Polyesters

Question 1

How can polymers be made by condensation polymerization?

Answer 1

1) Monomers react together and bonds form between them, making polymer chains.
2) Each monomer has to contain at least two functional groups, one on each end of the molecule.
3) Each functional group can react with the functional group of another monomer, creating long chains of alternating monomers.

Question 2

What does condensation polymerization usually involve?

Answer 2

2 different types of monomer

Question 3

What happens every time a new bond forms?

Answer 3

A small molecule e.g. water is lost

Question 4

When do polyesters form?

Answer 4

When dicarboxylic acid monomers and diol monomers react together

Question 5

Dicarboxylic acid monomer + diol monomer –>

Answer 5

Polyester + water

Question 6

Ethanedioic acid + ethanediol –>

Answer 6

Poly (ethyl ethanoate) + water

Question 7

What can some polyesters do?

Answer 7

Biodegrade - this reduces their pollutant effect because they won’t stay in landfill for ever.