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 R 1 is C1 to C4 linear alkyl, or C1 to C4 branched alkanediyl; X 1 , X 2 , X 3 are independently O, S, or a group of formula (II) or (III) where R 2 is C1 to C18 linear or branched alkyl; Z is R 3 , -OR 4 , or -R 5 -X 4 ; R 3 , R 4 are independently C1 to C18 linear or branched alkyl; R 5 is C1 to C18 alkanediyl or dialkyl ether diyl; X 4 is halogen or a group of structure IV, V, VI, VII or VIII wherein R 6 , R 7 , R 8 , R 9 , and R 10 are independently H or C1 to C8 alkyl; R 11 is C2 to C8 alkanediyl; R 12 and R 13 are independently H, aryl or C1 to C8 alkyl; Q is N or a group of structure IX wherein R 14 is C1 to C8 alkyl.
FUNCTIONALIZED POLYMER, RUBBER COMPOSITION, AND PNEUMATIC TIRE
FUNKTIONALISIERTES POLYMER, GUMMIZUSAMMENSETZUNG UND LUFTREIFEN
POLYMÈRE FONCTIONNALISÉ, COMPOSITION DE CAOUTCHOUC ET PNEU
2019-08-28
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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