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

1. They contain covalent bonds between various linear polymer chains.
2. They are formed from bi- and tri-functional monomers.
3. They contain strong covalent bonds in their polymer chains.
4. Examples are bakelite and melamine.

Correct answer: They are formed from bi- and tri-functional monomers.

Solution

Cross-linked or network polymers are typically formed from monomers with more than two functional groups, not bi- and tri-functional monomers.

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