What is condensation polymerisation?
The process by which monomers combine to form a polymer, while releasing small by-products such as water.
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What is the general formula for making a polyester?
diol + dicarboxylic acid ➔ polyester + water
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For polyesters, how does condensation polymerisation work?
A diol (alcohol with 2 OH groups) and a dicarboxylic acid (carboxylic acid with 2 COOH groups) bond together.
As part of the process, the diol and dicarboxylic acid lose hydrogen and oxygen, which bond together to form water.
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Which two functional groups are involved in forming a polyester?
Carboxyl group (COOH) and alcohol group (OH).
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What does biodegradable mean?
Biodegradable means that the substance can be broken down by naturally occurring organisms (i.e. it can decay).
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Are both addition polymers and condensation polymers biodegradable?
Only condensation polymers are biodegradable.
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