{
  "$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 X is Cl, Br, or I; m is an integer from 0 to 2, n is an integer from 1 to 3, with the proviso that n+m=3; R…",
  "path": "/patents/1264217",
  "publishedAt": "2020-06-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C08F293/005",
    "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 X is Cl, Br, or I; m is an integer from 0 to 2, n is an integer from 1 to 3, with the proviso that n+m=3; R, Rare independently C1 to C18 alkyl, aryl, or a combination thereof, or R, Rare independently —SiRwhere R is independently alkyl, aryl, alkoxy, or disubstituted amino, or Rand Rtaken together with their common nitrogen atom and optionally a sulfur or oxygen heteroatom to form a five to eight membered ring; Ris hydrogen, or C1 to C18 alkyl, aryl, or a combination thereof, or Ris —SiRwhere R is independently alkyl, aryl, alkoxy, or disubstituted amino, or Ris —R—R, where Ris C1 to C3 alkanediyl and Ris selected from the following structures —S—Z, —N(R)(R), —O(Y), or Si(OR), where Rand Rare independently C1 to C18 alkyl, aryl, or a combination thereof, Y and Z are independently selected from the group consisting of methoxymethyl, tetrahydropyranyl, tetrahydrothiopyranyl, tetrahydrofuranyl, tert-butyl, allyl, 1-ethoxyethyl, benzyl, triphenylmethyl, triethylsilyl, triisopropylsilyl, trimethylsilyl, tert-butyl dimethyl silyl, tert-butyl diphenyl silyl, and isopropyldimethylsilyl, and Rare independently C1 to C4 alkyl; or when m=1, the polymerization terminator may have the formula II where R, Rare independently C1 to C18 alkyl, aryl, or a combination thereof, or R, Rare independently —SiRwhere R is independently alkyl, aryl, alkoxy, or disubstituted amino, X and Rare as defined previously, and k is an integer from 0 to 10.",
  "title": "FUNCTIONALIZED POLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE"
}