JPH0377643B2 - - Google Patents

Info

Publication number

JPH0377643B2

JPH0377643B2 JP59162156A JP16215684A JPH0377643B2 JP H0377643 B2 JPH0377643 B2 JP H0377643B2 JP 59162156 A JP59162156 A JP 59162156A JP 16215684 A JP16215684 A JP 16215684A JP H0377643 B2 JPH0377643 B2 JP H0377643B2

Authority

JP

Japan

Prior art keywords

particles

plate

ferrite

2bao

ferric oxide

Prior art date

1984-07-31

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 - Lifetime

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• 239000002245 particle Substances 0.000 claims description 67
• 229910000859 α-Fe Inorganic materials 0.000 claims description 29
• 230000005291 magnetic effect Effects 0.000 claims description 19
• 229910001422 barium ion Inorganic materials 0.000 claims description 16
• 239000000843 powder Substances 0.000 claims description 14
• UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 11
• 239000002244 precipitate Substances 0.000 claims description 11
• 238000010335 hydrothermal treatment Methods 0.000 claims description 10
• 150000001875 compounds Chemical class 0.000 claims description 8
• LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 claims description 8
• 229910021645 metal ion Inorganic materials 0.000 claims description 8
• NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 8
• 238000004519 manufacturing process Methods 0.000 claims description 7
• 239000000725 suspension Substances 0.000 claims description 7
• 239000010419 fine particle Substances 0.000 claims description 5
• 150000003839 salts Chemical class 0.000 claims description 5
• 150000002500 ions Chemical group 0.000 claims description 4
• XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 30
• 238000000034 method Methods 0.000 description 13
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
• 238000006243 chemical reaction Methods 0.000 description 12
• 230000005294 ferromagnetic effect Effects 0.000 description 11
• 239000002994 raw material Substances 0.000 description 8
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
• 238000000635 electron micrograph Methods 0.000 description 6
• 239000000696 magnetic material Substances 0.000 description 6
• 238000002441 X-ray diffraction Methods 0.000 description 5
• 230000000052 comparative effect Effects 0.000 description 4
• AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 4
• 238000001816 cooling Methods 0.000 description 3
• 239000013078 crystal Substances 0.000 description 3
• 229910052598 goethite Inorganic materials 0.000 description 3
• MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 3
• 230000005415 magnetization Effects 0.000 description 3
• 229910002588 FeOOH Inorganic materials 0.000 description 2
• RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 2
• 229910001863 barium hydroxide Inorganic materials 0.000 description 2
• IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
• 239000011362 coarse particle Substances 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000005755 formation reaction Methods 0.000 description 2
• FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 2
• 238000010907 mechanical stirring Methods 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 2
• 239000000243 solution Substances 0.000 description 2
• 229910006540 α-FeOOH Inorganic materials 0.000 description 2
• 229910006299 γ-FeOOH Inorganic materials 0.000 description 2
• 239000007864 aqueous solution Substances 0.000 description 1
• 229910052788 barium Inorganic materials 0.000 description 1
• WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
• 229910001626 barium chloride Inorganic materials 0.000 description 1
• 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
• 238000009826 distribution Methods 0.000 description 1
• 238000001493 electron microscopy Methods 0.000 description 1
• 230000005307 ferromagnetism Effects 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 229910052595 hematite Inorganic materials 0.000 description 1
• 239000011019 hematite Substances 0.000 description 1
• LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
• 229910021519 iron(III) oxide-hydroxide Inorganic materials 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 239000003973 paint Substances 0.000 description 1
• 238000005245 sintering Methods 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 239000011232 storage material Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 229910052725 zinc Inorganic materials 0.000 description 1
• 229910003153 β-FeOOH Inorganic materials 0.000 description 1