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

Polymers, Journal Year: 2022, Volume and Issue: 14(5), P. 874 - 874

Published: Feb. 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.

Language: Английский

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Critical Review on Polylactic Acid: Properties, Structure, Processing, Biocomposites, and Nanocomposites

Materials, Journal Year: 2022, Volume and Issue: 15(12), P. 4312 - 4312

Published: June 17, 2022

Composite materials are emerging as a vital entity for the sustainable development of both humans and environment. Polylactic acid (PLA) has been recognized potential polymer candidate with attractive characteristics applications in engineering medical sectors. Hence, present article throws lights on essential physical mechanical properties PLA that can be beneficial composites, biocomposites, films, porous gels, so on. The discusses various processes utilized fabrication PLA-based composites. In later section, we have detailed discourse composites nanocomposites-based along properties’ comparisons, discussing our investigation effects fibers, fillers, nanofillers mechanical, thermal, wear PLA. Lastly, which is used extensively discussed detail.

Language: Английский

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Mechanical properties of oil palm fibre-reinforced polymer composites: a review

Journal of Materials Research and Technology, Journal Year: 2021, Volume and Issue: 17, P. 33 - 65

Published: Dec. 31, 2021

In recent years, serious reduction in petroleum resources and concerns about the usage of synthetic plastics have prompted global communities to accept use natural fibres biopolymers many products. Lignocellulosic fibre polymer biocomposites attracted attention scientists engineers because their wide availability, low carbon emission biodegradability. Currently, oil palm is one main crops cultivated Malaysia Indonesia regarded as a potential source lignocellulosic for biocomposites. The cellulosic content (OPFs) enhances mechanical properties composites. Ensuring compatibility OPFs constituents with other materials composites specific applications essential. Mechanical performance terms tensile, flexural impact strength determines an OPF's compatibility. However, no comprehensive reviews focusing on OPF been published, factors influencing performance, such interfacial adhesion, stacking sequence, additive, type size not explored. Some studies identified research gaps deduced that reinforcement

Language: Английский

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Dynamic mechanical properties of natural fiber reinforced hybrid polymer composites: a review

Journal of Materials Research and Technology, Journal Year: 2022, Volume and Issue: 19, P. 167 - 182

Published: May 12, 2022

The concerning waste management issue of natural fibers and the downsides synthetic have governed fibers' utilization as reinforcements in composites. Incorporating a single type reinforcing fiber does not inevitably produce composites that meet exceptional quality standards, particularly dynamic mechanical properties. Various studies demonstrated excellent properties reinforced hybrid Accordingly, this paper aims to review research related emphasize A summary for each composites, including thermoset thermoplastic polymers, biopolymers, nanocomposites, bionanocomposites was provided. variables relevance overview are loss modulus, storage damping factor, glass transition temperature. Overall, reviewed works revealed lignocellulosic extensively used reinforce Nearly all hybridization multiple had synergistic influences on composites' However, there several cases whereby addition particles leads detrimental effect composites’ quality. There is limitless possibility further improvements

Language: Английский

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Biomaterials / bioinks and extrusion bioprinting

Bioactive Materials, Journal Year: 2023, Volume and Issue: 28, P. 511 - 536

Published: June 27, 2023

Bioinks are formulations of biomaterials and living cells, sometimes with growth factors or other biomolecules, while extrusion bioprinting is an emerging technique to apply deposit these bioinks biomaterial solutions create three-dimensional (3D) constructs architectures mechanical/biological properties that mimic those native human tissue organs. Printed have found wide applications in engineering for repairing treating tissue/organ injuries, as well vitro modelling testing validating newly developed therapeutics vaccines prior their use humans. Successful printing subsequent rely on the formulated bioinks, including rheological, mechanical, biological properties, process. This article critically reviews latest developments bioprinting, focusing bioink synthesis characterization, influence Key issues challenges also discussed along recommendations future research.

Language: Английский

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

Polymers, Journal Year: 2022, Volume and Issue: 14(5), P. 920 - 920

Published: Feb. 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.

Language: Английский

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Deposition and water repelling of temperature-responsive nanopesticides on leaves

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: Oct. 12, 2023

Pesticides are widely used to increase agricultural productivity, however, weak adhesion and deposition lead low efficient utilization. Herein, we prepare a nanopesticide formulation (tebuconazole nanopesticides) which is leaf-adhesive, water-dispersed via rapid nanoparticle precipitation method, flash nanoprecipitation, using temperature-responsive copolymers poly-(2-(dimethylamino)ethylmethylacrylate)-b-poly(ε-caprolactone) as the carrier. Compared with commercial suspensions, encapsulation by polymer improves of TEB, contact angle on foliage lowered 40.0°. Due small size strong van der Waals interactions, anti-washing efficiency TEB NPs increased 37% in contrast ones. Finally, acute toxicity zebrafish shows more than 25-fold reduction compared indicating good biocompatibility nanopesticides. This work expected enhance pesticide droplet adhesion, maximize use pesticides, tackling one application challenges pesticides.

Language: Английский

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Dry sliding wear characteristics of natural fibre reinforced poly-lactic acid composites for engineering applications: Fabrication, properties and characterizations

Journal of Materials Research and Technology, Journal Year: 2023, Volume and Issue: 23, P. 1189 - 1203

Published: Jan. 5, 2023

Natural fibre composites have emerged as a viable alternative to conventional polymer composites, after environmental concerns gain popularity. In recent years, tremendous growth in the applications of natural been observed, particularly field construction, well aerospace and automotive industries. The present study investigates feasibility developing novel tribo-material by reinforcing biopolymer with easily accessible inexpensive plant fibres from surroundings. were treated chemically prior fabrication. injection molding process was used fabricate laminated incorporating three different kinds (sisal, banana, bagasse) into Poly-lactic acid (PLA) matrix at 10% 20% concentrations. Wear properties fabricated studied on digital display controlled pin-on-disc test rig. parameters under dry sliding conditions distance (1000–3000 m), speed (2,4 6 m/s) applied load (10 N). experimental results depict that incorporation improved tribological neat PLA matrix. worn surfaces developed examined using scanning electron microscope wear mechanism.

Language: Английский

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3D printing of biodegradable polymers and their composites – Current state-of-the-art, properties, applications, and machine learning for potential future applications

Progress in Materials Science, Journal Year: 2024, Volume and Issue: 146, P. 101336 - 101336

Published: July 9, 2024

This review paper comprehensively examines the dynamic landscape of 3D printing and Machine Learning utilizing biodegradable polymers their composites, presenting a panoramic synthesis research developments, technological achievements, emerging applications. By investigating multitude polymer types, delineates suitability compatibility with diverse methodologies demonstrates merit machine learning techniques, in future manufacturing processes. Moreover, this focuses on intricacies material preparation, design adaptation as well post-processing techniques tailored for polymers, elucidating pivotal role achieving structural integrity functional excellence. From biomedical implants sustainable packaging solutions to artistic creations, unveils expansive spectrum practical implementations, thus portraying multifaceted impact technology. Whilst outlining prevalent challenges such mechanical properties recycling, concurrently surveys ongoing endeavors aimed at addressing these limitations. In essence, encapsulates transformative potential providing roadmap advancements underscoring its fostering manufacturing/consumption future.

Language: Английский

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Advances of Natural Fibers Composites in Diverse Engineering Applications – A Review

Applications in Engineering Science, Journal Year: 2024, Volume and Issue: 18, P. 100184 - 100184

Published: May 31, 2024

This paper emphasizes the significant usage of natural fiber as a reinforced composite in potential engineering field. Mechanical, civil, textile, agricultural, and other sectors have already initiated utilization their multiple fields. After going through some processes like treating chemically synthesizing them accordingly, composites are prepared for respective implementation. Unlike types materials, unique properties recyclability, adaptability, environmental safety, easy persuasion. On hand, different naturally oriented jute, cotton, silk, linen, hemp, etc. almost same kind mechanical, thermal, chemical features traditional materials. Additionally; automobile, marine, aerospace, medical, recreation industries claim realm this type material kingdom. Though moisture problems, swelling, safe reusability threatening fiber-reinforced composites, more research will certainly reduce these problems. Researchers play role permanent solution applications every sector.

Language: Английский

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