Number-average degree of polymerization (step growth, 1:1 stoichiometry) (DP_n = 1/(1−p) for self-condensation / equimolar AA+BB)
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DP_n = 1/(1−p) for self-condensation / equimolar AA+BB
What each symbol means
| Symbol | What it stands for |
|---|---|
| p | Extent of reaction (fraction of functional groups consumed), 0 < p < 1 |
| DP_n | Number-average degree of polymerization |
When to use this
Carothers equation for step-growth with 1:1 functional group ratio and no side reactions. High p required for high polymer.