{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
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  "description": "Processability and abrasion resistance are improved in a rubber composition having silica added thereto. The rubber composition for a tire comprises a diene rubber, silica and an ether ester that is monoester and/or diester of polyoxyalkylene glycerin fatty acid ester represented by the following…",
  "path": "/patents/1240199",
  "publishedAt": "2019-08-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08L9/00",
    "Toyo Tire Corporation"
  ],
  "textContent": "Processability and abrasion resistance are improved in a rubber composition having silica added thereto. The rubber composition for a tire comprises a diene rubber, silica and an ether ester that is monoester and/or diester of polyoxyalkylene glycerin fatty acid ester represented by the following formula (1): wherein R, Rand Reach represent a hydrogen atom or an acyl group having a saturated or unsaturated alkyl group having 6 to 30 carbon atoms, provided that at least one of R, Rand Ris an acyl group, R, Rand Reach independently represent an alkylene group having 2 to 4 carbon atoms, a, b and c each independently represent an average number of moles added and 60 mass % or more of (RO), (RO)and (RO), consists of an oxyethylene group. A pneumatic tire manufactured using the rubber composition is disclosed.",
  "title": "RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE"
}