Mechanical Properties of Cellulose‐Based Bionanocomposites

Deepa, B.; Pillai, Saumya S.; Pothan, Laly A.; Thomas, Sabu

doi:10.1002/9781118609958.ch19

Cited by 4 publications

(2 citation statements)

References 73 publications

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“…Nanocomposites based on biopolymers have gained interest in the research community because they are sustainable and green in nature; moreover they are being employed to build a broad range of constructive products ranging from coatings to therapeutics to packaging materials [1]. In the recent years, an issue of pertinent importance has raised that with economic development there should be no harm to the property of globe.…”

Section: Introductionmentioning

confidence: 99%

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Fabrication and experimental study of corn starch based vetiver cellulose reinforced bio-composite film for food packaging application

Arpitha¹,

Verma

Sanjay

et al. 2021

Preprint

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Established applicability of biocomposites in the field of automotive, construction and structural industries has led to a hope to utilize them in the near future for further applications such as food packaging and lightweight coatings. Due to their global abundance, natural fibers and starch have been the most widely tested and used raw materials for use as the bio-composite reinforcements. Here in this work, composites based on corn starch (CS) and vetiver cellulose fibers (VCF) are fabricated using the solution casting method. Alpha-cellulose was synthesized from the vetiver roots post converted into nano-cellulose using the ball milling. Various compositions of 0%, 5%, 10%, 15% and 20% (by weight) of this α-cellulose were introduced as the reinforcement to commercially available corn starch matrix. Tensile tests for the fabricated composites were done in accordance with the American Standard for Testing and Materials standard procedure. Crystallinity and failure morphology of the composites was studied using the X-Ray Diffraction techniques and scanning electron microscopy, respectively. Water absorption capacity test, Fourier-transform infrared spectroscopy analysis, and determination of contact angle of the films were also done to evaluate the film properties. Results reveal that the incorporation of vetiver cellulose fiber in the starch enhances the mechanical properties of bio-composites. Also, the water absorption capacity and the contact angle decreased and increased, respectively; thereby predicting the composites application as a lightweight food packaging material.

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Section: Introductionmentioning

confidence: 99%

“…Fabrication and experimental study of corn starch based vetiver cellulose reinforced bio-composite lm for food packaging application 1…”

mentioning

confidence: 99%

Fabrication and experimental study of corn starch based vetiver cellulose reinforced bio-composite film for food packaging application

Arpitha¹,

Verma

Sanjay

et al. 2021

Preprint

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Dynamic Mechanical Characterization of Cellulose Nanofibril CNF‐ and Cellulose Nanocrystal CNC‐Based Nanocomposites

Salas

Carrillo²

2017

Handbook of Nanocellulose and Cellulose Nanocomposites

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Dimensionally Stable Cellulose Aerogel Strengthened by Polyurethane Synthesized In Situ

Verdolotti

Stanzione

Khlebnikov

et al. 2018

Macro Chemistry & Physics

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Fibrillary cellulose and nanocellulose are widely applied as fillers for the improvement of the mechanical properties, thermostability, and biodegradability of polymers. Here, an opposite concept is suggested which is to use cellulose for structure‐forming and directing the scaffold, whereas polymers serve for its modification. Cellulose possesses excellent properties, but they are badly affected by water; its mechanical strength drops sharply, cellulosic materials swell, become dimensionally unstable, and susceptible to fungal degradation. The deterioration of properties gives no way of using methods of wet chemistry for cellulose treatment. To obviate this problem, dimensionally stable aerogels are prepared from microfibrillated cellulose. Their stability allows them to be treated in solutions of isocyanate. Polyurethane synthesized in situ is attached covalently to cellulose through hydroxyl groups. Polymer coating further stabilizes the 3D microfibrillar network, Young's modulus increases by more than two orders of magnitude and differences in the properties of aerogels in the dried and wetted states are minimized. Improvement of the mechanical strength makes cellulose aerogels better suitable for various applications than present cellulosic materials.

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Mechanical Properties of Cellulose‐Based Bionanocomposites

Cited by 4 publications

References 73 publications

Fabrication and experimental study of corn starch based vetiver cellulose reinforced bio-composite film for food packaging application

Fabrication and experimental study of corn starch based vetiver cellulose reinforced bio-composite film for food packaging application

Dynamic Mechanical Characterization of Cellulose Nanofibril CNF‐ and Cellulose Nanocrystal CNC‐Based Nanocomposites

Dimensionally Stable Cellulose Aerogel Strengthened by Polyurethane Synthesized In Situ

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