{
  "$type": "site.standard.document",
  "description": "Provided is a rubber composition for base tread which can provide excellent steering stability and rolling resistance and improve pass-by noise properties when applied to a tire. The present disclosure discloses a rubber composition for base tread to be used for base tread of a tread portion of a…",
  "path": "/patents/1405412",
  "publishedAt": "2023-12-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0016",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "Provided is a rubber composition for base tread which can provide excellent steering stability and rolling resistance and improve pass-by noise properties when applied to a tire. The present disclosure discloses a rubber composition for base tread to be used for base tread of a tread portion of a tire, where a ratio of storage modulus at 0 °C (0 °C E') to storage modulus at 30 °C (30 °C E') (0 °C E'/30 °C E') is in a range of 1.3 to 2.0.",
  "title": "BASE TREAD RUBBER COMPOSITION AND TYRE"
}