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This paper introduced the process and performance of reaction injection molding polyurethane car trunk cover plate, and compared it with traditional car trunk cover plate. The results show that reaction injection molding polyurethane car trunk cover plate is easy to clean and daily maintain, it reduces the risk of sliding of items in the luggage compartment when the car is turning, improves the driving experience. At the same time, acetaldehyde is significantly reduced, and other properties also meet the requirements for trunk cover plate.
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介绍了反应注射成形聚氨酯汽车行李箱盖板的工艺和性能,并与传统的汽车行李箱盖板对比,结果表明:反应注射成形聚氨酯汽车行李箱盖板能实现易清洁的特性,便于日常打理;能降低车辆在行驶转弯时行李箱内物品滑动的风险,提升驾乘体验;同时乙醛显著减低,其他性能也符合行李箱盖板要求。
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安林林(1985—),男,高级工程师,硕士学位,研究方向为汽车非金属材料研究与应用。
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安林林(1985—),男,高级工程师,硕士学位,研究方向为汽车非金属材料研究与应用。
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安林林(1985—),男,高级工程师,硕士学位,研究方向为汽车非金属材料研究与应用。
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| 试验项目 | 聚氨酯材料 | PET材料 |
| 密度/g·cm-3 | 1.2 | |
| 邵氏硬度A/15 s | 85 | |
| 拉伸强度/MPa | 10 | |
| 断裂伸长率/% | 150 | 10 |
| 撕裂强度/N·mm-1 | 25 | 20 |
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聚氨酯弹性体表皮和PET无纺布性能对比
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| 试验项目 | 聚氨酯材料 | PET材料 |
| 密度/g·cm-3 | 1.2 | |
| 邵氏硬度A/15 s | 85 | |
| 拉伸强度/MPa | 10 | |
| 断裂伸长率/% | 150 | 10 |
| 撕裂强度/N·mm-1 | 25 | 20 |
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| 试验项目 | 聚氨酯弹性体表皮 | PET无纺布 |
| 静摩擦系数 | 0.77 | 0.29 |
| 动摩擦系数 | 0.96 | 0.31 |
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聚氨酯弹性体表皮和PET无纺布摩擦系数对比
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| 试验项目 | 聚氨酯弹性体表皮 | PET无纺布 |
| 静摩擦系数 | 0.77 | 0.29 |
| 动摩擦系数 | 0.96 | 0.31 |
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| 试验项目 | 聚氨酯弹性体表皮行李箱盖板/μg | PET无纺布行李箱盖板/μg |
| 苯 | 3 | 2 |
| 甲苯 | 6 | 4 |
| 乙苯 | 6 | 1 |
| 二甲苯 | 30 | 3 |
| 苯乙烯 | 20 | 2 |
| 甲醛 | 44 | 5 |
| 乙醛 | 23 | 270 |
| 丙烯醛 | 2 | 5 |
| TVOC | 850 | 1 460 |
| 气味等级 | 3.5 | 3.5 |
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聚氨酯弹性体行李箱盖板和PET无纺布行李箱盖板散发性能对比
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| 试验项目 | 聚氨酯弹性体表皮行李箱盖板/μg | PET无纺布行李箱盖板/μg |
| 苯 | 3 | 2 |
| 甲苯 | 6 | 4 |
| 乙苯 | 6 | 1 |
| 二甲苯 | 30 | 3 |
| 苯乙烯 | 20 | 2 |
| 甲醛 | 44 | 5 |
| 乙醛 | 23 | 270 |
| 丙烯醛 | 2 | 5 |
| TVOC | 850 | 1 460 |
| 气味等级 | 3.5 | 3.5 |
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| 试验项目 | 结果 |
| 耐低温 | 符合 |
| 耐湿热交变 | 符合 |
| 耐冲击 | 符合 |
| 变形量 | 符合 |
| 摩擦色牢度 | 符合 |
| 剥离力 | 符合 |
| 耐光老化 | 符合 |
| 抗霉变 | 符合 |
| 阻燃性 | 符合 |
| 禁用物质 | 符合 |
), ArticleFig(id=1209880197151723755, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862448119673213, language=CN, label=表4, caption=
聚氨酯弹性体行李箱盖板其他性能
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| 试验项目 | 结果 |
| 耐低温 | 符合 |
| 耐湿热交变 | 符合 |
| 耐冲击 | 符合 |
| 变形量 | 符合 |
| 摩擦色牢度 | 符合 |
| 剥离力 | 符合 |
| 耐光老化 | 符合 |
| 抗霉变 | 符合 |
| 阻燃性 | 符合 |
| 禁用物质 | 符合 |
), ArticleFig(id=1209880197227221232, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862448119673213, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验环境 | 试验温度/℃ | 试验湿度/% | 试验时间/h |
| 室温 | 23±2 | 50±5 | 1 |
| 低温 | -40±2 | | 3 |
| 室温 | 23±2 | 50±5 | 1 |
| 高湿 | 50±2 | 95±5 | 6 |
| 高温 | 80±2 | | 6 |
| 室温 | 23±2 | 50±5 | 1 |
), ArticleFig(id=1209880197319495922, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1209862448119673213, language=CN, label=表5, caption=
湿热交变试验条件
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| 试验环境 | 试验温度/℃ | 试验湿度/% | 试验时间/h |
| 室温 | 23±2 | 50±5 | 1 |
| 低温 | -40±2 | | 3 |
| 室温 | 23±2 | 50±5 | 1 |
| 高湿 | 50±2 | 95±5 | 6 |
| 高温 | 80±2 | | 6 |
| 室温 | 23±2 | 50±5 | 1 |
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