发明名称 |
Method for producing an alpha - alumina powder |
摘要 |
A method for producing an alpha-alumina powder is provided. The method for producing an alpha-alumina powder comprises steps of (1) preparing a mixture of an aluminum hydrolysate, a seed crystal and water; (2) removing the water from the mixture; and (3) calcining the resultant, wherein the aluminum hydrolysate in the step (1) is produced by hydrolyzing an aqueous aluminum chloride solution under conditions of a pH of 5 or less and a temperature of 60° C. or less.
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申请公布号 |
US2005276745(A1) |
申请公布日期 |
2005.12.15 |
申请号 |
US20050148602 |
申请日期 |
2005.06.09 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
MAKI HAJIME;TAKEUCHI YOSHIAKI |
分类号 |
C01F7/02;C01F7/22;C01F7/34;C01F7/44;(IPC1-7):C01F7/02 |
主分类号 |
C01F7/02 |
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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