Regulation of the Structure of Coked Foams by Incorporation of Metal-Containing Carbon Nanostructures in Swellable Fireproofing Coatings

Shuklin, S. G.; Didik, A. A.; Bystrov, S. G.; Кузнецов, А. А.; Kodolov, V. I.

doi:10.1023/b:fich.0000037983.94968.f1

Fibre Chemistry

2004

DOI: 10.1023/b:fich.0000037983.94968.f1

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Regulation of the Structure of Coked Foams by Incorporation of Metal-Containing Carbon Nanostructures in Swellable Fireproofing Coatings

S. G. Shuklin

A. A. Didik

S. G. Bystrov

et al.

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2006

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“…Increasing the temperature should increase the rate of this process, accompanied by an increase in the thermal conductivity of the surface. In comparison to the results obtained, addition of nickel-containing tubulenes at a 10:1 ratio of APP and Ni-T increased the carbon-carbon and carbon-metal groups by three times [5].…”

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“…In heating the sample to the temperature of the onset of pyrolysis (260°C), emergence of phosphorus-containing substances on the surface of the sample was observed (polyphosphoric acid ammonium salts were formed). We note that the temperature of the onset of decomposition of APP is 190°C [5]. Judging by the fact that the nitrogen line with E b N1s of 402.1 eV persists in the spectra up to 300°C, decomposition has a more complex character.…”

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Multilayer flame-and heat-shielding coatings containing metal-containing carbon nanostructures

Shuklin

2006

Fibre Chem

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The advantage of bilayer flame-and heat-shielding coatings over traditional flame-resistant coatings was confirmed. A carbonized layer on the surface of fibreglass-reinforced and organoplastics based on epoxy binder previously modified with phosphorus-containing flame-retardant systems was created with thermal shocks. Active coatings of the swelling type with and without metal-containing nanostructures were used and investigated for resistance of the carbonized layer formed to external effects.The possibility of formation of a carbonized layer on the surface of articles made from fibreglass-reinforced and organoplastics by successive thermal shocks was established previously in [1]. This layer, based on epoxy binder, was first modified with phosphorusvanadium-containing flame retardant systems (FRS). However, any action on a polymeric material or article with formation of a carbonized layer on its surface will cause the appearance of surface microcracks and pores. Active coatings that fill cracks and pores in the defective layer and swell under the effect of a flame with formation of bilayer material are used to increase the resistance of the surface to external effects.Seven samples of the following composition (three organoplastics and four fibreglass-reinforced plastics were selected for the study:A: organoplastic, an epoxy polymer 30% filled with LTT ribbon with respect to the weight (TU 17 RSFSR 383686) containing ED-20 epoxy resin and polyethylenepolyamine (PEPA) in the ratio of 10:1, and P-V FRS (up to 4% of the weight of the binder) at a phosphorus and barium metavanadate ratio of 4:1; B: organoplastic that differs from the preceding composition of the swollen coating and is a mixture of 80% BF-88SA adhesive and 20% ammonium polyphosphate (APP); C: organoplastic that differs from the first because it contains up to 50% VPT-4 fabric filler (GOST 18654-80); D: fibreglass-reinforced plastic, an epoxy polymer 70% filled with T15P76 fibreglass fabric and containing ED-20 epoxy resin and PEPA taken in the ratio of 10:1, and P-V FRS (up to 4% of the weight of the binder) at a phosphorus and barium metavanadate ratio of 4:1; E: fibreglass plastic containing 70% TSZh-07 fibreglass fabric (OST 5104-12-80) and 30% binder with FRS similar in composition to the preceding material;F: fibreglass plastic based on 70% T15P76 fibreglass fabric and epoxy polymer of the composition indicated above; G: fibreglass plastic similar to the preceding one, which only differs due to heat treatment. The bilayer fireproof and heat-shielding material was fabricated by first preparing the surface of the fibreglass plastic by thermal shocks with power of 50 W/cm 2 for 30 sec, repeated 6 times (heat-shield layer). A protective swelling coating (heat-insulating layer) was applied on the prepared surface.Samples A, B, and C were cured and treated with heat flows with power of 38-40 W/cm 2 , then the composition containing 30% APP, 10% ZZhP phenol-rubber mixture, and 30% melamine-formaldehyde resin in solution of a mixture of naphtha and eth...

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Multilayer flame-and heat-shielding coatings containing metal-containing carbon nanostructures

Shuklin

2006

Fibre Chem

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Regulation of the Structure of Coked Foams by Incorporation of Metal-Containing Carbon Nanostructures in Swellable Fireproofing Coatings

Cited by 1 publication

References 6 publications

Multilayer flame-and heat-shielding coatings containing metal-containing carbon nanostructures

Multilayer flame-and heat-shielding coatings containing metal-containing carbon nanostructures

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