Ways of providing fire safety of aviation materials

Barbotko, S.L.

doi:10.1134/s1070363211050422

Cited by 5 publications

(5 citation statements)

References 1 publication

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“…One of the ways of reducing the flammability of polymers is to introduce fireproofing agents -substances or mixtures that decompose with the formation of nonflammable compounds and/or prevent the breakdown of the material with the liberation of combustible gases. On the basis of the results of analysing published data and technical patent investigations, melamine phosphate and organobentonite were chosen as the fireproofing agents [20,21,25,[28][29][30][31].…”

Section: Resultsmentioning

confidence: 99%

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Reduction in the Flammability of Polyurethanes

Петрова

Beider

Rumyantseva

2016

International Polymer Science and Technology

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This paper gives the results of investigations on reducing the flammability of polyurethanes produced by Russian industry, based on polyether and polyester. An investigation was made of the effect of fireproofing agents on the physicomechanical characteristics of polyurethanes in the initial state (at 20°C) and after exposure to elevated temperatures (60, 80, and 100°C). The flammability of the developed composites was studied. A composite with the optimum combination of properties was determined.

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Section: Resultsmentioning

confidence: 99%

“…With respect to the indices given, the materials are classified into hardly combustible, self-extinguishing, slowly combustible, and combustible (duration of combustion -over 15 s, length of burnt part of specimen -over 170 mm) [22][23][24][25][26][27].…”

Section: Methodsmentioning

confidence: 99%

Reduction in the Flammability of Polyurethanes

Петрова

Beider

Rumyantseva

2016

International Polymer Science and Technology

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“…On the basis of previous investigations, a halidecontaining fireproofing agent, decabromodiphenyl oxide, which has reactive functional groups that interact with PBT to give it fire resistance, was chosen as the fireproofing additive for composite V-005M [4,24,29,35,37,43].…”

Section: Figure 3 the Dependence Of The Elongation At Break Of Compomentioning

confidence: 99%

The Effect of Modifying Polybutylene Terephthalate on its Processability and Mechanical Properties

Петрова

Beider

2017

International Polymer Science and Technology

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The effect of a modifying additive – a polybutylenetetramethylene oxide (PBT-PTMO) block copolymer of grade V-1000 – on the processability and mechanical properties of polybutylene terephthalate (PBT) was investigated. It was shown that the mixing of the thermoplastic elastomer – the block copolymer of grade V-1000 – with the rigid, hard, but relatively brittle structural material PBT makes it possible to produce materials with a high level of properties. The modification of PBT with the block copolymer leads to an increase in its impact strength without any perceptible loss in tensile strength. Furthermore, the addition of a small amount of block copolymer to PBT improves its processability. The developed PBT composite with the optimum content of modifying additive and fireproofing agent is recommended for the manufacture of moulded articles of decorative-structural designation, and also for the partial replacement of polyamides PA-12L and PA-610L.

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“…as a minimum they should be self-extinguishing (after exposure to a gas burner flame for 12 s (60 s), the duration of residual burning should not exceed 15 s and the length of burn-through should not exceed 152 mm); they should have limited smoke formation (the specific optical density of smoke within 4 min should be no more than 200 units) [6,7].…”

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confidence: 99%

“…On the surface of the polymer, a foamed glassy layer of polyphosphoric acid of low thermal conductivity is formed, which lowers the amount of heat passing into the polymer. Some forms of phosphoruscontaining fireproofing agent decompose to form gaseous compounds, and in this case the phosphorus ensures the formation of carbon black conglomerates, which lowers the completeness of burning and increases flame luminosity [7][8][9].…”

mentioning

confidence: 99%