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| 载重轮胎9.00－20 16PR和10.00－20 16PR高速强载性能优化研究 |
| Optimization for speed performance and load capacity of 9.00-20 16PRand 10.00-20 16PR truck tires |
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| DOI： |
| 中文关键词: 载重斜交轮胎；高速性能；耐久性能 |
| 英文关键词: bias truck tire；speed performance；endurance |
| 基金项目: |
| 中图分类号:U463.341＋.3 |
| Author Name | Affiliation | | XING Yu－bo | Shandong Linglong Rubber Co.， Ltd | | SUI Pei－xing | Shandong Linglong Rubber Co.， Ltd | | SUN Tao | Shandong Linglong Rubber Co.， Ltd | | LIU Chun－bao | Shandong Linglong Rubber Co.， Ltd | | CONG Shou－qing | Shandong Linglong Rubber Co.， Ltd |
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| 中文摘要: |
| 对9.00－20 16PR和10.00－20 16PR载重斜交轮胎的结构设计、配方设计和工艺控制三个方面进行了改进。在结构设计方面包括减小行驶面宽度，外层及缓冲层裁断角度增大1°，增大帘布的反包高度，拉大各布层级差等；配方设计方面包括胎冠胶采用炭黑/白炭黑补强体系，Si69、硫黄及次磺酰胺类促进剂的用量比为1/1/1，胎肩胶中NR用量由80份增大为90份等；工艺控制方面改善裁断、压延工艺控制，调整硫化时间等。改进后轮胎的150%负荷耐久试验时间延长了1倍，速度性能提高。 |
| 英文摘要: |
| The modifications of 9.00-20 16PR and 10.00-20 16PR truck tires were made in terms of structure design，formulation and process control.The particular measures were as follows：decrease the width of tread，increase the cutting angles of outer plies and breaker by 1°，raise the turn－up，and enlarge the off－widths among different plies for construction design；use black/silica reinforcing system and Si69/sulfur/sulferamide （1/1/1） curing system in tread compound and increase the NR proportion from 80 phr to 90 phr in shoulder compound for formulation；and improve the control of cutting and canlendering processes for process control.The endurance life of the modified tire at 150% load extended by 100%，and the speed performance also improved. |
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