Polymer Chains Flashcards
0
Q
What are thermosoftening polymers?
A
Soften on heating
1
Q
What are thermosetting polymers?
A
Harden on heating
2
Q
Which polymer is easier to recycle, thermosoftening or thermosetting?
A
Thermosoftening are easier to recycle
3
Q
What dictates the polymers use?
A
The monomer and the process used to make it
4
Q
What is the use for high density polyethylene?
A
Plastic bottles and water pipes
5
Q
What is the use for low density polythene?
A
Film and plastic bags
6
Q
What makes high density polyethene and low density polyethene different
A
They use different catalysts, temperatures and pressures however they use the same monomer
7
Q
What are polymer molecules
A
Long covalent chains made from carbon atoms with various side groups attached
