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Biodegradable plastics from Cornstarch
28/Aug/2006: Cereplast, A california based company says that they have a way to produce things like forks, knives, cups, food packages and other items out of plastic derived from cornstarch, rather than from petroleum-based compounds.
Because Cereplast's plastic is composed of organic material, the items made from it will dissolve in a compost pile in 180 days or less, Scheer said.
In a landfill, a plate made from Cereplast's material might take two or three years to decompose, But compare that to regular plastic, which can take 100 years or more. Just as important, the stuff may be cheaper, thanks to improved technology and rising gas prices.
A pound of Cereplast's resin sells for around 58 to 60 cents. A pound of petroleum-based polystyrene, meanwhile, sells for around 60 cents.
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