FR3115039B1 - Composition magnétique comprenant une résine de copolymères à blocs polyamides et à blocs polyéthers - Google Patents
Composition magnétique comprenant une résine de copolymères à blocs polyamides et à blocs polyéthers Download PDFInfo
- Publication number
- FR3115039B1 FR3115039B1 FR2010449A FR2010449A FR3115039B1 FR 3115039 B1 FR3115039 B1 FR 3115039B1 FR 2010449 A FR2010449 A FR 2010449A FR 2010449 A FR2010449 A FR 2010449A FR 3115039 B1 FR3115039 B1 FR 3115039B1
- Authority
- FR
- France
- Prior art keywords
- copolymer resin
- magnetic composition
- block copolymer
- polyamide
- polyether
- 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.)
- Active
Links
- 239000004952 Polyamide Substances 0.000 title abstract 2
- 239000004721 Polyphenylene oxide Substances 0.000 title abstract 2
- 229920001400 block copolymer Polymers 0.000 title abstract 2
- 229920002647 polyamide Polymers 0.000 title abstract 2
- 229920000570 polyether Polymers 0.000 title abstract 2
- 229920005989 resin Polymers 0.000 title abstract 2
- 239000011347 resin Substances 0.000 title abstract 2
- 239000006249 magnetic particle Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
Classifications
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
-
- 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
- H01F1/04—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 metals or alloys
- H01F1/06—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 metals or alloys in the form of particles, e.g. powder
- H01F1/08—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/083—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/12—Polyester-amides
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/40—Polyamides containing oxygen in the form of ether groups
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/12—Polyester-amides
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/01—Magnetic additives
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
La présente invention concerne une composition magnétique comprenant une résine de copolymère à blocs polyamides et à blocs polyéthers, dans laquelle les particules magnétiques sont dispersées. La présente invention concerne également son procédé de préparation, et son utilisation pour la fabrication d’un aimant, en particulier utilisable pour l’application électronique ou électrique (smartphone, tablette…), pour le sport, l’automobile ou l’industriel.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2010449A FR3115039B1 (fr) | 2020-10-13 | 2020-10-13 | Composition magnétique comprenant une résine de copolymères à blocs polyamides et à blocs polyéthers |
PCT/FR2021/051775 WO2022079387A1 (fr) | 2020-10-13 | 2021-10-13 | Composition magnétique comprenant une résine de copolymères à blocs polyamides et à blocs polyéthers |
US18/248,807 US20230383096A1 (en) | 2020-10-13 | 2021-10-13 | Magnetic composition comprising a resin consisting of copolymers containing polyamide blocks and polyether blocks |
KR1020237015836A KR20230087537A (ko) | 2020-10-13 | 2021-10-13 | 폴리아미드 블록 및 폴리에테르 블록을 함유하는 코폴리머로 구성된 수지를 포함하는 자성 조성물 |
CN202180070278.4A CN116325032A (zh) | 2020-10-13 | 2021-10-13 | 包含由含有聚酰胺嵌段和聚醚嵌段的共聚物组成的树脂的磁性组合物 |
JP2023522398A JP2023544887A (ja) | 2020-10-13 | 2021-10-13 | ポリアミドブロック及びポリエーテルブロックを含有する共重合体からなる樹脂を含む磁性組成物 |
EP21807172.8A EP4229133A1 (fr) | 2020-10-13 | 2021-10-13 | Composition magnétique comprenant une résine de copolymères à blocs polyamides et à blocs polyéthers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2010449A FR3115039B1 (fr) | 2020-10-13 | 2020-10-13 | Composition magnétique comprenant une résine de copolymères à blocs polyamides et à blocs polyéthers |
FR2010449 | 2020-10-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3115039A1 FR3115039A1 (fr) | 2022-04-15 |
FR3115039B1 true FR3115039B1 (fr) | 2023-11-10 |
Family
ID=74553918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR2010449A Active FR3115039B1 (fr) | 2020-10-13 | 2020-10-13 | Composition magnétique comprenant une résine de copolymères à blocs polyamides et à blocs polyéthers |
Country Status (7)
Country | Link |
---|---|
US (1) | US20230383096A1 (fr) |
EP (1) | EP4229133A1 (fr) |
JP (1) | JP2023544887A (fr) |
KR (1) | KR20230087537A (fr) |
CN (1) | CN116325032A (fr) |
FR (1) | FR3115039B1 (fr) |
WO (1) | WO2022079387A1 (fr) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0457302A (ja) * | 1990-06-27 | 1992-02-25 | Yamauchi Corp | ボンド磁石およびその製造法 |
US5652326A (en) | 1993-03-03 | 1997-07-29 | Sanyo Chemical Industries, Ltd. | Polyetheresteramide and antistatic resin composition |
US6346565B1 (en) | 1999-07-02 | 2002-02-12 | Bridgestone Corporation | Synthetic resin composition for resin magnet, molded resin magnet, and production process for synthetic resin composition |
AU2002244343A1 (en) | 2000-10-13 | 2002-04-29 | Bridgestone Corporation | Composition for synthetic resin composition and formed resin magnet |
US6590065B1 (en) | 2001-12-10 | 2003-07-08 | E. I. Du Pont De Nemours And Company | Polytrimethylene ether ester amide and use thereof |
FR2846332B1 (fr) | 2002-10-23 | 2004-12-03 | Atofina | Copolymeres transparents a blocs polyamides et blocs polyethers |
US7863365B2 (en) * | 2006-12-20 | 2011-01-04 | Freudenberg-Nok General Partnership | Robust magnetizable elastomeric thermoplastic blends |
US8543356B2 (en) | 2008-01-24 | 2013-09-24 | National Institute Of Standards And Technology | Low cost multi-channel data acquisition system |
JP5979733B2 (ja) | 2014-07-24 | 2016-08-31 | 住友金属鉱山株式会社 | ボンド磁石用組成物及びボンド磁石、並びに一体成形部品 |
FR3058918B1 (fr) * | 2016-11-18 | 2021-01-01 | Arkema France | Composition de poudre frittable magnetique et objets tridimensionnels fabriques par frittage d'une telle composition |
-
2020
- 2020-10-13 FR FR2010449A patent/FR3115039B1/fr active Active
-
2021
- 2021-10-13 EP EP21807172.8A patent/EP4229133A1/fr active Pending
- 2021-10-13 CN CN202180070278.4A patent/CN116325032A/zh active Pending
- 2021-10-13 JP JP2023522398A patent/JP2023544887A/ja active Pending
- 2021-10-13 US US18/248,807 patent/US20230383096A1/en active Pending
- 2021-10-13 KR KR1020237015836A patent/KR20230087537A/ko unknown
- 2021-10-13 WO PCT/FR2021/051775 patent/WO2022079387A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR20230087537A (ko) | 2023-06-16 |
EP4229133A1 (fr) | 2023-08-23 |
US20230383096A1 (en) | 2023-11-30 |
JP2023544887A (ja) | 2023-10-25 |
CN116325032A (zh) | 2023-06-23 |
WO2022079387A1 (fr) | 2022-04-21 |
FR3115039A1 (fr) | 2022-04-15 |
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