JPH0430723B2 - - Google Patents
Info
- Publication number
- JPH0430723B2 JPH0430723B2 JP59000552A JP55284A JPH0430723B2 JP H0430723 B2 JPH0430723 B2 JP H0430723B2 JP 59000552 A JP59000552 A JP 59000552A JP 55284 A JP55284 A JP 55284A JP H0430723 B2 JPH0430723 B2 JP H0430723B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- ferrite
- degreasing
- molded product
- 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.)
- Expired - Lifetime
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims description 34
- 238000005238 degreasing Methods 0.000 claims description 29
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 15
- 239000004925 Acrylic resin Substances 0.000 claims description 11
- 229920000178 Acrylic resin Polymers 0.000 claims description 11
- 238000010304 firing Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 239000004793 Polystyrene Substances 0.000 claims description 7
- 239000004014 plasticizer Substances 0.000 claims description 7
- 229920002223 polystyrene Polymers 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920005992 thermoplastic resin Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 238000000465 moulding Methods 0.000 description 15
- 239000011230 binding agent Substances 0.000 description 12
- 238000005979 thermal decomposition reaction Methods 0.000 description 10
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 8
- 235000021355 Stearic acid Nutrition 0.000 description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 8
- 239000008117 stearic acid Substances 0.000 description 8
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 7
- 229910001047 Hard ferrite Inorganic materials 0.000 description 3
- 229910018605 Ni—Zn Inorganic materials 0.000 description 3
- 229910001035 Soft ferrite Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920001490 poly(butyl methacrylate) polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000283153 Cetacea Species 0.000 description 1
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001483 poly(ethyl methacrylate) polymer Polymers 0.000 description 1
- 229920000120 polyethyl acrylate Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01F1/032—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 hard-magnetic materials
- H01F1/10—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
- H01F1/113—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 hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59000552A JPS60144905A (ja) | 1984-01-06 | 1984-01-06 | フェライト成形品の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59000552A JPS60144905A (ja) | 1984-01-06 | 1984-01-06 | フェライト成形品の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60144905A JPS60144905A (ja) | 1985-07-31 |
| JPH0430723B2 true JPH0430723B2 (US08063081-20111122-C00044.png) | 1992-05-22 |
Family
ID=11476882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59000552A Granted JPS60144905A (ja) | 1984-01-06 | 1984-01-06 | フェライト成形品の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60144905A (US08063081-20111122-C00044.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6274939B1 (en) * | 1998-09-11 | 2001-08-14 | American Electronic Components | Resin ceramic compositions having magnetic properties |
| JP3632020B2 (ja) * | 2001-10-24 | 2005-03-23 | Ｔｄｋ株式会社 | 酸化物磁性材料系永久磁石の製造方法 |
| JP4685893B2 (ja) * | 2008-03-31 | 2011-05-18 | Ｔｄｋ株式会社 | 焼結磁石の製造方法 |
| JP5790212B2 (ja) * | 2011-07-01 | 2015-10-07 | Tdk株式会社 | 射出成形用組成物およびその製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50139995A (US08063081-20111122-C00044.png) * | 1974-04-26 | 1975-11-10 | ||
| JPS58176167A (ja) * | 1982-04-07 | 1983-10-15 | 日本高圧電気株式会社 | 成形に適した低温焼成磁器用組成物 |
-
1984
- 1984-01-06 JP JP59000552A patent/JPS60144905A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50139995A (US08063081-20111122-C00044.png) * | 1974-04-26 | 1975-11-10 | ||
| JPS58176167A (ja) * | 1982-04-07 | 1983-10-15 | 日本高圧電気株式会社 | 成形に適した低温焼成磁器用組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60144905A (ja) | 1985-07-31 |
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