Salt of carboxylic acid containing N-substituted succinimide thio group and unvulcanized rubber composition containing the same

摘要

A salt of carboxylic acid containing N-substituted succinimide thio group having the formula (I):; wherein R is a C₁ to C₂₀ organic group selected from the group consisting of alkyl groups, cycloalkyl groups, aryl groups, and alkaryl groups; X is a C₁ to C₂₀ organic group selected from the group consisting of alkylene groups, cycloalkylene groups, arylene groups, alkarylene groups, and heterocyclic groups, X may have a substituent group or groups; M is a metal selected from the group consisting of alkaline metal, alkaline earth metal and transition metals belonging to Groups IB and IIB of the Periodic Table; n is equal to the absolute value of the ionic value of the metal M and an integer of 1 or 2.