3.12 Polymers

Question 1

Define an addition polymer

Answer 1

a long chain formed from many monomers and no other product is formed

Question 2

Define a condensation polymer

Answer 2

In a condensation reaction, two molecules join to form a larger one, with a small molecule such as H2O or HCl being released

Question 3

What are the two main types of condensation polymers

Answer 3

Polyesters - formed by carboxylic acids and alcohols
Polyamides - formed by carboxylic acids and amines

Question 4

Show how a polyester forms

Answer 4

Question 5

Show an example of a polyamide being formed

Answer 5

Question 6

Every key fact you need to know about addition polymers

Answer 6

• they are not biodegradable
• they have non polar C-C bonds they cannot be hydrolysed

Question 7

Every key fact you need to know about condensation polymers

Answer 7

• they are biodegradable as they can be hydrolysed under acidic or basic conditions
• delta positive carbon of the C=O bond can be attacked by nucleophiles

Question 8

Show an example of hydrolysis of polyesters

Answer 8

Question 9

Show an example of hydrolysis of polyamides

Answer 9

Question 10

Answer 10

Question 11

Answer 11

Question 12

What are the two types of polymerisation you need to know and state the molecules they resemble themself with

Answer 12

addition - alkenes
condensation - diols + dicarboxylic acids or diamines + dicarboxylic acids

Question 13

Answer 13

Question 14

Draw structure of isomer of C6H16N2 used to make nylon-6,6

Answer 14

Question 15

Answer 15

Question 16

Answer 16

Question 17

Answer 17

A