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How is bakelite prepared?

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How is bakelite prepared?
  • 3 answers

Vidhu Choudhary 6 years, 3 months ago

When pehnol is treated with formaldehyde with the acid and base both catalysist it forms a cross linking structure novlace and then again heated it forms Bakelite

Nitya Saini 6 years, 3 months ago

Bakelite is a polymer which is fomed on heating of novolac with formaldehyde by cross linking.

Yogita Ingle 6 years, 3 months ago

When the phenol is taken in excess and the reaction medium is made acidic, the product of the condensation reaction obtained is acidic. Whereas, when the quantity of formaldehyde taken is more than that of phenol in the reacting mixture, and the reaction occurs in a basic medium, the condensation product is known as Resol.
These intermediate condensation products are used as resins in different industries. Bakelite is obtained when Novolac is allowed to undergo cross-linking in the presence of a cross-linking agent. In general, phenol taken in excess acts as the cross-linking agent.

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