Cast Film Production with Polyethylene Recycled from a Post-Industrial Printed Multilayer Film by Solvent-Targeted Recovery and Precipitation
Source abstract
Abstract
The solvent-targeted recovery and precipitation (STRAP) process separates and recovers the constituent resins in multilayer plastic packaging films by selective polymer dissolution. In this work, three different experimental methods were considered to recover a polyethylene (PE) resin from a printed multilayer film by STRAP. The methods consisted of (1) a filter bag system, (2) a Soxhlet extraction, and (3) a jacketed dissolution vessel. Cast films were produced with the PE recovered from each method and were analyzed for color, mechanical properties, and number of impurities. High-quality recycled PE cast films can be produced by increasing the solvent to plastic ratio, including a filter pore size of 100 μm, and optimizing temperature control in STRAP. This study demonstrates that STRAP polymers can be recycled back into plastic films, enabling the potential circularity of these packaging materials.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Microplastics and Plastic Pollution · Recycling and Waste Management Techniques · Polymer crystallization and properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
Department of Forest, Rangeland and Fire Sciences, University of Idaho, Moscow, Idaho 83844, United States
Amcor, Neenah Innovation Center, Neenah, Wisconsin 54956, United States
Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, Wisconsin 53715, United States
Department of Mechanical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
Funding
Office of Energy Efficiency and Renewable Energy
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