JPH02146059A - Blue type magnetic powder and manufacture of the same - Google Patents
Blue type magnetic powder and manufacture of the sameInfo
- Publication number
- JPH02146059A JPH02146059A JP63290982A JP29098288A JPH02146059A JP H02146059 A JPH02146059 A JP H02146059A JP 63290982 A JP63290982 A JP 63290982A JP 29098288 A JP29098288 A JP 29098288A JP H02146059 A JPH02146059 A JP H02146059A
- Authority
- JP
- Japan
- Prior art keywords
- oxide
- blue
- magnetic
- magnetic powder
- spinel
- 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.)
- Granted
Links
- 239000006247 magnetic powder Substances 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000011029 spinel Substances 0.000 claims abstract description 48
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 48
- 239000000203 mixture Substances 0.000 claims abstract description 33
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims description 37
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 26
- 229910052749 magnesium Inorganic materials 0.000 claims description 16
- 230000001590 oxidative effect Effects 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 150000002736 metal compounds Chemical class 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- 238000005245 sintering Methods 0.000 abstract description 7
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- 230000001747 exhibiting effect Effects 0.000 abstract description 2
- 230000014509 gene expression Effects 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 238000010304 firing Methods 0.000 description 17
- 239000011777 magnesium Substances 0.000 description 17
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 239000002245 particle Substances 0.000 description 13
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical class [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 10
- 239000002994 raw material Substances 0.000 description 10
- 239000011701 zinc Substances 0.000 description 10
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 9
- 239000001095 magnesium carbonate Substances 0.000 description 9
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 9
- 235000012245 magnesium oxide Nutrition 0.000 description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical class [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 8
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 8
- 239000000395 magnesium oxide Substances 0.000 description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 8
- 239000011572 manganese Substances 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical class [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- 229910000423 chromium oxide Inorganic materials 0.000 description 7
- 229910017052 cobalt Inorganic materials 0.000 description 7
- 239000010941 cobalt Substances 0.000 description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical class [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 7
- 229910000428 cobalt oxide Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- OBWXQDHWLMJOOD-UHFFFAOYSA-H cobalt(2+);dicarbonate;dihydroxide;hydrate Chemical compound O.[OH-].[OH-].[Co+2].[Co+2].[Co+2].[O-]C([O-])=O.[O-]C([O-])=O OBWXQDHWLMJOOD-UHFFFAOYSA-H 0.000 description 6
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 235000014692 zinc oxide Nutrition 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 235000013980 iron oxide Nutrition 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical class [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical class [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
- 239000000347 magnesium hydroxide Substances 0.000 description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
- 239000011656 manganese carbonate Substances 0.000 description 3
- 235000006748 manganese carbonate Nutrition 0.000 description 3
- 229940093474 manganese carbonate Drugs 0.000 description 3
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 3
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 3
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 3
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical class [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 2
- 229940116318 copper carbonate Drugs 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
- IPJKJLXEVHOKSE-UHFFFAOYSA-L manganese dihydroxide Chemical compound [OH-].[OH-].[Mn+2] IPJKJLXEVHOKSE-UHFFFAOYSA-L 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical group 0.000 description 2
- 229910000480 nickel oxide Inorganic materials 0.000 description 2
- 229910000008 nickel(II) carbonate Inorganic materials 0.000 description 2
- ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 description 2
- VASIZKWUTCETSD-UHFFFAOYSA-N oxomanganese Chemical compound [Mn]=O VASIZKWUTCETSD-UHFFFAOYSA-N 0.000 description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229910052566 spinel group Inorganic materials 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- 239000005750 Copper hydroxide Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 206010022971 Iron Deficiencies Diseases 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 239000000038 blue colorant Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229960000359 chromic chloride Drugs 0.000 description 1
- 229940055042 chromic sulfate Drugs 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- 229940117975 chromium trioxide Drugs 0.000 description 1
- LJAOOBNHPFKCDR-UHFFFAOYSA-K chromium(3+) trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Cr+3] LJAOOBNHPFKCDR-UHFFFAOYSA-K 0.000 description 1
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 1
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 1
- 239000011636 chromium(III) chloride Substances 0.000 description 1
- 235000007831 chromium(III) chloride Nutrition 0.000 description 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
- 229910000356 chromium(III) sulfate Inorganic materials 0.000 description 1
- 239000011696 chromium(III) sulphate Substances 0.000 description 1
- 235000015217 chromium(III) sulphate Nutrition 0.000 description 1
- 229910021446 cobalt carbonate Inorganic materials 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- ZOTKGJBKKKVBJZ-UHFFFAOYSA-L cobalt(2+);carbonate Chemical compound [Co+2].[O-]C([O-])=O ZOTKGJBKKKVBJZ-UHFFFAOYSA-L 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910001956 copper hydroxide Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
- HEJPGFRXUXOTGM-UHFFFAOYSA-K iron(3+);triiodide Chemical compound [Fe+3].[I-].[I-].[I-] HEJPGFRXUXOTGM-UHFFFAOYSA-K 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- FZGIHSNZYGFUGM-UHFFFAOYSA-L iron(ii) fluoride Chemical compound [F-].[F-].[Fe+2] FZGIHSNZYGFUGM-UHFFFAOYSA-L 0.000 description 1
- SHXXPRJOPFJRHA-UHFFFAOYSA-K iron(iii) fluoride Chemical compound F[Fe](F)F SHXXPRJOPFJRHA-UHFFFAOYSA-K 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- FEONEKOZSGPOFN-UHFFFAOYSA-K tribromoiron Chemical compound Br[Fe](Br)Br FEONEKOZSGPOFN-UHFFFAOYSA-K 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/083—Magnetic toner particles
- G03G9/0831—Chemical composition of the magnetic components
- G03G9/0834—Non-magnetic inorganic compounds chemically incorporated in magnetic components
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
- G03G9/108—Ferrite carrier, e.g. magnetite
- G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/083—Magnetic toner particles
- G03G9/0831—Chemical composition of the magnetic components
- G03G9/0833—Oxides
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
- G03G9/0902—Inorganic compounds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
- Compounds Of Iron (AREA)
- Magnetic Ceramics (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野１
本発明は青色系磁性粉体およびその製造方法に関し、さ
らに詳しくは、インクあるいはカラートナーなどの原料
として有用な青色系磁性粉体およびその製造方法に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field 1] The present invention relates to a blue magnetic powder and a method for producing the same, and more particularly, to a blue magnetic powder useful as a raw material for ink or color toner, and the production thereof. Regarding the method.
［従来の技術］
有色の磁性粉体は主として磁性インクあるいはコピー用
磁性力うートナーなどに使用されている。[Prior Art] Colored magnetic powder is mainly used in magnetic ink or magnetic toner for copying.
なかでも、磁性力ラートナーは、トナー自身に磁性があ
るので、非磁性のトナーとは異なってトナーを摩擦帯電
させる必要がない．したがって、そのような磁性力ラー
トナーを使用する複写機は、磁気ブラシ等のｆ！ｌ擦帯
電装近を省略することができて，小型にすることができ
る。Among these, magnetic Lard toners have magnetic properties themselves, so unlike non-magnetic toners, there is no need to triboelectrically charge the toners. Therefore, a copying machine using such a magnetic force Ltonner has f! 1) It is possible to omit the friction charging equipment, and the size can be reduced.
コピー用磁性力うートナーに関し、多色の磁性力ラート
ナーの製造方法が、特公昭８０−２８３５０号公報およ
び特公昭８０−２５８５６１号公報に記載されている。Regarding magnetic toners for copying, methods for producing multicolor magnetic toners are described in Japanese Patent Publication No. 80-28350 and Japanese Patent Publication No. 80-258561.
前記公報によると、■黒あるいは褐色の磁性粉体の表面
を顔料などの着色剤↑被覆することにより磁性力ラート
ナーを製造すること、■着色剤を用いることなしに磁性
粉体自身をカラートナーとして利用することが記載され
ている。According to the above-mentioned publication, it is possible to produce magnetic toner by coating the surface of black or brown magnetic powder with a coloring agent such as a pigment, or to use the magnetic powder itself as a color toner without using a colorant. It is stated to be used.
［本発明が解決しようとする課題］
前記■の方法においては、黒あるいは褐色の磁性粉体自
身の色を隠蔽するために、磁性粉体の量に比べて大量の
着色剤を使用しなければならない．したがって磁性力ラ
ートナーとしての本来の特徴である磁化を弱める結果と
なる。[Problems to be Solved by the Present Invention] In the method (2) above, in order to hide the color of the black or brown magnetic powder itself, a large amount of coloring agent must be used compared to the amount of magnetic powder. No. Therefore, the magnetization, which is the original characteristic of magnetic Ltonner, is weakened.
一方、前記■の方法においては黒色の磁性粉体を用いた
ものは実用化されているが、その方法は、磁性粉体自身
の色をもってカラートナーとしているに過ぎない．磁性
粉体自身の色がたとえば青である磁性粉体は未だ知られ
ていないので、磁性粉体自身が青色系を呈する磁性力ラ
ートナーは無かった。On the other hand, in the method (2) above, a method using black magnetic powder has been put into practical use, but in this method, only the color of the magnetic powder itself is used as a color toner. Since a magnetic powder in which the color of the magnetic powder itself is, for example, blue has not yet been known, there has been no magnetic Lertner in which the magnetic powder itself exhibits a blue color.
本発明は前記事情に基いてなされたものである。The present invention has been made based on the above circumstances.
すなわち、本発明の目的は、それ自体で青色系を呈する
と共に充分な磁化を得ることのできる青色系磁性粉体お
よびその製造方法を提供することにある。That is, an object of the present invention is to provide a blue-colored magnetic powder that exhibits a blue color by itself and can obtain sufficient magnetization, and a method for producing the same.
［前記課題を解決するための手段］
重犯課題を解決するために本発明者が鋭意研究した結果
、特定の原料を特定の条件により焼成して得られた特定
組成の磁性粉体は、それ自身が青色を呈していて、大量
の青色の着色剤を使用しなくても、青色系を呈する青色
系磁性粉体が得られることを見出して本発明に到達した
。[Means for solving the above problem] As a result of intensive research by the present inventor to solve the problem of serious crime, it was found that magnetic powder of a specific composition obtained by firing specific raw materials under specific conditions is The present invention was achieved by discovering that a blue magnetic powder exhibiting a blue color can be obtained without using a large amount of blue colorant.
前記問題点を解決するため請求項１に記載の発明は、次
の組成式
％式％）
［ただし、式中のａ，ｂ，ｃおよびｄは以下の関係を満
たす。In order to solve the above-mentioned problem, the invention according to claim 1 has the following composition formula (% formula %) [where a, b, c and d in the formula satisfy the following relationship.
Ｏ≦ａ≦０．９９、０．５≦Ｃ≦４．０，ａ＋ｂ＝１、
０、２５≦（ａ＋ｂ）／ （ｃ＋ｄ）≦２．０１を満足
する青色スピネルと次の組成式
％式％）
［ただし、式中ａ） Ｍ ｅはＦｅ，Ｍｎ，Ｎｉ。O≦a≦0.99, 0.5≦C≦4.0, a+b=1,
A blue spinel satisfying 0, 25≦(a+b)/(c+d)≦2.01 and the following compositional formula (% formula %) [wherein a) M e is Fe, Mn, Ni.
Ｃｏ，ＣｕおよびＭｇのうちの少なくとも一つを示し，
式中のｘ，ｙおよび２は以下の関係を満たす。At least one of Co, Cu and Mg is shown,
x, y, and 2 in the formula satisfy the following relationship.
０．４ ≦Ｘ≦１０ 、 ０．９ ≦２≦１．０ｘ
＋ｙ＝１ ］
を満足する磁性酸化物とを焼結し、前記青色スピネルと
前記磁性酸化物とのモル比（青色スピネル／磁性酸化物
＝ ＢＳ／Ｎｏ ）が０．５≦ＢＳ＃ＩＯ≦４．０であ
ることを特徴とする青色系磁性粉体であり。0.4≦X≦10, 0.9≦2≦1.0x
+y=1], and the molar ratio of the blue spinel to the magnetic oxide (blue spinel/magnetic oxide = BS/No) is 0.5≦BS#IO≦4. It is a blue-colored magnetic powder characterized by having a .0.
請求項２に記載の発明は１Ｍｇ、Ｃｏ、Ａ交。The invention according to claim 2 is 1Mg, Co, A-cross.
Ｃｒの各金属の無機塩および／またはマグネシウム酸化
物を、前記各金属のモル比（Ｍｇ：Ｃｏ：Ａｎ ： Ｃ
ｒ）が（ａ：ｂ：ｃ：ｄ）［ただし、ａ、ｂ、ｃおよび
ｄは以下の関係を満たす。The inorganic salt of each metal of Cr and/or magnesium oxide is mixed with the molar ratio of each metal (Mg:Co:An:C
r) is (a:b:c:d) [where a, b, c, and d satisfy the following relationship.
０（ａ≦０．９９．０．５≦Ｃ≦４．０．ａ＋ｂ＝１．
０．２５≦（ａ＋ｂ）／ （ｃ＋ｄ）≦２．Ｏ］になる
ように混合し、得られる混合物を非酸化性雰囲気中で温
度１．２００〜１，４００℃で焼成して得られる青色ス
ピネルと、
Ｍｅ［ただし、ＭｅはＦｅ、Ｍｎ、Ｎｉ。0(a≦0.99.0.5≦C≦4.0.a+b=1.
0.25≦(a+b)/(c+d)≦2. A blue spinel obtained by baking the resulting mixture at a temperature of 1.200 to 1,400°C in a non-oxidizing atmosphere, and Me [where Me is Fe, Mn, or Ni.
Ｃｏ、ＣｕおよびＭｇのうちの少なくとも一つを示す、
］の各金属の無機塩および／または酸化物と、Ｚｎの無
機塩および／または酸化物と、Ｆｅの無機塩および／ま
たは酸化物とを前記各金属化合物の原子比（Ｍｅ：Ｚｎ
：Ｆｅ）が
（ｘ ： ｙ ： ｚ）
［ただし、ｘ、ｙおよび２は以下の関係を満たす。Representing at least one of Co, Cu and Mg,
], an inorganic salt and/or oxide of each metal, an inorganic salt and/or oxide of Zn, and an inorganic salt and/or oxide of Fe according to the atomic ratio of each metal compound (Me:Zn
:Fe) is (x : y : z) [However, x, y and 2 satisfy the following relationship.
０．４ ≦Ｘ≦１．０ 、 ０．９ ≦２≦１．０
。0.4≦X≦1.0, 0.9≦2≦1.0
.
ｘ＋ｙ＝１ ３
となるように混合し、得られる混合物を非酸化性雰囲気
中で温度１，１００ないし１，３００℃で焼成した磁性
酸化物とを、
前記青色スピネルと前記磁性酸化物とのモル比（青色ス
ピネル／磁性酸化物＝ ＢＳ／ＮＯ）が０．５≦ＢＳ＃
ＩＯ≦４．０になるように混合し、非酸化性雰囲気中で
８００−１，２００℃で焼成し焼結することを特徴とす
る請求
粉体の製造方法である。x + y = 1 3 , and the resulting mixture is fired at a temperature of 1,100 to 1,300°C in a non-oxidizing atmosphere to form a magnetic oxide. Ratio (blue spinel/magnetic oxide = BS/NO) is 0.5≦BS#
The method for producing the claimed powder is characterized in that the powders are mixed so that IO≦4.0, and then fired and sintered at 800-1,200°C in a non-oxidizing atmosphere.
本発明で注目すべきことは、従来の磁性トナーに用いら
れている磁性粉体はいずれも褐色あるいは黒色の磁性粉
体の表面に顔料を付着あるい被覆して青色としていたが
、本発明においては、従来の磁性粉体とは異なり、磁性
粉体と青色系のスピネルとを高温で焼結させることによ
り青色系の磁性粉体にすることができる．このような特
異な磁性粉体は金属酸化物の新規な組成により得られた
ものであり、またこのような新規な磁性粉体は、複数種
の金属酸化物と特定の条件で製造することにより初めて
得られたものである。What should be noted in the present invention is that all the magnetic powders used in conventional magnetic toners are colored blue by adhering or coating pigments on the surface of brown or black magnetic powder. Unlike conventional magnetic powder, it can be made into blue-colored magnetic powder by sintering magnetic powder and blue-colored spinel at high temperatures. Such a unique magnetic powder was obtained by a new composition of metal oxides, and by manufacturing it with multiple types of metal oxides and under specific conditions. This is the first time it has been obtained.
以下に本発明の青色系磁性粉体の製造方法について説明
する。The method for producing the blue magnetic powder of the present invention will be explained below.
本発明の青色系磁性粉体を製造する際の原料のうち、青
色スピネルを製造する際の原料として、マグネシウムの
無機塩および／またはマグネシウム酸化物と、コバルト
の無機塩および／またはコバルト酸化物と、アルミニウ
ムの無機酸化物および／またはアルミニウムの酸化物と
、クロムの無機塩および／またはクロムの酸化物とを使
用する。Among the raw materials for producing the blue magnetic powder of the present invention, inorganic salts of magnesium and/or magnesium oxide, and inorganic salts of cobalt and/or cobalt oxides are used as raw materials for producing blue spinel. , an inorganic oxide of aluminum and/or an oxide of aluminum, and an inorganic salt of chromium and/or an oxide of chromium.
マグネシウムの無機塩として、塩基性炭酸マグネシウム
，硫酸マグネシウム、塩化マグネシウム等を挙げること
ができ、マグネシウムの酸化物として酸化マグネシウム
、水酸化マグネシウム等を挙げることができる。Examples of inorganic salts of magnesium include basic magnesium carbonate, magnesium sulfate, magnesium chloride, etc., and examples of magnesium oxides include magnesium oxide, magnesium hydroxide, etc.
七の外、他の金属を含まない錯塩や有機塩も使用可能で
ある。In addition to the above, complex salts and organic salts that do not contain other metals can also be used.
本発明においては，マグネシウムの無機塩を一種単独で
使用しても良いし，また、複数種のマグネシウムの無機
塩あるいはｌｉ塩を併用しても良い．さらにマグネシウ
ムの酸化物をその一種単独で使用しても良いし、またマ
グネシウムの無機塩とマグネシウムの酸化物とを併用し
ても良い。In the present invention, one type of magnesium inorganic salt may be used alone, or multiple types of magnesium inorganic salts or li salts may be used in combination. Further, one type of magnesium oxide may be used alone, or a magnesium inorganic salt and a magnesium oxide may be used in combination.
本発明において好ましいのは、塩基性炭酸マグネシウム
、酸化マグネシウムおよび水酸化マグネシウムである。Preferred in the present invention are basic magnesium carbonate, magnesium oxide and magnesium hydroxide.
前記コバルトの無ａ塩としては、塩基性炭酸コバルト、
硫酸コバルト、塩化コバルト等を挙げることができる．
コバルトの酸化物として、酸化コバルト、水酸化コバル
ト等を挙げることができる。The a-free salt of cobalt includes basic cobalt carbonate,
Examples include cobalt sulfate and cobalt chloride.
Examples of cobalt oxides include cobalt oxide and cobalt hydroxide.
本発明においては、コバルトの無機塩を一種単独で使用
しても良いし、また、複数種のコバルトの無機塩あるい
は複塩を併用しても良い、さらにコバルトの酸化物をそ
の一種単独で使用しても良いし、またコバルトの無機塩
とコバルトの酸化物とを併用しても良い。In the present invention, one type of cobalt inorganic salt may be used alone, or multiple types of cobalt inorganic salts or double salts may be used in combination, and cobalt oxides may be used alone. Alternatively, a cobalt inorganic salt and a cobalt oxide may be used together.
本発明において好ましいのは、塩基性炭酸コバルト、酸
化コバルトおよび水酸化コバルトである。Preferred in the present invention are basic cobalt carbonate, cobalt oxide and cobalt hydroxide.
前記アルミニウムの無機塩としては、硫酸アルミニウム
、塩化アルミニウム、硝酸アルミニウム等を挙げること
ができる。アルミニウムの酸化物として、酸化アルミニ
ウム、水酸化アルミニウム等を挙げることができる。Examples of the inorganic salt of aluminum include aluminum sulfate, aluminum chloride, aluminum nitrate, and the like. Examples of aluminum oxides include aluminum oxide and aluminum hydroxide.
本発明においては、アルミニウムの無機塩を一種単独で
使用しても良いし、また、複数種のアルミニウムの無機
塩あるいは複塩を併用しても良い、さらにアルミニウム
の酸化物をその一種単独で使用しても良いし、またアル
ミニウムの無機塩とアルミニウムの酸化物とを併用して
も良い。In the present invention, an inorganic salt of aluminum may be used alone, or a plurality of inorganic salts or double salts of aluminum may be used together, and an oxide of aluminum may be used alone. Alternatively, an inorganic aluminum salt and an oxide of aluminum may be used together.
本発明において好ましいのは、酸化アルミニウムおよび
水酸化アルミニウムである。Preferred in the present invention are aluminum oxide and aluminum hydroxide.
前記クロムの無機塩としては、硫酸第２クロム、塩化第
２クロム等を挙げることができる。クロムの酸化物とし
て、酸化クロム等を挙げることができる。Examples of the inorganic salt of chromium include chromic sulfate and chromic chloride. Examples of chromium oxides include chromium oxide.
本発明においては、クロムの無機塩を一種単独で使用し
ても良いし、また、複数種のクロムの無機塩あるいは複
塩を併用しても良い、さらにクロムの酸化物をその一種
単独で使用しても良いし、またクロムの無機塩とクロム
の酸化物とを併用しても良い。In the present invention, one type of chromium inorganic salt may be used alone, or multiple types of chromium inorganic salts or double salts may be used in combination, and furthermore, chromium oxide may be used alone. Alternatively, an inorganic chromium salt and a chromium oxide may be used together.
本発明において好ましいのは、酸化クロムである。Preferred in the present invention is chromium oxide.
もっとも、スピネル中に存在する三酸化クロムは、本発
明の目的とする着色性には極めて効果があるが重金属で
有毒性であるため、多量に存在させると使用上注意を要
する。However, although chromium trioxide present in spinel is extremely effective in achieving the desired coloring property of the present invention, it is a heavy metal and is toxic, so care must be taken when using it if it is present in a large amount.
本発明において、Ｍｇ、Ｃｏ、Ａ文、Ｃｒｃｖ各金属の
無機塩および／または酸化物を、前記各金属のモル比（
Ｍｇ：Ｃｏ：ＡｆＬ：Ｃｒ）が（ａ：ｂ ： ｃ ：
ｄ）
［ただし、ａ、ｂ、ｃおよびｄは以下の関係を満たす。In the present invention, inorganic salts and/or oxides of Mg, Co, A, and CrCV metals are mixed in a molar ratio of each metal (
Mg:Co:AfL:Cr) is (a:b:c:
d) [However, a, b, c, and d satisfy the following relationship.
０≦ａ≦０．９９．０．５≦Ｃ≦４．０．ａ＋ｂ＝１．
０．２５≦（ａ＋ｂ）／ （ｃ＋ｄ）≦２．０１になる
ように混合し、得られる混合物を非酸化性雰囲気中で温
度１．１００〜１．７００℃で、好ましくは１．２００
〜１．４００℃で焼成して青色スピネルを得る。0≦a≦0.99.0.5≦C≦4.0. a+b=1.
0.25≦(a+b)/(c+d)≦2.01, and the resulting mixture is heated in a non-oxidizing atmosphere at a temperature of 1.100 to 1.700°C, preferably 1.200°C.
~1. Calcinate at 400°C to obtain blue spinel.
なお、本発明において非酸化性雰囲気とは、酸化性雰囲
気を排除する意味であり、たとえば空気雰囲気下におい
ても本発明の目的を達成することができる。In the present invention, a non-oxidizing atmosphere means excluding an oxidizing atmosphere, and the object of the present invention can be achieved even under an air atmosphere, for example.
いずれにせよ、前記混合物が前記焼成温度において酸化
されない限り、その非酸化性雰囲気を制限するものでは
ない。In any case, there is no restriction on the non-oxidizing atmosphere as long as the mixture is not oxidized at the calcination temperature.
前記非酸化性雰囲気のなかでも好ましいのは、還元性雰
囲気、不活性雰囲気である。Among the non-oxidizing atmospheres, reducing atmospheres and inert atmospheres are preferred.
前記各金属のモル比（Ｍｇ：Ｃｏ：Ａ文：Ｃｒ）が前記
範囲を外れると、鮮やかな青色のスピネルが得られない
ことがある。If the molar ratio of each of the metals (Mg:Co:A:Cr) is out of the range, bright blue spinel may not be obtained.
また、前記焼成温度が１，１００℃よりも低いと。Further, the firing temperature is lower than 1,100°C.
未反応のコバルト酸化物が残留し、焼成物が茶褐色を帯
びることがある。一方、１．７００℃よりも高いと、溶
融して機械的粉砕が困難になることがある。Unreacted cobalt oxide may remain and the fired product may take on a brownish color. On the other hand, if the temperature is higher than 1.700°C, it may melt and become difficult to mechanically crush.
焼成時間は１通常、１時間以上、好ましくは、２〜ｌＯ
時間である。The firing time is usually 1 hour or more, preferably 2 to 10
It's time.
焼成時間が１時間未満であると、未反応のコバルト酸化
物が残留し、焼成物が茶褐色を帯びることがある。If the firing time is less than 1 hour, unreacted cobalt oxide may remain and the fired product may take on a brownish color.
磁性酸化物を製造する際の原料として、Ｍｅ［ただし、
ＭｅはＦｅ、Ｍｎ、Ｎｉ、Ｃｏ。As a raw material for producing magnetic oxides, Me [however,
Me is Fe, Mn, Ni, Co.
ＣｕおよびＭｇのうちの少なくとも一つを示す、］の各
金属の無機塩および／または酸化物と、亜鉛のＳ機塩お
よび／、または亜鉛の酸化物と、鉄の無機塩および／ま
た鉄の酸化物とを使用する。Inorganic salts and/or oxides of metals representing at least one of Cu and Mg, S organic salts of zinc and/or oxides of zinc, and inorganic salts of iron and/or iron. Use oxides.
マンガンの無機塩としては、炭酸マンガン、硫酸第１マ
ンガン、塩酸第１マンガン、硝酸マンガンなどを挙げる
ことができる。マンガンの無機塩は無水塩であっても含
水塩であっても良い、また、マンガンの酸化物、水酸化
物として一酸化マンガン、水酸化マンガンを挙げること
ができる。Examples of inorganic salts of manganese include manganese carbonate, manganese sulfate, manganous hydrochloride, manganese nitrate, and the like. The inorganic salt of manganese may be an anhydrous salt or a hydrated salt, and examples of manganese oxides and hydroxides include manganese monoxide and manganese hydroxide.
磁性酸化物の原料として、炭酸マンガン、酸化マンガン
および水酸化マンガンが好ましい。Preferred raw materials for the magnetic oxide include manganese carbonate, manganese oxide, and manganese hydroxide.
ニッケルの無機塩としては、炭酸ニッケル、硫酸ニッケ
ル、塩化ニッケル、硝酸ニッケルなどを挙げることがで
きる。ニッケルの無機塩は無水塩であっても含水塩であ
っても良い、また、マンガンの酸化物、水酸化物として
酸化ニッケル、水酸化を挙げることができる。Examples of inorganic salts of nickel include nickel carbonate, nickel sulfate, nickel chloride, and nickel nitrate. The inorganic salt of nickel may be an anhydrous salt or a hydrated salt, and examples of the oxide and hydroxide of manganese include nickel oxide and hydroxide.
磁性酸化物の原料として、炭酸ニッケル、酸化ニッケル
および水酸化ニッケルが好ましい。As raw materials for the magnetic oxide, nickel carbonate, nickel oxide, and nickel hydroxide are preferred.
コバルトの無機塩およびコバルトの酸化物は、前記青色
スピネルを製造する際に使用するコバルトのＳ機塩およ
びコバルトの酸化物と同様である。The cobalt inorganic salt and cobalt oxide are the same as the cobalt S organic salt and cobalt oxide used in producing the blue spinel.
銅の無機塩としては、炭酸銅、硫酸第２銅、塩化第２銅
、硝酸第２銅などを挙げることができる。銅の無機塩は
無水塩であっても含水塩であっても良い、また、銅の酸
化物、水酸化物として酸化銅、水酸化銅を挙げることか
でＳる。Examples of inorganic salts of copper include copper carbonate, cupric sulfate, cupric chloride, cupric nitrate, and the like. The inorganic salt of copper may be an anhydrous salt or a hydrated salt, and examples of copper oxides and hydroxides include copper oxide and copper hydroxide.
磁性酸化物の原料として、炭酸銅、酸化銅が好ましい。Copper carbonate and copper oxide are preferred as raw materials for the magnetic oxide.
マグネシウムの無機塩およびマグネシウムの酸化物は、
前記青色スピネルを製造する際に使用するマグネシウム
およびマグネシウムの酸化物と同様である。Inorganic salts of magnesium and oxides of magnesium are
It is the same as magnesium and magnesium oxide used in producing the blue spinel.
磁性酸化物の原料として、墳墓性炭酸マグネシウム、酸
化マグネシウムおよび水酸化マグネシウムが好ましい。As the raw material for the magnetic oxide, grave magnesium carbonate, magnesium oxide, and magnesium hydroxide are preferred.
亜鉛の無機塩としては、塩基性炭酸亜鉛、硫酸亜鉛、塩
化亜鉛、硫化亜鉛、硝酸亜鉛等を挙げることができる。Examples of inorganic salts of zinc include basic zinc carbonate, zinc sulfate, zinc chloride, zinc sulfide, and zinc nitrate.
亜鉛の無機塩は無水塩であっても含水塩であっても良い
、また亜鉛の酸化物として酸化亜鉛、水酸化亜鉛を挙げ
ることができる。The inorganic salt of zinc may be an anhydrous salt or a hydrated salt, and examples of zinc oxides include zinc oxide and zinc hydroxide.
本発明においては、亜鉛の無機塩を一種単独で使用して
も良いし、また、複数種の亜鉛の無機塩あるいは亜鉛の
複塩を併用しても良い、さらに亜鉛の酸化物をその一種
単独で使用しても良いし、また亜鉛の無機塩と酸化亜鉛
とを併用しても良い。In the present invention, one type of zinc inorganic salt may be used alone, or multiple types of zinc inorganic salts or zinc double salts may be used in combination, and zinc oxide may be used alone. Alternatively, an inorganic zinc salt and zinc oxide may be used together.
本発明において好ましいのは、塩基性炭酸亜鉛および酸
化亜鉛である。Preferred in the present invention are basic zinc carbonate and zinc oxide.
鉄の無機塩としては、硫酸第２鉄、フッ化第１鉄、フッ
化第２鉄、塩化第２鉄、臭化第２鉄、ヨウ化第２鉄、硝
酸第２鉄、水酸化第２鉄等を挙げることができる。また
、鉄の酸化物としては、亜酸化鉄、酸化第２鉄、四三酸
化鉄等を挙げることができる。Inorganic iron salts include ferric sulfate, ferrous fluoride, ferric fluoride, ferric chloride, ferric bromide, ferric iodide, ferric nitrate, and ferric hydroxide. Examples include iron. Further, examples of iron oxides include iron suboxide, ferric oxide, triiron tetroxide, and the like.
本発明においては、鉄の無機塩を一種単独で使用しても
良いし、また、複数種の鉄の無機塩あるいは鉄の複塩を
併用しても良い、さらに鉄の酸化物をその一種単独で使
用しても良いし、また鉄の無機塩と鉄の酸化物とを併用
しても良い。In the present invention, one type of iron inorganic salt may be used alone, or multiple types of iron inorganic salts or iron double salts may be used in combination, and iron oxides may be used alone. Alternatively, an inorganic iron salt and an oxide of iron may be used together.
本発明において好ましいのは、酸化第２鉄である。Preferred in the present invention is ferric oxide.
本発明の方法においては、Ｍｅ［ただし、ＭｅはＦｅ、
Ｍｎ、Ｎｉ 、Ｃｏ、ＣｕおよびＭｇのうちの少なくと
も一つを示す、］の各全屈の無機塩および／または酸化
物と、Ｚｎの無機塩および／または酸化物と、Ｆｅの無
機塩および／またた酸化物とを前記各金属化合物の原子
比（Ｍｅ：Ｚｎ 二 Ｆｅ） が （ｘ ：
ｙ ； ｚ）［ただし、ｘ、ｙおよび２は以下の関
係を満たす。In the method of the present invention, Me [where Me is Fe,
each total inorganic salt and/or oxide representing at least one of Mn, Ni, Co, Cu, and Mg, an inorganic salt and/or oxide of Zn, and an inorganic salt and/or of Fe; In addition, the atomic ratio (Me:Zn2Fe) of each metal compound is (x:
y; z) [However, x, y and 2 satisfy the following relationship.
０．４ ≦Ｘ≦１．０ 、 ０．９ ≦２≦１−０
。0.4≦X≦1.0, 0.9≦2≦1-0
.
ｘ＋ｙ＝１ ］
となるように混合し、要すれば前記化合物を粉砕してか
ら混合する。x+y=1], and if necessary, the above-mentioned compound is pulverized and then mixed.
前記各金属化合物の原子比が前記範囲を外れると、本発
明の磁性粉体を得ることができない。If the atomic ratio of each of the metal compounds is outside the above range, the magnetic powder of the present invention cannot be obtained.
次いで、この混合物を前記の青色スピネルを得た焼成過
程と同様の非酸化性雰囲気下で焼成する。This mixture is then fired in a non-oxidizing atmosphere similar to the firing process used to obtain the blue spinel.
焼成温度は１通常、 ８００〜１．６００℃であり、好
ましくは１，１００〜１．５００℃である。The firing temperature is usually 800 to 1,600°C, preferably 1,100 to 1,500°C.
焼成温度が１，１００℃未満であると、未反応の金属化
合物が残留し、たとえば未反応の鉄化合物がｍ＝酸化鉄
であったり、化学量論的組成より鉄不足のスピネルが生
じたりすると、得られる焼成物が黄褐色となり、 １，
３００℃を超えると磁性粉体の色が黒色となることがあ
る。If the firing temperature is less than 1,100°C, unreacted metal compounds will remain, for example, if the unreacted iron compound is m = iron oxide, or a spinel with iron deficiency than the stoichiometric composition will occur. , the obtained baked product becomes yellowish brown, 1,
If the temperature exceeds 300°C, the color of the magnetic powder may turn black.
焼成時間は、通常、１〜５時間であり、好ましくは２〜
４蒔間である。The firing time is usually 1 to 5 hours, preferably 2 to 5 hours.
4 Makima.
焼成時間が１時間未満であると未反応の金属化合物が残
存し、たとえば未反応の金属化合物がｍ＝酸化鉄であっ
たり、鉄不足のスピネルが生じたりすると、得られる焼
成物の色が黄褐色になることがある。If the firing time is less than 1 hour, unreacted metal compounds will remain. For example, if the unreacted metal compounds are iron oxide or iron-deficient spinel, the color of the fired product will be yellow. May turn brown.
かくして得られる磁性粉体は、組成式 ％式％） ［ただし１式中のＭｅはＦｅ、Ｍｎ、Ｎｉ。The magnetic powder thus obtained has the composition formula %formula%) [However, Me in formula 1 is Fe, Mn, and Ni.
Ｃｏ、ＣｕおよびＭｇのうちの少なくとも一つを示し、
式中のｘ、ｙおよび２は以下の関係を満たす。At least one of Co, Cu and Mg is shown,
x, y, and 2 in the formula satisfy the following relationship.
０．４ ≦Ｘ≦１．０ 、 ０．９ ≦２≦１．Ｏ
ｘ＋ｙ＝ １］
を満足する。0.4≦X≦1.0, 0.9≦2≦1. O
x+y=1].
本発明の方法においては、前記青色スピネルと前記磁性
酸化物とを、前記青色スピネルと前記磁性酸化物とのモ
ル比（青色スピネル／磁性酸化物＝ＢＳ／ＮＯ）が０．
５≦ＢＳ／ＮＯ≦４．０になるように混合し、非酸化性
雰囲気下で８００〜１．２００℃、好ましくは８５０〜
１．１００℃で１〜７時間、好ましくは２〜５時間かけ
て焼成し焼結する。In the method of the present invention, the blue spinel and the magnetic oxide are mixed so that the molar ratio of the blue spinel to the magnetic oxide (blue spinel/magnetic oxide=BS/NO) is 0.
Mix so that 5≦BS/NO≦4.0, and heat at 800-1.200°C, preferably 850-1.200°C in a non-oxidizing atmosphere.
1. Sinter by firing at 100° C. for 1 to 7 hours, preferably 2 to 5 hours.
なお、前記非酸化性雰囲気とは、前記の青色スピネルを
得る焼成過程と同様の非酸化性雰囲気を言う。Note that the non-oxidizing atmosphere refers to the same non-oxidizing atmosphere as in the firing process for obtaining the blue spinel.
前記モル比が前記範囲を外れると、本発明の青色スピネ
ルを製造することができない。If the molar ratio is outside the range, the blue spinel of the present invention cannot be produced.
また、前記焼成時間が１時間よりも短いと、反応が進行
せず、全体として紫色を帯びることがあり、また７時間
よりも長いと、反応が進行し過ぎて焼結物全体が暗緑色
になることがある。Furthermore, if the firing time is shorter than 1 hour, the reaction may not proceed and the entire sintered product may turn purple, while if it is longer than 7 hours, the reaction may proceed too much and the entire sintered product may turn dark green. It may happen.
焼結温度が８００℃よりも低いと、フェライトが赤褐色
化して紫色を呈することがある。また焼結温度が１．２
００℃よりも高いと、焼結物の色が暗緑色ないし黒色に
なり、青色磁性体として使用することができなくなる。If the sintering temperature is lower than 800°C, the ferrite may turn reddish brown and take on a purple color. Also, the sintering temperature is 1.2
If the temperature is higher than 00°C, the color of the sintered product becomes dark green or black, making it impossible to use it as a blue magnetic material.
本発明の方法により製造される青色系磁性粉体は、磁性
粉体の表面に青色スピネルが焼結することにより青色を
呈すると考えられる。この場合、前記磁性粉体が青色ス
ピネルより粒径が大きい程良好である。It is thought that the blue magnetic powder produced by the method of the present invention exhibits a blue color due to the sintering of blue spinel on the surface of the magnetic powder. In this case, the larger the particle size of the magnetic powder is than that of the blue spinel, the better.
また、青色スピネルおよび磁性粉体を適当な粒度に分級
することにより、より一層青色の磁性粉体を製造するこ
とができる。たとえば、青色スピネルの粒径を６１Ｌｍ
程度に、磁性粉体の粒径を０．３ｇｍ程度にした場合に
は、焼成物は暗緑色になる。逆に青色スピネルの粒径を
６Ｂｍ程度に、磁性粉体の粒径を１２ｇｍ程度にして、
磁性粉体の粒径を大きくした場合には、より鮮明な青色
になり１粒径制御が色に及ぼす影響が大きい、これは、
青色スピネルと磁性粉体とを混合焼成した場合、青色ス
ピネルの粒径が小さいと、青色スピネルが磁性粉体を取
り囲み、さらに粒度差が増すと青色スピネルが磁性粉体
を被覆して焼結し、両者の接触部は反応し、焼結するた
め暗緑色になっているが、外側は未反応の青色スピネル
が残留しているため、結果として磁性粉体の色が消され
るためと考えられる。Furthermore, by classifying the blue spinel and magnetic powder into appropriate particle sizes, it is possible to produce even more blue magnetic powder. For example, the particle size of blue spinel is 61Lm.
In contrast, when the particle size of the magnetic powder is set to about 0.3 gm, the fired product becomes dark green. On the other hand, the particle size of the blue spinel was set to about 6 Bm, and the particle size of the magnetic powder was set to about 12 gm,
When the particle size of the magnetic powder is increased, the blue color becomes more vivid, and controlling the particle size has a large effect on the color.This is because
When blue spinel and magnetic powder are mixed and fired, if the particle size of the blue spinel is small, the blue spinel will surround the magnetic powder, and if the particle size difference increases further, the blue spinel will cover the magnetic powder and sinter. The contact area between the two is dark green due to reaction and sintering, but it is thought that this is because unreacted blue spinel remains on the outside, resulting in the color of the magnetic powder being erased.
本発明の方法により得られる青色系磁性粉体は、インク
あるいはカラートナー等の原料として有用である。The blue magnetic powder obtained by the method of the present invention is useful as a raw material for ink or color toner.
［実施例１
（実施例１）
焼結法により青色系磁性酸化物を以下のようにして製造
した。[Example 1 (Example 1) A blue magnetic oxide was produced by a sintering method as follows.
すなわち、特級試薬の塩基性炭酸マグネシウム０．５モ
ルと塩基性炭酸コバルト０．５モルと酸化アルミニウム
０．９５モルと酸化クロム０．０５モルとを混合した。That is, 0.5 mol of basic magnesium carbonate, 0.5 mol of basic cobalt carbonate, 0.95 mol of aluminum oxide, and 0.05 mol of chromium oxide, which are special grade reagents, were mixed.
得られた混合物を空気雰囲気下に１．３００℃で３時間
かけて電気炉で焼成し、青色スピネルを得た。The resulting mixture was fired in an electric furnace at 1.300° C. for 3 hours in an air atmosphere to obtain a blue spinel.
次に、特級試薬の塩基性炭酸マグネシウム０．７モルと
塩基性炭酸亜鉛０．３モルと酸化第２鉄１．０モルとを
混合した。得られた混合物を還元性雰囲気下に１，２０
０℃で３時間かけて電気炉で焼成した、焼成後、焼成物
を空気中で急冷して、磁性酸化物を得た。Next, 0.7 mol of basic magnesium carbonate, 0.3 mol of basic zinc carbonate, and 1.0 mol of ferric oxide, which were special grade reagents, were mixed. The resulting mixture was heated under a reducing atmosphere for 1,20
After firing in an electric furnace at 0°C for 3 hours, the fired product was rapidly cooled in air to obtain a magnetic oxide.
重犯青色スピネル０，５モルと磁性酸化物１１５モルと
を混合し、さらに得られた混合物を還元性雰囲気下に１
．０００℃で３時間かけて電気炉で焼成し、青色磁性粉
体を得た。Mix 0.5 mol of serious criminal blue spinel and 115 mol of magnetic oxide, and further add 1 mol of the resulting mixture under a reducing atmosphere.
．． The powder was fired in an electric furnace at 000° C. for 3 hours to obtain blue magnetic powder.
得られた粉体は、これを試料ｌとし、この試料ｌのＣＩ
Ｅ標準表色系（ＪＩＳ Ｚ ８７２２）を第１表に
示す。The obtained powder is designated as sample 1, and the CI of this sample 1 is
The E standard color system (JIS Z 8722) is shown in Table 1.
この試料ｌの磁化測定結果として、磁場−磁化曲線を第
１図に示す。FIG. 1 shows a magnetic field-magnetization curve as a result of magnetization measurement of this sample I.
（実施例２）
実施例１と同様にして得られた青色スピネル０．７モル
と磁性粉体０，３モルとを混合して、さらに得られた混
合物を空気雰囲気下にて１．０００℃で３時間かけて電
気炉で焼成し、青色系磁性粉体を得た。得られた粉体は
、これを試料２とし、この試料２のＣｒＥ標準表色系（
Ｊ ｒ Ｓ Ｚ８７２２）を第１表に示す。(Example 2) 0.7 mol of blue spinel obtained in the same manner as in Example 1 and 0.3 mol of magnetic powder were mixed, and the resulting mixture was heated at 1.000°C in an air atmosphere. The powder was fired in an electric furnace for 3 hours to obtain blue magnetic powder. The obtained powder was designated as Sample 2, and the CrE standard color system (
J r S Z8722) are shown in Table 1.
（実施例３）
特級試薬の塩基性炭酸マグネシウム０．５モルと塩基性
炭酸コバルト０，５モルと酸化アルミニウム０．９５モ
ルと酸化クロム０．０５モルとを混合した。得られた混
合物を空気雰囲気下に１．３００℃で３昨間かけて電気
炉で焼成し、青色スピネルを得た。(Example 3) 0.5 mol of basic magnesium carbonate, 0.5 mol of basic cobalt carbonate, 0.95 mol of aluminum oxide, and 0.05 mol of chromium oxide as special grade reagents were mixed. The resulting mixture was fired in an electric furnace at 1.300° C. for 3 hours in an air atmosphere to obtain a blue spinel.
次に、特級試薬の塩基性炭酸マグネシウム０．７モルと
塩基性炭酸亜鉛０．３モルと酸化第２鉄１．０モルとを
混合した。得られた混合物を還元性雰囲気下に１．２０
０℃で３時間かけて電気炉で焼成した。焼成後、焼成物
を空気中で急冷した。得られた焼成物をその平均粒度が
０．３ＪＬｍになるまで粉砕し、磁性酸化物を得た。Next, 0.7 mol of basic magnesium carbonate, 0.3 mol of basic zinc carbonate, and 1.0 mol of ferric oxide, which were special grade reagents, were mixed. The resulting mixture was heated to 1.20% under a reducing atmosphere.
It was fired in an electric furnace at 0°C for 3 hours. After firing, the fired product was rapidly cooled in air. The obtained fired product was pulverized until its average particle size became 0.3 JLm to obtain a magnetic oxide.
前記青色スピネル０．７モルと磁性酸化物０．３モルと
を混合し、さらに得られた混合物を還元性雰囲気下に１
，０００℃で３時間かけて電気炉で焼成し、暗緑色磁性
粉体を得た。0.7 mol of the blue spinel and 0.3 mol of the magnetic oxide were mixed, and the resulting mixture was heated under a reducing atmosphere for 1 mol.
The powder was fired in an electric furnace at ,000°C for 3 hours to obtain dark green magnetic powder.
得られた粉体は、これを試料３とし、この試料３のＣＩ
Ｅ標準表色系（ＪＩＳ Ｚ ８７２２）を第１表に
示す。The obtained powder is designated as sample 3, and the CI of this sample 3 is
The E standard color system (JIS Z 8722) is shown in Table 1.
この試料３は前記試料２の組成と同じであるが、磁性粉
体の粒度が異なるために暗緑色になった。This sample 3 had the same composition as the sample 2, but had a dark green color because the particle size of the magnetic powder was different.
（実施例４） 次に黄緑色の磁性粉体の製造法につき説明する。(Example 4) Next, a method for producing yellow-green magnetic powder will be explained.
特級試薬の１１！基性炭酸マグネシウム０．５モルとａ
Ｘ性炭酸コバルト０．５モルと酸化アルミニウム０．５
モルと酸化クロム０，５モルとを混合した。得られた混
合物を空気雰囲気下に１，３００℃で３時間かけて電気
炉で焼成し、黄緑色スピネルを得た。11 special reagents! Basic magnesium carbonate 0.5 mol and a
0.5 mol of X-type cobalt carbonate and 0.5 mol of aluminum oxide
mol and 0.5 mol of chromium oxide were mixed. The resulting mixture was fired in an electric furnace at 1,300° C. for 3 hours in an air atmosphere to obtain a yellow-green spinel.
特級試薬の塩基性炭酸マグネシウム０．７モルと塩基性
炭酸亜鉛０．３モルと酸化第２鉄１．０モルとを混合し
た。得られた混合物を還元性雰囲気下に１．２００℃で
３時間かけて電気炉で焼成した。焼成後、焼成物を空気
中で急冷して、磁性酸化物を得た。0.7 mol of basic magnesium carbonate, 0.3 mol of basic zinc carbonate, and 1.0 mol of ferric oxide, which are special grade reagents, were mixed. The resulting mixture was fired in an electric furnace at 1.200° C. for 3 hours under a reducing atmosphere. After firing, the fired product was rapidly cooled in air to obtain a magnetic oxide.
前記青色スピネル０．７モルと磁性酸化物０．３モルと
を混合し、さらに得られた混合物を還元性雰囲気下に１
．０００℃で３時間かけて電気炉で焼成し、黄緑色系磁
性粉体を得た。0.7 mol of the blue spinel and 0.3 mol of the magnetic oxide were mixed, and the resulting mixture was heated under a reducing atmosphere for 1 mol.
．． The powder was fired in an electric furnace at 000° C. for 3 hours to obtain yellow-green magnetic powder.
得られた粉体は、これを試料４とし、この試料４（７）
ＣＩ Ｅ標準表色系（ＪＩＳ Ｚ ８７２２）ヲ第
１表に示す。The obtained powder was designated as sample 4, and this sample 4 (7)
The CI E standard color system (JIS Z 8722) is shown in Table 1.
（実施例５）
釜石鉱山−産の天然マグネタイトを平均粒度１０ルｍに
分級し、これに実施例１と同様にして作った青色スピネ
ル粉体を、磁性酸化物と青色スピネル粉体とをモル比で
ｌ対ｌとなるように混合粉砕し、得られた混合物を還元
性雰囲気下で、１．０００℃で３時間かけて電気炉で焼
成し、青色系磁性粉体を得た。得られた粉体は、これを
試料５としこの試料５のＣＩＥ標準表色系（ＪＩＳ
Ｚ８７２２）を第１表に示す。(Example 5) Natural magnetite from Kamaishi Mine was classified to an average particle size of 10 m, and blue spinel powder prepared in the same manner as in Example 1 was added to it by molar addition of magnetic oxide and blue spinel powder. The mixture was mixed and ground at a ratio of 1:1, and the resulting mixture was fired in an electric furnace at 1.000° C. for 3 hours under a reducing atmosphere to obtain blue magnetic powder. The obtained powder was designated as sample 5 and the CIE standard color system (JIS) of this sample 5 was used.
Z8722) are shown in Table 1.
（実施例６）
特級試薬の炭酸マンガン０．８モルと塩基性炭酸亜鉛０
．２モルと酸化第２鉄１．０モルとを混合した。この混
合物を空気雰囲気下に１，３００”Ｃで３時間かけて電
気炉で焼成した。焼成後、焼成物を空気中で急冷して、
７ａｉ性酸化物を得た。(Example 6) 0.8 mol of special grade reagent manganese carbonate and 0 basic zinc carbonate
．． 2 mol and 1.0 mol of ferric oxide were mixed. This mixture was fired in an electric furnace at 1,300"C for 3 hours in an air atmosphere. After firing, the fired product was rapidly cooled in air.
7ai oxide was obtained.
得られた磁性酸化物に前記実施例１と同様の青色スピネ
ルを、磁性酸化物０．３モルに対し青色スピネルを０．
７モル混合し、さらに、得られた混合物を空気雰囲気下
に、１，０００℃で３時間かけて焼成し青色系磁性粉体
を得た。The same blue spinel as in Example 1 was added to the obtained magnetic oxide, and 0.3 mol of blue spinel was added to the magnetic oxide.
7 moles were mixed, and the resulting mixture was fired at 1,000° C. for 3 hours in an air atmosphere to obtain blue magnetic powder.
得られた青色系磁性粉末は、これを試料６とし、この試
料６のＣＩＥ標準表色系（Ｊ Ｉ ＳＺ ８７２２）を
第１表に示す。The obtained blue magnetic powder was designated as Sample 6, and the CIE standard color system (J I SZ 8722) of Sample 6 is shown in Table 1.
（実施例７）
特級試薬の塩基性炭酸コバルト１８い、０モルと酸化第
２鉄ｌ、０モルとを混合した。この混合物を空気中で１
，４００℃で３時間かけて電気炉で焼成した。焼成後、
焼成物を空気雰囲気下に急冷して、磁性酸化物を得た。(Example 7) Basic cobalt carbonate, which is a special grade reagent, was mixed with 1.8 mol of basic cobalt carbonate and 1.0 mol of ferric oxide. 1 of this mixture in air
, and fired in an electric furnace at 400°C for 3 hours. After firing,
The fired product was rapidly cooled in an air atmosphere to obtain a magnetic oxide.
得られた磁性酸化物に前記実施例１と同様の青色スピネ
ルを５磁性粉体０．３モルに対し青色スピネルを０．７
モル混合し、さらに、得られた混合物を空気雰囲気下に
、１，０００℃で３時間かけて焼成し青色系磁性粉体を
得た。The obtained magnetic oxide was mixed with 5 blue spinels similar to those in Example 1, and 0.3 moles of the magnetic powder with 0.7 blue spinels.
The molar mixture was mixed, and the resulting mixture was fired at 1,000° C. for 3 hours in an air atmosphere to obtain blue magnetic powder.
得られた青色系磁性粉体は、これを試料７とし、この試
料７のＣＩＥ標準表色系（ＪＩＳＺ ８７２２）を第１
表に示す。The obtained blue magnetic powder was designated as Sample 7, and the CIE standard color system (JISZ 8722) of Sample 7 was
Shown in the table.
第
表
［発明の効果］
本発明により、それ自体で青色系を呈すると共に充分な
磁化を得ることのできる青色系磁性粉体およびその製造
方法を提供することができる。Table 1 [Effects of the Invention] According to the present invention, it is possible to provide a blue-colored magnetic powder that exhibits a blue color by itself and can obtain sufficient magnetization, and a method for producing the same.
また、請求項１に記載の発明によると、磁性粉体が青色
を呈し、小さな外部磁場に対しても飽和磁化に近い磁化
を得ることができると言う点で従来の磁性粉と異なった
青色系磁性粉体を提供することができる。請求項２に記
載の発明によると、青色から黄緑色の所望の青果の磁性
粉体を簡単に製造することができる。Further, according to the invention described in claim 1, the magnetic powder exhibits a blue color and is different from conventional magnetic powders in that it can obtain magnetization close to saturation magnetization even in the presence of a small external magnetic field. Magnetic powder can be provided. According to the second aspect of the invention, it is possible to easily produce magnetic powder of desired fruits or vegetables in a color ranging from blue to yellowish green.
さらに本発明の磁性粉体は、外部磁場が小さい場合にお
いても飽和磁化に近い磁化が得られると言う点において
も従来の磁性粉体よりも優れている。Furthermore, the magnetic powder of the present invention is superior to conventional magnetic powders in that magnetization close to saturation magnetization can be obtained even when the external magnetic field is small.
第１図は実施例１において得られた磁性粉体についての
磁場−磁化曲線を示すグラフである。FIG. 1 is a graph showing a magnetic field-magnetization curve for the magnetic powder obtained in Example 1.
Claims (1)
（Ｃｒ＿２Ｏ＿３）＿ｄ ［ただし、式中のａ，ｂ，ｃおよびｄは以下の関係を満
たす。 ０≦ａ≦０．９９、０．５≦ｃ≦４．０、ａ＋ｂ＝１、
０．２５≦（ａ＋ｂ）／（ｃ＋ｄ）≦２．０］を満足す
る青色スピネルと、 次の組成式 （ＭｅＯ）＿ｘ（ＺｎＯ）＿ｙ（Ｆｅ＿２Ｏ＿３）＿ｚ
［ただし、式中のＭｅはＦｅ，Ｍｎ，Ｎｉ，Ｃｏ，Ｃｕ
およびＭｇのうちの少なくとも一つを示し、式中のｘ，
ｙおよびｚは以下の関係を満たす。 ０．４≦ｘ≦１．０、０．９≦ｚ≦１．０、ｘ＋ｙ：１
］ を満足する磁性酸化物とを焼結し、 前記青色スピネルと前記磁性酸化物とのモル比（青色ス
ピネル／磁性酸化物＝ＢＳ／ＭＯ）が０．５≦ＢＳ／Ｍ
Ｏ≦４．０であることを特徴とする青色系磁性粉体。 （２）Ｍｇ，Ｃｏ，Ａｌ，Ｃｒの各金属の無機塩および
／または酸化物を、前記各金属のモル比（Ｍｇ：Ｃｏ：
Ａｌ：Ｃｒ）が （ａ：ｂ：ｃ：ｄ） ［ただし、ａ，ｂ，ｃおよびｄは以下の関係を満たす。 ０≦ａ≦０．９９、０．５≦ｃ≦４．０、ａ＋ｂ＝１、
０．２５≦（ａ＋ｂ）／（ｃ＋ｄ）≦２．０］になるよ
うに混合し、得られる混合物を非酸化性雰囲気中で温度
１，２００〜１，４００℃で焼成して得られる青色スピ
ネルと、 Ｍｅ［ただし、ＭｅはＦｅ，Ｍｎ，Ｎｉ， Ｃｏ，ＣｕおよびＭｇのうちの少なくとも一つを示す。 ］の各金属の無機塩および／または酸化物と、Ｚｎの無
機塩および／または酸化物と、Ｆｅの無機塩および／ま
たは酸化物とを前記各金属化合物の原子比（Ｍｅ：Ｚｎ
：Ｆｅ）が （ｘ：ｙ：ｚ） ［ただし、ｘ，ｙおよびｚは以下の関係を満たす。 ０．４≦ｘ≦１．０、０．９≦ｚ≦１．０、ｘ＋ｙ：１
］ となるように混合し、得られる混合物を非酸化性雰囲気
中で温度１，１００ないし１，３００℃で焼成した磁性
酸化物とを、 前記青色スピネルと前記磁性酸化物とのモル比（青色ス
ピネル／磁性酸化物＝ＢＳ／ＭＯ）が０．５≦ＢＳ／Ｍ
Ｏ≦４．０になるように混合し、非酸化性雰囲気中で８
００〜１，２００℃で焼成し焼結することを特徴とする
前記請求項１に記載の青色系磁性粉体の製造方法。[Claims] (1) The following compositional formula (MgO)_a(CoO)_b(Al_2O_3)_c
(Cr_2O_3)_d [However, a, b, c, and d in the formula satisfy the following relationship. 0≦a≦0.99, 0.5≦c≦4.0, a+b=1,
0.25≦(a+b)/(c+d)≦2.0] and the following compositional formula (MeO)_x(ZnO)_y(Fe_2O_3)_z
[However, Me in the formula is Fe, Mn, Ni, Co, Cu
and Mg, and x in the formula,
y and z satisfy the following relationship. 0.4≦x≦1.0, 0.9≦z≦1.0, x+y:1
], and the molar ratio of the blue spinel and the magnetic oxide (blue spinel/magnetic oxide = BS/MO) is 0.5≦BS/M.
A blue magnetic powder characterized in that O≦4.0. (2) Inorganic salts and/or oxides of each of the metals Mg, Co, Al, and Cr are added to the molar ratio of each metal (Mg:Co:
Al:Cr) is (a:b:c:d) [However, a, b, c and d satisfy the following relationship. 0≦a≦0.99, 0.5≦c≦4.0, a+b=1,
0.25≦(a+b)/(c+d)≦2.0], and the resulting mixture is fired at a temperature of 1,200 to 1,400°C in a non-oxidizing atmosphere. and Me [where Me represents at least one of Fe, Mn, Ni, Co, Cu, and Mg. ], an inorganic salt and/or oxide of each metal, an inorganic salt and/or oxide of Zn, and an inorganic salt and/or oxide of Fe according to the atomic ratio of each metal compound (Me:Zn
:Fe) is (x:y:z) [However, x, y, and z satisfy the following relationship. 0.4≦x≦1.0, 0.9≦z≦1.0, x+y:1
The molar ratio of the blue spinel to the magnetic oxide (blue Spinel/magnetic oxide = BS/MO) is 0.5≦BS/M
Mix so that O≦4.0 and 8.0 in a non-oxidizing atmosphere.
2. The method for producing blue magnetic powder according to claim 1, wherein the powder is fired and sintered at a temperature of 00 to 1,200°C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63290982A JP2820419B2 (en) | 1988-08-03 | 1988-11-16 | Blue magnetic powder and method for producing the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19397088 | 1988-08-03 | ||
| JP63-193970 | 1988-08-03 | ||
| JP63290982A JP2820419B2 (en) | 1988-08-03 | 1988-11-16 | Blue magnetic powder and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02146059A true JPH02146059A (en) | 1990-06-05 |
| JP2820419B2 JP2820419B2 (en) | 1998-11-05 |
Family
ID=26508214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63290982A Expired - Fee Related JP2820419B2 (en) | 1988-08-03 | 1988-11-16 | Blue magnetic powder and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2820419B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1168087A1 (en) * | 2000-06-26 | 2002-01-02 | Toda Kogyo Corporation | Magnetic composite particles for black magnetic toner and black magnetic toner using the same |
| JP2009215385A (en) * | 2008-03-07 | 2009-09-24 | Toda Kogyo Corp | Blue pigment with infrared reflectivity, coating material using the same, and resin composition |
| JP2011075918A (en) * | 2009-09-30 | 2011-04-14 | Dowa Electronics Materials Co Ltd | Carrier core material for electrophotographic developer and method for producing the same, carrier for the electrophotographic developer, and the electrophotographic developer |
| JP2019041599A (en) * | 2017-08-30 | 2019-03-22 | 京セラ株式会社 | Guide ring, guide ring for fishing line, guide for fishing line, and fishing rod |
-
1988
- 1988-11-16 JP JP63290982A patent/JP2820419B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1168087A1 (en) * | 2000-06-26 | 2002-01-02 | Toda Kogyo Corporation | Magnetic composite particles for black magnetic toner and black magnetic toner using the same |
| JP2009215385A (en) * | 2008-03-07 | 2009-09-24 | Toda Kogyo Corp | Blue pigment with infrared reflectivity, coating material using the same, and resin composition |
| JP2011075918A (en) * | 2009-09-30 | 2011-04-14 | Dowa Electronics Materials Co Ltd | Carrier core material for electrophotographic developer and method for producing the same, carrier for the electrophotographic developer, and the electrophotographic developer |
| JP2019041599A (en) * | 2017-08-30 | 2019-03-22 | 京セラ株式会社 | Guide ring, guide ring for fishing line, guide for fishing line, and fishing rod |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2820419B2 (en) | 1998-11-05 |
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