Topic 13 - Plastics

What are some of the useful properties of plastics?
- Strong
- Light
- Insulators of heat / electricity
What is the source of plastics and synthetic fibres?

Crude oil
What kind of plastics can be melted and reshaped?

Thermoplastic plastics
What kind of plastics do not melt on heating?

Thermosetting plastics
What is the poison that is produced by burning Polyvinylchloride (PCV)?

Hydrogen chloride - HCl
What is the poison that is produced by burning most plastics?

Carbon monoxide - CO
What is the poison that is produced by burning Polyurethane foam?

Hydrogen cyanide - HCN
Few plastics will rot when buried ie they are not....?

biodegradable
The small molecules which join together to form a long chain plastic molecule are called....?

monomers
What is the name of the process where monomers join up to make polymers?

polymerisation
How do unsaturated monomers, like ethene and propene, join up?

By breaking the double covalent bond between the cabon atoms and using the spare electrons to join neighbouring monomer molecules together
What is the repeating pattern within the structure of a polymer called?

The repeating unit

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Card Set

Topic 13 - Plastics

Description

Standard Grade Chemistry - Topic 13 - Plastics

Updated

2011-04-04T13:09:04Z

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