Phenolic compounds as chain-terminators for the anionic solution polymerization of dienes

摘要

Compounds of formula I <IMAGE> wherein n is 0 to 3, R1 and R2 are C1-C12alkyl, C5-C8cycloalkyl or -CH2SR3, R3 is C1-C18alkyl, phenyl or benzyl, and R4 is hydrogen or CH3, are admirably suitable as chain-terminators in the anionic solution polymerisation of 1,3-dienes.