CN106189452A - A kind of water-fast aluminum pigment with good magnetic - Google Patents

A kind of water-fast aluminum pigment with good magnetic Download PDF

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Publication number
CN106189452A
CN106189452A CN201610595044.2A CN201610595044A CN106189452A CN 106189452 A CN106189452 A CN 106189452A CN 201610595044 A CN201610595044 A CN 201610595044A CN 106189452 A CN106189452 A CN 106189452A
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water
aluminium powder
powder
minute
add
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董前年
周辉
谷圣军
操玉节
朱双单
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HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd
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HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd
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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
    • C09D5/103—Anti-corrosive paints containing metal dust containing Al
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/62—Metallic pigments or fillers
    • C09C1/64—Aluminium
    • C09C1/648—Aluminium treated with inorganic and organic, e.g. polymeric, compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C09C3/063—Coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/10—Treatment with macromolecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/12—Treatment with organosilicon compounds
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
    • 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
    • C09D11/00—Inks
    • C09D11/50—Sympathetic, colour changing or similar inks
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

nullThe invention discloses a kind of water-fast aluminum pigment with good magnetic，It is made up of the raw material of following weight portion: flake aluminum 40 45、Isopropanol 100 110、Copper sulfate crystal 0.3 0.35、Deionized water is appropriate、2, 2-Oxydiphenol type phosphate ester 4 4.5、Dehydrated alcohol is appropriate、Tetraethyl orthosilicate 9 10、VTES 67、Concentration is the ammonia 9 10 of 20wt%、Butyl acetate 200 220、Acrylic acid 56、Methacrylic acid 56、Dibenzoyl peroxide 0.6 0.65、Propylene glycol monomethyl ether 13 15、Ethylene-vinyl acetate wax 1 1.5、Dimethicone 23、Carboxymethyl cellulose 0.8 1、Ferrous sulfate 67、Anhydrous sodium acetate 34、Concentration is the sodium hydroxide solution 45 of 10wt%、Citric acid 34、Sodium lauryl sulphate 0.3 0.5.The present invention can apply in magnetic printing ink.

Description

A kind of water-fast aluminum pigment with good magnetic
Technical field
The present invention relates to pigment technology field, particularly relate to a kind of water-fast aluminum pigment with good magnetic.
Background technology
Aluminum pigment is one of important metallic pigments, because of aesthetic and the anti-corrosive properties of its uniqueness, is coated with in anticorrosion in recent years Material, industrial coating, car paint, architecture indoor exterior decoration coating, paint for domestic electric appliance, printing-ink and Plastics Processing Industry obtain Obtain and extensively apply.Along with constantly strengthening and government's environmental regulation the most perfect of people's environmental consciousness, conventional organic solvents Type coating will necessarily be replaced by environment-friendlywater-based water-based paint, the aluminum pigment of the aluminum pigment used by water paint and solvent based coating Having different requirements: first, surface of pigments must be hydrophilic, can be effectively dispersed in water, secondly must keep in aqueous medium Higher chemical stability.But, the chemical property of aluminum is relatively more active, easily reacts with oxygen or water, and this not only corrodes Aluminum surface of pigments, have impact on metallic luster and the stability of aluminum, the most also can cause blast, bring unsafe factor to production. Therefore the Water-borne modification research of aluminum pigment becomes focus, and achieved with certain progress.
In " copper ion alumina powder strengthens the phosphate ester corrosion inhibition to aluminum pigment " literary composition, use copper ion alumina powder Realizing aluminium powder surface hydroxylation, then using 2, 2-Oxydiphenol type phosphate ester as corrosion inhibiter, preparation method is simple, is harmful to without to organism Chromate, molybdate, the composition such as nitrite, have certain affinity with aluminum surface of pigments, rate of metal corrosion can be made bright Aobvious reduction.Although the method adding inhibitor in aluminum pigments system can suppress the corrosion rate of aluminum, but corrosion mitigating effect has Limit, extends and contacts with water-based system coating, ink etc., and aluminum pigment still can cause certain corrosion, reduces metallic luster There is also potential safety hazard simultaneously.This is accomplished by the basis of original inhibitor modification being modified, and improves aluminum pigment further Corrosion resistance, thus improve application in the product such as water paint, ink.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of water-fast aluminum face with good magnetic Material.
The present invention is achieved by the following technical solutions:
A kind of water-fast aluminum pigment with good magnetic, is made up of the raw material of following weight portion: flake aluminum 40-45, different Propanol 100-110, copper sulfate crystal 0.3-0.35, deionized water are appropriate, 2, 2-Oxydiphenol type phosphate ester 4-4.5, dehydrated alcohol in right amount, just Silester 9-10, VTES 6-7, concentration are the ammonia 9-10 of 20wt%, butyl acetate 200-220, propylene Acid 5-6, methacrylic acid 5-6, dibenzoyl peroxide 0.6-0.65, propylene glycol monomethyl ether 13-15, ethene-vinyl acetate wax 1-1.5, dimethicone 2-3, carboxymethyl cellulose 0.8-1, ferrous sulfate 6-7, anhydrous sodium acetate 3-4, concentration are 10wt%'s Sodium hydroxide solution 4-5, citric acid 3-4, sodium lauryl sulphate 0.3-0.5.
Described a kind of water-fast aluminum pigment with good magnetic, is made up of step in detail below:
(1) flake aluminum is put in reactor, add isopropanol, 2, 2-Oxydiphenol type phosphate ester, be heated to 40-50 DEG C, stirring reaction 60-80 minute, copper sulfate crystal is dissolved in the deionized water of 40-50 times amount formation solution and is slowly added to above-mentioned reaction system In, controlling to add for 15-20 minute, constant temperature stirs 90-120 minute, sucking filtration, is vacuum dried at 55-60 DEG C, obtains inhibition modified Aluminium powder；
(2) tetraethyl orthosilicate is mixed with VTES, add the dehydrated alcohol of total amount 2-2.5 times amount, formed Mixed liquor A is stand-by；In the ammonia that concentration is 20wt%, add the deionized water of 1.5-2 times amount, the dehydrated alcohol of 3-4 times amount, stir Mix that to be formed uniformly mixed liquid B stand-by；Is added the dehydrated alcohol of 10-12 times amount, so in the inhibition modified aluminium powder that step (1) is obtained After be warming up to 50-60 DEG C, mixed liquor A and B drip are added in reaction system, are incubated 4-5 hour after dropping, stop adding Heat, filters, and uses absolute ethanol washing product, is finally vacuum dried at 50-60 DEG C, obtains monolayer cladding aluminium powder；
(3) acrylic acid, methacrylic acid, dibenzoyl peroxide are added the formation that stirs in the butyl acetate of half amount mixed Conjunction liquid is stand-by；The butyl acetate adding surplus in once cladding aluminium powder step (2) obtained is total, ultrasonic disperse 120-150 Minute, be subsequently adding above-mentioned mixed liquor, with 350-400 turn/speed of part is stirred and heated to 85 DEG C, insulation reaction 5-6 hour, It is cooled to sucking filtration after room temperature, is vacuum dried at 55-60 DEG C, obtains dual cladding aluminium powder；
(4)) by ferrous sulfate, anhydrous sodium acetate, citric acid mixing, adding the deionized water of total amount 2-3 times amount, stirring is to completely Dissolve and form solution for later use；In above-mentioned solution add concentration be the sodium hydroxide solution of 10wt%, heating in water bath to 70-80 DEG C, Stir reaction 30-40 minute, centrifugal, filtration with the speed of 600-800 rev/min, be dried at 90-100 DEG C Powder；Finally dried powder and carboxymethyl cellulose are sent in comminutor jointly, extruding pelletization, finally granule is pulverized, mistake 200 mesh sieves, obtain magnetic powder；
(5) magnetic powder that dual cladding aluminium powder step (3) obtained obtains with step (4) mixes, add propylene glycol monomethyl ether with And remaining residual components, put in kneader and mediate 30-40 minute, be finally vacuum dried, obtain the present invention.
The invention have the advantage that the present invention first passes through copper ion aluminium oxide and realizes aluminium powder surface hydroxylation, can adsorb 2, 2-Oxydiphenol type phosphate ester, has certain corrosion inhibition；Then by a series of technique by silicon dioxide and polyacrylate Be respectively coated by inhibition modified aluminium powder surface, form fine and close nucleocapsid structure, can effectively shield aluminium powder core, prevent aluminum pigment with Water or air dielectric come in contact reaction, and dual cladding significantly improves the corrosion resistance of aluminum pigment；The aluminum pigment of preparation is applied to be coated with Good dispersion property in material, appearance of film flat smooth, glossiness is good, good to the adhesive force of coating.
The present invention prepares ferroso-ferric oxide powder body by a series of reaction, it is possible to well mix with cladding aluminium powder, system The aluminum pigment cladding become closely uniformly, is difficult to be corroded, water-fast, is provided simultaneously with good magnetic, can be used in bank note, stamp, In the magnetic anti-counterfeit printing-ink of invoice, bank book, magnetic card, antifalsification label etc..
Detailed description of the invention
A kind of water-fast aluminum pigment with good magnetic, is made up of the raw material of following weight portion (kilogram): flaky aluminum Powder 40, isopropanol 100, copper sulfate crystal 0.3, deionized water are appropriate, 2, 2-Oxydiphenol type phosphate ester 4, dehydrated alcohol silicic acid second appropriate, positive Ester 9, VTES 6, concentration are the ammonia 9 of 20wt%, butyl acetate 200, acrylic acid 5, methacrylic acid 5, mistake Oxidation dibenzoyl 0.6, propylene glycol monomethyl ether 13, ethylene-vinyl acetate wax 1, dimethicone 2, carboxymethyl cellulose 0.8, sulfur Acid ferrous iron 6, anhydrous sodium acetate 3, concentration are the sodium hydroxide solution 4 of 10wt%, citric acid 3, sodium lauryl sulphate 0.3.
Described a kind of water-fast aluminum pigment with good magnetic, is made up of step in detail below:
(1) flake aluminum is put in reactor, add isopropanol, 2, 2-Oxydiphenol type phosphate ester, be heated to 40 DEG C, stirring reaction 60 points Clock, is dissolved in copper sulfate crystal in the deionized water of 40 times amount formation solution and is slowly added in above-mentioned reaction system, control 15 points Clock adds, and constant temperature stirs 90 minutes, sucking filtration, is vacuum dried, obtains inhibition modified aluminium powder at 55 DEG C；
(2) tetraethyl orthosilicate is mixed with VTES, add the dehydrated alcohol of total amount 2 times amount, form mixing Liquid A is stand-by；Adding the deionized water of 1.5 times amount, the dehydrated alcohol of 3 times amount in the ammonia that concentration is 20wt%, stir shape Become mixed liquid B stand-by；Is added in the inhibition modified aluminium powder that step (1) is obtained the dehydrated alcohol of 10 times amount, then heats to 50 DEG C, mixed liquor A and B drip are added in reaction system, after dropping, are incubated 4 hours, stop heating, filter, with anhydrous Washing with alcohol product, is finally vacuum dried at 50 DEG C, obtains monolayer cladding aluminium powder；
(3) acrylic acid, methacrylic acid, dibenzoyl peroxide are added the formation that stirs in the butyl acetate of half amount mixed Conjunction liquid is stand-by；The butyl acetate adding surplus in once cladding aluminium powder step (2) obtained is total, ultrasonic disperse 120 minutes, It is subsequently adding above-mentioned mixed liquor, is stirred and heated to 85 DEG C with the speed of 350 turns/part, insulation reaction 5 hours, it is cooled to room temperature Rear sucking filtration, is vacuum dried at 55 DEG C, obtains dual cladding aluminium powder；
(4)) by ferrous sulfate, anhydrous sodium acetate, citric acid mixing, adding the deionized water of total amount 2 times amount, stirring is to the most molten Solve and form solution for later use；Adding concentration in above-mentioned solution is the sodium hydroxide solution of 10wt%, and heating in water bath to 70 DEG C, with 600 Rev/min speed stirring reaction 30 minutes, centrifugal, filter, at 90 DEG C, vacuum drying obtains dried powder；Finally by xeraphium End and carboxymethyl cellulose are sent in comminutor jointly, extruding pelletization, are finally pulverized by granule, cross 200 mesh sieves, obtain magnetic powder；
(5) magnetic powder that dual cladding aluminium powder step (3) obtained obtains with step (4) mixes, add propylene glycol monomethyl ether with And remaining residual components, put in kneader and mediate 30 minutes, be finally vacuum dried, obtain the present invention.
Through inspection, product of the present invention good dispersion in water-based system, inhibition efficiency is 97.9%, and coating gloss is 110.3Gs。

Claims (2)

1. a water-fast aluminum pigment with good magnetic, it is characterised in that be made up of the raw material of following weight portion: lamellar Aluminium powder 40-45, isopropanol 100-110, copper sulfate crystal 0.3-0.35, deionized water are appropriate, 2, 2-Oxydiphenol type phosphate ester 4-4.5, nothing Water-ethanol is appropriate, tetraethyl orthosilicate 9-10, VTES 6-7, concentration are the ammonia 9-10 of 20wt%, acetic acid fourth Ester 200-220, acrylic acid 5-6, methacrylic acid 5-6, dibenzoyl peroxide 0.6-0.65, propylene glycol monomethyl ether 13-15, second Alkene-vinyl acetate wax 1-1.5, dimethicone 2-3, carboxymethyl cellulose 0.8-1, ferrous sulfate 6-7, anhydrous sodium acetate 3-4, Concentration is the sodium hydroxide solution 4-5 of 10wt%, citric acid 3-4, sodium lauryl sulphate 0.3-0.5.
A kind of water-fast aluminum pigment with good magnetic, it is characterised in that by step in detail below Make:
(1) flake aluminum is put in reactor, add isopropanol, 2, 2-Oxydiphenol type phosphate ester, be heated to 40-50 DEG C, stirring reaction 60-80 minute, copper sulfate crystal is dissolved in the deionized water of 40-50 times amount formation solution and is slowly added to above-mentioned reaction system In, controlling to add for 15-20 minute, constant temperature stirs 90-120 minute, sucking filtration, is vacuum dried at 55-60 DEG C, obtains inhibition modified Aluminium powder；
(2) tetraethyl orthosilicate is mixed with VTES, add the dehydrated alcohol of total amount 2-2.5 times amount, formed Mixed liquor A is stand-by；In the ammonia that concentration is 20wt%, add the deionized water of 1.5-2 times amount, the dehydrated alcohol of 3-4 times amount, stir Mix that to be formed uniformly mixed liquid B stand-by；Is added the dehydrated alcohol of 10-12 times amount, so in the inhibition modified aluminium powder that step (1) is obtained After be warming up to 50-60 DEG C, mixed liquor A and B drip are added in reaction system, are incubated 4-5 hour after dropping, stop adding Heat, filters, and uses absolute ethanol washing product, is finally vacuum dried at 50-60 DEG C, obtains monolayer cladding aluminium powder；
(3) acrylic acid, methacrylic acid, dibenzoyl peroxide are added the formation that stirs in the butyl acetate of half amount mixed Conjunction liquid is stand-by；The butyl acetate adding surplus in once cladding aluminium powder step (2) obtained is total, ultrasonic disperse 120-150 Minute, be subsequently adding above-mentioned mixed liquor, with 350-400 turn/speed of part is stirred and heated to 85 DEG C, insulation reaction 5-6 hour, It is cooled to sucking filtration after room temperature, is vacuum dried at 55-60 DEG C, obtains dual cladding aluminium powder；
(4)) by ferrous sulfate, anhydrous sodium acetate, citric acid mixing, adding the deionized water of total amount 2-3 times amount, stirring is to completely Dissolve and form solution for later use；In above-mentioned solution add concentration be the sodium hydroxide solution of 10wt%, heating in water bath to 70-80 DEG C, Stir reaction 30-40 minute, centrifugal, filtration with the speed of 600-800 rev/min, be dried at 90-100 DEG C Powder；Finally dried powder and carboxymethyl cellulose are sent in comminutor jointly, extruding pelletization, finally granule is pulverized, mistake 200 mesh sieves, obtain magnetic powder；
(5) magnetic powder that dual cladding aluminium powder step (3) obtained obtains with step (4) mixes, add propylene glycol monomethyl ether with And remaining residual components, put in kneader and mediate 30-40 minute, be finally vacuum dried, obtain the present invention.
CN201610595044.2A 2016-07-27 2016-07-27 A kind of water-fast aluminum pigment with good magnetic Pending CN106189452A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107262710A (en) * 2017-06-26 2017-10-20 俞惠英 A kind of preparation method of cu-zn alloy powder

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Publication number Priority date Publication date Assignee Title
CN104962185A (en) * 2015-06-03 2015-10-07 陕西科技大学 Graphene-loaded nanometer Fe3O4/aqueous polyurethane composite magnetic conductive wave absorbing coating material and preparation method thereof
CN105482514A (en) * 2015-12-15 2016-04-13 常熟市环虹化工颜料厂 Method for preparing corrosion inhibition waterborne aluminum pigment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107262710A (en) * 2017-06-26 2017-10-20 俞惠英 A kind of preparation method of cu-zn alloy powder

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