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WO/2022/004336A1 |
Provided is a modified conjugated diene-based polymer having: with respect to the total repeating units, a ratio of 50-99.5 mass% of a repeating unit (a) derived from a conjugated diene compound; a ratio of 0-40 mass% of a repeating unit...
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WO/2021/250557A1 |
The present invention relates to a process for the preparation of a copolymer with a high content of styrene or substituted styrene, in particular of a stereoregular copolymer of butadiene with styrene and/or substituted styrene, for use...
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WO/2021/251629A1 |
The present invention relates to: a method for preparing an admixture for a gypsum board; an admixture for a gypsum board, prepared thereby; and a composition for forming a gypsum board, comprising same. Specifically, a technique to be p...
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WO/2021/241866A1 |
The present invention provides a method for preparing a carboxylic acid modified-nitrile based copolymer latex, comprising: a step for initiating, in a reactor, an emulsion polymerization of a monomer mixture comprising a conjugated dien...
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WO/2021/238100A1 |
Disclosed are a positive electrode plate, a preparation method therefor and the use thereof. The positive electrode plate comprises a current collector and an active substance layer formed on the current collector, wherein the active sub...
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WO/2021/232679A1 |
A liquid butyl benzene polymer, a preparation method for same and an application of same, as well as a composition, a polymer coating, an adhesive, and a cross-linking agent containing same. When the total weight of the liquid butyl benz...
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WO/2021/235676A1 |
The present invention relates to a thermoplastic resin composition comprising: a rubbery polymer containing a first styrene-based monomer unit and a diene-based monomer unit at a weight ratio of 10:90 to 35:65 and having an average parti...
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WO/2021/235678A1 |
The present invention relates to a liquid rubber preparation method and a liquid rubber prepared thereby, the liquid rubber preparation method comprising a step (S10) of polymerizing conjugated diene-based monomers in the presence of an ...
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WO/2021/230492A1 |
The present invention relates to a graft copolymer, a preparation method therefor, and a resin composition comprising same, the graft copolymer comprising a rubber polymer, wherein the rubber polymer comprises a conjugated diene-based mo...
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WO/2021/224874A1 |
The present invention relates to a tyre for vehicle wheels, in particular automobile wheels, characterised by a tread comprising at least one iso-styrene/trans-butadiene/terpene random terpolymer. Said tread is characterised by a greater...
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WO/2021/221367A1 |
The present invention relates to a graft copolymer, a method for preparing same, and a resin composition comprising same, the graft copolymer comprising a rubbery polymer, wherein the rubbery polymer comprises a conjugated diene-based mo...
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WO/2021/221029A1 |
A purpose of the present invention is to provide a polybutadiene composition which makes it possible to obtain a rubber composition having excellent hardness and which is excellent in terms of processability and dimensional stability in ...
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WO/2021/206068A1 |
The hydrogenated conjugated diene polymer of the present invention has a branching number (Bn) by a GPC-light scattering with viscosity detector measurement method of 2.5 or higher and a hydrogenation rate of structural units derived fro...
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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/2021/201289A1 |
The present invention provides a conjugated diene polymer that has excellent workability when vulcanized and the vulcanizate of which has excellent abrasion resistance and low hysteresis loss. The present invention relates to a conjugate...
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WO/2021/201419A1 |
The present invention relates to a carboxylic acid-modified nitrile-based copolymer latex, and provides: a carboxylic acid-modified nitrile-based copolymer latex, a dip molding latex composition comprising same, and a molded product, the...
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WO/2021/201417A1 |
The present invention relates to a latex composition for dip molding, and provides a latex composition for dip molding and a molded article, wherein the latex composition comprises a carbonic acid modified nitrile-based copolymer latex h...
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WO/2021/200098A1 |
Provided is a tire comprising a pair of beads, a pair of sidewalls, and a tread communicating with both sidewalls, the tread being divided into at least three sections in the tire width direction by a center part that includes the tire e...
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WO/2021/200984A1 |
A composition for dip molding containing at least a carboxyl-group-containing nitrile rubber elastomer, an epoxy crosslinking agent that contains an epoxy compound having a parent skeleton that has three or more glycidyl ether groups per...
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WO/2021/201416A1 |
The present invention relates to a latex composition for dip molding and provides a latex composition for dip molding, and a molded article, the latex composition including a carboxylic acid-modified nitrile-based copolymer latex satisfy...
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WO/2021/201415A1 |
The present invention relates to a carboxylic acid-modified nitrile-based copolymer latex comprising a carboxylic acid-modified nitrile-based copolymer which comprises a conjugated diene-based monomer-derived unit, an ethylenically unsat...
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WO/2021/201414A1 |
The present invention relates to a latex composition for dip molding and provides a latex composition for dip molding, and a molded article, the latex composition including a carboxylic acid-modified nitrile-based copolymer latex satisfy...
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WO/2021/201418A1 |
The present invention relates to a carboxylic acid-modified nitrile-based copolymer latex, and provides a carboxylic acid-modified nitrile-based copolymer latex which comprises a carboxylic acid-modified nitrile-based copolymer comprisin...
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WO/2021/193538A1 |
The present invention addresses the problem of providing: a polymerizable liquid crystal composition which is capable of suppressing the occurrence of a precipitate; an optically anisotropic layer; an optical film; a polarizing plate; an...
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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/2021/187273A1 |
The present invention provides a binder composition for all-solid-state batteries, said binder composition exhibiting excellent storage stability for a long period of time, while having excellent lithium ion conductivity and achieving go...
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WO/2021/182537A1 |
The purpose of the present invention is to provide a pneumatic tire that imparts little burden upon the environment and has superior durability and rolling resistance without resorcin being included in an adhesive composition which is co...
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WO/2021/172938A1 |
The present invention relates to a modified conjugated diene-based polymer having excellent rolling resistance and improved processability, a preparation method therefor, and a rubber composition comprising same, and provides a modified ...
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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/2021/152875A1 |
An embodiment of the present invention relates to a dispersing agent containing a copolymer which includes an aliphatic hydrocarbon structural unit, a nitrile group-containing structural unit, and a substituted or unsubstituted carbamoyl...
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WO/2021/149713A1 |
This cyclic olefin copolymer contains: a structural unit (A) derived from at least one olefin represented by general formula (I); a structural unit (C) derived from at least one cyclic olefin represented by general formula (II); a struct...
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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/2021/132460A1 |
The present invention relates to a chloroprene copolymer latex composition, a chloroprene copolymer rubber molded article and an immersion product; and the chloroprene copolymer latex composition contains (A) a chloroprene copolymer and ...
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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/2021/125243A1 |
Provided is a resin moulded article provided with: a base comprising a resin composition containing a copolymer that contains a conjugated diene unit and a non-conjugated olefin unit and has a butylene unit content of 0 mol%; and a metal...
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WO/2021/123591A1 |
The invention relates to a diorganomagnesium compound of formula RB-Mg-RA, RB being different from RA, RB comprising a benzene ring substituted by the magnesium atom, wherein one of the carbon atoms of the benzene ring on the ortho posit...
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WO/2021/123589A1 |
The invention relates to a catalytic system based on at least one metallocene and a diorganomagnesium compound of formula RB-Mg-RA, RB being different from RA and comprising a benzene ring substituted by the magnesium atom, wherein one o...
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WO/2021/123590A1 |
The invention relates to a diorganomagnesium compound of formula RB-Mg-RA, RA being different from RB, RA being a polymer chain containing units of a monomer selected from the group of monomers consisting of 1,3-dienes, aromatic α-monoo...
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WO/2021/125837A1 |
The present invention relates to a hydrogenated petroleum resin and a rubber composition comprising same. The hydrogenated petroleum resin according to the present invention not only improves the viscoelastic properties of the rubber com...
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WO/2021/115978A1 |
The present invention relates to a polymer latex obtained by aqueous emulsion polymerization of a mixture of ethylenically unsaturated monomers comprising a) vinyl aromatic compounds; b) conjugated dienes; c) hydroxyalkyl esters of ethyl...
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WO/2021/117295A1 |
Provided are: a polymer molded article having excellent rupture strength; and a composition that is inhibited from gelation of a copolymer during kneading and that is capable of providing a polymer molded article having excellent rupture...
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WO/2021/107434A1 |
The present invention provides a modifying agent that can improve fuel efficiency and processability in a balanced manner, a modified conjugated diene polymer produced using the modifying agent, a method for producing the polymer, and a ...
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WO/2021/106413A1 |
Provided is a rubber-metal complex in which a rubber member and a metal member are firmly attached to each other. In this rubber-metal complex, the rubber member and the metal member are attached to each other with an adhesive layer inte...
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WO/2021/090748A1 |
Provided is a nitrile-group-containing copolymer rubber which comprises 15-28 wt%, excluding 28 wt%, units (a) of an α,β-ethylenically unsaturated nitrile monomer, 10-50 wt% units (b) of an α,β-ethylenically unsaturated monocarboxyli...
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WO/2021/085829A1 |
The present invention relates to a modified conjugated diene-based polymer, and a rubber composition comprising same. Provided is a modified conjugated diene-based polymer satisfying the following conditions: i) a Mooney viscosity of 75-...
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WO/2021/079981A1 |
The present invention relates to a chloroprene copolymer latex, a method for producing the chloroprene copolymer latex, a chloroprene copolymer latex composition, and a molded object or dip-formed article of a chloroprene copolymer rubbe...
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WO/2021/079844A1 |
Provided is a rubber composition with which a rubber crosslinked product having good workability and an excellent balance between rolling resistance and wet grip performance can be obtained. Provided is a rubber composition containing a ...
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WO/2021/076640A1 |
Embodiments are directed to anionic rubber polymerization processes conducted in a non-aqueous dispersion utilizing conjugated diene and vinyl aromatic monomers and a dispersing agent formed in-situ during the polymerization process.
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WO/2021/071096A1 |
The present invention relates to a conjugated diene-based copolymer composition and, more specifically, to a conjugated diene-based copolymer composition, a preparation method therefor, and a rubber composition comprising same, and provi...
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