Solvent-free technology from biomolecular engineers at Australia's University of Sydney may shake up the biodegradable polymer industry, according to this article. The carbon dioxide-based polypropylene carbonate polymers created could be used in recyclable shopping bags and even medical implants while reducing reliance on fossil fuels. The new polymers also solve some of the problems associated with commercial production of sustainable bioplastic PPC starch, the researchers say.

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