CN105895295A - Composite functional magnetic strip and fabrication method thereof - Google Patents

Composite functional magnetic strip and fabrication method thereof Download PDF

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Publication number
CN105895295A
CN105895295A CN201610385850.7A CN201610385850A CN105895295A CN 105895295 A CN105895295 A CN 105895295A CN 201610385850 A CN201610385850 A CN 201610385850A CN 105895295 A CN105895295 A CN 105895295A
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Prior art keywords
magnetic
magnetic material
layer
material layer
complex
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CN201610385850.7A
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Chinese (zh)
Inventor
王文光
李帅
柴立民
李光其
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Anji Sirun Magnetic Materials Co Ltd
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Anji Sirun Magnetic Materials Co Ltd
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Priority to CN201610385850.7A priority Critical patent/CN105895295A/en
Publication of CN105895295A publication Critical patent/CN105895295A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24—Calendering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/30—Making multilayered or multicoloured articles
    • B29C43/305—Making multilayered articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus 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
    • H01F41/02—Apparatus 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 for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus 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 for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/026—Apparatus 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 for manufacturing cores, coils, or magnets for manufacturing permanent magnets protecting methods against environmental influences, e.g. oxygen, by surface treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus 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
    • H01F41/02—Apparatus 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 for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus 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 for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0266—Moulding; Pressing

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Laminated Bodies (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

The invention relates to a composite functional magnetic strip and a fabrication method thereof. The composite functional magnetic strip comprises a magnetic material layer and a composite functional layer, wherein the composite functional layer is arranged on the upper surface or the lower surface of the magnetic material layer, and an outer protection layer wraps the magnetic material layer and the composite functional layer. The magnetic performance of the composite functional magnetic strip is determined by the magnetic material layer, a great effect is exerted on the mechanical property of the composite functional magnetic strip with the introduction of the composite functional layer, for example, when the composite functional layer adopts a non-metal material body such as a rubber soft magnetic material, the rubber soft magnetic material can be used for changing a path of a magnetic force line, so that the surface magnetic field intensity of the magnetic strip and the depth of a magnetic field perpendicular to a magnetic strip direction are improved; and except that the outer protection layer has an attractive effect, when the magnetic material layer is a rare-earth permanent magnet, air also can be isolated from the magnetic material layer so that the magnetic material layer is prevented from being oxidized and rusted.

Description

A kind of complex function magnetic stripe and preparation method thereof
Technical field
The present invention relates to complex function magnetic stripe and preparation method thereof.
Background technology
Now, magnetic stripe application in healthcare is the most extensive, such as mattress, bustle, rib etc., but the magnetic field intensity on existing magnetic stripe surface is low, therefore, magnetic therapy effect is bad, existing abnormity magnetic stripe is entity structure, it cannot realize two-sided multipole and magnetize mode to filling homopolarity, can only be two-sided to magnetize mode to filling heteropole, therefore, this magnetic stripe Surface field intensity is low, and flexible rubber magnetic stripe especially flexible rare-earth rubber magnetic stripe, in order to reach higher magnetic property, the content improving rare earth permanent magnet powder is often used to achieve the goal, but it is as the increase of particle content, suppleness and the hot strength of prepared rubber magnetic stripe decline to a great extent, simultaneously as lack protective layer, magnetic stripe is oxidized easily.
Summary of the invention
In order to improve the mechanical performance of magnetic stripe, prevent magnetic stripe oxidized, the invention provides a kind of complex function magnetic stripe and preparation method thereof.
In order to achieve the above object, a kind of complex function magnetic stripe, including magnetic material layer and complex functional layer, described complex functional layer is located at upper surface or the lower surface of magnetic material layer, is wrapped with external protection coating at magnetic material layer and complex functional layer.
The first preparation method of above-mentioned complex function magnetic stripe is:
(1) magnetic material layer is obtained after the magnetic material batch mixing required for magnetic material layer being carried out kneading, mill and calender line successively；
(2) complex functional layer is obtained after the composite functional material batch mixing required for complex functional layer being carried out kneading, mill and calender line successively；
(3) put into together with the complex functional layer that magnetic material layer above-mentioned steps (1) obtained obtains with step (2) calender is carried out calendering and pressing process, the magnetic material layer pressed together and complex functional layer are carried out cutting molding, external protection coating is wrapped the magnetic material layer pressed together and the complex functional layer of cutting molding, then magnetic material layer and complex functional layer are magnetized, carry out cutting after process of magnetizing again and packaging forms complex function magnetic stripe.
The second preparation method of above-mentioned complex function magnetic stripe is:
(1) the magnetic material batch mixing required for magnetic material layer is carried out mixing on rubber mixing machine, then pelletize on mixing extruder；
(2) the composite functional material batch mixing required for complex functional layer is carried out mixing on rubber mixing machine, then pelletize on mixing extruder；
(3) granule that granule step (1) pelletized and step (2) are pelletized together forms magnetic material layer and complex functional layer by extruder for shaping；
(4) external protective material needed for external protection coating is put in extruder, then utilize extruder extrusion to make it wrap and be attached on the magnetic material layer of step (3) and complex functional layer be formed external protection coating, then magnetic material layer and complex functional layer are magnetized, carry out cutting after process of magnetizing again and packaging forms complex function magnetic stripe.
The third preparation method of above-mentioned complex function magnetic stripe is:
(1) the magnetic material batch mixing required for magnetic material layer is carried out on rubber mixing machine mixing after pelletize；
(2) composite functional material required for complex functional layer is unreeled on roll squeezer and rectifies a deviation；
(3) granule step (1) pelletized composite functional material roll-in laminating on roll squeezer by extruder for shaping and with step (2) forms magnetic material layer and complex functional layer；
(4) external protective material needed for external protection coating is put in extruder, then utilize extruder extrusion can wrap and be attached to formation external protection coating on the magnetic material layer of step (3) and complex functional layer, then magnetic material layer and complex functional layer are magnetized, carry out cutting after process of magnetizing again and packaging forms complex function magnetic stripe.
4th kind of preparation method of above-mentioned complex function magnetic stripe is:
(1) composite functional material required for complex functional layer is embedded in the mould of injection machine；
(2) the magnetic material micelle required for magnetic material layer is expelled in mould by injection machine；
(3) during injection, apply external magnetic field magnetic material layer is orientated, and molding complex functional layer and magnetic material layer, then demoulding pickup；
(4) external protection coating wrapping complex functional layer and magnetic material layer, then packaging forms complex function magnetic stripe.
Further, described magnetic material layer is one or more of rare earth permanent magnet, ferrite permanent-magnet and Al-Ni-Co permanent magnet.
Further, described complex functional layer is one or more of magnetic conductive metal material and non-magnetic metal material.
Further, described external protection coating is rubber-plastics material body, and described external protection coating is rubber-plastics material, and described rubber-plastics material is liquid rubber or PV or EVA or PE or PP or PA.
nullThe invention has the beneficial effects as follows: magnetic material layer determines the magnetic property of this complex function magnetic stripe，The introducing of complex functional layer can produce effect greatly to the mechanical performance of this complex function magnetic stripe，When complex functional layer uses nonmetallic materials body，Such as during soft rubber material，Soft rubber material can change the path of the magnetic line of force thus promote the Surface field intensity of magnetic stripe and the magnetic field degree of depth in vertical magnetic stripe direction，When complex functional layer uses the rubber and plastic adhesive tape of high tensile，The pull-off force of magnetic stripe can be greatly improved，Make magnetic stripe be difficult to not and be pulled off and fracture，When complex functional layer uses the soft strip of non-magnetic metal，Such as 0Cr18Ni9Ti or 304，The hot strength of magnetic stripe can be substantially improved in the case of reducing thickness，When complex functional layer uses the soft strip of metal of magnetic conduction，Such as 65Mn，Both the hot strength of magnetic stripe can be substantially improved，Surface field intensity and the magnetic field degree of depth of magnetic stripe can be promoted again.Magnetic material layer, in addition to having beauty function, when magnetic material layer is rare-earth permanent magnet, can also be played air-isolation thus prevent the effect of magnetic material layer oxidation and rusting by external protection coating.
Accompanying drawing explanation
It is next with detailed description of the invention below in conjunction with the accompanying drawings that the present invention will be further described in detail.
Fig. 1 is the structural representation of the complex function magnetic stripe of the present invention.
Fig. 2 is the flow chart of the first preparation method of the present invention.
Fig. 3 is the flow chart of the second preparation method of the present invention.
Fig. 4 is the flow chart of the third preparation method of the present invention.
Fig. 5 is the flow chart of the 4th kind of preparation method of the present invention.
Detailed description of the invention
As shown in Figure 1, the present invention includes magnetic material layer 1 and complex functional layer 2, complex functional layer 2 is located at the lower surface of magnetic material layer 1, it is wrapped with external protection coating 3 at magnetic material layer 1 and complex functional layer 2, described external protection coating 3 is rubber layer, and rubber layer can be liquid rubber or PV or EVA or PE or PP or PA.nullMagnetic material layer determines the magnetic property of this complex function magnetic stripe，The introducing of complex functional layer can produce effect greatly to the mechanical performance of this complex function magnetic stripe，When complex functional layer uses nonmetallic materials body，Such as during soft rubber material，Soft rubber material can change the path of the magnetic line of force thus promote the Surface field intensity of magnetic stripe and the magnetic field degree of depth in vertical magnetic stripe direction，When complex functional layer uses the rubber and plastic adhesive tape of high tensile，The pull-off force of magnetic stripe can be greatly improved，Make magnetic stripe be difficult to not and be pulled off and fracture，When complex functional layer uses the soft strip of non-magnetic metal，Such as 0Cr18Ni9Ti or 304，The hot strength of magnetic stripe can be substantially improved in the case of reducing thickness，When complex functional layer uses the soft strip of metal of magnetic conduction，Such as 65Mn，Both the hot strength of magnetic stripe can be substantially improved，Surface field intensity and the magnetic field degree of depth of magnetic stripe can be promoted again.Magnetic material layer, in addition to having beauty function, when magnetic material layer is rare-earth permanent magnet, can also be played air-isolation thus prevent the effect of magnetic material layer oxidation and rusting by external protection coating.
Fig. 2 is the flow chart of the first preparation method of this complex function magnetic stripe:
(1) magnetic material layer is obtained after the magnetic material batch mixing required for magnetic material layer being carried out kneading, mill and calendering successively；
(2) complex functional layer is obtained after the composite functional material batch mixing required for complex functional layer being carried out kneading, mill and calendering successively；
null(3) magnetic material layer that above-mentioned steps (1) is obtained，This magnetic material layer includes rare-earth permanent magnet and rubber，The complex functional layer obtained with step (2)，This complex functional layer is the 65Mn steel band that 0.05mm is thick，Put into together and calender carries out calendering and pressing process，By the magnetic material layer pressed together and complex functional layer by thickness 3.8mm，The size of width 13mm carries out cutting molding，External protection coating is wrapped the magnetic material layer pressed together and the complex functional layer of cutting molding，Then magnetic material layer and complex functional layer are magnetized，Process of magnetizing carries out cutting more later and packaging forms complex function magnetic stripe，The size of this complex function magnetic stripe is width 13.5mm、Thickness 4.1mm，The complex function magnetic stripe so prepared is possible not only to obtain extremely strong hot strength，Pull-off force is up to more than 500N，And its Surface field intensity and the magnetic field degree of depth have promoted after magnetic stripe magnetizes.If reducing the content of magnetic material layer middle rare earth magnetic powder, the composite functional material pressing and forming of magnetic conduction is added when common calendering, also can obtain and prepare the identical Surface field intensity of magnetic stripe and the magnetic field degree of depth with former high particle content, and the hot strength of complex function magnetic stripe is substantially improved.
When the material selection flexible rare-earth magnet calendering formation of magnetic material layer, the material selection flexibility soft magnetic ferrite with complex functional layer rolls pressing and forming altogether, prepare wide 13.5mm, the magnetic stripe of thick 4mm, wherein flexible rare-earth magnet 3mm is thick, flexible soft magnetic ferrite 1mm is thick, overcoat is printed on the heat-shrink tube of product specification, carries out in flexible rare-earth magnet face that one side is multistage to magnetize, it is possible to obtain higher Surface field intensity, improve absorption affinity and hot strength, and the toughness of complex function magnetic stripe is good.
Fig. 3 is the flow chart of the second preparation method of this complex function magnetic stripe:
(1) the magnetic material batch mixing required for magnetic material layer is carried out mixing on rubber mixing machine, then pelletize on mixing extruder；
(2) the composite functional material batch mixing required for complex functional layer is carried out mixing on rubber mixing machine, then pelletize on mixing extruder；
(3) granule that granule step (1) pelletized and step (2) are pelletized together forms magnetic material layer and complex functional layer by extruder for shaping；
(4) external protective material needed for external protection coating is put in extruder, then utilize extruder extrusion to make it wrap and be attached on the magnetic material layer of step (3) and complex functional layer be formed external protection coating, then magnetic material layer and complex functional layer are magnetized, carry out cutting after process of magnetizing again and packaging forms complex function magnetic stripe.
At extrusion magnetic material layer, such as the cord belt thick for one side laminating 0.02mm of rare-earth magnetic strip (the widest 13.0mm, thick 3.5mm), the pull-off force of about 400N can be obtained in the case of inconspicuous change magnetic stripe thickness, lifting amplitude reaches 80%, improves its folding resistance simultaneously.
At extrusion magnetic material layer, being squeezed into complex functional layer during such as rare-earth magnetic strip (the widest 13.0mm, thick 3.5mm), such as the widest 12mm, 304 stainless steel bands of thick 0.05mm, prepared complex function magnetic stripe hot strength promotes 100%.Due to 304 materials magnetic conductivity difference and it is the thinnest, one side is nearly free from any impact to the magnetic property of magnetic stripe if magnetizing
Fig. 4 is the flow chart of the third preparation method of this complex function magnetic stripe:
(1) the magnetic material batch mixing required for magnetic material layer is carried out on rubber mixing machine mixing after pelletize；
(2) composite functional material required for complex functional layer is unreeled on roll squeezer and rectifies a deviation；
(3) granule step (1) pelletized composite functional material roll-in laminating on roll squeezer by extruder for shaping and with step (2) forms magnetic material layer and complex functional layer；
(4) external protective material needed for external protection coating is put in extruder, then utilize extruder extrusion can wrap and be attached to formation external protection coating on the magnetic material layer of step (3) and complex functional layer, then magnetic material layer and complex functional layer are magnetized, carry out cutting after process of magnetizing again and packaging forms complex function magnetic stripe.
Fig. 5 is the flow chart of the 4th kind of preparation method of this complex function magnetic stripe:
(1) composite functional material required for complex functional layer is embedded in the mould of injection machine；
(2) the magnetic material micelle required for magnetic material layer is expelled in mould by injection machine；
(3) during injection, apply external magnetic field magnetic material layer is orientated, and molding complex functional layer and magnetic material layer, then demoulding pickup；
(4) external protection coating wrapping complex functional layer and magnetic material layer, then packaging forms complex function magnetic stripe.
Material at injection magnetic material layer, such as long 200mm, wide 13.0mm, during the rare-earth magnet of thick 3.5mm in mould pre-buried complex function layer material, such as long 200mm, wide 13mm, the iron plate of thick 0.1mm, apply external magnetic field during injection magnetic material is orientated, the complex function magnetic stripe that combination property is good can be obtained.

Claims (10)

1.A kind of complex function magnetic stripe, it is characterised in that: include that magnetic material layer and complex functional layer, described complex functional layer are located at upper surface or the lower surface of magnetic material layer, be wrapped with external protection coating at magnetic material layer and complex functional layer.
2.By right Requirement 1 Described complex function magnetic stripe, it is characterised in that: described magnetic material layer is one or more of rare earth permanent magnet, ferrite permanent-magnet and Al-Ni-Co permanent magnet.
3.By right Requirement 1 Described complex function magnetic stripe, it is characterised in that: described complex functional layer is one or more of magnetic conductive metal material and non-magnetic metal material.
4.By right Requirement 1 Described complex function magnetic stripe, it is characterised in that: described complex functional layer is magnetic conduction nonmetallic materials or non-magnetic nonmetallic materials.
5.By right Requirement 1 Described complex function magnetic stripe, it is characterised in that: described external protection coating is rubber-plastics material, described rubber-plastics material be liquid rubber or PV Or EVA Or PE Or PP Or PA 。
6.A kind of preparation method of complex function magnetic stripe, it is characterised in that:
( 1 ) the magnetic material batch mixing required for magnetic material layer is carried out kneading, mill and calender line successively after obtain magnetic material layer；
( 2 ) the composite functional material batch mixing required for complex functional layer is carried out kneading, mill and calender line successively after obtain complex functional layer；
( 3 ) by above-mentioned steps ( 1 ) magnetic material layer that obtains and step ( 2 ) complex functional layer that obtains puts into together and carry out calendering in calender and pressing processes, the magnetic material layer pressed together and complex functional layer are carried out cutting molding, external protection coating is wrapped the magnetic material layer pressed together and the complex functional layer of cutting molding, then magnetic material layer and complex functional layer are magnetized, carry out cutting after process of magnetizing again and packaging forms complex function magnetic stripe.
7.A kind of preparation method of complex function magnetic stripe, it is characterised in that:
(1) Magnetic material batch mixing required for magnetic material layer is carried out mixing on rubber mixing machine, then pelletizes on mixing extruder；
( 2 ) the composite functional material batch mixing required for complex functional layer is carried out mixing on rubber mixing machine, then pelletize on mixing extruder；
( 3 ) by step ( 1 ) granule pelletized and step ( 2 ) granule pelletized together forms magnetic material layer and complex functional layer by extruder for shaping；
( 4 ) external protective material needed for external protection coating is put in extruder, then utilize extruder extrusion make its wrap be attached to step ( 3 ) magnetic material layer and complex functional layer on formed external protection coating, then magnetic material layer and complex functional layer are magnetized, magnetize process after carry out again cutting and packaging formed complex function magnetic stripe.
8.A kind of preparation method of complex function magnetic stripe, it is characterised in that:
( 1 ) the magnetic material batch mixing required for magnetic material layer is carried out mixing rear granulation on rubber mixing machine；
( 2 ) composite functional material required for complex functional layer is unreeled on roll squeezer and rectifies a deviation；
( 3 ) by step ( 1 ) granule pelletized by extruder for shaping and with step ( 2 ) composite functional material roll-in laminating on roll squeezer form magnetic material layer and complex functional layer；
( 4 ) external protective material needed for external protection coating is put in extruder, then utilize extruder extrusion can wrap be attached to step ( 3 ) magnetic material layer and complex functional layer on formed external protection coating, then magnetic material layer and complex functional layer are magnetized, magnetize process after carry out again cutting and packaging formed complex function magnetic stripe.
9.A kind of preparation method of complex function magnetic stripe, it is characterised in that:
( 1 ) composite functional material required for complex functional layer is embedded in the mould of injection machine；
( 2 ) the magnetic material micelle required for magnetic material layer is expelled in mould by injection machine；
( 3 ) during injection, apply external magnetic field magnetic material layer is orientated, and molding complex functional layer and magnetic material layer, then demoulding pickup；
( 4 ) external protection coating is wrapped complex functional layer and magnetic material layer, then packaging forms complex function magnetic stripe.
10.By right Requirement 6 、 7 、 8 Or 9 The preparation method of described complex function magnetic stripe, it is characterized in that: described magnetic material layer is one or more of rare earth permanent magnet, ferrite permanent-magnet and Al-Ni-Co permanent magnet, described complex functional layer is one or more of magnetic conductive metal material and non-magnetic metal material, described external protection coating is rubber-plastics material body, described external protection coating is rubber-plastics material, described rubber-plastics material be liquid rubber or PV Or EVA Or PE Or PP Or PA 。
CN201610385850.7A 2016-06-03 2016-06-03 Composite functional magnetic strip and fabrication method thereof Pending CN105895295A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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CN108553924A (en) * 2018-04-18 2018-09-21 广州新莱福磁电有限公司 A kind of foldable magnetic building blocks and preparation method thereof arbitrarily adsorbed
CN112885594A (en) * 2021-02-20 2021-06-01 浙江博菲电气股份有限公司 Magnetic strip material prepared from magnetic conduction particles and preparation method

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JP2013243265A (en) * 2012-05-21 2013-12-05 Nhk Spring Co Ltd Laminate and method for producing laminate
CN103440955A (en) * 2013-09-10 2013-12-11 徐霞 Compound agglutinated rear earth permanent magnet and preparation method thereof
CN103580302A (en) * 2013-08-30 2014-02-12 浙江省东阳市诚基电机有限公司 Halogen-free motor magnetic strip and preparation method thereof

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CN2164098Y (en) * 1993-08-17 1994-05-04 广东省钢铁研究所 Self-screening flexible binding magnet
CN1937113A (en) * 2006-08-14 2007-03-28 北矿磁材科技股份有限公司 High-temperature flexible rubber bound magnet and preparing method
CN101465188A (en) * 2008-07-22 2009-06-24 北矿磁材科技股份有限公司 Flexible rare-earth cementing magnet and method of manufacturing the same
CN201336197Y (en) * 2008-12-31 2009-10-28 顾根山 Composite substrate made of magnetic material
CN201532823U (en) * 2009-11-13 2010-07-21 宁波盛事达磁业有限公司 Built-up magnet
CN101800106A (en) * 2010-04-07 2010-08-11 北京科技大学 Preparation method of flexible anisotropy bonding rare earth permanent magnet material
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JP2013243265A (en) * 2012-05-21 2013-12-05 Nhk Spring Co Ltd Laminate and method for producing laminate
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CN103440955A (en) * 2013-09-10 2013-12-11 徐霞 Compound agglutinated rear earth permanent magnet and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108553924A (en) * 2018-04-18 2018-09-21 广州新莱福磁电有限公司 A kind of foldable magnetic building blocks and preparation method thereof arbitrarily adsorbed
CN108553924B (en) * 2018-04-18 2019-09-10 广州新莱福磁电有限公司 A kind of foldable magnetic building blocks and preparation method thereof arbitrarily adsorbed
CN112885594A (en) * 2021-02-20 2021-06-01 浙江博菲电气股份有限公司 Magnetic strip material prepared from magnetic conduction particles and preparation method

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Application publication date: 20160824