PLA based biocomposites for sustainable products: A review

Trivedi, Alok Kumar; Gupta, Manju Lata; Singh, Harindar

doi:10.1016/j.aiepr.2023.02.002

Cited by 51 publications

(43 citation statements)

References 115 publications

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“…These categories are wood, bast, leaf, seed, fruit, stalk, and grass with the wood type again split into two distinct categories: soft and hard wood. A comprehensive chart detailing the classification of natural fibres including various examples is shown in figure 1 [10,13,14,[16][17][18][19][20][21][22][23].…”

Section: Classification Of Natural Fibresmentioning

confidence: 99%

“…Cellulose and hemicellulose which are the most common constituents in plant fibres are the hydrophilic compounds that result in moisture absorption [1,8]. Table 1 presents the mechanical properties of various natural fibres [20,22,24]. [3,[6][7][8]13,17].…”

Section: Properties Of Natural Fibresmentioning

confidence: 99%

“…[3,[6][7][8]13,17]. Table 2 presents a detailed list of the advantages and disadvantages associated with natural fibres [3,7,8,13,16,22,25]. The volatility of properties and prices based on the source material location Nonabrasive to processing equipment Anisotropic behaviour Easily coloured…”

Section: Properties Of Natural Fibresmentioning

confidence: 99%

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Recent Developments of Natural Fibres: Natural Fibre Biocomposites, Treatments, and Characterizations

Uyanik

Ertürk

2023

J. Phys.: Conf. Ser.

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Natural fibres are highly desirable in composites as they are renewable, biodegradable, and cost-effective. They are also abundant in nature with many different types available all over the world. However, despite their advantages, key challenges such as poor fibre-matrix interfacial bonding and moisture absorption limit their widespread adoption in more sophisticated applications. This article provides an overview of natural fibres, including classifications, types, properties, advantages, and disadvantages, with a subsequent review of recent studies, focusing on fibre-matrix selection, treatment methods, and characterization to better understand the current situation. It is apparent from these studies that water absorption is a significant challenge due to the inherent hydrophilic nature of natural fibres as even after treatments like mercerization and silane were applied, substantial amounts of absorption were observed. The effects of powder fillers also vary, with beneficial effects up to a certain proportion, beyond which they became detrimental.

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Section: Classification Of Natural Fibresmentioning

confidence: 99%

Section: Properties Of Natural Fibresmentioning

confidence: 99%

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Recent Developments of Natural Fibres: Natural Fibre Biocomposites, Treatments, and Characterizations

Uyanik

Ertürk

2023

J. Phys.: Conf. Ser.

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“…are commonly used reinforcing materials for biocomposites development. These fibers are easily available at low cost and have salient features such as biodegradability, high specific strength and modulus, biocompatibility, and eco‐friendliness 2–5 …”

Section: Introductionmentioning

confidence: 99%

“…features such as biodegradability, high specific strength and modulus, biocompatibility, and eco-friendliness. [2][3][4][5] Coconut coir is a rich lignin source fiber and one of the popular reinforcing materials in biocomposites to fullfill the demands of a rise in global awareness, and sustainable and renewable products. The coir fibers are obtained from coconut husk or monocarp tissue waste, mainly disposed of as waste.…”

mentioning

confidence: 99%

Static, dynamic mechanical, and thermal analysis of coir/epoxy composites: Effect of hollow glass microspheres reinforcement

Singh,

Trivedi,

Gupta

et al. 2023

Polymer Composites

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Nowadays, various types of biocomposites are being developed using different types of natural fibers and polymers to fulfill the requirement for sustainable products. Recently, the addition of fillers in biocomposites has been a useful approach to improve their performance and overwhelm their limitations. The hollow glass microspheres (HGMs) were uniformly distributed into epoxy using a magnetic stirrer and subsequently, a hand lay‐up technique was employed to produce the HGMs/coir/epoxy composites under a static loading condition. In the current study, the effect of varying weight percentages (i.e., 1, 3, and 5) of HGMs on the mechanical, dynamic mechanical, and thermal properties of coir/epoxy composites has been studied. Further, morphological analysis of fractured surfaces of samples was also performed. The results suggested that the addition of HGMs caused a significant improvement in the tensile and impact properties of the composites but could not extensively improve the flexural strength, thermal stability, storage modulus, and loss modulus. There was a significant improvement of 80.5% in tensile strength and 24.7% in impact strength of composites after the addition of 1 wt%. HGMs. Further, tensile and flexural moduli were found to be gradually improved with increased HGMs weight percentages in the composites.Highlights Development of HGMs/coir/epoxy composites. Addition of HGMs increases tensile and impact strength of coir/epoxy composites. Microstructural analysis of HGMs/coir/epoxy composites.

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Enhancement of sustainable fused deposition modeling 3D‐printing with agave Americana fiber‐reinforced poly(lactic) acid biofilaments

da Silva Neto,

de Freitas,

Barbosa

et al. 2023

J of Applied Polymer Sci

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Additive manufacturing (AM) of eco‐friendly biocomposites has been growing recently to obtain green fillers capable of reducing bioplastic costs without compromising the material processability and performance. This paper aims to study the effect of using different Agave America fiber volume ratios on the morphological, chemical, and thermal properties, contact angle, and hardness of poly(lactic) acid (PLA) filament for 3D printing. Sustainable biofilaments of PLA filled with 10 and 5 wt% of Agave Americana fiber were prepared in a thermokinetic mixer and extruded in a machine, and then used to print testing samples using fused deposition modeling (FDM) 3D printer. Biofilaments were characterized using scanning electron microscopy (SEM), thermogravimetry (TGA), differential scanning calorimetry (DSC), and Fourier‐transform infrared spectroscopy (FTIR) techniques. The addition of fiber did not significantly influence the biofilament's diameter and density compared to pure PLA. On the other hand, it influenced printed biofilaments' thermal stability and morphological characteristics. The biocomposites developed have shown enhancement in their shore hardness. Thus, the use of Agave Americana fiber reinforced in a PLA matrix did not compromise its thermal properties, nor its processability and printability, which could open the possibility of future research with a biocomposite with higher fiber content and an environmentally friendly alternative over traditional filler materials.

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PLA based biocomposites for sustainable products: A review

Cited by 51 publications

References 115 publications

Recent Developments of Natural Fibres: Natural Fibre Biocomposites, Treatments, and Characterizations

Recent Developments of Natural Fibres: Natural Fibre Biocomposites, Treatments, and Characterizations

Static, dynamic mechanical, and thermal analysis of coir/epoxy composites: Effect of hollow glass microspheres reinforcement

Enhancement of sustainable fused deposition modeling 3D‐printing with agave Americana fiber‐reinforced poly(lactic) acid biofilaments

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