Properties and Mechanism of High-silica Filled Solution Polymerized Styrene-butadiene Rubber/Butadiene Rubber/SiO<sub>2</sub> Rubber Composites with Varied Crosslinking Density

LIU Zhong-guang; WANG Shuo; LU Ming-cheng; HOU Wen-jing; ZHOU Li-jun; HE Ai-hua

doi:10.14028/j.cnki.1003-3726.2026.26.100

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Properties and Mechanism of High-silica Filled Solution Polymerized Styrene-butadiene Rubber/Butadiene Rubber/SiO₂ Rubber Composites with Varied Crosslinking Density

更新时间：2026-07-27

- Properties and Mechanism of High-silica Filled Solution Polymerized Styrene-butadiene Rubber/Butadiene Rubber/SiO₂ Rubber Composites with Varied Crosslinking Density
- Polymer Bulletin Vol. 39, Issue 8, Pages: 1444-1453(2026)
- 作者机构：
  
  青岛科技大学高分子科学与工程学院高性能有机光学聚合物与先进制造技术全国重点实验室橡塑材料与工程教育部重点实验室山东省高性能聚烯烃材料与循环利用重点实验室　青岛 266042
  济宁神州轮胎有限公司　济宁 272100
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2026.26.100
  CLC：
- Received：17 March 2026，
  
  Accepted：02 April 2026，
  
  Online First：26 June 2026，
  
  Published：20 August 2026
- 稿件说明：
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刘忠光, 王硕, 鲁明诚, 侯雯静, 周丽君, 贺爱华. 交联密度对高填充溶聚丁苯橡胶/顺丁橡胶/白炭黑橡胶复合材料性能及作用机制. 高分子通报, 2026, 39(8), 1444–1453.

Liu, Z. G.; Wang, S.; Lu, M. C.; Hou, W. J.; Zhou, L. J.; He, A. H. Properties and mechanism of high-silica filled solution polymerized styrene-butadiene rubber/butadiene rubber/SiO2 rubber composites with varied crosslinking density. Polym. Bull. (in Chinese), 2026, 39(8), 1444–1453.
刘忠光, 王硕, 鲁明诚, 侯雯静, 周丽君, 贺爱华. 交联密度对高填充溶聚丁苯橡胶/顺丁橡胶/白炭黑橡胶复合材料性能及作用机制. 高分子通报, 2026, 39(8), 1444–1453. DOI： 10.14028/j.cnki.1003-3726.2026.26.100.

Liu, Z. G.; Wang, S.; Lu, M. C.; Hou, W. J.; Zhou, L. J.; He, A. H. Properties and mechanism of high-silica filled solution polymerized styrene-butadiene rubber/butadiene rubber/SiO2 rubber composites with varied crosslinking density. Polym. Bull. (in Chinese), 2026, 39(8), 1444–1453. DOI： 10.14028/j.cnki.1003-3726.2026.26.100.

摘要

高白炭黑(SiO

)填充的溶聚丁苯橡胶(SSBR)/顺丁橡胶(BR)复合材料是发展高耐磨、高抗湿滑绿色轿车轮胎胎面胶的重要方向之一，然而交联密度对高SiO

填充复合材料结构与性能的调控规律及作用机制尚不清晰。本工作系统研究了硫磺用量(0.8~2.4 phr)对高填充的SSBR/BR (SiO

100 phr)复合材料的加工行为、交联网络及力学性能的影响，并与低填充体系(SiO

60 phr)进行了对比。结果表明，随着硫磺用量的增加，高填充SSBR/BR/SiO

复合材料的交联密度线性增长，多硫交联键比例增加，单硫与双硫交联键比例降低。适量硫磺的加入提高了硫化胶的拉伸强度、耐磨性及撕裂强度，显著降低60 ℃损耗因子，意味着硫化胶滚动阻力显著降低，与此同时抗湿滑性能基本不变。在相同硫磺用量(1.6 phr)下，高填充体系相较于低填充体系具有更高的交联密度和更优的综合力学性能，在强韧性、耐磨性与动态性能之间达到最佳平衡，有效改善了轮胎“魔三角”性能矛盾。本研究可为绿色轮胎胎面胶配方设计提供实验依据和理论参考。

Abstract

High silica (SiO

) filled solution polymerized styrene-butadiene rubber (SSBR)/butadiene rubber (BR) composites are an important development direction for green car tire stocks with high resistance to wear and wet-skid. However

the influence and mechanism of varied crosslinking densities on the structure and performance of high silica filled rubber stocks remain unclear.This study systematically investigated the effects of sulfur dosages (0.8–2.4 phr) on the processing behavior

crosslinking network

and mechanical properties of high silica filled SSBR/BR (SiO

100 phr) composites

which were compared with the low silica filled (SiO

60 phr) rubber composites. The results showed that the crosslinking density and ratio of polysulfide bonds of high silica filled SSBR/BR/SiO

rubber composites increased linearly

where as the ratios of mono-sulfide and di-sulfide bonds decreased with increasing sulfur loading. The addition of an appropriate amount of sulfur improved the tensile strength

wear resistance

and tear strength of the vulcanizates and significantly reduced the loss factor at 60 ℃

which means that the rolling resistance of the vulcanizates was significantly reduced

whereas the wet-skid resistance remained basically unchanged. Compared with the low silica filled rubber vulcanizate

the highsilica filled vulcanizate exhibiteda higher crosslinking density and better comprehensive mechanical properties with the same sulfur dosage (1.6 phr)

achieving the best balance among strength and toughness

wear resistance

and dynamic performance

effectively improving the “magic triangle” performance contradiction of the tire. This study provides an experimental basis and theoretical reference for the formulation design of green tire tread rubber.

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⁰

Properties and Mechanism of High-silica Filled Solution Polymerized Styrene-butadiene Rubber/Butadiene Rubber/SiO2 Rubber Composites with Varied Crosslinking Density

DOI：10.14028/j.cnki.1003-3726.2026.26.100

摘要

Abstract

关键词

Keywords

references

Properties and Mechanism of High-silica Filled Solution Polymerized Styrene-butadiene Rubber/Butadiene Rubber/SiO₂ Rubber Composites with Varied Crosslinking Density