Chemistry: Polymers

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8 Terms

1
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What are polymers?

large molecules built by joining hundreds smaller molecules called monomers to form long chains.

2
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What are plastics?

synthetic polymer

3
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What is a monomer?

A single subunit which when joined together form a polymer together.

4
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What is addition polymerization?

Formation of polymer by chain addition reactions between monomers that contain an unsaturated bond

many monomers are added together

<p><span style="color: rgb(0, 0, 0);"><span>Formation of polymer by chain addition reactions between monomers that contain an unsaturated bond</span></span></p><p><span style="color: rgb(0, 0, 0);"><span>many monomers are added together</span></span></p>
5
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How do you draw addition polymerization?

1. Draw two C atoms that were in
the double bond with a single
covalent bond.

2. Draw the brackets and the ‘n’.

3. Add the links outside the brackets.

4. Add the atoms /groups that were
attached to each C atom of the double
bond.

<p><span style="color: rgb(0, 0, 0);"><span>1. Draw two C atoms that were in</span></span><span style="color: rgb(0, 0, 0);"><br></span><span style="color: rgb(0, 0, 0);"><span>the double bond with a single</span></span><span style="color: rgb(0, 0, 0);"><br></span><span style="color: rgb(0, 0, 0);"><span>covalent bond.</span></span></p><p><span style="color: rgb(0, 0, 0);"><span>2. Draw the brackets and the ‘n’.</span></span></p><p><span style="color: rgb(0, 0, 0);"><span>3. Add the links outside the brackets.</span></span></p><p><span style="color: rgb(0, 0, 0);"><span>4. Add the atoms /groups that were</span></span><span style="color: rgb(0, 0, 0);"><br></span><span style="color: rgb(0, 0, 0);"><span>attached to each C atom of the double</span></span><span style="color: rgb(0, 0, 0);"><br></span><span style="color: rgb(0, 0, 0);"><span>bond.</span></span></p>
6
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What are the issues with synthetic polymers?

Non-biodegradable and produce toxic gases when burnt.

7
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What does biodegradable mean?

A substance that can be naturally broken down by micro-organisms

8
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What are biodegradable plastics?

Plastics designed to be broken down (decomposed) by bacteria