{
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  "description": "A conjugated diene copolymer has a covalent bond reversibly dissociated and added by heat, and has at least two peaks in each of curves of molecular weight distributions measured at 40°C and 60°C by gel permeation chromatography, wherein a change rate of the proportion of the area of the peak…",
  "path": "/patents/1413448",
  "publishedAt": "2026-02-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08C19/20",
    "ZEON CORP [JP]"
  ],
  "textContent": "A conjugated diene copolymer has a covalent bond reversibly dissociated and added by heat, and has at least two peaks in each of curves of molecular weight distributions measured at 40°C and 60°C by gel permeation chromatography, wherein a change rate of the proportion of the area of the peak having the lowest molecular weight in measurement at 60°C to the proportion of the area of the peak having the lowest molecular weight in measurement at 40°C.",
  "title": "CONJUGATED DIENE COPOLYMER AND METHOD FOR MANUFACTURING CONJUGATED DIENE COPOLYMER"
}