Polymers

Question 1

Acyl chloride + alcohol gives

Answer 1

ester + HCl

Question 2

acyl chloride + amide gives

Answer 2

amide + HCl

Question 3

What is a common polyester and usage?

Answer 3

Terylene
clothing and tire cords

Question 4

What are 2 common polyamide

Answer 4

Nylon 6,6 and Kevlar

Question 5

Polyesters and polyamides are broken down by?

Answer 5

Hydrolysis hence biodegradable

Question 6

Why do polyamides have higher melting point than polyster?

Answer 6

It has hydrogen bonding

Question 7

3 types of disposal of polymers

Answer 7

Landfills
Incineration
Recycling

Question 8

Positives and negatives of landfills

Answer 8

-Cheap

-Most polymers are non-biodegradable so take many years
-full

Question 9

Positives and negatives of incineration

Answer 9

• rubbish burn and energy used to generate electricity

-toxins released
-greenhouse gases produced

Question 10

Positives and negatives of recycling

Answer 10

-saves raw materials

-polymers need collecting/sorting (expensive)
-careful separation as only recycled into same type

Question 11

How to break down condensation polymers back into its constituents?

Answer 11

add water as water attracted to polar regions of polymer meaning links can be broken