{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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    "mimeType": "image/png",
    "size": 95401
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  "description": "The problem of the present invention is to provide a rubber composition for tire treads having high silica dispersibility while also having excellent processability. The rubber composition for tire treads of the present invention contains a diene rubber, silica and a silane coupling agent, wherein…",
  "path": "/patents/951398",
  "publishedAt": "2015-04-08T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "YOKOHAMA RUBBER CO LTD [JP]"
  ],
  "textContent": "The problem of the present invention is to provide a rubber composition for tire treads having high silica dispersibility while also having excellent processability. The rubber composition for tire treads of the present invention contains a diene rubber, silica and a silane coupling agent, wherein the silane coupling agent is a polysiloxane represented by a specific average composition formula, the silica content is from 5 to 200 parts by mass per 100 parts by mass of the diene rubber, and the silane coupling agent content is from 1 to 20 mass% relative to the silica content.",
  "title": "TIRE TREAD RUBBER COMPOSITION AND PNEUMATIC TIRE"
}