Effect of cellulose nanofiber-montmorillonite hybrid filler on the melt blending of thermoplastic starch composites

Son, Dasom; Lee, Junhyuk; Kim, Sung Kyu; Hong, Jungi; Jung, Hyunwook; Shim, Jin Kie; Kang, DongHo

doi:10.1016/j.ijbiomac.2023.127236

International Journal of Biological Macromolecules

2024

DOI: 10.1016/j.ijbiomac.2023.127236

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Effect of cellulose nanofiber-montmorillonite hybrid filler on the melt blending of thermoplastic starch composites

Dasom Son,

Junhyuk Lee,

Sung Kyu Kim

et al.

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2024

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Cited by 3 publications

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Multifunctional Ti3C2Tx MXene-reinforced thermoplastic starch nanocomposites for sustainable packaging solutions

Dong,

Bilotti,

Zhang

et al. 2024

International Journal of Biological Macromolecules

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Multifunctional Ti3C2Tx MXene-reinforced thermoplastic starch nanocomposites for sustainable packaging solutions

Dong,

Bilotti,

Zhang

et al. 2024

International Journal of Biological Macromolecules

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Controlling grafting density of compatibilizer to enhance performance of thermoplastic Starch/Poly(butylene adipate-co-terephthalate) blends

Kim,

Lee,

Son

et al. 2024

Polymer

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Effect of Glycerol and Sisal Nanofiber Content on the Tensile Properties of Corn Starch/Sisal Nanofiber Films

de Vilhena,

Paula,

de Oliveira

et al. 2024

Polymers

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Currently, petroleum-derived plastics are widely used despite the disadvantage of their long degradation time. Natural polymers, however, can be used as alternatives to overcome this obstacle, particularly cornstarch. The tensile properties of cornstarch films can be improved by adding plant-derived nanofibers. Sisal (Agave sisalana), a very common low-cost species in Brazil, can be used to obtain plant nanofibers. The goal of this study was to obtain sisal nanofibers using low concentrations of sulfuric acid to produce thermoplastic starch nanocomposite films. The films were produced by a casting technique using commercial corn starch, glycerol, and sisal nanofibers, accomplished by acid hydrolysis. The effects of glycerol and sisal nanofiber content on the tensile mechanical properties of the nanocomposites were investigated. Transmission electron microscopy findings demonstrated that the lowest concentration of sulfuric acid produced fibers with nanometric dimensions related to the concentrations used. X-ray diffraction revealed that the untreated fibers and fibers subjected to acid hydrolysis exhibited a crystallinity index of 61.06 and 84.44%, respectively. When the glycerol and nanofiber contents were 28 and 1%, respectively, the tensile stress and elongation were 8.02 MPa and 3.4%. In general, nanocomposites reinforced with sisal nanofibers showed lower tensile stress and higher elongation than matrices without nanofibers did. These results were attributed to the inefficient dispersion of the nanofibers in the polymer matrix. Our findings demonstrate the potential of corn starch nanocomposite films in the packaging industry.

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Effect of cellulose nanofiber-montmorillonite hybrid filler on the melt blending of thermoplastic starch composites

Cited by 3 publications

References 45 publications

Multifunctional Ti3C2Tx MXene-reinforced thermoplastic starch nanocomposites for sustainable packaging solutions

Multifunctional Ti3C2Tx MXene-reinforced thermoplastic starch nanocomposites for sustainable packaging solutions

Controlling grafting density of compatibilizer to enhance performance of thermoplastic Starch/Poly(butylene adipate-co-terephthalate) blends

Effect of Glycerol and Sisal Nanofiber Content on the Tensile Properties of Corn Starch/Sisal Nanofiber Films

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