Poly(lactic acid)-silkworm silk fibre/fibroin bio-composites: A review of their processing, properties, and nascent applications

Akintayo, OS; Olajide, J. L.; Betiku, Olakunle Timothy; Egoh, A. J.; Adegbesan, O. O.; Daramola, Oluyemi Ojo; Sadiku, Rotimi; Desai, Dawood

doi:10.3144/expresspolymlett.2020.76

Cited by 10 publications

(9 citation statements)

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“…The matrix of the composites was polylactic acid (PLA, Ingeo 3100 HP, Natureworks LLC, USA). Its density is 1.24 g/cm 3 and its d-lactide content is approx. 0.5% [22].…”

Section: Methodsmentioning

confidence: 99%

“…The demand for high-performance, recyclable structural components has promoted the development of thermoplastic composite technologies. Thermoplastic polymers offer the advantages of recyclability, easy joining methods [1], and the possibility to produce multi-functional and smart materials [2], and short fibers are often used as reinforcement to improve their strength and stiffness [3,4]. In most cases, short fiber-reinforced composites (SFCs) are processed by injection molding (IM).…”

Section: Introductionmentioning

confidence: 99%

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Comparison of the accuracy of analytical models for basalt fiber–reinforced poly(lactic acid) composites prepared by injection molding and fused filament fabrication

Tóth

Kovács

2022

Int J Adv Manuf Technol

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We compared the accuracy of analytical models for short fiber–reinforced composites prepared by injection molding and fused filament fabrication (FFF). The microstructural features define the strength of the composites, and they are greatly dependent on the processing conditions. We collected data on fiber length, orientation, and porosity via X-ray micro-computed tomography (µ-CT) and determined the critical fiber length experimentally. We used this data as input for the modified rule of mixtures and the modeling framework based on the Halpin–Tsai method, and found that the cumulative error for FFF is more than twice that for injection-molded composites. We also showed that experimentally determined matrix strength for FFF gives a lower strength limit which is applicable for engineering parts. We presented a new approach for the modeling of the tensile strength of neat FFF products, in which the printed structure is divided into contact zones and bulk material zones. The matrix strength calculated this way was found to approximate the experimental results with an error of 5%.

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“…The matrix of the composites was polylactic acid (PLA, Ingeo 3100 HP, Natureworks LLC, USA). Its density is 1.24 g/cm 3 and its d-lactide content is approx. 0.5% [22].…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparison of the accuracy of analytical models for basalt fiber–reinforced poly(lactic acid) composites prepared by injection molding and fused filament fabrication

Tóth

Kovács

2022

Int J Adv Manuf Technol

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“…Especially in spring, summer and autumn, silk fibers made from cocoons made of silk are very different from each other. In this regard, the extent to which the extremely high summer temperatures affect the silk raw material obtained from local hybrids of silkworms is of particular scientific and practical importance [3,4].…”

Section: Introductionmentioning

confidence: 99%

“…Simultaneously, the yield of silk yarn decreased by 36.2%, spinning -by 70.6%, and the percentage of crushing of cocoons decreased by 2 times [4][5][6]. In their research, a group of Indian scientists have created silkworm breeds that are resistant to different tropical climates of the country and have been able to adapt the identified polyvoltin x bivoltin hybrids to tropical climates.…”

Section: Introductionmentioning

confidence: 99%

Effect of external environmental factors on the technological and physical-mechanical properties of silkworm

et al. 2021

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In this article, we have studied the extent to which the technological performance of mulberry silkworms on the industrial hybrids “Musaffo Tola 1” and “Musaffo Tola 2” changes during the hot summer days and these hybrids retain their potential even in adverse stress conditions. Import varieties of “Jingsong x Hoayou” and “Hoayou x Jingsong” hybrid combinations were selected as control hybrids. This Chinese hybrid is the most imported hybrid in Uzbekistan. The purpose of our experiments is to assess the resistance of domestic and import varieties of hybrids to high temperatures on the basis of technological indicators. Changes in the biological performance of import varieties of and domestic hybrids under stress conditions, in particular, a decrease in the viability of worms, an increase in the percentage of deaf and black cocoons, and changes in technological properties were studied.

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“…Silk is one of the lightest and most slender natural fibers in nature and has good smoothness, luster, elasticity, and biocompatibility, making it a “fiber queen.” 1,2 Silk is frequently employed in clothes, decorations, medical treatments, cosmetics, healthcare, and other industries due to its exceptional performance. 3–5 The silk industry is an essential aspect of developing countries’ economies because it offers large rural communities a significant source of revenue. 6 The conventional silk-making process includes cocoon drying, storage, sorting, cocoon cooking, silk reeling, re-reeling, and finishing.…”

Section: Introductionmentioning

confidence: 99%

Study on the performance of a new type of bobbin silk reeling machine

Luo

et al. 2021

Journal of Engineered Fibers and Fabrics

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This study mainly investigated the performance and process parameter optimization of a new type of bobbin silk reeling machine by using orthogonal analysis designs. This new type of bobbin silk reeling machine with advanced winding and tension control technology was built through the transformation of a traditional automatic reeling machine. Experimental results indicated that a reeling speed of 130 m/min, an overfeeding ratio of 1.15, and a drying temperature of 90°C were the optimal process parameters. The molecular group characteristics, crystal structures, breaking strengths, and breaking elongation rates of the raw silk from homemade silk slices on bobbins prepared by this machine were similar to those from silk slices on small reels prepared by automatic silk reeling machines and traditional silk slices on bobbins prepared by winders. The softness of the raw silk from homemade silk slices on bobbins was similar to that from traditional silk slices on bobbins, and the cohesion performance of the raw silk from homemade silk slices on bobbins was better than that from traditional silk slices on bobbins. The raw silk from homemade silk slices on bobbins prepared by this machine is directly suitable for postweaving processing. This study can provide a practical basis for the development of the raw silk reeling technique on bobbins.

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Poly(lactic acid)-silkworm silk fibre/fibroin bio-composites: A review of their processing, properties, and nascent applications

Cited by 10 publications

References 0 publications

Comparison of the accuracy of analytical models for basalt fiber–reinforced poly(lactic acid) composites prepared by injection molding and fused filament fabrication

Comparison of the accuracy of analytical models for basalt fiber–reinforced poly(lactic acid) composites prepared by injection molding and fused filament fabrication

Effect of external environmental factors on the technological and physical-mechanical properties of silkworm

Study on the performance of a new type of bobbin silk reeling machine

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