CN107201110A - Bicycle use high-temperature baking type water-based metal metallic finishe and preparation method thereof - Google Patents
Bicycle use high-temperature baking type water-based metal metallic finishe and preparation method thereof Download PDFInfo
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- CN107201110A CN107201110A CN201710093774.7A CN201710093774A CN107201110A CN 107201110 A CN107201110 A CN 107201110A CN 201710093774 A CN201710093774 A CN 201710093774A CN 107201110 A CN107201110 A CN 107201110A
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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
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
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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
Abstract
The invention discloses a kind of bicycle use high-temperature baking type water-based metal metallic finishe and preparation method thereof, a kind of bicycle use high-temperature baking aqueous paint with flash metal luster of the invention includes following component by weight：15 25 parts of water-based acrylic resin, 15 25 parts of aqueous polyester resin, 23 parts of pH adjusting agent, 0.3 0.5 parts of defoamer, 5 10 parts of cosolvent, 0.1 0.5 parts of wetting agent, 0.1 0.5 parts of levelling agent, 0.1 1.2 parts of thickener, 10 28 parts of deionized water, 58 parts of amino resins, 13 parts of blocked isocyanate, 37 parts of water-based silver powder, aqueous 13 parts of anti-settling agent, aqueous 13 parts of auxiliary agent of orientation.Good weatherability of the present invention, paint film dryness is good, and hardness is high, and silver powder directional effect is good, corrosion resistance and good.
Description
Technical field
The present invention relates to paint field, and in particular to a kind of bicycle use high-temperature baking type water-based metal metallic finishe and its
Preparation method.
Background technology
Overwhelming majority bicycle manufacturing enterprises are mainly using being solvent type industrial coating at present.As people are to environment
And the pay attention to day by day of health, water paint is increasingly widely applied, and traditional solvent-borne coating is being produced and used
During the volatile organic content VolatileOrganic Compounds that are discharged, the pollution that VOC is produced turns at present
The city primary pollution source after vehicle exhaust is come, constantly improve and sound, pressure with Environmental Protection in China laws and regulations
Property has become trend of the times using environment-friendly type industrial coating.And aqueous industrial coating giving priority to as environment-friendly type coating
One of direction, the application in bicycle trade has boundless market.But there is hardness of paint film in traditional water paint
It is not high enough, easily go out cut, on electrophoretic primer poor adhesive force, silver powder azimuth zeroset, the shortcomings of weatherability is not good.Also, by
In the limitation of the factor such as bicycle manufacturer frame coating baking process and place, cycle frame water paint is again necessary
Possess excellent drying property, application is carried out to ensure that vehicle frame can enter lower one of application after the offline cooling of high-temperature baking
Operation.The Policy Conditions of environmental protection act and energy-saving and emission-reduction for response country, for the coating specification of cycle frame, are opened
The aqueous industrial coating for sending out low VOC VOC emission, quick-drying and function admirable a is significant.
Existing aqueous high-temperature baking metallized coating silver powder azimuth zeroset, hardness of paint film are low, the attachment on electrophoretic primer
Power is poor, weatherability is not good.
The content of the invention
Regarding the issue above, the present invention provides a kind of obtained product paint film dryness is good, silver powder directional effect
Good bicycle use high-temperature baking type water-based metal metallic finishe and preparation method thereof.
To reach above-mentioned purpose, present invention employs following technical proposal：A kind of bicycle use high-temperature baking of the present invention
Aqueous paint with flash metal luster, the bicycle use high-temperature baking aqueous paint with flash metal luster is including by weight such as the following group
Point：
Further, the aqueous polyester resin is aqueous special acrylic acid modified polyester resin；The amino resins is
High imino group melamine resin.
Further, the aqueous special acrylic acid resin is with moral resin WTB5618；Described pH adjusting agent is two
One or more of combinations in methylethanolamine, ammoniacal liquor or multifunction amine AMP-95；Described defoamer disappears for acrylic compounds
Infusion；Described cosolvent is one or more of combinations in propylene glycol monomethyl ether, propandiol butyl ether, isopropanol.
Further, described wetting agent is acrylic polymer；Described levelling agent is acrylic
Thing；Described thickener is one or more of in cellulose thickener, alkali swelling type thickener or association thickener
Combination.
Further, it is aqueous that described water-based silver powder is the aqueous coated silver powder of Pai Site W103, card WS220 is won in Suzhou
One or two kinds of combinations in coated silver powder.The Pai Site W103 are the aqueous coated silver powder that particle diameter is 13 microns, described
The rich card aqueous coated silver powder of WS220 in Suzhou is the aqueous coated silver powder that particle diameter is 22 microns, the silver of this two kinds of different-grain diameters
Powder combination can improve the covering power of paint film.
Further, described aqueous orientation auxiliary agent is Bi Ke BYK-8421, and the Bi Ke BYK-8421 are modified waxes breast
Liquid, effect is aligned for improving water-based silver powder pigment in system；Described aqueous anti-settling agent is Supreme Being Si Balong AQH-
800 aqueous anti-settling agents.The Supreme Being Si Balong AQH-800 are the mixed type amide waxe rheology control agent for aqueous systems, are contained
The needle-like self-crosslinking structure that can prevent silver powder from settling.
The preparation method of bicycle use high-temperature baking aqueous paint with flash metal luster of the present invention, comprises the following steps：
(1) each component is weighed according to the ratio described in claim 1, by the water-based silver powder, cosolvent, aqueous anti-settling
Agent, aqueous orientation auxiliary agent, pH adjusting agent are sequentially added in pot of getting the raw materials ready, stirring, and then static soak is standby；
(2) water-based acrylic resin, aqueous polyester resin are added in paint mixing tank, hydrotropy is sequentially added under stirring at low speed
Agent, pH adjusting agent, deionized water, disperse；Defoamer, wetting agent, levelling agent are sequentially added, is disperseed；
(3) amino resins, blocked isocyanate, thickener are sequentially added, is disperseed, high-temperature baking water-based metal is made
Metallic finishe base-material；
(4) obtained aqueous aluminum powder in step (1) is pre-dissolved slurry to be added in step (3) obtained high-temperature baking aqueous
In metal flash paint base-material, disperse, bicycle use high-temperature baking aqueous paint with flash metal luster is made.
The preparation method of bicycle use high-temperature baking aqueous paint with flash metal luster of the present invention, comprises the following steps：
In step (1), stirring at low speed 15-25 minutes, then static soak 1-2 hours it is standby；
In step (2), water-based acrylic resin, aqueous polyester resin are added in paint mixing tank, under stirring at low speed successively
Cosolvent, pH adjusting agent are added, 600-800r/min is scattered 5-10 minutes, sequentially adds defoamer, wetting agent, levelling agent
Under 600-800r/min stir speed (S.S.), disperse 10-20 minutes；
In step (3), sequentially added under 400-500r/min stirrings amino resins, blocked isocyanate,
Under thickener, 600-800r/min stir speed (S.S.), disperse 15-20 minutes, high-temperature baking water-based metal bronzing medium is made
Material；
In step (4), obtained aqueous aluminum powder in step (1) is pre-dissolved slurry under 400-500r/min stirrings
It is added in step (3) in obtained high-temperature baking water-based metal metallic finishe base-material, in 600-800r/min stir speed (S.S.)
Under, disperse 15-20 minutes, bicycle use high-temperature baking aqueous paint with flash metal luster is made.
Beneficial effect：Product coating surface produced by the present invention is fine and smooth, attractive in appearance, and paint film dryness is good, and metal sense is strong, 130 DEG C
15min is toasted, silver powder directional effect is good, and adhesive force is good on electrophoretic primer, recoating is unaffected, and weatherability is good.Work of the present invention
Industry anti-corrosion sealing wax VOC content is extremely low, ＜ 40g/L, and hardness is high, hardness 2-4H, there is splendid water-fast, solvent resistant, and acid and alkali-resistance etc. is changed
Learn performance.
Compared with prior art, the invention has the advantages that：
(1) the aqueous high-temperature baking metal flash paint of bicycle use of the invention passes through matrix resin, curing agent, aqueous spy
Plant auxiliary agent and aqueous extraordinary silver powder collective effect.The present invention has coating surface fine and smooth, attractive in appearance, good (the 130 DEG C of bakings of paint film dryness
Roasting 15min), silver powder directional effect is good, and adhesive force is good on electrophoretic primer, recoats unaffected, the advantages of weatherability is good.
(2) present invention using extraordinary water-based acrylic resin, extraordinary aqueous polyester resin as matrix resin compounding use,
The advantages of both comprehensive good silver powder directional effects, good recoatability and splendid weatherability；In advance by aqueous special type
Silver powder, cosolvent, aqueous extraordinary anti-settling agent, aqueous special auxiliary agent, the pH adjusting agent of aligning carry out soaking scattered, and spy is made
Aqueous aluminum powder slurry processed, it is standby.
(3) high imino moiety Amino resin of arranging in pairs or groups and extraordinary Blocked Isocyanate Curing Agents, it is final to be made
Water paint high-temperature baking after, dryness and hardness are splendid, and coating storage stability is good, with it is good it is acidproof, alkaline-resisting,
The combination property such as oil resistant, ageing-resistant, water-fast, the coating paint film be plentiful, adhesive force is strong on electrophoretic primer, hardness and recoatability
Well, chemical resistance and decoration performance are had concurrently, is widely used.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be made below into
One step it is described in detail.
Embodiment 1
A kind of bicycle use high-temperature baking aqueous paint with flash metal luster of the present invention, the bicycle use high-temperature baking water
Property metallized coating include following component by weight：
The aqueous polyester resin is with moral resin WTB5380 resins；The amino resins is special 327 amino resins of cyanogen,
Blocked isocyanate is the W-7130 of Jiangyin mole chemical industry, can steadily in the long term be coexisted with water-base resin under normal temperature, high-temperature baking
When the isocyanates (- NCO) group that discharges react to form friendship with hydroxyl, carboxyl, amino groups on water-base resin strand
It is coupled structure, is remarkably improved paint film property.
The aqueous special acrylic acid resin is with moral resin WTB5618；Described pH adjusting agent is dimethyl ethanol
Amine；Described defoamer is acryl-based antifoaming agent；Described cosolvent is propandiol butyl ether, the mixture of isopropanol.
Described wetting agent is acrylic polymer；Described levelling agent is acrylic polymer；Described thickening
Agent is the combination of two kinds of alkali swelling type thickener and association thickener.
Described water-based silver powder is the aqueous coated silver powder of Pai Site W103, the rich card aqueous coated silver powder of WS220 in Suzhou
Two kinds of combination.
Described aqueous orientation auxiliary agent is the aqueous orientation auxiliary agents of Bi Ke BYK-8421；Described aqueous anti-settling agent is Supreme Being Si
Ba Long AQH-800.
A kind of preparation method of bicycle use high-temperature baking aqueous paint with flash metal luster of the present invention, comprises the following steps：
(1) each component is weighed according to described ratio, by the water-based silver powder, cosolvent, aqueous anti-settling agent, aqueous fixed
Sequentially added to auxiliary agent, pH adjusting agent in pot of getting the raw materials ready, stirring at low speed 15 minutes, then static soak 1 hour is standby；
(2) water-based acrylic resin, aqueous polyester resin are added in paint mixing tank, hydrotropy is sequentially added under stirring at low speed
Agent, pH adjusting agent, deionized water, disperse 5 minutes, sequentially add defoamer, wetting agent, levelling agent 600r/min stirring speed
Under rate, disperse 20 minutes；
(3) amino resins, blocked isocyanate, thickener, 800r/ are sequentially added under 400r/min stirrings
Under min stir speed (S.S.), disperse 20 minutes, high-temperature baking water-based metal metallic finishe base-material is made；
(4) obtained aqueous aluminum powder in step (1) is pre-dissolved slurry and step (3) is added under 400r/min stirrings
In in obtained high-temperature baking water-based metal metallic finishe base-material, under 600r/min stir speed (S.S.), disperse 20 minutes, be made
High-temperature baking water-based metal metallic finishe, such as needs various flash metal luster colored paints, need to add special-used colour starch and be mixed colours.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is：
A kind of bicycle use high-temperature baking aqueous paint with flash metal luster of the present invention, the bicycle use high-temperature baking water
Property metallized coating include following component by weight：
Described aqueous special acrylic acid resin is with moral resin WTB5618；Described aqueous specialty polyesters resin is same
Moral resin WTB5380；
The amino resins is special 327 amino resins of cyanogen；Blocked isocyanate is the W-7130 of Jiangyin mole chemical industry,
Can steadily in the long term it be coexisted with water-base resin under normal temperature, the isocyanates (- NCO) group discharged during high-temperature baking and aqueous tree
Hydroxyl, carboxyl, amino groups react to form cross-linked structure on fat strand, are remarkably improved paint film property.
Described pH adjusting agent is dimethylethanolamine；Described defoamer is acryl-based antifoaming agent；Described hydrotropy
Agent is propandiol butyl ether, the combination of two kinds of isopropanol.
Described thickener is two kinds of combination in alkali swelling type thickener, association thickener.
Described water-based silver powder is the aqueous coated silver powder of Pai Site W103, the rich card aqueous coated silver powder of WS220 in Suzhou
Two kinds of combination.
Described aqueous orientation auxiliary agent is the BYK-8421 of Bi Ke companies；Described aqueous anti-settling agent is Supreme Being Si Balong
AQH-800。
A kind of preparation method of bicycle use high-temperature baking aqueous paint with flash metal luster of the present invention, comprises the following steps：
In step (1), stirring at low speed 25 minutes, then static soak 1.5 hours is standby；
In step (2), water-based acrylic resin is added in paint mixing tank, cosolvent, pH are sequentially added under stirring at low speed
Conditioning agent, deionized water, scattered 10 minutes of 700r/min sequentially add defoamer, wetting agent, levelling agent 700r/min and stirred
Mix under speed, disperse 10 minutes；
In step (3), amino resins, blocked isocyanate, thickening are sequentially added under 500r/min stirrings
Under agent, 600r/min stir speed (S.S.), disperse 18 minutes, high-temperature baking water-based metal metallic finishe base-material is made；
In step (4), obtained aqueous aluminum powder in step (1) is pre-dissolved slurry and added under 450r/min stirrings
Into step (3) in obtained high-temperature baking water-based metal metallic finishe base-material, under 800r/min stir speed (S.S.), disperse 15
Minute, high-temperature baking water-based metal metallic finishe is made.
Embodiment 3
The difference of embodiment 3 and embodiment 1 is：
A kind of bicycle use high-temperature baking aqueous paint with flash metal luster of the present invention, the bicycle use high-temperature baking water
Property metallized coating include following component by weight：
Described aqueous special acrylic acid resin is with moral resin WTB5618；Described aqueous specialty polyesters resin is same
Moral resin WTB5380；
The amino resins is special 327 amino resins of cyanogen；Blocked isocyanate is the W-7130 of Jiangyin mole chemical industry,
Can steadily in the long term it be coexisted with water-base resin under normal temperature, the isocyanates (- NCO) group discharged during high-temperature baking and aqueous tree
Hydroxyl, carboxyl, amino groups react to form cross-linked structure on fat strand, are remarkably improved paint film property.
Described pH adjusting agent is dimethylethanolamine；Described defoamer is acryl-based antifoaming agent；Described hydrotropy
Agent is propandiol butyl ether, the combination of two kinds of isopropanol.
Described thickener is two kinds of combination in alkali swelling type thickener, association thickener.
Described water-based silver powder is the aqueous coated silver powder of Pai Site W103, the rich card aqueous coated silver powder of WS220 in Suzhou
Two kinds of combination；Described aqueous anti-settling agent is Supreme Being Si Balong AQH-800.
Described aqueous orientation auxiliary agent is the BYK-8421 of Bi Ke companies.
A kind of preparation method of bicycle use high-temperature baking aqueous paint with flash metal luster of the present invention, including it is as follows
Step：
In step (1), stirring at low speed 20 minutes, then static soak 2 hours is standby；
In step (2), water-based acrylic resin, aqueous polyester resin are added in paint mixing tank, under stirring at low speed successively
Cosolvent, pH adjusting agent, deionized water are added, 800r/min is scattered 8 minutes, sequentially adds defoamer, wetting agent, levelling agent
Under 800r/min stir speed (S.S.), disperse 15 minutes；
In step (3), amino resins, blocked isocyanate, thickening are sequentially added under 450r/min stirrings
Under agent, 700r/min stir speed (S.S.), disperse 15 minutes, high-temperature baking water-based metal metallic finishe base-material is made；
In step (4), obtained aqueous aluminum powder in step (1) is pre-dissolved slurry and added under 500r/min stirrings
Into step (3) in obtained high-temperature baking water-based metal metallic finishe base-material, under 700r/min stir speed (S.S.), disperse 18
Minute, high-temperature baking water-based metal metallic finishe is made, such as needs various flash metal luster colored paints, special-used colour starch need to be added and mixed colours.
Experiment 1
Embodiment 1 and the performance parameter of product made from competing product are contrasted, as shown in table 1：
Table 1
As shown in Table 1, bicycle use high-temperature baking aqueous paint with flash metal luster of the invention have coating surface it is fine and smooth,
Attractive in appearance, paint film dryness is good (130 DEG C baking 15min), and silver powder directional effect is good, and adhesive force is good on electrophoretic primer, recoating not by
Influence, the advantages of weatherability is good.
Experiment 2
Embodiment 2 and the performance parameter of the product obtained by embodiment 1 are contrasted, as shown in table 2：
Table 2
As shown in Table 2, the present invention uses aqueous special acrylic acid resin and the method for aqueous specialty polyesters resin blending,
The film defect of independent acrylic resin systems can be obviously improved, paint film richness is improved, enhancing paint film is on electrophoretic primer
Adhesive force, and lift recoatability and the ply adhesion of composite coating, the weatherability for keeping paint film good.
Experiment 3
Embodiment 3 and the performance parameter of the product obtained by embodiment 1 are contrasted, as shown in table 3：
Table 3
As shown in Table 3, the present invention uses the side of high imino group Amino resin and blocked isocyanate blending
Method, can significantly improve water resistance, gasoline resistance and the salt fog resistance of film, obtained paint film is had chemical resistance and dress concurrently
Adorn performance.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to of the invention
The technical staff in field can make various modifications or supplement to described specific embodiment or use similar mode
Substitute, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (8)
1. a kind of bicycle use high-temperature baking aqueous paint with flash metal luster, it is characterised in that：The bicycle use high-temperature baking water
Property metallized coating include following component by weight：
2. bicycle use high-temperature baking aqueous paint with flash metal luster according to claim 1, it is characterised in that：It is described aqueous
Polyester resin is aqueous special acrylic acid modified polyester resin；The amino resins is high imino group melamine resin.
3. bicycle use high-temperature baking aqueous paint with flash metal luster according to claim 1, it is characterised in that：It is described aqueous
Special acrylic acid resin is with moral resin WTB5618；Described pH adjusting agent is dimethylethanolamine, ammoniacal liquor or multifunction amine
One or more of combinations in AMP-95；Described defoamer is acryl-based antifoaming agent；Described cosolvent is propane diols
One or more of combinations in methyl ether, propandiol butyl ether, isopropanol.
4. the bicycle use high-temperature baking aqueous paint with flash metal luster according to claim 1 or 2 or 3, it is characterised in that：Institute
The wetting agent stated is acrylic polymer；Described levelling agent is acrylic polymer；Described thickener is cellulose
One or more of combinations in class thickener, alkali swelling type thickener or association thickener.
5. the bicycle use high-temperature baking aqueous paint with flash metal luster according to claim 1 or 2 or 3, it is characterised in that：Institute
The water-based silver powder stated is one kind or two in the aqueous coated silver powder of Pai Site W103, the rich card aqueous coated silver powder of WS220 in Suzhou
Plant combination.
6. the bicycle use high-temperature baking aqueous paint with flash metal luster according to claim 1 or 2 or 3, it is characterised in that：Institute
The aqueous orientation auxiliary agent stated is the aqueous orientation auxiliary agents of Bi Ke BYK-8421；Described aqueous anti-settling agent is Supreme Being Si Balong AQH-800
Aqueous anti-settling agent.
7. the preparation method of the bicycle use high-temperature baking aqueous paint with flash metal luster described in any one of claim 1 to 6, it is special
Levy and be to comprise the following steps：
(1) each component is weighed according to the ratio described in claim 1, by the water-based silver powder, cosolvent, aqueous anti-settling agent, water
Property orientation auxiliary agent, pH adjusting agent sequentially add in pot of getting the raw materials ready, stir, then static soak is standby；
(2) water-based acrylic resin, aqueous polyester resin are added in paint mixing tank, cosolvent, pH is sequentially added under stirring at low speed
Conditioning agent, deionized water, disperse；Defoamer, wetting agent, levelling agent are sequentially added, is disperseed；
(3) amino resins, blocked isocyanate, thickener are sequentially added, is disperseed, high-temperature baking water-based metal metallic finishe is made
Base-material；
(4) obtained aqueous aluminum powder in step (1) is pre-dissolved slurry and is added in step (3) obtained high-temperature baking water-based metal sudden strain of a muscle
In lac varnish base-material, disperse, bicycle use high-temperature baking aqueous paint with flash metal luster is made.
8. the preparation method of bicycle use high-temperature baking aqueous paint with flash metal luster according to claim 7, its feature exists
In comprising the following steps：
In step (1), stirring at low speed 15-25 minutes, then static soak 1-2 hours it is standby；
In step (2), water-based acrylic resin, aqueous polyester resin are added in paint mixing tank, sequentially added under stirring at low speed
Cosolvent, pH adjusting agent, 600-800r/min are scattered 5-10 minutes, sequentially add defoamer, wetting agent, levelling agent 600-
Under 800r/min stir speed (S.S.), disperse 10-20 minutes；
In step (3), amino resins, blocked isocyanate, thickening are sequentially added under 400-500r/min stirrings
Under agent, 600-800r/min stir speed (S.S.), disperse 15-20 minutes, high-temperature baking water-based metal metallic finishe base-material is made；
In step (4), obtained aqueous aluminum powder in step (1) is pre-dissolved slurry and is added under 400-500r/min stirrings
In step (3) in obtained high-temperature baking water-based metal metallic finishe base-material, under 600-800r/min stir speed (S.S.), disperse
15-20 minutes, bicycle use high-temperature baking aqueous paint with flash metal luster is made.
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