HEAT-RESISTANT alloyed and unalloyed porous alumina and nanocomposites containing a mixture of oxides CeO2-ZrO2 and Al2O3

摘要

1. adopted and u043du0435u043bu0435u0433u0438u0440u043eu0432u0430u043du043du044bu0439 u0430u043bu044eu043cu0438u043du0438u00a0 oxide with after u043fu0440u043eu043au0430u043bu043au0438 temperature 1200u0441 within 5 to 24 h of then 0.5 ml / g and the surface area of bg-bet exceeding 30 m2 / mr., u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, u0430u043bu044eu043cu0438u043du0438u00a0 oxide u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a u043du0430u043du043eu043au043eu043cu043fu043eu0437u0438u0442u043du044bu0439 material containing oxide matrix u0430u043bu044eu043cu0438u043du0438u00a0, which included u0430u0433u043bu043eu043cu0435u0440u0438u0440u043eu0432u0430u043du043du044bu0435 hour u0442u0438u0446u044b in more than one u043au0440u0438u0441u0442u0430u043bu043bu043eu0433u0440u0430u0444u0438u0447u0435u0441u043au043eu0439 phase.;2. u0430u043bu044eu043cu0438u043du0438u00a0 oxide to 1 with the surface area of bg-bet exceeds 50 m2 / g.;3. u0430u043bu044eu043cu0438u043du0438u00a0 oxide on 2, whose surface area bg-bet exceeds 60 m2 / g.;4. u0430u043bu044eu043cu0438u043du0438u00a0 oxide to 1 with the average particle size of 2 to 400 nm.;5. u0430u043bu044eu043cu0438u043du0438u00a0 oxide on 1 related gs / gs30 20% with the relative u043fu043bu043eu0442u043du043eu0441u0442u00a0u0445 80 98%.;6. u0430u043bu044eu043cu0438u043du0438u00a0 oxide for 1, including the u0441u0435u0431u00a0 nanoscale adopted or u043du0435u043bu0435u0433u0438u0440u043eu0432u0430u043du043du044bu0439 CeO2 - zro2 mixed oxide and nanoscale adopted or u043du0435u043bu0435u0433u0438u0440u043eu0432u0430u043du043du044bu0439 oxy dr. u0430u043bu044eu043cu0438u043du0438u00a0, in which, after u043fu0440u043eu043au0430u043bu043au0438 1100u0441 for 5 hours at the temperature of more than 50% of particles of oxide u0446u0435u0440u0438u00a0 - u0446u0438u0440u043au043eu043du0438u00a0 has a size of less than 30 nm and more than 50% of the particles of the alu u043cu0438u043du0438u00a0 phase has a size of 15 nm.;7. u0430u043bu044eu043cu0438u043du0438u00a0 oxide to 1 with the following u043fu0440u043eu043au0430u043bu043au0438 temperature 1200u0441 for 5 h, the surface area of bg-bet exceeding 50 m2 / g.;8. u0430u043bu044eu043cu0438u043du0438u00a0 oxide on p.7, whose surface area bg-bet exceeds 70 m2 / g.;9. u0430u043bu044eu043cu0438u043du0438u00a0 oxide on 1, in which u043bu0435u0433u0438u0440u043eu0432u0430u043d u0430u043bu044eu043cu0438u043du0438u00a0 oxide of at least one element selected from the u0440u00a0u0434u0430 u0431u0430u0440u0438u00a0, lanthanum or u0440u0435u0434u043au043eu0437u0435u043cu0435u043bu044cu043du043eu0433u043e element.;10. u0430u043bu044eu043cu0438u043du0438u00a0 oxide on 1, in which, after u043fu0440u043eu043au0430u043bu043au0438 material at a temperature 1200u0441 for not less than 5 h - Al2u043e3 not possible to detect u0440u0435u043du0442u0433u0435u043du043eu0433u0440u0430u0444u0438u0447u0435u0441u043au0438u043cu0438 methods.;11. u0430u043bu044eu043cu0438u043du0438u00a0 oxide to 1, which after firing at a temperature 1100u0441 for 5 h, the surface area of bg-bet exceeding 75 m2 / g.;12. u0430u043bu044eu043cu0438u043du0438u00a0 oxide on p.11, whose surface area bg-bet exceeds 100 m2 / g.;13.the oxide u0430u043bu044eu043cu0438u043du0438u00a0 on any of the previous paragraphs, including u0441u0435u0431u00a0 nanoscale adopted or u043du0435u043bu0435u0433u0438u0440u043eu0432u0430u043du043du044bu0439 CeO2 - zro2 mixed oxide and nanoscale u043bu0435u0433u0438u0440u043eu0432u0430u043du043d one or u043du0435u043bu0435u0433u0438u0440u043eu0432u0430u043du043du044bu0439 u0430u043bu044eu043cu0438u043du0438u00a0 oxide, with the characteristics of the osc, with u0441u043du0438u0436u0430u044eu0442u0441u00a0 pulsations measured method, less than 20% after u0441u0442u0430u0440u0435u043du0438u00a0 with u0441u0435u0431u00a0 u043eu043au0438u0441u043b u0438u0442u0435u043bu044cu043du043e rehabilitation cyclea temperature u043fu0440u043eu0433u0440u0430u043cu043cu0438u0440u0443u0435u043cu043eu0435 restoration of tpr, and structures in the temperature 427u0441 or 1000u0441.;14. method u043fu043eu043bu0443u0447u0435u043du0438u00a0 u0442u0435u0440u043cu043eu0441u0442u043eu0439u043au043eu0433u043e transition oxide u0430u043bu044eu043cu0438u043du0438u00a0 on any of the previous points, comprising the following steps: u0441u0435u0431u00a0;(a) an aqueous solution of salt u0430u043bu044eu043cu0438u043du0438u00a0 u043du0435u043eu0431u00a0u0437u0430u0442u0435u043bu044cu043du043e with additives.;(b) the aqueous solution of hydrogen peroxide.;(c) the deposition of u0430u043bu044eu043cu0438u043du0438u00a0 using u043eu0441u043du043eu0432u0430u043du0438u00a0 and;(d) u0444u0438u043bu044cu0442u0440u0430u0446u0438u00a0, drying and u043fu0440u043eu043au0430u043bu043au0430 temperature and for a time sufficient u0434u043bu00a0 u043fu043eu043bu0443u0447u0435u043du0438u00a0 u043bu0435u0433u0438u0440u043eu0432u0430u043du043du043eu0433u043e or u043du0435u043bu0435u0433u0438u0440u043eu0432u0430u043du043du043eu0433u043e oxide u0430u043bu044eu043cu0438u043du0438u00a0 with after p u0440u043eu043au0430u043bu043au0438 temperature 1200u0441 within 5 to 24 h of then 0.5 ml / g and the surface area of bg-bet exceeding 30 m2 / g, with a u0430u043bu044eu043cu0438u043du0438u00a0 oxide u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 u043du0430u043du043eu043au043eu043cu043fu043eu0437u0438u0442u043du044bu0439 m u0430u0442u0435u0440u0438u0430u043b containing oxide u0430u043bu044eu043cu0438u043du0438u00a0,in the matrix u0430u0433u043bu043eu043cu0435u0440u0438u0440u043eu0432u0430u043du043du044bu0435 particles which are included in more than one u043au0440u0438u0441u0442u0430u043bu043bu043eu0433u0440u0430u0444u0438u0447u0435u0441u043au043eu0439 phase.;15. a way to question 14, in which the salt of u0430u043bu044eu043cu0438u043du0438u00a0 u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 a u0430u043bu044eu043cu0438u043du0438u00a0 nitrate.;16. a way to question 14, in which the u00a0u0432u043bu00a0u0435u0442u0441u00a0 ammonia hydroxide u043du0430u0442u0440u0438u00a0 or hydroxide u043au0430u043bu0438u00a0.;17. a way to question 14, in which the deposition of a deposition u00a0u0432u043bu00a0u0435u0442u0441u00a0.;18. a way to question 14, which includes u0441u0435u0431u00a0 stage washing u0430u043bu044eu043cu0438u043du0438u00a0 oxide alcohol and filtering between u0441u0442u0430u0434u0438u00a0u043cu0438 (c) and (d).;19. way on p.18, in which alcohol u043fu0440u0435u0434u0441u0442u0430u0432u043bu00a0u0435u0442 an isopropyl alcohol.;20. a way to question 14, which includes u0441u0435u0431u00a0 stage hydrothermal processing between u0441u0442u0430u0434u0438u00a0u043cu0438 c and d, but after u043du0435u043eu0431u00a0u0437u0430u0442u0435u043bu044cu043du043eu0439 stage of washing with alcohol.;21. method for processing u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 p.20, which u0433u0438u0434u0440u043eu0442u0435u0440u043cu0430u043bu044cu043du0443u044e within 4 to 24 hours.;22. way on p.20, in which stage of hydrothermal processing u043fu0440u043eu0432u043eu0434u00a0u0442 using water, isopropyl alcohol or acetone.;23. the way in which oxide on p.20, u0430u043bu044eu043cu0438u043du0438u00a0 washed acetone after the stage of hydrothermal processing.;24. a way to question 14, in which the oxide u0430u043bu044eu043cu0438u043du0438u00a0 dried at a temperature of 120 to 180u0441.;25. a way to question 14, in which u043fu0440u043eu043au0430u043bu0438u0432u0430u044eu0442 u0430u043bu044eu043cu0438u043du0438u00a0 oxide at a temperature of 500 to 700u0441.;26. a way to question 14, in which the oxide u0430u043bu044eu043cu0438u043du0438u00a0 u043bu0435u0433u0438u0440u0443u044eu0442 u0441u0435u043e2.;27. way on any of the u043fu043f.14 - 26, in which the oxide u0430u043bu044eu043cu0438u043du0438u00a0 u043bu0435u0433u0438u0440u0443u044eu0442 oxide of one or more rare earth metals, alkaline metals, u0449u0435u043bu043eu0447u043du043eu0437u0435u043cu0435u043bu044cu043du044bu0445 metals Zr or si.