A sustainable alternative to polystyrene has been developed by the Biopolymer Network. Zealafoam, an environmentally-friendly polylactic acid foam is a sustainable alternative to petroleum-based polystyrene. Under development for the past nine years, Zealafoam is being tested by a large US global company for an, as yet, undisclosed product.
The bio-based plastic used in Zealafoam is derived from corn starch and the novel patented process involves introducing CO2 as a blowing agent which expands the small bioplastic beads so they can be moulded into different shapes and products. One of its main benefits is that Zealafoam can be produced on the same machinery used to make polystyrene.
17-Jul-15 
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