Lecture 5

Question 1

True/False: Polymers crystal are more complex than metal or ceramics

Answer 1

True

Question 2

What happens when you increase cross-linking?

Answer 2

makes the material more rigid and heat resistant

Question 3

What are the characteristics of a linear polymer?

Answer 3

more flexible or flowable

Question 4

What are the characteristics of a network polymer?

Answer 4

a solid stable material

Question 5

What are the characteristics of a branched polymer?

Answer 5

more resistant to flow than a linear structure but less rigid than a crosslinked or networked structure

Question 6

Is a linear polymer liquid or solid?

Answer 6

could be either liquid or solid

Question 7

Is a branched polymer liquid or solid?

Answer 7

could be either liquid or solid

Question 8

Is a cross-linked polymer liquid or solid?

Answer 8

more likely solid

Question 9

Is a network polymer liquid or solid?

Answer 9

more likely solid

Question 10

What is the definition of spectroscopy?

Answer 10

study of the absorption and emission of light and other radiation by
matter