Abstract
In this study, silicone rubber foam (SF) was prepared through cross-linking and foaming. The effects of ethanol content on the SF were investigated in terms of the physical properties, static cushioning properties, dynamic thermomechanical properties, and dynamic fatigue properties. The cell structure was characterized using scanning electron microscopy and its relationship with the SF properties was analyzed. With increasing ethanol content, the cell diameter increases gradually and its uniformity deteriorates. Moreover, the density, tensile strength, and elongation at breaking of the SF samples gradually decrease. In addition, with the increase of strain and stress, the cushioning coefficient of SF decreases initially and then increases, and the fatigue times worsens with increasing ethanol content. However, fatigue process has little effect on the cushioning performance of SF, which means the SF can be used as reusable packaging materials and thereby reduce environmental pollution.
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: 51703058
Funding source: China packaging industry Transformation and Development Special Research
Award Identifier / Grant number: 2016ZBLZ02
Funding source: Natural Science Foundation of Hunan
Award Identifier / Grant number: 2017JJ4006
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: The authors gratefully acknowledge the financial support by National Natural Science Foundation of China (no. 51703058), China Packaging Industry Transformation and Development Special Research (no. 2016ZBLZ02), and the Natural Science Foundation of Hunan (no. 2017JJ4006).
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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