Preparation and characterization of starch-based composite films reinforced by cellulose nanofibers

Fazeli, Mahyar; Keley, Meysam; Biazar, Esmaeil

doi:10.1016/j.ijbiomac.2018.04.186

Cited by 157 publications

(71 citation statements)

References 55 publications

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“…Starch is a very attractive material for new packaging systems because it is easy to process using common plastic processing equipment . However, it has limited application due to its highly hydrophilic nature and poor mechanical properties . Although native starches usually present unsatisfactory properties for most industrial applications, they can be modified by physical, chemical, and enzymatic treatments…”

Section: Sources Of Renewable Materialsmentioning

confidence: 99%

“…35 However, it has limited application due to its highly hydrophilic nature and poor mechanical properties. 36 Although native starches usually present unsatisfactory properties for most industrial applications, they can be modified by physical, chemical, and enzymatic treatments. 37 The modifications made by physical methods mainly consist of the repetition of heating-cooling cycles that lead to the reorganization of linear chains of the starch into a new structure that is resistant to hydrolysis caused by digestive enzymes.…”

Section: Starchmentioning

confidence: 99%

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Starch–gelatin film as an alternative to the use of plastics in agriculture: a review

et al. 2019

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BACKGROUND The technological advances in agriculture, driven by the increased demand for food attributed to population growth, have led to the search for technologies that allow greater control over the variables that interfere in crop yield. Several techniques stand out for optimizing yield capacity, including cultivation in a protected environment, mulching and low tunneling. To expand the use of these techniques, synthetic petroleum‐based polymers are employed due to their low cost, easy processing, and lightness. However, they take a long time to degrade, and, since they are discarded at the end of each cycle of cultivation, end up accumulating in the environment causing irreversible damage. RESULTS The use of biodegradable films, made of starch and/or a protein source such as gelatin, has been studied as a promising alternative. Both stand out because of their film‐forming ability, and because they come from abundant sources and are biodegradable. CONCLUSION This study aimed to review the current findings on starch and gelatin films that can be used as alternatives to conventional plastics in agricultural crops. © 2019 Society of Chemical Industry

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Section: Sources Of Renewable Materialsmentioning

confidence: 99%

Section: Starchmentioning

confidence: 99%

Starch–gelatin film as an alternative to the use of plastics in agriculture: a review

et al. 2019

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“…Cellulose nanofiber (CNF) has been accepted as a valid nanofiller that can improve the mechanical properties of composite materials by both mechanical and chemical methods [1][2][3][4]. Nishino et al [5] determined that the elastic modulus of natural cellulose in the longitudinal direction was 138 GPa.…”

Section: Introductionmentioning

confidence: 99%

Multi-Scale Analysis and Testing of Tensile Behavior in Polymers with Randomly Oriented and Agglomerated Cellulose Nanofibers

et al. 2020

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Cellulose nanofiber (CNF) has been accepted as a valid nanofiller that can improve the mechanical properties of composite materials by mechanical and chemical methods. The purpose of this work is to numerically and experimentally evaluate the mechanical behavior of CNF-reinforced polymer composites under tensile loading. Finite element analysis (FEA) was conducted using a model for the representative volume element of CNF/epoxy composites to determine the effective Young's modulus and the stress state within the composites. The possible random orientation of the CNFs was considered in the finite element model. Tensile tests were also conducted on the CNF/epoxy composites to identify the effect of CNFs on their tensile behavior. The numerical findings were then correlated with the test results. The present randomly oriented CNF/epoxy composite model provides a means for exploring the property interactions across different length scales.

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“…Nanocomposites reinforced by cellulose nanofibers (CNF) have obtained much attention, mainly due to their excellent mechanical properties compared to microcomposites. Fazeli et al stated that the incorporation of CNF into starch matrix incredibly improved the material properties. Since CNF is naturally originated from plants, it offers high biodegradability, renewability, and biocompatibility; making it better rating compared to noncellulosic nanofibers, especially for biomaterial application.…”

Section: Introductionmentioning

confidence: 99%

“…To prepare suitable interfacial interactions, the surface properties should be improved appropriately . Physical treatments such as corona treatment, plasma treatments, and electron beam irradiation, chemical treatments like alkali treatment, silane treatment, and acetylation treatment, and so forth. and the surface modifications of the fibers have been performed to ameliorate the adaptability between polymer matrices and the surfaces of the natural fibers.…”

Section: Introductionmentioning

confidence: 99%

Preparation and characterization of starch composites with cellulose nanofibers obtained by plasma treatment and ultrasonication

Fazeli

Simão

2019

Plasma Processes & Polymers

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The cellulose nanofibers (CNF) are novelly extracted via air plasma treatment combined with the ultrasonication procedure. This study prepares and characterizes the starch‐based biocomposites reinforced by CNF within the glycerol plasticized matrix. The application of starch‐based polymers is improved with fabricating a biocomposite of thermoplastic starch (TPS) as matrix and the CNF as reinforcement. After modifying the surface of the cellulose fibers (CF) by air plasma treatment, CNFs are extracted by using an ultrasonic bath. The CNF are studied using scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy. The TPS/CNF composites are prepared using the high‐friction and hot‐compression procedure. Tensile test results and SEM images of the fracture surfaces show significant improvement of adhesion between CNF and TPS matrix compared to composites reinforced by neat CF. The thermogravimetric analysis shows a considerable decompositionat approximately 270–340°C.

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Preparation and characterization of starch-based composite films reinforced by cellulose nanofibers

Cited by 157 publications

References 55 publications

Starch–gelatin film as an alternative to the use of plastics in agriculture: a review

Starch–gelatin film as an alternative to the use of plastics in agriculture: a review

Multi-Scale Analysis and Testing of Tensile Behavior in Polymers with Randomly Oriented and Agglomerated Cellulose Nanofibers

Preparation and characterization of starch composites with cellulose nanofibers obtained by plasma treatment and ultrasonication

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