Consumers increasingly expect and demand sustainable products without trade-offs in performance or cost. Concerned companies, like P&G, have established long-term sustainability goals that include the use of large percentages of recycled resins in their products and packaging. To satisfy consumers’ expectations and achieve companies’ goals, P&G has developed a novel purification technology that converts contaminated recycled polyolefins (PP and PE) into virgin-like resins.<br/><br/>The proprietary technology is based on the use of an alkane solvent at elevated temperature and pressure, and a novel combination of standard chemical engineering unit operations, such as liquid–liquid extraction, sedimentation, size exclusion and adsorbent filtrations, and devolatilization. These processes purify the recycled polyolefins via removal of odor, volatile organic chemicals, and other organic and particulate contaminants and additives. One of the key components of the overall dissolution technologies is the phase behavior of polyolefins in alkane solvents, which will be discussed extensively in this presentation.

Dissolution recycling of polyolefins: Phase behavior of polyolefins in alkane solvents

Fall 2022 abstracts, posters, and presentations will launch in mid-September.

ACS Fall 2022

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.