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논문 기본 정보

자료유형
학술대회자료
저자정보
Kodolov, V.I. (State Technical University of Izhevsk and Institute of Applied Mechanics of Russian Academy of Sciences) Bystrov, S.G. (State Technical University of Izhevsk and Institute of Applied Mechanics of Russian Academy of Sciences) Mikhailov, V.I. (Institute of Applied Mechanics, Udmurt Scientific Center, Russian Academy of Sciences) Lipanov, A.M. (Institute of Applied Mechanics, Udmurt Scientific Center, Russian Academy of Sciences)
저널정보
한국화재소방학회 한국화재소방학회 심포지움 및 세미나 한국화재소방학회 1997년도 International Symposium on Fire Science and Technology
발행연도
1997.1
수록면
104 - 111 (8page)

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Cluster systems are microcrystals of vanadiumoxided compounds such as Barium, Calcium or Sodium Metavanadates or Sodium Vanadium Bronze which are distributed into dimethyl- or diethylphosphites or microcrystals of vanadium oxides, for instance, vanadium oxide (+3), distributed into the methylphosphonic acid melted. During the interaction of vanadium compounds with the correspondent phosphororganic substances biue viscous liquids are formed. These liquids have paramagnetic properties. According to the UV and IR spectroscopic investigations as well as the results of EPR spectra the substances obtained consist of the nucleus containing 6 to 12 of vanadium atoms and the shell including ligands which are molecules of phosphites or methylphosphonic acid. Here every atom of vanadium interacts with four of phosphorus containing molecules. Sizes of the particles in these systems donot exceed 200 nm. Introduction of cluster systems (0,1 -0,3 % vanadium) into epoxy compositions before the introduction of curing agent - polyethylenepolyamine 6 -8 % leads to the acceleration of composition crosslinking and to the combustion decreasing: 1) Oxygen Index grows to 35: 2)mass losses during combustion decrease to 1-2%, 3) combustion time does not exceed 1 s; 4) the intumescence of material sample is being observed during the burner action as well as the foam coke formation.

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