Production of Starch Based Bioplastic from Cassava Peel Reinforced with Microcrystalline Celllulose Avicel PH101 Using Sorbitol as Plasticizer

Maulida,; Siagian, Margaretha; P, Tarigan

doi:10.1088/1742-6596/710/1/012012

Cited by 87 publications

(62 citation statements)

References 11 publications

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“…They can be obtained from different agricultural resources such as corn hull, wheat hull and straw, doom, hemp, coir, jute, or particles like almond shells, walnut shell (WNS), rice husks, and cassava peel. Shells from different sources (almond coir, hemp doum fiber, and Walnut) have been used in polypropylene‐based composites to enhance thermomechanical, tensile, and flexural properties of composite materials . The mechanical properties of composites reinforced by fillers depend on dispersion, interfacial adhesion, morphology, and particle size and has a noticeable effect on the mechanical properties .…”

Section: Introductionmentioning

confidence: 99%

Preparation and characterization of starch‐based composite films reinforced by apricot and walnut shells

Ali

Liu

et al. 2019

J of Applied Polymer Sci

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Starch-based biodegradable films were prepared by using solution-casting method and reinforced by agricultural residues [apricot and walnut shell (APS and WNS) powder]. The powder of both shells was added in different ratios (0, 2.5, 5, 7.5, and 10%) to investigate the microstructures and performances (mechanical and thermal properties) of the starch-based film. Different techniques such as impact, tensile testing, scanning electron microscope, optical microscope (OM), X-ray diffraction (XRD), water vapor transmission rate (WVTR), and dynamic mechanical analysis were applied to study the thermomechanical and barrier properties of the composite films. Results showed that the incorporation of both shells significantly improved the WVTR and mechanical properties of starch-based films. The shells powder was significantly increased the Young's modulus and tensile strength of the starch-based films. Both OM and SEM results showed reasonably good compatibility between starch and reinforced shells. OM and XRD indicated that the APS and WNS not only retained their crystalline structure in the film but they also strengthened the peak intensity of the film. This phenomenon can be used to explain the mechanism of mechanical reinforcement. Since all the components used in the preparation of the films are food grade ingredients, it is expected that the films developed in this work will be used for food packaging applications.

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Section: Introductionmentioning

confidence: 99%

Preparation and characterization of starch‐based composite films reinforced by apricot and walnut shells

Ali

Liu

et al. 2019

J of Applied Polymer Sci

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“…Previous studies have reported the inclusion of microcrystalline cellulose (MCC) and microfibrillated cellulose (MFC) into various polymers. For instances, MCC which generally being obtained by acid hydrolysis has been incorporated into starch (Maulida et al, 2016;Coelho et al, 2017), soy-protein (Li et al, 2015Liu et al, 2017), agar Rhim, 2016), chitosan (Li et al, 2012), poly (lactic) acid (Haafiz, et al, 2013), poly(3hydroxybutyrate) (El-Hadi, 2013), and polyvinyl alcohol (PVA) (Ali et al, 2014). It has been known for the superior stiffness which could enhance the overall performance of the polymers.…”

Section: Introductionmentioning

confidence: 99%

Mechanical and thermal properties of starch films reinforced with microcellulose fibres

Nordin¹,

Othman²,

Basha³

et al. 2018

Food Res.

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The use of starch as food packaging material has drawn increased attention due to its biodegradability, availability, and cost-effective. In order to improve the limitations of starch films in terms of mechanical and thermal resistance, the bio-composite concept was employed. In this work, microcellulose fibres (MCF) were incorporated into thermoplastic starch (TPS) films at various loading contents (1, 5, and 10 wt%). The MCF was prepared via NaOH/urea dissolution, followed by ultrasonication. The obtained MCF was characterized by FTIR and FESEM, and the size was in the range of 2 to 15 µm in diameter and 150 µm to hundreds of micrometres in length. The effect of the MCF addition on mechanical and thermal properties of starch films was investigated using universal testing machine and thermogravimetric analysis (TGA), respectively. Due to similar polysaccharide structures and good interfacial interactions, the tensile strength (TS) and the elongation at break (EAB) of the films increased with the addition of MCF, but only at 1 wt% loading content. Meanwhile, there was no significant improvement in the degradation temperature of the composite films, due to the presence of hemicellulose compounds that interrupted the crystallinity of the MCF. The results indicated that the MCF has the potential to be utilized as reinforcement in bio-based polymers for food packaging applications.

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“…Plasticizers enhance the desired mechanical characteristics of bioplastic film, and the commonly used plasticizers in starch-based films are glycerol and sorbitol as stated by Jantrawut et al [27]. Plasticizers are important in the production of bioplastics because they increase its flexibility and workability, however, they result in lower hardness as described by Maliuda et al [28].…”

Section: Plasticizersmentioning

confidence: 99%

“…The mass of each film sample with a film area of approximately 1 x 1 cm 2 was obtained by weighing the film using a standard chemical digital weighing scale accurate to 0.1 g. The film volume was calculated by a water displacement method with a specified weight of the film. The film volume was calculated by multiplying the film area by the thickness as stated in many reports [28]- [32].…”

Section: Film Densitymentioning

confidence: 99%

Comparison of Fructose and Glycerol as Plasticizers in Cassava Bioplastic Production

2019

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This research paper is an investigation into the effects of fructose and glycerol as plasticizers in cassava bioplastic production. The experiments were carried out at the University of Eastern Africa, Baraton Department of Chemistry. The objectives of the research were to produce cassava-based bioplastics in the University of Eastern Africa, Baraton Chemistry Department Laboratory, to investigate the use of fructose and glycerol as plasticizers in the production of the cassava-based bioplastics and to conduct physical and chemical quality tests on the bioplastics to determine which plasticizer is best for industrial use. A Randomized Complete Block Design (RCBD) was used in the experiments. The parameters measured were film thickness, density, moisture content, solubility in water, water absorption, swelling index, and biodegradability test. Overall, fructose as a plasticizer is recommended over glycerol and over fructose and glycerol.

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Production of Starch Based Bioplastic from Cassava Peel Reinforced with Microcrystalline Celllulose Avicel PH101 Using Sorbitol as Plasticizer

Cited by 87 publications

References 11 publications

Preparation and characterization of starch‐based composite films reinforced by apricot and walnut shells

Preparation and characterization of starch‐based composite films reinforced by apricot and walnut shells

Mechanical and thermal properties of starch films reinforced with microcellulose fibres

Comparison of Fructose and Glycerol as Plasticizers in Cassava Bioplastic Production

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