Designer Polymers Flashcards
0
Q
Plastics that have strong forces between polymer molecules have?
A
High melting points and can’t be stretched
1
Q
Plastics that’s have weak forces between polymer molecules have?
A
Low melting points and easily stretched as the polymer molecules can slide over each other
2
Q
Properties of nylon?
A
Lightweight, tough, waterproof and blocks uv light
3
Q
What is added to gore-tex to make it better?
A
The nylon fibres are coated with a membrane of PTFE this makes the holes in the fabric smaller so sweat can pass through
4
Q
Name the polymer made from ethene?
A
Poly(ethene)
5
Q
What is a polymer?
A
A long chained molecule made up of small repeating units called monomers
6
Q
Two reasons why polyester is used in clothing?
A
Tough and can be coloured
