Engineering
Chemistry
IUPAC Nomenclature of Organic Compound
Polymers
Classification of organic compounds
Question
Write the chemical reaction to prepare novolac polymer.
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Solution
The monomers used in the preparation of novolac polymer are phenol and formaldehyde. They undergo polymerisation in presence of alkali or acid as catalyst. Phenol reacts with formaldehyde to form ortho or p-hydroxy methyl phenols, which on further reaction with phenol form a linear polymer called Novolac.
