The present invention provides a rubber composition that can offer excellent abrasion resistance when applied to a tire member such as a tread, without deteriorating rolling resistance. To solve the problem, a rubber composition according to the present in...

Provided is a positive-electrode material for nonaqueous-electrolyte secondary batteries, the positive-electrode material being capable of achieving both high capacity and high output when used for a positive electrode for nonaqueous-electrolyte secondary ...

A method for using S-(3-aminopropyl)thiosulfuric acid and/or a metal salt thereof added to a rubber component as a raw material of a vulcanized rubber composition, comprising a pre-kneading step A of kneading a rubber component, a filler, S-(3-aminopropyl)...

Silicic acid containing rubber mixture comprises at least one rubber, a sulfur containing alkoxysilane, a crosslinking agent, a filler, optionally further rubber auxiliary products, and a silicon-free polysulfide additive (I) (0.1-15 parts by weight, based...

Provided are a rubber composition including: a rubber component formed of a diene-based rubber; and a filler, in which when an actual density determined by JIS K6268 method A is represented by dc, and a density and a mass fraction of a component i determin...

The invention relates to preparation of silica-rich rubber compositions for a tire by a sequence of sequential mixing steps conducted in internal rubber mixer(s) with individual maximum temperature limitations. The mixing steps are comprised of at least tw...