| 发明名称 |
Monoclinic zirconium dioxide having a large surface area |
| 摘要 |
Zirconium dioxide which is monoclinic to at least 80% by weight and has a BET surface area of at least 100 m2/g is prepared by admixing aqueous zirconium salt solutions with ammonia, drying and calcining the precipitation product, aging the precipitation product, prior to drying, in aqueous phase at from 0 to 300 DEG C. and carrying out the calcination at from 200 to 600 DEG C.
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| 申请公布号 |
US6034029(A) |
申请公布日期 |
2000.03.07 |
| 申请号 |
US19970992569 |
申请日期 |
1997.12.17 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
WULFF-DOERING, JOACHIM;STICHERT, WOLFRAM;SCHUETH, FERDI |
| 分类号 |
B01J21/06;B01J23/10;B01J35/00;B01J35/10;B01J37/03;C01G25/00;C01G25/02;(IPC1-7):B01J23/00;B01J21/08;C01B17/96 |
主分类号 |
B01J21/06 |
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