{
  "$type": "site.standard.document",
  "description": "Provided is a rubber composition containing an unvulcanized rubber component and 0.1 to 30 parts by mass of a reclaimed rubber containing a styrene-butadiene rubber relative to 100 parts by mass of the unvulcanized rubber component. The reclaimed rubber has an amount of chloroform-extractable…",
  "path": "/patents/1380733",
  "publishedAt": "2026-04-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08L17/00",
    "Toyo Tire Corporation"
  ],
  "textContent": "Provided is a rubber composition containing an unvulcanized rubber component and 0.1 to 30 parts by mass of a reclaimed rubber containing a styrene-butadiene rubber relative to 100 parts by mass of the unvulcanized rubber component. The reclaimed rubber has an amount of chloroform-extractable matter by Soxhlet extraction of 15 to 30 mass %, the chloroform-extractable matter contains an oil and a thermoplastic resin, and the reclaimed rubber has a toluene solubility of 25 mass % or more.",
  "title": "RUBBER COMPOSITION AND TIRE"
}