CN106675271B - A kind of aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer and preparation method thereof - Google Patents
A kind of aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer and preparation method thereof Download PDFInfo
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- CN106675271B CN106675271B CN201710029369.9A CN201710029369A CN106675271B CN 106675271 B CN106675271 B CN 106675271B CN 201710029369 A CN201710029369 A CN 201710029369A CN 106675271 B CN106675271 B CN 106675271B
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- 239000002356 single layer Substances 0.000 title claims abstract description 42
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 34
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052709 silver Inorganic materials 0.000 claims abstract description 20
- 239000004332 silver Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920003180 amino resin Polymers 0.000 claims abstract description 15
- 239000002562 thickening agent Substances 0.000 claims abstract description 14
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 13
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 13
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 11
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000006185 dispersion Substances 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- 235000019441 ethanol Nutrition 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical group CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 4
- -1 alcohol ethers Chemical class 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000004815 dispersion polymer Substances 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 238000009288 screen filtration Methods 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims 1
- 239000003822 epoxy resin Substances 0.000 claims 1
- 229920000647 polyepoxide Polymers 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 9
- 150000003839 salts Chemical class 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000003916 acid precipitation Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JAWMENYCRQKKJY-UHFFFAOYSA-N [3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-ylmethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-8-yl]-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]methanone Chemical compound N1N=NC=2CN(CCC=21)CC1=NOC2(C1)CCN(CC2)C(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F JAWMENYCRQKKJY-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other 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
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of aluminium alloy wheel hub aqueous metallic finishes of baking-type single layer, are made of the component of following parts by weight: 40.0-55.0 parts of acrylic resin；First 20.0-39.0 parts of solvent；0.2-1.2 parts of neutralizer；0.2-1.0 parts of levelling agent；0.2-1.0 parts of defoaming agent；0.5-2.5 parts of thickener；5.0-9.0 parts of amino resins；1.5-3.0 parts of adhesion promoter；Aqueous silver paste 5.0-10.0 parts；Second 4.0-8.0 parts of solvent.The present invention also provides a kind of aluminium alloy wheel hub preparation methods of the aqueous metallic finishe of baking-type single layer.Situations such as using the aluminium alloy wheel hub of the invention aqueous metallic finishe film of baking-type single layer, the traditional performances meet demand such as hardness, initial adhesion, recoating adhesive force is excellent, and water resistance, salt spray resistance and acid-proof alkaline are good, is less prone to corrosion；Weather resistance is good.
Description
Technical field
The present invention relates to coating and its preparation technical fields, more particularly to a kind of aluminium alloy wheel hub baking-type single layer water
Property metallic finishe and preparation method thereof.
Background technique
The coating of Motorcycle Aluminum Alloy wheel hub mainly includes that single layer colored paint, priming paint finishing coat and powder primer add three kinds of works of finishing coat
Skill, the coating product of first two technique occupy 80% or more ratio.Coating for coating of aluminium alloy hub mainly has solvent
Type coating, powdery paints and water paint.Solvent based coating is mainly used in the field at present, with the promotion of environmental requirement,
Following development trend will be become using water paint coating.Because motor vehicle wheel hub structure is relative complex, concave-convex surface face etc. compared with
It is more, machining demand is existed simultaneously, so the processability of workability and coating to coating and protective are more demanding.At present
Composite coating technique is mostly used using the producer of water paint, such products application is by larger limitation.
Summary of the invention
Present invention aims to solve the deficiencies of the prior art, and provides a kind of a kind of aqueous sudden strains of a muscle of baking-type single layer of aluminium alloy wheel hub
Lac varnish, when use, only need single layer film, the traditional performances meet demand such as the hardness of coating, initial adhesion after film, recoat attached
Put forth effort excellent, water resistance, salt spray resistance and acid-proof alkaline are good, can meet at the family of the environment such as wet environment or acid rain
Outer use demand, situations such as being less prone to corrosion；Weather resistance is good, outdoor can be protected using long-term retentivity.
The present invention is achieved by the following technical solutions:
A kind of aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer, which is characterized in that by the component system of following parts by weight
At:
Preferably, the acrylic resin is the acrylic acid polymer dispersion or acrylic acid of 35.0-45.0% solid part
At least one of lotion.Such as it can be used: Carboset GA-1594 (Lubrizol Corp.)；VSC6276/44WA (profound new).
Preferably, the neutralizer is N, N- dimethylethanolamine, such as usable BASF China
N, N- dimethylethanolamine (or DMEA).In the present invention, neutralizer is meta-alkalescence, and acrylic resin is possible to meta-acid, also has
Possible meta-alkalescence is all needed with neutralizer de-regulation to pH value 7.5-8.5；It is also required to that neutralizer is added after all components mixing
PH to 8.0-8.5 is adjusted to product.
Preferably, the levelling agent is polyether modified siloxane, such as be can be used: BYK-345 (Bi Ke chemistry (BYK))；
BYK-348 (Bi Ke chemistry (BYK)).
Preferably, the defoaming agent is the BYK-028 of Bi Ke chemistry.
Preferably, the thickener is at least one of false plastotype or newton-type polyurethane thickener.Such as it can be used:
Borchi Gel 0620 (Borchers company)；Borchi Gel 0434 (Borchers company).Such thickener is to coating
Physicochemical property influence it is smaller, the decline of the water-fast of aqueous metallic finishe, salt spray resistance and acid-proof alkaline will not be caused.
Preferably, the amino resins is the Amino resin greater than 75% solid part.Such as it can be used: MF921
(Ineos amino resins), non-volatile part 85%；MF900 (Ineos amino resins), non-volatile part > 95%.
Preferably, the adhesion promoter is the modified epoxy of 60-80% solid part.Such as it can be used:
VPG9723 (Guangzhou Wei Bogao synthetic material Co., Ltd).
Preferably, the aqueous silver paste is 5-50 μm of D50 particle size range, the coating type water silver of non-volatile part 50-80%
Slurry.Such as it can be used: EMR-D-FR11 (Zhaoqing Toyo Alumi Co., Ltd.)；EMR-D-E190 (the limited public affairs of Zhaoqing Japan Aluminum
Department).The particle size range be preferred embodiment, if be slightly not easy excessively spraying and impurity particle it is more；Meticulous appearance is partially black, is not easy to be connect
By.
Further, first solvent is pure water of the conductivity less than 10 μ s/cm；Second solvent is alcohols solvent
Or at least one of alcohol ethers solvent, wherein the alcohols solvent is at least one of ethyl alcohol, isopropanol, n-butanol, institute
Stating alcohol ethers solvent is at least one of butyl glycol ether, butyl or propylene glycol monomethyl ether.First solvent plays dilution
Effect, and meet environmental requirements；Second solvent keeps its dispersion effect more preferable for diluting aqueous silver paste.
The present invention also provides a kind of aluminium alloy wheel hub preparation methods of the aqueous metallic finishe of baking-type single layer, it is characterised in that
Include the following steps:
S1: aqueous silver paste is added into reaction kettle A, the second solvent and thickener is then added, stirring is to as uniform
Slurry, then impregnate 1-2h with this condition, it is spare；
S2: acrylic resin is added in reaction kettle B, and under the conditions of revolving speed is 500RPM-1000RPM, neutralizer is added
PH value is adjusted between 7.5-8.5；
S3: the first solvent is added in reaction kettle B, disperses 5-10min under the conditions of revolving speed is 500RPM-1000RPM；
S4: levelling agent, defoaming agent are added in the reaction kettle B that revolving speed is 500RPM-1000RPM in dispersion, at this
Disperse 5-10min under part；
S5: the reaction kettle B that revolving speed is 500RPM-1000RPM is added in dispersion for amino resins and adhesion promoter
In, disperse 5-10min with this condition；
S6: the material in reaction kettle A is added in the reaction kettle B that revolving speed is 500RPM-1000RPM in dispersion, is added
Revolving speed is adjusted afterwards to 800RPM-1500RPM, disperses 20-30min with this condition；
S7: it adjusts pH value: adjusting pH value between 8.0-8.5, then in revolving speed 800RPM-1500RPM item with neutralizer
Disperse 20-30min under part；
S8: it filters and packages: choosing the filter screen filtration of different meshes according to the thickness of aluminium paste, then pack.
The pH value of water paint needs to have preferable stability in 8.0-8.5 or so, and more raw material in the present invention
Component is routinely acidophilic condition, and aqueous silver paste is more sensitive to acid state, and the aqueous metallic finishe of single layer of the invention is being made
The raw materials such as aqueous silver paste and acrylic resin are divided into two kettles when standby and then are remixed, it is ensured that aqueous silver paste is mixed with other raw materials
When in the alkaline state, prevent from deforming the burn into of aqueous silver paste under acid condition, and further result in the appearance of water paint
Variation, in addition, being divided to two kettles to mix and dispersing, also can reach dispersion effect more evenly.
Aluminium alloy wheel hub of the present invention is diluted to spray viscosity using diluent with the aqueous metallic finishe of baking-type single layer
16-22S/ applies -4 glasss (25 DEG C), and the diluent is pure water of the conductivity less than 10 μ s/cm.Aerial spraying, electrostatic can be used
The universal spraying methods of wheels such as spraying, coating parameter (such as spray distance, spray gun model, spray pressure) are logical with wheel producer
With shape parameter, coating cure conditions are 20-30min at 140-160 DEG C, which is the number that workpiece surface actually reaches
According to.
Compared with prior art, the beneficial effects of the present invention are:
The aluminium alloy wheel hub of the present invention aqueous metallic finishe of baking-type single layer, directly can directly contact with metal substrate, and only
Single layer film is needed, the film not only traditional performances meet demand such as its hardness, initial adhesion, and also it is excellent to recoat adhesive force,
Water resistance, salt spray resistance and acid-proof alkaline are good, can meet and use need in the open air of the environment such as wet environment or acid rain
Situations such as asking, being less prone to corrosion；Weather resistance is good, outdoor can be protected using long-term retentivity.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described, it should be understood that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
The aluminium alloy wheel hub of the present embodiment is consisted of the following compositions with the aqueous metallic finishe of baking-type single layer:
Table 1: the aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer (embodiment 1)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type single layer, includes the following steps:
S1: aqueous silver paste is added into reaction kettle A, the second solvent and thickener is then added, stirring is to as uniform
Slurry, then impregnate 2h with this condition, it is spare；
S2: acrylic resin is added in reaction kettle B, under the conditions of revolving speed is 500RPM, neutralizer is added and adjusts pH value
To between 7.5-8.5；
S3: the first solvent is added in reaction kettle B, disperses 10min under the conditions of revolving speed is 500RPM；
S4: levelling agent, defoaming agent are added in the reaction kettle B that revolving speed is 500RPM in dispersion, dispersed with this condition
10min；
S5: amino resins and adhesion promoter are added in the reaction kettle B that revolving speed is 500RPM in dispersion, at this
Disperse 10min under part；
S6: the material in reaction kettle A is added in the reaction kettle B that revolving speed is 500RPM in dispersion, adjusts and turns after adding
Speed disperses 30min to 800RPMRPM with this condition；
S7: it adjusts pH value: adjusting pH value between 8.0-8.5 with neutralizer, then disperse under the conditions of revolving speed 800RPM
30min；
S8: it filters and packages: being filtered using 150 mesh copper mesh, then packed.
Embodiment 2
The aluminium alloy wheel hub of the present embodiment is consisted of the following compositions with the aqueous metallic finishe of baking-type single layer:
Table 2: the aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer (embodiment 2)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type single layer, includes the following steps:
S1: aqueous silver paste is added into reaction kettle A, the second solvent and thickener is then added, stirring is to as uniform
Slurry, then impregnate 1h with this condition, it is spare；
S2: acrylic resin is added in reaction kettle B, under the conditions of revolving speed is 1000RPM, neutralizer is added and adjusts pH value
To between 7.5-8.5；
S3: the first solvent is added in reaction kettle B, disperses 5min under the conditions of revolving speed is 1000RPM；
S4: levelling agent, defoaming agent are added in the reaction kettle B that revolving speed is 1000RPM in dispersion, dispersed with this condition
5min；
S5: amino resins and adhesion promoter are added in the reaction kettle B that revolving speed is 1000RPM in dispersion, herein
Under the conditions of disperse 5min；
S6: the material in reaction kettle A is added in the reaction kettle B that revolving speed is 1000RPM in dispersion, adjusts and turns after adding
Speed disperses 20min to 1500RPM with this condition；
S7: it adjusts pH value: adjusting pH value between 8.0-8.5 with neutralizer, then disperse under the conditions of revolving speed 1500RPM
20min；
S8: it filters and packages: being filtered using 150 mesh copper mesh, then packed.
Embodiment 3
The aluminium alloy wheel hub of the present embodiment is consisted of the following compositions with the aqueous metallic finishe of baking-type single layer:
Table 3: the aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer (embodiment 3)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type single layer, includes the following steps:
S1: aqueous silver paste is added into reaction kettle A, the second solvent and thickener is then added, stirring is to as uniform
Slurry, then impregnate 2h with this condition, it is spare；
S2: acrylic resin is added in reaction kettle B, under the conditions of revolving speed is 800RPM, neutralizer is added and adjusts pH value
To between 7.5-8.5；
S3: the first solvent is added in reaction kettle B, disperses 10min under the conditions of revolving speed is 800RPM；
S4: levelling agent, defoaming agent are added in the reaction kettle B that revolving speed is 8000RPM in dispersion, dispersed with this condition
10min；
S5: amino resins and adhesion promoter are added in the reaction kettle B that revolving speed is 800RPM in dispersion, at this
Disperse 5min under part；
S6: the material in reaction kettle A is added in the reaction kettle B that revolving speed is 800RPM in dispersion, adjusts and turns after adding
Speed disperses 25min to 1000RPM with this condition；
S7: it adjusts pH value: adjusting pH value between 8.0-8.5 with neutralizer, then disperse under the conditions of revolving speed 1000RPM
20min；
S8: it filters and packages: being filtered using 150 mesh copper mesh, then packed.
Embodiment 4
The aluminium alloy wheel hub of the present embodiment is consisted of the following compositions with the aqueous metallic finishe of baking-type single layer:
Table 4: the aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer (embodiment 4)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type single layer, includes the following steps:
S1: aqueous silver paste is added into reaction kettle A, the second solvent and thickener is then added, stirring is to as uniform
Slurry, then impregnate 2h with this condition, it is spare；
S2: acrylic resin is added in reaction kettle B, under the conditions of revolving speed is 500RPM, neutralizer is added and adjusts pH value
To between 7.5-8.5；
S3: the first solvent is added in reaction kettle B, disperses 10min under the conditions of revolving speed is 1000RPM；
S4: levelling agent, defoaming agent are added in the reaction kettle B that revolving speed is 500RPM in dispersion, dispersed with this condition
10min；
S5: amino resins and adhesion promoter are added in the reaction kettle B that revolving speed is 1000RPM in dispersion, herein
Under the conditions of disperse 5min；
S6: the material in reaction kettle A is added in the reaction kettle B that revolving speed is 500RPM in dispersion, adjusts and turns after adding
Speed disperses 20min to 800RPM with this condition；
S7: it adjusts pH value: adjusting pH value between 8.0-8.5 with neutralizer, then disperse under the conditions of revolving speed 1500RPM
20min；
S8: it filters and packages: being filtered using 150 mesh copper mesh, then packed.
Embodiment 5
The aluminium alloy wheel hub of the present embodiment is consisted of the following compositions with the aqueous metallic finishe of baking-type single layer:
Table 5: the aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer (embodiment 5)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type single layer, includes the following steps:
S1: aqueous silver paste is added into reaction kettle A, the second solvent and thickener is then added, stirring is to as uniform
Slurry, then impregnate 1h with this condition, it is spare；
S2: acrylic resin is added in reaction kettle B, under the conditions of revolving speed is 1000RPM, neutralizer is added and adjusts pH value
To between 7.5-8.5；
S3: the first solvent is added in reaction kettle B, disperses 5min under the conditions of revolving speed is 1000RPM；
S4: levelling agent, defoaming agent are added in the reaction kettle B that revolving speed is 500RPM in dispersion, dispersed with this condition
10min；
S5: amino resins and adhesion promoter are added in the reaction kettle B that revolving speed is 500RPM in dispersion, at this
Disperse 10min under part；
S6: the material in reaction kettle A is added in the reaction kettle B that revolving speed is 500RPM in dispersion, adjusts and turns after adding
Speed disperses 20min to 1000RPM with this condition；
S7: it adjusts pH value: adjusting pH value between 8.0-8.5 with neutralizer, then disperse under the conditions of revolving speed 800RPM
30min；
S8: it filters and packages: being filtered using 150 mesh copper mesh, then packed.
Embodiment 6
The aluminium alloy wheel hub of the present embodiment is consisted of the following compositions with the aqueous metallic finishe of baking-type single layer:
Table 6: the aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer (embodiment 6)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type single layer, includes the following steps:
S1: aqueous silver paste is added into reaction kettle A, the second solvent and thickener is then added, stirring is to as uniform
Slurry, then impregnate 2h with this condition, it is spare；
S2: acrylic resin is added in reaction kettle B, under the conditions of revolving speed is 500RPM, neutralizer is added and adjusts pH value
To between 7.5-8.5；
S3: the first solvent is added in reaction kettle B, disperses 10min under the conditions of revolving speed is 1000RPM；
S4: levelling agent, defoaming agent are added in the reaction kettle B that revolving speed is 1000RPM in dispersion, dispersed with this condition
5min；
S5: amino resins and adhesion promoter are added in the reaction kettle B that revolving speed is 1000RPM in dispersion, herein
Under the conditions of disperse 5min；
S6: the material in reaction kettle A is added in the reaction kettle B that revolving speed is 500RPM in dispersion, adjusts and turns after adding
Speed disperses 20min to 1500RPM with this condition；
S7: it adjusts pH value: adjusting pH value between 8.0-8.5 with neutralizer, then disperse under the conditions of revolving speed 1500RPM
20min；
S8: it filters and packages: being filtered using 150 mesh copper mesh, then packed.
Embodiment 7
The aqueous metallic finishe properties of product test item of aluminium alloy wheel hub baking-type single layer of the invention, detection method and refer to
Mark requires to see the table below 7:
Table 7: coating performance detection method and standard index
The embodiment of the present invention 1-6 and comparative example 1 carry out Performance Evaluation, and wherein comparative example 1 is the use of Wan Fengaowei company
Zhejiang Shengzhou Earthquare coating station-service is in the water paint of wheel hub bottom surface structure.The properties of product such as following table of embodiment 1-6 and comparative example 1
8:
Table 8: the performance of the aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer
As can be seen from Table 8, the film prepared with the aqueous metallic finishe of aluminium alloy wheel hub of the present invention baking-type single layer, firmly
The traditional performances meet demand such as degree, initial adhesion, recoating adhesive force is excellent, water resistance, salt spray resistance and resistance to acid and alkali
Can be good, situations such as the outdoor use demand in the environment such as wet environment or acid rain can be met, be less prone to corrosion；Weather resistance
It is good, it outdoor can be protected using long-term retentivity.
The invention is not limited to above embodiment, if not departing from the present invention to various changes or deformation of the invention
Spirit and scope, if these changes and deformation belong within the scope of claim and equivalent technologies of the invention, then this hair
It is bright to be also intended to encompass these changes and deformation.
Claims (6)
1. a kind of aluminium alloy wheel hub aqueous metallic finishe of baking-type single layer, which is characterized in that be made of the component of following parts by weight:
The acrylic resin be 35.0-45.0% solid part acrylic acid polymer dispersion or acrylic emulsion at least
One kind, the amino resins are the Amino resin greater than 75% solid part, and the neutralizer is N, N- dimethyl ethanol
Amine, the thickener are at least one of false plastotype or newton-type polyurethane thickener, and the adhesion promoter is to be modified
Epoxy resin, the aqueous silver paste are the coating type water silver paste of non-volatile part 50-80%.
2. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type single layer, it is characterised in that: the levelling
Agent is polyether modified siloxane；The defoaming agent is the BYK-028 of Bi Ke chemistry.
3. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type single layer, it is characterised in that: the attachment
Power promotor is the modified epoxy of 60-80% solid part.
4. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type single layer, it is characterised in that: described aqueous
Silver paste is 5-50 μm of D50 particle size range.
5. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type single layer, it is characterised in that: described first
Solvent is pure water of the conductivity less than 10 μ s/cm；Second solvent be at least one of alcohols solvent or alcohol ethers solvent,
Wherein, the alcohols solvent be at least one of ethyl alcohol, isopropanol, n-butanol, the alcohol ethers solvent be butyl glycol ether,
At least one of butyl or propylene glycol monomethyl ether.
6. preparation method of any aluminium alloy wheel hub of Claims 1 to 5 with the aqueous metallic finishe of baking-type single layer, feature
It is to include the following steps:
S1: aqueous silver paste is added into reaction kettle A, the second solvent and thickener is then added, stirring is to as uniform slurry
Then body impregnates 1-2h with this condition, spare；
S2: acrylic resin is added in reaction kettle B, under the conditions of revolving speed is 500RPM-1000RPM, neutralizer is added and adjusts
PH value is between 7.5-8.5；
S3: the first solvent is added in reaction kettle B, disperses 5-10min under the conditions of revolving speed is 500RPM-1000RPM；
S4: levelling agent, defoaming agent are added in the reaction kettle B that revolving speed is 500RPM-1000RPM in dispersion, with this condition
Disperse 5-10min；
S5: amino resins and adhesion promoter are added in the reaction kettle B that revolving speed is 500RPM-1000RPM in dispersion,
Disperse 5-10min under this condition；
S6: the material in reaction kettle A is added in the reaction kettle B that revolving speed is 500RPM-1000RPM in dispersion, is adjusted after adding
Revolving speed is saved to 800RPM-1500RPM, disperses 20-30min with this condition；
S7: it adjusts pH value: adjusting pH value between 8.0-8.5, then under the conditions of revolving speed 800RPM-1500RPM with neutralizer
Disperse 20-30min；
S8: it filters and packages: choosing the filter screen filtration of different meshes according to aqueous silver paste thickness, then pack.
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| CN107083131A (en) * | 2017-05-25 | 2017-08-22 | 重庆汉宝水性漆有限公司 | Engine fire resistant water-based paint and preparation method thereof |
| CN107267014A (en) * | 2017-06-28 | 2017-10-20 | 常州凯恒纺织品有限公司 | A kind of aqueous acrylic-amino resin aluminium paint and preparation method thereof |
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| CN109504213A (en) * | 2018-10-23 | 2019-03-22 | 杭州方周科技有限公司 | A kind of aqueous automobile finishing coat and preparation method thereof |
| CN109486306B (en) * | 2018-11-14 | 2021-02-02 | 漳州鑫展旺化工有限公司 | High-gloss automobile metal hub paint with film formed by one-time coating and preparation method thereof |
| CN109705712A (en) * | 2018-12-20 | 2019-05-03 | 丹东安邦涂料有限公司 | A kind of preparation method of aqueous wheel hub aluminium paint |
| CN112680050A (en) * | 2020-12-31 | 2021-04-20 | 广东四方威凯新材料有限公司 | Water-based paint and preparation method thereof |
| CN114031989A (en) * | 2021-11-30 | 2022-02-11 | 江苏科祥防腐材料有限公司 | Water-based electro-silvering material for hub and preparation method thereof |
| CN115873462A (en) * | 2022-11-24 | 2023-03-31 | 江苏四方威凯科技有限公司 | Water-based electrosilvering coating for automobile hub and preparation method thereof |
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