{
  "$type": "site.standard.document",
  "description": "It is an object of the present invention to provide a rubber composition for sidewall having improved high-speed durability. Provided is a rubber composition for sidewall, comprising a rubber component and a thermoplastic resin, wherein the rubber component comprises a styrenebutadiene rubber…",
  "path": "/patents/1397721",
  "publishedAt": "2025-03-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0025",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "It is an object of the present invention to provide a rubber composition for sidewall having improved high-speed durability. Provided is a rubber composition for sidewall, comprising a rubber component and a thermoplastic resin, wherein the rubber component comprises a styrenebutadiene rubber and/or a butadiene rubber, wherein an amount of a cis-1,4-bond butadiene unit in a total amount of the rubber component is 80.0% by mass or less, and wherein a crack growth rate measured under a predetermined condition is at a certain level or lower.",
  "title": "RUBBER COMPOSITION FOR SIDEWALL"
}