Polymers 1

Question 1

What is the definition of a crystal structure?

Answer 1

an anisotropic, homogenous body consisting of a 3D ordering of atoms, ions or molecules

Question 2

What does amorphous mean?

Answer 2

random molecular arrangement

Question 3

What factors influence crystallinity?

Answer 3

molecular structure
crystalline state is lowest energy
speed & temp of solidification

Question 4

What are molecular contact points called in crystals?

Answer 4

nucleation

Question 5

How do crystal polymers form?

Answer 5

nucleation
crystal growth
polycrystalline

Question 6

What are semicrystalline polymers?

Answer 6

possess both ordered crystalline domains and amorphous regions