{
  "$type": "site.standard.document",
  "description": "A pneumatic tire having a tread comprising a rubber composition comprising, expressed as parts by weight per 100 parts by weight of elastomer (phr), 100 phr of a solution-polymerized styrene-butadiene rubber with a bound styrene content of from 20 to 50 percent by weight, a vinyl 1,2 content of…",
  "path": "/patents/980730",
  "publishedAt": "2013-12-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "GOODYEAR TIRE & RUBBER [US]"
  ],
  "textContent": "A pneumatic tire having a tread comprising a rubber composition comprising, expressed as parts by weight per 100 parts by weight of elastomer (phr), 100 phr of a solution-polymerized styrene-butadiene rubber with a bound styrene content of from 20 to 50 percent by weight, a vinyl 1,2 content of from 10 to 40 percent by weight based on the rubber weight, and a Tg of from -40ºC to -10ºC; 5 to 60 phr of a low PCA process oil having a polycyclic aromatic content of less than 3 percent by weight as determined by the IP346 method; 90 to 150 phr of silica having a CTAB specific surface area (S CTAB ) of between 40 and 525 m 2 /g, and a BET specific surface area (S BET ) of between 45 and 550 m 2 /g; 10 to 20 phr of sulfur containing organosilicon compound; and 5 to 30 phr of a polyterpene resin is disclosed. Preferably, the rubber composition further comprises less than 10 phr of carbon black.",
  "title": "Pneumatic tire"
}