RU2008127341A - Химически связанный керамический радиационно-защитный материал и способ его подготовки - Google Patents
Химически связанный керамический радиационно-защитный материал и способ его подготовки Download PDFInfo
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Abstract
1. Состав вещества, содержащий химически связанную керамическую матрицу на основе оксида-фосфата и радиационно-защитный материал, в котором радиационно-защитный материал диспергирован в матрице химически связанного керамического цемента на основе оксида-фосфата, и радиационно-защитный материал выбран из группы, состоящей из барита, оксида бария, сульфата бария, оксида церия, оксида вольфрама, оксида гадолиния, оксида обедненного урана, отожженного свинцового стекла в виде порошка и волокон с содержанием свинца от 40 до 75%, цеолитов, клиноптилолитов и целестинов. ! 2. Состав вещества по п.1, в котором цеолит содержит следующие вещества в весовом процентном соотношении 52,4% SiO2, 13,13% Al2O3, 8,94% Fe2O3, 6,81% CaO, 2,64% Na2O, 4,26% MgO и 0,10% MnO. ! 3. Состав вещества по п.1, в котором весовое содержание барита приблизительно составляет от 89 до 99% BaSO4 и от 1 до 5,8% силикатов, и в котором весовой процентный состав цеолита, который будет присутствовать в составе вещества по п.2, составляет от 0,2 до 50%. ! 4. Состав вещества по п.1, в котором керамическая матрица на основе фосфата выбрана из группы, состоящей из KH2PO4 (дигидрофосфата калия), MgHPO4 (гидрофосфата), Fe3(HPO4)2 (фосфата железа(II)), Fe3(HPO4)2·8H2O (октагидрата фосфата железа(II)), FeHPO4 (фосфата железа(III)), FeHPO4·2H2O (дигидрата фосфата железа(III)) AlPO4 (фосфата алюминия), AlPO4·1,5H2O (гидрата фосфата алюминия), CaHPO4 (гидрофосфата кальция), CaHPO4·2H2O (дигидрата гидрофосфата кальция), BiPO4 (фосфата висмута), CePO4 (фосфата церия(III)), CePO4·2H2O (дигидрата фосфата церия(III)), GdPO4·1H2O (фосфата гадолиния), BaHPO4 (гидрофосфата бария) и UPO4 (фосфата обедненного урана (U-238)). ! 5. Состав вещества по п.1, в котором керамическая матрица на основе оксида-фосфата представляет с
Claims (21)
1. Состав вещества, содержащий химически связанную керамическую матрицу на основе оксида-фосфата и радиационно-защитный материал, в котором радиационно-защитный материал диспергирован в матрице химически связанного керамического цемента на основе оксида-фосфата, и радиационно-защитный материал выбран из группы, состоящей из барита, оксида бария, сульфата бария, оксида церия, оксида вольфрама, оксида гадолиния, оксида обедненного урана, отожженного свинцового стекла в виде порошка и волокон с содержанием свинца от 40 до 75%, цеолитов, клиноптилолитов и целестинов.
2. Состав вещества по п.1, в котором цеолит содержит следующие вещества в весовом процентном соотношении 52,4% SiO2, 13,13% Al2O3, 8,94% Fe2O3, 6,81% CaO, 2,64% Na2O, 4,26% MgO и 0,10% MnO.
3. Состав вещества по п.1, в котором весовое содержание барита приблизительно составляет от 89 до 99% BaSO4 и от 1 до 5,8% силикатов, и в котором весовой процентный состав цеолита, который будет присутствовать в составе вещества по п.2, составляет от 0,2 до 50%.
4. Состав вещества по п.1, в котором керамическая матрица на основе фосфата выбрана из группы, состоящей из KH2PO4 (дигидрофосфата калия), MgHPO4 (гидрофосфата), Fe3(HPO4)2 (фосфата железа(II)), Fe3(HPO4)2·8H2O (октагидрата фосфата железа(II)), FeHPO4 (фосфата железа(III)), FeHPO4·2H2O (дигидрата фосфата железа(III)) AlPO4 (фосфата алюминия), AlPO4·1,5H2O (гидрата фосфата алюминия), CaHPO4 (гидрофосфата кальция), CaHPO4·2H2O (дигидрата гидрофосфата кальция), BiPO4 (фосфата висмута), CePO4 (фосфата церия(III)), CePO4·2H2O (дигидрата фосфата церия(III)), GdPO4·1H2O (фосфата гадолиния), BaHPO4 (гидрофосфата бария) и UPO4 (фосфата обедненного урана (U-238)).
5. Состав вещества по п.1, в котором керамическая матрица на основе оксида-фосфата представляет собой MgHPO4·3H2O (тригидрат гидрофосфата магния).
6. Состав вещества по п.1, в котором радиационно-защитный материал сформирован в виде, по меньшей мере, одного или нескольких из агрегатов или порошков, диспергированных в керамике на основе оксида-фосфата.
7. Состав вещества по п.1, в котором керамическая матрица на основе оксида-фосфата включает в себя фосфаты, по меньшей мере, двух разных металлов.
8. Состав вещества по п.7, в котором фосфаты, по меньшей мере, двух разных металлов выбраны из группы, состоящей из гидрофосфата магния, фосфата железа(III), фосфата алюминия, гидрофосфата кальция, фосфата висмута, фосфата церия(III), фосфата гадолиния и гидрофосфата бария.
9. Состав вещества по п.1, в котором керамическая матрица на основе оксида-фосфата имеет формулу
МНРО 4·хН
2
О,
где M представляет двухвалентный катион, выбранный из группы, состоящей из
Mg (магния), Ca (кальция), Fe (железа(II)) и Ba (бария), и где x принимает, по меньшей мере, одно значение из 0 (нуля), 2 (двух), 3 (трех) или 8 (восьми).
10. Состав вещества по п.1, в котором керамическая матрица на основе оксида-фосфата имеет формулу
МРО
4
·хН
2
О,
где M представляет трехвалентный катион, выбранный из группы, состоящей из
Al (алюминия), Ce (церия(III)), U238 (обедненного урана) и Fe (железа(III)),
и где x принимает, по меньшей мере, одно значение из 0 (нуля), 1,5 (полутора) или 2 (двух).
11. Состав вещества по п.1, в котором керамическая матрица на основе оксида-фосфата имеет формулу
ММ'PO
4
·xH
2
O,
где M представляет двухвалентный катион, выбранный из группы, состоящей из Ba (бария) и Mg (магния), где M (представляет одновалентный катион, выбранный из группы, состоящей из Li (лития), Na (натрия) и K (калия), и где x принимает, по меньшей мере, одно значение из 0 (нуля), 2 (двух), 3 (трех) или 6 (шести).
12. Состав по п.1, содержащий, по меньшей мере, два радиационно-защитных материала для формирования многослойной структуры.
13. Радиационно-защитный состав вещества, содержащий химически связанную керамическую матрицу на основе оксида-фосфата, имеющую катионную составляющую, демонстрирующую способность к радиационной защите, и радиационно-защитный материал, выбранный из группы, состоящей из порошка, агрегата и волокна, в котором радиационно-защитный материал диспергирован в химически связанной керамической матрице на основе оксида-фосфата.
14. Радиационно-защитный состав вещества по п.13, в котором химически связанная керамика на основе оксида-фосфата отверждается до твердости при температуре менее 100°C (ста градусов Цельсия).
15. Радиационно-защитный состав вещества по п.13, в котором катион выбран из группы, состоящей из алюминия, бария, висмута, церия, вольфрама, гадолиния и обедненного урана.
16. Радиационно-защитный состав вещества по п.13, в котором радиационно-защитный материал выбран из группы, состоящей из барита, сульфата бария, металлического висмута, оксида церия, оксида гадолиния, оксида вольфрама и цеолитов.
17. Состав вещества, состоящий, по существу, из химически связанной керамической матрицы на основе оксида-фосфата, имеющей катионную составляющую, демонстрирующую способность к радиационной защите, и радиационно-защитный материал, диспергированный в химически связанной керамической матрице на основе оксида-фосфата, в котором катионная составляющая выбрана из группы, состоящей из алюминия, бария, висмута, церия, гадолиния, вольфрама и обедненного урана.
18. Состав вещества по п.17, в котором радиационно-защитный материал выбран из группы, состоящей из барита, сульфата бария, оксидов и соединений металлического висмута, оксида и соединений церия, цеолита, клиноптилолита, плагиоклаза, пироксена, оливина, целестина, оксидов и соединений гадолиния и оксидов и соединений вольфрама и порошкообразного или волокнистого отожженного свинцового стекла с содержанием свинца (Pb) от 40 до 75%.
19. Способ формирования радиационно-защитного элемента при температуре окружающей среды, содержащий этапы, на которых смешивают оксид металла, имеющий способность к радиационной защите, с фосфатосодержащим материалом, внедряют радиационно-защитный материал в смесь оксида металла и фосфатосодержащего материала, отверждают внедренный радиационно-защитный материал и смесь оксида металла и фосфатосодержащего материала при температуре окружающей среды.
20. Способ формирования радиационно-защитного элемента при температурных условиях по п.19, в котором отверждение происходит при температуре менее 100°C (ста градусов Цельсия).
21. Способ формирования радиационно-защитного элемента при температуре окружающей среды по п.19, в котором фосфатосодержащий материал является фосфорной кислотой.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116161945A (zh) * | 2022-12-23 | 2023-05-26 | 河北领标科技发展有限公司 | 一种防核辐射陶瓷大板及其制备方法与应用 |
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