Disposal of Polymers (Cambridge (CIE) AS Chemistry)
Revision Note
Disposal of Polymers
Poly(alkenes) are extremely important in everyday life, such as their use as plastics
However, the disposal of these polymers is problematic
Poly(alkenes) are very large alkane molecules which are unreactive and therefore do not undergo any chemical reactions; they are resistant to chemical attack
Due to their unreactivity, polymers are non-biodegradable and take up to hundreds of years to decompose when dumped in landfill sites
Throwing away poly(alkenes) therefore causes long-term pollution of the environment
Burning the polymers results in harmful combustion products which again cause the pollution of the environment
Examiner Tips and Tricks
The disposal of polymers is a challenge due to their unreactivity, their non-biodegradability, and the formation of harmful combustion products when burnt
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