Experimental investigation on the thermal protective performance of nonwoven fabrics made of high-performance fibers

Cai, Guangming; Xu, Zhenglin; Li, Wenbin; Yu, Weidong

doi:10.1007/s10973-015-4698-6

Cited by 15 publications

(6 citation statements)

References 13 publications

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“…There are several well-established methods for measuring thermal conductivity of insulation materials [39,40], but only a few of these methods are capable of conducting measurements at temperatures greater than 1273 K [21,41,42]. Generally, test methods are based on either transient or steady-state measurements.…”

Section: Test Methodsmentioning

confidence: 99%

Thermal conductivity of refractory glass fibres

Modarresifar

Bingham

Jubb

2016

J Therm Anal Calorim

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In the present study, the current international standards and corresponding apparatus for measuring the thermal conductivity of refractory glass fibre products have been reviewed. Refractory glass fibres are normally produced in the form of low-density needled mats. A major issue with thermal conductivity measurements of these materials is lack of reproducibility in the test results due to transformation of the test material during the test. Also needled mats are inherently inhomogeneous, and this poses additional problems. To be able to compare the various methods of thermal conductivity measurement, a refractory reference material was designed which is capable of withstanding maximum test temperatures (1673 K) with minimum transformation. The thermal conductivity of this reference material was then measured using various methods according to the different standards surveyed. In order to compare different materials, samples have been acquired from major refractory glass fibre manufacturers and the results have been compared against the newly introduced reference material. Materials manufactured by melt spinning, melt blowing and sol-gel have been studied, and results compared with literature values.

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Section: Test Methodsmentioning

confidence: 99%

Thermal conductivity of refractory glass fibres

Modarresifar

Bingham

Jubb

2016

J Therm Anal Calorim

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“…Non-woven needle-punched materials (used for gas and liquid filtration [1][2][3][4], heat [4][5][6][7][8] and sound insulation [7][8][9][10][11], and road and hydraulic engineering construction [11][12][13][14], etc. ), must have high permeability and sufficient mechanical properties for practical uses that depend on the fabric's porosity [15].…”

Section: Introductionmentioning

confidence: 99%

The Air Permeability and the Porosity of Polymer Materials Based on 3D-Printed Hybrid Non-Woven Needle-Punched Fabrics

Nazarov,

Dedov,

Doronin

et al. 2024

Polymers

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The possibility of controlling the porosity and, as a result, the permeability of fibrous non-woven fabrics was studied. Modification of experimental samples was performed on equipment with adjustable heating and compression. It was found that the modification regimes affected the formation of the porous structure. We found that there was a relationship between the permeability coefficient and the porosity coefficient of the materials when the modification speed and temperature were varied. A model is proposed for predicting the permeability for modified material with a given porosity. As the result, a new hybrid composite material with reversible dynamic color characteristics that changed under the influence of ultraviolet and/or thermal exposure was produced. The developed technology consists of: manufacture of the non-woven needle-punched fabrics, surface structuring, material extrusion, additive manufacturing (FFF technology) and the stencil technique of ink-layer adding. In our investigation, we (a) obtained fibrous polymer materials with a porosity gradient in thickness, (b) determined the dependence of the material’s porosity coefficient on the speed and temperature of the modification and (c) developed a model for calculating the porosity coefficient of the materials with specified technological parameters.

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“…PI fibers are used to provide high-temperature filtration of corrosive liquids and gases; to obtain composite materials; in microelectronics and in the production of protective tech-style. [4][5][6][7][8] Today, high-performance fibers are produced by pulling a melt or solution of a polymer or an inorganic material from a spinneret into an environment (quenching or solvent removal with air/gas, water, or a coagulation bath) where they solidify. 9 A number of methods are used to obtain PI fibers such as dry 10 and wet 11 molding, melt spinning, 12 and electrospinning.…”

Section: Introductionmentioning

confidence: 99%

“…Due to the complex of distinctive characteristics of PI fibers, they can be applied in various fields. PI fibers are used to provide high‐temperature filtration of corrosive liquids and gases; to obtain composite materials; in microelectronics and in the production of protective tech‐style 4–8 …”

Section: Introductionmentioning

confidence: 99%

High‐performance crystallized composite carbon nanoparticles/polyimide fibers

Vaganov

Иванькова

Диденко

et al. 2022

J of Applied Polymer Sci

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High‐performance fibers have been obtained on the basis of fusible semicrystalline R‐BAPB polyimide (PI) matrix and single‐wall carbon nanotubes by the melt spinning method. The resulting fibers have been subjected to orientational drawing and crystallization annealing. An effect of introducing the single‐wall carbon nanotubes as well as orientation drawing and crystallization annealing on the crystallizability, structure, and mechanical properties of the composite PI fibers has been investigated. The use of the carbon nanotubes induces heterogeneous nucleation of the crystalline phase of PI on the surface of the nanoparticles. The introduction of the carbon nanoparticles increases the crystallization rate and reduces the shrinkage of the oriented fibers during annealing, making it possible to obtain crystallized PI fibers with enhanced mechanical characteristics.

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Experimental investigation on the thermal protective performance of nonwoven fabrics made of high-performance fibers

Cited by 15 publications

References 13 publications

Thermal conductivity of refractory glass fibres

Thermal conductivity of refractory glass fibres

The Air Permeability and the Porosity of Polymer Materials Based on 3D-Printed Hybrid Non-Woven Needle-Punched Fabrics

High‐performance crystallized composite carbon nanoparticles/polyimide fibers

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