{
  "$type": "site.standard.document",
  "description": "A vulcanizable rubber composition and its use in a tire or an article of manufacture is disclosed. The vulcanizable rubber composition comprises: from 30 to 90 phr of a first functionalized styrene-butadiene rubber having a glass transition temperature Tg1 ranging from -70 to -50 °C; and from 10 to…",
  "path": "/patents/1420755",
  "publishedAt": "2025-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "GOODYEAR TIRE & RUBBER [US]"
  ],
  "textContent": "A vulcanizable rubber composition and its use in a tire or an article of manufacture is disclosed. The vulcanizable rubber composition comprises: from 30 to 90 phr of a first functionalized styrene-butadiene rubber having a glass transition temperature Tg1 ranging from -70 to -50 °C; and from 10 to 50 phr of a second functionalized styrene-butadiene rubber having a glass transition temperature Tg2 ranging from - 110 to -70°C. Tg2 minus Tg1 is at least 10 °C. It further comprises from 0 to 40 phr of at least one additional elastomer; from 50 to 150 phr of silica; from 0 to 50 phr of a hydrocarbon resin; and from 10 to 50 phr of an oil.",
  "title": "VULCANIZABLE RUBBER COMPOSITION FOR A PNEUMATIC TIRE"
}