{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "A vulcanizable rubber composition for use in a tread of a pneumatic tire is disclosed. The rubber composition comprises, based on 100 parts by weight of elastomer (phr), (A) from 20 to 100 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) in a range…",
  "path": "/patents/1427730",
  "publishedAt": "2023-04-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0016",
    "GOODYEAR TIRE & RUBBER [US]"
  ],
  "textContent": "A vulcanizable rubber composition for use in a tread of a pneumatic tire is disclosed. The rubber composition comprises, based on 100 parts by weight of elastomer (phr), (A) from 20 to 100 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) in a range of from -85 °C to -50 °C; (B) from 0 to 40 phr of a natural rubber or synthetic polyisoprene; (C) from 0 to 30 phr of a cis-1,4 polybutadiene having a Tg in a range of from - 110ºC to -90ºC; (D) from 0 to 50 phr of a process oil; (E) from 20 to 80 phr of a hydrocarbon resin having a Tg of at least 30 °C; and (F) from 90 to 150 phr of silica.",
  "title": "RUBBER COMPOSITION AND PNEUMATIC TIRE"
}