Term: aging (ageing)
https://doi.org/10.1351/goldbook.AT06849

Definition:
Processes that occur in a polymeric material during a specified period of time, and that usually result in changes in physical and/or chemical structure and the values of the properties of the material.

Related Terms:
1) polymeric (http://doi.org/10.1351/goldbook.P04739).

Source: PAC, 1996, 68, 2313. 'Definitions of terms relating to degradation, aging, and related chemical transformations of polymers (IUPAC Recommendations 1996)' on page 2315 (https://doi.org/10.1351/pac199668122313)

Citation: 'aging (ageing)' 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.AT06849

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