评价天然橡胶综合性能的关键参数及其机制

连绍雄; 张俊祺; 朱勇; 谢正田; 吴锦荣

doi:10.11777/j.issn1000-3304.2026.25303

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评价天然橡胶综合性能的关键参数及其机制

研究论文 | 更新时间：2026-05-08

- 评价天然橡胶综合性能的关键参数及其机制
- Key Parameters for the Comprehensive Service Performance of Natural Rubber
- 高分子学报 2026年57卷第5期页码：1108-1119
- 作者机构：
  
  四川大学高分子科学与工程学院先进高分子材料全国重点实验室成都 610065
- 作者简介：
  
  E-mail: zt-xie@scu.edu.cn;
  E-mail: wujinrong@scu.edu.cn
- 基金信息：
  
  国家重点研发计划(2022YFD2301202);国家自然科学基金(基金号 ┣52173058);52403072┫;四川省自然科学基金(基金号 2024NSFSC0173);四川省科技计划项目(2023YFS0015)
- DOI：10.11777/j.issn1000-3304.2026.25303
  中图分类号：
- CSTR：32057.14.GFZXB.2026.7554
- 收稿：2025-12-23，
  
  录用：2026-01-13，
  
  网络首发：2026-03-06，
  
  纸质出版：2026-05-20
- 稿件说明：
移动端阅览
连绍雄, 张俊祺, 朱勇, 谢正田, 吴锦荣. 评价天然橡胶综合性能的关键参数及其机制. 高分子学报, 2026, 57(5), 1108-1119.

Lian, S. X.; Zhang, J. Q.; Zhu, Y.; Xie, Z. T.; Wu, J. R. Key parameters for the comprehensive service performance of natural rubber. Acta Polymerica Sinica (in Chinese), 2026, 57(5), 1108-1119.
连绍雄, 张俊祺, 朱勇, 谢正田, 吴锦荣. 评价天然橡胶综合性能的关键参数及其机制. 高分子学报, 2026, 57(5), 1108-1119. DOI： 10.11777/j.issn1000-3304.2026.25303. CSTR： 32057.14.GFZXB.2026.7554.

Lian, S. X.; Zhang, J. Q.; Zhu, Y.; Xie, Z. T.; Wu, J. R. Key parameters for the comprehensive service performance of natural rubber. Acta Polymerica Sinica (in Chinese), 2026, 57(5), 1108-1119. DOI： 10.11777/j.issn1000-3304.2026.25303. CSTR： 32057.14.GFZXB.2026.7554.

摘要

天然橡胶(NR)是我国关键的战略资源，然而其性能波动问题给特种轮胎等高端产品的稳定制备带来挑战，因此寻找可以反映NR综合性能的关键参数进而实现对高性能NR的快速评价在NR的高端应用有着重要意义. 本研究探究了不同产地及牌号NR的分子量及其分布以及微观结构组成，并通过力学性能测试、耐老化测试以及耐磨性与耐疲劳性测试来评价不同NR的综合性能，最后通过相关性分析揭示了表征NR综合性能的关键参数. 结果表明，断裂韧性与硫化NR的多项关键性能呈正相关关系，鉴于橡胶服役失效的本质源于内部裂纹的失稳扩展，而断裂韧性本身表征材料抑制裂纹失稳扩展的能力，因此将断裂韧性作为表征NR综合性能的关键敏感性参数. 本研究阐明了NR性能差异的内在机制，为高端领域用NR的快速评价、科学选材及工艺优化提供了理论依据，对提升国产NR的质量稳定性与竞争力具有指导意义.

Abstract

Natural rubber (NR)

as a critical strategic resource

is indispensable in high-end applications due to its exceptional properties. However

performance fluctuations arising from variations in geographical origin

grade

and processing techniques pose challenges to the stable production of high-performance products like specialty tires. Therefore

identifying key parameters that reflect the comprehensive performance of NR

enabling rapid evaluation of high-performance NR

is crucial for its high-end applications. In this work

we investigated the molecular weight

molecular weight distribution

and microstructure composition of NR from different origins and grades. The comprehensive performance of various NR samples was evaluated through mechanical property testing

aging resistance testing

as well as abrasion resistance and fatigue resistance testing. Finally

correlation analysis was employed to identify key parameters representing the overall performance of NR. The results indicated that fracture toughness exhibited a positive correlation with multiple key properties of vulcanized NR. Given that the fundamental failure mechanism of rubber in service stems from the unstable propagation of internal cracks

and fracture toughness intrinsically characterizes a material's ability to resist unstable crack propagation

fracture toughness was proposed as the key sensitivity parameter for characterizing the comprehensive performance of NR. This work elucidates the intrinsic mechanisms underlying NR performance variations. It provides a theoretical foundation for the rapid evaluation

scientific material selection

and process optimization of NR for high-end applications. The findings offer significant guidance for enhancing the quality consistency and competitiveness of domestically produced NR.

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Keywords

references

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