CN109535909A - Aqueous anti-settling metallic paint and preparation method thereof - Google Patents
Aqueous anti-settling metallic paint and preparation method thereof Download PDFInfo
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- CN109535909A CN109535909A CN201811275491.5A CN201811275491A CN109535909A CN 109535909 A CN109535909 A CN 109535909A CN 201811275491 A CN201811275491 A CN 201811275491A CN 109535909 A CN109535909 A CN 109535909A
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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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
- C09D5/36—Pearl essence, e.g. coatings containing platelet-like pigments for pearl lustre
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/45—Anti-settling agents
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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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
This application provides a kind of aqueous anti-settling metallic paints and preparation method thereof, aqueous anti-settling metallic paint according to the mass fraction, including following material component: basic varnish 70-90 parts, 3-6 parts of metallic pigments, 2-5 parts of cosolvent, aqueous 10-20 parts of self-made resin mill base of colors；The aqueous assorted self-made resin mill base is acrylic resin modified using waterborne polyester；Basic varnish includes the component of following mass fraction: waterborne polyester is 30-40 parts acrylic resin modified, 1.5-2.5 parts of pH adjusting agent, 0.3-0.5 parts of defoaming agent, 10-20 parts of coalescing agent, 0.2-0.5 parts of substrate wetting agents, 0.2-0.5 parts of levelling agent, aqueous antisettling agent 1-2 parts, rheology modified wax emulsion 1-2 parts, 20-30 parts of deionized water, 10-15 parts of high imino group Amino resin.The metallic paint of the application preparation can effectively prevent the precipitating of metallic pigments, and be easy to stir.
Description
Technical field
The application belongs to technical field of coatings, and in particular to a kind of aqueous anti-settling metallic paint and preparation method thereof.
Background technique
Metallic paint is called metal flash paint, and the metals such as fine aluminium powder, copper powder and pearl powder are added in its Qi Ji
Powder after light is irradiated on metal powder, and is reflected through paint film.Therefore, it appears that as metal is in glittering hair
Light is the same.The key property of metallic paint has: paint film is tough and tensile, adhesive force is strong, has extremely strong uvioresistant, corrosion resistance and height
Richness can improve the service life and self-cleaning of coating comprehensively.The most important application field of metallic paint is automobile industry and oneself
Driving, tricycle industry, coat the surface of metallic paint, can not only allow appearance to seem glittering moving, and different
The appearance and modeling of vehicle can be allowed to seem richer interesting under angle, refracting condition.So the use of metallic paint is more and more universal.
However, either solvent type metallic paint or aqueous metallic paint can all generate metal in storage transport and construction at present
Pigment precipitating, and be not easy to stir evenly before constructing, stirring can unevenly make the color of spray piece difference and metal
Pigment distribution is uneven, and covering degree is different.
Summary of the invention
To be overcome the problems, such as present in the relevant technologies at least to a certain extent, this application provides a kind of aqueous anti-settling
Metallic paint and preparation method thereof drops.
According to the embodiment of the present application in a first aspect, this application provides a kind of aqueous anti-settling metallic paints, by mass parts
Number meter comprising following material component: basic varnish 70-90 parts, 3-6 parts of metallic pigments, 2-5 parts of cosolvent, aqueous colors are certainly
10-20 parts of resin mill base processed；The aqueous assorted self-made resin mill base is acrylic resin modified using waterborne polyester；
Wherein, the basic varnish includes the component of following mass fraction:
Waterborne polyester is 30-40 parts acrylic resin modified, and 1.5-2.5 parts of pH adjusting agent, 0.3-0.5 parts of defoaming agent, film forming
10-20 parts of auxiliary agent, 0.2-0.5 parts of substrate wetting agents, 0.2-0.5 parts of levelling agent, aqueous antisettling agent 1-2 parts, rheology modified wax
1-2 parts of lotion, 20-30 parts of deionized water, 10-15 parts of high imino group Amino resin.
Further, the metallic pigments use one or both of water aluminum-silver slurry and pearl powder.
Further, the acrylic resin modified AC-8200 using the auspicious chemical industry of Shanghai timely rain of the waterborne polyester.The resin
Unsaturated polyester resin is made using phthalic anhydride and cis-butenedioic anhydride and polyol reaction, unsaturated polyester resin again with acrylic monomers, benzene
Vinyl polymerization provides hydroxyl by unsaturated polyester resin.Coating richness is good, gloss is high, adhesive force is strong, the aqueous painting of preparation
Expect VOC≤40g/L, smell is very low, can prevent the pollution of the environment.
Further, the pH adjusting agent uses dimethylethanolamine.
Further, the defoaming agent defoams foam inhibitor using phosphoric acid lipid hydrophobicity, for example, MOUSSEX company
The defoaming of 941PL defoaming agent and organic silicon defoaming agent, Bick BYK company acts on auxiliary agent B YK-028 or BYK024.Wherein,
For the 941PL defoaming agent of MOUSSEX company in aqueous body coating system, a small amount of addition will not influence paint film appearance, and have good
Good defoaming foam inhibition effect.
Further, the coalescing agent uses the one or more of isopropanol, propandiol butyl ether and ethyl alcohol.
Further, the substrate wetting agents use the wetting agent of Siloxane-Oxyalkylene Copolymers class.For example, Digao TEGO
One or both of the Tego-100 of company, AFCONA-3031 of angstrom husband Kona AFCONA company.Both auxiliary agents all may be used
To play the role of slip agent and levelling agent, paint film is made to seem more plentiful.
Further, the aqueous antisettling agent uses the mixed type amide waxe flow controlling agent of aqueous systems.For example,
The anti-settling agent AQH-800 of DISBALON company.Anti-settling agent AQH-800 is a kind of mixed type amide waxe flow control of aqueous systems
Preparation, can generate prevents metallic pigments from settling and the needle-shaped self-crosslinking structure that settles firmly, with excellent thixotropic effects and
Viscosity does not rise, and is highly suitable for aqueous metallic paint.
Further, the rheology modified wax emulsion uses modified ethylene vinyl acetate ethylene copolymer wax emulsion.For example, BYK
The wax emulsion AQUATIX8421 of company, the wax emulsion can improve the orientation of metallic pigments, reduce cloud mass shape color difference/piebald,
The rheological characteristic and brightness of the effect pigment slurry without cosolvent can be significantly improved.
Further, the aqueous assorted self-made resin mill base participates in grinding using portion body resin and makes assorted color
Slurry, the wetability and good dispersibility to pigment particles can be improved, pigment particles are wrapped in well molecular resin it
Between, improve the extended storage stability of colour paste system；Simultaneously because using in aqueous assorted flash metal luster basis varnish components
Identical matrix resin makes mill base, and the compatibility between assorted mill base and basic varnish can be improved, and reduces mill base and body is added
The problem of mill base generated in system is returned slightly and is flocculated.
According to the second aspect of the embodiment of the present application, this application provides a kind of preparation sides of aqueous anti-settling metallic paint
Method comprising following steps:
S1, basic varnish is prepared comprising following steps:
Step 1a, according to raw material proportioning, the waterborne polyester is acrylic resin modified, PH regulator, coalescing agent add
Enter in pot of stocking up, is dispersed 5-10 minutes with the revolving speed of 600-900r/min.
Step 1b, according to raw material proportioning by the deionized water, defoaming agent, wetting agent, levelling agent, aqueous antisettling agent,
Rheology modified wax emulsion sequentially adds in stock pot, is dispersed 10-20 minutes with the revolving speed of 900-1200r/min.
Step 1c the high imino group Amino resin is added in stock pot according to raw material proportioning, with 1000-
The revolving speed of 1300r/min disperses 10-15 minutes, and basis varnish is made.
S2, modulation colored paint comprising following steps:
Step 2a the basic varnish is added in paint pot according to raw material proportioning, with the revolving speed of 600-800r/min point
It dissipates 10-15 minutes.
Step 2b dissolves metallic pigments with cosolvent according to raw material proportioning.
Step 2c is mixed colours with aqueous assorted self-made resin mill base, aqueous anti-settling metallic paint is made.
Wherein, aqueous assorted self-made resin mill base is acrylic resin modified using waterborne polyester.
According to the above-mentioned specific embodiment of the application it is found that at least having the advantages that the water of the application preparation
Property anti-settling metallic paint can effectively prevent metallic pigments by using the mixed type amide waxe flow controlling agent of aqueous systems
Precipitating, construction site can simple agitation, convenient for stirring evenly for metallic paint；By selecting modified ethylene vinyl acetate ethylene copolymer
Object wax emulsion can be effectively improved the orientation and rheological characteristic of metallic pigments；By selecting waterborne polyester acrylic resin modified,
Water paint VOC≤40g/L of preparation, can prevent the pollution of the environment；By selecting high imino group Amino resin, phase
Than for the Amino resin of part reaction speed it is slow, baking temperature is suitable；And compared to full Amino resin and
Say that reaction speed is fast, and reaction temperature can be very suitable to compared to wanting low for full Amino resin with energy saving
The high-temperature baking amino-stoving varnish system mostly roasting for more Tu；By selecting aqueous assorted self-made resin mill base, compared to outsourcing color
Both it can reduce the overall cost of product for slurry, improve product competition advantage, and the compatible of mill base and base paint can be improved
Property, promote product stability and quality.
It is to be understood that above-mentioned general description and following specific embodiments are merely illustrative and illustrative, not
The range to be advocated of the application can be limited.
Specific embodiment
For the purposes, technical schemes and advantages of the embodiment of the present application are more clearly understood, it is described in detail below clear
Illustrate the spirit of content disclosed herein, any skilled artisan is in the embodiment for understanding teachings herein
Afterwards, when the technology that can be taught by teachings herein, be changed and modify, without departing from teachings herein spirit with
Range.
Illustrative embodiments of the present application and the description thereof are used to explain the present application, but is not intended as the restriction to the application.
In addition, in embodiments the use of element/component of same or like label is for representing same or like part.
About " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position,
It is non-to limit the application, only for distinguish with same technique term description element or operation.
About direction term used herein, such as: upper and lower, left and right, front or rear etc. are for illustrating not to use
To limit this creation.
It is open term about "comprising" used herein, " comprising ", " having ", " containing " etc.,
Mean including but not limited to.
About it is used herein " and/or ", including any of the things or all combination.
It include " two " and " two or more " about " multiple " herein；It include " two about " multiple groups " herein
Group " and " more than two ".
About term used herein " substantially ", " about " etc., to modify it is any can with the quantity of slight change or
Error, but this slight variations or error can't change its essence.In general, slight change that such term is modified or
The range of error can be 20% in some embodiments, in some embodiments can be 10%, can be in some embodiments
5% or other numerical value.It will be understood by those skilled in the art that the aforementioned numerical value referred to can be adjusted according to actual demand, not
As limit.
It is certain to describe the word of the application by lower or discuss in the other places of this specification, to provide this field skill
Art personnel guidance additional in relation to the description of the present application." part " described herein unless otherwise instructed, presses quality
Meter.
Embodiment 1
A kind of aqueous anti-settling metallic paint, according to the mass fraction, including following material component: 70 parts of basic varnish, gold
3 parts of pigment of category, 2 parts of cosolvent, aqueous 10 parts of mill base of self-made resin of colors；The aqueous assorted self-made resin mill base uses water
Property polyester modified acrylic resin；
Wherein, the basic varnish includes the component of following mass fraction:
Acrylic resin modified 30 parts of waterborne polyester, 1.5 parts of pH adjusting agent, 0.3 part of defoaming agent, 10 parts of coalescing agent, base
0.2 part of material wetting agent, 0.2 part of levelling agent, 1 part of aqueous antisettling agent, 1 part of rheology modified wax emulsion, 20 parts of deionized water, height
10 parts of imino group Amino resin.
In the present embodiment, metallic pigments use water aluminum-silver slurry；Waterborne polyester is acrylic resin modified to use Shanghai timely rain
The AC-8200 of auspicious chemical industry；PH adjusting agent uses dimethylethanolamine；Defoaming agent uses the 941PL defoaming agent of MOUSSEX company
With organic silicon defoaming agent；Coalescing agent uses isopropanol；Substrate wetting agents use the Tego-100 of Digao TEGO company；Water
Property antisettling agent use DISBALON company anti-settling agent AQH-800；Rheology modified wax emulsion uses the wax emulsion of BYK company
AQUATIX8421。
A kind of above-mentioned aqueous anti-settling metallic paint the preparation method is as follows:
S11, basic varnish is prepared comprising following steps:
Step 11a, according to raw material proportioning, the waterborne polyester is acrylic resin modified, PH regulator, coalescing agent add
Enter in pot of stocking up, is dispersed 5 minutes with the revolving speed of 600r/min.
Step 11b, according to raw material proportioning by the deionized water, defoaming agent, wetting agent, levelling agent, aqueous anti-precipitating
Agent, rheology modified wax emulsion sequentially add in stock pot, are dispersed 10 minutes with the revolving speed of 900r/min.
The high imino group Amino resin is added in stock pot according to raw material proportioning by step 11c, with
The revolving speed of 1000r/min disperses 10 minutes, and basis varnish is made.
S12, modulation colored paint comprising following steps:
The basic varnish is added in paint pot according to raw material proportioning, is dispersed with the revolving speed of 600r/min by step 12a
10 minutes.
Step 12b dissolves metallic pigments with cosolvent according to raw material proportioning.
Step 12c is mixed colours with aqueous assorted self-made resin mill base, aqueous anti-settling metallic paint is made.
Embodiment 2
A kind of aqueous anti-settling metallic paint, according to the mass fraction, including following material component: 80 parts of basic varnish, gold
5 parts of pigment of category, 4 parts of cosolvent, aqueous 15 parts of mill base of self-made resin of colors；The aqueous assorted self-made resin mill base uses water
Property polyester modified acrylic resin；
Wherein, the basic varnish includes the component of following mass fraction:
Acrylic resin modified 35 parts of waterborne polyester, 2 parts of pH adjusting agent, 0.4 part of defoaming agent, 15 parts of coalescing agent, substrate
0.4 part of wetting agent, 0.4 part of levelling agent, 1.5 parts of aqueous antisettling agent, 1.5 parts of rheology modified wax emulsion, 25 parts of deionized water,
13 parts of high imino group Amino resin.
In the present embodiment, metallic pigments use pearl powder；Defoaming agent makees used additives using the defoaming of Bick BYK company
BYK-028；Coalescing agent uses propandiol butyl ether and ethyl alcohol；Substrate wetting agents are using angstrom husband Kona AFCONA company
AFCONA-3031.The selection of other raw materials and embodiment 1 are consistent, and this will not be repeated here.
A kind of above-mentioned aqueous anti-settling metallic paint the preparation method is as follows:
S21, basic varnish is prepared comprising following steps:
Step 21a, according to raw material proportioning, the waterborne polyester is acrylic resin modified, PH regulator, coalescing agent add
Enter in pot of stocking up, is dispersed 8 minutes with the revolving speed of 800r/min.
Step 21b, according to raw material proportioning by the deionized water, defoaming agent, wetting agent, levelling agent, aqueous anti-precipitating
Agent, rheology modified wax emulsion sequentially add in stock pot, are dispersed 15 minutes with the revolving speed of 1000r/min.
The high imino group Amino resin is added in stock pot according to raw material proportioning by step 21c, with
The revolving speed of 1200r/min disperses 13 minutes, and basis varnish is made.
S22, modulation colored paint comprising following steps:
The basic varnish is added in paint pot according to raw material proportioning, is dispersed with the revolving speed of 700r/min by step 22a
13 minutes.
Step 22b dissolves metallic pigments with cosolvent according to raw material proportioning.
Step 22c is mixed colours with aqueous assorted self-made resin mill base, aqueous anti-settling metallic paint is made.
Embodiment 3
A kind of aqueous anti-settling metallic paint, according to the mass fraction, including following material component: 90 parts of basic varnish, gold
6 parts of pigment of category, 5 parts of cosolvent, aqueous 20 parts of mill base of self-made resin of colors；The aqueous assorted self-made resin mill base uses water
Property polyester modified acrylic resin；
Wherein, the basic varnish includes the component of following mass fraction:
Acrylic resin modified 40 parts of waterborne polyester, 2.5 parts of pH adjusting agent, 0.5 part of defoaming agent, 20 parts of coalescing agent, base
0.5 part of material wetting agent, 0.5 part of levelling agent, 2 parts of aqueous antisettling agent, 2 parts of rheology modified wax emulsion, 30 parts of deionized water, height
15 parts of imino group Amino resin.
In the present embodiment, metallic pigments use water aluminum-silver slurry and pearl powder, and two kinds of metallic pigments mixing makes
With ratio 1:1；Defoaming agent acts on auxiliary agent B YK-028 and BYK024 using the defoaming of Bick BYK company, and the two mixing makes
With ratio 1:1；Coalescing agent uses isopropanol, propandiol butyl ether and ethyl alcohol, and three is used in mixed way, ratio 1:1:1；Base
AFCONA-3031 of the material wetting agent using Tego-100 the and Ai Fu Kona AFCONA company of Digao TEGO company, the two mixing
It uses, ratio 1:1.The selection of other raw materials and embodiment 1 are consistent, and this will not be repeated here.
A kind of above-mentioned aqueous anti-settling metallic paint the preparation method is as follows:
S31, basic varnish is prepared comprising following steps:
Step 31a, according to raw material proportioning, the waterborne polyester is acrylic resin modified, PH regulator, coalescing agent add
Enter in pot of stocking up, is dispersed 10 minutes with the revolving speed of 900r/min.
Step 31b, according to raw material proportioning by the deionized water, defoaming agent, wetting agent, levelling agent, aqueous anti-precipitating
Agent, rheology modified wax emulsion sequentially add in stock pot, are dispersed 20 minutes with the revolving speed of 1200r/min.
The high imino group Amino resin is added in stock pot according to raw material proportioning by step 31c, with
The revolving speed of 1300r/min disperses 15 minutes, and basis varnish is made.
S32, modulation colored paint comprising following steps:
The basic varnish is added in paint pot according to raw material proportioning, is dispersed with the revolving speed of 800r/min by step 32a
15 minutes.
Step 32b dissolves metallic pigments with cosolvent according to raw material proportioning.
Step 32c is mixed colours with aqueous assorted self-made resin mill base, aqueous anti-settling metallic paint is made.
Comparative example 1:
A kind of aqueous anti-settling metallic paint, according to the mass fraction comprising following material component: 100 parts of basic varnish,
8 parts of metallic pigments, 7 parts of cosolvent, aqueous 30 parts of mill base of self-made resin of colors；The aqueous assorted self-made resin mill base uses
Waterborne polyester is acrylic resin modified；Wherein, basic varnish includes the component of following mass fraction: waterborne polyester modified propylene
40 parts of acid resin, 1.5 parts of pH adjusting agent, 0.3 part of defoaming agent, 5 parts of coalescing agent, 0.3 part of substrate wetting agents, levelling agent 0.5
Part, 30 parts of deionized water, 10 parts of high imino group Amino resin.
Comparative example 2:
A kind of aqueous anti-settling metallic paint, according to the mass fraction comprising following material component: 100 parts of basic varnish,
8 parts of metallic pigments, 7 parts of cosolvent, aqueous 30 parts of mill base of self-made resin of colors；The aqueous assorted self-made resin mill base uses
Waterborne polyester is acrylic resin modified；Wherein, basic varnish includes the component of following mass fraction: waterborne polyester modified propylene
40 parts of acid resin, 1.5 parts of pH adjusting agent, 0.3 part of defoaming agent, 5 parts of coalescing agent, 0.3 part of substrate wetting agents, levelling agent 0.5
Part, 30 parts of deionized water, 10 parts of high imino group Amino resin.
Comparative example 3:
A kind of aqueous anti-settling metallic paint, according to the mass fraction comprising following material component: 100 parts of basic varnish,
8 parts of metallic pigments, 7 parts of cosolvent, aqueous 30 parts of mill base of self-made resin of colors；The aqueous assorted self-made resin mill base uses
Waterborne polyester is acrylic resin modified；Wherein, basic varnish includes the component of following mass fraction: waterborne polyester modified propylene
40 parts of acid resin, 1.5 parts of pH adjusting agent, 0.3 part of defoaming agent, 5 parts of coalescing agent, 0.3 part of substrate wetting agents, levelling agent 0.5
Part, 30 parts of deionized water, 10 parts of high imino group Amino resin.
By being detected to obtain comparing result as shown in table 1 to the indices in comparative example 1-3.
Such as the indices testing result in 1 comparative example 1-3 of table
It can be seen that from the above comparing result since comparative example 1 lacks aqueous antisettling agent and rheology modified wax emulsion,
Metallic pigments all precipitate, and are not easy to stir, and occur silver powder block on toolsetting.Original of the comparative example 2 and 3 due to using the application
Expect component proportion, the needle-shaped self-crosslinking structure for preventing metallic pigments from settling and settling firmly can be generated, is imitated with excellent thixotroping
Fruit and viscosity does not rise, raw metal suspend, and are easy stirring.
It can be seen that metal face can be effectively prevent using aqueous anti-settling metallic paint prepared by technical scheme
The precipitating of material, simple agitation can stir evenly；It, can be effective due to selecting modified ethylene vinyl acetate ethylene copolymer wax emulsion
Improve the orientation and rheological characteristic of metallic pigments.And compared with traditional coating, using the aqueous anti-of technical scheme preparation
Deposited metal paint has lower VOC content, therefore has better environmental protection characteristic.
The foregoing is merely the schematical specific embodiments of the application, in the conceptions and principles for not departing from the application
Under the premise of, the equivalent changes and modifications that any those skilled in the art is made should belong to the range of the application protection.
Claims (10)
1. a kind of aqueous anti-settling metallic paint, which is characterized in that according to the mass fraction, including following material component: basic varnish
70-90 parts, 3-6 parts of metallic pigments, 2-5 parts of cosolvent, aqueous 10-20 parts of self-made resin mill base of colors；The aqueous colors are certainly
Resin mill base processed is acrylic resin modified using waterborne polyester；
Wherein, the basic varnish includes the component of following mass fraction:
Waterborne polyester is 30-40 parts acrylic resin modified, and 1.5-2.5 parts of pH adjusting agent, 0.3-0.5 parts of defoaming agent, coalescing agent
10-20 parts, 0.2-0.5 parts of substrate wetting agents, 0.2-0.5 parts of levelling agent, aqueous antisettling agent 1-2 parts, rheology modified wax emulsion
1-2 parts, 20-30 parts of deionized water, 10-15 parts of high imino group Amino resin.
2. aqueous anti-settling metallic paint according to claim 1, which is characterized in that the metallic pigments are using aqueous aluminium silver
One or both of slurry and pearl powder.
3. aqueous anti-settling metallic paint according to claim 1, which is characterized in that the pH adjusting agent uses dimethyl second
Hydramine.
4. aqueous anti-settling metallic paint according to claim 1, which is characterized in that the defoaming agent is dredged using phosphoric acid lipid
Aqueous defoaming foam inhibitor.
5. aqueous anti-settling metallic paint according to claim 1, which is characterized in that the coalescing agent using isopropanol,
The one or more of propandiol butyl ether and ethyl alcohol.
6. aqueous anti-settling metallic paint according to claim 1, which is characterized in that the substrate wetting agents are changed using polyethers
The polysiloxane-based wetting agent of property.
7. aqueous anti-settling metallic paint according to claim 1, which is characterized in that the aqueous antisettling agent is using aqueous
The mixed type amide waxe flow controlling agent of system.
8. aqueous anti-settling metallic paint according to claim 1, which is characterized in that the rheology modified wax emulsion is adopted
With modified ethylene vinyl acetate ethylene copolymer wax emulsion.
9. a kind of preparation method of aqueous anti-settling metallic paint, which comprises the following steps:
S1, basic varnish is prepared comprising following steps:
Stock pot is added in step 1a, according to raw material proportioning that waterborne polyester is acrylic resin modified, PH regulator, coalescing agent
In, dispersed 5-10 minutes with the revolving speed of 600-900r/min；
Step 1b, according to raw material proportioning by deionized water, defoaming agent, wetting agent, levelling agent, aqueous antisettling agent, rheology modified
Wax emulsion sequentially adds in stock pot, is dispersed 10-20 minutes with the revolving speed of 900-1200r/min；
Step 1c high imino group Amino resin is added in stock pot according to raw material proportioning, with 1000-1300r/min
Revolving speed disperse 10-15 minute, basic varnish is made；
S2, modulation colored paint comprising following steps:
The basic varnish is added in paint pot according to raw material proportioning, disperses 10- with the revolving speed of 600-800r/min by step 2a
15 minutes；
Step 2b dissolves metallic pigments with cosolvent according to raw material proportioning；
Step 2c is mixed colours with aqueous assorted self-made resin mill base, aqueous anti-settling metallic paint is made.
10. the preparation method of aqueous anti-settling metallic paint according to claim 9, which is characterized in that in the step 2c
Aqueous colors self-made resin mill base is acrylic resin modified using waterborne polyester.
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