Способ получения пористого корунда (α-Al2O3)
Patents
Language: |
Русский |
Type: |
Certificate of authorship |
Number |
SU 353522 A1 |
Request number: |
1398155/23-26 |
Request date: |
Jan 15, 1970 |
patent.field.start_date: |
|
Registration date: |
Jun 14, 1975 |
patent.field.request_publication_date: |
|
Authors |
Куклина В.Н.
,
Левицкий Э.А.
|
Affiliations |
1 |
Boreskov Institute of Catalysis SB RAS
|
|
For increased quality, the title corundum is obtained by a 2-stage heat treatment of active Al2O3; 1st at 700-900° in the presence of a F compd. and then at 1100-1400°.