文章摘要
杨帅,康勇刚,齐菲.低温对聚乙烯发泡材料动态缓冲性能的影响[J].包装工程,2015,36(7):21-25.
YANG Shuai,KANG Yong-gang,QI Fei.Effect of Low Temperature upon Dynamic Cushioning Properties of EPE Foam Material[J].Packaging Engineering,2015,36(7):21-25.
低温对聚乙烯发泡材料动态缓冲性能的影响
Effect of Low Temperature upon Dynamic Cushioning Properties of EPE Foam Material
投稿时间:2014-09-23  修订日期:2015-04-10
DOI:
中文关键词: 发泡聚乙烯  低温  动态缓冲
英文关键词: expanded polyethylene  low temperature  dynamic cushioning properties
基金项目:
作者单位
杨帅 天津科技大学天津 300222 
康勇刚 天津科技大学天津 300222 
齐菲 天津科技大学天津 300222 
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中文摘要:
      目的 在低温环境条件下, 测试与分析2种冲击高度 (61, 76 cm) 下聚乙烯发泡材料的动态缓冲性能。方法 参考实际包装件流通环境的温度范围, 分别在23, 0, -15, -30 ℃等4种温度条件下进行聚乙烯发泡材料的动态冲击试验。结果 在低温环境条件下的EPE动态冲击曲线中, 对应于最小加速度处的静应力较常温条件下的增加0.9~2.5 kPa, 加速度值降低约7~8 g。结论 低温环境下, 缓冲材料动态载荷能力增加, 其最小加速度值低于常温条件下相同受力状态下的数值。在实际包装设计中, 应结合实际流通环境温度进行缓冲设计。
英文摘要:
      Dynamic cushioning properties of Expanded Polyethylene (EPE) under low temperature conditions were tested and analyzed at drop heights of 61 cm and 76 cm, respectively. Dynamic shock tests of EPE foam material specimens at 23, 0, -15, and -30 ℃ were conducted according to the temperature range of the practical distribution. Compared with the ambient temperature, the static loading ability of the dynamic cushioning curves at low temperature was increased by about 0.9 to 2 kPa while the amplitude of acceleration was reduced by about 7 g to 8 g. In low temperature conditions, the loading ability of the EPE specimens increased while the minimum acceleration level was lower than that under the same force at the ambient temperature. It was recommended that the real temperature in distribution should be taken into account during the design of cushioned packages.
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