温度对纸浆模塑制品静态抗压性能的影响

肖颖喆; 邵珍珠; 莫灿梁

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温度对纸浆模塑制品静态抗压性能的影响
肖颖喆¹, 邵珍珠¹, 莫灿梁²
1.湖南工业大学包装新材料与技术重点实验室，株洲 412008;2.东莞市汇林包装有限公司，东莞 523520

摘要:

目的研究典型温度条件下纸浆模塑制品整体的静态抗压性能。方法在温度为5， 23， 40 ℃环境下对纸浆模塑材料进行含水率、弹性模量及整体静态抗压测试，并分析了制品整体的载荷-位移曲线。结果在温度40 ℃，湿度50%条件下，制品的第2次屈曲载荷相对较高，以40 ℃为基准，当温度为5 ℃， 23 ℃时制品的第2次平均屈曲载荷分别降低16.7%， 30.0%。结论 40 ℃时纸浆模塑制品的静态抗压性能相对较好。

关键词: 纸浆模塑温度含水率弹性模量抗压性能

DOI：

分类号:TB484.1；TB487

基金项目:湖南工业大学自科项目（3510005）；湖南工业大学研究生创新基金（cx1501）

Effect of Temperature on the Static Compression of Molded Pulp Products

XIAO Ying-zhe¹, SHAO Zhen-zhu¹, MO Can-liang²

1.Key Laboratory of New Packaging Materials and Technology， Hunan University of Technology， Zhuzhou 412008，China;2.Huilin Packaging Co.， Ltd.， Dongguan 523520， China

Abstract:

In this paper, the overall static compression performance of molded pulp was studied at typical temperatures. The moisture content and elastic modulus of molded pulp materials as well as the overall static compression on molded pulp products were studied in environments with temperature of 5, 23, 40 ℃, respectively. And the overall load - displacement curves of the products were analyzed. The second article buckling load was relatively high under the conditions of 40 ℃ and 50% humidity. When the temperature decreased from 40 ℃ to 23 ℃ and 5 ℃， the second article buckling load decreased by 16.7% and 30.0%, respectively. The static compressive properties of molded pulp products were relatively good at 40 ℃.

Key words: molded pulp temperature moisture content elastic modulus compression performance