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WO/2021/185924A1 |
The present invention provides a heterophasic polypropylene composition with good response to nucleating agents, increased crystallisation temperature, good mechanical properties The present invention further relates to articles made the...
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WO/2021/182439A1 |
The purpose of the present invention is to provide: a borate compound-containing composition which is useful as a promoter for polymerization of olefins or dienes and which is soluble in a hydrocarbon solvent; and a manufacturing method ...
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WO/2021/182438A1 |
The purpose of the present invention is to provide a composition containing a borate compound which is useful as a cocatalyst for the solution polymerization of olefin or diene and is soluble in a hydrocarbon solvent. According to the ...
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WO/2021/176976A1 |
The present invention addresses the problem of providing resin fine particles capable of maintaining the transparency of a film while imparting an anti-blocking effect when added to various types of resin films. Provided as a solution ar...
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WO/2021/177379A1 |
This composition contains: (1) a reactive compound that has an aromatic ring and a hydroxyl group and that produces a cured body which exhibits a tensile elongation percentage of 50% or greater as measured in accordance with JIS K 7161-2...
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WO/2021/175836A1 |
The present invention relates to a process for producing a solid Ziegler-Natta catalyst component in the form of solid particles having a median particle size (D50vol) of 5 to 500 μm and the process comprising steps I. providing a solut...
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WO/2021/173148A1 |
A composition, such as a catalyst precursor or a catalyst comprising a Cr coated silica support with particularly defined levels of Na and Al, such that the resulting Cr/Silica catalyst has an increased MI potential is disclosed. In an e...
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WO/2021/172818A1 |
The present invention relates to a hybrid catalyst composition comprising different transition metal compounds, an olefin polymerization catalyst comprising same, and methods for preparing the composition and the catalyst. Specifically, ...
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WO/2021/173362A1 |
The present disclosure relates to Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization. In at least...
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WO/2021/172341A1 |
[Problem] The problem of the present invention is to provide an environmentally friendly photoradical polymerization initiator that does not generate acids inducing corrosion during radical polymerization reaction and consists of carbon ...
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WO/2021/173345A1 |
Embodiments are directed to a metal-ligand complex catalyst precursor, (L1)(L2)X(R1)(R2), and methods for producing the same from a compound of formula Q2X(R1)(R2). L1 and L2 are independently -R3-Z1 or -R4-Z1. R1 and R2 are independentl...
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WO/2021/173361A1 |
Metallocene complexes represented by structure (I) are useful for alpha olefin oligomerization in the presence of an activator to generate polyalphaolefins having a high percentage of vinylidene termination and relatively low Mn values. ...
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WO/2021/168023A1 |
Disclosed are metallocene compounds, catalyst compositions comprising a metallocene compound, processes for polymerizing olefins, methods for making catalyst compositions, olefin polymers and articles made from olefin polymers. In an asp...
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WO/2021/164844A1 |
The invention relates to a family of Pd(II)-based catalysts of general formula (I) reproduced below for use in the production of olefin/polar vinyl monomer copolymers and olefin homopolymers. The invention also refers to ligands that are...
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WO/2021/165842A1 |
The present invention relates to a process for preparation of superabsorbent polymer with high fluid absorptivity. The present invention also relates to a composition comprising said superabsorbent polymer and their use for absorbing aqu...
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WO/2021/162304A1 |
The present invention relates to an anionic polymerization initiator for preparing a polyolefin-polystyrene block copolymer, an anionic polymerization initiator composition, and a method for preparing same.
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WO/2021/162746A1 |
This invention relates to a homogeneous process to produce propylene polymers using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the ...
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WO/2021/162748A1 |
This invention relates to a homogeneous process to produce polyethylene compositions using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, whe...
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WO/2021/162938A1 |
A copolymer is formed by contacting an olefin and a 1,1-dicarbonyl substituted alkene and reacting the olefin and 1,1-dicarbonyl substituted alkene under a pressure greater than atmospheric pressure in the presence of a free radical init...
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WO/2021/162747A1 |
This invention relates to a homogeneous process to produce polymers of diene monomer and one or more alpha olefins (such as ethylene-alpha-olefin-diene monomer copolymers, such as ethylene-propylene diene monomer copolymers) using transi...
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WO/2021/162745A1 |
This invention relates to a homogeneous process to produce propylene copolymers, such as propylene ethylene copolymers, using transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis...
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WO/2021/154676A1 |
A method comprising a) contacting a solvent, a carboxylic acid, and a peroxide-containing compound to form an acidic mixture wherein a weight ratio of solvent to carboxylic acid in the acidic mixture is from about 1:1 to about 100:1; b) ...
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WO/2021/154112A1 |
The invention relates to the production of synthetic rubbers for use in manufacturing tyres and tyre components, golf balls and industrial rubber products. More particularly, the present invention relates to a method for producing a modi...
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WO/2021/155168A1 |
Embodiments of this disclosure are directed to polymerization process comprising contacting ethylene and optionally one or more α-olefins in solution in the presence of one or more catalyst systems and a chain transfer agent, wherein th...
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WO/2021/154204A1 |
Disclosed are support-activators and catalyst compositions comprising the support-activators for polymerizing olefins in which the support-activator includes clay heteroadduct, prepare from a colloidal phyllosilicate such as a colloidal ...
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WO/2021/155158A1 |
Embodiments of this disclosure are directed to catalyst systems comprising a metal-ligand complex according to formula (I).
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WO/2021/144401A1 |
A polypropylene composition (C) obtainable by blending: a) 55.0 to 95.0 wt.-% of a heterophasic propylene copolymer (HECO) defined by its crystalline fraction content (78.0 to 92.0 wt.-%), soluble fraction content (8.0 to 22.0 wt.-%), C2...
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WO/2021/144404A1 |
A polypropylene composition (C) obtainable by blending: a) 50.0 to 95.0 wt.-% of a heterophasic propylene copolymer (HECO) defined by its crystalline fraction content (78.0 to 92.0 wt.-%), soluble fraction content (8.0 to 22.0 wt.-%), C2...
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WO/2021/140065A1 |
The present invention relates to tungsten(VI) oxytetrachloride which is characterized by high chemical purity, and to a process for preparing same.
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WO/2021/138382A1 |
Embodiments in accordance with the present invention encompass compositions comprising a organopalladium compound, a photoacid generator, a photosensitizer and one or more olefinic monomers which undergo vinyl addition polymerization whe...
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WO/2021/137631A1 |
The present invention relates to a rubber composition and a preparation method therefor, wherein the rubber composition comprises a modified polymer having a structure in which a molecular weight modifier is coupled to at least one termi...
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WO/2021/138651A1 |
Embodiments in accordance with the present invention encompass compositions encompassing a latent organo-ruthenium compound and a pyridine compound along with one or more monomers which undergo ring open metathesis polymerization (ROMP) ...
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WO/2021/138103A1 |
Embodiments of a polyethylene composition are provided, which may include a first polyethylene fraction comprising at least one peak in a temperature range of from 35°C to 70°C in an elution profile via improved comonomer composition d...
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WO/2021/138383A1 |
Embodiments in accordance with the present invention encompass compositions comprising a organopalladium compound, a photoacid generator, a photosensitizer and one or more olefinic monomers which undergo vinyl addition polymerization whe...
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WO/2021/136804A1 |
The present invention relates to a polymerisation process, comprising: a) supplying a feed containing ethylene and at least one alpha-olefin having 3 to 12 carbon atoms in a hydrocarbon solvent to a polymerisation reactor, b) contacting ...
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WO/2021/133640A1 |
A composition comprising an ethylene/alpha-olefin interpolymer that comprises the following properties: a) a total unsaturation/1000C ≥ 0.30; b) a molecular weight distribution (MWD) ≤ 3.0; c) a TGIC broadness parameter B 1/4 ≤ 8.0...
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WO/2021/133925A1 |
The present disclosure provides a process. In an embodiment, the process includes contacting ethylene and butene under polymerization conditions at a temperature greater than 125C with a catalyst system. The catalyst system includes (i) ...
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WO/2021/133818A1 |
A process for preparing a polydiene, the process comprising (i) forming an active catalyst composition by combining a rare-earth compound, an alkylating agent, an aluminoxane, and a halogen compound; and (ii) combining the active catalys...
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WO/2021/133819A1 |
A process for preparing a polydiene, the process comprising (i) preparing an active catalyst composition by combining a rare-earth compound including a rare-earth metal, an alkylating agent, an aluminoxane, and optionally a halogen-conta...
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WO/2021/133945A1 |
The present disclosure provides a process. In an embodiment, the process includes contacting ethylene and octene under polymerization conditions at a temperature greater than 125°C with a catalyst system comprising (i) a first polymeriz...
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WO/2021/132139A1 |
The present invention provides a radical-polymerizable resin composition which can be inhibited from shrinking while retaining the strength by adding a proper amount of an expanding material to a radical-polymerizable resin composition w...
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WO/2021/133613A1 |
A process to prepare an alpha composition comprising a first ethylene/alpha-olefin/interpolymer fraction and a second ethylene/alpha-olefin/interpolymer fraction; said process comprising polymerizing, in one reactor, a reaction mixture, ...
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WO/2021/123672A1 |
The present invention relates to a method for polymerising an aqueous suspension of styrene using at least one organic hemiperoxyacetal peroxide, the method comprising a step a) of keeping the aqueous suspension of styrene comprising the...
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WO/2021/120146A1 |
A cleansing wipe may be formed from a nonwoven and includes a first ethylene/alpha-olefin interpolymer and a second ethylene/alpha-olefin interpolymer. The cleansing wipe may also have a SaMbSc configuration, wherein the M, meltblown lay...
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WO/2021/126692A1 |
The present disclosure related to iron-containing compounds including a 2,6-diiminoaryl ligand and one or more substituted hydrocarbyl substituents. Catalysts, catalyst systems, and processes of the present disclosure can provide polyole...
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WO/2021/127150A1 |
Embodiments are directed towards a use of a supported gas-phase biphenylphenol polymerization catalyst to make a polymer via a gas-phase polymerization process, wherein the supported gas-phase biphenylphenol polymerization catalyst is ma...
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WO/2021/126002A1 |
The invention relates to the production of synthetic rubbers used in the manufacture of tires and tire parts, rubber products, golf balls and other similar products. In particular, the present invention relates to a process for produc...
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WO/2021/123592A1 |
The invention relates to a copolymer of ethylene and a 1,3-diene, containing more than 50 mol % of ethylene units and containing 1,2-cyclohexanediyl units, the 1,3-diene being 1,3-butadiene or a mixture of 1,3-dienes containing 1,3-butad...
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WO/2021/126449A1 |
A polyethylene suitable for use in blown film can comprise ethylene derived units and C3 to C12 α-olefin derived units at 0.5 wt% to 10 wt% of the polyethylene and have a reversed-co-monomer index (RCI,m) of 35 to 100, a comonomer distr...
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WO/2021/126655A1 |
A composition is provided that includes aliphatic urethane acrylate; a multifunctional crosslinking agent; photoinitiator; a chemical initiator system of a peroxide or azo group containing catalyst, and a cure promoter; and a particulate...
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