Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Recycling of a post-industrial printed multilayer plastic film containing polyurethane inks by solvent-targeted recovery and precipitation

Journal Article · · Resources, Conservation and Recycling
 [1];  [1];  [1];  [2];  [1];  [3];  [3];  [3];  [4];  [5];  [2];  [2];  [1];  [1];  [1]
  1. University of Wisconsin, Madison, WI (United States)
  2. Iowa State University, Ames, IA (United States)
  3. Amcor, Neenah Innovation Center, WI (United States)
  4. University of Wisconsin, Madison, WI (United States); Michigan Technological University, Houghton, MI (United States)
  5. Michigan Technological University, Houghton, MI (United States)
The recently reported Solvent-Targeted Recovery And Precipitation (STRAP) strategy is used to deconstruct multilayer plastic packaging films into their constituent resins by selective polymer dissolution. To broaden the applicability of STRAP, we demonstrate the process with a flexible post-industrial printed multilayer plastic film used for food packaging. The material was a reverse printed film composed of polyethylene (PE), ethylene vinyl alcohol (EVOH), polyethylene terephthalate (PET), and polyurethane (PU)-based inks. Removal of all colors was observed with biomass-derived gamma-valerolactone (GVL) and the recovered polymers possessed comparable properties to the corresponding virgin resins. A technoeconomic analysis indicates that this STRAP process could be economically feasible at a processing capacity of 6,000 tons per year. Furthermore, the production of plastic films with materials recovered by this STRAP process can have a lower climate change impact than the production of films from virgin polymers.
Research Organization:
University of Wisconsin, Madison, WI (United States)
Sponsoring Organization:
USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO)
Grant/Contract Number:
EE0009285
OSTI ID:
2475634
Alternate ID(s):
OSTI ID: 2067636
Journal Information:
Resources, Conservation and Recycling, Journal Name: Resources, Conservation and Recycling Vol. 197; ISSN 0921-3449
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (37)

Fast solvent screening via quantum chemistry: COSMO-RS approach journal February 2002
Reducing Antisolvent Use in the STRAP Process by Enabling a Temperature‐Controlled Polymer Dissolution and Precipitation for the Recycling of Multilayer Plastic Films journal September 2021
Computational Approach for Rapidly Predicting Temperature‐Dependent Polymer Solubilities Using Molecular‐Scale Models journal July 2021
Prediction of aqueous solubility of drugs and pesticides with COSMO-RS journal January 2002
Hildebrand and Hansen solubility parameters from Molecular Dynamics with applications to electronic nose polymer sensors journal January 2004
A Study on Recycled Polymers Recovered from Multilayer Plastic Packaging Films by Solvent‐Targeted Recovery and Precipitation (STRAP) journal August 2022
Use of surfactants to remove solvent-based inks from plastic films journal November 2003
The ecoinvent database version 3 (part I): overview and methodology journal April 2016
Self-assembly of cetyl trimethylammonium bromide in ethanol-water mixtures journal December 2006
Deinking of water‐based ink printing from plastic film using nonionic surfactants journal October 2002
Solvent-based separation and recycling of waste plastics: A review journal October 2018
Removal of solvent-based ink from printed surface of high-density polyethylene bottles by alkyltrimethylammonium bromides: Effects of pH, temperature, and salinity journal April 2007
Comparison between three predictive methods for the calculation of polymer solubility parameters journal January 2013
Understanding the complexity of deinking plastic waste: An assessment of the efficiency of different treatments to remove ink resins from printed plastic film journal June 2023
Analysis of the kinetics, energy balance and carbon footprint of the delamination of multilayer flexible packaging films via carboxylic acids journal June 2022
The delamination of metalized multilayer flexible packaging using a microperforation technique journal February 2023
Analysing the potential of the selective dissolution of elastane from mixed fiber textile waste journal April 2023
Life cycle environmental impacts of chemical recycling via pyrolysis of mixed plastic waste in comparison with mechanical recycling and energy recovery journal May 2021
Plastic flexible films waste management – A state of art review journal July 2018
100th Anniversary of Macromolecular Science Viewpoint: Needs for Plastics Packaging Circularity journal September 2020
BioSTEAM: A Fast and Flexible Platform for the Design, Simulation, and Techno-Economic Analysis of Biorefineries under Uncertainty journal January 2020
Solubility parameters journal December 1975
Density and Molar Volume Predictions Using COSMO-RS for Ionic Liquids. An Approach to Solvent Design journal August 2007
Conductor-like Screening Model for Real Solvents: A New Approach to the Quantitative Calculation of Solvation Phenomena journal February 1995
Predictive screening of ionic liquids for dissolving cellulose and experimental verification journal January 2016
Application of switchable hydrophilicity solvents for recycling multilayer packaging materials journal January 2017
The green platform molecule gamma-valerolactone – ecotoxicity, biodegradability, solvent properties, and potential applications journal January 2021
Biomass-derived γ-valerolactone: efficient dissolution and accelerated alkaline hydrolysis of polyethylene terephthalate journal January 2021
Delamination of polyamide/polyolefin multilayer films by selective glycolysis of polyurethane adhesive journal January 2022
Bio-based solvents for polyolefin dissolution and membrane fabrication: from plastic waste to value-added materials journal January 2023
Quantifying the environmental benefits of a solvent-based separation process for multilayer plastic films journal January 2023
Large-scale computational polymer solubility predictions and applications to dissolution-based plastic recycling journal January 2023
Production, use, and fate of all plastics ever made journal July 2017
The future of plastics recycling journal November 2017
COSMO-RS: An Alternative to Simulation for Calculating Thermodynamic Properties of Liquid Mixtures journal June 2010
γ-Valerolactone as Bio-Based Solvent for Nanofiltration Membrane Preparation journal May 2021
Recycling of Polymer-Based Multilayer Packaging: A Review journal December 2017