3.3.12 - Polymers Flashcards
Name 3 examples of condensation polymers
- polyamides
- polyesters
- polypeptides
What are polyamides made out of?
Dicarboxylic acids + diamines
Polyamides
State the name of the bond that forms between the carboxyl
groups and amino groups
Amide link
Name 2 examples of polyamides
- Nylon 6,6
- Kevlar
State what nylon 6,6 is made from
1,6-diaminohexane + hexanedioic acid
Name some uses of nylon 6,6
Used to make clothing, carpet, rope, airbags and parachutes
Draw an equation showing how nylon 6,6 is formed
State what kevlar is made from
1,4-diaminobenzene and benzene-1,4-dicarboxylic acid
Name some uses of kevlar
Used in bulletproof vests, boat construction, car tyres and lightweight spots equipment
Draw an equation showing how kevlar is formed
What are polyesters made out of?
Dicarboxylic acids + diols
Polyesters
State the name of the bond that forms between the carboxyl
groups and hydroxyl groups
Ester link
Name an example of polyester
Terylene (PET)
State what terylene (PET) is made from
Benzene-1,4-dicarboxylic acid and ethane-1,2diol
Name some uses of terylene (PET)
Used in plastic bottles, clothing, sheets and sails