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What
separates biodegradable plastics from their more long-lived
cousins are polymers. Plastics based on natural plant
polymers, derived from wheat or corn starches, have
molecules that are easily broken down by microbes; traditional
plastics have polymer molecules too large and too tightly
bonded together to be broken apart by decomposer organisms.
The
technology used in our corn plastic products allows
abundant annually renewable resources like ordinary
field maize to replace finite ones (petroleum) in everyday
products, such as food packaging, bottles, disposable
serviceware etc. The process to produce the polyactides
(PLA) essentially harvests the starch stored in natural
plant sugars. The sugar is then fermented into lactic
acid, which is used to create a clear plastic that can
be shaped as required.
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