The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 17, 2017
Filed:
Aug. 30, 2016
The Goodyear Tire & Rubber Company, Akron, OH (US);
Liqing Ma, Uniontown, OH (US);
Margaret McGuigen Vielhaber, Kent, OH (US);
The Goodyear Tire & Rubber Company, Akron, OH (US);
Abstract
The present invention is directed to a functionalized elastomer comprising the reaction product of a living elastomeric polymer and a polymerization terminator of formula I, wherein the functionalized elastomer comprises repeat units of a diene monomer and optionally a vinyl aromatic monomer, and the functionalized elastomer comprises at least 92 percent by weight of cis 1,4 microstructure content based on the weight of the polydiene content of the functionalized elastomer wherein Ris C1 to C4 linear alkyl, or C1 to C4 branched alkanediyl; X, X, Xare independently O, S, or a group of formula (II) or (III) where Ris C1 to C18 linear or branched alkyl; Z is R, —OR, or —R—X; R, Rare independently C1 to C18 linear or branched alkyl; Ris C1 to C18 alkanediyl or dialkyl ether diyl; Xis halogen or a group of structure IV, V, VI, VII or VIII wherein R, R, R, R, and Rare independently H or C1 to C8 alkyl; Ris C2 to C8 alkanediyl; Rand Rare independently H, aryl or C1 to C8 alkyl;Q is N or a group of structure IX wherein Ris C1 to C8 alk.