{
  "$type": "site.standard.document",
  "description": "To provide a rubber composition for tires exhibiting excellent wet performance, excellent low rolling resistance, and excellent steering stability, when a tire is formed, and a pneumatic tire including the rubber composition for tires. The rubber composition for tires of the present invention…",
  "path": "/patents/923632",
  "publishedAt": "2017-07-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "YOKOHAMA RUBBER CO LTD [JP]"
  ],
  "textContent": "To provide a rubber composition for tires exhibiting excellent wet performance, excellent low rolling resistance, and excellent steering stability, when a tire is formed, and a pneumatic tire including the rubber composition for tires. The rubber composition for tires of the present invention contains a diene rubber, silica, a silane coupling agent, a fatty acid metal salt, and a predetermined alkyltrialkoxysilane; the diene rubber containing 60 mass% or greater of a modified conjugated diene rubber and 30 mass% or greater of a particular conjugated diene rubber which corresponds to a part or all of the modified conjugated diene rubber; an average glass transition temperature of the diene rubber being from -45 to -20°C; the particular conjugated diene rubber being a conjugated diene rubber produced by a particular production method and having predetermined ranges of aromatic vinyl unit content, vinyl bond content, and weight average molecular weight.",
  "title": "RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE"
}