{
  "$type": "site.standard.document",
  "description": "Provided are sealant rubber compositions which have excellent fracture properties and good sealing performance after aging, as well as pneumatic tires (self-sealing tires) including the rubber compositions. Included are sealant rubber compositions containing 100 parts by mass of at least one…",
  "path": "/patents/1412534",
  "publishedAt": "2022-11-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B29C73/163",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "Provided are sealant rubber compositions which have excellent fracture properties and good sealing performance after aging, as well as pneumatic tires (self-sealing tires) including the rubber compositions. Included are sealant rubber compositions containing 100 parts by mass of at least one butyl-based rubber, 0.5 to 3 parts by mass of at least one thiourea crosslinking agent of formula (I), 1 to 10 parts by mass of at least one thiazole vulcanization accelerator and/or thiuram vulcanization accelerator, and 100 to 300 parts by mass of at least one liquid polymer.",
  "title": "SEALANT RUBBER COMPOSITION AND PNEUMATIC TIRE"
}