Double-layered chitosan aerogel/MXene film composites with asymmetric structure for absorption-dominated electromagnetic interference shielding and solar-driven interfacial evaporation

Advanced Composites and Hybrid Materials, Год журнала: 2024, Номер 8(1)

Опубликована: Дек. 13, 2024

Язык: Английский

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Self‐Cleaning and Anticorrosive Silica Microsphere@Boron Nitride Nanosheets Core–Shell Hierarchical Structure for Highly Efficient Passive Radiative Cooling

Small, Год журнала: 2024, Номер unknown

Опубликована: Дек. 5, 2024

Abstract Passive radiative cooling is a promising technology that can achieve high‐efficient by reflecting solar radiation while simultaneously emitting heat without consuming energy. However, to precisely construct the microstructure of materials crucial maximize their performance. Herein, self‐cleaning and anticorrosive 3D silica microsphere@boron nitride nanosheets core–shell hierarchical structure (SiO 2 @BNNSs) stacked coating fabricated on surface aluminum oxide substrate. The cooperative integration prominently sunlight reflective BNNSs highly selective infrared emissive SiO microspheres, combined with scattering brought interconnecting configuration, results in an outstanding reflectance 0.84 mid‐infrared emittance 0.82 for @BNNS coating. These features enable exhibit excellent passive performances high temperature drop ≈17.5 °C sunny day ≈8.1 overcast day, respectively. More importantly, also exhibits performance corrosion resistance both acidic alkaline conditions, ensuring preeminent stability over long time various practical applications. This work demonstrates hybridization reflection, scattering, different through reasonable design cooling, offering prospect energy‐saving technology.

Язык: Английский

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Sustainable, Scalable, and Highly Flame-Retardant Cellulose-Containing Fabrics

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер 13(1), С. 396 - 405

Опубликована: Дек. 26, 2024

Polyester-cotton fabrics (PCFs) combine the advantages of polyester and cotton, offering durability, moisture absorption, breathability, making them widely used in workwear, home decoration, other applications. However, flammability PCFs limits their use certain areas. In this work, we develop a two-step flame-retardant modification process through Michael addition prepolymerization reactions. Using simple chemical modification, produce with excellent properties. The modified achieved limiting oxygen index 32.7, demonstrating good flame resistance. During combustion, can generate large amount noncombustible gases phosphorus-containing substances, forming uniform carbon layer on fabric's surface, thereby exhibiting superior property. developed work uses water as solvent throughout, it environmentally friendly providing new approach for functional cellulose-containing fabrics.

Язык: Английский

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Zr4+ and Al3+ coordinated cross-linked conductive collagen fibers/solvent-free polyurethane foam with ultra-low reflective electromagnetic shielding properties

Chemical Engineering Journal, Год журнала: 2024, Номер unknown, С. 156695 - 156695

Опубликована: Окт. 1, 2024

Язык: Английский

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Durable Fe3O4/PPy Particle Flow Spun Textile for Electromagnetic Interference Shielding and Joule Heating

Advanced Fiber Materials, Год журнала: 2024, Номер unknown

Опубликована: Дек. 13, 2024

Язык: Английский

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