DF7- Polymers And Plastics

Question 1

Define polymer

Answer 1

Chain of monomers joined together

Question 2

Define addition polymerisation

Answer 2

Unsaturated alkene monomers add on to growing polymer chain to form long saturated polymer chain

Question 3

What is the difference between monomers and repeat units of polymers?

Answer 3

• monomers have double bond, repeat units have trailing bonds
• repeat units have brackets

Question 4

Define copolymers

Answer 4

Polymers made up of 2 or more different monomers

Question 5

Define elastomer

Answer 5

Polymers that are soft and springy and return to original shape once deformed