properties of material Flashcards
1
Q
whats a polymer?
A
a molecule made from joining together many small molecules called monomers
2
Q
what is cross linking?
A
chemical reaction takes place which connects the chain permanently.
3
Q
what are the four classes of material?
A
ceramics polymers metals composites
4
Q
whats a composite?
A
a material which is made of two or more materials
5
Q
what are the properties of diamond?
A
high luster high dispersion high index of refraction
6
Q
how does the arrangement of the chains affect the polymer?
A
when there side chains or branches in the way the polymer chains cant slide over each other easily there are more interactions.
