硅烷改性液体聚丁二烯微观结构对丁苯橡胶性能的影响

王茜; 邢梦菡; 张敬一; 商育菲; 于明祥; 谭莹; 张春雨; 张学全; 孙宇

doi:10.11777/j.issn1000-3304.2026.26151

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硅烷改性液体聚丁二烯微观结构对丁苯橡胶性能的影响

研究论文 | 更新时间：2026-07-23

- 硅烷改性液体聚丁二烯微观结构对丁苯橡胶性能的影响
- Effect of the Microstructures of Silane-modified Liquid Polybutadiene on the Properties of Styrene-Butadiene Rubber
- 高分子学报 2026年页码：1-13
- 作者机构：
  
  1.青岛科技大学高分子科学与工程学院青岛 266000
  2.山东德博新材料科技有限公司德州 253300
- 作者简介：
  
  E-mail: xqzhang@qust.edu.cn
  E-mail: yusun@qust.edu.cn
- 基金信息：
  
  山东省自然科学基金项目(ZR2022ME154)
- DOI：10.11777/j.issn1000-3304.2026.26151
  中图分类号：
- CSTR：32057.14.GFZXB.2026.7673
- 收稿：2026-04-30，
  
  录用：2026-06-23，
  
  网络首发：2026-07-23，
- 稿件说明：
移动端阅览
王茜, 邢梦菡, 张敬一, 商育菲, 于明祥, 谭莹, 张春雨, 张学全, 孙宇. 硅烷改性液体聚丁二烯微观结构对丁苯橡胶性能的影响. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26151.

Wang, Q.; Xing, M. H.; Zhang, J. Y.; Shang, Y. F.; Yu, M. X.; Tan, Y.; Zhang, C. Y.; Zhang, X. Q.; Sun, Y. Effect of the microstructures of silane-modified liquid polybutadiene on the properties of styrene-butadiene rubber. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26151.
王茜, 邢梦菡, 张敬一, 商育菲, 于明祥, 谭莹, 张春雨, 张学全, 孙宇. 硅烷改性液体聚丁二烯微观结构对丁苯橡胶性能的影响. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26151. DOI： CSTR： 32057.14.GFZXB.2026.7673.

Wang, Q.; Xing, M. H.; Zhang, J. Y.; Shang, Y. F.; Yu, M. X.; Tan, Y.; Zhang, C. Y.; Zhang, X. Q.; Sun, Y. Effect of the microstructures of silane-modified liquid polybutadiene on the properties of styrene-butadiene rubber. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26151. DOI： CSTR： 32057.14.GFZXB.2026.7673.

摘要

为明确硅烷改性液体聚丁二烯(SiLPB)中1

2-乙烯基含量对橡胶性能的影响，本研究制备了5种不同1

2-乙烯基含量的SiLPB. 核磁共振氢谱(

H-NMR)、傅里叶变换红外光谱(FTIR)与凝胶渗透色谱(GPC)证实各SiLPB硅烷接枝率及分子量基本一致. DSC显示随SiLPB中1

2-乙烯基含量从5%增加到80%，其玻璃化转变温度由-87 ℃升高到-26 ℃. 采用SiLPB替代10 phr传统芳烃油(TDAE)，可有效降低混炼胶门尼黏度，延长焦烧时间及改善白炭黑分散，同时保持与仅含TDAE油参照样(C-Ref)相近的正硫化时间和物理力学性能. 含高乙烯基含量(60%与80%) SiLPB的硫化胶具备更好的耐热氧老化性能，但耐磨性能较C-Ref下降约5%. 中低1

2-乙烯基含量(

45%) SiLPB对橡胶耐磨性能无影响. 动态力学性能和回弹测试表明，所有SiLPB均可显著降低60 ℃下tan

值并提高70 ℃回弹，具有降低滚动阻力的潜力；同时，随SiLPB中1

2-乙烯基含量增加，硫化胶0 ℃下tan

值逐步提高，表明其具有改善抗湿滑性能潜力. 通过调控SiLPB中1

2-乙烯基含量可为胎面材料性能平衡提供新思路.

Abstract

Silane-modified liquid polybutadiene (SiLPB) with different 1

2-vinyl contents were prepared to study the effect of 1

2-vinyl content on rubber properties.

H-NMR

FTIR and GPC results confirmed that the samples SiLPB had similar silane contents and molecular weights. DSC results showed that

as the 1

2-vinyl content in SiLPB was increased from 5% to 80%

its g

lass transition temperature was increased from -87 ℃ to -26 ℃. Replacing 10 phr conventional aromatic oil (TDAE) with SiLPB effectively reduced the Mooney viscosity of the compounds

prolonged the scorch time and improved silica dispersion

while maintaining the similar curing time (

) and physical-mechanical properties to that containing TDAE oil (C-Ref). Vulcanizates containing SiLPB with high 1

2-vinyl content (C-SiLPB60 and C-SiLPB80) exhibited better thermal-oxidative aging resistance

although their abrasion resistance was decreased by approximately 5% compared with C-Ref. In contrast

SiLPB with 1

2-vinyl contents below 45% showed no obvious effect on abrasion resistance. Dynamic mechanical analysis and rebound tests demonstrated that all SiLPB samples significantly reduced the tan

value at 60 ℃ and increased the rebound resilience at 70 ℃

indicating their potential to reduce rolling resistance. Meanwhile

the tan

value at 0 ℃ was gradually increased with increasing 1

2-vinyl content in SiLPB

suggesting the potential to improve wet-skid resistance. These results indicate that regulating the 1

2-vinyl content in SiLPB provides a new strategy for balancing the performance of tire tread materials.

关键词

Keywords

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