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Polymers
Volume 12
Issue 2
10.3390/polym12020315
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Article

Correlation Between the Structure and Compressive Property of PMMA Microcellular Foams Fabricated by Supercritical CO2 Foaming Method

by
Ruizhi Zhang
1,
Ju Chen
1,
Yuxuan Zhu
1,
Jian Zhang
1,
Guoqiang Luo
1,*,
Peng Cao
2,
Qiang Shen
1 and
Lianmeng Zhang
1
1
State Key Lab of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
2
College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China
*
Author to whom correspondence should be addressed.
Polymers 2020, 12(2), 315; https://doi.org/10.3390/polym12020315
Submission received: 19 December 2019 / Revised: 12 January 2020 / Accepted: 27 January 2020 / Published: 3 February 2020
(This article belongs to the Special Issue Extensional Rheology and Processing of Polymeric Materials)
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Abstract

In this study, we fabricated poly (methyl methacrylate) (PMMA) microcellular foams featuring tunable cellular structures and porosity, through adjusting the supercritical CO2 foaming conditions. Experimental testing and finite element model (FEM) simulations were conducted to systematically elucidate the influence of the foaming parameters and structure on compressive properties of the foam. The correlation between the cellular structure and mechanical properties was acquired by separating the effects of the cell size and foam porosity. It was found that cell size reduction contributes to improved mechanical properties, which can be attributed to the dispersion of stress and decreasing stress concentration.
Keywords: cell structure; compressive property; microcellular foams; finite element analysis cell structure; compressive property; microcellular foams; finite element analysis
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MDPI and ACS Style

Zhang, R.; Chen, J.; Zhu, Y.; Zhang, J.; Luo, G.; Cao, P.; Shen, Q.; Zhang, L. Correlation Between the Structure and Compressive Property of PMMA Microcellular Foams Fabricated by Supercritical CO2 Foaming Method. Polymers 2020, 12, 315. https://doi.org/10.3390/polym12020315

AMA Style

Zhang R, Chen J, Zhu Y, Zhang J, Luo G, Cao P, Shen Q, Zhang L. Correlation Between the Structure and Compressive Property of PMMA Microcellular Foams Fabricated by Supercritical CO2 Foaming Method. Polymers. 2020; 12(2):315. https://doi.org/10.3390/polym12020315

Chicago/Turabian Style

Zhang, Ruizhi, Ju Chen, Yuxuan Zhu, Jian Zhang, Guoqiang Luo, Peng Cao, Qiang Shen, and Lianmeng Zhang. 2020. "Correlation Between the Structure and Compressive Property of PMMA Microcellular Foams Fabricated by Supercritical CO2 Foaming Method" Polymers 12, no. 2: 315. https://doi.org/10.3390/polym12020315

APA Style

Zhang, R., Chen, J., Zhu, Y., Zhang, J., Luo, G., Cao, P., Shen, Q., & Zhang, L. (2020). Correlation Between the Structure and Compressive Property of PMMA Microcellular Foams Fabricated by Supercritical CO2 Foaming Method. Polymers, 12(2), 315. https://doi.org/10.3390/polym12020315

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