A functionalized elastomer is disclosed comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula Iwherein R1is a C1 to C4 linear alkanediyl, or a C1 to C4 branched alkanediyl; X1, X2, X3in formula I may be independently O, S, a group of formula II, or a group of formula III;where R2is a C1 to C18 linear or branched alkyl; and Z is -R3-CH=CH-R4, where R3is a covalent bond or a C1 to C18 linear or branched alkanediyl, and R4is a hydrogen or a C1 to C18 linear or branched alkyl.
Functionalized polymer, rubber composition and pneumatic tire
2021-03-16
Patent
Electronic Resource
English
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C07F Acyclische, carbocyclische oder heterocyclische Verbindungen, die andere Elemente als Kohlenstoff, Wasserstoff, Halogen, Sauerstoff, Stickstoff, Schwefel, Selen oder Tellur enthalten , ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM / 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 |
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