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JP7262883B2 |
The present invention relates to: a polyolefin-polystyrene multiblock copolymer having a structure in which a polystyrene chain is attached to both ends of a polyolefin chain; and a preparation method therefor.
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JP7256117B2 |
Embodiments relate to compositions comprising: (a) from 60 wt % to 90 wt % of a propylene polymer base that has a melt flow rate from 2 g/10 min to 100 g/10 min according to ASTM D1238 (230° C./2.16 kg); (b) from 2 wt % to 39.5 wt % of ...
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JP2023514806A |
A thermoplastic polymer composition (I) comprising: (A) A1: block copolymer A containing 60 to 95% by weight of a vinyl aromatic monomer and A2: 5 to 40% by weight of a conjugated diene; (B) B1: 2 ,6-di-tert-butyl-4-(4,6-bis(octylthio)-1...
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JP7253534B2 |
Process for the preparation of very low haze and color stable styrenic polymers by anionic polymerization wherein the obtained terminated polymer solution is passed through a first filter, fed to a dispersing device to which water is add...
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JP7250931B2 |
An object of the present invention is to provide a new resin composition for a metal-clad laminate plate capable of producing a metal-clad laminate plate having excellent heat resistance, water resistance, and the like. The resin composi...
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JP7250402B2 |
The present invention relates to a polyolefin-polystyrene multi-block copolymer having a structure in which polystyrene chains are attached to both ends of a polyolefin chain, and a method for producing the same.The polyolefin-polystyren...
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JP7249926B2 |
Provided is a laminated glass including, in order: a first glass sheet; a first interlayer film; a transparent film laminated with a heat reflection film; a second interlayer film; and a second glass sheet, wherein the first interlayer f...
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JP2023036946A |
To provide a resin composition for phase separation constitution formation enabling formation of a phase separation constitution that is excellent in vertical orientation property and is reduced in occurrence of defects.A resin compositi...
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JP7237372B2 |
The present invention relates to a method of preparing a block copolymer composition which comprises a diblock copolymer and a triblock copolymer, containing a polyolefin-based block and a polystyrene-based block, the method comprising t...
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JP7237244B2 |
A polypropylene composition made from or containing:A) from 60 to 90 wt %, based upon the total weight of the polypropylene composition, of a fraction insoluble in xylene at 25° C., is made from or containing more than 80% wt of propyle...
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JP2023021646A |
To provide a thermoplastic elastomer and a molded product having good sense of touch and designability while having sufficient abrasion resistance.There is provided a thermoplastic elastomer composition which comprises (A) a hydrogenated...
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JP7217680B2 |
[Problem] To provide a block copolymer which has excellent heat resistance and can be used as a dispersant. [Solution] The present invention provides a block copolymer having block A and block B, wherein block A contains a structural uni...
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JP7213495B2 |
A resin composition for forming a phase-separated structure containing a block copolymer having a first block and a second block, in which the first block is formed of a constituent unit represented by Formula (b1), the second block is f...
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JP7211043B2 |
To provide a retardation film which has reverse wavelength dispersion property and can be easily manufactured at low cost.A retardation film is composed of a resin C containing a copolymer P containing a polymerization unit A and a polym...
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JP7184856B6 |
The present invention relates to a polypropylene resin composition, a method for manufacturing the same, and a molded article manufactured therefrom. Specifically, the present invention relates to a polypropylene resin composition compri...
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JP2023009066A |
To provide: antimicrobial compounds and nanostructures capable of further functionalization and antimicrobial activity against strong microbes; compositions including the compounds and nanostructures; and methods useful for antimicrobial...
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JP7207313B2 |
A purpose of the present invention is to provide a thermoplastic resin sheet which, when used in producing a laminate, can inhibit air bubbles from remaining in the laminate and has an excellent affinity for the adjoining layers. The the...
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JP7208218B2 |
The present invention relates to a method for the preparation of a synthetic rubber blend, wherein the blend comprises a high molecular weight polydiene (A) and a low molecular weight polydiene (B). The present invention further relates ...
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JP7205477B2 |
Disclosed is a laminate which includes one or more soft layers and an electronic device enclosed by the one or more soft layers, wherein the one or more soft layers have a flexural modulus of 80 MPa or more and 1,000 MPa or less and a wa...
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JP7205087B2 |
To provide block copolymer hydride capable of molding a molded body high in heat resistance and high in adhesiveness to a molded body consisting of cyclic olefin ring-opening polymer hydride (COP).There is provided block copolymer hydrid...
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JP7204646B2 |
Novel pentablock polymers of the formula ABCBA are provided wherein C is a glassy aromatic block having a Tg of >70° C.; B is a rubber block having a Tg<25° C.; and A is a block incompatible with the B and C blocks and derived from rin...
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JP7199672B2 |
The present invention relates to a method of preparing a block copolymer composition which comprises a diblock copolymer and a triblock copolymer, containing a polyolefin-based block and a polystyrene-based block, the method comprising t...
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JP7198084B2 |
A method for producing a dispersant for solid particles, in particular a dispersant for mineral binder compositions. Ionizable monomers m1 and sidechain-carrying monomers m2 are polymerized to a copolymer, polymerization taking place as ...
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JP7196604B2 |
To provide a molding material which can suppress blocking caused by self-adhesion between the molding material at the time of storage and transfer, and can mold sheet having desired optical characteristics (haze and permeability) and shr...
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JP7195417B2 |
A hydrogenated copolymer containinga hydrogenated copolymer (a) prepared by hydrogenating a copolymer of a vinyl aromatic compound and a conjugated diene compound, anda hydrogenated copolymer (b) prepared by hydrogenating a copolymer of ...
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JP7194179B2 |
The present invention relates to a modified hydrogenated product of a block copolymer having a polymer block (A) containing a structural unit derived from an aromatic vinyl compound, and a polymer block (B) containing a structural unit d...
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JP7191048B2 |
A block copolymer comprisinga polymer block (A) mainly comprising a vinyl aromatic monomer unit, anda polymer block (B) mainly comprising a conjugated diene monomer unit,the block copolymer being represented by the following general form...
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JP2022181400A |
To provide a solid catalyst component for polymerizing olefins capable of easily producing an olefins polymer having excellent fluidity and high rigidity while having a narrow molecular weight distribution without performing a complicate...
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JP2022183099A |
To provide a foam suitable for footwear having high impact resilience while maintaining strength.There is provided a crosslinkable and foamable composition which comprises a hydrogenated styrenic diblock copolymer, a free radical initiat...
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JP7180241B2 |
To provide a purification method of a monomer composition, with which at least a part of impurities contained in the monomer composition including a polycyclic aromatic vinyl compound and involving a risk of obstructing the polymerizatio...
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JP7179750B2 |
The present disclosure relates to an olefin polymerization catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polym...
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JP7176515B2 |
Provided is a method for producing a block polymer, which comprises: a step for synthesizing a homopolymer by anionically polymerizing a first monomer in the presence of an initiator with use of a flow reactor that is provided with a mix...
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JP7173013B2 |
Provided is a method for producing a block polymer, the method including: a step of synthesizing a polymer by subjecting a styrene-based monomer as a first monomer to anionic polymerization in the presence of an initiator using a flow re...
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JP7173132B2 |
The present disclosure provides a block copolymer composition for a flexographic plate comprising a block copolymer A represented by the following general formula (A) and a block copolymer B represented by the following general formula (...
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JP7172171B2 |
To provide a pigment dispersant, a pigment dispersion, and a method of manufacturing a polymer used for the pigment dispersant.The pigment dispersant and the pigment dispersion contain a polymer (A) represented by general formula (1) or ...
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JP7170654B2 |
Thermoplastic elastomer compositions can be used for medical skin contact applications, comprising: a) 90.9 to 69.0 wt.-% star-shaped block copolymer A with 4 arms of the general structure [S1—(S/B)k—(S/B)I—(S/B)m—S2]n—X, where...
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JP7170655B2 |
Thermoplastic elastomer compositions can be use for medical applications, Comprising: a) 97.1 to 90.9 wt.-% star-shaped block copolymer A with identical arms of the structure [S1-(S/B)k-(S/B)I-(S/B)m-S2]n-X, where S1 and S2 are vinylarom...
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JP7170045B2 |
Disclosed herein are coupled polymer products comprising polymer with up to five polymer chains bonded to a functionalizing compound of either formula (II) or formula (III), wherein the polymer chains are comprised of conjugated diene-co...
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JP7166609B2 |
To provide a method for manufacturing the plated molding of polyolefin capable of preventing a plated layer from peeling.The method for manufacturing a plated molding of polyolefin comprises: a surface modification step of contacting a p...
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JP7166433B2 |
The present invention provides a hydrogenated block copolymer that is a hydrogenated product of a copolymer containing a vinyl aromatic compound monomer unit and a conjugated diene monomer unit, and that satisfies the following condition...
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JP7166465B2 |
A hot melt adhesive composition is provied that includes: a diblock copolymer including a styrene-based monomer-derived unit and a conjugated diene-based monomer-derived unit; a triblock copolymer which is a coupled polymer of the dibloc...
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JP2022166805A |
To provide a block copolymer or the like having excellent impact resistance under ultra-low temperature conditions.There is provided a block copolymer which has a polymer block (A) mainly composed of a unit derived from a vinyl aromatic ...
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JP7164576B2 |
The present disclosure provides compounds and nanostructures having one or more quaternary ammonium salts, compositions including the compounds and nanostructures, and methods useful for treating conditions using the compounds, nanostruc...
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JP2022164842A |
To provide a propylene polymer and a propylene-based resin composition which enable production of a molding excellent in rigidity, and provide the molding.A propylene-based resin composition contains a propylene polymer (A) satisfying th...
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JP7155133B2 |
Polymer compositions comprising stiff and tough star shaped styrene butadiene blockcopolymers A1 and A2 can be used for making shrink films. Block copolymer A2 preferably has the structurewith hard blocks Se and Si, hard random copolymer...
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JP7153665B2 |
Provided are a (meth)acrylic block copolymer exhibiting good active energy ray curability, in particular, curability of a blend thereof with an acrylate monomer, and the (meth)acrylic block copolymer. The (meth)acrylic block copolymer in...
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JP2022147137A |
To provide a thermoplastic elastomer composition excellent in high-temperature strength, low-temperature impact resistance, and releasability, and to provide a molding and an air bag housing cover comprising the thermoplastic elastomer c...
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JP7143458B2 |
A counter tapered thermoplastic elastomer composition comprising: (a) a counter tapered diblock A-[A/B] copolymer with a peak molecular weight from 20,000 to 250,000, wliicli includes a monovinyl aromatic liomopolymer block A with a peak...
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JP7141027B2 |
To provide a molded article which exhibits high flexibility at a low temperature and is excellent in vibration-damping properties.The molded article contains a hydride of a block copolymer which contains a polymer block (A) containing a ...
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JP7140121B2 |
A layered body including a polarizer material film, and an unstretched substrate film provided on the polarizer material film, wherein a phase difference Re1 in an in-plane direction of the polarizer material film is 10 nm or less, and a...
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