alpha relaxation peak

synonyms: α-loss peak, α-relaxation peak, alpha loss peak
https://doi.org/10.1351/goldbook.12741
Highest-temperature peak or lowest-frequency peak in the loss curve of a polymer.
Note: Secondary relaxation peaks occurring successively at lower temperatures or higher frequencies are termed the beta (β-), gamma (γ-), relaxation or loss peaks.
Source:
PAC, 2013, 85, 1017. (Glossary of terms relating to thermal and thermomechanical properties of polymers (IUPAC Recommendations 2013)) on page 1018 [Terms] [Paper]
Citation: 'alpha relaxation peak' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.12741 RIS BibTex EndNote
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