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WO/2021/220645A1 |
Provided is a solid catalyst component for olefin polymerization that makes it possible to satisfy practically satisfactory standards regarding the stereoregularity and the molecular weight distribution range of an obtained polymer, copo...
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WO/2021/222018A1 |
Compositions may comprise symmetrical and asymmetrical pyridine-containing transition metal-complexes having appended group (13) Lewis acids positioned on the pyridine-containing ligands of the transition metal-complex such that the grou...
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WO/2021/218913A1 |
The present invention relates to olefin polymerization catalysts, and disclosed are a catalyst component for olefin polymerization or copolymerization and a preparation method therefor, and a catalyst and an application thereof. The cata...
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WO/2021/221988A1 |
Ziegler-Natta (pro)catalyst systems made with an external electron donor compound, methods of synthesis of same, methods of olefin polymerization using same, and polyolefin polymers made thereby. The external electron donor compound is a...
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WO/2021/221987A1 |
Ziegler-Natta (pro)catalyst systems made with an external electron donor compound, methods of synthesis of same, methods of olefin polymerization using same, and polyolefin polymers made thereby. The external electron donor compound is a...
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WO/2021/222280A2 |
The present disclosure generally relates to catalyst systems, polyethylene compositions, and uses of such compositions in, e.g., films. In an embodiment is provided a film that includes a polyethylene composition, comprising: ethylene an...
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WO/2021/220644A1 |
Provided is a solid catalytic component that is for olefin polymerization and that, when used in olefin polymerization, allows easy formulation of an olefin polymer in which reduction in polymerization activity per unit time is suitably ...
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WO/2021/213836A1 |
The present invention relates to a compound according to formula 1: wherein:• each of R1 to R12 may individually be a moiety selected from hydrogen, an aryl moiety, an aryl moiety, a halogen, an alkyl or aryl moiety with halogen substi...
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WO/2021/213367A1 |
Provided in the present invention are an apparatus and method for preparing a poly-alpha-olefin. The apparatus for preparing the poly-alpha-olefin according to the present invention comprises an input unit (1), a microchannel reactor (2)...
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WO/2021/213361A1 |
Provided in the present invention are a device and method for preparing a polyalphaolefin. The device for preparing the polyalphaolefin of the present invention comprises a mixing unit, a micro-channel reaction unit, a high-pressure sepa...
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WO/2021/214629A1 |
Provided in this disclosure are titanium complexes that contain 1) a cyclopentadienyl ligand; 2) an adamantyl-phosphinimine ligand; and 3) at least one activatable ligand. The use of such a complex, in combination with an activator, as a...
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WO/2021/210948A1 |
The present invention relates to a ligand compound having a novel structure, a transition metal compound, and a catalyst composition comprising same.
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WO/2021/210961A1 |
The present invention relates to a composition for an encapsulant film, comprising an ethylene/alpha-olefin copolymer having excellent volume resistance and light transmittance, and an encapsulant film using same.
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WO/2021/210958A1 |
The present invention relates to an ethylene/alpha-olefin copolymer having excellent volume resistivity and light transmittance, and a method for producing same.
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WO/2021/210835A1 |
The present invention relates to a hybrid catalyst composition comprising different transition metal compounds, a catalyst for olefin polymerization comprising same, and methods for preparing the hybrid catalyst composition and the catal...
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WO/2021/209699A1 |
The present invention relates to a process for polymerizing at least one radically polymerizable compound comprising at least one ethylenic bond, in the presence of a borane BH3-amine complex and an alkene.
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WO/2021/210953A1 |
The present invention relates to a polyolefin-polystyrene-based multiblock copolymer having a structure in which a polystyrene chain is attached to both ends of a polyolefin chain, and a method for preparing same.
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WO/2021/209326A1 |
Blown films, especially monolayer blown films, with an improved property profile, the blown films comprising at least 95.0 wt% of a specific heterophasic propylene copolymer (TERHECO).
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WO/2021/205333A1 |
A composition comprising a high molecular weight, chromium catalyzed ethylene copolymer (also referred to as a polyethylene resin), a nucleating agent and zinc oxide.
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WO/2021/206345A1 |
The present invention relates to a catalyst composition comprising an oxonium ion-based catalyst and an aluminum-based cocatalyst, and a method for preparing an isobutene-based polymer using same.
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WO/2021/206250A1 |
The present invention relates to: a catalyst composition which comprises at least one selected from the group consisting of a transition metal compound represented by chemical formula 1 and a transition metal compound represented by chem...
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WO/2021/204979A1 |
The present application relates to a process for producing ethylene polymer in a polymerization process comprising polymerisation of ethylene, optionally with comonomers selected from C3-C20-alpha-olefins, preferably selected from C4-C10...
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WO/2021/202283A1 |
The present disclosure provides a process. In an embodiment, the process includes providing a purge stream containing octene monomer. The process includes contacting, under polymerization conditions, the purge stream with a bis-biphenylp...
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WO/2020/167713A9 |
Two-part cyanoacrylate/free radically curable adhesive systems demonstrating improved toughness are provided. Two-part cyanoacrylate/free radically curable adhesive systems demonstrating improved toughness are provided.
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WO/2021/202722A1 |
Processes of polymerizing olefin monomers using catalyst systems and catalysts systems that include a procatalyst having a structure according to formula (I):
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WO/2021/202294A1 |
The present disclosure provides a process. In an embodiment, the process includes contacting, under polymerization conditions, one or more C6-C14 α-olefin monomers with a bis-biphenylphenoxy catalyst. The process includes forming a poly...
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WO/2021/196776A1 |
The present invention belongs to the field of polymer synthesis, and a method for preparing branched polyhydroxyethyl methacrylate by inverse emulsion polymerization at room temperature is disclosed. A branched hydroxyethyl methacrylate ...
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WO/2021/196778A1 |
The present invention belongs to the field of polymer synthesis, and particularly relates to temperature-responsive poly (hydroxyethyl methacrylate) and a preparation method. Dibenzoyl peroxide is used as an oxidizing agent, 2-methyl-N-[...
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WO/2021/200090A1 |
The present invention relates to an olefin-based resin (β) satisfying the following requirements (I) to (VI). (I) The olefin-based resin (β) includes an olefin-based graft polymer [R1] comprising a main chain consisting of an ethylene/...
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WO/2021/202483A1 |
Provided are bimodal linear low density polyethylene copolymers (B-LLDPE copolymers) that have a combination of improved properties comprising at least one processability characteristic similar or better than that of an unblended monomod...
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WO/2021/196777A1 |
The present invention belongs to the technical field of fine chemical engineering, and specifically relates to a polymerizable surfactant with reducibility and a preparation method therefor. The polymerizable surfactant with reducibility...
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WO/2021/202486A1 |
Provided are bimodal linear low density polyethylene copolymers (B-LLDPE copolymers) that have a combination of improved properties comprising at least one processability characteristic similar or better than that of an unblended monomod...
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WO/2021/202302A1 |
The present disclosure provides a drag reducing agent. In an embodiment, the drag reducing agent includes a polymer and a liquid carrier. The polymer is composed of one or more C6-C14 α-olefin monomers. The polymer includes a residual a...
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WO/2021/197055A1 |
An acrylate emulsion with high water whitening resistance, relating to the technical field of emulsion paint films, and comprising at least the following raw materials in part by weight: 15-40 parts of a styrene monomer, 40-70 parts of a...
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WO/2021/202714A1 |
Processes of polymerizing olefin monomers using catalyst systems and catalysts systems that include a procatalyst having a structure according to formula (I).
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WO/2021/202659A1 |
A method for preparing a polymer, the method comprising polymerizing conjugated diene monomer in the presence of a lanthanide-based catalyst system including (i) a lanthanide-containing compound, (ii) triethyl aluminum, (iii) an aluminum...
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WO/2021/202349A1 |
Embodiments are directed to a method of making an olefin-based polymer by free-radical polymerization in a reactor system. The method includes initiating a free-radical polymerization of an olefin-based monomer, propagating growth of the...
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WO/2021/202091A1 |
The present disclosure relates to comb-block copolymers and methods thereof. In some embodiments, a copolymer includes a first block comprising an ethylene-propylene copolymer; and a second block comprising a high density polyethylene. I...
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WO/2021/195501A1 |
The disclosure are directed to a process for polymerizing ethylene-based polymers. The process includes polymerizing ethylene and optionally one or more (C3-C14)α-olefin monomer, and at least one diene, in the presence of at least one m...
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WO/2021/191724A1 |
A new olefin polymerization catalyst is ligated with a tetradentate ligand having a phenoxy/amino/ether/phenoxy (O/N/O/O) atom donor set. The new polymerization catalyst which is based on zirconium or hafnium produces an ethylene copolym...
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WO/2021/193717A1 |
The present invention pertains to: a fluorine resin that includes a residue unit represented by formula (1), and an end group represented by formula (2); and a fluorine resin that includes a residue unit represented by formula (1) and ha...
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WO/2021/195504A1 |
Embodiments of this disclosure are directed to ethylene-based polymers. The ethylene-based polymers are polymerized units derived from ethylene, diene, and optionally one or more C3-C12 α-olefins. The ethylene-based polymer includes a m...
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WO/2021/193813A1 |
A polypropylene composition including: as a component (A), a propylene (co)polymer that includes 0-2 wt% of a comonomer-derived unit selected from the group consisting of ethylene, a C4-C10-α-olefin, and a combination of these; and as a...
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WO/2021/195505A1 |
Embodiments of this disclosure are directed to ethylene-based polymers. The ethylene-based polymer are polymerized units derived from ethylene, diene, and optionally, one or more C3-C12 α-olefins. The ethylene-based polymer includes a m...
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WO/2021/194766A1 |
The present disclosure relates to acid-blocked alkylaminopyridine catalysts for use in a polyurethane formulation. The polyurethane formulation may include the acid-blocked alkylaminopyridine catalyst, a compound containing an isocyanate...
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WO/2021/193650A1 |
Provided are: a catalyst that is for olefin polymerization and that has a high catalytic activity (polymerization activity); a production method for the catalyst for olefin polymerization; and a production method for an olefin polymer us...
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WO/2021/188337A1 |
This invention relates to a composition comprising at least 1 wt%, based upon the weight of composition, of a transition metal complex comprising a pentavalent transition metal and represented by the Formula (1): wherein each M is indepe...
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WO/2021/187780A1 |
The present invention relates to a production method for a transition metal compound. Specifically, the present invention relates to a production method for a transition metal compound for use in the production of a catalyst for olefin p...
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WO/2021/188361A1 |
This invention relates to a copolymer comprising about 50 wt% to about 99.9 wt% C6-C60 linear α-olefin units; diene units; and optionally C2-C10 α-olefin comonomer units different than the C6-C60 linear α-olefin units. In at least one...
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WO/2021/185737A1 |
A copolymer comprising repeating units derived from ethylene, at least one C3-C20-α-olefin, at least one non-conjugated diene, and at least one dual polymerizable diene, wherein the copolymer has (i) an intensity ratio D of ≤ 0.5 and ...
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