Dongqiao Zhang, Jingjing Liu, Brandon L. Williams, Zaili Hou, Josh N. Bodin, Benjamin J. Lofink, Victor H. Santos, Elaina M. Becher, Saral B. Shrestha, Zain Nasir, Harsh Patel, Anthony Partyka, Xiaohong Peng, Luyi Sun
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Enhancing flame retardancy of flexible polyurethane foams through one-step coassembled nanocoatings
Scalable and durable flame retardant nanocoatings were prepared through a fast, one-step coassembly process and applied to flexible polyurethane (PU) foams. The coated PU foams exhibited excellent performance, remaining highly flame retardant even after 1000 compression test cycles. The effect of the ratio of montmorillonite (MMT) to polyacrylic acid (PAA) on flame retardancy and compressive characteristics was systematically explored. The samples coated with only MMT and ammonium dihydrogen phosphate (ADP) displayed the weakest resilience and the greatest weight loss in the cyclic compression test. However, a higher content of MMT in the coatings could enhance the flame retardancy and thermal stability of the coated PU foams. Although PAA might not directly contribute to the flame retardancy of PU foams, it plays a key role in maintaining the robustness and resilience of the coating layer during multiple cycles of compression. Our research offers an effective method for producing scalable, durable, and robust flame retardant nanocoatings through a one-step process, suitable for PU foams and potentially many other substrates.
期刊介绍:
Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field.
The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest.
Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials.
Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.