JPH0569048B2 - - Google Patents

Info

Publication number: JPH0569048B2
Authority: JP; Japan
Prior art keywords: particles; iron oxide; zinc; magnetic; oxide powder
Prior art date: 1988-12-01
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

Application number

JP63305051A

Other languages

English (en)

Japanese (ja)

Other versions

JPH02149428A (ja

Inventor

Arata Koyama

Makoto Ogasawara

Shigeru Takatori

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Ishihara Sangyo Kaisha Ltd

Original Assignee

Ishihara Sangyo Kaisha Ltd

Priority date (The priority date 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 date listed.)

1988-12-01

Filing date

1988-12-01

Publication date

1993-09-30

1988-12-01 Application filed by Ishihara Sangyo Kaisha Ltd filed Critical Ishihara Sangyo Kaisha Ltd

1988-12-01 Priority to JP63305051A priority Critical patent/JPH02149428A/ja

1989-11-21 Priority to DE68923156T priority patent/DE68923156T2/de

1989-11-21 Priority to EP89121551A priority patent/EP0371384B1/de

1989-11-28 Priority to US07/442,223 priority patent/US5041307A/en

1989-12-01 Priority to KR1019890017750A priority patent/KR0125939B1/ko

1990-06-08 Publication of JPH02149428A publication Critical patent/JPH02149428A/ja

1993-09-30 Publication of JPH0569048B2 publication Critical patent/JPH0569048B2/ja

Status Granted legal-status Critical Current

Links

UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 78
239000002245 particle Substances 0.000 claims description 65
230000005291 magnetic effect Effects 0.000 claims description 48
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 35
239000011701 zinc Substances 0.000 claims description 34
239000000843 powder Substances 0.000 claims description 32
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 28
229910052725 zinc Inorganic materials 0.000 claims description 28
230000005415 magnetization Effects 0.000 claims description 26
239000012298 atmosphere Substances 0.000 claims description 23
238000010438 heat treatment Methods 0.000 claims description 17
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 15
230000005294 ferromagnetic effect Effects 0.000 claims description 13
PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 12
150000001869 cobalt compounds Chemical class 0.000 claims description 12
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
238000011282 treatment Methods 0.000 claims description 9
239000013078 crystal Substances 0.000 claims description 8
-1 ferrous compound Chemical class 0.000 claims description 8
238000004519 manufacturing process Methods 0.000 claims description 7
230000001590 oxidative effect Effects 0.000 claims description 6
238000007654 immersion Methods 0.000 claims description 4
239000002253 acid Substances 0.000 claims description 3
230000005389 magnetism Effects 0.000 claims 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
230000000052 comparative effect Effects 0.000 description 21
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
239000007864 aqueous solution Substances 0.000 description 15
238000000034 method Methods 0.000 description 15
239000000243 solution Substances 0.000 description 10
238000003756 stirring Methods 0.000 description 9
NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 9
229910000368 zinc sulfate Inorganic materials 0.000 description 9
229960001763 zinc sulfate Drugs 0.000 description 9
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
239000010941 cobalt Substances 0.000 description 6
229910017052 cobalt Inorganic materials 0.000 description 6
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 6
239000006247 magnetic powder Substances 0.000 description 6
239000000463 material Substances 0.000 description 6
230000002378 acidificating effect Effects 0.000 description 5
238000001035 drying Methods 0.000 description 5
238000001914 filtration Methods 0.000 description 5
239000000203 mixture Substances 0.000 description 5
238000005406 washing Methods 0.000 description 5
229910006540 α-FeOOH Inorganic materials 0.000 description 5
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
229910001566 austenite Inorganic materials 0.000 description 4
230000007423 decrease Effects 0.000 description 4
229910001873 dinitrogen Inorganic materials 0.000 description 4
230000000694 effects Effects 0.000 description 4
AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 4
LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 description 4
239000006249 magnetic particle Substances 0.000 description 4
238000005245 sintering Methods 0.000 description 4
150000003752 zinc compounds Chemical class 0.000 description 4
229910000859 α-Fe Inorganic materials 0.000 description 4
ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
239000007900 aqueous suspension Substances 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
239000011790 ferrous sulphate Substances 0.000 description 3
235000003891 ferrous sulphate Nutrition 0.000 description 3
229910052595 hematite Inorganic materials 0.000 description 3
239000011019 hematite Substances 0.000 description 3
BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
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 3
229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
229910021645 metal ion Inorganic materials 0.000 description 3
239000003973 paint Substances 0.000 description 3
229910052698 phosphorus Inorganic materials 0.000 description 3
239000011574 phosphorus Substances 0.000 description 3
239000007858 starting material Substances 0.000 description 3
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
239000003513 alkali Substances 0.000 description 2
229910052782 aluminium Inorganic materials 0.000 description 2
239000002585 base Substances 0.000 description 2
238000007664 blowing Methods 0.000 description 2
239000011575 calcium Substances 0.000 description 2
229910052791 calcium Inorganic materials 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000000576 coating method Methods 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
230000004907 flux Effects 0.000 description 2
229910052598 goethite Inorganic materials 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
235000011007 phosphoric acid Nutrition 0.000 description 2
239000002244 precipitate Substances 0.000 description 2
150000003377 silicon compounds Chemical class 0.000 description 2
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
238000002441 X-ray diffraction Methods 0.000 description 1
238000011276 addition treatment Methods 0.000 description 1
239000003570 air Substances 0.000 description 1
229910001854 alkali hydroxide Inorganic materials 0.000 description 1
150000008044 alkali metal hydroxides Chemical class 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
229920006026 co-polymeric resin Polymers 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
230000018044 dehydration Effects 0.000 description 1
238000006297 dehydration reaction Methods 0.000 description 1
239000002270 dispersing agent Substances 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
229910052734 helium Inorganic materials 0.000 description 1
239000001307 helium Substances 0.000 description 1
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
230000010365 information processing Effects 0.000 description 1
239000003112 inhibitor Substances 0.000 description 1
150000002506 iron compounds Chemical class 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
239000011572 manganese Substances 0.000 description 1
230000029052 metamorphosis Effects 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
150000002823 nitrates Chemical class 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
239000012299 nitrogen atmosphere Substances 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
229920006267 polyester film Polymers 0.000 description 1
239000002243 precursor Substances 0.000 description 1
239000000047 product Substances 0.000 description 1
239000002994 raw material Substances 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
239000002002 slurry Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
POWFTOSLLWLEBN-UHFFFAOYSA-N tetrasodium;silicate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])[O-] POWFTOSLLWLEBN-UHFFFAOYSA-N 0.000 description 1
229910052718 tin Inorganic materials 0.000 description 1
239000011135 tin Substances 0.000 description 1
229910021655 trace metal ion Inorganic materials 0.000 description 1
239000011787 zinc oxide Substances 0.000 description 1

Landscapes

Compounds Of Iron (AREA)
Hard Magnetic Materials (AREA)

JP63305051A 1988-12-01 1988-12-01 磁気記録用強磁性酸化鉄粉末の製造方法 Granted JPH02149428A (ja)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
JP63305051A JPH02149428A (ja)	1988-12-01	1988-12-01	磁気記録用強磁性酸化鉄粉末の製造方法
DE68923156T DE68923156T2 (de)	1988-12-01	1989-11-21	Verfahren zur Herstellung von magnetischen Eisenoxidteilchen für magnetische Aufzeichnung.
EP89121551A EP0371384B1 (de)	1988-12-01	1989-11-21	Verfahren zur Herstellung von magnetischen Eisenoxidteilchen für magnetische Aufzeichnung
US07/442,223 US5041307A (en)	1988-12-01	1989-11-28	Process for producing magnetic iron oxide particles for magnetic recording
KR1019890017750A KR0125939B1 (ko)	1988-12-01	1989-12-01	자기 기록용 자기 산화철 입자의 제조방법

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP63305051A JPH02149428A (ja)	1988-12-01	1988-12-01	磁気記録用強磁性酸化鉄粉末の製造方法

Publications (2)

Publication Number	Publication Date
JPH02149428A JPH02149428A (ja)	1990-06-08
JPH0569048B2 true JPH0569048B2 (de)	1993-09-30

Family

ID=17940524

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP63305051A Granted JPH02149428A (ja)	1988-12-01	1988-12-01	磁気記録用強磁性酸化鉄粉末の製造方法

Country Status (1)

Country	Link
JP (1)	JPH02149428A (de)

1988
- 1988-12-01 JP JP63305051A patent/JPH02149428A/ja active Granted

Also Published As

Publication number	Publication date
JPH02149428A (ja)	1990-06-08

Legal Events

Date	Code	Title	Description
2008-07-03	FPAY	Renewal fee payment (event date is renewal date of database)	Free format text: PAYMENT UNTIL: 20080930 Year of fee payment: 15
2008-07-08	FPAY	Renewal fee payment (event date is renewal date of database)	Free format text: PAYMENT UNTIL: 20090930 Year of fee payment: 16
2008-12-01	EXPY	Cancellation because of completion of term
2009-02-10	FPAY	Renewal fee payment (event date is renewal date of database)	Free format text: PAYMENT UNTIL: 20090930 Year of fee payment: 16

Publication	Publication Date	Title
US5645652A (en)	1997-07-08	Spindle-shaped magnetic iron-based alloy particles containing cobalt and iron as the main ingredients and process for producing the same
US5466306A (en)	1995-11-14	Spindle-shaped magnetic iron based alloy particles
JPH0722224A (ja)	1995-01-24	強磁性金属粉末
JP3087825B2 (ja)	2000-09-11	紡錘状ゲータイト粒子粉末及びその製造法並びに該ゲータイト粒子粉末を出発原料として得られる鉄を主成分とする紡錘状金属磁性粒子粉末及びその製造法
JP3337046B2 (ja)	2002-10-21	コバルトと鉄とを主成分とする紡錘状金属磁性粒子粉末及びその製造法
JPH10245233A (ja)	1998-09-14	紡錘状ヘマタイト粒子粉末及びその製造法並びに該ヘマタイト粒子粉末を出発原料として得られる鉄を主成分とする紡錘状金属磁性粒子粉末及びその製造法
JP3427871B2 (ja)	2003-07-22	コバルト被着型針状磁性酸化鉄粒子粉末
KR0169491B1 (ko)	1999-01-15	침상의 강자성 산화철분말, 침상의 자성 산화철분말 및, 이들의 제조방법
JPS6411577B2 (de)	1989-02-27
JPH0569048B2 (de)	1993-09-30
US5989516A (en)	1999-11-23	Spindle-shaped geothite particles
JP3092649B2 (ja)	2000-09-25	鉄を主成分とする紡錘状金属磁性粒子粉末の製造法
JPH0647681B2 (ja)	1994-06-22	紡錘形状を呈した鉄を主成分とする金属磁性粒子粉末及びその製造法
JP3303896B2 (ja)	2002-07-22	紡錘状を呈した鉄を主成分とする金属磁性粒子粉末及びその製造法
JP2965606B2 (ja)	1999-10-18	金属磁性粉末の製造方法
JP2740922B2 (ja)	1998-04-15	磁気記録材料用金属磁性粉末の製造方法
JP2933397B2 (ja)	1999-08-09	磁気記録用強磁性酸化鉄粉末の製造方法
JP2945458B2 (ja)	1999-09-06	針状強磁性酸化鉄粉末及びその製造方法
JP2897794B2 (ja)	1999-05-31	コバルト被着型磁性酸化鉄粒子粉末の製造法
JP3087808B2 (ja)	2000-09-11	磁気記録用磁性粒子粉末の製造法
JPH0574533B2 (de)	1993-10-18
JP3171223B2 (ja)	2001-05-28	針状磁性粒子粉末の製造法
JP3095041B2 (ja)	2000-10-03	鉄を主成分とする針状金属磁性粒子粉末の製造法
JPH0463210A (ja)	1992-02-28	紡錘形を呈した鉄を主成分とする金属磁性粒子粉末の製造法
JP3141907B2 (ja)	2001-03-07	紡錘状を呈した鉄を主成分とする金属磁性粒子粉末の製造法