{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "A conjugated diene-based polymer of the present invention has an absolute molecular weight measured by viscosity detector-equipped GPC-light scattering measurement, of 40 x 10 or more and 5000 x 10 or less, has a branching number (Bn) measured by the viscosity detector-equipped GPC-light scattering…",
  "path": "/patents/1419267",
  "publishedAt": "2023-09-06T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "ASAHI CHEMICAL IND [JP]"
  ],
  "textContent": "A conjugated diene-based polymer of the present invention has an absolute molecular weight measured by viscosity detector-equipped GPC-light scattering measurement, of 40 x 10 or more and 5000 x 10 or less, has a branching number (Bn) measured by the viscosity detector-equipped GPC-light scattering measurement, of 8 or more, and has a modification ratio of 60% by mass or more.",
  "title": "CONJUGATED DIENE-BASED POLYMER, BRANCHING AGENT, PRODUCTION METHOD FOR CONJUGATED DIENE-BASED POLYMER, EXTENDED CONJUGATED DIENE-BASED POLYMER, RUBBER COMPOSITION, AND TIRE"
}