Room-temperature co-upcycling of polyvinyl chloride and polypropylene

Abstract

Paper summary generated by OpenAI: This study presents a novel approach for the room-temperature co-upcycling of polyvinyl chloride (PVC) and polypropylene (PP), addressing the challenges posed by chlorine release during PVC processing. Utilizing chlorine-resistant ionic liquids, specifically butylpyridinium chloride-aluminium chloride, the researchers successfully dechlorinate PVC while simultaneously depolymerizing the PP-PVC mixture into chlorine-free liquid hydrocarbons. The process operates under mild conditions, yielding up to 97.4 wt% of carbon and hydrogen from the feed mixture, and produces hydrogen chloride as a byproduct. This method enhances the sustainability of plastic waste management and promotes the circular economy by facilitating the efficient reuse of mixed plastic waste.