DE2053899C3 - - Google Patents
Info
- Publication number
- DE2053899C3 DE2053899C3 DE19702053899 DE2053899A DE2053899C3 DE 2053899 C3 DE2053899 C3 DE 2053899C3 DE 19702053899 DE19702053899 DE 19702053899 DE 2053899 A DE2053899 A DE 2053899A DE 2053899 C3 DE2053899 C3 DE 2053899C3
- Authority
- DE
- Germany
- Prior art keywords
- atomic percent
- chromium dioxide
- tellurium
- iron
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- AYTAKQFHWFYBMA-UHFFFAOYSA-N Chromium(IV) oxide Chemical compound O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 claims description 86
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 76
- 239000000843 powder Substances 0.000 claims description 45
- 229940090961 chromium dioxide Drugs 0.000 claims description 43
- 229910052714 tellurium Inorganic materials 0.000 claims description 31
- 229910052742 iron Inorganic materials 0.000 claims description 30
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium Chemical group [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 29
- 230000005291 magnetic Effects 0.000 claims description 21
- 230000005294 ferromagnetic Effects 0.000 claims description 14
- 230000005415 magnetization Effects 0.000 claims description 14
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 13
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- 239000011651 chromium Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- WGLPBDUCMAPZCE-UHFFFAOYSA-N trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052718 tin Inorganic materials 0.000 claims description 11
- 229910000424 chromium(II) oxide Inorganic materials 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 229940117975 chromium trioxide Drugs 0.000 claims description 6
- 125000004429 atoms Chemical group 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000006247 magnetic powder Substances 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony Chemical group [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 3
- 229910052787 antimony Chemical group 0.000 claims 3
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical class [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 claims 2
- 239000003513 alkali Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 229910052803 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- 230000000875 corresponding Effects 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 230000001590 oxidative Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 238000005979 thermal decomposition reaction Methods 0.000 claims 1
- 229910052723 transition metal Inorganic materials 0.000 claims 1
- 150000003624 transition metals Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 19
- XHGGEBRKUWZHEK-UHFFFAOYSA-N telluric acid Chemical compound O[Te](O)(=O)=O XHGGEBRKUWZHEK-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(II) oxide Inorganic materials [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000271571 Dromaius novaehollandiae Species 0.000 description 2
- NCNCGGDMXMBVIA-UHFFFAOYSA-L Iron(II) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 235000014413 iron hydroxide Nutrition 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 150000003498 tellurium compounds Chemical class 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- WVYYHSKIGBEZCQ-UHFFFAOYSA-N [O-2].[O-2].[Cr+3].[Fe+2] Chemical compound [O-2].[O-2].[Cr+3].[Fe+2] WVYYHSKIGBEZCQ-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001419 dependent Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- -1 iron modified chromium dioxide Chemical class 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 229910000460 iron oxide Inorganic materials 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N iron-sulfur Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8629569 | 1969-10-27 | ||
| JP44086295A JPS4912958B1 (cs) | 1969-10-27 | 1969-10-27 | |
| JP8704269 | 1969-10-29 | ||
| JP8704269 | 1969-10-29 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2053899A1 DE2053899A1 (de) | 1972-03-09 |
| DE2053899B2 DE2053899B2 (de) | 1976-02-12 |
| DE2053899C3 true DE2053899C3 (cs) | 1976-09-30 |
Family
ID=26427445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702053899 Granted DE2053899B2 (de) | 1969-10-27 | 1970-10-26 | Mit tellur und eisen modifizierte chromdioxide |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3640871A (cs) |
| DE (1) | DE2053899B2 (cs) |
| FR (1) | FR2066473A5 (cs) |
| GB (1) | GB1318904A (cs) |
| NL (1) | NL7015748A (cs) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954641A (en) * | 1970-09-22 | 1976-05-04 | Matsushita Electric Industrial Co., Ltd. | Process for the preparation of sulfur modified ferromagnetic chromium oxide |
| JPS4918796A (cs) * | 1972-06-05 | 1974-02-19 | ||
| US4018690A (en) * | 1973-04-13 | 1977-04-19 | Eastman Kodak Company | Process for preparing sulfur-containing ferromagnetic chromium oxide |
| DE3263019D1 (en) * | 1981-10-26 | 1985-05-15 | Du Pont | Surface modified ferromagnetic chromium dioxide |
| DE3837646A1 (de) * | 1988-11-05 | 1990-05-10 | Basf Ag | Nadelfoermiges, im wesentlichen aus chromdioxid bestehendes, ferromagnetisches material |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3034988A (en) * | 1958-08-22 | 1962-05-15 | Du Pont | Modified chromium oxide ferromagnetic compositions, their preparation and use |
| US2923684A (en) * | 1957-06-19 | 1960-02-02 | Du Pont | Tin modified ferromagnetic chromium oxide, its preparation and use in recording members |
| US3243260A (en) * | 1961-06-12 | 1966-03-29 | Matsushita Electric Ind Co Ltd | Method for preparing cro2 of rutile type crystalline structure |
| US3423320A (en) * | 1965-12-14 | 1969-01-21 | Du Pont | Preparation of ferromagnetic chromium dioxide |
| DE1771869B1 (de) * | 1967-08-10 | 1972-02-03 | Matsushita Electric Ind Co Ltd | Tellur zinn modifiziertes chromdioxid |
| DE1771867B1 (de) * | 1968-02-23 | 1972-02-03 | Matsushita Electric Ind Co Ltd | Tellur calcium modifiziertes chromdioxid |
-
1970
- 1970-10-22 US US83167A patent/US3640871A/en not_active Expired - Lifetime
- 1970-10-23 FR FR7038388A patent/FR2066473A5/fr not_active Expired
- 1970-10-26 DE DE19702053899 patent/DE2053899B2/de active Granted
- 1970-10-27 NL NL7015748A patent/NL7015748A/xx unknown
- 1970-10-27 GB GB5096970A patent/GB1318904A/en not_active Expired
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