Provided is a tire () including a tread rubber layer () and belt layers (A, B) located inward of the tread rubber layer () in the tire radial direction. The tread rubber layer () includes a rubber component, a resin component, and a filler. The rubber component includes an isoprene skeleton rubber…
A sealing apparatus is provided. The sealing apparatus is arranged between two members facing each other for sealing a space between the two members. The sealing apparatus comprises a sealing body in contact with the space, in which the sealing body has a tensile strength of 10 MPa or more measured…
The present invention provides rubber compositions suitable for tyre manufacture comprising a functionalised polymer and a functionalised silica.
Provided is a tire () including a tread rubber layer () located at the outermost surface of a tread portion (), and a reinforcing layer that is located inward thereof in the tire radial direction and includes an organic fiber cord. The tread rubber layer () includes a rubber component, a resin…
A tire comprising a rubber composition comprising, based on 100 parts per weight elastomer, a silane-coupled carbon nanotube (CNT) in a polybutadiene masterbatch. The rubber composition further comprises a first elastomer mixed with the masterbatch. The first elastomer can be the same as or…
A rubber composition contains 10-50 parts by mass of a thermoplastic resin in 100 parts by mass of a diene rubber containing 60 mass % or more of a styrene-butadiene rubberhaving a styrene content of 5-30 mass % and a vinyl content of 10-35 mass %. In a mixture containing the diene rubber and the…
A sulfur-vulcanizable rubber compound comprises a silane functionalized diene elastomer, a silane coupling agent, and a silica filler. The silane coupling agent excludes an active sulfur moiety. The rubber compound is a reaction product of a siloxyl condensation reaction between the silane…
This invention is based upon the unexpected finding that the reaction product of polyisobutylene and a silane can be incorporated into tire sealant formulations to greatly reduce the level of hysteresis exhibited by such sealant formulations which decreases the rolling resistance of the tire to…
A cross-linked product obtained through crosslinking a polymer composition that contains a rubber component, an inorganic filler and a cross-linking agent and that satisfies conditions (a) to (c): (a) the rubber component contains a conjugated diene-based polymer (A) having, when composition ratios…
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 of a functionalizing compound of formula (I) to prepare the…
A hydrogenated conjugated diene-based polymer which has a structure formed by bonding a nitrogen-containing compound having two or more alkoxysilyl groups and two or more nitrogen atoms with a plurality of conjugated diene-based polymer chains, wherein: when a composition ratio (molar ratio) in the…
The purpose is to provide rubber compositions and pneumatic tires which have reduced changes in complex modulus E* over time. The present invention relates to rubber compositions containing at least one copolymer obtained by copolymerizing an aromatic vinyl compound and a conjugated diene compound…
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 presence of an alkali metal compound, with a compound [A]…
A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. In some embodiments, a modified conjugated diene-based polymer satisfying the conditions of i) a mooney viscosity from 75 to less than 100, measured in accordance with ASTM D1646 at 110° C…
The invention relates to a rubber composition based on at least one functionalized elastomer comprising polar functional groups, a reinforcing filler and a specific phenolic compound.
An object of the present invention is to obtain a molded bale of a rubber composition that is difficult to cold flow and difficult to be thermally deteriorated. The present invention provides a molded bale of a rubber composition containing: a rubber-like polymer (A) having an iodine value of 10 to…
This polymer composition includes: a modified conjugated diene-based polymer having at least one nitrogen-containing functional group selected from the group consisting of a primary amino group, a secondary amino group, a tertiary amino group, a primary amino group having been protected or…
A modified conjugated diene-based polymer having high Mooney viscosity and good shape stability and exhibiting excellent processability and low heat build-up is obtained in as few steps as possible. The modified conjugated diene-based polymer is produced by a method of reacting a conjugated…