Scientists from Berkeley Lab have managed to engineer E. coli bacteria to transform sugar from plants into the raw materials needed for biorenewable plastics, called PDKs. This new type of plastic can be efficiently recycled continuously without issue, thus opening the door to replacing petrochemicals with this bio alternative.
Traditional plastics can’t be recycled, but PDK repeatedly deconstructed and then formed into new products with no loss in quality. Potential applications include adhesives, computer cables, watch bands, building materials, and rigid plastics made through a curing process (sports gear, automotive bumpers, etc.). Humans globally produce about 400 million tons of plastic waste every year, and that number is expected to climb to more than 1 billion tons by 2050, according to the United Nations Environment Program.
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We’ve demonstrated that the pathway to 100% bio-content in recyclable plastics is feasible. You’ll see that from us in the future. This is the first time that bioproducts have been integrated to make a PDK that is predominantly bio-based,” said Jeremy Demarteau, a project scientist on the team contributing to biopolymer development.
