Condensation polymerisation
I can explain the basic principles of condensation polymerisation.
Condensation polymerisation
I can explain the basic principles of condensation polymerisation.
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Lesson details
Key learning points
- Condensation polymerisation requires monomers with two functional groups.
- Condensation polymers can be made of two different monomers.
- A polyester is formed by reaction of a monomer with two carboxylic acid groups with a monomer with two alcohol groups.
- In condensation polymerisation as well as the polymer a small molecule is formed, usually water.
- Amino acids contain two functional groups and can form polypeptides and proteins.
Keywords
Condensation polymerisation - Condensation polymerisation is a type of polymerisation where monomers join together to form a polymer and a small molecule such as water.
Addition polymerisation - Addition polymerisation is a type of polymerisation where monomers with a C=C double bond join together to form only one product, a polymer.
Polyesters - Polyesters are condensation polymers formed from monomers containing carboxylic acid and alcohol groups. They contain ester bonds.
Polyamides - Polyamides are condensation polymers formed from monomers containing carboxylic acid and amine groups. They contain amide bonds.
Polypeptides - Polypeptides are condensation polymers formed from amino acids. They contain peptide bonds.
Common misconception
Thinking that all polymers are only made up of one monomer. Also, confusing condensation reactions to think that it means to condense and take up less space.
Examples are shown where more than one monomer is used to make condensation polymers. Discuss what condensation is, and how condensation polymerisation produces water or other small molecules depending on the monomers used.
To help you plan your year 11 chemistry lesson on: Condensation polymerisation, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 11 chemistry lesson on: Condensation polymerisation, download all teaching resources for free and adapt to suit your pupils' needs.
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Starter quiz
6 Questions
Exit quiz
6 Questions
