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公开(公告)号:WO2022072711A8
公开(公告)日:2022-04-07
申请号:PCT/US2021/052989
申请日:2021-09-30
IPC分类号: C04B35/505 , C04B35/645 , H01J37/32 , H01L21/687 , C04B38/00 , C04B2235/3418 , C04B2235/5409 , C04B2235/5436 , C04B2235/5463 , C04B2235/662 , C04B2235/666 , C04B2235/72 , C04B2235/77 , C04B2235/785 , C04B2235/786 , C04B2235/85 , C04B2235/95 , C04B2235/96 , C04B2235/963 , C04B38/0054 , H01J37/32467 , H01J37/32495
摘要: Disclosed herein is a sintered yttrium oxide body having a total impurity level of 40 ppm or less, a density of not less than 4.93 g/cm3, wherein the sintered yttrium oxide body has at least one grain boundary comprising silica in an amount of not less than 1 to not greater than 10 atoms/nm2 wherein the sintered yttrium oxide body has at least one surface comprising at least one pore, wherein no pore is larger than 5 μm in diameter. A process for making the sintered yttrium oxide body is also disclosed.
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公开(公告)号:WO2021116410A2
公开(公告)日:2021-06-17
申请号:PCT/EP2020/085768
申请日:2020-12-11
IPC分类号: C04B35/111 , C04B38/00 , B01D46/24 , B01J35/04 , B01J37/03 , C04B35/185 , C04B35/46 , C04B35/486 , C04B35/565 , C04B35/58 , C04B35/626 , C04B35/632 , C04B35/634 , B01J23/00 , B01J23/08 , B01J23/10 , B01J23/14 , B01J23/16 , C04B35/638 , B01J37/0217 , C04B2111/00793 , C04B2111/00801 , C04B2111/0081 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3232 , C04B2235/3244 , C04B2235/3286 , C04B2235/3287 , C04B2235/3294 , C04B2235/3418 , C04B2235/5445 , C04B2235/5454 , C04B2235/6021 , C04B2235/6022 , C04B2235/6026 , C04B2235/6027 , C04B2235/616 , C04B2235/6583 , C04B35/6263 , C04B35/6264 , C04B35/63416 , C04B38/0006 , C04B38/0032 , C04B38/0054 , C04B38/0064
摘要: Herein is disclosed a method of producing a ceramic support suitable for a catalyst, the method comprising providing a porous ceramic structure, comprising a body portion with a monomodal macropore structure, wherein the macropores comprises a first mean pore size; washcoating the porous ceramic structure using a suspension comprising oxide and/or hydroxide nanoparticles and drying and calcinating the washcoated porous ceramic structure at a temperature below the melting point of the nanoparticles. In addition, the ceramic support and its structure is disclosed.
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公开(公告)号:WO2022072711A1
公开(公告)日:2022-04-07
申请号:PCT/US2021/052989
申请日:2021-09-30
IPC分类号: C04B35/505 , C04B35/645 , H01J37/32 , H01L21/687 , C04B38/00 , C04B2235/3418 , C04B2235/5409 , C04B2235/5436 , C04B2235/5463 , C04B2235/662 , C04B2235/666 , C04B2235/72 , C04B2235/77 , C04B2235/785 , C04B2235/786 , C04B2235/85 , C04B2235/95 , C04B2235/96 , C04B2235/963 , C04B38/0054 , H01J37/32467 , H01J37/32495
摘要: Disclosed herein is a sintered yttrium oxide body having a total impurity level of 40 ppm or less, a density of not less than 4.93 g/cm3, wherein the sintered yttrium oxide body has at least one grain boundary comprising silica in an amount of not less than 1 to not greater than 10 atoms/nm2 wherein the sintered yttrium oxide body has at least one surface comprising at least one pore, wherein no pore is larger than 5 μm in diameter. A process for making the sintered yttrium oxide body is also disclosed.
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公开(公告)号:WO2021141676A2
公开(公告)日:2021-07-15
申请号:PCT/US2020/060918
申请日:2020-11-17
IPC分类号: C04B35/44 , C04B35/626 , C04B35/645 , C04B38/00 , H01J37/32 , C04B2235/3217 , C04B2235/3222 , C04B2235/3225 , C04B2235/3244 , C04B2235/5409 , C04B2235/5436 , C04B2235/5445 , C04B2235/5463 , C04B2235/6562 , C04B2235/6565 , C04B2235/6567 , C04B2235/6581 , C04B2235/662 , C04B2235/666 , C04B2235/72 , C04B2235/728 , C04B2235/764 , C04B2235/77 , C04B2235/775 , C04B2235/782 , C04B2235/785 , C04B2235/786 , C04B2235/80 , C04B2235/95 , C04B2235/96 , C04B2235/9607 , C04B2235/963 , C04B35/6261 , C04B35/6263 , C04B35/62675 , C04B38/0054 , H01J37/32467 , H01J37/32495
摘要: Disclosed herein is a sintered ceramic body comprising from 90% to 99.9% by volume of polycrystalline yttrium aluminum garnet (YAG) as measured using XRD and image processing methods and a volumetric porosity of from 0.1 to 4% as calculated from density measurements performed in accordance with ASTM B962-17. The sintered ceramic body may have a total purity of 99.99% and greater and a grain size of from 0.3 to 8 µm. A method of making the sintered ceramic body is also disclosed.
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