{
  "$type": "site.standard.document",
  "description": "An object of the present invention is to provide a rubber composition which can further improve abrasion resistance without deterioration in energy efficiency, and a pneumatic tire using the rubber composition. The rubber composition comprises a polymer mixture obtained by modifying a polymer…",
  "path": "/patents/944666",
  "publishedAt": "2016-04-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "An object of the present invention is to provide a rubber composition which can further improve abrasion resistance without deterioration in energy efficiency, and a pneumatic tire using the rubber composition. The rubber composition comprises a polymer mixture obtained by modifying a polymer composed of at least one of a conjugated diene compound and an aromatic vinyl compound with a compound having at least one of an ester group and a carboxyl group; at least one of triamines; and silica, the polymer mixture having a weight-average molecular weight of 1.0×10to 1.0×10, and the triamines being a compound represented by the following formula (I): wherein each of R, R, R, Rand Rindependently represents a hydrogen atom or an alkyl group, and each of ALKand ALKindependently represents an alkylene group.",
  "title": "RUBBER COMPOSITION AND PNEUMATIC TIRE"
}