{
  "$type": "site.standard.document",
  "description": "The present invention is directed to a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula I where n is an integer from 1 to 3; X is a tetravalent organic group selected from a hydrocarbyl group of formula…",
  "path": "/patents/1264215",
  "publishedAt": "2020-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08F236/10",
    "The Goodyear Tire & Rubber Company"
  ],
  "textContent": "The present invention is directed to a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula I where n is an integer from 1 to 3; X is a tetravalent organic group selected from a hydrocarbyl group of formula CHwhere m is an integer from 1 to 10, a group of formula II where Ris C1 to C10 alkane diyl, and the group of phenyl diyl; Rand Rare independently selected from C1 to C10 alkyl, and a group of formula III where R, Rare independently C1 to C10 alkyl, and Ris C1 to C10 alkanediyl; or Rand Rtaken together with their common Si atom form a five-membered heterocyclic ring selected from formulas IV and V where R7 is from C1 to C10 alkyl.",
  "title": "FUNCTIONALIZED POLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE"
}