Provided are methods for producing a thermoplastic vulcanizate and thermoplastic vulcanizates provided therein. The method includes introducing vulcanizable rubber, thermoplastic resin, a masterbatch of a propylene-based elastomer and a cure accelerator for a phenolic resin curative to the reactor, and phenolic resin curative to a reactor and dynamically vulcanizing the rubber with the phenolic resin curative in the presence of the cure accelerator and the thermoplastic resin.