{
  "$type": "site.standard.document",
  "description": "Provided is a rubber composition for a tire tread containing: a diene rubber; silica in an amount of from 60 to 200 parts by mass per 100 parts by mass of the rubber; a polysiloxane represented by the average composition formula: (A)(B)(C)(D)(R)SiO [in the formula, A represents a divalent sulfide…",
  "path": "/patents/954788",
  "publishedAt": "2015-12-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "YOKOHAMA RUBBER CO LTD [JP]"
  ],
  "textContent": "Provided is a rubber composition for a tire tread containing: a diene rubber; silica in an amount of from 60 to 200 parts by mass per 100 parts by mass of the rubber; a polysiloxane represented by the average composition formula: (A)(B)(C)(D)(R)SiO [in the formula, A represents a divalent sulfide group-containing organic group, B represents a monovalent hydrocarbon group having from 5 to 10 carbon atoms, C represents a hydrolyzable group, D represents a mercapto group-containing organic group, Rrepresents a monovalent hydrocarbon group having from 1 to 4 carbon atoms, and a to e satisfy the relational formulae 0 ≦ a < 1, 0 ≦ b < 1, 0 < c < 3, 0 < d < 1, 0 ≦ e < 2, and 0 < 2a + b + c + d + e < 4, provided that either a or b is not 0]; and an alkyl triethoxysilane having an alkyl group with from 7 to 20 carbon atoms. Also provided is a pneumatic tire using this rubber composition in the tire tread.",
  "title": "RUBBER COMPOSITION FOR TIRE TREAD, AND PNEUMATIC TIRE USING SAME"
}