Difference between revisions of "Polymerisation"
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Revision as of 15:22, 19 January 2019
Key Stage 4
Meaning
Polymerisation is a chemical reaction in which small molecules known as monomers react to form a polymer.
About Polymerisation
Polymerisation may happen between:
- Identical monomers - Alkenes to Polyalkenes
- Two different monomers with complimantary functional groups at each end. - Esters to Polyesters
- Several different monomers of a homologous series - Peptides to Polypeptides.
Examples
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| Ethene monomers can react together in an Addition Polymerisation reaction. | Polythene (sometimes spelled Polyethene) is formed. |
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| Tetrafluoroethene monomers can react together in an Addition Polymerisation reaction. | Polytetrafluoroethene (sometimes referred to as PTFE or by a trademark TeflonTM) is formed. |
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| Propene monomers can react together in an Addition Polymerisation reaction. | Polypropene is formed. |
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| Ethandioate and Ethandiol can react together in a Condensation Polymerisation. | A Polyester is formed along with Water. |
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| Glucose molecules react together in a condensation polymerisation reaction. | Starch is formed along with Water. |
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| Glycine molecules react together in a condensation polymerisation reaction. | A Polypeptide (Protein) is formed along with Water. In reality Polypeptides are made of many different Peptides (Amino Acids) rather than the same one repeated. |