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 PDF

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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
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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
Application number
FR2010449A
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English (en)
Other versions
FR3115039A1 (fr
Inventor
Quentin Pineau
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.)
Arkema France SA
Original Assignee
Arkema France SA
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.)
Filing date
Publication date
Priority to FR2010449A priority Critical patent/FR3115039B1/fr
Application filed by Arkema France SA filed Critical Arkema France SA
Priority to JP2023522398A priority patent/JP2023544887A/ja
Priority to US18/248,807 priority patent/US20230383096A1/en
Priority to KR1020237015836A priority patent/KR20230087537A/ko
Priority to PCT/FR2021/051775 priority patent/WO2022079387A1/fr
Priority to EP21807172.8A priority patent/EP4229133A1/fr
Priority to CN202180070278.4A priority patent/CN116325032A/zh
Publication of FR3115039A1 publication Critical patent/FR3115039A1/fr
Application granted granted Critical
Publication of FR3115039B1 publication Critical patent/FR3115039B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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.
FR2010449A 2020-10-13 2020-10-13 Composition magnétique comprenant une résine de copolymères à blocs polyamides et à blocs polyéthers Active FR3115039B1 (fr)

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
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
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
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
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

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP4229133A1 (fr) 2023-08-23
JP2023544887A (ja) 2023-10-25
WO2022079387A1 (fr) 2022-04-21
KR20230087537A (ko) 2023-06-16
US20230383096A1 (en) 2023-11-30
CN116325032A (zh) 2023-06-23
FR3115039A1 (fr) 2022-04-15

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