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WO/2023/096308A1 |
The present invention provides a polyolefin copolymer having improved light transmittance and productivity, and a molded article prepared using same. More specifically, provided is a polyolefin copolymer comprising 60% to 95% by weight o...
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WO/2023/096341A1 |
The present invention provides an olefin-based copolymer having a controlled short chain branch amount, a preparation method therefor, and a resin composition and a molded product which comprise the olefin-based copolymer. The olefin-bas...
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WO/2023/096864A1 |
Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I).
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WO/2023/096865A1 |
Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I):
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WO/2023/096297A1 |
The present invention pertains to a polyolefin having excellent processability. A polyolefin prepared in the presence of a hybrid metallocene catalyst according to an embodiment of the present invention has a broad unimodal molecular wei...
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WO/2023/090718A1 |
In the preparation of polypropylene for a dry separator of a secondary battery, disclosed is a method for preparing polypropylene for a separator of a secondary battery, having improved flowability of resin while maximizing mechanical an...
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WO/2023/090824A1 |
The present invention relates to an (ultra)high molecular weight polyethylene-based block copolymer, a manufacturing method therefor, and a secondary battery separator fabricated using same as a raw material, wherein the block copolymer ...
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WO/2023/088855A1 |
The present invention relates to a process for solution copolymerization process to produce a functionalized polyolefin using a catalyst system comprising a bis-phenolate hafnium or zirconium complex and a co-catalyst selected from the g...
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WO/2023/090308A1 |
[Problem] To provide a resin composition that not only has excellent defoaming properties but also has excellent foam suppressing properties. [Solution] A resin composition containing a resin (X) (excluding a copolymer (Y) described late...
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WO/2023/088864A1 |
The invention relates to the preparation of a polymer in the presence of a dispersant mixture and to use thereof in the preparation of the polymer to produce ion exchangers therefrom.
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WO/2023/090823A1 |
The present invention relates to a method for manufacturing an ultra-high molecular weight polypropylene having a viscosity average molecular weight of 1,000,000 g/mol or greater and a low inorganic content of 30 ppm or less. According t...
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WO/2023/085817A1 |
The present invention relates to a metallocene compound for the polymerization of an ultra-high molecular weight polyolefin having a molecular weight of at least 1,000,000 g/mol, and a method for preparing an ultra-high molecular weight ...
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WO/2023/085309A1 |
According to the present invention, a modified conjugated diene polymer is produced by a method which comprises a step for polymerizing a monomer that contains a conjugated diene compound in the presence of a polymerization initiator whi...
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WO/2023/080938A1 |
The present invention relates to a solid catalyst component comprising magnesium, titanium, halide, and internal electron donor compounds comprising dilakylurea, malonate, succinate, and 1,3-diether, wherein the succinate amount is less ...
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WO/2023/081325A1 |
Provided is syndiotactic polypropylene-based ethylene-propylene copolymers comprising a) 5 to 15 % by weight of ethylene and 85 to 95 % by weight of propylene; b) 60 to 90% rr triads; c) Mw (LS) of 10 to 250 kg/mol; and d) no substantial...
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WO/2023/073444A1 |
A photopolymerizable composition comprises at least one free-radically polymerizable compound; at least one organic photoactivatable reducing agent precursor; at least one reducible transition metal compound comprising at least one of co...
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WO/2023/076818A1 |
Polyethylene compositions that exhibit an excellent balance of flexibility, processability, and mechanical strength. The polyethylene compositions have a surprising balance between BOCD-type profiles and molecular weights that can be use...
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WO/2023/072179A1 |
The present invention provides an olefin polymerization catalyst component, a catalyst system, a prepolymerization catalyst composition and an olefin polymerization method, which belong to the field of olefin polymerization catalysts. Th...
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WO/2023/076208A1 |
Embodiments are directed towards methods of making bimodal polyethylenes, wherein the methods include a plurality of cycles of ratio adjustments.
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WO/2023/072194A1 |
The present invention relates to the technical field of polypropylene materials, and provides a polypropylene microsphere and a preparation method therefor, a 3D printing raw material, and a use. The polypropylene microsphere comprises 0...
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WO/2023/075115A1 |
The present invention provides a polyethylene resin composition and a film comprising same, the polyethylene resin composition enhancing transparency and moisture-blocking properties without degradation of film properties.
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WO/2023/068861A1 |
The present invention relates to a method for preparation of a superabsorbent polymer. More specifically, the present invention relates to a method for preparation of a superabsorbent polymer, wherein a specific reducing agent compound a...
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WO/2023/069328A1 |
A process for producing a supported single-site catalyst is provided. The process comprises forming a slurry comprising a dried inorganic oxide support, an organic solvent, and an aluminoxane activator; maintaining the temperature of the...
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WO/2023/069407A1 |
A bimodal poly(ethylene-co-1-alkene) copolymer comprising a higher molecular weight poly(ethylene-co-1-alkene) copolymer component and a lower molecular weight poly(ethylene-co-1-alkene) copolymer component. The copolymer is characterize...
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WO/2023/062010A1 |
A monophasic propylene-ethylene random copolymer composition (R-PP), comprising: a) 30 to 70 wt.-% of a first propylene-ethylene random copolymer fraction (R-PP1), having an ethylene content in the range from 0. 1 to 5.0 mol-%; b) 30 to ...
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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...
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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...
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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...
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WO/2023/054234A1 |
Provided is a composition that can be used for an adhesive having excellent fast curability and heat cycle resistance. The present invention provides a two-agent type composition comprising a first agent and a second agent. The first age...
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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.
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WO/2023/051575A1 |
The present invention relates to the field of olefin polymerization, and in particular relates to a catalyst composition and an application thereof. The catalyst composition of the present invention comprises the following components: a)...
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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...
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WO/2023/050789A1 |
The present application provides an iron-based conjugated diene polymer and a preparation method therefor. In the polymer, a 3,4-(1,2-) structure accounts for 60%-80%, a 1,4 structure accounts for 20%-40%, gel content is <1%, and the gla...
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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...
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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...
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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...
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WO/2023/043910A1 |
Provided herein are compounds that can be used as a catalyst to form cyclic polymers, and methods of making and using the same. For example, provided herein are compounds of formula (I), and formula (l-dimer).
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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...
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WO/2023/037849A1 |
Provided are a catalyst, which enables the production of a high molecular weight olefin polymer having a polar group and being usable for various applications at a high catalytic activity, and a method for producing such an olefin polyme...
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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).
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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...
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WO/2023/039514A1 |
Embodiments are directed to catalyst systems comprising a metal−ligand complex procatalyst, a Lewis base, and an activator, wherein the activator comprises an anion and a cation, the anion having a structure according to formula (I).
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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...
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WO/2023/031719A1 |
A free-radically polymerizable composition comprises at least one free-radically polymerizable compound, at least one transition metal acetylacetonate coordination complex having a neutral charge, and a photolabile reducing agent represe...
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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...
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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...
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WO/2023/026884A1 |
To provide a curable composition that generates little outgas from an obtained cured product. The curable composition includes a radical polymerization initiator represented by formula 1 and a radical polymerizable compound. In formula 1...
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WO/2023/026907A1 |
Provided is a method for producing an oxymethylene copolymer having good physical properties. A method for producing an oxymethylene copolymer including the copolymerization of a trioxane and a monomer capable of copolymerizing with th...
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WO/2023/028428A1 |
Methods for preparing a metallocene-based catalyst composition that can impact the long chain branching of ethylene homopolymers and copolymers produced using the catalyst composition are described. The catalyst composition can be prepar...
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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...
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