Polymers Flashcards Preview

Technology 3 - Building Science and Structures > Polymers > Flashcards

Flashcards in Polymers Deck (11):
1

How can a commercial plastic be defined as...

A high molecular weight material of organic origin.

2

How many covalent bonds can carbon form up tp

4

3

molecular chains are synthesised from low molecular weight compounds called

monomers

4

The products of the monomer reactions form...

Polymers

5

What are the three classifications of Polymers

Thermoplastics, Elastomers and thermosets

6

Polymers are synthesised by reacting monomers at high...

temperatures and pressures

7

What are the two main polymerisation methods

addition polymerisation, condensation polymerisation

8

Addition polymerisation is used to polymerise

unsaturated monomers

9

Thermoplastics consist of molecular chains that are...

linear.

10

the bonds between the molecules in thermoplastics are very...

weak

11

raising the temperature of the polymer in thermoplastics increases the amplitude of...

vibration