A Robust, Biodegradable, and Fire‐Retardant Cellulose Nanofibers‐Based Structural Material Fabricated from Natural Sargassum
Abstract
Abstract With increasing concern about the environmental pollution of petrochemical plastics, people are constantly exploring environmentally friendly and sustainable alternative materials. Compared with petrochemical materials, cellulose has overwhelming superiority in terms of mechanical properties, thermal properties, cost, and biodegradability. However, the flammability of cellulose hinders its practical application to a certain extent, so improving the fire‐retardant properties of cellulose nanofiber‐based materials has become a research focus. Here, cellulose nanofiber and alginate are extracted from abundant natural sargassum as high‐strength nanoscale building blocks, and then a sargassum cellulose fire‐retardant structural material is prepared through a bottom‐up hydrogel layer‐by‐layer method. The structural materials obtained incorporate excellent mechanical properties (≈297 MPa), thermal stability (≈200 °C), low thermal expansion coefficient (≈7.17 × 10 −6 K −1 ), and fire‐retardant properties. This work largely improves the utilization of seaweed residue and natural polymers, providing a bio‐based fire‐retardant strategy, and has a wide range of development prospects in the field of fiber‐based high‐performance structural materials in the future.
Article Details
Authors (10)
De‐Han Li
Department of Chemistry New Cornerstone Science Laboratory Institute of Biomimetic Materials & Chemistry Anhui Engineering Laboratory of Biomimetic Materials Division of Nanomaterials & Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China
Zi‐Meng Han
Department of Chemistry New Cornerstone Science Laboratory Institute of Biomimetic Materials & Chemistry Anhui Engineering Laboratory of Biomimetic Materials Division of Nanomaterials & Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China
Meng Shao
Department of Chemistry New Cornerstone Science Laboratory Institute of Biomimetic Materials & Chemistry Anhui Engineering Laboratory of Biomimetic Materials Division of Nanomaterials & Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China
Zhi‐Jin Jiao
Department of Chemistry New Cornerstone Science Laboratory Institute of Biomimetic Materials & Chemistry Anhui Engineering Laboratory of Biomimetic Materials Division of Nanomaterials & Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China
Chen Gao
Department of Physics, Xiamen University
Wen‐Bin Sun
Department of Chemistry New Cornerstone Science Laboratory Institute of Biomimetic Materials & Chemistry Anhui Engineering Laboratory of Biomimetic Materials Division of Nanomaterials & Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China
Zhao‐Xiang Liu
Department of Chemistry New Cornerstone Science Laboratory Institute of Biomimetic Materials & Chemistry Anhui Engineering Laboratory of Biomimetic Materials Division of Nanomaterials & Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China
Kun‐Peng Yang
Department of Chemistry New Cornerstone Science Laboratory Institute of Biomimetic Materials & Chemistry Anhui Engineering Laboratory of Biomimetic Materials Division of Nanomaterials & Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China
Qing‐Fang Guan
Department of Chemistry New Cornerstone Science Laboratory Institute of Biomimetic Materials & Chemistry Anhui Engineering Laboratory of Biomimetic Materials Division of Nanomaterials & Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China
Shu‐Hong Yu
New Cornerstone Science Laboratory Department of Chemistry Institute of Biomimetic Materials and Chemistry Anhui Engineering Laboratory of Biomimetic Materials Division of Nanomaterials and Chemistry Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of China Hefei 230026 China