As we learnt in
Phenol formaldehyde resin/ Bakellite/ Novolac -
- Obtained by the condensation reaction of phenol with formaldehyde.
- Step growth, Copolymer.
- Novolac is linear
- Bakellite is cross linked.
- Hard and brittle
- Novolac is used in paints.
- Bakellite is used in making combs, phonograph records, electrical goods.
The polymerisation of phenol and formaldehyde...