Title: heat of polymerisation
Long Title: IUPAC Gold Book - heat of polymerisation
DOI: 10.1351/goldbook.15403
Status: current

Definition
Heat absorbed or given off from the conversion of a specified amount of monomer into polymer.

Notes
1) The molar heat of polymerization is denoted by the symbol \(Q_{\rm{m}}\) and is the heat of polymerization of one mole of monomer. SI unit: \(\pu{J mol-1}\).
2) The molar heat of polymerization is equal to the enthalpy of polymerization under isobaric and isothermal conditions.

Related Term
- enthalpy of polymerization: https://goldbook.iupac.org//terms/view/15399

Source
- PAC, 2008, 80, 2163. 'Glossary of terms related to kinetics, thermodynamics, and mechanisms of polymerization (IUPAC Recommendations 2008)' on page 2176 (https://doi.org/10.1351/pac200880102163)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/15403/html
- json: https://goldbook.iupac.org/terms/view/15403/json
- xml: https://goldbook.iupac.org/terms/view/15403/xml

Citation: Citation: 'heat of polymerisation' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.15403
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Accessed: 2026-04-18T06:46:46+00:00