Production of with maleic anhydride modified butyl rubber, and use thereof

摘要

Process for the manufacture of maleic anhydride modified butyl rubber, comprising reacting a halogenated butyl rubbers with maleic anhydride in the presence of (i) an acid acceptor and (ii) a monofunctional hindered amine and / or mono function ellem hindered phenol. It can be further comprising a nitrogen-containing heterocyclic compound modifying for the formation of a modified butyl rubbers with improved processability.