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The monomers used in Novolac, a polymer ...

The monomers used in Novolac, a polymer used in paints,

A

Phenol and Formaldehyde

B

Melamine and Formaldehyde

C

Butadiene and Styrene

D

Butadiene and Acrylo Nitrile

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The correct Answer is:
A

Novolacs are phenol formaldehyde resins with formaldehyde to phenol molar ratio of less than one. The polymerisation is brought to completion using ácid catalysis such as oxalic acid, hydrochloric acid or sulphonate.
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