发明名称 |
METALLIC OXIDES METALLIC OXIDES |
摘要 |
METALLIC OXIDES A process for coating particulate zirconia for use in ceramics is claimed. The particulate zirconia is coated with a hydrous oxide of a stabilising metal such as yttrium, an alkaline earth metal or a rare earth metal by hydrolysis of a salt of the metal. An initial dispersion of the zirconia is prepared at a pH above 7.5 and, preferably, in the presence of an organic dispersing agent. The coated zirconia produced according to the process has been shown to form ceramic bodies with a higher strength than those prepared from particulate zirconia coated by prior known processes.
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申请公布号 |
CA2079973(A1) |
申请公布日期 |
1993.05.03 |
申请号 |
CA19922079973 |
申请日期 |
1992.10.06 |
申请人 |
TIOXIDE GROUP SERVICES LIMITED |
发明人 |
DRANSFIELD, GRAHAM P.;KING, DENIS J. |
分类号 |
C01G25/00;C04B35/48;C04B41/45;C04B41/52;C04B41/81;C04B41/89;(IPC1-7):C04B35/48 |
主分类号 |
C01G25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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