{
  "$type": "site.standard.document",
  "description": "A rubber composition for a tire tread is disclosed, which provides a tire excellent in wet grip performance at low temperatures and wet grip performance at high temperatures. The rubber composition for a tire tread includes, per 100 parts by mass of diene-based rubbers including (a) 25 to 65 parts…",
  "path": "/patents/1352919",
  "publishedAt": "2023-10-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0016",
    "Toyo Tire Corporation"
  ],
  "textContent": "A rubber composition for a tire tread is disclosed, which provides a tire excellent in wet grip performance at low temperatures and wet grip performance at high temperatures. The rubber composition for a tire tread includes, per 100 parts by mass of diene-based rubbers including (a) 25 to 65 parts by mass of a modified styrene butadiene rubber having a glass transition point of −30° C. or more and (b) 25 to 65 parts by mass of a modified styrene butadiene rubber having a glass transition point of −50° C. or less: 80 to 140 parts by mass of silica; 15 to 50 parts by mass of a thermoplastic resin having a softening point of 40° C. or more; and 5 to 15 parts by mass of an oil.",
  "title": "RUBBER COMPOSITION FOR TIRE TREAD AND PNEUMATIC TIRE USING THE SAME"
}