Polymers

Question 1

What makes two monomers make up a polyester?

Answer 1

A diol and dicarboxylic acid.

Question 2

What are the two monomers that make up terylene?

Answer 2

Benzene-1,4-dicarboxylic acid and ethane-1,2-diol

Question 3

What is terylene used for?

Answer 3

Fabrics

Question 4

What part of the functional group breaks in polyesters?

Answer 4

The polar C-O bond

Question 5

What are the two monomers for a polyamide?

Answer 5

A dicarboxylic acid and a diaminoalkane

Question 6

What are the monomers for nylon-6,6 in industry?

Answer 6

1,6-diaminohexane and hexane-1,6-dicarboxylic acid

Question 7

What is nylon-6,6 used for?

Answer 7

Fibres and ropes

Question 8

What are the two monomers for kevlar?

Answer 8

Benzene-1,4-diamine and benzene-1,4-dicarboxylic acid

Question 9

What is kevlar used for?

Answer 9

Bullet proof vests, oven gloves

Question 10

What are the conditions for forming an addition polymer?

Answer 10

• High temperature
• High pressure
• Catalyst

Question 11

What is the variation in products in the hydrolysis of peptides when basic and acid conditions are used?

Answer 11

Basic (e.g NaOH): acid groups become sodium salts

Acidic (e.g HCl): Amine groups become protonated and form ionic bonds with chloride