JP5285840B2 - 軟磁性シート - Google Patents
軟磁性シート Download PDFInfo
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- JP5285840B2 JP5285840B2 JP2006089025A JP2006089025A JP5285840B2 JP 5285840 B2 JP5285840 B2 JP 5285840B2 JP 2006089025 A JP2006089025 A JP 2006089025A JP 2006089025 A JP2006089025 A JP 2006089025A JP 5285840 B2 JP5285840 B2 JP 5285840B2
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- JP
- Japan
- Prior art keywords
- soft magnetic
- polyester resin
- magnetic sheet
- weight
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- Prior art date
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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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
- H01F1/14—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 metals or alloys
- H01F1/20—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 metals or alloys in the form of particles, e.g. powder
- H01F1/22—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/24—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
- H01F1/26—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Soft Magnetic Materials (AREA)
Description
Claims (5)
- 少なくともポリエステル樹脂と、扁平な軟磁性粉末と、前記ポリエステル樹脂に分散するように、前記ポリエステル樹脂の重量に対して、7/13以下の重量で添加された分散粒子とを含有し、面内厚みのばらつきが5%以下である軟磁性シートであって、
前記分散粒子は、前記ポリエステル樹脂に相溶しない難燃剤であるメラミンシアヌレートであり、
前記ポリエステル樹脂は、ガラス転移温度が−20℃〜40℃であるリン内添ポリエステル樹脂であり、反応開始温度が120℃より高い架橋剤であるブロックイソシアネートにより架橋されていることを特徴とする軟磁性シート。 - 少なくともポリエステル樹脂と、扁平な軟磁性粉末と、前記ポリエステル樹脂に分散するように、前記ポリエステル樹脂の重量に対して、7/13以下の重量で添加された、粒径が0.01μm〜15μmである分散粒子とを含有し、面内厚みのばらつきが5%以下である軟磁性シートであって、
前記分散粒子は、前記ポリエステル樹脂に相溶しない難燃剤であるメラミンシアヌレートであり、
前記ポリエステル樹脂は、ガラス転移温度が−20℃〜40℃であるリン内添ポリエステル樹脂であり、反応開始温度が120℃より高い架橋剤であるブロックイソシアネートにより架橋されていることを特徴とする軟磁性シート。 - 前記リン内添ポリエステル樹脂は、分子中にリン酸残基を有し、前記リン内添ポリエステル樹脂に対するリン含有率が0.5重量%〜4.0重量%であることを特徴とする請求項1又は請求項2記載の軟磁性シート。
- 前記ポリエステル樹脂に対する前記ブロックイソシアネートの配合量は、0.5重量%以上であることを特徴とする請求項1乃至請求項3の何れか1項記載の軟磁性シート。
- 前記ブロックイソシアネートの反応開始温度は、120℃〜160℃であることを特徴とする請求項4項記載の軟磁性シート。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006089025A JP5285840B2 (ja) | 2006-03-28 | 2006-03-28 | 軟磁性シート |
PCT/JP2006/321016 WO2007110990A1 (ja) | 2006-03-28 | 2006-10-23 | 軟磁性シート |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006089025A JP5285840B2 (ja) | 2006-03-28 | 2006-03-28 | 軟磁性シート |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007262231A JP2007262231A (ja) | 2007-10-11 |
JP5285840B2 true JP5285840B2 (ja) | 2013-09-11 |
Family
ID=38540927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006089025A Active JP5285840B2 (ja) | 2006-03-28 | 2006-03-28 | 軟磁性シート |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5285840B2 (ja) |
WO (1) | WO2007110990A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013021039A1 (en) * | 2011-08-11 | 2013-02-14 | Basf Se | Microwave absorbing composition |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3360650B2 (ja) * | 1998-05-19 | 2002-12-24 | ソニーケミカル株式会社 | 難燃性熱接着剤及びそれを用いる難燃性接着フィルム並びにフラットケーブル |
JP2000101284A (ja) * | 1998-09-24 | 2000-04-07 | Sony Corp | 電磁波吸収体およびその製造方法 |
JP3438611B2 (ja) * | 1998-10-06 | 2003-08-18 | ソニーケミカル株式会社 | 難燃性接着フィルム及びフラットケーブル |
JP2001011418A (ja) * | 1999-06-28 | 2001-01-16 | Sony Chem Corp | 難燃性接着剤及びそれを用いる難燃性接着フィルム |
JP3655582B2 (ja) * | 2000-12-08 | 2005-06-02 | 三井化学株式会社 | エポキシ樹脂組成物及びそれを用いた電磁波遮蔽・吸収材料 |
JP2003229694A (ja) * | 2002-02-05 | 2003-08-15 | Sony Corp | 電磁波吸収体およびその製造方法 |
JP2005236219A (ja) * | 2004-02-23 | 2005-09-02 | Daido Steel Co Ltd | 複合磁性シート |
JP2006032929A (ja) * | 2004-06-14 | 2006-02-02 | Nitta Ind Corp | 電磁干渉抑制体、これを用いる電磁障害抑制方法、およびrf‐idデバイス |
JP4811607B2 (ja) * | 2005-07-26 | 2011-11-09 | ソニーケミカル&インフォメーションデバイス株式会社 | 軟磁性材料 |
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2006
- 2006-03-28 JP JP2006089025A patent/JP5285840B2/ja active Active
- 2006-10-23 WO PCT/JP2006/321016 patent/WO2007110990A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2007110990A1 (ja) | 2007-10-04 |
JP2007262231A (ja) | 2007-10-11 |
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