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Bio-degradable cigarette filters

Eastman Chemical has developed a treatment that, it claims, helps to make discarded cigarette filters degrade.

The company from Kingsport, Tennessee, USA, suggests treating the acetate fibres which are commonly used to make the filters with a water-soluble mixture of polymers, such as polyethylene glycol, and a plasticizer, such as glycerol triacetate. If the filter is then wrapped in a water-soluble paper it may dissolve rapidly...

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Page no: 9 Approx no of words: 100

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