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REVISION CARDS - BIODEGRADABLE PLASTICS | ||
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BIOPOL BIODEGRADABLE PLASTIC Biopol is the brand name for PHB. It is an environmentally friendly polymer. It is processed through the fermentation of corn and soya.
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EXAMPLE BIOPOL PRODUCTS Some Biopol products are shown below.
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ADVANTAGES OF BIOPOL Environmentally friendly, does not cause pollution. Biopol products degrade after a few months in soil. Biopol is a completely non-toxic material. It is manufactured from a renewable source (plants). DISADVANTAGES OF BIOPOL More expensive to produce than fossil fuel plastics. Has a low resistance to acids and bases, including bleach, restricting its use as packaging. Biopol does not resist knocks and drops as well as other fossil fuel based plastics. It takes longer to ferment than plastics processed from, fossil fuels such as oil.
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