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高导热全钢载重子午线轮胎胎冠胶配方的研究
Study on Formulation of Crown Compound of TBR Tire with High Thermal Conductivity
Received:July 25, 2022  Revised:July 25, 2022
DOI：10.12137/j.issn.2095-5448.2022.09.0437
中文关键词: 导热填料；全钢载重子午线轮胎；胎面胶；基部胶；导热性能
英文关键词: thermal conductive filler；TBR tire；tread compound；base compound；thermal conductivity
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Author NameAffiliationE-mail
NIU Fei Hixih Rubber Industry Group Co.，Ltd wei.li@hixih.com.cn 
LI Aijiao* Shandong Hixih Rubber Technology Co.，Ltd aijiao.li@hixih.com.cn 
LI Wei Tongli Tyre Co.，Ltd  
MU Chengqian Shandong Hixih Rubber Technology Co.，Ltd  
HU Yuan Tongli Tyre Co.，Ltd  
LI Jianxun Jining Qilu Testing Technology Co.，Ltd  
QI Qingsen Jining Qilu Testing Technology Co.，Ltd  
GAO Ming Jining Qilu Testing Technology Co.，Ltd  
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中文摘要:
      通过在中长途用全钢载重子午线轮胎胎面胶及基部胶配方中添加导热填料，研究在保证胶料物理性能的前提下进一步提高胶料的导热性能。结果表明：在胎面胶中添加6份乙炔炭黑，胶料具有较好的综合性能，100%定伸应力、300%定伸应力、撕裂强度和导热系数分别提高11.7%，8.2%，4.6%和6.2%；在基部胶中添加8份氮化硅，胶料的100%定伸应力和300%定伸应力相差不大，拉伸强度、拉断伸长率和撕裂强度有所降低，导热系数提高约5%。本工作选用的胶料配方仍有很大的优化空间。
英文摘要:
      By adding thermal conductive fillers in the formulas of tread and base compound of medium and long-distance TBR tire，the thermal conductivity was further improved on the premise of ensuring the physical properties of the compounds.The results showed that，the tread compound with 6 phr acetylene carbon black had better overall properties，the modulus at 100% elongation，modulus at 300% elongation，tear strength and thermal conductivity of the compound increased by 11.7%，8.2%，4.6% and 6.2% respectively.When 8 phr silicon nitride were added to the base compound，there was little difference between the modulus at 100% elongation and modulus at 300% elongation，but the tensile strength，elongation at break and tear strength decreased，and the thermal conductivity increased by about 5%.There was still a lot of room for formulation optimization of compound in this study.
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