JPS61158831A - 磁気記録媒体用磁性酸化鉄粒子粉末の製造法 - Google Patents

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Publication number

JPS61158831A

JPS61158831A JP59275898A JP27589884A JPS61158831A JP S61158831 A JPS61158831 A JP S61158831A JP 59275898 A JP59275898 A JP 59275898A JP 27589884 A JP27589884 A JP 27589884A JP S61158831 A JPS61158831 A JP S61158831A

Authority

JP

Japan

Prior art keywords

particles

acicular

oxide particles

magnetic

iron oxide

Prior art date

1984-12-28

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

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• 239000002245 particle Substances 0.000 title claims abstract description 125
• 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
• UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 68
• 239000000843 powder Substances 0.000 title abstract description 13
• 150000003839 salts Chemical class 0.000 claims abstract description 16
• -1 carboxylic acid compound Chemical class 0.000 claims abstract description 14
• 239000006185 dispersion Substances 0.000 claims abstract description 14
• ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims abstract description 14
• 238000010438 heat treatment Methods 0.000 claims abstract description 13
• SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 10
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 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 27
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
• 230000001590 oxidative effect Effects 0.000 claims description 3
• 239000007788 liquid Substances 0.000 claims 2
• 230000002776 aggregation Effects 0.000 abstract description 10
• 239000003960 organic solvent Substances 0.000 abstract description 10
• 239000011248 coating agent Substances 0.000 abstract description 9
• 238000000576 coating method Methods 0.000 abstract description 9
• 230000005415 magnetization Effects 0.000 abstract description 8
• 239000002253 acid Substances 0.000 abstract description 3
• PWSXRGRLZKVHLW-UHFFFAOYSA-N 2-phosphonobutanoic acid Chemical compound CCC(C(O)=O)P(O)(O)=O PWSXRGRLZKVHLW-UHFFFAOYSA-N 0.000 abstract description 2
• 150000001875 compounds Chemical class 0.000 abstract 3
• 229960004887 ferric hydroxide Drugs 0.000 abstract 3
• IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 abstract 3
• 238000004220 aggregation Methods 0.000 abstract 1
• 238000012856 packing Methods 0.000 abstract 1
• 238000005245 sintering Methods 0.000 description 14
• 238000000034 method Methods 0.000 description 10
• ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
• 238000005054 agglomeration Methods 0.000 description 9
• 239000003973 paint Substances 0.000 description 8
• 239000004094 surface-active agent Substances 0.000 description 8
• YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
• XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
• 238000006243 chemical reaction Methods 0.000 description 5
• 239000000463 material Substances 0.000 description 4
• GLULCKCBVYGUDD-UHFFFAOYSA-N 2-phosphonobutane-1,1,1-tricarboxylic acid Chemical compound CCC(P(O)(O)=O)C(C(O)=O)(C(O)=O)C(O)=O GLULCKCBVYGUDD-UHFFFAOYSA-N 0.000 description 3
• 229910019142 PO4 Inorganic materials 0.000 description 3
• 239000003513 alkali Substances 0.000 description 3
• 239000006227 byproduct Substances 0.000 description 3
• 230000000052 comparative effect Effects 0.000 description 3
• 230000000694 effects Effects 0.000 description 3
• 235000021317 phosphate Nutrition 0.000 description 3
• 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 3
• UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
• NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
• UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
• 238000005299 abrasion Methods 0.000 description 2
• 239000007864 aqueous solution Substances 0.000 description 2
• 230000007423 decrease Effects 0.000 description 2
• 229910052739 hydrogen Inorganic materials 0.000 description 2
• 239000001257 hydrogen Substances 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 229910052751 metal Inorganic materials 0.000 description 2
• 238000002156 mixing Methods 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• 230000003647 oxidation Effects 0.000 description 2
• 238000007254 oxidation reaction Methods 0.000 description 2
• NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
• 239000010452 phosphate Substances 0.000 description 2
• XUYJLQHKOGNDPB-UHFFFAOYSA-N phosphonoacetic acid Chemical compound OC(=O)CP(O)(O)=O XUYJLQHKOGNDPB-UHFFFAOYSA-N 0.000 description 2
• 239000012266 salt solution Substances 0.000 description 2
• GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 2
• 235000019982 sodium hexametaphosphate Nutrition 0.000 description 2
• 239000000126 substance Substances 0.000 description 2
• 239000000725 suspension Substances 0.000 description 2
• 229910006540 α-FeOOH Inorganic materials 0.000 description 2
• IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
• XQYRPBCOMLASMG-UHFFFAOYSA-N 2-methyl-2-phosphonopropanoic acid Chemical compound OC(=O)C(C)(C)P(O)(O)=O XQYRPBCOMLASMG-UHFFFAOYSA-N 0.000 description 1
• GUXRZQZCNOHHDO-UHFFFAOYSA-N 2-phosphonopropanoic acid Chemical compound OC(=O)C(C)P(O)(O)=O GUXRZQZCNOHHDO-UHFFFAOYSA-N 0.000 description 1
• MOMKYJPSVWEWPM-UHFFFAOYSA-N 4-(chloromethyl)-2-(4-methylphenyl)-1,3-thiazole Chemical compound C1=CC(C)=CC=C1C1=NC(CCl)=CS1 MOMKYJPSVWEWPM-UHFFFAOYSA-N 0.000 description 1
• 238000004438 BET method Methods 0.000 description 1
• 241000238631 Hexapoda Species 0.000 description 1
• OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
• PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
• 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
• 230000002411 adverse Effects 0.000 description 1
• 239000003125 aqueous solvent Substances 0.000 description 1
• 239000002585 base Substances 0.000 description 1
• 239000011230 binding agent Substances 0.000 description 1
• 238000007664 blowing Methods 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 239000002270 dispersing agent Substances 0.000 description 1
• 238000001493 electron microscopy Methods 0.000 description 1
• 238000011049 filling Methods 0.000 description 1
• 230000004907 flux Effects 0.000 description 1
• 239000007789 gas Substances 0.000 description 1
• 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
• NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
• 235000010445 lecithin Nutrition 0.000 description 1
• 229940067606 lecithin Drugs 0.000 description 1
• 239000000787 lecithin Substances 0.000 description 1
• 239000000696 magnetic material Substances 0.000 description 1
• 239000006249 magnetic particle Substances 0.000 description 1
• 238000005259 measurement Methods 0.000 description 1
• NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
• 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
• 229910052698 phosphorus Inorganic materials 0.000 description 1
• 239000011574 phosphorus Substances 0.000 description 1
• 239000002985 plastic film Substances 0.000 description 1
• 229920006255 plastic film Polymers 0.000 description 1
• 229920000139 polyethylene terephthalate Polymers 0.000 description 1
• 239000005020 polyethylene terephthalate Substances 0.000 description 1
• 239000000047 product Substances 0.000 description 1
• 239000004576 sand Substances 0.000 description 1
• FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
• 235000019983 sodium metaphosphate Nutrition 0.000 description 1
• 229940048086 sodium pyrophosphate Drugs 0.000 description 1
• 229910052938 sodium sulfate Inorganic materials 0.000 description 1
• 235000011152 sodium sulphate Nutrition 0.000 description 1
• 239000007858 starting material Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
• 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
• 238000005406 washing Methods 0.000 description 1