{
  "$type": "site.standard.document",
  "description": "High molecular weight, linear, neodymium-catalyzed polybutadiene comprising a high proportion of cis-1,4-units (more than 95%), a low proportion of 1,2-vinyl content (less than 1%) and a low molar mass distribution index, is new. The polybutadiene exhibits a Mooney viscosity of (ML 1 + 4100[deg] C)…",
  "path": "/patents/1013640",
  "publishedAt": "2011-04-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "A63B37/0003",
    "LANXESS DEUTSCHLAND GMBH [DE]"
  ],
  "textContent": "High molecular weight, linear, neodymium-catalyzed polybutadiene comprising a high proportion of cis-1,4-units (more than 95%), a low proportion of 1,2-vinyl content (less than 1%) and a low molar mass distribution index, is new. The polybutadiene exhibits a Mooney viscosity of (ML 1 + 4100[deg] C) of 70-90 and the molar mass distribution index of less than 10. An independent claim is also included for preparing the high molecular weight neodymium-catalyzed polybutadiene.",
  "title": "Neodym-catalysed polybutadiene"
}