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This Plastic Is Made From Milk and It Vanishes in 13 Weeks

Scientists at Flinders University have created a thin, flexible film from calcium caseinate – the main protein in milk – blended with modified starch, bentonite nanoclay, glycerol and polyvinyl alcohol. Laboratory tests show the material breaks down completely in ordinary soil within 13 weeks, offering a fast‑degrading alternative to conventional single‑use plastics. The formulation delivers mechanical strength and barrier performance comparable to traditional packaging while remaining non‑toxic. The project was conducted in partnership with Colombian researchers, highlighting international collaboration on sustainable polymer development.