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

Kevin L. Sánchez-Rivera,Aurora del Carmen Munguía-López,Panzheng Zhou,Victor S. Cecon,Jiuling Yu,Kevin Nelson,Daniel Miller,Steve Grey,Zhuo Xu,Ezra Bar-Ziv,Keith L. Vorst,Greg W. Curtzwiler,Reid C. Van Lehn,Victor M. Zavala,George W. Huber

Resources, Conservation and Recycling（2023）

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摘要

•PE, EVOH, and PET can be recovered from a printed multilayer plastic film by STRAP.•The recovered polymers had comparable properties to the pure resins.•Color removal from PET was observed with biomass-derived gamma-valerolactone (GVL).•The process could be economically feasible at a processing capacity of 6,000 tons/year.•Environmental impacts related to plastic film production could be reduced by utilizing STRAP polymers.

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关键词

Recycling,Dissolution,Plastic,Polymer,Economics,Environmental

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