Which among the following is not a polyester?

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(A) Novolac is a phenol-formaldehyde resin formed by the condensation of phenol and formaldehyde.
It does not contain an ester linkage in its structu

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Novolac

Vedclass · Answer

(A) Novolac is a phenol-formaldehyde resin formed by the condensation of phenol and formaldehyde.
It does not contain an ester linkage in its structure.
$PHBV$ (poly-$\beta$-hydroxybutyrate-co-$\beta$-hydroxyvalerate),Dacron (polyethylene terephthalate),and Glyptal are all examples of polyesters.
Therefore,Novolac is not a polyester.

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