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JP7353176B2 |
Embodiments of the present disclosure are directed to functionalized copolymers produced by copolymerization of at least one conjugated diolefin monomer and at least one vinyl monomer, the functionalized copolymer comprising at least one...
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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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JP2023132795A |
To provide wiper blade rubber that realizes compatibility of high attenuation characteristics effective in preventing noise and excellent low temperature characteristics while reducing environmental burden by restraining use of material ...
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JP2023130060A |
To provide a tire making both excellent wet grip performance and excellent dry grip performance compatible with each other.A tire comprising a tread having at least one circumferential groove portion is provided, the circumferential groo...
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JP2023130061A |
To provide a tire improved in integrated performance of wet performance and dry performance.A tire comprising a tread having at least one circumferential, the circumferential groove portion is formed of a groove portion forming rubber co...
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JP2023130059A |
To provide a tire capable of improving crack growth resistance.There is provided a tire comprising a tire outer layer member formed of a rubber composition including: a rubber component; an acid modification liquid polymer; and a metal f...
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JP7346543B2 |
A modified conjugated diene-based polymer is produced by a method reacting a conjugated diene-based polymer having an active terminal, which is a polymer obtained by polymerizing a monomer including a conjugated diene compound in the pre...
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JP7345958B2 |
The present invention relates to a modified conjugated diene-based polymer and a rubber composition including the same, and provides a modified conjugated diene-based polymer including: a derived unit from a modification initiator; a rep...
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JP7346041B2 |
To provide an etching resist composition having excellent adhesiveness to a substrate and showing excellent chemical resistance to immersion for a long time in hydrofluoric acid, an alkali aqueous solution containing a strong base such a...
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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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JP7343757B2 |
To provide a rubber composition that has enhanced anti-oxidation and anti-aging performance to a level higher than a conventional level.A rubber composition is produced by blending Mb pts.mass of at least one tocopherol compound selected...
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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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JP7343589B2 |
A conjugated diene-based polymer of the present invention has a branch number (Bn) measured by viscosity detector-equipped GPC-light scattering measurement of 8 or more, has a change (ΔT) of an oxidation onset temperature caused through...
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JP7341154B2 |
Provided are a rubber composition and a tire having excellent durability (crack resistance) and wear resistance while maintaining low-loss property at high level. A rubber composition comprises a modified conjugated diene-based polymer; ...
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JP2023126039A |
To provide a rubber composition which achieves both thermal deterioration resistance and fracture resistance.The rubber composition contains a diene rubber (A), a heterocyclic compound (B) having a six-membered aromatic heterocyclic ring...
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JP2023126042A |
To provide a rubber composition which achieves both fuel economy and crack propagation resistance.The rubber composition contains: a diene rubber (A); a heterocyclic compound (B) having at least one heterocyclic ring selected from the gr...
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JP2023124728A |
To provide an elastomer composition capable of forming a molding having low surface resistivity and excellent mechanical strength under a high-temperature environment.An elastomer composition includes an elastomer, carbon nanotubes satis...
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JP2023124504A |
To provide a resin composition which enables production of a cured product having low dielectric loss tangent and excellent crack resistance.A resin composition contains (A) an epoxy resin, (B) a curing agent, and (C) a conjugated diene-...
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JP7339580B2 |
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JP2023123604A |
To provide a rubber crosslinked product excellent in wet grip performance, low heat generating property and abrasion resistance.There is provided a rubber crosslinked product which is obtained by crosslinking a rubber composition compris...
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JP7338411B2 |
To provide a crosslinkable rubber composition which is excellent in processability and can give a rubber crosslinked product having high tensile strength at a high temperature and excellent cold impact resistance.The crosslinkable rubber...
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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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JP7337879B2 |
Embodiments of the present disclosure are directed to functionalized copolymers produced by copolymerization of at least one conjugated diolefin monomer and at least one vinyl monomer, the functionalized copolymer comprising at least one...
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JP7336221B2 |
To provide a sulfur-modified chloroprene rubber providing a vulcanizate that is excellent in compressive set and scorch resistance, and has a reduced heat generation property.The sulfur-modified chloroprene rubber having a terminal struc...
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JP2023119107A |
To provide a rubber composition for tires that can meet high standards for both on-ice performance and wear resistance.A rubber composition for tires includes 100 pts.mass of a diene rubber, blended with 30 pts.mass or more of a white fi...
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JP2023119108A |
To provide a rubber composition for studless tires which improves on-ice performance and wear resistance.The rubber composition for studless tires contains 10-30 pts.mass of thermally expandable microcapsules based on 100 pts.mass of a d...
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JP2023117798A |
To provide a polymer actuator including a dielectric elastomer layer which has an increased dielectric constant and has dielectric breakdown (decrease in dielectric breakdown field strength) suppressed while maintaining flexibility (elas...
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JP7330230B2 |
An uncrosslinked fluororubber composition comprising: a rubber component which comprises a fluororubber having a propylene unit in a molecular chain, as a main component; and a phenolic resin.
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JP7324712B2 |
The present invention relates to a rubber composition which makes it possible to achieve both of a riding comfort during normal running and durability during run flat running in a run flat tire. The rubber composition is a rubber composi...
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JP2023534634A |
The present disclosure relates to dielectric film forming compositions comprising at least one cyclized polydiene resin and one or both of at least one reactive functional compound and at least one catalyst.
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JP2023110834A |
To prevent a substrate from warping in the case of making an optical waveguide on the substrate.The present invention relates to a resin composition for use in making cladding of an optical waveguide, the resin composition comprising a r...
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JP2023110833A |
To prevent a substrate from warping in the case of making an optical waveguide on the substrate.The present invention relates to a resin composition for use in making cladding of an optical waveguide, the resin composition comprising a c...
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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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JP2023106860A |
To provide a sealing composition that is capable of forming a sealing layer having both of a barrier against steam intrusion and transparency and also has superior dispersibility (storage stability) of calcium oxide.A sealing composition...
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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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JP2023104746A |
To provide a tire configured so that ride comfort performance is maintained over a long time.A tire comprises a tread part 3 in which a direction of mounting on a vehicle is designated. The tread part 3 has an inner tread rubber layer 52...
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JP7315814B2 |
To provide a rubber composition for a tire which is intended mainly for use as a rim cushion rubber layer of a heavy-duty pneumatic tire, has low rolling resistance and has excellent fittability and durability when used in a tire.There i...
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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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JP7315409B2 |
To provide a rubber composition that has good processability, has good dispersibility of a filler by allowing the composition to achieve a relatively high rate of torque rise and be easily kneaded particularly when kneading a rubbery pol...
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JP7313620B2 |
To provide a conjugated diene rubber excellent in creep properties, tenacity and self-repairing properties.The present invention provides a modified conjugated diene rubber that is a conjugated diene rubber having a carboxylic acid metal...
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JP7314034B2 |
Provided is a rubber composition having excellent low heat generating properties. The rubber composition of the present disclosure contains a rubber component, a filler containing silica, and a silane coupling agent, where the rubber com...
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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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JP7305363B2 |
This invention relates to a dicyclopentadiene (DCPD)-based resin functionalized with groups capable of reacting with silica or carbon black for use in high performance tires and a preferred method of preparing the functionalized resin co...
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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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JP2023094565A |
To provide a cross-linkable composition capable of providing a member excellent in resistance to nitric acid for an air control system of an ammonia combustion engine.A cross-linkable composition to be used for a member of an air control...
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JP2023093861A |
To provide a manufacturing method of a rubber composition capable of improving a vulcanization rate, low fuel consumption, and wet road surface control, or a manufacturing method of a tire.A method for manufacturing a rubber composition ...
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JP2023527883A |
The present invention provides at least one non-functionalized first diene elastomer E1 having a glass transition temperature TgE1, one functionalized second diene elastomer E2 having a glass transition temperature TgE2, a functionalized...
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JP7300015B2 |
A body ply skim layer in which a reinforcing ply is embedded, arranged at a distance T from an outer surface of the body ply skim layer and at a distance B from an inner surface of the body ply skim layer, such as to define an asymmetry ...
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JP2023088449A |
To provide a rubber composition for a tire and a tire capable of improving overall performance of wet grip performance and traveling comfort when travelling at high speed.There is provided a rubber composition for a tire which comprises ...
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