Surface Wettability of Gigantochloa scortechinii Bamboo Fibers: Effects of Heat Treatment and Epoxy Coating in Seawater
Source abstract
Abstract
This study investigates the effects of epoxy coating and heat treatment on the surface wettability of Gigantochloa scortechinii bamboo in marine environments with varying seawater salinity. Bamboo strips were heat-treated at 160ºC, 170ºC, and 180ºC, followed by single and double layers of epoxy coating. Analyses of chemical changes and microstructures were performed using ATR-FTIR and FESEM. Surface wettability was evaluated through contact angle measurements. The results showed a reduction in bamboo hydrophilicity at 180ºC, as well as smoother surfaces and altered chemical compositions in treated specimens. Double-layer epoxy coatings provided better surface protection against water exposure. Increased hydrophobicity was observed with higher treatment temperatures, particularly at 180ºC. Additionally, bamboo surfaces in 100% saline solutions demonstrated higher wettability compared to 50% and 0% salinity levels. These findings indicate that the combination of 180ºC heat treatment and double-layer epoxy coating enhances bamboo’s hydrophobicity, making it more suitable for marine applications.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Bamboo properties and applications · Natural Fiber Reinforced Composites · Advanced Cellulose Research Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical and Manufacturing Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Malaysia
Department of Mechanical, Energy and Industrial Design, Botswana International University of Science and Technology, Palpye, Botswana
Funding
Ministry of Higher Education
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