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| 差示扫描量热法鉴别轮胎中的纤维骨架材料 |
| Identification of Fiber Skeleton Materials in Tires by Differential Scanning Calorimetry |
| Received:February 24, 2021 Revised:February 24, 2021 |
| DOI： |
| 中文关键词: 差示扫描量热法；纤维骨架材料；轮胎剖析；结晶温度；热裂解温度；结晶焓 |
| 英文关键词: differential scanning calorimetry；fiber skeleton material；tire analysis；crystallization temperature；pyrolysis temperature；crystallization enthalpy |
| 基金项目: |
| 中图分类号: |
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| 中文摘要: |
| 研究通过差示扫描量热法对聚酯PET、锦纶66、锦纶6、芳纶、芳纶/锦纶66复合帘线和人造丝的两种热效应（结晶和热裂解）进行测定来鉴别各纤维骨架材料的方法。结果表明：聚酯PET、锦纶66和锦纶6可通过结晶温度的不同进行鉴别；芳纶和人造丝可通过热裂解温度的不同进行鉴别；对于芳纶/锦纶66复合帘线，锦纶66占比与其结晶焓之间的线性关系良好，可进行复合帘线中锦纶66的定量分析。 |
| 英文摘要: |
| Through determination of two kinds of thermal effects（crystallization and pyrolysis） of polyester PET，nylon 66，nylon 6，aramid，aramid/nylon 66 composite cord and rayon by differential scanning calorimetry，the dentified method of fiber skeleton materials was proposed.The results showed that polyester PET，nylon 66 and nylon 6 could be identified by different crystallization temperatures.Aramid and rayon could be identified by different pyrolysis temperatures.For aramid/nylon 66 composite cord，the linear relationship between the proportion of nylon 66 and its crystallization enthalpy was good，which could be used for quantitatively analysis of nylon 66 in composite cord. |
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