用于防火安全硬质聚氨酯泡沫的有机-无机杂化聚合物阻燃涂层

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2025-02-06 DOI:10.1016/j.compositesa.2025.108789

Hongliang Ding , Chuanshen Wang , Jue Wang , Lini Wu , Na Sun , Hongfei He , Lu Liu , Wei Wang , Keqing Zhou , Wei Zhang , Bin Yu

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Organic-Inorganic hybrid polymeric flame retardant coating for fire safety rigid polyurethane foam

Rigid polyurethane foams (RPUFs) are widely used for their excellent performance but are limited by their flammability. Flame-retardant coatings are an effective solution to address this issue without compromising their mechanical properties. Herein, flame-retardant copolymer poly(HBA-co-VBS) is synthesized via radical copolymerization of hydroxybutyl acrylate (HBA) and sodium 4-vinylbenzenesulfinate (VBS). A series of transition metal oxide-loaded halloysite nanotubes (Mo-HNTs, Co-HNTs) and hexagonal boron nitride (Mo-BN, Co-BN) are synthesized via impregnation method to prepare organic–inorganic hybrid flame-retardant coatings. The coated RPUFs reach V-0 rating in the UL-94 test with higher LOI over 31 %. Co-HNTs sample exhibits the best flame-retardant performance with the lowest PHRR (142.5 kW m⁻²) and lowest THR (49.9 MJ m⁻²). Inorganic nanoparticles reduce toxic gas emissions, especially CO emission, due to the catalysis effect of Mo and Co. This research provides a novel approach to design high-performance flame-retardant coatings.

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.