{
  "$type": "site.standard.document",
  "description": "With the aim of providing a rubber composition that is capable of increasing the ratio of sustainable materials in rubber products and improving elongation at break (EB) after thermal aging, a rubber composition contains a rubber component (A), recovered carbon black (B), a quinoline-based…",
  "path": "/patents/1390405",
  "publishedAt": "2026-06-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "With the aim of providing a rubber composition that is capable of increasing the ratio of sustainable materials in rubber products and improving elongation at break (EB) after thermal aging, a rubber composition contains a rubber component (A), recovered carbon black (B), a quinoline-based antioxidant (C), and zinc oxide (D), wherein a mass ratio \"zinc oxide (D)/quinoline-based antioxidant (C)\" of the zinc oxide (D) to the quinoline-based antioxidant (C) is more than 0 and not more than 1.8.",
  "title": "RUBBER COMPOSITION, SIDE RUBBER, AND TIRE"
}