Carné Sánchez , Arnau and Collinson, Simon R.
(2011).
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| DOI (Digital Object Identifier) Link: | http://dx.doi.org/10.1016/j.eurpolymj.2011.07.013 |
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Abstract
The glycolysis of postconsumer polyethylene terephthalate (PET) waste was evaluated with catalysts of zinc acetate, zinc stearate and zinc sulfate, showing that zinc acetate was the most soluble and effective. The chemical recycling by solvolysis of polylactic acid (PLA) and PET waste in either methanol or ethanol was investigated. Zinc acetate as a catalyst was found to be necessary to yield an effective depolymerization of waste PLA giving lactate esters, while with the same reaction conditions PET remains as an unconverted solid. This provides a strategy to selectively recycle mixed plastic waste by converting one plastic to a liquid and recovering the unreacted solid plastic by filtration.
| Item Type: | Journal Article | |||||||||
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| Copyright Holders: | 2011 Elsevier Ltd | |||||||||
| ISSN: | 1873-1945 | |||||||||
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| Extra Information: | NOTICE: this is the author’s version of a work that was accepted for publication in European Polymer Journal. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in European Polymer Journal 47(10) 2011 10.1016/j.eurpolymj.2011.07.013 | |||||||||
| Keywords: | polyethylene terephthalate; polylactic acid; recycling; catalyst, glycolysis; mixed plastic waste | |||||||||
| Academic Unit/Department: | Science > Life, Health and Chemical Sciences | |||||||||
| Item ID: | 31292 | |||||||||
| Depositing User: | Simon Collinson | |||||||||
| Date Deposited: | 20 Jan 2012 10:43 | |||||||||
| Last Modified: | 23 Oct 2012 18:24 | |||||||||
| URI: | http://oro.open.ac.uk/id/eprint/31292 |
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