Polyamide-based nanofiltration membranes with acicular leaf-like structure for rapid and selective separation of mono-divalent salts

Journal of Membrane Science, Год журнала: 2025, Номер 721, С. 123822 - 123822

Опубликована: Фев. 7, 2025

Язык: Английский

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Circular Economy Solutions: The Role of Thermoplastic Waste in Material Innovation

Sustainability, Год журнала: 2025, Номер 17(2), С. 764 - 764

Опубликована: Янв. 19, 2025

Plastics play an indispensable role in modern society, yet their long-term durability poses severe environmental challenges, with mismanaged waste polluting ecosystems worldwide. The transition to a circular economy emphasizes the importance of recycling and resource recovery mitigate these impacts. While conventional disposal methods like mechanical chemical or incineration face limitations such as quality degradation, high costs, pollutant emissions, value-added approaches present innovative solution. This review explores potential integrating recycled plastic into composite materials enhance performance sustainability. Focusing on diverse strategies, paper highlights use plastics combination fibers, wood, metal, concrete, glass, rubber, textiles, foam. These composites demonstrate superior mechanical, thermal, properties, enabling applications across industries construction, automotive, aerospace, furniture. Furthermore, various roles waste—such filler, reinforcement, matrix, additive—are analyzed showcase advancements material innovation. By presenting methodologies outcomes from recent research, this underscores creating high-performance materials, supporting sustainable development economic goals.

Язык: Английский

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Facilitating polymorphic crystallization of HMX through ultrasound and trace additive assistance

Ultrasonics Sonochemistry, Год журнала: 2024, Номер 107, С. 106946 - 106946

Опубликована: Июнь 6, 2024

Low sensitivity octahydro-1,3,4,7-tetranitro-1,3,5,7-tetrazocine (HMX) has garnered significant attention from researchers due to its reduced shock sensitivity. However, the crystallization process poses challenges high solidity and viscosity of metastable α phase. Despite efforts address this with additional energy sources like ultrasonic irradiation, prolonged exposure duration often results in small particle sizes, hindering production HMX a consistent size distribution, thus limiting applicability. To overcome these challenges, method combining irradiation trace H

Язык: Английский

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Potential Nano/Microcenters of Crystal Nucleation in Reagent-Grade Purity Solvents and Their Differentiation by Fluorescent-Tagged Antiscalant

Crystals, Год журнала: 2024, Номер 14(7), С. 650 - 650

Опубликована: Июль 15, 2024

A common issue in studies on liquid-phase chemical processes is that the natural solid nanoimpurities present reagent-grade chemicals are ignored. Little known about these impurities’ nature, sizes, concentrations, and behavior, yet they significantly affect efficiency of antiscalants municipal laboratory solutions. Recent research has focused on: (i) estimating nanoimpurity concentrations in-house deionized water semiconductor-grade isopropanol using “light sheet” optical ultramicroscopy, (ii) visualizing antiscalant sorption impurities. Using a fluorescent-tagged aminobis(methylenephosphonic acid) (ADMP-F), we tracked its affinity to particulate matter KCl Our study showed total concentration nanoparticles with size larger than 20 nm 106 units/mL 105 isopropanol. Extrapolation values ≥1 resulted 1011 108 units/mL. The addition or ADMP-F increased foreign nanoparticle populations. selectively adsorbed by only some impurities, while most molecules remain as true solution. To our knowledge, this first instance fluorescently labeled aminoalkylphosphonates being able differentiate traces purity Therefore, role crystallization centers should be seriously reconsidered, especially their important application scale inhibition.

Язык: Английский

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Morphological change of ZnO using hydrothermal technique and organic modifiers

Nano-Structures & Nano-Objects, Год журнала: 2025, Номер 41, С. 101436 - 101436

Опубликована: Янв. 11, 2025

Язык: Английский

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Photothermal enhanced percrystallization using inorganic carbon membrane for mineral and water recovery

Desalination, Год журнала: 2025, Номер unknown, С. 118555 - 118555

Опубликована: Янв. 1, 2025

Язык: Английский

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Influence of substituting CaO with SrO on the crystallization behavior of CaO-SiO2 based continuous casting mold fluxes

Ceramics International, Год журнала: 2025, Номер unknown

Опубликована: Фев. 1, 2025

Язык: Английский

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Rheology as a Tool to Investigate Anti‐Nucleation in Semicrystalline Polymers

Journal of Applied Polymer Science, Год журнала: 2025, Номер unknown

Опубликована: Фев. 17, 2025

ABSTRACT In semicrystalline polymers, the crystallization process plays a vital role in determining their properties. Differential scanning calorimeter (DSC) is conventional method for studying kinetics polymers but may lack sensitivity detecting antinucleating phenomena. This work applied rheological technique to detect effect of 3,4‐dihydroxyhydrocinnamic acid (hydrocaffeic [HCA]) on polycaprolactone (PCL). While DSC was useful HCA's ability reduce PCL's melting point, it could not polymer's during cooling cycle. Adding nucleating agent dibenzylidene sorbitol (DBS) did negate effect. Parallel plate rheology revealed that HCA caused fourfold reduction solidification time, with Avrami rate constants changing by 10 −3 times. Additionally, polarized optical microscopy visually demonstrated hindering PCL crystallization. Analyzing measurements and model proved successful while observing process.

Язык: Английский

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Eco-friendly additives for biodegradable polyesters: Recent progress in performance optimization and environmental impact reduction

Sustainable materials and technologies, Год журнала: 2025, Номер unknown, С. e01395 - e01395

Опубликована: Апрель 1, 2025

Язык: Английский

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Near‐Infrared Emissive CuInS₂/ZnS Quantum Dot‐Embedded Polymer Scaffolds for Photon Upconversion Imaging

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Апрель 16, 2025

Abstract A facile synthesis and application of photon upconversion (UC) probes, CuInS₂/ZnS quantum dots (nCIS QDs) is presented, which exhibits near‐infrared (NIR) spectral emission. The nCIS QDs are synthesized via a template‐assisted cation‐exchange reaction during heating process, resulting in NIR‐I emission with large Stokes shift (≈650 meV) high photoluminescence yield (PLQY, ≈0.95). This behavior attributed to mechanism that produces wurtzite crystal structure deep defect states, leading relatively long fluorescence lifetime (≈5 µs ). confinement effect allows for the light at different wavelengths by adjusting size nanocrystals. Moreover, their states facilitate UC self‐trapping triplet‐triplet annihilation mechanism. promising potential explored imaging, demonstrating high‐contrast NIR imaging under IR vision modules, even presence interference layers. It suggests applications surgical guidance future biomedical imaging.

Язык: Английский

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