Fabrication of Fire-Retardant and Impact-Resistant Hierarchical Rigid Porous Composites via Surface Coating Strategy
Source abstract
Abstract
Rigid polyurethane foam (RPUF) shows great application potential in the fields of architecture, household, and transportation due to its lightweight, durability, and excellent heat insulation. However, it remains challenging to construct flame-retardant and impact-resistant RPUF composites with good thermal insulation through a facile approach. Herein, multifunctional hierarchical RPUF composites were prepared by simple one-pot foaming and brush-coating methods. Due to the hierarchical structure and multifunctional polyborosiloxane/phytic acid/polyethylenimine (PBS/PAP) coating, the as-created foams displayed excellent fire safety and impact resistance. For instance, the peak of heat release rate and total heat release of the RPUF composite with the PBS/PAP coating decreased by 70.1 and 57.0%, respectively, relative to those of pure RPUF. Furthermore, the composite showed good heat insulation and improved thermal stability performance. This work offers a paradigm for the design of multifunctional RPUF composites with outstanding fire resistance, impact resistance, and heat insulation properties, which represent prospective potential in safety protective materials.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Flame retardant materials and properties · Polymer composites and self-healing · Fire dynamics and safety research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Environment and Safety Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou 350116, PR China
College of Civil Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou 350116, PR China
School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, PR China
Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China
Centre for Future Materials, University of Southern Queensland, Springfield, QLD 4350, Australia
School of Agriculture and Environmental Science, University of Southern Queensland, Springfield, QLD 4300, Australia
Funding
Fuzhou University · National Natural Science Foundation of China
References (53)
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