Polymers Flashcards
1
Q
Thermoplastic polymers
A
- can be softened by heating to be reformed
- most types of modern plastics
- long chain of molecules held loosely together
2
Q
Thermosetting polymers
A
- Permanently rigid
- can’t be heated and reformed
- molecules are held together by strong cross-links
3
Q
Elastomers
A
- polymers with good elasticity
- can be distorted under pressure, but will return to its shape
- molecules act like strings
- can be thermostatic / thermosetting
4
Q
The general properties of polymers
A
- Chemically un-reactive
- solids at room temp
- can be moulded into shape
- electrical insulators
- strong
- heat conductivity
5
Q
Bioplastics
A
Biodegradable
6
Q
Biodegradable
A
A material that will break down in the aid of natural processes - light and rain
7
Q
Example of product using bioplastics
A
Coffee cups
