Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 101, Issue -, Pages 958-964Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2015.10.093
Keywords
Bacterial nano-cellulose; Fiber-cement composites; Mechanical properties; Microstructure
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Funding
- Iran Nanotechnology Initiative Council
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In this study, the potential use of bacterial nano-cellulose (BNC) as powder (P), gel (G), and coated onto the fibers (C) on the mechanical and micro-structural properties of bagasse fiber-cement composites (FCCs) was explored. Results indicated that FCCs containing 6 wt.% fiber content manufactured with BNC-coated fibers and BNC gel enhanced mechanical properties and maximum hydration temperature (MHT). However, P FCCs exhibited inferior properties compared to C and G FCCs. According to Scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDX) analysis, the surface of BNC-coated fibers was rich in hydration products whilst penetration of alkaline ions into the lumen was reduced. BNC created both a strong interface with cement and prevented fiber mineralization. (C) 2015 Elsevier Ltd. All rights reserved.
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