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JP2023151231A |
To provide a rubber composition excellent in performance on ice and snow roads and low fuel consumption performance, and a tire.The rubber composition contains: a diene rubber containing a modified aromatic vinyl-diene copolymer; silica;...
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JP2023151223A |
To provide a rubber composition excellent in wet performance and wear resistance, and a tire.A rubber composition contains: a diene rubber; silica; and a modified liquid diene polymer having a specific functional group in the main chain ...
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JP7360981B2 |
To provide an olefin compound that shows excellent heat resistance and electric characteristics and has excellent curability.The present disclosure provides an olefin compound represented by formula (1), where X represents any organic gr...
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JP2023542842A |
Curable partially hydrogenated butadiene polymers having a degree of hydrogenation of 0.5 to 55% and containing a total of 0 to 9% by weight, based on the total weight of said polymer, of the general formula (I) derived from butadiene. a...
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JP7360345B2 |
To provide an olefin resin having excellent curable properties, and further provide an olefin resin that is suitably used for sealing of electric/electronic components and circuit boards, carbon fiber composite materials and the like, an...
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JP2023136492A |
To provide a rubber composition for tires with excellent silica dispersibility, and a tire produced using the rubber composition for tires.A rubber composition for tires contains rubber, silica, and a terminal-modified diene-based polyme...
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JP2023136487A |
To provide a diene polymer excellent in silica adsorption and a rubber composition containing the diene polymer.A modified liquid diene polymer has a structure derived from a compound represented by formula (1) at a terminal and has a we...
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JP7350925B2 |
The present invention provides a 1,3,7-octatriene polymer having a narrow molecular weight distribution and a hydride thereof. Specifically, the 1,3,7-octatriene polymer is a polymer containing a structural unit derived from 1,3,7-octatr...
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JP2023539677A |
The present disclosure relates to hydrogen-mediated anionically polymerizable conjugated diene compositions, such as homopolymers and copolymers of isoprene and/or butadiene, and processes and compositions for preparing them. [Selection ...
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JP7344709B2 |
To produce a modified conjugated diene-based polymer composition that can provide in a short time a rubber composition excellent in processability, particularly exhibiting good dispersibility of a filler or the like because a torque of a...
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JP7343775B2 |
To provide a rubber composition that has excellent dispersibility of a reinforcement filler, and a tire produced using the rubber composition.A rubber composition contains a rubber component with a weight average molecular weight of 150,...
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JP7337434B2 |
The present invention relates to a modified conjugated diene-based polymer having excellent storage stability and excellent processability, tensile strength and viscoelasticity properties, and a rubber composition including the same, and...
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JP7334267B2 |
Disclosed herein area process for preparing a modified high-cis polybutadiene polymer, a modified high-cis polybutadiene polymer, and tires having a component made using the modified high-cis polybutadiene polymer. The processes make use...
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JP7333695B2 |
The present invention aims to inhibit crumb detachment of a conjugated diene-based polymer from a veil surface of the conjugated diene-based polymer and swelling of a veil. The present invention relates to: a crumb of a conjugated diene ...
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JP7325886B2 |
The present disclosure relates to an electrode binder composition for a rechargeable battery and an electrode mixture comprising the same. The electrode binder composition for a rechargeable battery of the present disclosure not only has...
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JP7324877B2 |
The present invention relates to a method for preparing a liquid rubber, and relates to a method for preparing a liquid rubber, including performing polymerization reaction of a conjugated diene-based monomer in the presence of an organi...
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JP7319862B2 |
To provide a sulfur-modified chloroprene rubber to give a vulcanizate that is excellent in permanent compression set and scorching resistance and has reduced exothermic properties.A rubber composition contains a sulfur-modified chloropre...
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JP7319863B2 |
To provide a sulfur-modified chloroprene rubber to give a vulcanizate that is excellent in permanent compression set and scorching resistance and has reduced exothermic properties.A rubber composition contains a sulfur-modified chloropre...
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JP7317431B2 |
The present invention relates to a method for preparing a conjugated diene-based polymer, characterized in using a dimer acid saponified material as an emulsifier in a polymerization initiation step and injecting a monomer and the emulsi...
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JP7315411B2 |
To provide a sulfur-modified chloroprene rubber that is excellent in permanent compression set and scorching resistance and has reduced exothermic properties.A rubber composition contains a sulfur-modified chloroprene rubber in which the...
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JP7312638B2 |
To provide a modified conjugated diene-based polymer composition having good processability and having excellent balance between low hysteresis loss property and wet skid resistance when formed into a vulcanizate.There is provided a modi...
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JP7307813B2 |
An object of the present invention is to provide a novel resin composition for a metal-clad laminate, with which a metal-clad laminate having excellent adhesion with a metal foil, solder heat resistance, insulation and the like can be pr...
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JP2023529689A |
[wrap up] The resin has a structure defined by formula (I), wherein (a) each R5are independently methylene groups (CH2), or one or more of -H, -CH3, or a methylene group substituted with a halogen functional group, and (b) each R6is inde...
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JP2023096093A |
To provide copolymers having a relatively high Mooney viscosity at the time of polymer desolventization while at the same time maintaining a relatively low aged Mooney viscosity.A process for preparing a stabilized diene copolymer which ...
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JP2023528788A |
The present invention relates to a conjugated diene-based polymer or a modified conjugated diene-based polymer that is excellent in well-balanced wet skid resistance and abrasion resistance, and a rubber composition containing these poly...
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JP7298468B2 |
To provide a thermosetting resin composition giving a cured product which has a high glass transition temperature, is excellent in dielectric characteristics, heat resistance and low water absorption, and is useful for high-frequency app...
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JP2023088874A |
To provide a method of manufacturing conjugated diene polymers, rubbers including the conjugated diene polymers, and tires including the rubbers.The conjugated diene polymers are obtained by polymerizing conjugated diene monomers, or con...
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JP2023087070A |
To provide a rubber composition for a tire, an anti-vibration rubber, a rubber crawler or a hose capable of improving the crack growth resistance of a vulcanized rubber composition obtained by vulcanizing a rubber composition.There is pr...
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JP2023084279A |
To provide: a curable resin composition which can form a cured product excellent in heat resistance and dielectric properties; a cured product of the curable resin composition; and an article with a coating comprising the cured product.A...
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JP2023083374A |
To provide reinforcing fibers containing an adhesive component but not containing resorcinol or formalin, and excellent in adhesiveness to rubber, a method for producing the reinforcing fibers, and a molded article of the reinforcing fib...
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JP2023075373A |
To provide a sulfur-modified chloroprene rubber that can give a vulcanizate having excellent permanent compression set and scorch resistance and reduced heat build-up.A rubber composition contains: 100 pts.mass of a sulfur-modified chlor...
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JP7284581B2 |
wherein L31, L32, A31, and R31 have one of the meanings as given in claim 1. Furthermore, the present invention relates also to a method for its preparation, a polymer film with improved thermal durability obtainable from the correspondi...
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JP2023521008A |
A method for preparing a polymer in the presence of a lanthanide-based catalyst system comprising (i) a lanthanide-containing compound, (ii) triethylaluminum, (iii) aluminum hydride, and (iv) a halogen-containing compound. A method, or m...
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JP7280115B2 |
Provided is a method of preparing a modified conjugated diene-based polymer mixture which has excellent low hysteresis loss and has an excellent balance in wear resistance and processability when using the modified conjugated diene-based...
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JP2023071514A |
To provide a method for manufacturing an article in which exhaust gas of a stable gas composition is recovered and a new article of uniform-quality can be efficiently manufactured.Provided is a method for manufacturing an article. The me...
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JP7270035B2 |
The present invention provides a diene rubber that is capable of giving a crosslinked product or forming a rubber composition which has high levels of both ice grip performance and wet grip performance; a rubber composition including the...
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JP2023513532A |
The present invention relates to a conjugated diene-based polymer having high processability and excellent compoundability, a method for producing the same, and a rubber composition containing the same, and neodymium that satisfies all t...
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JP7244244B2 |
To provide a method for producing a conjugated diene rubber capable of giving a rubber composition having excellent processability.The method for producing a conjugated diene rubber comprises: a first step of polymerizing a monomer conta...
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JP7242881B2 |
The present invention relates to a modified conjugated diene-based polymer having excellent processability and good tensile strength and viscoelasticity, and a rubber composition including the same, and provides a modified conjugated die...
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JP7241748B2 |
Provided is a rubber composition which can give a tire that exhibits excellent abrasion resistance and crack resistance without impairing fuel economy. The rubber composition contains: a filler (A), which includes carbon black (A1) havin...
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JP7238154B2 |
Disclosed herein are a modified high cis polydiene polymer, processes for preparing the modified high cis polydiene polymer, and tire rubber compositions containing the modified high cis polydiene polymer. The processes make use of a fun...
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JP2023509775A |
An adhesive composition prepared from an elastomer and a tackifying resin. The tackifier resin has the following properties: i) less than 10 weight percent volatile organic compounds; ii) Mn between 300 and 1000 Da; iii) Mw between 400 a...
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JP7234409B2 |
The present invention relates to a continuous preparation system of a conjugated diene-based polymer, by which the control of a polymerization conversion ratio at an initial stage of polymerization is easy, and productivity is excellent.
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JP7227136B2 |
The present invention relates to a modified conjugated diene-based polymer, and more particularly, to a modified conjugated diene-based polymer having a unimodal shape of gel permeation chromatography (GPC) molecular weight distribution ...
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JP2023021829A |
To provide a catalyst composition which has high selectivity for the 1,4 bond in polymerization using at least a conjugated diene compound as a monomer.The catalyst composition comprises: a metal compound having a metal element M selecte...
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JP2023021830A |
To provide a catalyst composition which has high selectivity for the 1,4 bond in polymerization using at least a conjugated diene compound as a monomer.The catalyst composition comprises: a metal compound having a metal element M selecte...
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JP2023015945A |
To provide a polymer excellent in crack growth resistance.Provided is a modified conjugated diene-based polymer, the polymer having at least a conjugated diene unit, and having three or more modified groups represented by -SO3M1/n (M is ...
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JP7209718B2 |
The present invention relates to a modification polymerization initiator and a method for preparing the same, and the modification polymerization initiator includes a derived unit from a compound represented by Formula 1 and may include ...
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JP2023501368A |
The present invention is a modified diene having a modified ABC or CBA copolymer comprising at least one conjugated diene monomer and at least one unsubstituted vinyl aromatic monomer and at least one substituted vinyl aromatic monomer. ...
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JP7199777B2 |
The present invention relates to a modified conjugated diene-based polymer, more particularly, a modified conjugated diene-based polymer prepared by continuous polymerization and accordingly, having specific polymer structure, molecular ...
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