CN106084959A - A kind of high light corrosion-resistant based aluminum pigment of high stable - Google Patents

A kind of high light corrosion-resistant based aluminum pigment of high stable Download PDF

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Publication number
CN106084959A
CN106084959A CN201610595078.1A CN201610595078A CN106084959A CN 106084959 A CN106084959 A CN 106084959A CN 201610595078 A CN201610595078 A CN 201610595078A CN 106084959 A CN106084959 A CN 106084959A
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China
Prior art keywords
minute
add
aluminium powder
times amount
obtains
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CN201610595078.1A
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Chinese (zh)
Inventor
董前年
谷圣军
周辉
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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Priority to CN201610595078.1A priority Critical patent/CN106084959A/en
Publication of CN106084959A publication Critical patent/CN106084959A/en
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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
    • 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

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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

The invention discloses a kind of high light corrosion-resistant based aluminum pigment of high stable, 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, polyvinyl alcohol 1.2 1.5, sodium polyacrylate 0.3 0.4, nano antimony tin oxide 67, dimethicone 1.2 1.4, polydimethylsiloxane 0.8 1.The product that the present invention makes is not corroded in water-based system, and stability is strong.

Description

A kind of high light corrosion-resistant based aluminum pigment of high stable
Technical field
The present invention relates to pigment technology field, particularly relate to a kind of high light corrosion-resistant based aluminum pigment of high stable.
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 high light high stable corrosion-resistant aqueous aluminum Pigment.
The present invention is achieved by the following technical solutions:
A kind of high light corrosion-resistant based aluminum pigment of high stable, 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 suitable Amount, tetraethyl orthosilicate 9-10, VTES 6-7, concentration are the ammonia 9-10 of 20wt%, butyl acetate 200- 220, acrylic acid 5-6, methacrylic acid 5-6, dibenzoyl peroxide 0.6-0.65, propylene glycol monomethyl ether 13-15, polyvinyl alcohol 1.2-1.5, sodium polyacrylate 0.3-0.4, nano antimony tin oxide 6-7, dimethicone 1.2-1.4, polydimethylsiloxane 0.8-1。
Described a kind of high light corrosion-resistant based aluminum pigment of high stable, 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) will in nano antimony tin oxide add 8-10 times amount deionized water, dispersed with stirring add the most afterwards polyvinyl alcohol, poly-third Olefin(e) acid sodium, after continuing to stir 50-60 minute with the speed of 300-400 rev/min, ultrasonic disperse 30-40 minute, is finally spray-dried, Obtain modified oxidized stannum antimony powder end；Modified oxidized stannum antimony powder end is put in high speed mixer, add except propylene glycol monomethyl ether it Remaining outer residual components, stirs 15-20 minute with the speed of 800-1000 rev/min, discharging, pulverizes, and crosses 200 mesh sieves, obtains Add auxiliary agent；
(5) the interpolation auxiliary agent that dual cladding aluminium powder step (3) obtained obtains with step (4) mixes, and adds propylene glycol list first Ether, puts in kneader and mediates 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 adds the nano antimony tin oxide powder of modification in the preparation of aluminum pigment, and light transmittance is good, does not interferes with aluminum The bright property of pigment, enhances the stability of aluminum pigment simultaneously so that the product made is not corroded in water-based system, stable Property is strong.
Detailed description of the invention
A kind of high light corrosion-resistant based aluminum pigment of high stable, is made up of the raw material of following weight portion (kilogram): sheet Shape aluminium powder 40, isopropanol 100, copper sulfate crystal 0.3, deionized water are appropriate, 2, 2-Oxydiphenol type phosphate ester 4, dehydrated alcohol silicon appropriate, positive Acetoacetic ester 9, VTES 6, concentration are the ammonia 9 of 20wt%, butyl acetate 200, acrylic acid 5, methacrylic acid 5, dibenzoyl peroxide 0.6, propylene glycol monomethyl ether 13, polyvinyl alcohol 1.2, sodium polyacrylate 0.3, nano antimony tin oxide 6, two Methyl-silicone oil 1.2, polydimethylsiloxane 0.8.
Described a kind of high light corrosion-resistant based aluminum pigment of high stable, 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) will add the deionized water of 8 times amount in nano antimony tin oxide, dispersed with stirring adds polyvinyl alcohol, polypropylene the most afterwards Acid sodium, after continuing to stir 50 minutes with the speed of 300 revs/min, ultrasonic disperse 30 minutes, is finally spray-dried, obtains modified oxidized Stannum antimony powder end；Modified oxidized stannum antimony powder end is put in high speed mixer, adds remaining residue in addition to propylene glycol monomethyl ether Composition, stirs 15 minutes with the speed of 800 revs/min, discharging, pulverizes, and crosses 200 mesh sieves, obtains adding auxiliary agent；
(5) the interpolation auxiliary agent that dual cladding aluminium powder step (3) obtained obtains with step (4) mixes, and adds propylene glycol list first Ether, puts in kneader and mediates 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 97.5%, and coating gloss is 109.8Gs。

Claims (2)

1. the one kind high light corrosion-resistant based aluminum pigment of high stable, it is characterised in that be 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 are appropriate, 2, 2-Oxydiphenol type phosphate ester 4- 4.5, dehydrated alcohol is appropriate, tetraethyl orthosilicate 9-10, VTES 6-7, concentration are 20wt% ammonia 9-10, Butyl acetate 200-220, acrylic acid 5-6, methacrylic acid 5-6, dibenzoyl peroxide 0.6-0.65, propylene glycol monomethyl ether 13-15, polyvinyl alcohol 1.2-1.5, sodium polyacrylate 0.3-0.4, nano antimony tin oxide 6-7, dimethicone 1.2-1.4, poly- Dimethyl siloxane 0.8-1.
A kind of high light corrosion-resistant based aluminum pigment of high stable, it is characterised in that by detail below Step is made:
(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) will in nano antimony tin oxide add 8-10 times amount deionized water, dispersed with stirring add the most afterwards polyvinyl alcohol, poly-third Olefin(e) acid sodium, after continuing to stir 50-60 minute with the speed of 300-400 rev/min, ultrasonic disperse 30-40 minute, is finally spray-dried, Obtain modified oxidized stannum antimony powder end；Modified oxidized stannum antimony powder end is put in high speed mixer, add except propylene glycol monomethyl ether it Remaining outer residual components, stirs 15-20 minute with the speed of 800-1000 rev/min, discharging, pulverizes, and crosses 200 mesh sieves, obtains Add auxiliary agent；
(5) the interpolation auxiliary agent that dual cladding aluminium powder step (3) obtained obtains with step (4) mixes, and adds propylene glycol list first Ether, puts in kneader and mediates 30-40 minute, be finally vacuum dried, obtain the present invention.
CN201610595078.1A 2016-07-27 2016-07-27 A kind of high light corrosion-resistant based aluminum pigment of high stable Pending CN106084959A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108997819A (en) * 2018-07-24 2018-12-14 安徽澳雅合金有限公司 A kind of synthetic method of UV ink specific complex conduction aluminium pigment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105482575A (en) * 2014-09-16 2016-04-13 天津滨泰科技发展有限公司 Building glass thermal insulation coating material and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105482575A (en) * 2014-09-16 2016-04-13 天津滨泰科技发展有限公司 Building glass thermal insulation 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈军等: "《包覆型铝粉颜料在水性涂料中的应用》", 《电镀与涂饰》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108997819A (en) * 2018-07-24 2018-12-14 安徽澳雅合金有限公司 A kind of synthetic method of UV ink specific complex conduction aluminium pigment

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