Addition polymers

Question 1

What is the trade name of poly[ethene]?

Answer 1

polythene

Question 2

What is the polymer of poly[ethene]?

Answer 2

-[CH2-CH2]-n

Question 3

What are the typical uses for polythene?

Answer 3

Carrier bags

Washing up bowls

Question 4

What is the trade name for poly[propene]?

Answer 4

Polypropylene

Question 5

What is the polymer of poly[propene]?

Answer 5

CH3

-[CH-CH2]-n

Question 6

What are the typical uses of poly[propene]?

Answer 6

Yoghurt containers

Car bumpers

Question 7

What is the trade name of poly[chloroethene]?

Answer 7

PVC

Question 8

What is the polymer of poly[chloroethene]?

Answer 8

Cl

-[CH-CH2]-n

Question 9

What are the typical uses of poly[chloroethene]?

Answer 9

Aprons

Vinyl records

Drainpipes

Question 10

What is the trade name of poly[propenenitrile]?

Answer 10

Acrylic

Question 11

What is the polymer of poly[propenenitrile]?

Answer 11

CN

-[CH-CH2]-n

Question 12

What are the common uses of poly[propenenitrile]?

Answer 12

Clothing fabrics

Question 13

What is the trade name of poly[phenylethene]?

Answer 13

Polystyrene

Question 14

What is the polymer of poly[phenylethene]?

Answer 14

Ar

-[CH-CH2]-n

Question 15

What are the typical uses of poly[phenylethene]?

Answer 15

Packing materials

Electrical insulation

Question 16

What do plasticisers do?

Answer 16

Small molecules that get between polymer chains, forcing them apart and making them more flexible

Question 17

Are polyalkenes biodegradable?

Answer 17

No due to the longer alkane backbone

Question 18

Outline mechanical recycling?

Answer 18

Separate different types of plastics, wash them then grind them into small pellets, melted and remoulded

Question 19

Outline feedstock recycling

Answer 19

The plastics are heated to a temperature that will break the polymer bonds and produce monomers which then can be used to make new plastics