KR20020083504A - 페라이트 성형용 과립 제조용 조성물, 성형용 과립의 제조방법 및 그 성형용 과립, 성형체 및 소결체 - Google Patents
페라이트 성형용 과립 제조용 조성물, 성형용 과립의 제조방법 및 그 성형용 과립, 성형체 및 소결체 Download PDFInfo
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- KR20020083504A KR20020083504A KR1020020023134A KR20020023134A KR20020083504A KR 20020083504 A KR20020083504 A KR 20020083504A KR 1020020023134 A KR1020020023134 A KR 1020020023134A KR 20020023134 A KR20020023134 A KR 20020023134A KR 20020083504 A KR20020083504 A KR 20020083504A
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- Prior art keywords
- ferrite
- granules
- molding
- molded body
- molded
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
- H01F1/37—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2625—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing magnesium
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
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- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
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- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/62655—Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
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- C04B35/62605—Treating the starting powders individually or as mixtures
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- C—CHEMISTRY; METALLURGY
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- C04B35/632—Organic additives
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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Abstract
Description
Claims (42)
- 적어도 페라이트 원료 분말과,에틸렌 변성량이 4∼10몰%, 평균 중합도가 500∼1700, 평균 비누화도가 90.0∼99.5몰%인 에틸렌 변성 폴리비닐알코올과,물이 혼합된 페라이트슬러리를 포함하는 것을 특징으로 하는 페라이트 성형용 과립 제조용 조성물.
- 제 1 항에 있어서, 상기 에틸렌 변성 폴리비닐알코올의 평균 비누화도가 92∼97몰%인 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 상기 에틸렌 변성 폴리비닐알코올의 첨가량이, 상기 페라이트 원료 분말 100질량부에 대하여 0.4∼5 질량부인 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 분자량 1000∼6000의 폴리에틸렌 글리콜을 상기 페라이트 원료 분말100 질량부에 대하여 0.1∼0.5 질량부를 더 포함하는 것을 특징으로 하는 조성물.
- 제 1 항에 있어서, 평균 입자경이 1μm 이하의 수분산성 왁스를 상기 페라이트 원료 분말 100 질량부에 대하여 0.1∼1 질량부 더 포함하는 것을 특징으로 하는조성물.
- 페라이트 성형용 과립 제조용의 조성물을 조립하는 페라이트 성형용 과립의 제조 방법으로서, 페라이트 성형용 과립 제조용의 조성물로 청구항 1∼5 중 어느 한 항에 기재된 조성물을 사용하는 것을 특징으로 하는 페라이트 성형용 과립의 제조 방법.
- 제 6 항에 있어서, 상기 페라이트 성형용 과립 제조용의 조성물을 교반 조립기를 이용하여 교반 조립하는 것을 특징으로 하는 방법.
- 제 6 항에 있어서, 상기 페라이트 성형용 과립 제조용의 조성물을 분무조립기로 조립하는 것을 특징으로 하는 방법.
- 제 8 항에 있어서, 상기 분무조립기의 입구 온도 범위 170∼230℃, 또한 출구 온도 범위 65∼125℃의 조립 조건으로 조립하는 것을 특징으로 하는 방법.
- 제 6 항에 기재된 방법에 의해 제조된 페라이트 성형용 과립.
- 제 7 항에 기재된 방법에 의해 제조된 페라이트 성형용 과립.
- 제 8 항에 기재된 방법에 의해 제조된 페라이트 성형용 과립.
- 제 9 항에 기재된 방법에 의해 제조된 페라이트 성형용 과립.
- 제 10 항에 있어서, 표면의 적어도 일부가 친수성/소수성비 14 이하의 고급 지방산인 헥시탄에스테르에 의해 피복된 페라이트 성형용 과립.
- 제 11 항에 있어서, 표면의 적어도 일부가 친수성/소수성비 14 이하의 고급 지방산인 헥시탄에스테르에 의해 피복된 페라이트 성형용 과립.
- 제 12 항에 있어서, 표면의 적어도 일부가 친수성/소수성비 14 이하의 고급 지방산인 헥시탄에스테르에 의해 피복된 페라이트 성형용 과립.
- 제 13 항에 있어서, 표면의 적어도 일부가 친수성/소수성비 14 이하의 고급 지방산인 헥시탄에스테르에 의해 피복된 페라이트 성형용 과립.
- 제 10 항에 기재된 페라이트 성형용 과립을 성형하여 얻어진 페라이트 성형체.
- 제 11 항에 기재된 페라이트 성형용 과립을 성형하여 얻어진 페라이트 성형체.
- 제 12 항에 기재된 페라이트 성형용 과립을 성형하여 얻어진 페라이트 성형체.
- 제 13 항에 기재된 페라이트 성형용 과립을 성형하여 얻어진 페라이트 성형체.
- 제 14 항에 기재된 페라이트 성형용 과립을 성형하여 얻어진 페라이트 성형체.
- 제 15 항에 기재된 페라이트 성형용 과립을 성형하여 얻어진 페라이트 성형체.
- 제 16 항에 기재된 페라이트 성형용 과립을 성형하여 얻어진 페라이트 성형체.
- 제 17 항에 기재된 페라이트 성형용 과립을 성형하여 얻어진 페라이트 성형체.
- 제 18 항에 기재된 페라이트 성형체를 소성하여 얻어진 것을 특징으로 하는 페라이트 소결체.
- 제 19 항에 기재된 페라이트 성형체를 소성하여 얻어진 것을 특징으로 하는 페라이트 소결체.
- 제 20 항에 기재된 페라이트 성형체를 소성하여 얻어진 것을 특징으로 하는 페라이트 소결체.
- 제 21 항에 기재된 페라이트 성형체를 소성하여 얻어진 것을 특징으로 하는 페라이트 소결체.
- 제 22 항에 기재된 페라이트 성형체를 소성하여 얻어진 것을 특징으로 하는 페라이트 소결체.
- 제 23 항에 기재된 페라이트 성형체를 소성하여 얻어진 것을 특징으로 하는 페라이트 소결체.
- 제 24 항에 기재된 페라이트 성형체를 소성하여 얻어진 것을 특징으로 하는 페라이트 소결체.
- 제 25 항에 기재된 페라이트 성형체를 소성하여 얻어진 것을 특징으로 하는 페라이트 소결체.
- 페라이트 성형용 과립 제조용의 조성물을 조립하는 페라이트 성형용 과립의 제조 방법으로서, 페라이트 성형용 과립 제조용의 조성물로서 제 2 항에 기재된 조성물을 사용하는 것을 특징으로 하는 페라이트 성형용 과립의 제조 방법.
- 제 34 항에 있어서, 상기 페라이트 성형용 과립 제조용의 조성물을 교반 조립기를 이용하여 교반 조립하는 것을 특징으로 하는 방법.
- 제 34 항에 있어서, 상기 페라이트 성형용 과립 제조용의 조성물을 분무조립기로 조립하는 것을 특징으로 하는 방법.
- 제 36 항에 있어서, 상기 분무조립기의 입구 온도 범위 170∼230℃, 또한 출구 온도 범위 65∼125℃의 조립 조건으로 조립하는 것을 특징으로 하는 방법.
- 제 34 내지 37 중 어느 한 항에 기재된 방법에 의해 제조된 페라이트 성형용 과립.
- 제 38 항에 있어서, 표면의 적어도 일부가 친수성/소수성비 14 이하의 고급 지방산인 헥시탄에스테르에 의해 피복된 페라이트 성형용 과립.
- 제 38 항에 기재된 페라이트 성형용 과립을 성형하여 얻어진 페라이트 성형체.
- 제 40 항에 기재된 페라이트 성형체를 소결하여 얻어진 페라이트 소결체.
- 제 41 항에 있어서, 흡수율 0.2 질량% 이하인 것을 특징으로 하는 페라이트 소결체.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2001-00131470 | 2001-04-27 | ||
JP2001131470A JP2002321984A (ja) | 2001-04-27 | 2001-04-27 | フェライト成形用顆粒の製造方法並びにその成形用顆粒、成形体および焼結体 |
JP2001131472A JP2002329607A (ja) | 2001-04-27 | 2001-04-27 | フェライト焼結体及びその製造方法とその成形用顆粒 |
JPJP-P-2001-00131471 | 2001-04-27 | ||
JPJP-P-2001-00131472 | 2001-04-27 | ||
JP2001131471A JP2002329606A (ja) | 2001-04-27 | 2001-04-27 | フェライト焼結体およびその製造方法とフェライト成形用顆粒 |
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KR20020083504A true KR20020083504A (ko) | 2002-11-02 |
KR100473295B1 KR100473295B1 (ko) | 2005-03-08 |
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KR10-2002-0023134A KR100473295B1 (ko) | 2001-04-27 | 2002-04-26 | 페라이트 성형용 과립 제조용 조성물, 성형용 과립의 제조방법 및 그 성형용 과립, 성형체 및 소결체 |
Country Status (4)
Country | Link |
---|---|
US (2) | US6852245B2 (ko) |
KR (1) | KR100473295B1 (ko) |
CN (1) | CN1232992C (ko) |
TW (1) | TW579531B (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW579531B (en) * | 2001-04-27 | 2004-03-11 | Tdk Corp | Process for producing granules for being molded into ferrite, granules for being molded into ferrite, green body and sintered body |
GB0512666D0 (en) * | 2005-06-22 | 2005-07-27 | Univ Loughborough | Method for concentrating nanosuspensions |
EP2131373B1 (de) * | 2008-06-05 | 2016-11-02 | TRIDELTA Weichferrite GmbH | Weichmagnetischer Werkstoff und Verfahren zur Herstellung von Gegenständen aus diesem weichmagnetischen Werkstoff |
GB2464473B (en) * | 2008-10-15 | 2012-09-12 | Univ Loughborough | Deformable granule production |
US9409825B2 (en) | 2013-08-20 | 2016-08-09 | Los Alamos National Security, Llc | Granulation of fine powder |
JP6273869B2 (ja) * | 2014-01-31 | 2018-02-07 | セイコーエプソン株式会社 | 成形体の製造方法および構造体の製造方法 |
JP6844225B2 (ja) * | 2016-11-30 | 2021-03-17 | セイコーエプソン株式会社 | 焼結用粉末および焼結体の製造方法 |
CN107721404A (zh) * | 2017-11-10 | 2018-02-23 | 北矿磁材科技有限公司 | 用于制造多极转子的干压异性磁粉、其制备方法以及由其制得的永磁铁氧体 |
CN111233453A (zh) * | 2020-03-09 | 2020-06-05 | 绠$兢 | 一种干压异性铁氧体环保磁粉的制法 |
CN111863367B (zh) * | 2020-08-04 | 2024-09-10 | 山东东泰方思电子有限公司 | 一种锰锌铁氧体磁芯的制造方法 |
CN112837881B (zh) * | 2021-02-08 | 2024-03-22 | 浙江工业大学 | 一种高流动性注射成型烧结镍锌铁氧体颗粒料及其制备方法 |
Family Cites Families (20)
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US3860524A (en) | 1969-12-29 | 1975-01-14 | Spang Ind Inc | High permeability manganese-zinc ferrites |
JPS59128265A (ja) * | 1983-01-14 | 1984-07-24 | 株式会社クラレ | 高強度セラミツク成形体の製造法 |
JPS62182150A (ja) * | 1986-02-06 | 1987-08-10 | ユニチカケミカル株式会社 | セラミツクス成形体の製造方法 |
JPH06289225A (ja) | 1993-04-05 | 1994-10-18 | Kuraray Co Ltd | 偏光膜の製造法 |
US6174453B1 (en) * | 1998-10-02 | 2001-01-16 | Tdk Corporation | High-density ferrite member and ferrite beads composition therefor |
CA2291217C (en) * | 1998-12-09 | 2004-09-21 | Kuraray Co., Ltd. | Vinyl alcohol polymer and its composition |
JP4381538B2 (ja) * | 1999-01-22 | 2009-12-09 | 株式会社クラレ | セラミックス成形用バインダー |
JP3735228B2 (ja) | 1999-03-09 | 2006-01-18 | Tdk株式会社 | 軟磁性フェライト粉末の製造方法および積層チップインダクタの製造方法 |
JP4080636B2 (ja) * | 1999-04-15 | 2008-04-23 | 日本酢ビ・ポバール株式会社 | セラミックス用バインダー |
JP3182648B2 (ja) | 1999-05-12 | 2001-07-03 | ティーディーケイ株式会社 | セラミック成形体の成形用のセラミック顆粒、その製造または処理方法、セラミック成形体およびその製造方法 |
JP2001057309A (ja) | 1999-08-19 | 2001-02-27 | Tdk Corp | 酸化物磁性材料とチップ部品と酸化物磁性材料の製造方法とチップ部品の製造方法 |
JP2001085216A (ja) | 1999-09-17 | 2001-03-30 | Tdk Corp | 酸化物磁性材料とチップ部品と酸化物磁性材料の製造方法とチップ部品の製造方法 |
JP4311827B2 (ja) | 1999-09-17 | 2009-08-12 | Tdk株式会社 | 酸化物磁性材料とチップ部品と酸化物磁性材料の製造方法とチップ部品の製造方法 |
TW479003B (en) * | 1999-08-24 | 2002-03-11 | Tdk Corp | Granule for forming ferrite body, ferrite sintered product and production method thereof |
JP3361780B2 (ja) * | 1999-08-24 | 2003-01-07 | ティーディーケイ株式会社 | フェライト成形用顆粒およびその成形体 |
JP3409183B2 (ja) * | 1999-11-04 | 2003-05-26 | ティーディーケイ株式会社 | フェライト成形用顆粒並びにその成形体および焼結体の製造方法 |
JP4864190B2 (ja) | 1999-11-11 | 2012-02-01 | 株式会社クラレ | セラミックス成形用バインダー |
JP4361659B2 (ja) * | 2000-02-22 | 2009-11-11 | 株式会社クラレ | セラミックス成形用バインダー |
JP3361502B2 (ja) * | 2000-03-21 | 2003-01-07 | ティーディーケイ株式会社 | 磁性材料、その成形体、それを用いて得られる高密度フェライト電子部品及びそれらの製造方法 |
TW579531B (en) * | 2001-04-27 | 2004-03-11 | Tdk Corp | Process for producing granules for being molded into ferrite, granules for being molded into ferrite, green body and sintered body |
-
2002
- 2002-04-22 TW TW091108193A patent/TW579531B/zh not_active IP Right Cessation
- 2002-04-26 CN CNB021183996A patent/CN1232992C/zh not_active Expired - Fee Related
- 2002-04-26 US US10/132,242 patent/US6852245B2/en not_active Expired - Fee Related
- 2002-04-26 KR KR10-2002-0023134A patent/KR100473295B1/ko not_active IP Right Cessation
-
2004
- 2004-12-07 US US11/005,046 patent/US20050098760A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
TW579531B (en) | 2004-03-11 |
US20020190236A1 (en) | 2002-12-19 |
CN1232992C (zh) | 2005-12-21 |
US6852245B2 (en) | 2005-02-08 |
KR100473295B1 (ko) | 2005-03-08 |
CN1384511A (zh) | 2002-12-11 |
US20050098760A1 (en) | 2005-05-12 |
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