{
  "$type": "site.standard.document",
  "description": "A method for the synthesis of an elastomer comprising the steps of polymerizing conjugated diene monomer in presence of at least one rare earth transition metal catalyst system to generate a polydiene cement; terminating the polydiene cement with a protic organic compound; connecting polymer chains…",
  "path": "/patents/1378389",
  "publishedAt": "2026-02-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08F36/06",
    "The Goodyear Tire & Rubber Company"
  ],
  "textContent": "A method for the synthesis of an elastomer comprising the steps of polymerizing conjugated diene monomer in presence of at least one rare earth transition metal catalyst system to generate a polydiene cement; terminating the polydiene cement with a protic organic compound; connecting polymer chains by reacting (1) a compound containing sulfur and a halogen with (2) an hydroxyethyl alkenyl ether/hydroxypropyl alkenyl ether; and adding a product of the reaction to the cement to generate a polydiene rubber.",
  "title": "METHOD FOR COLD FLOW REDUCTION OF ELASTOMERS"
}