Topic 13 - Plastics
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What are some of the useful properties of plastics?
- Insulators of heat / electricity
What is the source of plastics and synthetic fibres?
What kind of plastics can be melted and reshaped?
What kind of plastics do not melt on heating?
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....?
The small molecules which join together to form a long chain plastic molecule are called....?
What is the name of the process where monomers join up to make polymers?
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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