Construction of few-layered black phosphorus/graphite-like carbon nitride binary hybrid nanostructure for reducing the fire hazards of epoxy resin

Ren, Xiyun; Zou, Bin; Zhou, Yifan; Zhao, Zhixin; Qiu, Shuilai; Song, Lei

doi:10.1016/j.jcis.2020.10.139

Cited by 47 publications

(21 citation statements)

References 48 publications

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“…Furthermore, BP quantum dots heterojunction 0D/2D BPQDs/ g-CN was reported in H 2 evolution 41,42 and photoreduction. 43 2D/2D BP/g-CN heterojunctions were reported in H 2 evolution, 44,45 photooxidation of toluene and benzyl alcohol to benzaldehyde, 46 fire retardant, 47 and drug degradation. 48 Heterojunctions established from integrating distinct semiconductor materials manifest combined, and often synergetic effects attribute exceeding the functionality of the individual components and open potent opportunities.…”

Section: Introductionmentioning

confidence: 99%

Synergism between few-layer black phosphorus and graphitic carbon nitride enhances the photoredox C–H arylation under visible light irradiation

Eroğlu

Özer

Kubanaliev

et al. 2022

Catal. Sci. Technol.

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Section: Introductionmentioning

confidence: 99%

Synergism between few-layer black phosphorus and graphitic carbon nitride enhances the photoredox C–H arylation under visible light irradiation

Eroğlu

Özer

Kubanaliev

et al. 2022

Catal. Sci. Technol.

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“…In recent years, an emerging two‐dimensional nanomaterial black phosphorus (BP) has been discovered by researchers. BP has unique layered structures and exhibits efficient flame retardancy 16 . Zhou et al 17 constructed graphene oxide modified black phosphorus (BP‐RGO) by covalent bonding, the introduction of 2.0 wt% BP‐RGO reduced total heat release (THR) and total smoke production (TSP) of EP thermosets by 54.4% and 28.5%, respectively.…”

Section: Introductionmentioning

confidence: 99%

“…At present, BP is mainly obtained by ball milling method and red phosphorus mineralization method 22–24 . Both of which face a series of problems, such as low yield, harsh preparation conditions, cumbersome steps, complicated process and high cost 16,24 . The researches on BP flame retardants are currently only at the research stage.…”

Section: Introductionmentioning

confidence: 99%

“…BP has unique layered structures and exhibits efficient flame retardancy. 16 Zhou et al 17 constructed graphene oxide modified black phosphorus (BP-RGO) by covalent bonding, the introduction of 2.0 wt% BP-RGO reduced total heat release (THR) and total smoke production (TSP) of EP thermosets by 54.4% and 28.5%, respectively. Qu et al 18 functionalized BP by synthesized melamine-formaldehyde (MF), called BP@MF.…”

mentioning

confidence: 99%

“…[22][23][24] Both of which face a series of problems, such as low yield, harsh preparation conditions, cumbersome steps, complicated process and high cost. 16,24 The researches on BP flame retardants are currently only at the research stage. In order to meet the market demand, the phosphorus-based flame retardants that are conducive to industrialization should be selected as the research object.…”

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confidence: 99%

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From laboratory to industrialization: Eco‐friendly flame retardant endowing epoxy resin with excellent flame retardancy, transparency, and mechanical properties

Qiao

Liu

Zhang

et al. 2022

Polymers for Advanced Techs

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To eliminate the fire safety hazards (flammability and smoke toxicity) of epoxy resins (EP), while reaching industrial production of flame retardants, we proposed a facile strategy to successfully synthesize an industrially scalable phosphorus‐nitrogen flame retardant (named FNU) by the substitution reaction of 2‐(2‐aminoethylamino) ethanol and 9,10‐dihydro‐9‐oxo‐10‐phosphofi‐10‐oxide. FNU was synthesized in a simple and heat‐free step with room temperature stirring, and such process optimizations facilitate industrially scalable. As expected, FNU endowed EP with excellent flame retardancy and smoke suppression properties. EP mixing with 10 phr of FNU reached the highest limiting oxygen index value of 44.5%, UL‐94 reached V‐0 level, total smoke production and total heat release were reduced by 15.5% and 19.8% compared with pure EP. Residual carbon analysis showed that the presence of FNU could promote to form dense and continuous carbon layer. Thermogravimetric analysis‐infrared spectrometry results demonstrated a significant reduction in the pyrolysis products, especially in the yield of CO. Moreover, the structure of FNU contained aromatic rigid and reactive amine groups that significantly improved the mechanical properties of EP without affecting its transparency, retaining its value for applications in optical materials.

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Flame‐retardant epoxy resin with good smoke‐suppression endowed by chitosan–cobalt/phosphorus complex

Wu,

Zhou,

Pan

et al. 2023

J of Applied Polymer Sci

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Chitosan‐based flame‐retardant CS–Co–DOPA (CCD) was synthesized by the neutralization reaction of 10‐hydroxy‐9,10‐dihydro‐9‐oxo‐10‐phosphaphenanthrene‐10‐oxide (DOPA) with chitosan‐cobalt complex and fully characterized by scanning electron microscopy (SEM), energy‐dispersive spectrometer, x‐ray diffraction, X‐ray photoelectron spectroscopy (XPS), optical emission spectrometer, and Fourier transform infrared (FTIR) characterizations. The epoxy resin (EP) modified with CCD exhibited good flame retardancy. With the addition of 5 wt% CCD, the EP/CCD achieved UL‐94 V‐1 rating and possessed limiting oxygen index (LOI) value of 30%. Cone calorimetry (CC) test demonstrated that EP/CCD resulted in a remarkable reduction of peak smoke production rate (pSPR) and total smoke production (TSP) by 63% and 40%, respectively, showing an outstanding smoke suppression. The char residue obtained from the CC test was further characterized using SEM, FTIR, Raman, and XPS techniques. The results revealed that CCD facilitated the formation of a dense and compact char layer on EP during combustion, thereby impeding gas and heat transfer. In addition, TG‐IR was employed to investigate the gas‐phase flame‐retardant effect of EP/CCD composites, which revealed that CCD promotes the release of water, CO2, and other incombustible gases, altering the decomposition path of EP.

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Construction of few-layered black phosphorus/graphite-like carbon nitride binary hybrid nanostructure for reducing the fire hazards of epoxy resin

Cited by 47 publications

References 48 publications

Synergism between few-layer black phosphorus and graphitic carbon nitride enhances the photoredox C–H arylation under visible light irradiation

Synergism between few-layer black phosphorus and graphitic carbon nitride enhances the photoredox C–H arylation under visible light irradiation

From laboratory to industrialization: Eco‐friendly flame retardant endowing epoxy resin with excellent flame retardancy, transparency, and mechanical properties

Flame‐retardant epoxy resin with good smoke‐suppression endowed by chitosan–cobalt/phosphorus complex

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