Natural Fiber-Reinforced Polylactic Acid, Polylactic Acid Blends and Their Composites for Advanced Applications

Polymers, Год журнала: 2022, Номер 14(1), С. 202 - 202

Опубликована: Янв. 5, 2022

Polylactic acid (PLA) is a thermoplastic polymer produced from lactic that has been chiefly utilized in biodegradable material and as composite matrix material. PLA prominent biomaterial widely used to replace traditional petrochemical-based polymers various applications owing environmental concerns. Green composites have gained greater attention ecological consciousness grown since they the potential be more appealing than conventional petroleum-based composites, which are toxic nonbiodegradable. PLA-based with natural fiber extensively variety of applications, packaging medicine, due their biodegradable, recyclable, high mechanical strength, low toxicity, good barrier properties, friendly processing, excellent characteristics. A summary fibers, green PLA, along respective classification, functionality, different processing methods, discussed discover fiber-reinforced development for wide range applications. This work also emphasizes research properties blend hybrid over past few years. PLA's strong engineering areas addressed. review covers issues, challenges, opportunities, perspectives developing characterizing composites.

Язык: Английский

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Natural-Fiber-Reinforced Chitosan, Chitosan Blends and Their Nanocomposites for Various Advanced Applications

Polymers, Год журнала: 2022, Номер 14(5), С. 874 - 874

Опубликована: Фев. 23, 2022

There has been much effort to provide eco-friendly and biodegradable materials for the next generation of composite products owing global environmental concerns increased awareness renewable green resources. This review article uniquely highlights use composites from natural fiber, particularly with regard development characterization chitosan, natural-fiber-reinforced chitosan biopolymer, blends, nanocomposites. Natural fiber have a number advantages such as durability, low cost, weight, high specific strength, non-abrasiveness, equitably good mechanical properties, friendliness, biodegradability. Findings revealed that is falls animal category. As it biomaterial form, can be presented hydrogels, sponges, film, porous membrane. are different processing methods in preparation solution solvent casting, dipping spray coating, freeze casting drying, layer-by-layer preparation, extrusion. It was also reported developed chitosan-based possess thermal stability, well chemical physical properties. In these regards, "green" wide applicability potential industry biomedicine, cosmetology, papermaking, wastewater treatment, agriculture, pharmaceuticals.

Язык: Английский

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Critical Review of Natural Fiber Reinforced Hybrid Composites: Processing, Properties, Applications and Cost

Polymers, Год журнала: 2021, Номер 13(20), С. 3514 - 3514

Опубликована: Окт. 13, 2021

Increasing scientific interest has occurred concerning the utilization of natural fiber-enhanced hybrid composites that incorporate one or more types enhancement. Annual fiber production is estimated to be 1,783,965 × 103 tons/year. Extensive studies have been conducted in domains natural/synthetic as well natural/natural composites. As synthetic fibers better rigidity and strength than fibers, superior qualities via hybridization compared fibers. In general, compounds lower characteristics, limiting use reinforced by fiber. Significant effort was spent enhancing mechanical characteristics this group materials increase their strengths applications, especially process, manipulating fiber-reinforced composite materials. Current concentrate on understanding fiber-matrix adhesion, processing methods, compatibility. The optimal resilient conceptions also addressed due inherently significant variabilities. Moreover, much research tackled costs. addition, review article aims offer a variables lead structural failure polymer composites, an overview details costings

Язык: Английский

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Recent applications of carbon-based composites in defence industry: A review

Defence Technology, Год журнала: 2022, Номер 18(8), С. 1281 - 1300

Опубликована: Март 15, 2022

Carbon-based composites, including carbon reinforced composites and carbon-matrix in defence technologies have raised a lot of attention due to its significant physical capabilities, superior thermal mechanical stability, eco-friendly nature. composite which incorporating with various carbonaceous materials such as coke, char, black carbon, activated fibre other nanomaterials (carbon nanotubes, nanofibres, graphene graphite) are the greatest viable option for development advanced technologies. In this review article characteristics carbon-based discussed their distinct application sectors; aeronautics, maritime, automotive, electronics, energy storage, electromagnetic interference (EMI) shielding structures. The origin production techniques were discussed. promising future technology, particularly chemical sensors, drug delivery agents, radar technologies, nanocomposites low cost, easy availability, flexibility design processing.

Язык: Английский

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Carbon-Related Materials: Graphene and Carbon Nanotubes in Semiconductor Applications and Design

Micromachines, Год журнала: 2022, Номер 13(8), С. 1257 - 1257

Опубликована: Авг. 4, 2022

As the scaling technology in silicon-based semiconductor industry is approaching physical limits, it necessary to search for proper materials be utilized as alternatives nanoscale devices and technologies. On other hand, carbon-related nanomaterials have attracted so much attention from a vast variety of research groups due outstanding electrical, optical, mechanical thermal characteristics. Such been used microelectronics. In particular, graphene carbon nanotubes are extraordinarily favorable substances literature. Hence, investigation nanostructures different ranges applications science, engineering mandatory. This paper reviews basics, advantages, drawbacks investigates recent progress advances such micro nanoelectronics, optoelectronics biotechnology.

Язык: Английский

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Product Development of Natural Fibre-Composites for Various Applications: Design for Sustainability

Polymers, Год журнала: 2022, Номер 14(5), С. 920 - 920

Опубликована: Фев. 25, 2022

New product development review article aims to consolidate the principles and current literature on design for sustainability seek field's future direction. In this point of view, methods can be established under idea in dimensions ecology, economy social pillars. Design concept is implemented concurrent engineering, including concept, embodiment detail processes. Integrating engineering designs crucial producing greener products, system innovation, services aligned with market demand. Currently, many studies related natural fibre-reinforced polymer composites associated enhance application techniques by professional designers. However, scarce bridging during stage, these areas should further developed. Several other research directions, such as need aligning applications, along exploring relationships between views sustainability, are presented paper.

Язык: Английский

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Predicting of electrical conductivity for Polymer-MXene nanocomposites

Journal of Materials Research and Technology, Год журнала: 2024, Номер 28, С. 4229 - 4238

Опубликована: Янв. 1, 2024

The prediction of electrical conductivity in MXene nanosheet –polymer composites is a complex task that lacks straightforward model. In this study, model proposed to predict the for samples filled with MXene. Our method takes into account various factors influence overall samples. include dimensions MXene, volume fraction percolation onset, tunnel distance, network fraction, and interphase thickness. validity expressed examined using experimental data several Furthermore, an analysis relationship between predicted parameters conducted confirm reliability methodology. calculated outcomes from exhibit high level accordance experimented maximum 16.1 S/m achieved by minimum tunneling distance 1 nm, but becomes very weak when more than 11 nm.

Язык: Английский

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Investigating Nanomaterials for Improved Barrier Properties in Food Packaging

Deleted Journal, Год журнала: 2025, Номер 2(2)

Опубликована: Янв. 13, 2025

This review examines the potential of nanomaterials in revolutionizing food packaging, focusing on their role enhancing barrier properties and extending shelf life packaged foods. Traditional packaging materials often fall short effectively protecting against oxygen, moisture, UV light, resulting diminished quality shorter life. Nanomaterials, including nanoclays, metal oxide nanoparticles (e.g., ZnO, TiO₂), carbon-based graphene, carbon nanotubes), biodegradable options like cellulose nanocrystals, have emerged as promising solutions. These offer exceptional gas moisture properties, antimicrobial effects, protection capabilities. The provides an in-depth exploration various nanomaterials, highlighting distinctive mechanisms; such tortuosity which enhance performance by limiting permeability. It also discusses recent advancements integrating into both flexible rigid systems, well active intelligent that employs nanosensors for real-time monitoring freshness spoilage. Despite potential, challenges toxicity concerns, environmental impacts, economic constraints to large-scale adoption are addressed. emphasizes need future research dual-function can simultaneously improve enable sensing. innovations could transform technologies, promoting enhanced safety sustainability.

Язык: Английский

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Development and Characterization of Cornstarch-Based Bioplastics Packaging Film Using a Combination of Different Plasticizers

Polymers, Год журнала: 2021, Номер 13(20), С. 3487 - 3487

Опубликована: Окт. 11, 2021

This work aims to develop cornstarch (CS) based films using fructose (F), glycerol (G), and their combination (FG) as plasticizers with different ratios for food packaging applications. The findings showed that F-plasticized film had the lowest moisture content, highest crystallinity among all films, exhibited tensile strength thermostability. In contrast, G-plasticized density water absorption less compared control other plasticized film. addition, SEM results indicated FG-plasticized a relatively smoother more coherent surface tested films. have also shown varying concentration of significantly affected properties Therefore, selection suitable plasticizer at an appropriate may optimize promote utilization CS

Язык: Английский

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Structural Design and Fabrication of Multifunctional Nanocarbon Materials for Extreme Environmental Applications

Advanced Materials, Год журнала: 2022, Номер 34(52)

Опубликована: Май 13, 2022

Abstract Extreme environments represent numerous harsh environmental conditions, such as temperature, pressure, corrosion, and radiation. The tolerance of applications in extreme exemplifies significant challenges to both materials their structures. Given the superior mechanical strength, electrical conductivity, thermal stability, chemical stability nanocarbon materials, carbon nanotubes (CNTs) graphene, they are widely investigated base for have shown breakthroughs fields wide‐temperature structural‐material construction, low‐temperature energy storage, underwater sensing, electronics operated at high temperatures. Here, critical aspects structural design fabrication reviewed, including a description underlying mechanism supporting performance against environments, principles optimization performances, processes developed realization specific applications. Finally, perspectives on how CNTs graphene can further contribute development presented.

Язык: Английский

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