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1. WO2016188844 - COMPOSITION FOR PRODUCING MAGNETIC CORES AND A PROCESS FOR PRODUCING THE COMPOSITION

Publication Number WO/2016/188844
Publication Date 01.12.2016
International Application No. PCT/EP2016/061231
International Filing Date 19.05.2016
Chapter 2 Demand Filed 27.03.2017
IPC
H01F 1/26 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
1Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
01of inorganic materials
03characterised by their coercivity
12of soft-magnetic materials
14metals or alloys
20in the form of particles, e.g. powder
22pressed, sintered, or bound together
24the particles being insulated
26by macromolecular organic substances
C08J 5/00 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
5Manufacture of articles or shaped materials containing macromolecular substances
H01F 38/14 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
38Adaptations of transformers or inductances for specific applications or functions
14Inductive couplings
H01F 41/02 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
41Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
02for manufacturing cores, coils or magnets
H04B 5/00 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
5Near-field transmission systems, e.g. inductive loop type
CPC
B22F 1/0062
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
1Special treatment of metallic powder, e.g. to facilitate working, to improve properties
0003Metallic powders per se; Mixtures of metallic powders; Metallic powders mixed with a lubricating or binding agent
0059Metallic powders mixed with a lubricating or binding agent or organic material
0062Powders coated with organic material
B22F 2301/35
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
2301Metallic composition of the powder or its coating
35Iron
C08J 2300/22
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
2300Characterised by the use of unspecified polymers
22Thermoplastic resins
C08J 2375/04
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
2375Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
04Polyurethanes
C08J 3/201
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
3Processes of treating or compounding macromolecular substances
20Compounding polymers with additives, e.g. colouring
201Pre-melted polymers
C08J 5/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
5Manufacture of articles or shaped materials containing macromolecular substances
Applicants
  • BASF SE [DE]/[DE]
Inventors
  • DIETSCH, Herve
  • ZICKGRAF, Reinhard
  • PRISSOK, Frank
  • HWANG, Jae Hyung
  • KOCH, Oliver
  • KASALIWAL, Gaurav
Agents
  • KUDLA, Karsten
Priority Data
15169443.727.05.2015EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) COMPOSITION FOR PRODUCING MAGNETIC CORES AND A PROCESS FOR PRODUCING THE COMPOSITION
(FR) COMPOSITION POUR LA FABRICATION DE NOYAUX MAGNÉTIQUES ET PROCÉDÉ DE PRÉPARATION DE LA COMPOSITION
Abstract
(EN)
The invention relates to a composition for producing magnetic cores comprising 90 to 95% by weight of a soft magnetic powder and 5 to 10% by weight of a polymer matrix material, each based on the mass of the composition, wherein the polymer matrix material comprises 50 to 0% by weight of a thermoplastic polyurethane based on the mass of the polymer. The invention further relates to a process for producing the composition and a magnetic core made of the composition.
(FR)
L'invention concerne une composition qui permet de fabriquer des noyaux magnétiques comprenant de 90 à 95 % en poids d'une poudre magnétique douce et de 5 à 10 % en poids d'un matériau de matrice polymère, chacun sur la base de la masse de la composition, le matériau de matrice de polymère comprenant de 50 à 0 % en poids d'un polyuréthane thermoplastique sur la base de la masse du polymère. L'invention concerne également un procédé de préparation de la composition et un noyau magnétique fabriqué avec la composition.
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