{
  "$type": "site.standard.document",
  "description": "A conjugated diene rubber composition for use in tires which comprises: (i) 2 to 100 parts by weight of a high-cis conjugated diene polymer which is a polymer of a conjugated diene monomer alone or with a copolymerizable monomer of another kind and has a cis bond unit content of 40% or higher based…",
  "path": "/patents/1109138",
  "publishedAt": "2001-10-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "NIPPON ZEON CO [JP]"
  ],
  "textContent": "A conjugated diene rubber composition for use in tires which comprises: (i) 2 to 100 parts by weight of a high-cis conjugated diene polymer which is a polymer of a conjugated diene monomer alone or with a copolymerizable monomer of another kind and has a cis bond unit content of 40% or higher based on the conjugated diene monomer units and a weight-average molecular weight (Mw) of 20,000 to 10,000,000, and in which the ratio (Mw/Mn) of the weight-average molecular weight (Mw) to the number-average molecular weight (Mn) and the weight-average molecular weight (Mw) satisfy the following relationship 1: log(Mw/Mn)",
  "title": "CONJUGATED DIENE RUBBER COMPOSITION FOR TIRE USE AND TIRE"
}