Preprint Article Version 1 This version is not peer-reviewed

In-depth Analysis of the Structure and Properties of Two-variety Natural Luffa Sponge Fibers

Version 1 : Received: 5 March 2017 / Approved: 6 March 2017 / Online: 6 March 2017 (04:32:21 CET)

A peer-reviewed article of this Preprint also exists.

Chen, Y.; Su, N.; Zhang, K.; Zhu, S.; Zhao, L.; Fang, F.; Ren, L.; Guo, Y. In-Depth Analysis of the Structure and Properties of Two Varieties of Natural Luffa Sponge Fibers. Materials 2017, 10, 479. Chen, Y.; Su, N.; Zhang, K.; Zhu, S.; Zhao, L.; Fang, F.; Ren, L.; Guo, Y. In-Depth Analysis of the Structure and Properties of Two Varieties of Natural Luffa Sponge Fibers. Materials 2017, 10, 479.

Journal reference: Materials 2017, 10, 479
DOI: 10.3390/ma10050479

Abstract

The advancement in science and technology has led to luffa sponge (LS) being widely used as a natural material in industrial application as its polyporous structure and light texture. In order to enhance the utility of LS fibers as the reinforcement of lightweight composite materials, this study investigate its water absorption, mechanical properties, anatomical characteristic and thermal performance. Hence, moisture regain, tensile properties of LS fiber bundles were measured in accordance with standards and the structural characteristics were investigated via microscopic observation. Scanning electron microscopy (SEM) was used to observe the surface morphology and fracture surface of fiber bundles. Test results shows that the special structure where the phloem tissues degenerate to cavities had a significant influence on the mechanical properties of LS fiber bundles. Additionally, the transverse sectional area occupied by fibers in a fiber bundle (SF), wall thickness and ratio of wall to lumen of fiber cell, and crystallinity of cellulose had an impact on the mechanical properties of LS fiber bundles. Furthermore, the fiber bundles density of LS varies range of 385.46-468.70 kg/m3, much less than that of jute (1360.40 kg/m3) and Arenga engleri (950.20 kg/m3) while LS fiber bundles has superior specific modulus.

Subject Areas

luffa sponge fiber bundles; mechanical properties; anatomical characteristic; moisture regain; thermal performance

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