Condensation Polymers (HSC SSCE Chemistry): Flashcards

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Condensation Polymers
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Small molecule eliminated in condensation polymerisation

Water (H2O\text{H}_2\text{O})

Two main types of synthetic condensation polymers

Polyesters and polyamides (nylons)

Linkage type in polyesters

Ester linkages (—CO—O——\text{CO}—\text{O}—)

Linkage type in polyamides

Amide linkages (—CO—NH——\text{CO}—\text{NH}—)

Alternative name for amide linkage in proteins

Peptide link

Most well-known synthetic polyamide

Nylon

PET plastic property (melting and reshaping)

Thermoplastic (can be repeatedly melted and reshaped)

Nylon naming reflects this about monomers

Number of carbon atoms in the monomer molecules

Disadvantage of polyester fabrics

Susceptible to damage from acids and alkalis

Where functional groups needed on monomers for condensation

At both ends of the molecule

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