4.49C: Understand How to Write the Structural and Displayed Formula of a Polyester, Showing the Repeat Unit, Given the Formulae of the Monomers from Which it is Formed Including the Reaction of Ethanedioic Acid and Ethanediol:

POLYESTER: Condensation polymer formed from the reaction between a Dicarboxylic acid and Diol

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DRAWING THE STRUCTURAL AND DISPLAYED FORMULA OF A POLYESTER:

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Diagram:

                       

Diagram showing the Basic Structure of a Polyester (box represents any group of atoms)
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In a Equation:

Condensation Polymerisation Equation of Dicarboxylic acid and Dialcohol to form a Polyester

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REACTION OF ETHANEDIOC ACID AND ETHANEDIOL:

Equation of Reaction between Ethanedioc acid and Ethanediol