Polymer Composites in 3D/4D Printing: Materials, Advances, and Prospects

Molecules, Journal Year: 2024, Volume and Issue: 29(2), P. 319 - 319

Published: Jan. 9, 2024

Additive manufacturing (AM), commonly referred to as 3D printing, has revolutionized the landscape by enabling intricate layer-by-layer construction of three-dimensional objects. In contrast traditional methods relying on molds and tools, AM provides flexibility fabricate diverse components directly from digital models without need for physical alterations machinery. Four-dimensional printing is a revolutionary extension that introduces dimension time, dynamic transformations in printed structures over predetermined periods. This comprehensive review focuses polymeric materials exploring their versatile processing capabilities, environmental adaptability, applications across thermoplastics, thermosetting materials, elastomers, polymer composites, shape memory polymers (SMPs), including liquid crystal elastomer (LCE), self-healing 4D printing. also examines recent advancements microvascular encapsulation mechanisms, explores potential supramolecular polymers, highlights latest progress hybrid using polymer-metal polymer-ceramic composites. Finally, this paper offers insights into challenges faced additive composites suggests avenues future research rapidly evolving field.

Language: Английский

---

Food for future: Exploring cutting-edge technology and practices in vertical farm

Sustainable Cities and Society, Journal Year: 2024, Volume and Issue: 106, P. 105357 - 105357

Published: March 18, 2024

With the growing urbanized population, vertical farming becomes indispensable in eradicating hunger and ensuring food security for future. Food has become a major challenge future owing to scarcity of land, rising global urbanization, polluted soil water resources. In this scenario, as an innovative production technology caters increased productivity with limited resources improved carbon footprint. The review begins brief introduction concept farming, its opportunities implications on economy, environment, society whole, following in-depth qualitative analysis cutting-edge innovations/technologies are presented detail. Contrary numerous research focusing mere economic viability statistical analysis, aim is introduce real technologies that address challenges farms such lack technical skills or energy requirements. recent advances includes construction outer structure shelves using light weight transparent polymer composites, engineered tunable LEDs lightings, 3-D printed recyclable substrates, AI-integrated IoTs environment control, harvesting materials renewable storage etc. Such material innovations inclusion AI robotics transform automated into 'state art' agricultural technology. Production shelf fabricated UV cured GBOV-glass fiber composite 60% transparency can overcome limitation, corrosion, obstructions associated conventional steel shelves. Replacing non-renewable fossil fuels harvested dots, florescent materials, perovskite solar cells recommended minimize high capital investments well reduce environmental impact. Smart phase change thermoresponsive windows control amount expended whereas smart substrate promotes resource management. Application newest facilitates precise early pest detection, automation processes, data-driven decision making precision agriculture. short, utilizing modern science enhanced productivity, quality, reduced cost, management sustainability. Hence, sustainable promoting circularity have potential burgeoning

Language: Английский

---

Studies on poly(butylene succinate) and poly(butylene succinate-co-adipate)-based biodegradable plastics for sustainable flexible packaging and agricultural applications: a comprehensive review

RSC Sustainability, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

PBS and PBSA can be used to manufacture cost-effective sustainable materials for applications in food packaging agriculture.

Language: Английский

---

Environmental and Wastewater Treatment Applications of Stimulus-Responsive Hydrogels

Gels, Journal Year: 2025, Volume and Issue: 11(1), P. 72 - 72

Published: Jan. 16, 2025

Stimulus-responsive hydrogels have emerged as versatile materials for environmental and wastewater treatment applications due to their ability adapt changing conditions. This review highlights recent advances in the design, synthesis, functionalization of such hydrogels, focusing on applications. Various synthesis techniques, including radical polymerization, grafting, copolymerization, enable development with tailored properties enhanced adsorption capacity, selectivity, reusability. The incorporation nanoparticles bio-based polymers further improves structural integrity pollutant removal efficiency. Key mechanisms adsorption, ion exchange, photodegradation are discussed, emphasizing roles removing heavy metals, dyes, organic pollutants from wastewater. Additionally, this presents potential oil-water separation, pathogen control, future sustainability through integration into circular economy frameworks. adaptability, cost-effectiveness, eco-friendliness these make them promising candidates large-scale remediation.

Language: Английский

---

Hydroponic Agriculture and Microbial Safety of Vegetables: Promises, Challenges, and Solutions

Horticulturae, Journal Year: 2023, Volume and Issue: 9(1), P. 51 - 51

Published: Jan. 3, 2023

Hydroponics is a farming technique for growing plants with mineral nutrients using soil-free medium. The plant roots are submerged in media, such as vermiculite or perlite, just nutrient solutions. This allows high production yields throughout the year less water and agro-chemical inputs. Consequently, hydroponics considered sustainable agriculture technology. Hydroponically grown crops usually protected from diseases transmitted through soil animals open fields. Therefore, they require fewer chemicals pest control safer than conventionally terms of possible chemical contamination. Nevertheless, guarantees neither health nor microbial safety fresh produce. In case contamination by human pathogens, unlike soil-grown crops, pathogens may rapidly spread circulating simultaneously infect all facility. review summarizes up-to-date knowledge regarding hydroponically discusses role hydroponic system reducing hazards leafy fruity well potential risks pathogens. Finally, it outlines approaches available science-based practices to ensure produce safety. risk systems be diminished novel planting materials appropriate decontamination treatment recirculating liquid substrate; modulating microbiota interactions; following strict phytosanitary measures workers’ hygienic practices. There timely need adopt measures, Good Agricultural Practice (GAP) guidelines, mitigate safe vegetables consumers.

Language: Английский

---

Sustainable Biomass Lignin-Based Hydrogels: A Review on Properties, Formulation, and Biomedical Applications

International Journal of Molecular Sciences, Journal Year: 2023, Volume and Issue: 24(17), P. 13493 - 13493

Published: Aug. 30, 2023

Different techniques have been developed to overcome the recalcitrant nature of lignocellulosic biomass and extract lignin biopolymer. Lignin has gained considerable interest owing its attractive properties. These properties may be more beneficial when including in preparation highly desired value-added products, hydrogels. biopolymer, as one three major components biomaterials, attracted significant biomedical field due biocompatibility, biodegradability, antioxidant antimicrobial activities. Its valorization by developing new hydrogels increased recent years. Furthermore, lignin-based shown great potential for various applications, their copolymerization with other polymers biopolymers further expands possibilities. In this regard, can synthesized a variety methods, but not limited interpenetrating polymer networks polymerization, crosslinking copolymerization, grafted monomers, atom transfer radical reversible addition–fragmentation polymerization. As an example, mechanism lignin–chitosan–poly(vinyl alcohol) (PVA) hydrogel involves active groups such hydroxyl, carboxyl, sulfonic that form hydrogen bonds (with chemical structures chitosan and/or PVA) ionic PVA). The aim review paper is provide comprehensive overview focusing on applications these addition, we explore wound healing, drug delivery systems, 3D bioprinting, showcasing unique enable successful utilization areas. Finally, discuss future trends draw conclusions based findings presented.

Language: Английский

---

Intelligent hydrogel on–off controller sensor for irrigation

Advanced Composites and Hybrid Materials, Journal Year: 2023, Volume and Issue: 7(1)

Published: Dec. 31, 2023

Language: Английский

---

Rhizospheric Addition of Hydrogel Polymer and Zeolite Plus Glutathione Mitigate the Hazard Effects of Water Deficiency On Common Bean Plants Through Enhancing the Defensive Antioxidants

Deleted Journal, Journal Year: 2023, Volume and Issue: 76(1), P. 235 - 249

Published: Nov. 14, 2023

Abstract Currently, the world is facing many troubles in crop production and irrigation water deficit most harmful among them. Saving main target for all countries of world, especially arid areas. Field trial was executed aiming to assess influence regimes (100, 80 60% requirements, IR (IR 100 , 60 respectively), water-absorbent substances (control, hydrogel polymer zeolite as soil addition) foliar application glutathione (GSH) [with GSH or without] on performance common bean plants. Findings clarified that plant fresh weight obtained with combination × had no significant differences superior GSH. Hydrogel plus supply showed distinctive enhancements N, P K accumulation leaves. Application reduced POX CAT by 21.8 15.5% under 16.1 7.6% respectively. Spraying 100, significantly increased value pods yield 26.5%, 25.23% 32.80, respectively, compared corresponding control treatment. interaction whether without highest values P, protein, fiber, carbohydrates percentages TDS. Briefly, it can be concluded holding amendments i.e., well low-molecular-weight antioxidants mitigate hazard impacts elevated reactive oxygen species drought. Practically, growers are advised treat available amendment (hydrogel polymer, 0.24 t ha −1 zeolite, 1.20 ) spraying plants glutathione, 1.0 mM sustain productivity quality shortage conditions

Language: Английский

---

Modulation and Mechanisms of Cellulose‐Based Hydrogels for Flexible Sensors

SusMat, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

ABSTRACT Flexible sensors exhibit the properties of excellent shape adaptability and deformation ability, which have been applied for environmental monitoring, medical diagnostics, food safety, smart systems, human–computer interaction. Cellulose‐based hydrogels are ideal materials fabrication flexible due to their unique three‐dimensional structure, renewability, ease processing, biodegradability, modifiability, good mechanical properties. This paper comprehensively reviews recent advances cellulose‐based in construction sensor applications. The characteristics, mechanisms, advantages prepared by physical cross‐linking, chemical cross‐linking respectively analyzed summarized detail. focus then turns research development hydrogel sensors, including sensing (pressure/strain, humidity/temperature, optical sensing), (chromium, copper, mercury ion sensing, toxic gas nitrite biosensing (glucose, antibody, cellular sensing). Additionally, limitations along with key challenges future directions, discussed. It is anticipated that this review will furnish invaluable insight advancement novel green, facilitate integration as a fundamental component multifunctional technologies, thereby expediting design innovative near future.

Language: Английский

---

An Overview of Polymeric Hydrogel Applications for Sustainable Agriculture

Agriculture, Journal Year: 2024, Volume and Issue: 14(6), P. 840 - 840

Published: May 27, 2024

Agriculture, a vital element of human survival, confronts challenges meeting rising demand due to population growth and product availability in developing nations. Reliance on pesticides fertilizers strains natural resources, leading soil degradation water scarcity. Addressing these issues necessitates enhancing efficiency agriculture. Polymeric hydrogels, with their unique retention nutrient-release capabilities, offer promising solutions. These superabsorbent materials form three-dimensional networks retaining substantial amounts water. Their physicochemical properties suit various applications, including Production involves methods like bulk, solution, suspension polymerization, cross-linking, essential for achieved through physical or chemical means, each different advantages. Grafting techniques incorporate functional groups into matrices, while radiation synthesis offers purity reduced toxicity. Hydrogels provide versatile solutions tackle scarcity Recent research explores hydrogel formulations optimal agricultural performance, plant growth. This review aims comprehensive overview technologies as adaptable addressing agriculture, ongoing refining use.

Language: Английский

---