{
  "$type": "site.standard.document",
  "description": "Provided are a rubber composition and a tire which have an improved overall performance in terms of abrasion resistance and chipping resistance. Included is a rubber composition containing rubber components including an isoprene-based rubber and a styrene-butadiene rubber, carbon black, silica, and…",
  "path": "/patents/1405045",
  "publishedAt": "2026-02-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0016",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "Provided are a rubber composition and a tire which have an improved overall performance in terms of abrasion resistance and chipping resistance. Included is a rubber composition containing rubber components including an isoprene-based rubber and a styrene-butadiene rubber, carbon black, silica, and at least one selected from the group consisting of compounds represented by the following formula (1) and compounds represented by the following formula (2): wherein A represents a monovalent cyclic hydrocarbon group having at least one polar group, and R and R each independently represent at least one selected from the group consisting of a hydrogen atom, an acyl group, an amide group, an alkyl group, a cycloalkyl group, and an aryl group, and wherein A represents a monovalent cyclic hydrocarbon group having at least one polar group, and R represents a divalent hydrocarbon group.",
  "title": "RUBBER COMPOSITION AND TIRE"
}