Chemical-Physical Treatment for Production of Cellulose Nanofiber from Kenaf Bast Fiber

Sulaiman, Safwan; Sahat, Nur Shakira; Omar, Farah Nadia; Mokhtar, Mohd Noriznan; Naim, Mohd Nazli; Baharuddin, Azhari Samsu; Salleh, Mohamad Amran Mohd

doi:10.1080/15440478.2020.1863288

Cited by 6 publications

(3 citation statements)

References 38 publications

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“…The surface structure of the Kenaf-based CNFs indicated no distortion in the amorphous region of the isolated CNFs in Figure 1a, which signifies its potential for reinforcement even though the reduction in the thickness of the fibres was observed in Figure 1b. This may be attributed to the changes observed in the colour of suspension when heated during the bleaching of fibre [18]. The effect of bleaching may have reduced the thickness of the fibre diameter due to the decomposition of the lignocellulosic content of the fibre.…”

Section: Characterisation Of Macroalgae/cnf Biopolymer Filmmentioning

confidence: 99%

“…The effect of bleaching may have reduced the thickness of the fibre diameter due to the decomposition of the lignocellulosic content of the fibre. colour of suspension when heated during the bleaching of fibre [18]. The effect of bleaching may have reduced the thickness of the fibre diameter due to the decomposition of the lignocellulosic content of the fibre.…”

Section: Characterisation Of Macroalgae/cnf Biopolymer Filmmentioning

confidence: 99%

“…Kenaf bast fibres have superior properties as reinforcement agents [17]. The fibre's high specific strength and modulus have attracted significant interests due to the good mechanical properties, large specific surface area, and low coefficient of thermal expansion, including high aspect ratio [18].…”

Section: Introductionmentioning

confidence: 99%

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Improved Hydrophobicity of Macroalgae Biopolymer Film Incorporated with Kenaf Derived CNF Using Silane Coupling Agent

et al. 2021

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Hydrophilic behaviour of carrageenan macroalgae biopolymer, due to hydroxyl groups, has limited its applications, especially for packaging. In this study, macroalgae were reinforced with cellulose nanofibrils (CNFs) isolated from kenaf bast fibres. The macroalgae CNF film was after that treated with silane for hydrophobicity enhancement. The wettability and functional properties of unmodified macroalgae CNF films were compared with silane-modified macroalgae CNF films. Characterisation of the unmodified and modified biopolymers films was investigated. The atomic force microscope (AFM), SEM morphology, tensile properties, water contact angle, and thermal behaviour of the biofilms showed that the incorporation of Kenaf bast CNF remarkably increased the strength, moisture resistance, and thermal stability of the macroalgae biopolymer films. Moreover, the films’ modification using a silane coupling agent further enhanced the strength and thermal stability of the films apart from improved water-resistance of the biopolymer films compared to unmodified films. The morphology and AFM showed good interfacial interaction of the components of the biopolymer films. The modified biopolymer films exhibited significantly improved hydrophobic properties compared to the unmodified films due to the enhanced dispersion resulting from the silane treatment. The improved biopolymer films can potentially be utilised as packaging materials.

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Section: Characterisation Of Macroalgae/cnf Biopolymer Filmmentioning

confidence: 99%

Section: Characterisation Of Macroalgae/cnf Biopolymer Filmmentioning

confidence: 99%