Influence of Hybrid Cellulose/Bentonite Fillers on Structure, Ambient, and Low Temperature Tensile Properties of Thermoplastic Starch Composites

Osman, Azlin Fazlina; Ashafee, Ahmed Moh. T.L.; Adnan, Sinar Arzuria; Alakrach, Abdulkader M.

doi:10.1002/pen.25340

Cited by 32 publications

(33 citation statements)

References 47 publications

(79 reference statements)

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“…Figure 7 indicates the FTIR spectra of the TPS film, TPS-5wt%DOL (P) and TPS-5wt%DOL(U) biocomposite films. It can be observed that the FTIR signal of the TPS film indicates a strong spectral band in the range of 600 to 1500 cm −1 , which confirms the fingerprint of the starch material [ 5 ]. TPS film displays the characteristics FTIR absorptions at 3265 and 2925 cm −1 , which correspond to the O-H and C-H stretching, respectively.…”

Section: Resultsmentioning

confidence: 93%

“…The reduction in particle size of dolomite has increased its surface area. As a result, signals from X-ray diffraction that went through the crystalline lattices of dolomite particles became stronger [ 5 ].…”

Section: Resultsmentioning

confidence: 99%

“…Due to the above-mentioned problems, effort to replace the synthetic plastics with the natural-based plastics is gaining more traction from year to year. The development of new plastic materials from natural and renewable resources has been the object of intensive academic and industrial research [ 4 , 5 , 6 ]. Starch-based biodegradable plastics are an ideal replacement to petroleum-based plastics.…”

Section: Introductionmentioning

confidence: 99%

“…Starch-based biodegradable plastics are an ideal replacement to petroleum-based plastics. Even though these biopolymers cannot replace synthetic polymers in every application, at least they can be used to produce specific products, normally for application in which the recovery of plastic is not viable, economically feasible, and controllable such as in one-time use plastic [ 4 , 5 , 6 , 7 ].…”

Section: Introductionmentioning

confidence: 99%

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Improving the Tensile and Tear Properties of Thermoplastic Starch/Dolomite Biocomposite Film through Sonication Process

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In this work, dolomite filler was introduced into thermoplastic starch (TPS) matrix to form TPS-dolomite (TPS-DOL) biocomposites. TPS-DOL biocomposites were prepared at different dolomite loadings (1 wt%, 2 wt%, 3 wt%, 4 wt% and 5 wt%) and by using two different forms of dolomite (pristine (DOL(P) and sonicated dolomite (DOL(U)) via the solvent casting technique. The effects of dolomite loading and sonication process on the mechanical properties of the TPS-DOL biocomposites were analyzed using tensile and tear tests. The chemistry aspect of the TPS-DOL biocomposites was analyzed using Fourier transform infrared spectroscopy (FTIR) and X-Ray Diffraction (XRD) analysis. According to the mechanical data, biocomposites with a high loading of dolomite (4 and 5 wt%) possess greater tensile and tear properties as compared to the biocomposites with a low loading of dolomite (1 and 2 wt%). Furthermore, it is also proved that the TPS-DOL(U) biocomposites have better mechanical properties when compared to the TPS-DOL(P) biocomposites. Reduction in the dolomite particle size upon the sonication process assisted in its dispersion and distribution throughout the TPS matrix. Thus, this led to the improvement of the tensile and tear properties of the biocomposite. Based on the findings, it is proven that the sonication process is a simple yet beneficial technique in the production of the TPS-dolomite biocomposites with improved tensile and tear properties for use as packaging film.

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Section: Resultsmentioning

confidence: 93%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Improving the Tensile and Tear Properties of Thermoplastic Starch/Dolomite Biocomposite Film through Sonication Process

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“…[2,3] Biopolymers like cellulose, chitin and starch have been studied and researched for packaging applications to substitute for synthetic plastics. [1][2][3] Composite materials based on biopolymers are gaining more attraction due to the mechanical performance of these materials which is almost always greater than their neat biopolymer counterparts. Lignocellulosic-based fibers from sisal, ramie and flax are used to replace conventional glass fibers.…”

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confidence: 99%

Morphology, mechanical properties, and biodegradability of all‐cellulose composite films from oil palm empty fruit bunch

2020

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Palm oil plantations are very important in that they supply vegetable oil globally. However, increased production of palm oil prompts the accumulation of large lignocelluloses residues in the form of oil palm empty fruit bunch (OPEFB). This study explored the advantages of using OPEFB in the production of all-cellulose composite (ACC) films. The isolation process of the raw OPEFB fiber was carried out using a chemical process to extract OPEFB nanocellulose. ACC films from OPEFB and microcrystalline cellulose (MCC) were prepared using a dimethylacetamide (DMAC) and lithium chloride solvent system whereby the partially dissolved cellulose was transformed into the matrix phase surrounding the remaining nondissolved fiber. ACC films with 1% (wt/vol) OPEFB and 3% (wt/vol) MCC were prepared and the effects of chemical treatment of the OPEFB cellulose on the mechanical properties, crystalline structure, morphology, moisture absorption and soil biodegradability of the ACC film were investigated. The tensile strength of the ACC film was tremendously improved by chemical treatment. For instance, when acetic acid was used to treat the nanocellulose, the resultant film showed 279% increment in tensile strength value. However, formic acid-treated films demonstrate greater moisture uptake and soil biodegradation rate. The findings could be related to the alterations of hydroxyl group composition in the nanocellulose and variation in dissolution rate of the nanocellulose during chemical treatment. K E Y W O R D S all-cellulose composite, biodegradability, ionic liquid, nanocellulose, oil palm empty fruit bunch 1 | INTRODUCTION Plastic film is the most commonly used material for packaging due to its aesthetic quality, low cost, handleability, flexibility, and lightweight. Plastic films used for domestic and food packaging are typically made from petroleum sources like polypropylene (PP), polystyrene (PS), and polyethylene (PE). Use of these materials has led to severe environmental issues. A way to reduce packaging environmental issues is by introducing natural ingredients into

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Developing thermoplastic corn starch composites filled with brewer's spent grain for applications in biodegradable films

2021

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Despite the growing interest in utilizing starch-based biodegradable films, their low mechanical properties generally limit them from being widely used. On the other hand, brewer's spent grain (BSG) is an abundant by-product thatdoes not yet have high added-value industrial use. This study proposes the development of starch-based composites filled with BSG for applications in biodegradable films. Different contents (1-5 wt%) of BSG fibers of different sizes (35, 60, and 100 mesh) were used aiming to identify the film compositions with better mechanical and thermal properties. The composites were produced by casting and had their mechanical, morphological, and thermal properties evaluated. The composites with the most promising mechanical properties

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Influence of Hybrid Cellulose/Bentonite Fillers on Structure, Ambient, and Low Temperature Tensile Properties of Thermoplastic Starch Composites

Cited by 32 publications

References 47 publications

Improving the Tensile and Tear Properties of Thermoplastic Starch/Dolomite Biocomposite Film through Sonication Process

Improving the Tensile and Tear Properties of Thermoplastic Starch/Dolomite Biocomposite Film through Sonication Process

Morphology, mechanical properties, and biodegradability of all‐cellulose composite films from oil palm empty fruit bunch

Developing thermoplastic corn starch composites filled with brewer's spent grain for applications in biodegradable films

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