Rubber composition and method of manufacturing the same
OwnerNaofumi Ezawa, Hideki Komatsuinventors
Life of this patent
Estimating the term…
Abstract
This invention relates to a rubber composition and a method of manufacturing the same, and particularly to a technique of improving a fracture resistance in a silica-containing rubber composition by improving dispersion of the silica.
Claims8
A rubber composition comprising a rubber ingredient and not less than 20 parts by weight of silica based on 100 parts by weight of the rubber ingredient, which further contains at least one of amide-group-containing compound, a phenol resin and a resin-curing agent.
A method of manufacturing a rubber composition, in which the method comprises the step of compounding a rubber ingredient, silica, an amide-group-containing compound and a phenol resin added with a resin-curing agent.
A method of manufacturing a rubber composition, in which the method comprises the step of compounding a rubber ingredient, silica, an amide-group-containing compound, a phenol resin and a resin-curing agent.
Dependencies are inferred from the claim text.