Regarding cross-linked or network polymers, which of the following statements is incorrect ?

Options

A. Examples are bakelite and melamine
B. They are formed from bi- and tri- functional monomers.
C. They contain covalent bonds between various linear polymer chains
D. They contain strong covalents bonds in their polymer chains.

Answer

D

Explanation

Cross linked or network polymerrs are formed from bi-functional and tri-functional monomers and contain strong covalent bonds between various linear polymer chains, e.g. bakelite , melamine etc. Option (4) is not related to cross-linking .