Thermoplastics Flashcards Preview

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Flashcards in Thermoplastics Deck (39)
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1

What percentage of plastics are made from oil?

95%

2

What can plastics be made from other than oil?

Animal and vegetable matter Making Bioplastics

3

Why are plastics used for packaging?

Tough Lightweight Clear Economical Aesthetically USEFUL

4

What are the properties of Bio Plastics?

Biodegradable based on plants Can be clear or coloured

5

What sort of plastic: is biodegradable based on plants can be clear or coloured

Bio plastics

6

What are the properties of Cellulose Acetate?

Partially biodegradable- Plants are and chemicals aren't

Clear 

Not tough

7

What sort of plastic is:

  • Partially biodegradable
  • Clear
  • Not Tough

 

Cellulose Acetate

8

What are bioplastics used for?

All sorts of food packaging

9

What is Cellulose Acetate used for?

Film for photocopiers and cameras

10

What are the properties of Acrylic?

Stiff but brittle

Can be shaped

Can be polished to be glossy

Wide range of colours

11

What sort of plastic is:

  • Stiff but brittle
  • Comes in many colours
  • Can be shaped and polished for gloss

Acrylic

12

What is Acrylic used in?

Point of Sale Stands

13

What plastic has this symbol?

PET

Polyethylene Terepthalate

14

What are the properties of PET?

Non-biodegradable

Tough 

Good at keeping 'fizz' in

15

What plastic has these properties

is good at keeping the fizz in

is tough

 

 

PET

Polyethylene Terepthalate

16

What plastic is used in bottles?

17

What are the properties of Polystyrene?

Not tough

Can be vaccum formed

18

What plastic is:

Not tough

And can be vacuum formed

Polystyrene

19

What is Polystyrene used for?

Shell forms for packaging

CD jewel cases

Yogurt Pots

20

What are the properties of Expanded Polysterene or Styrofoam?

Very light

Shock absorbing

21

What plastic has these properties:

Very light

and impact absorbing

Styrofoam or Expanded Polysterene

22

What is Expanded Polysterene or Styrofoam used for?

Protective packaging

Block modelling

23

What are the properties of PVC?

Tough

Resists sratching

24

What type of Plastic is:

Tough

and resists scratching

PVC

Poly Binyl Chloride

25

What is PVC used for?

Games pieces

Blister packaging

26

What is Polypropylene's properties?

It is flexible

27

What plastic is felexible?

Polypropylene

28

What is used in Crisp Packets?

Polypropolene

29

What is used in Blister packs?

PVC

30

What is used in Yogurt pots?

Polystyrene