CN106205933B - A kind of magnet composite based on nano concave earth and preparation method thereof - Google Patents
A kind of magnet composite based on nano concave earth and preparation method thereof Download PDFInfo
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- CN106205933B CN106205933B CN201610768376.6A CN201610768376A CN106205933B CN 106205933 B CN106205933 B CN 106205933B CN 201610768376 A CN201610768376 A CN 201610768376A CN 106205933 B CN106205933 B CN 106205933B
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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
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/102—Metallic powder coated with organic material
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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
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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- Spectroscopy & Molecular Physics (AREA)
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Abstract
The invention discloses a kind of magnet composite based on nano concave earth and preparation method thereof, it is prepared by the raw material of following parts by weight：Magnetic powder, 65 75 parts；Bisphenol A type epoxy resin, 10 14 parts；Carbon fiber, 35 parts；Dispersant, 68 parts；3 aminopropyl triethoxysilanes, 24 parts；Triglycerides, 13 parts；The dispersant is the recessed soil of modified Nano, and preparation method is：It is after 15 25% triethylamine solutions soak 35 hours, to take out and rinse to neutrality that the recessed soil of 60 80 parts by weight is put into mass fraction, and 45 55 DEG C are dried to water content as 3 5%；Add 46 parts of triethanolamines to be well mixed, add 35 parts of dimercaprol dimercaptopropanol, 13 parts of Nano graphite powders, mixed grinding, cross 200 mesh sieves and produce.Magnet composite inductance value prepared by the present invention is high and stably, has prominent substantive distinguishing features and significant progressive compared with prior art.
Description
Technical field
The invention belongs to Material Field, and in particular to a kind of magnet composite and its preparation side based on nano concave earth
Method.
Background technology
Magnetic product species is various, is widely used, and is risen emphatically in military equipment electronization and Hi-tech Industry Development
Act on, magnet composite is only one of branch.Magnet composite is typically filled by dusty material to be formed, volume
Content is 2~98%, and matrix can be metal, glass, polymer etc..Magnetic energy can be converted into machinery by magnet composite
Can, mechanical energy can also be converted into magnetic energy.Formed from magnet composite, it is one kind between high polymer material and magnetic
Functional form material between material.
Magnet composite is a kind of novel high polymer functional material to grow up the 1970s, is modern science
One of important foundation material of technical field.Magnet composite can be divided into structural type and compound two kinds, structural type by composition
Magnet composite refers to that polymer has ferromagnetic magnet in itself；Composite magnetic composite material refers to rubber or plastics
Mix to bond with Magnaglo for adhesive and process and manufactured magnet.
The major advantage of magnet composite is：Density is small, impact strength is big, and product can be cut, drilled, be welded
Will not be chipping when connecing, be laminated and the processing such as embossing, and using.It can use the general processing method of general plastics
(such as inject, be molded, extrusion) is processed, and is easily processed into dimensional accuracy height, thin-walled, the product of complicated shape, plastic
Band inserts product, the target of miniaturization, lightweight, precise treatment and high performance, which plays the effect of key, to be realized to electromagnetic equipment,
It is thus more and more to be paid attention to by people, it is a kind of up-and-coming basic function material.
The content of the invention
It is an object of the invention to provide a kind of magnet composite based on nano concave earth and preparation method thereof.
The above-mentioned purpose of the present invention is achieved by following technical scheme：
A kind of magnet composite based on nano concave earth, is prepared by the raw material of following parts by weight：Magnetic powder,
65-75 parts；Bisphenol A type epoxy resin, 10-14 parts；Carbon fiber, 3-5 parts；Dispersant, 6-8 parts；3- aminopropyl-triethoxy silicon
Alkane, 2-4 parts；Triglycerides, 1-3 parts；The dispersant is the recessed soil of modified Nano, and preparation method is：By the recessed of 60-80 parts by weight
Soil is put into after mass fraction soaks 3-5 hours for 15-25% triethylamine solutions, is taken out and is rinsed to neutrality, 45-55 DEG C is dried to and contains
Water is 3-5%；Add 4-6 part triethanolamines to be well mixed, add 3-5 parts dimercaprol dimercaptopropanol, 1-3 part Nano graphite powders,
Mixed grinding, cross 200 mesh sieves and produce.
Preferably, the dispersant is the recessed soil of modified Nano, and preparation method is：The recessed soil of 70 parts by weight is put into quality point
After number soaks 4 hours for 20% triethylamine solution, take out and rinse to neutrality, 50 DEG C are dried to water content as 4%；Add 5 part three
Monoethanolamine is well mixed, and is added 4 parts of dimercaprol dimercaptopropanol, 2 parts of Nano graphite powders, mixed grinding, is crossed 200 mesh sieves and produce.
Preferably, the magnet composite is made up of following raw material：Magnetic powder, 70 parts；Bisphenol-A type ring
Oxygen tree fat, 12 parts；Carbon fiber, 4 parts；Dispersant, 7 parts；3- aminopropyl triethoxysilanes, 3 parts；Triglycerides, 2 parts.
Preferably, the magnet composite is made up of following raw material：Magnetic powder, 65 parts；Bisphenol-A type ring
Oxygen tree fat, 10 parts；Carbon fiber, 3 parts；Dispersant, 6 parts；3- aminopropyl triethoxysilanes, 2 parts；Triglycerides, 1 part.
Preferably, the magnet composite is made up of following raw material：Magnetic powder, 75 parts；Bisphenol-A type ring
Oxygen tree fat, 14 parts；Carbon fiber, 5 parts；Dispersant, 8 parts；3- aminopropyl triethoxysilanes, 4 parts；Triglycerides, 3 parts.
Preferably, the magnetic powder is selected from iron silica flour, iron powder, iron aluminum silicon powder, iron silicochromium powder or iron nickel powder.
The preparation method of above-mentioned magnet composite, step are：First by bisphenol A type epoxy resin, dispersant, carbon fiber,
3- aminopropyl triethoxysilanes and triglycerides are well mixed, and add magnetic powder, are stirred, and make bisphenol type epoxy
Resin is equably wrapped in the surface of magnetic powder, finally solidifies 2h at 120 DEG C.
Advantages of the present invention：
Magnet composite inductance value prepared by the present invention is high and stably, has prominent substance compared with prior art
Feature and significant progress.
Embodiment
The essentiality content of the present invention is further illustrated with reference to embodiment, but present invention protection model is not limited with this
Enclose.Although being explained in detail with reference to preferred embodiment to the present invention, it will be understood by those within the art that, can be right
Technical scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention.It is following
In embodiment, magnetic powder uses iron silica flour, naturally it is also possible to uses iron powder, iron aluminum silicon powder, iron silicochromium powder or iron nickel powder.
Embodiment 1：The preparation of magnet composite
Parts by weight of raw materials ratio：
Magnetic powder, 70 parts；Bisphenol A type epoxy resin, 12 parts；Carbon fiber, 4 parts；Dispersant, 7 parts；The second of 3- aminopropyls three
TMOS, 3 parts；Triglycerides, 2 parts.
Wherein, the dispersant is the recessed soil of modified Nano, and preparation method is：The recessed soil of 70 parts by weight is put into mass fraction
After being soaked 4 hours for 20% triethylamine solution, take out and rinse to neutrality, 50 DEG C are dried to water content as 4%；Add 5 part of three second
Hydramine is well mixed, and is added 4 parts of dimercaprol dimercaptopropanol, 2 parts of Nano graphite powders, mixed grinding, is crossed 200 mesh sieves and produce.
The preparation method of magnet composite：First by bisphenol A type epoxy resin, dispersant, carbon fiber, the second of 3- aminopropyls three
TMOS and triglycerides are well mixed, and add magnetic powder, are stirred, and bisphenol A type epoxy resin is equably wrapped
The surface of magnetic powder is rolled in, finally solidifies 2h at 120 DEG C.
Embodiment 2：The preparation of magnet composite
Parts by weight of raw materials ratio：
Magnetic powder, 65 parts；Bisphenol A type epoxy resin, 10 parts；Carbon fiber, 3 parts；Dispersant, 6 parts；The second of 3- aminopropyls three
TMOS, 2 parts；Triglycerides, 1 part.
Wherein, the dispersant is the recessed soil of modified Nano, and preparation method is：The recessed soil of 70 parts by weight is put into mass fraction
After being soaked 4 hours for 20% triethylamine solution, take out and rinse to neutrality, 50 DEG C are dried to water content as 4%；Add 5 part of three second
Hydramine is well mixed, and is added 4 parts of dimercaprol dimercaptopropanol, 2 parts of Nano graphite powders, mixed grinding, is crossed 200 mesh sieves and produce.
The preparation method of magnet composite：First by bisphenol A type epoxy resin, dispersant, carbon fiber, the second of 3- aminopropyls three
TMOS and triglycerides are well mixed, and add magnetic powder, are stirred, and bisphenol A type epoxy resin is equably wrapped
The surface of magnetic powder is rolled in, finally solidifies 2h at 120 DEG C.
Embodiment 3：The preparation of magnet composite
Parts by weight of raw materials ratio：
Magnetic powder, 75 parts；Bisphenol A type epoxy resin, 14 parts；Carbon fiber, 5 parts；Dispersant, 8 parts；The second of 3- aminopropyls three
TMOS, 4 parts；Triglycerides, 3 parts.
Wherein, the dispersant is the recessed soil of modified Nano, and preparation method is：The recessed soil of 70 parts by weight is put into mass fraction
After being soaked 4 hours for 20% triethylamine solution, take out and rinse to neutrality, 50 DEG C are dried to water content as 4%；Add 5 part of three second
Hydramine is well mixed, and is added 4 parts of dimercaprol dimercaptopropanol, 2 parts of Nano graphite powders, mixed grinding, is crossed 200 mesh sieves and produce.
The preparation method of magnet composite：First by bisphenol A type epoxy resin, dispersant, carbon fiber, the second of 3- aminopropyls three
TMOS and triglycerides are well mixed, and add magnetic powder, are stirred, and bisphenol A type epoxy resin is equably wrapped
The surface of magnetic powder is rolled in, finally solidifies 2h at 120 DEG C.
Embodiment 4：The preparation of magnet composite
Parts by weight of raw materials ratio：
Magnetic powder, 68 parts；Bisphenol A type epoxy resin, 12 parts；Carbon fiber, 4 parts；Dispersant, 7 parts；The second of 3- aminopropyls three
TMOS, 3 parts；Triglycerides, 2 parts.
Wherein, the dispersant is the recessed soil of modified Nano, and preparation method is：The recessed soil of 70 parts by weight is put into mass fraction
After being soaked 4 hours for 20% triethylamine solution, take out and rinse to neutrality, 50 DEG C are dried to water content as 4%；Add 5 part of three second
Hydramine is well mixed, and is added 4 parts of dimercaprol dimercaptopropanol, 2 parts of Nano graphite powders, mixed grinding, is crossed 200 mesh sieves and produce.
The preparation method of magnet composite：First by bisphenol A type epoxy resin, dispersant, carbon fiber, the second of 3- aminopropyls three
TMOS and triglycerides are well mixed, and add magnetic powder, are stirred, and bisphenol A type epoxy resin is equably wrapped
The surface of magnetic powder is rolled in, finally solidifies 2h at 120 DEG C.
Embodiment 5：The preparation of magnet composite
Parts by weight of raw materials ratio：
Magnetic powder, 72 parts；Bisphenol A type epoxy resin, 12 parts；Carbon fiber, 4 parts；Dispersant, 7 parts；The second of 3- aminopropyls three
TMOS, 3 parts；Triglycerides, 2 parts.
Wherein, the dispersant is the recessed soil of modified Nano, and preparation method is：The recessed soil of 70 parts by weight is put into mass fraction
After being soaked 4 hours for 20% triethylamine solution, take out and rinse to neutrality, 50 DEG C are dried to water content as 4%；Add 5 part of three second
Hydramine is well mixed, and is added 4 parts of dimercaprol dimercaptopropanol, 2 parts of Nano graphite powders, mixed grinding, is crossed 200 mesh sieves and produce.
The preparation method of magnet composite：First by bisphenol A type epoxy resin, dispersant, carbon fiber, the second of 3- aminopropyls three
TMOS and triglycerides are well mixed, and add magnetic powder, are stirred, and bisphenol A type epoxy resin is equably wrapped
The surface of magnetic powder is rolled in, finally solidifies 2h at 120 DEG C.
Embodiment 6：Comparative example, nano concave earth are not modified
Parts by weight of raw materials ratio：
Magnetic powder, 70 parts；Bisphenol A type epoxy resin, 12 parts；Carbon fiber, 4 parts；Dispersant, 7 parts；The second of 3- aminopropyls three
TMOS, 3 parts；Triglycerides, 2 parts.Wherein, the dispersant is nano concave earth.
The preparation method of magnet composite：First by bisphenol A type epoxy resin, dispersant, carbon fiber, the second of 3- aminopropyls three
TMOS and triglycerides are well mixed, and add magnetic powder, are stirred, and bisphenol A type epoxy resin is equably wrapped
The surface of magnetic powder is rolled in, finally solidifies 2h at 120 DEG C.
Embodiment 7：Effect example
Using the inductance of composite manufacture same size described in embodiment 1-6, with the existing inductance for being integrally formed manufacture
Electric property contrast test is done, as a result such as following table：
| Existing integrated inductance | Embodiment 1 | Embodiment 6 | |
| Wire circle | 30 | 30 | 30 |
| Effective magnetic circuit length 1 (cm) | 15.8 | 15.8 | 15.8 |
| Initial sensibility reciprocal L@0A | 205.32 | 292.45 | 287.65 |
| Retain sensibility reciprocal L@5A under 5A electric currents | 183.24 | 288.65 | 190.35 |
Embodiment 2-5 measurement results and embodiment 1 are basically identical, no longer enumerate one by one.
As a result show, the magnet composite inductance value for preparing of the present invention is high and stably, has compared with prior art prominent
The substantive distinguishing features gone out and significant progress.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but the protection of the present invention is not limited with this
Scope.It will be understood by those within the art that technical scheme can be modified or equivalent substitution,
Without departing from the essence and protection domain of technical solution of the present invention.
Claims (6)
1. a kind of magnet composite based on nano concave earth, it is characterised in that be prepared by the raw material of following parts by weight：
Magnetic powder, 65-75 parts；Bisphenol A type epoxy resin, 10-14 parts；Carbon fiber, 3-5 parts；Dispersant, 6-8 parts；3- aminopropyls three
Ethoxysilane, 2-4 parts；Triglycerides, 1-3 parts；The dispersant is the recessed soil of modified Nano, and preparation method is：By 60-80 weights
After the recessed soil of amount part is put into mass fraction as 15-25% triethylamine solutions immersion 3-5 hours, taking-up flushing to neutrality, 45-55 DEG C
It is 3-5% to be dried to water content；Add 4-6 part triethanolamines to be well mixed, add 3-5 parts dimercaprol dimercaptopropanol, 1-3 part nanometers
Graphite powder, mixed grinding, cross 200 mesh sieves and produce；Wherein, the magnetic powder is iron silica flour, iron powder, iron aluminum silicon powder, iron silicochromium
Powder or iron nickel powder.
2. magnet composite according to claim 1, it is characterised in that the dispersant is the recessed soil of modified Nano, system
Preparation Method is：After the recessed soil of 70 parts by weight is put into mass fraction for 20% triethylamine solution immersion 4 hours, takes out and rinse into
Property, 50 DEG C are dried to water content as 4%；Add 5 parts of triethanolamines to be well mixed, add 4 parts of dimercaprol dimercaptopropanol, 2 parts of nanometer stones
Ink powder, mixed grinding, cross 200 mesh sieves and produce.
3. magnet composite according to claim 1, it is characterised in that by the raw materials of following parts by weight prepare and
Into：Magnetic powder, 70 parts；Bisphenol A type epoxy resin, 12 parts；Carbon fiber, 4 parts；Dispersant, 7 parts；3- aminopropyl-triethoxies
Silane, 3 parts；Triglycerides, 2 parts.
4. magnet composite according to claim 1, it is characterised in that by the raw materials of following parts by weight prepare and
Into：Magnetic powder, 65 parts；Bisphenol A type epoxy resin, 10 parts；Carbon fiber, 3 parts；Dispersant, 6 parts；3- aminopropyl-triethoxies
Silane, 2 parts；Triglycerides, 1 part.
5. magnet composite according to claim 1, it is characterised in that by the raw materials of following parts by weight prepare and
Into：Magnetic powder, 75 parts；Bisphenol A type epoxy resin, 14 parts；Carbon fiber, 5 parts；Dispersant, 8 parts；3- aminopropyl-triethoxies
Silane, 4 parts；Triglycerides, 3 parts.
6. the preparation method of any magnet composites of claim 1-5, it is characterised in that step is：First by bisphenol A-type
Epoxy resin, dispersant, carbon fiber, 3- aminopropyl triethoxysilanes and triglycerides are well mixed, and add magnetic powder,
Stir, bisphenol A type epoxy resin is equably wrapped in the surface of magnetic powder, finally solidify 2h at 120 DEG C.
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| CN105225785A (en) * | 2015-10-12 | 2016-01-06 | 苏州宽温电子科技有限公司 | A kind of corrosion-resistant magnetic composite and preparation method thereof |
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