polyethylene composition having the following properties: a density of 955 - 965 kg/m3; a melt index MI2 of 0.1 - 2 g/lOmin; a G'(G"=3000) of 500-1700 Pa; a...  
WO/2023/000097A1
A process for producing a branched poly(isobutylene-co-paramethylstyrene) polymer involves polymerizing isobutylene with p-methylstyrene in presence of a branching agent, the branching agent being a polyfarnesene having 5 or more farnese...  
WO/2023/001541A1
A polyethylene composition particularly suited for producing blow-molded hollow articles, having the following features: 1) density from 0.957 to 0.968 g/cm3; 2) ratio MIF/MIP from 12 to 30; 3) MIF from 41 to 60 g/10 min.; 4) long-chain ...  
WO/2023/000096A1
A process for producing a branched poly(isobutylene-co-isoprene) polymer involves polymerizing isobutylene with isoprene in presence of a branching agent, the branching agent being a polyfarnesene having 5 or more farnesene units. The re...  
WO/2023/000095A1
A process for producing a branched polyisobutylene polymer involves polymerizing isobutylene in the presence of a branching agent, the branching agent being a polyfarnesene having 5 or more farnesene units. The resulting branched polymer...  
WO/2023/000098A1
Branched polyisoolefin polymers, especially polyisobutylene polymers are prepared by using polyfamesenes having 5 or more famesene units as branching agents. A rubber compound comprising said branched polyisoolefin polymer and a filler a...  
WO/2023/000101A1
A rubber compound includes: a branched poly(isobutylene-co-paramethylstyrene) polymer having a polyfarnesene with or more farnesene units; and, a filler. The compound has lower Mooney viscosity, as well as higher tan delta values across ...  
WO/2023/004039A1
The invention relates to a sinterable polymer composition, comprising: a random copolymer of propylene and an olefinic comonomer, containing about 2 to 10 wt% olefinic comonomer content, relative to 100 wt% of the random copolymer. The s...  
WO/2023/285880A1
A process for preliminary polymerization may include washing a catalyst mud comprising a supported metallocene catalyst with at least one saturated hydrocarbon at a temperature from 0 °C to 40 °C, a pressure from 20 to 40 kgf/cm2, and ...  
WO/2023/286487A1
Provided are: a heat-fusible laminated film which has high interlaminar adhesion strength and which, when heat-fused, brings about a satisfactory bonded state; and a roll obtained by winding the heat-fusible laminated film. The heat-fu...  
WO/2023/280800A1
Multilayer films comprising at least one layer (A), being a sealing layer (SL), and one layer (B), with beneficial heat sealing and hot tack properties. In particular, the invention relates to a multilayer packaging film comprising a sea...  
WO/2023/279215A1
The invention relates to the use of a polymer mixture for production of a transparent or translucent push-through cover film for a blister pack, in which the polymer mixture A) comprises a first component K1 which contains a cycloolefini...  

Matches 201 - 250 out of 12,612