{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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  "description": "Provided is a rubber composition that has low heat generating properties, high elastic modulus, and excellent crack growth resistance. The rubber composition of the present disclosure contains carbon black, a bismaleimide compound, and a hydrazide compound, where the bismaleimide compound is…",
  "path": "/patents/1400556",
  "publishedAt": "2024-11-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "Provided is a rubber composition that has low heat generating properties, high elastic modulus, and excellent crack growth resistance. The rubber composition of the present disclosure contains carbon black, a bismaleimide compound, and a hydrazide compound, where the bismaleimide compound is represented by the following general formula (I), the hydrazide compound is represented by the following general formula (II), the carbon black has a nitrogen adsorption specific surface area (N2SA) of less than 40 m2/g and an oil absorption amount (COAN) of a compressed sample of 60 ml/100 g or more, and the content thereof is 35 parts by mass or more and less than 45 parts by mass with respect to 100 parts by mass of the rubber component.",
  "title": "RUBBER COMPOSITION AND TIRE"
}