Major difference between chain and step polymerization.
| Step polymerization | Chain polymerization |
|---|---|
| Polymer grow by the reaction of any mutually reactive species of any size. | Polymer grow only through the addition of monomer molecules at the end of the active chain center. |
| Long-chain is only achieved at extreme high reaction of functional groups. | Long-chain is rapidly formed at low monomer conversions. |
| Monomers are rapidly consumed while as chain length increases only at the high conversion of functional groups. | Monomers are consumed at a steady rate, with the new polymer being formed continuously in the polymerization. |
| Polymers chains number reduces as chain length and group conversion increases. | Polymer chain formed increases as monomer conversion increases. |
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