Flame‐retardant fabric systems based on electrospun polyamide/boric acid nanocomposite fibers

Selvakumar, N.; Azhagurajan, A.; Natarajan, T. S.; Khadir, M. Mohideen Abdul

doi:10.1002/app.36640

Cited by 27 publications

(20 citation statements)

References 11 publications

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“…9(a), some residual carbon was observed on MN6C fabrics even after testing the flame for 18.5 s. This result confirms that addition of MgO nanoparticles to MN6C fabrics can enhance the flame retardancy. This observation is in line with our earlier studies that the overall flame retardancy performance of coated fabrics is higher than that of the UC fabrics [16,31]. Although N6C fabrics showed an increase in flame retardancy compared with UC fabrics, the observed burning time is less than that of MgO-coated nanofabrics (MN6C).…”

Section: Resultssupporting

confidence: 92%

Electrospun MgO/Nylon 6 Hybrid Nanofibers for Protective Clothing

Rajendran¹,

Dhineshbabu²,

Karunakaran³

et al. 2014

Nano-Micro Lett

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Magnesia (MgO) nanoparticles were produced from magnesite ore (MgCO3) using ball mill. The crystalline size, morphology and specific SSA were characterized by X-ray diffraction analysis, transmission electron microscopy and Brunauer-Emmett-Teller method, respectively. MgO nanoparticle-incorporated nylon 6 solutions were electrospun to produce nanofiber mats. Surface morphology and internal structure of the prepared hybrid nanofiber mats were examined by scanning electron microscopy and high-resolution transmission electron microscopy, respectively. The fire retardancy and antibacterial activity (Staphylococcus aureus and Escherichia coli) of coated fabrics made from MgO/nylon 6 hybrid nanofiber are better than those from nylon 6 nanofiber.

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Section: Resultssupporting

confidence: 92%

Electrospun MgO/Nylon 6 Hybrid Nanofibers for Protective Clothing

Rajendran¹,

Dhineshbabu²,

Karunakaran³

et al. 2014

Nano-Micro Lett

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“…Thereby, H 3 BO 3 is a kind of FR with good flame retardancy, and it can be solely added or used together with others to get better efficiency. [31][32][33][34] To get a kind of EG with low the sulfur content, well dilatability and flame retardancy, this research is to prepare H 3 BO 3 modified EG (written as EG B ) through flake graphite intercalation reaction with H 2 SO 4 as main intercalator and H 3 BO 3 as assistant intercalator simultaneously. The preparation method was founded and energy dispersive spectroscopy (EDS) was used to confirm the change of sulfur relative content.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Boric Acid Modified Expandable Graphite and Its Influence on Polyethylene Combustion Characteristics

Zhao

Lin

2016

J. Chil. Chem. Soc.

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A boric acid modified expandable graphite (EG B ) was prepared through oxidizing-intercalating reaction of natural graphite, using H 2 SO 4 and boric acid (H 3 BO 3 ) as intercalators simultaneously. The dilatability of the intercalated products were characterized with expansion volume and initial expansion temperature. Scanning electron microscope, X-ray diffraction spectroscopy, energy dispersive spectroscopy and Fourier transform infrared spectroscopy were employed to detect its layer structure, main element relative contents and function group. At the same time, its influence on combustion characteristics and thermal stability for linear low density polyethylene (LLDPE) were investigated in limiting oxygen index (LOI) tests, vertical burning tests and thermal gravimetric/differential thermal gravimetric analyses. Comparing with the normal expandable graphite (EG, intercalated by single H 2 SO 4 ), EG B exhibited high dilatability, thermal stability and flame retardancy for LLDPE. It had been testified by combustion tests that the addition of 30 wt % EG B to LLDPE improved the limiting oxygen index (LOI) from 17.6% to 30.2%, and the vertical burning level of UL-94 standard reached V-0 level. Whereas, the LOI of the same amount referenced EG was only 25.1%, the UL-94 level only reached V-1. Moreover, the synergistic effect between EG B and ammonium polyphosphate (II) (APP) improved the LOI of 70LLDPE/10APP/20EG B composite to 33.0%, and the UL-94 level to V-0. The synergistic efficiency was attributed to the formation of continuous and compact residual char.

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“…In the ENFs and ECNFs case, the applications depend strongly on the composition of the fibers and differ somewhat to the textile fiber applications. Thus, some of the most relevant applications of the ENFs and ECNFs are water treatment [ 106 ], antibacterial purposes [ 107 ], wound dressing [ 108 ], drug delivery [ 109 ], sensing [ 110 , 111 ] and biosensing [ 112 ], tissue engineering [ 113 ], catalyst [ 114 ], microwave absorption [ 115 ], flame retardants [ 116 ], and other biomedical issues [ 117 , 118 ].…”

Section: Reviewmentioning

confidence: 99%

Nanomaterials for Functional Textiles and Fibers

et al. 2015

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Nanoparticles are very interesting because of their surface properties, different from bulk materials. Such properties make possible to endow ordinary products with new functionalities. Their relatively low cost with respect to other nano-additives make them a promising choice for industrial mass-production systems. Nanoparticles of different kind of materials such as silver, titania, and zinc oxide have been used in the functionalization of fibers and fabrics achieving significantly improved products with new macroscopic properties. This article reviews the most relevant approaches for incorporating such nanoparticles into synthetic fibers used traditionally in the textile industry allowing to give a solution to traditional problems for textiles such as the microorganism growth onto fibers, flammability, robustness against ultraviolet radiation, and many others. In addition, the incorporation of such nanoparticles into special ultrathin fibers is also analyzed. In this field, electrospinning is a very promising technique that allows the fabrication of ultrathin fiber mats with an extraordinary control of their structure and properties, being an ideal alternative for applications such as wound healing or even functional membranes.

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Flame‐retardant fabric systems based on electrospun polyamide/boric acid nanocomposite fibers

Cited by 27 publications

References 11 publications

Electrospun MgO/Nylon 6 Hybrid Nanofibers for Protective Clothing

Electrospun MgO/Nylon 6 Hybrid Nanofibers for Protective Clothing

Preparation of Boric Acid Modified Expandable Graphite and Its Influence on Polyethylene Combustion Characteristics

Nanomaterials for Functional Textiles and Fibers

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