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Polyesters

OCR A-level Organic ChemistryPolymersLesson 2 of 3

Monomers with carboxyl and hydroxyl groups can join together by condensation to form polyesters. A molecule of water is eliminated and an ester bond is formed. Usually a dicarboxylic acid and a diol are reacted.

Diagram

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Key terms in this lesson

condensation reaction
A reaction in which two molecules join together with the elimination of a small molecule, usually water.

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