The present invention is directed to a functionalized polymerization initiator of formula Iwhere R1 and R2 are independently selected to be hydrogen or a C1 to C8 alkyl; R3, R4, and R5 are independently selected to be a C1 to C8 alkyl or C6 to C14 aryl or a structure of formula IIwhere R6, R7 are independently selected to be a C1 to C8 alkyl or a C6 to C14 aryl. Also disclosed is a method of making a functionalized polymerization initiator and a method of making a functionalized elastomer. Further, a functionalized elastomer made by this method, a rubber composition comprising the functionalized elastomer and a pneumatic tire comprising the rubber composition is disclosed.
FUNCTIONALIZED INITIATOR, METHOD OF MAKING AN INITIATOR AND FUNCTIONALIZED ELASTOMER
FUNKTIONALISIERTER INITIATOR, VERFAHREN ZUR HERSTELLUNG EINES INITIATORS UND FUNKTIONALISIERTES ELASTOMER
INITIATEUR FONCTIONNALISÉ, PROCÉDÉ DE FABRICATION D'UN INITIATEUR ET ÉLASTOMÈRE FONCTIONNALISÉ
2024-01-31
Patent
Electronic Resource
English
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