Rubber composition for tire and process of production thereof
AssigneeThe Yokohama Rubber Co., Ltd.
InventorsMakio Mori, Takeshi Hotaka, Takashi Shirokawa
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Abstract
A rubber composition comprising 100 parts by weight of a diene rubber and 0.5 to 20 parts by weight of a foaming agent-containing resin containing 5 to 65% by weight of a chemical foaming agent, wherein the resin is mainly a polyolefin resin which is not co-crosslinkable with the diene rubber and wherein the rubber composition is structured having microcapsule-shaped bubbles coated with a resin layer after vulcanization of the rubber.
Claims5
A rubber composition comprising (i) 100 parts by weight of a diene rubber and (ii) 0.5 to 20 parts by weight of a foaming agent-containing resin containing 5 to 65% by weight of a chemical foaming agent, said resin being mainly composed of a polyolefin resin which is not co-crosslinkable with the diene rubber, wherein the rubber composition is structured having microcapsule-shaped bubbles coated with a resin layer after vulcanization of the rubber.
Dependencies are inferred from the claim text.