Polymer/ smart and modern materials

Question 1

Smart materials are…

Answer 1

Materials whose physical properties change in response to a change in environment, such as heat, light, pressure or electricity

Question 2

Examples of smart materials are…

Answer 2

Shape memory alloy
Thermo chromatic pigment
Phosphorescent pigment
Photochromatic pigment

Question 3

Modern materials are…

Answer 3

Developed through the invention of a new or improved process

Question 4

Examples of modern materials are….

Answer 4

Kevlar
Precious meal clay
Cornstarch polymer

Question 5

Thermoplastic

Answer 5

A material that can be repeatedly reheated and reshaped

Can recycle

Question 6

Examples of thermoplastic

Answer 6

Low density polyethylene

High density polyethylene

Question 7

Thermosetting polymer

Answer 7

A material which when heated goes under a change where the molecules form high rigid cross links
Can’t be recycled

Question 8

Examples of Thermosetting polymer

Answer 8

Urea formaldehyde
Polyester resin
Epoxy resin

Question 9

Elastomer

Answer 9

Can be deformed under pressure at room temperature and return to its original shape on release

Question 10

Examples of Elastomer

Answer 10

Neoprene, silicone

Question 11

Three types of polymers

Answer 11

Thermoplastic
Thermoset polymer
Elastomer