Compression Properties of Two Novel Natural Luffa Mattress Filling Materials
2021
Chen, Yuxia | Zhang, Kaiting | Guo, Yong | Yuan, Fangcheng | Zhu, Zhenzhen | Weng, Beibei | Dai, Linhong | Wu, Shanshan | Su, Na
Luffa is expected to become a substitute for mattress filling materials due to its natural biodegradability, light texture, good air permeability, higher water absorption, and desorption. In this paper, two-variety luffa cylinders (LCs) as mattress filling materials were investigated. The results showed that the compressive strength and plateau stress of both the high-density and low-density LCs significantly related to their density. However, the compressive strength and plateau stress of the high-density LCs were about 3 times that of the low-density LCs, while the firmness of the high-density luffa mattresses was no more than 3 times that of the low-density luffa mattresses. Furthermore, the compression treatment of the LCs has a great effect on the firmness of the luffa mattresses. The compressive treatment of the LCs to the densification stage increased the Dcₒᵣₑ of the low-density luffa mattresses but decreased the Dcₒᵣₑ of the high-density luffa mattress. The firmness of the low-density luffa mattress was lower than that of 3D jute, carvel jute, and palm mattresses.
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