Characterization of Polymer Aging: A Review

Xuan Liu; Rui Yang; Zhi-Ping Xu; Yan Ye; Guo-Shuo Tang; Min Zhao; Qian Zhang; Xiang-Ze Meng

doi:10.1007/s10118-024-3174-9

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Characterization of Polymer Aging: A Review

REVIEW | Updated：2024-11-04

- Characterization of Polymer Aging: A Review
- Chinese Journal of Polymer Science Vol. 42, Issue 11, Pages: 1642-1660(2024)
- Affiliations：
  
  a.School of Chemical and Pharmaceutical Engineering, Hefei Normal University, Hefei 230601, China
  b.Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
- Author bio：
  
  yangr@mail.tsinghua.edu.cn
- Funds：
- DOI：10.1007/s10118-024-3174-9
  CLC：
- Published：30 November 2024，
  
  Published Online：20 August 2024，
  
  Received：12 January 2024，
  
  Accepted：23 May 2024
- Accepted：
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Liu, X.; Yang, R.; Xu, Z. P.; Ye, Y.; Tang, G. S.; Zhao, M.; Zhang, Q.; Meng, X. Z. Characterization of polymer aging: a review. Chinese J. Polym. Sci. 2024, 42, 1642–1660

Xuan Liu, Rui Yang, Zhi-Ping Xu, et al. Characterization of Polymer Aging: A Review. [J]. Chinese Journal of Polymer Science, 2024,42(11):1642-1660.
Liu, X.; Yang, R.; Xu, Z. P.; Ye, Y.; Tang, G. S.; Zhao, M.; Zhang, Q.; Meng, X. Z. Characterization of polymer aging: a review. Chinese J. Polym. Sci. 2024, 42, 1642–1660 DOI： 10.1007/s10118-024-3174-9.

Xuan Liu, Rui Yang, Zhi-Ping Xu, et al. Characterization of Polymer Aging: A Review. [J]. Chinese Journal of Polymer Science, 2024,42(11):1642-1660. DOI： 10.1007/s10118-024-3174-9.

摘要

Various analytical methods for characterization of chemical changes

physical changes and service properties are reviewed. Based on that

methods for aging evaluation including stabilization evaluation and lifetime prediction

especially sensitive evaluation methods are introduced. Also

existing problems and future research perspective are proposed.

Abstract

Polymer aging under environmental conditions causes deterioration of service properties. Understanding the aging behavior and mechanism is important not only for lifetime prediction

but also for material improvement and development. Therefore

comprehensive characterization of polymer materials during aging is crucial. In this review

various analytical methods for characterization of chemical changes

physical changes and service properties are introduced. Based on that

methods for stabilization evaluation and lifetime prediction

especially sensitive evaluation methods are reviewed. Chemical changes include molecular weight changes by chain scission and crosslinking

functional group changes on the surface and in the bulk

formation of free radicals

formation of small molecular species as the degradation products

and chemical distribution by heterogeneous aging and additives migration. Physical changes include crystallization changes (post- or chemi-crystallization) and morphology changes (cracking

debonding

etc

.). Service property changes include deterioration of processability

mechanical properties

electrical properties and appearance. In the end

existing problems and future research perspective are proposed

including relationship between chemical/physical changes and service properties

introduction of modern mathematical and computer tools.

关键词

Keywords

Chemical changePhysical changeService propertyStability evaluationLifetime prediction

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Ignazio Blanco

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Department of Industrial Engineering, University of Catania, V.le A. Doria 6

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