1. 8.1 Condensation Polymers
8.1.1 Starch
LO: I know the structure of starch.

2. Starch is a condensation polymer formed by joining molecules together.
glucose
Each monomer in a condensation polymer must have at least functional groups.
two
LO: I know the structure of starch.

3. 8.1.2 Polyesters
LO: I know the structure of a polyester.

4. An ester is formed when an reacts with a acid.
alcohol
carboxylic
The monomers used to make a polyester are:
An alcohol with two groups (diol).
hydroxyl
An acid with two groups (diacid).
carboxyl
LO: I know the structure of a polyester.

5. 8.1.3 Polyamide
LO: I know the structure of a polyamide.

6. An amide is formed when an reacts with a carboxylic acid.
amine N H
An amine is a molecule containing an amino group ( ):
NH2
For example, ethylamine: C N H
CH3CH2NH2
The molecules react to form an amide link: C N O H
LO: I know the structure of a polyamide.

7. The monomers used to make a polyamide are:
An amine with two groups (diamine).
amino
An acid with two groups (diacid).
carboxyl
Nylon
is a polyamide.
LO: I know the structure of a polyamide.