Revealing the Effect of Non-rubber Components of Natural Rubber on Its Radiation Resistance Performance

En-Tao Luo; Liang Jing; Ling-Min Kong; Yu Peng; Hao Luo; Li-Juan Zhao; Zheng-Tian Xie; Jin-Rong Wu

doi:10.1007/s10118-025-3330-x

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Revealing the Effect of Non-rubber Components of Natural Rubber on Its Radiation Resistance Performance

RESEARCH ARTICLE | Updated：2025-07-15

- Revealing the Effect of Non-rubber Components of Natural Rubber on Its Radiation Resistance Performance
- Chinese Journal of Polymer Science Vol. 43, Issue 7, Pages: 1190-1199(2025)
- Affiliations：
  
  a.College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, China
  b.National Key Laboratory of Advanced Polymer Materials, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
  c.Sichuan Academy of Agricultural Sciences, Chengdu 610066, China
- Author bio：
  
  lijuan_zhao@sicnu.edu.cn (L.J.Z.)
  zt-xie@scu.edu.cn (Z.T.X.)
- Funds：
- DOI：10.1007/s10118-025-3330-x
  CLC：
- Received：06 February 2025，
  
  Revised：25 February 2025，
  
  Accepted：05 March 2025，
  
  Published Online：24 April 2025，
  
  Published：01 July 2025
- Accepted：
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Luo, E. T.; Jing, L.; Kong, L. M.; Peng, Y.; Luo, H.; Zhao, L. J.; Xie, Z. T.; Wu, J. R. Revealing the effect of non-rubber components of natural rubber on its radiation resistance performance. Chinese J. Polym. Sci. 2025, 43, 1190–1199

En-Tao Luo, Liang Jing, Ling-Min Kong, et al. Revealing the Effect of Non-rubber Components of Natural Rubber on Its Radiation Resistance Performance[J]. Chinese journal of polymer science, 2025, 43(7): 1190-1199.
Luo, E. T.; Jing, L.; Kong, L. M.; Peng, Y.; Luo, H.; Zhao, L. J.; Xie, Z. T.; Wu, J. R. Revealing the effect of non-rubber components of natural rubber on its radiation resistance performance. Chinese J. Polym. Sci. 2025, 43, 1190–1199 DOI： 10.1007/s10118-025-3330-x.

En-Tao Luo, Liang Jing, Ling-Min Kong, et al. Revealing the Effect of Non-rubber Components of Natural Rubber on Its Radiation Resistance Performance[J]. Chinese journal of polymer science, 2025, 43(7): 1190-1199. DOI： 10.1007/s10118-025-3330-x.

摘要

The impact of non-rubber components (NRC) in NR on radiation resistance were investigated. The sample with NRC removed has better mechanical stability under radiation. Ash can also affect the radiation resistance as metal ions might react with the active centers generated by irradiation and enhance the rubber's radiation resistance.

Abstract

Natural rubber (NR) is a crucial elastic material used for damping and sealing applications in the nuclear industry

but its mechanical stability under radiation remains inadequate. Current efforts to improve radiation resistance rely on the addition of antiradiation agents

however

the effects of the components and microstructures of NR itself on radiation resistance remain unclear. In this study

we compared the composition and structure differences of four typical commercially used NR materials and investigated their effects on gamma radiation resistance. Furthermore

we examined the impact of non-rubber components (NRC) in NR on radiation resistance using deproteinized and dephosphorylated NR model samples. Our results revealed that NRC

such as proteins and phospholipids can enhance the strength of natural rubber before radiation exposure. However

after the removal of NRC

the samples exhibited improved mechanical stability under irradiation. Additionally

the ash content in NR could also influence the radiation resistance

as metal ions may react with the active centers produced by radiation

thereby enhancing the radiation resistance of the rubber. This work identifies the effect of non-rubber components in NR on radiation resistance and may serve as a reference for screening and developing radiation-resistant NR materials.

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