CN106024259A - Iron-based metal waterborne antirust magnetic paint and preparation method thereof - Google Patents
Iron-based metal waterborne antirust magnetic paint and preparation method thereof Download PDFInfo
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- CN106024259A CN106024259A CN201610377169.8A CN201610377169A CN106024259A CN 106024259 A CN106024259 A CN 106024259A CN 201610377169 A CN201610377169 A CN 201610377169A CN 106024259 A CN106024259 A CN 106024259A
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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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/23—Magnetisable or magnetic paints or lacquers
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- 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
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses an iron-based metal waterborne antirust magnetic paint and a preparation method thereof. A nanoscale film-coated iron-based metal soft magnetic powder is prepared from the following raw materials: iron-based metal soft magnetic powder, a dispersing agent, water, a catalyst, a coupling agent and an organic diluent. The iron-based metal waterborne antirust magnetic paint is prepared from the following raw materials: the nanoscale film-coated iron-based metal soft magnetic powder, a binder, a thickening agent, a coupling agent, water, the dispersing agent, a defoaming agent, a preservative, a coalescing agent and an antifreezing agent. The preparation method is that various raw materials are mixed evenly. The nanoscale film-coated iron-based metal soft magnetic powder has the advantages of excellent water-oil dispersity, good chemical corrosion resistance and good heat stability and has a 'self-lightweight' characteristic; and a coating has relatively high magnetic gathering density and high magnetic attraction force, adopts a waterborne formula and is nontoxic.
Description
Technical field
The present invention relates to a kind of ferrous metals waterborne anti-rust type magnetic force paint and preparation method thereof.
Background technology
Magnetic force paint, has another name called magnetic coating, is the functional material of a kind of surface moditied processing.By brushing body surface,
Such as cement wall surface, wood surface, laminated, plastics etc., surface magnetism can be given and can adsorb such as stationery magnet, magnetic glue forever
Magnetic material, has the specific functions such as decoration, tutor auxiliary platform, isolation protection.By brush or spraying method by soft magnetism
Coating invests required trim surface, just can be in absorption above such as teaching stationery magnet, magnetic pothook, magnetic after dry solidification
The permanent magnet material such as poster or wallpaper, is convenient for people to life, and the finish paint that even can also brush different colours on its surface comes hyperchromic
Add coloured silk and expand range of application.In order to make the magnetisable coating of body surface can have bigger magnetic adsorptive power, magnetic fillers
Often select iron powder or ferrous metals, then adjust the shape of implant, particle size distribution and the addition in proportioning, system
Etc. aspect improve the magnetic property of magnetic force paint.
U.S. patent Nos US9321924 discloses one " magnetic loading body oils ink " (MAGNETIC LOAD
SUPPORTING INKS), described magnetic inking consider well the particle size distribution of magnetic-particle, appearance and size, coating glue
The impact on magnetic property of the aspects such as degree, wherein magnetic-particle relates to ferrum or ferrum strontium magnetic material.But, this invention magnetic ink institute
It is organic type solvent with solvent, environmental and human health impacts is caused a certain degree of harmful effect；Additionally, this invention is at ferrum system magnetic
Preventive measure is not suggested that in terms of property material chemical corrosivity in ink system.U.S. patent Nos US5587102 is open
A kind of " magnetic paint formula and preparation method " (MAGNETIC PAINT COMPOSITION AND METHOD), described magnetic
Property paint belong to water paint, magnetic fillers then uses abrasive type iron powder, and screening granularity is mainly distributed between 200 ~ 325 mesh, granularity
On the one hand screening purpose makes magnetic paint itself have good mobility, on the one hand makes iron powder the most closely arrange in the coating
Make paint film more smooth.But owing to this magnetic paint is alkaline aqueous coating, the oxide etch of iron powder and reality in storage process
If iron powder occurs the aspects such as consequence produced by corrosion not consider in the coating after film forming is brushed on border.U.S. patent Nos
US5843329 discloses one " magnetic paint or the additive of ink " (MAGNETIC PAINT OR INK ADDITIVE), also
Do not consider ferromagnetic material Anticorrosion Problems in coating.
Chinese invention patent application CN201310248293.0 discloses one " the soft magnetism coating used under multipole magnetostatic field
And preparation method thereof ", it is 10 ~ 200 μm that this invention preferably goes out lamellar soft magnet powder body particle diameter, and described soft magnetism coating optimization formula is 65
Lamellar soft magnetism powder body, the adhesive of 9 ~ 25wt%, the diluent of 5 ~ 15wt% and the auxiliary agent of 1 ~ 5.5wt% of ~ 85wt%, is used for making
Soft-magnetic composite material compatibility is good, aqueous, environmental protective, but owing to this formula belongs to alkaline aqueous system, does not exists ferrum system soft magnetism powder body
Wherein anticorrosive property is particularly studied.
At present, magnetic fillers used by soft magnetism coating of the prior art is common the spherical or ferroxcube of irregular type
Magnetic powder, spherical or irregular type and lamellar ferrous metals soft magnetic powder.But soft magnetism coating in prior art, especially iron-based gold
Belong to soft magnetism coating and in use there is major defect: owing to ferrous metals soft magnetic powder oxidation resistance is unsatisfactory, ferrum
If Base Metal soft magnetism coating is through long time stored, ferrous metals soft magnetic powder easily corrodes because of Acidity of Aikalinity in formula,
Light then coating upper liquid yellowing, heavy then coating entirety occurs the bad phenomenon such as rotten, the bubbling of caking to use.Even if in storage
There is not soft magnet powder corrosion phenomenon when depositing, but after actually used and film-forming, the ferrous metals in coating can be owing to being coated with
Layer absorbs acid gas, salinity and the moisture in air and corrosion occurs, the most then present dispersibility rust spot, the most then present section
" yellow ".Also have plenty of, for ferrous metals soft magnetic powder, often due to its proportion and particle size impact so that soft magnetism is coated with
Expect to be susceptible to sedimentation under long time stored or transportation is by external stress operative condition, cause to user certain
Inconvenience.Therefore, in order to solve this technical barrier, it is necessary to provide a kind of ferrous metals soft magnetic powder, on the one hand at aqueous body
There is under system the ability of certain " from lightweight ", on the other hand have and there is stable anti-corrosion characteristic, thus application is prepared into
To a kind of stable ferrous metals rust-proof type magnetic force paint.
Summary of the invention
It is an object of the invention to provide a kind of ferrous metals waterborne anti-rust type magnetic force paint and preparation method thereof.
The technical solution used in the present invention is:
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder, is to be prepared from by the raw material of following weight portion: 100 ~ 500 parts of ferrum
Base Metal soft magnetic powder, 0.1 ~ 2.5 part of dispersant, 10 ~ 80 parts of water, 0.2 ~ 1.5 part of catalyst, 5 ~ 50 parts of coupling agents and 50 ~ 250
Part organic diluent.
Described ferrous metals soft magnetic powder particle diameter is 10nm ~ 200 μm.
Described ferrous metals soft magnetic powder is spherical or irregular or the iron powder of lamellar, ferrum carbon system alloyed powder, ferrum silicon system
At least one in alloyed powder, ferrum aluminum series alloy powder, ferrum sial system alloyed powder, ferrum nickel system alloy powder, ferrum Co-based alloy powder.
Described coupling agent is silane coupling agent, silicate class coupling agent, titante coupling agent, zirconate coupling
At least one in agent, chromium complex coupling agent, aluminate coupling agent, rare-earth coupling agent.
Described catalyst is at least one in ammonia, ethylenediamine, n-propylamine, 2-aminopropane., n-butylamine, tert-butylamine.
Described organic diluent is industrial alcohol.
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder, it prepares in accordance with the following methods:
1. 10 ~ 80 parts of water by weight and 36 ~ 180 portions of organic diluents are implanted sequentially to the reaction of constant temperature intermittent stirring
Still, starts stirring, then by 100 ~ 500 parts of ferrous metals soft magnetic powders by weight and 0.1 ~ 2.5 part of dispersant successively
Put into constant temperature intermittent stirring reactor, then by 0.4 ~ 1.3 part of catalyst by weight and 7 ~ 35 portions of organic diluents
After mix homogeneously, it is injected into constant temperature intermittent stirring reactor, then 5 ~ 50 parts of coupling agents by weight and 7 ~ 35 parts is had
After machine diluent mix homogeneously, it is injected into constant temperature intermittent stirring reactor, starts thermostat, adjust the temperature to 25 ~ 65 DEG C, permanent
Reacted solidliquid mixture is obtained after temperature stir process 3 ~ 10h；
2. the 1. walked after, reacted solidliquid mixture is emitted into storage container, under room temperature, stands cooling and aging, mistake
Filter and collect solid, being the nano-level thin-membrane cladded type ferrous metals soft magnetic powder after surface processes；
3. be 1:(1.5 ~ 2 in the weight ratio of the weight of ferrous metals soft magnetic powder, water) ratio, be added sequentially to container
Rear stirring washing, filters the solidliquid mixture after washing and collects solid, is the nano-level thin-membrane bag after washing for the first time
Cover sections Base Metal soft magnetic powder, then by the cladded type ferrous metals soft magnetic powder after washing for the first time and first time washing institute
The water of consumption is added sequentially to stirring washing after container, is filtered and collects solid by the solidliquid mixture after washing, being second
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder after secondary washing, repeats operation until supernatant liquid is without ester after washing
Taste, is then 1:(1.8 ~ 2.2 in the weight ratio of the weight of ferrous metals soft magnetic powder, industrial alcohol) ratio, add successively
Enter after container stirring alcohol to wash, then the solidliquid mixture after being washed by alcohol filters and collects solid, is the nanoscale after alcohol is washed thin
Film cladded type ferrous metals soft magnet powder；
4. the nano-level thin-membrane cladded type ferrous metals soft magnetic powder after being washed by alcohol is placed in dry, i.e. obtains nano-level thin-membrane cladding
Sections Base Metal soft magnetic powder.
Ferrous metals waterborne anti-rust type magnetic force paint, is to be prepared from by the raw material of following weight portion: 40 ~ 70 parts of described receiving
Meter level film coated sections Base Metal soft magnetic powder, 10 ~ 25 parts of binding agents, 0.2 ~ 3 part of thickening agent, 0.1 ~ 0.5 part of coupling agent, 5 ~
15 parts of soft water, 0.2 ~ 2 part of dispersant, 0.1 ~ 0.5 part of defoamer, 0.1 ~ 0.3 portion of preservative, 0.02 ~ 0.1 part of coalescents, 0.2
~ 1 part of antifreezing agent.
Described binding agent is polyvinyl acetate emulsion, polyacrylate emulsion, vinyl halide polymers emulsion, styrene
Polymer emulsion, acrylate styrene copolymer emulsion, acrylamide styrene copolymer latexes, diene polymer
Emulsion, alkadienes and the copolymer emulsion of other monomers, polymer emulsion based on fat hydrocarbon, epoxy resin latex, epoxy-
Acrylic acid ester emulsion, amino resin emulsion, Phenolic resin emulsion, polyamide emulsion, alkide resin emulsion, polyaminoester emulsion, have
At least one in machine resin emulsion.
Described thickening agent is fume colloidal silica, sodium bentonite, organobentonite, kieselguhr, attapulgite soil, divides
Son sieve, Silica hydrogel, methylcellulose, hydroxypropyl methyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, starch, bright
Glue, sodium alginate, casein, guar gum, chitosan, Radix Acaciae senegalis, xanthan gum, soybean glue, natural rubber, Pilus Caprae seu Ovis
Fat, agar, polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol oxide, modified paraffin resin, carbomer,
Polyacrylic acid, Polyacrylate Emulsion, butadiene rubber, butadiene-styrene rubber, polyurethane, modified polyurea, low-molecular polyethylene wax,
At least one in amino alcohol solvay-type titanate esters.
Described coupling agent is silane coupler, titanate coupling agent, aluminate coupling agent, zirconium ester coupling agent, rare earth
At least one in coupling agent.
Described dispersant is enuatrol, carboxylate, sulfuric acid, sulfonate, oleyl amine acetate, quaternary ammonium alkyl
Salt, amino propylamine dioleate, many amidos amidophosphoric acid salt of special modification, fatty acid ethylene oxide addition product, Polyethylene Glycol
At least one in type polyhydric alcohol, polyethylenimine derivates, phosphate ester salt high molecular polymer, oil amino oleic acid ester.
Described defoamer be organic silicon defoamer, polyether antifoam agent, Polyether Modified Polysiloxanes Defoaming Agent, mineral oil and
At least one in modifier, natural oil.
Described coalescents is at least one in alcohols, alkoxide, alcohol ethers, alcohol ether esters；Described preservative
For isothiazolinone derivatives, benzimidazole compound, substituted arene compound, organbromine compound, organic amine compound, three
At least one in piperazine compounds；Described antifreezing agent is low-carbon (LC) alcohols, di-alcohols, amide-type, alkylamine, fatty acid acyl
One or several in amine, organic acid esters.
The preparation method of ferrous metals waterborne anti-rust type magnetic force paint, comprises the following steps: by water, coupling agent, thickening agent, divide
Powder and nano-level thin-membrane cladded type ferrous metals soft magnetic powder mix homogeneously；Add defoamer, preservative, coalescents,
Mix homogeneously；Add binding agent, thickening agent and antifreezing agent, mix homogeneously.
The invention has the beneficial effects as follows:
(1) nano-level thin-membrane cladded type ferrous metals soft magnetic powder surface cover is inorganic oxide gel film, surface hydrophilic
Radix amount dramatically increases before being relatively coated with, and has the water oil-dispersing property of excellence, it is adaptable to various water oil environment；
(2) due to the inorganic oxide gel film on surface, there is good protection and insulating effect, so nano-level thin-membrane bag
Cover sections Base Metal soft magnetic powder and there is resistance to chemical attack and Heat stability is good feature, can be widely applied to coating, electromagnetic device
In field；
(3) the inorganic oxide gel film on nano-level thin-membrane cladded type ferrous metals soft magnetic powder surface has in coating system
There are special surface tension and polarity effect, make ferrous metals soft magnetic powder have " from lightweight " characteristic, enhance it soft
Anti-settling ability in magnetic coating, on the one hand can save formula thickening agent consumption, on the one hand can reduce ferrous metals well soft
The possibility of sedimentation is there is because of external stress effect in magnetic coating in transportation；
(4) due to nano-level thin-membrane cladded type ferrous metals soft magnetic powder, there is special resistance to chemical attack and heat stability, by
The ferrous metals soft magnetism coating that it prepares has the chemical stability of excellence in long time stored process, and does in reality
After dry film forming, ferrous metals soft magnetism coating antirust ability is improved significantly, and can pass through the relevant of salt air corrosion test
Standard；
(5) nano-level thin-membrane cladded type ferrous metals soft magnetic powder arranges compact in the coating so that coating has higher
Poly-magnetic density, magnetic attraction is high；
(6) present invention uses water prescription, harmless to environment and health of people green.
Detailed description of the invention
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder, is to be prepared from by the raw material of following weight portion: 100 ~ 500
Part ferrous metals soft magnetic powder, 0.1 ~ 2.5 part of dispersant, 10 ~ 80 parts of water, 0.2 ~ 1.5 part of catalyst, 5 ~ 50 parts of coupling agents and 50
~ 250 portions of organic diluents.
Preferably, described ferrous metals soft magnetic powder particle diameter is 10nm ~ 200 μm, it is further preferred that be 10 μm ~ 100 μ
m。
Preferably, described ferrous metals soft magnetic powder be spherical or irregular or the iron powder of lamellar, ferrum carbon system alloyed powder,
In ferrum Si system alloy powder, ferrum aluminum series alloy powder, ferrum sial system alloyed powder, ferrum nickel system alloy powder, ferrum Co-based alloy powder at least one
Kind.
Preferably, described coupling agent is silane coupling agent, silicate class coupling agent, titante coupling agent, zirconic acid
At least one in esters coupling agent, chromium complex coupling agent, aluminate coupling agent, rare-earth coupling agent.
Preferably, described catalyst be in ammonia, ethylenediamine, n-propylamine, 2-aminopropane., n-butylamine, tert-butylamine at least
A kind of.
Preferably, described organic diluent is industrial alcohol.
Corresponding, nano-level thin-membrane cladded type ferrous metals soft magnetic powder, it prepares in accordance with the following methods:
1. 10 ~ 80 parts of water by weight and 36 ~ 180 portions of organic diluents are implanted sequentially to the reaction of constant temperature intermittent stirring
Still, starts stirring, then by 100 ~ 500 parts of ferrous metals soft magnetic powders by weight and 0.1 ~ 2.5 part of dispersant successively
Put into constant temperature intermittent stirring reactor, then by 0.4 ~ 1.3 part of catalyst by weight and 7 ~ 35 portions of organic diluents
After mix homogeneously, it is injected into constant temperature intermittent stirring reactor, then 5 ~ 50 parts of coupling agents by weight and 7 ~ 35 parts is had
After machine diluent mix homogeneously, it is injected into constant temperature intermittent stirring reactor, starts thermostat, adjust the temperature to 25 ~ 65 DEG C, permanent
Reacted solidliquid mixture is obtained after temperature stir process 3 ~ 10h；
2. the 1. walked after, reacted solidliquid mixture is emitted into storage container, under room temperature, stands cooling and aging, mistake
Filter and collect solid, being the nano-level thin-membrane cladded type ferrous metals soft magnetic powder after surface processes；
3. be 1:(1.5 ~ 2 in the weight ratio of the weight of ferrous metals soft magnetic powder, water) ratio, be added sequentially to container
Rear stirring washing, filters the solidliquid mixture after washing and collects solid, is the nano-level thin-membrane bag after washing for the first time
Cover sections Base Metal soft magnetic powder, then by the cladded type ferrous metals soft magnetic powder after washing for the first time and first time washing institute
The water of consumption is added sequentially to stirring washing after container, is filtered and collects solid by the solidliquid mixture after washing, being second
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder after secondary washing, repeats operation until supernatant liquid is without ester after washing
Taste, is then 1:(1.8 ~ 2.2 in the weight ratio of the weight of ferrous metals soft magnetic powder, industrial alcohol) ratio, add successively
Enter after container stirring alcohol to wash, then the solidliquid mixture after being washed by alcohol filters and collects solid, is the nanoscale after alcohol is washed thin
Film cladded type ferrous metals soft magnet powder；
4. the nano-level thin-membrane cladded type ferrous metals soft magnetic powder after being washed by alcohol is placed in dry, i.e. obtains nano-level thin-membrane cladding
Sections Base Metal soft magnetic powder.
Ferrous metals waterborne anti-rust type magnetic force paint, is to be prepared from by the raw material of following weight portion: 40 ~ 70 parts of above-mentioned receiving
Meter level film coated sections Base Metal soft magnetic powder, 10 ~ 25 parts of binding agents, 0.2 ~ 3 part of thickening agent, 0.1 ~ 0.5 part of coupling agent, 5 ~
15 parts of soft water, 0.2 ~ 2 part of dispersant, 0.1 ~ 0.5 part of defoamer, 0.1 ~ 0.3 portion of preservative, 0.02 ~ 0.1 part of coalescents, 0.2
~ 1 part of antifreezing agent.
Preferably, described binding agent is polyvinyl acetate emulsion, polyacrylate emulsion, vinyl halide polymers breast
Liquid, styrene polymer emulsion, acrylate styrene copolymer emulsion, acrylamide styrene copolymer latexes, two
Olefin polymer emulsion, alkadienes and the copolymer emulsion of other monomers, polymer emulsion based on fat hydrocarbon, epoxy resin
Emulsion, epoxy-acrylate emulsion, amino resin emulsion, Phenolic resin emulsion, polyamide emulsion, alkide resin emulsion, poly-ammonia
At least one in ester emulsion, silicone resin emulsion.
Preferably, described thickening agent is fume colloidal silica, sodium bentonite, organobentonite, kieselguhr, attapulgite
Stone soil, molecular sieve, Silica hydrogel, methylcellulose, hydroxypropyl methyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, shallow lake
Powder, gelatin, sodium alginate, casein, guar gum, chitosan, Radix Acaciae senegalis, xanthan gum, soybean glue, natural rubber,
Lanoline, agar, polyacrylamide, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol oxide, modified paraffin resin, Ka Boshu
Fat, polyacrylic acid, Polyacrylate Emulsion, butadiene rubber, butadiene-styrene rubber, polyurethane, modified polyurea, low molecular polyethylene
At least one in wax, amino alcohol solvay-type titanate esters.
Preferably, described coupling agent is silane coupling agent, silicate class coupling agent, titante coupling agent, zirconic acid
At least one in esters coupling agent, chromium complex coupling agent, aluminate coupling agent, rare-earth coupling agent；Further preferably
, for silane coupler；Further preferred, for amino silicane coupling agent.
Preferably, described dispersant be enuatrol, carboxylate, sulfuric acid, sulfonate, oleyl amine acetate,
Alkyl quaternary ammonium salts, amino propylamine dioleate, many amidos amidophosphoric acid salt of special modification, fatty acid ethylene oxide addition product,
In polyethylene glycol type polyhydric alcohol, polyethylenimine derivates, phosphate ester salt high molecular polymer, oil amino oleic acid ester at least one
Kind.
Preferably, described defoamer is organic silicon defoamer, polyether antifoam agent, Polyether Modified Polysiloxanes Defoaming Agent, ore deposit
Thing oil and modifier, natural oil at least one.
Preferably, described coalescents is at least one in alcohols, alkoxide, alcohol ethers, alcohol ether esters；
Preferably, described preservative is isothiazolinone derivatives, benzimidazole compound, substituted arene compound, organic
At least one in bromine compounds, organic amine compound, compound in triazine class；Described antifreezing agent is low-carbon (LC) alcohols, dihydroxylic alcohols
At least one in class, amide-type, alkylamine, fatty acid amide, organic acid esters.
To should formula, the preparation method of ferrous metals waterborne anti-rust type magnetic force paint, comprise the following steps: by water, coupling
Agent, thickening agent, dispersant and nano-level thin-membrane cladded type ferrous metals soft magnetic powder mix homogeneously；Add defoamer, anticorrosion
Agent, coalescents, mix homogeneously；Add binding agent, thickening agent and antifreezing agent, mix homogeneously.
Below in conjunction with specific embodiment, the present invention is described further:
Embodiment 1:
(1) nano-level thin-membrane cladded type ferrous metals soft magnetic powder
Described nano-level thin-membrane cladded type ferrous metals soft magnetic powder, is prepared from by following raw material by weight:
300 parts of ferrous metals soft magnetic powders, 1.2 parts of dispersants, 40 parts of soft water, 1 part of catalyst, 25 parts of coupling agents and 150 parts have
Machine diluent.
Described nano-level thin-membrane cladded type ferrous metals soft magnetic powder preparation method comprises the following steps:
1. 40 parts of soft water by weight and 110 portions of organic diluents are implanted sequentially to constant temperature intermittent stirring reactor, open
Dynamic stirring.Then 300 parts of ferrous metals soft magnetic powders by weight and 1.2 parts of dispersants are put into successively to constant temperature interval
Stirred autoclave.Then by after 1 part of catalyst by weight and 20 parts of organic diluent mix homogeneously, it is injected between constant temperature
Have a rest stirred autoclave.Then by after 25 parts of coupling agents by weight and 20 parts of organic diluent mix homogeneously, it is injected into perseverance
Temperature intermittent stirring reactor, starts thermostat, adjusts the temperature to 45 DEG C, obtain reacted solid-liquid after constant temperature stir process 6h
Mixture.
2. the 1. walked after, reacted solidliquid mixture is emitted into storage container, under room temperature, stands cooling and aging
After 2h, filter and collect solid, being the nano-level thin-membrane cladded type ferrous metals soft magnetic powder after surface processes.
3. in the weight of ferrous metals soft magnetic powder: the weight ratio of soft water is the ratio of 1:1.5, it is added sequentially to hold
After device after stirring washing 10min, the solidliquid mixture after washing filtered and collects solid, being the nanometer after washing for the first time
Level film coated matrix shape ferrous metals soft magnetic powder.Then by the cladded type ferrous metals soft magnetic powder after for the first time washing and
After the water of washing amount used is added sequentially to container for the first time after stirring washing 10min, the solidliquid mixture after washing is filtered
And collect solid, it is the nano-level thin-membrane cladded type ferrous metals soft magnetic powder after second time washing, repeats operation straight
To washing, supernatant liquid is without ester taste.Then by the weight of ferrous metals soft magnetic powder: the weight ratio of industrial alcohol is 1:2's
Ratio, stirs after alcohol washes 10min after being added sequentially to container, then the solidliquid mixture after being washed by alcohol filters and collects solid, i.e.
Nano-level thin-membrane cladded type lamellar ferrous metals soft magnetic powder after washing for alcohol.
4. the nano-level thin-membrane cladded type ferrous metals soft magnetic powder after being washed by alcohol is placed in constant pressure and dry 12h at 50 DEG C, i.e.
Obtain nano-level thin-membrane cladded type ferrous metals soft magnetic powder.
Described ferrous metals soft magnetic powder particle diameter is distributed as 10 μm ~ 40 μm；Described ferrous metals soft magnetic powder is lamellar
Ferrum Si system alloy；Described coupling agent is silicate class coupling agent；Described catalyst is ethylenediamine and ammonia water mixture；Described
Dispersant is fatty acid ethylene oxide addition product；Described organic diluent is industrial alcohol.
(2) ferrous metals waterborne anti-rust type magnetic force paint
Described ferrous metals waterborne anti-rust type magnetic force paint, is prepared from by following raw material by weight:
60 parts of nano-level thin-membrane cladded type ferrous metals soft magnetic powders, 18 parts of binding agents, 0.7 part of thickening agent, 0.3 part silane coupled
Agent, 10 parts of soft water, 1.1 parts of dispersants, 0.3 part of defoamer, 0.2 portion of preservative, 0.06 part of coalescents and 0.5 part of antifreezing agent.
Described nano-level thin-membrane cladded type ferrous metals soft magnetic powder preparation method, is realized by following steps:
1. 10 parts of soft water by weight, 0.3 part of silane coupler, 0.5 part of thickening agent, 1.1 parts of dispersants and 60 parts are received
Meter level film coated sections Base Metal soft magnetic powder puts into successively and is uniformly mixed to stirred tank；
2. the 1. walked after, 0.3 part of defoamer by weight, 0.2 part of preservative, 0.06 part of coalescents are added
1. walk in described stirred tank to and continue to be uniformly mixed；
3. 2. walked after, 18 parts of binding agents by weight, 0.3 part of thickening agent and 0.5 part of antifreezing agent are sequentially added into
2. walk to and described stirred tank continues to be uniformly mixed, i.e. prepare ferrous metals waterborne anti-rust type magnetic force paint.
Described binding agent is styrene polymer and copolymer emulsion thereof；Described thickening agent be cellulose ether, poly-third
Olefin(e) acid salt thickening emulsion and polyurethane thickener；Described silane coupler is amino silane coupler；Described dispersant
For fatty acid ethylene oxide addition product；Described defoamer is mineral oil；Described coalescents is alkoxide；Described anticorrosion
Agent is isothiazolinone derivatives；Described antifreezing agent is di-alcohols.
The magnetic force paint of embodiment 1 has carried out following experiment:
Rust-proof type magnetic force paint embodiment 1 obtained is coated in the PET film that 0.085mm is thick, and coating layer thickness is 0.30mm, treats
After coating dry solidification 3h, it is attached on smooth glass surface, with 1.5mm magnetic moment, 100Gs table magnetic, area is
100cm2The strain gauge of circular magnetic glue test panel to measure coating vertical tension data be 1.80g/cm2。
Rust-proof type magnetic force lacquer coat after above-mentioned dry solidification is placed in neutral salt fog chamber, and after salt air corrosion 1 week, coating is not
There is any corrosion phenomena.
Rust-proof type magnetic force paint embodiment 1 obtained is contained in the clear glass reagent bottle of 250mL band sealing-plug, then puts
Store 30d in 50 DEG C of calorstats, do not occur any to addle, lump, the bad phenomenon such as bubbling.
Rust-proof type magnetic force paint embodiment 1 obtained is contained in the clear glass reagent bottle of 250mL band sealing-plug, then puts
In 50 DEG C of water bath with thermostatic control agitators, frequency of oscillation is 100rpm, and oscillation amplitude is 2cm, after simulation transport test 30d, does not finds
Substantially sedimentation, the phenomenon that addles of luming.
Embodiment 2:
(1) nano-level thin-membrane cladded type ferrous metals soft magnetic powder
The preparation method of described nano-level thin-membrane cladded type ferrous metals soft magnetic powder, with embodiment 1, wherein:
The 1. in step, and first 10 parts soft water and 36 portions of organic diluents are placed in stirred tank and are stirred mixing, sequentially add 100
Part ferrous metals soft magnetic powder and 0.1 part of dispersant, be subsequently adding 0.2 part of catalyst and 7 parts of organic diluent mixture, finally
Add 5 parts of coupling agents and 7 parts of organic diluent mixture, under the conditions of temperature is 65 DEG C, stir process 10h.
The 2. in step, and room temperature stands cooling and aging 3h.
The 3. in step, the weight of ferrous metals soft magnetic powder: the weight ratio of soft water is 1:1.75.
The 4. in step, and temperature is 60 DEG C, and drying time is 9h.
Described ferrous metals soft magnetic powder major axis is a diameter of 40 μm ~ 70 μm in direction；Described ferrous metals soft magnet powder
End is irregular ferrum aluminum series alloy；Described coupling agent is silane coupling agent；Described catalyst is ethylenediamine；Described
Dispersant be amino propylamine dioleate；Remaining is with embodiment 1.
(2) ferrous metals waterborne anti-rust type magnetic force paint
The preparation method of described ferrous metals waterborne anti-rust type magnetic force paint is with embodiment 1, wherein:
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder is 40 parts, binding agent is 12 parts, thickening agent is 1.2 parts, silane is even
Connection agent is 0.15 part, soft water is 6 parts, dispersant is 0.2 part, defoamer is 0.1 part, preservative is 0.1 part, coalescents is
0.036 part is 0.3 part with antifreezing agent.
Described binding agent is acrylate copolymer and copolymer emulsion thereof；Described thickening agent is cellulose ether and poly-third
Olefin(e) acid salt thickening emulsion；Described dispersant is sulfonate；Described defoamer is polydimethylsiloxane；Described film forming helps
Agent is alcohol ethers；Described preservative is benzimidazole compound；Described antifreezing agent is di-alcohols.
The magnetic force paint of embodiment 2 has carried out such as the identical experiment of embodiment 1:
Coating vertical tension data measured by strain gauge is 1.83g/cm2；After salt air corrosion 1 week, coating does not occurs any corrosion existing
As；It is placed in 50 DEG C of calorstats storage 30d, does not occurs any to addle, lump, the bad phenomenon such as bubbling；Simulation transport test 30d
After, do not find substantially to settle, the phenomenon that addles of luming.
Embodiment 3:
(1) nano-level thin-membrane cladded type ferrous metals soft magnetic powder
The preparation method of described nano-level thin-membrane cladded type ferrous metals soft magnetic powder, with embodiment 1, wherein:
The 1. in step, and first 80 parts soft water and 180 portions of organic diluents are placed in stirred tank and are stirred mixing, sequentially add
500 parts of ferrous metals soft magnetic powders and 2.5 parts of dispersants, be subsequently adding 1.3 parts of catalyst and 35 parts of organic diluent mixture,
It is eventually adding 50 parts of coupling agents and 35 parts of organic diluent mixture, under the conditions of temperature is 35 DEG C, stir process 3h.
The 2. in step, and room temperature stands cooling and aging 1h.
The 3. in step, the weight of ferrous metals soft magnetic powder: the weight ratio of soft water is 1:1.2.
The 4. in step, and temperature is 80 DEG C, and drying time is 6h.
Described ferrous metals soft magnetic powder major axis is a diameter of 70 μm ~ 100 μm in direction；Described ferrous metals soft magnet powder
End is spherical ferrum carbon system alloy；Described coupling agent is titante coupling agent；Described catalyst is ammonia；Remaining is with implementing
Example 1.
(2) ferrous metals waterborne anti-rust type magnetic force paint
The preparation method of described ferrous metals waterborne anti-rust type magnetic force paint is with embodiment 1, wherein:
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder is 70 parts, binding agent is 21 parts, thickening agent is 1.7 parts, silane is even
Connection agent is 0.5 part, soft water is 12 parts, dispersant is 1.5 parts, defoamer is 0.5 part, preservative is 0.3 part, coalescents is
0.1 part is 1 part with antifreezing agent.
Described binding agent is polyvinyl acetate and polymer emulsion thereof；Described thickening agent is cellulose ether and poly-ammonia
Ester thickener；Described dispersant is phosphate ester salt high molecular polymer；Described defoamer is natural oil；Described film forming
Auxiliary agent is alcohol ether esters；Described preservative is substituted arene compound；Described antifreezing agent is di-alcohols.
The magnetic force paint of embodiment 3 has carried out such as the identical experiment of embodiment 1:
Coating vertical tension data measured by strain gauge is 1.74g/cm2；After salt air corrosion 1 week, coating does not occurs any corrosion existing
As；It is placed in 50 DEG C of calorstats storage 30d, does not occurs any to addle, lump, the bad phenomenon such as bubbling；Simulation transport test 30d
After, do not find substantially to settle, the phenomenon that addles of luming.
Claims (10)
1. nano-level thin-membrane cladded type ferrous metals soft magnetic powder, it is characterised in that be by the raw material preparation of following weight portion
Become: 100 ~ 500 parts of ferrous metals soft magnetic powders, 0.1 ~ 2.5 part of dispersant, 10 ~ 80 parts of water, 0.2 ~ 1.5 part of catalyst, 5 ~ 50 parts
Coupling agent and 50 ~ 250 portions of organic diluents.
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder the most according to claim 1, it is characterised in that described iron-based
Soft magnetic metal powder particle diameter is 10nm ~ 200 μm.
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder the most according to claim 2, it is characterised in that described iron-based
Soft magnetic metal powder is spherical or irregular or the iron powder of lamellar, ferrum carbon system alloyed powder, ferrum Si system alloy powder, ferrum aluminum series alloy
At least one in powder, ferrum sial system alloyed powder, ferrum nickel system alloy powder, ferrum Co-based alloy powder.
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder the most according to claim 3, it is characterised in that described idol
Connection agent is silane coupling agent, silicate class coupling agent, titante coupling agent, zirconate coupling agent, chromium complex class idol
At least one in connection agent, aluminate coupling agent, rare-earth coupling agent.
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder the most according to claim 4, it is characterised in that described urges
Agent is at least one in ammonia, ethylenediamine, n-propylamine, 2-aminopropane., n-butylamine, tert-butylamine.
6. require described nano-level thin-membrane cladded type ferrous metals soft magnetic powder according to right 5, it is characterised in that described has
Machine diluent is industrial alcohol.
7. according to the nano-level thin-membrane cladded type ferrous metals soft magnetic powder described in any one in claim 1-6, its feature
Being, it is prepared in accordance with the following methods:
1. 10 ~ 80 parts of water by weight and 36 ~ 180 portions of organic diluents are implanted sequentially to the reaction of constant temperature intermittent stirring
Still, starts stirring, then by 100 ~ 500 parts of ferrous metals soft magnetic powders by weight and 0.1 ~ 2.5 part of dispersant successively
Put into constant temperature intermittent stirring reactor, then by 0.4 ~ 1.3 part of catalyst by weight and 7 ~ 35 portions of organic diluents
After mix homogeneously, it is injected into constant temperature intermittent stirring reactor, then 5 ~ 50 parts of coupling agents by weight and 7 ~ 35 parts is had
After machine diluent mix homogeneously, it is injected into constant temperature intermittent stirring reactor, starts thermostat, adjust the temperature to 25 ~ 65 DEG C, permanent
Reacted solidliquid mixture is obtained after temperature stir process 3 ~ 10h；
2. the 1. walked after, reacted solidliquid mixture is emitted into storage container, under room temperature, stands cooling and aging, mistake
Filter and collect solid, being the nano-level thin-membrane cladded type ferrous metals soft magnetic powder after surface processes；
3. be 1:(1.5 ~ 2 in the weight ratio of the weight of ferrous metals soft magnetic powder, water) ratio, be added sequentially to container
Rear stirring washing, filters the solidliquid mixture after washing and collects solid, is the nano-level thin-membrane bag after washing for the first time
Cover sections Base Metal soft magnetic powder, then by the cladded type ferrous metals soft magnetic powder after washing for the first time and first time washing institute
The water of consumption is added sequentially to stirring washing after container, is filtered and collects solid by the solidliquid mixture after washing, being second
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder after secondary washing, repeats operation until supernatant liquid is without ester after washing
Taste, is then 1:(1.8 ~ 2.2 in the weight ratio of the weight of ferrous metals soft magnetic powder, industrial alcohol) ratio, add successively
Enter after container stirring alcohol to wash, then the solidliquid mixture after being washed by alcohol filters and collects solid, is the nanoscale after alcohol is washed thin
Film cladded type ferrous metals soft magnet powder；
4. the nano-level thin-membrane cladded type ferrous metals soft magnetic powder after being washed by alcohol is placed in dry, i.e. obtains nano-level thin-membrane cladding
Sections Base Metal soft magnetic powder.
8. ferrous metals waterborne anti-rust type magnetic force paint, it is characterised in that: it is to be prepared from by the raw material of following weight portion: 40 ~ 70
Nano-level thin-membrane cladded type ferrous metals soft magnetic powder part according to any one of claim 1-6,10 ~ 25 parts of binding agents, 0.2
~ 3 parts of thickening agents, 0.1 ~ 0.5 part of coupling agent, 5 ~ 15 parts of soft water, 0.2 ~ 2 part of dispersant, 0.1 ~ 0.5 part of defoamer, 0.1 ~ 0.3 part
Preservative, 0.02 ~ 0.1 part of coalescents, 0.2 ~ 1 part of antifreezing agent.
9. require described ferrous metals waterborne anti-rust type magnetic force paint according to right 8, it is characterised in that described binding agent is poly-
Vinyl acetate emulsion, polyacrylate emulsion, vinyl halide polymers emulsion, styrene polymer emulsion, acrylate benzene
Ethylene copolymer emulsion, acrylamide styrene copolymer latexes, diene polymer emulsion, alkadienes and other monomers
Copolymer emulsion, polymer emulsion based on fat hydrocarbon, epoxy resin latex, epoxy-acrylate emulsion, amino resins breast
In liquid, Phenolic resin emulsion, polyamide emulsion, alkide resin emulsion, polyaminoester emulsion, silicone resin emulsion at least one
Kind.
10. the preparation method of the ferrous metals waterborne anti-rust type magnetic force paint described in claim 9, is characterised by: include following step
Rapid: by water, coupling agent, thickening agent, dispersant and nano-level thin-membrane cladded type ferrous metals soft magnetic powder mix homogeneously；Add
Defoamer, preservative, coalescents, mix homogeneously；Add binding agent, thickening agent and antifreezing agent, mix homogeneously.
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| CN111171659A (en) * | 2020-02-24 | 2020-05-19 | 四会市中日化工实业有限公司 | Water-based environment-friendly paint for automobile exterior and preparation method thereof |
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| CN113539661A (en) * | 2021-07-19 | 2021-10-22 | 安徽瑞德磁电科技有限公司 | Rust-proof treatment method for iron-based alloy magnetic powder core |
| CN113539661B (en) * | 2021-07-19 | 2022-08-02 | 安徽瑞德磁电科技有限公司 | Rust-proof treatment method for iron-based alloy magnetic powder core |
| CN114589948A (en) * | 2022-03-11 | 2022-06-07 | 广州泽矩科技股份有限公司 | Automobile film and preparation method thereof |
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Address after: No.4, Canghai 4th Road, Yonghe Economic Zone, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong 511356 Patentee after: Guangzhou xinlaifu New Material Co.,Ltd. Address before: No.4, Canghai 4th Road, Yonghe Economic Zone, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong 511356 Patentee before: Guangzhou Newlife Magnet Electricity Co.,Ltd. |