Polymers Flashcards
1
Q
What is a thermoplastic?
A
Can be repeatively reheated and reshaped
Allowing it to be recycled after use
2
Q
Thermoplastic examples:
A
Low density polyethylene - toys
High density polyethylene - toys
Polypropylene
Nylon
3
Q
What is thermosetting Polymers?
A
Can’t be reheated and reshaped
Because the molecules form rigid links when they undergo chemical change from the heat
4
Q
What is an elastomer?
A
Elasticity qualities; has weak bonds that allow deformation and the return back to original shape
5
Q
Thermosetting polymer examples:
A
Urea formaldehyde
Melamine formaldehyde
Polyester resin
Epoxy resin
6
Q
Elastomer examples:
A
Natural rubber
Neoprene
Silicone
7
Q
What are Polymers made up of?
A
Multiple monomers, held by bonds
