Essential Chemistry for IGCSE - Polymers (Section 1 - No. 42)
Which of the following is a characteristic of addition polymerization?
The polymer molecules form by joining the monomers together.
A small molecule is eliminated.
A by-product, usually water or hydrogen chloride is formed.
It can only happen with addition reactions.
Shpjegimi
In addition polymerization, monomers join together.