Research on the Dynamic Compressibility of Polyurethane Microcellular Elastomer and its Application for Impact Resistance

Zhi-Ying Zhao; Hao Jiang; Xiao-Dong Li; Xu-Dong Zhang; Xing Su; Mei-Shuai Zou

doi:10.1007/s10118-024-3134-4

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Research on the Dynamic Compressibility of Polyurethane Microcellular Elastomer and its Application for Impact Resistance

RESEARCH ARTICLE | Updated：2024-08-06

- Research on the Dynamic Compressibility of Polyurethane Microcellular Elastomer and its Application for Impact Resistance
- Research on the Dynamic Compressibility of Polyurethane Microcellular Elastomer and its Application for Impact Resistance
- 高分子科学（英文版） 2024年42卷第8期页码：1185-1197
- Affiliations：
  
  School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
- Author bio：
  
  jiangh@bit.edu.cn (H.J.)
  zoums@bit.edu.cn (M.S.Z.)
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (No. 22270509).
- DOI：10.1007/s10118-024-3134-4
  中图分类号：
- 收稿：2023-12-18，
  
  修回：2024-03-18，
  
  录用：2024-04-01，
  
  网络首发：2024-05-17，
  
  纸质出版：2024-08-01
- Accepted：
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Zhao, Z. Y.; Jiang, H.; Li, X. D.; Zhang, X. D.; Su, X.; Zou, M. S. Research on the dynamic compressibility of polyurethane microcellular elastomer and its application for impact resistance. Chinese J. Polym. Sci. 2024, 42, 1185–1197

Zhi-Ying Zhao, Hao Jiang, Xiao-Dong Li, et al. Research on the Dynamic Compressibility of Polyurethane Microcellular Elastomer and its Application for Impact Resistance[J]. Chinese Journal of Polymer Science, 2024, 42(8): 1185-1197.
Zhao, Z. Y.; Jiang, H.; Li, X. D.; Zhang, X. D.; Su, X.; Zou, M. S. Research on the dynamic compressibility of polyurethane microcellular elastomer and its application for impact resistance. Chinese J. Polym. Sci. 2024, 42, 1185–1197 DOI： 10.1007/s10118-024-3134-4.

Zhi-Ying Zhao, Hao Jiang, Xiao-Dong Li, et al. Research on the Dynamic Compressibility of Polyurethane Microcellular Elastomer and its Application for Impact Resistance[J]. Chinese Journal of Polymer Science, 2024, 42(8): 1185-1197. DOI： 10.1007/s10118-024-3134-4.

摘要

Abstract

The packaging materials with cushioning performance are used to prevent the internal contents from being damaged by the impact and vibration of external forces. The polyurethane microcellular elastomers (PUMEs) can absorb energy through cell collapse and molecular chain creep. In this study

PUMEs with different densiti

es were investigated by scanning electron microscopy

dynamic mechanical analysis and dynamic compression tests. PUMEs exhibited significant impact resistance and the maximum peak stress attenuation ratio reached 73.33%. The protective equipment was made by PUME with the optimal density of 600 kg/m

and then the acceleration sensing device installed with the same protective equipment fell from a height of 3

5 and 10 m to evaluate the energy-absorbing property and reusability of PUMEs. The results showed that PUMEs equipment reduced the peak acceleration of the device by 93.84%

with a maximum deviation of 9% between actual test and simulation

and shortened the impact time of first landing by 57.39%. In addition

the equipment PUMEs equipment could effectively reduce the stress on the protected items.

关键词

Keywords

references

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