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| 国产高模量低收缩聚酯帘线在高性能轿车子午线轮胎中的应用 |
| Application of domestically produced DSP to performance tire |
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| DOI： |
| 中文关键词: 聚酯帘线；模量；热收缩率；尺寸稳定性；轿车子午线轮胎 |
| 英文关键词: polyester cord；DSP；modulus；thermal shrinkage；dimension stability；performance tire |
| 基金项目: |
| 中图分类号:TQ330.38＋9；U463.341＋.6 |
| Author Name | Affiliation | | CHEN Min-ling | Beijing Research and Design Institute of Rubber Industry | | QUE Yuan-yuan | Beijing Research and Design Institute of Rubber Industry |
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| 中文摘要: |
| 研究了国产尺寸稳定性较佳的高模量低收缩聚酯帘线(简称DSP)在高性能轿车子午线轮胎中的应用。试验结果表明，国产DSP帘线的尺寸稳定性好，经耐久性和高速性能试验后轮胎外直径只比试验前膨胀0.3%～0.5%，断面宽变化率绝对值为0.2%～0.7%；其热收缩率小，在高温硫化下可以不用后充气；国产DSP帘线的强力保持率和滞后损失率均与进口1X30帘线接近；试制的采用DSP轮胎的耐久性达到200 h，高速性能达到290 km·h-1速度级别轮胎的性能要求。 |
| 英文摘要: |
| The application of domestically produced DSP to performance tire was investigated.The test results showed that the overall diameter of test tire after endurance and speed tests was only 0.3%～0.5% greater than that of tire before tests，and the absolute value of sectional width changed by 0.2%～0.7%；the test tire didn′t need post-cure because of lower thermal shrinkage of domestically produced DSP；the strength retension and hysteresis of domestically produced DSP cord were similar to those of imported 1X30 DSP cord；and the endurance of test DSP tire reached 200 h and the speed reached 290 km·h-1，which could meet the requirements for V speed-rated tire. |
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