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| 高温硫化无后充气聚酯轿车子午线轮胎的研制 |
| Development of Polyester Car Tyre Cured at Elevated Temperature Without Post-cure Inflation |
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| DOI： |
| 中文关键词: 高温强制硫化工艺；聚酯帘线；轿车子午线轮胎 |
| 英文关键词: fast curing technology；elevated temperature；polyester cord；car radial tyre |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | | Dai Jinyu | Liaoning Long March Tyre Company | | Yang Lijun | Liaoning Long March Tyre Company |
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| 中文摘要: |
| 高温无后充气硫化需采用尺寸稳定型聚酯帘线作轮胎补强材料，硫化介质用饱和蒸汽代替过热水，当180 ℃×30 min热收缩率为2%以内时，其成型施工机头宽度在人造丝基础上增加4-6 mm。为防止胶料返原，合成橡胶用量由15%-40%增加到30%-60%。室内外试验结果表明，高温无后充气硫化轮胎外缘尺寸虽然膨胀率大于人造丝胎体，但完全可满足设计要求，且实际应用时断面膨大率仅为0.6%-0.7%。高温强制硫化工艺在不增加设备投资和生产费用的情况下，可提高生产效率2倍以上。 |
| 英文摘要: |
| The following measures should be taken when the car tyre is cured at the elevated temperature without post-cure inflation :a.DSP polyester is used as the reinforcement;b.the saturated steam is used as curing medium instead of superheated water;c.4-6mm should be added to the working width of the building drum for rayon as the thermal shrinkage at 180 ℃×30 min is lower than 2 %. The SR level is increased from 15 %-40 % to 30 %-60 % to prevent the compound from reversion. The indoor and outdoor test results show that although the growth of the overall diameter of DSP polyester tyre cured at the elevated temperature without post-cure inflation is greater than that of rayon tyre ,but it is still in accordance with the design requirement ,and its sectional growth in the service is only 0.6 %-0.7 %.The fast curing technology at the elevated temperature provides an increase of productivity by two times without additional equipment investment and production cost. |
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