p1-polymers

Question 1

Thermoplastic

Answer 1

• a material that can be reheated and reshaped repeatedly
• can be recycled after its initial use

Question 1

Thermoset Polymer

Answer 1

-when heated it undergoes a chemical change whereby the molecules form rigid cross-links

• cannot be reheated and re-shaped even at high-temp

Question 2

Elastomer

Answer 2

• material that at room temp can be deformed under pressure, and release back to its original shape

Question 5

Synthetic Polymers

Answer 5

-made from crude oil takes hundreds of years to degrade