Preparation and Properties of the Green and Flexible Natural Rubber Vulcanized Film for Gamma-ray Shielding

Hong Zhang; Fu-chun Zhao; Shuang-quan Liao

doi:10.11777/j.issn1000-3304.2025.25152

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Preparation and Properties of the Green and Flexible Natural Rubber Vulcanized Film for Gamma-ray Shielding

Research Article | 更新时间：2026-02-01

- Preparation and Properties of the Green and Flexible Natural Rubber Vulcanized Film for Gamma-ray Shielding
- Acta Polymerica Sinica Vol. 57, Issue 2, Pages: 481-489(2026)
- 作者机构：
  
  海南大学材料科学与工程学院热带岛屿资源先进材料教育部重点实验室海口 570228
- 作者简介：
  
  Fu-chun Zhao, E-mail: psfczhao@hainanu.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2025.25152
  CLC：
- CSTR：32057.14.GFZXB.2025.7462
- Received：24 June 2025，
  
  Accepted：02 September 2025，
  
  Published Online：27 October 2025，
  
  Published：20 February 2026
- 稿件说明：
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张鸿, 赵富春, 廖双泉. 绿色柔性伽马射线屏蔽天然橡胶硫化胶膜的制备及其性能研究. 高分子学报, 2026, 57(2), 481-489.

Zhang, H.; Zhao, F. C.; Liao, S. Q. Preparation and properties of the green and flexible natural rubber vulcanized film for gamma-ray shielding. Acta Polymerica Sinica (in Chinese), 2026, 57(2), 481-489.
张鸿, 赵富春, 廖双泉. 绿色柔性伽马射线屏蔽天然橡胶硫化胶膜的制备及其性能研究. 高分子学报, 2026, 57(2), 481-489. DOI： 10.11777/j.issn1000-3304.2025.25152. CSTR： 32057.14.GFZXB.2025.7462.

Zhang, H.; Zhao, F. C.; Liao, S. Q. Preparation and properties of the green and flexible natural rubber vulcanized film for gamma-ray shielding. Acta Polymerica Sinica (in Chinese), 2026, 57(2), 481-489. DOI： 10.11777/j.issn1000-3304.2025.25152. CSTR： 32057.14.GFZXB.2025.7462.

摘要

随着高能伽马射线在现代医疗卫生、工业检测、航天航空

等领域的广泛应用及世界各国对清洁核能的开发，人们对可穿戴性射线防护材料及其安全耐久性与使用舒适性等的需求日益增加. 然而，目前聚合物基柔性射线防护材料在添加高含量屏蔽性粒子提升防护效果时，往往出现材料柔韧性和力学强度下降，无法同时兼顾高屏蔽性和优异力学性能的问题. 采用功能化绿色屏蔽粒子三氧化二铋(Bi

)填充生物相容性的天然橡胶(NR)，通过设计共聚硫交联网络和构建强氢键界面作用的策略，实现了高含量屏蔽粒子在NR中的良好分散，制备出新型绿色柔性的伽马射线屏蔽硫化胶膜. 结果表明，本研究所采用的策略能显著提升屏蔽填料在NR基体中的均匀稳定分散性，获得密度小、强度高、耐穿刺的绿色柔性高能射线屏蔽复合胶膜材料.

Abstract

With the widespread application of high-energy gamma rays in modern healthcare

industrial inspection

aerospace and other fields

coupled with the global development of clean nuclear energy

the demand for wearable radiation shielding materials with enhanced safety

durability

and comfort has significantly increased. However

current polymer-based flexible radiation shielding materials often face a dilemma: the incorporation of high loadings of shielding particles to improve protection effectiveness typically leads to a decline in material flexibility and mechanical strength

which is still a challenge of obtaining simultaneously both high shielding performance and excellent mechanical properties nowadays. This study addressed this issue by employing the functionalized eco-friendly shielding filler bismuth trioxide to fill biocompatible natural rubber (NR). Through this strategy of designing a crosslinking network by the co-polysulfide compound and constructing the strong hydrogen-bonding interfacial interactions

the excellent dispersion of the high-content shielding particles within the NR matrix was achieved and the novel

green

and flexible vulcanized composite film for gamma-ray shielding was prepared. The results demonstrated that this strategy employed can significantly enhance the uniform and stable dispersion of shielding fillers within the NR matrix. A new and effective way for preparation of a green

flexible

high-energy radiation shielding composite film material with low density

high strength

and excellent puncture resistance was provided.

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references

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