CN106675271A - Bake type single-layer waterborne flashing paint for aluminum alloy hub and preparation method of waterborne flashing paint - Google Patents
Bake type single-layer waterborne flashing paint for aluminum alloy hub and preparation method of waterborne flashing paint Download PDFInfo
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- CN106675271A CN106675271A CN201710029369.9A CN201710029369A CN106675271A CN 106675271 A CN106675271 A CN 106675271A CN 201710029369 A CN201710029369 A CN 201710029369A CN 106675271 A CN106675271 A CN 106675271A
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- Prior art keywords
- baking
- reactor
- wheel hub
- individual layer
- aluminium alloy
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Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003973 paint Substances 0.000 title abstract description 17
- 239000002356 single layer Substances 0.000 title abstract 5
- 239000002904 solvent Substances 0.000 claims abstract description 34
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052709 silver Inorganic materials 0.000 claims abstract description 18
- 239000004332 silver Substances 0.000 claims abstract description 18
- 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 12
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000006185 dispersion Substances 0.000 claims description 28
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 239000013530 defoamer Substances 0.000 claims description 10
- 239000002318 adhesion promoter Substances 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 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
- -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
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical group CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 3
- 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
- 239000000839 emulsion 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
- 239000000159 acid neutralizing agent Substances 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 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
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000003595 mist Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 8
- 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
- 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
- 239000002994 raw material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 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
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 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
- 150000007513 acids Chemical class 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
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012535 impurity 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 invention relates to bake type single-layer waterborne flashing paint for an aluminum alloy hub. The single-layer waterborne flashing paint is prepared from components in parts by weight as follows: 40.0-55.0 parts of acrylic resin, 20.0-39.0 parts of a first solvent, 0.2-1.2 parts of a neutralizer, 0.2-1.0 part of a levelling agent, 0.2-1.0 part of a defoaming agent, 0.5-2.5 parts of a thickener, 5.0-9.0 parts of amino resin, 1.5-3.0 parts of an adhesion accelerator, 5.0-10.0 parts of waterborne silver paste and 4.0-8.0 parts of a second solvent. The invention further provides a preparation method of the bake type single-layer waterborne flashing paint for the aluminum alloy hub. Conventional properties such as hardness, initial adhesion force and the like of a film of the bake type single-layer waterborne flashing paint for the aluminum alloy hub can meet demands, the repainting adhesion is excellent, the water resistance, the salt mist resistance and the acid-base resistance are good, corrosion and other conditions are avoided, and the weather resistance is excellent.
Description
Technical field
The present invention relates to coating and its preparing technical field, more particularly to a kind of aluminium alloy wheel hub baking-type individual layer water
Property metallic finishe and preparation method thereof.
Background technology
The application of Motorcycle Aluminum Alloy wheel hub mainly adds three kinds of works of finish paint including individual layer colored paint, priming paint finish paint and powder primer
Skill, the application product of first two technique occupies more than 80% ratio.Coating for coating of aluminium alloy hub mainly has solvent
Type coating, powdery paints and water paint.At present solvent based coating is mainly used in the field, with the lifting of environmental requirement,
To become following development trend using water paint application.Because motor vehicle wheel hub structure it is relative complex, concave-convex surface face etc. compared with
It is many, while there is machining demand, so the processability of the workability and coating to coating is higher with protective requirement.At present
Using water paint producer more adopt composite coating technique, such products application be subject to larger restriction.
The content of the invention
Present invention aim to address the deficiencies in the prior art, there is provided a kind of aqueous sudden strain of a muscle of baking-type individual layer of aluminium alloy wheel hub
Lac varnish, only needs individual layer film when using, the traditional performance such as the hardness of coating, initial adhesion meets demand after film, recoats 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 be 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 individual layer, it is characterised in that by the component system of following weight portion
Into：
Preferably, the acrylic resin is the acrylic acid polymer dispersion or acrylic acid of 35.0-45.0% solid parts
At least one in emulsion.For example can use：Carboset GA-1594 (Lubrizol Corp.)；VSC6276/44WA (profound new).
Preferably, the nertralizer is N, and N- dimethylethanolamines can for example use BASF China
N, N- dimethylethanolamine (or DMEA).In the present invention, nertralizer is meta-alkalescence, and acrylic resin is possible to meta-acid, also has
Possible meta-alkalescence, all needs with nertralizer de-regulation to pH value 7.5-8.5；It is also required to add nertralizer after all components mixing
PH to 8.0-8.5 is adjusted to product.
Preferably, the levelling agent is polyether modified siloxane, for example, can use：BYK-345 (Bi Ke chemistry (BYK))；
BYK-348 (Bi Ke chemistry (BYK)).
Preferably, the defoamer is the BYK-028 of Bi Ke chemistry.
Preferably, the thickener is false plastotype or at least one in newton-type polyurethane thickener.For example can use：
Borchi Gel 0620 (Borchers companies)；Borchi Gel 0434 (Borchers companies).Such thickener is to coating
Physicochemical property affect it is less, 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 more than 75% solid part.For example can use：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 parts.For example can use：
VPG9723 (Guangzhou Wei Bogao synthetic materials Co., Ltd).
Preferably, the aqueous silver paste is D50 particle size ranges 5-50 μm, and the coating type water of non-volatile part 50-80% is silver-colored
Slurry.For example can use：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 version, if excessively slightly be difficult spraying and impurity particle is more；Meticulous outward appearance is partially black, is difficult to be connect
Receive.
Further, first solvent is pure water of the electrical conductivity less than 10 μ s/cm；Second solvent is alcohols solvent
Or at least one in alcohol ethers solvent, wherein, the alcohols solvent is at least one in ethanol, isopropanol, n-butanol, institute
Alcohol ethers solvent is stated at least one in butyl glycol ether, butyl or propylene glycol monomethyl ether.First solvent plays dilution
Effect, and meet environmental requirement；Second solvent is used to dilute aqueous silver paste so as to which dispersion effect is more preferable.
The present invention also provides a kind of preparation method of the aqueous metallic finishe of aluminium alloy wheel hub baking-type individual layer, it is characterised in that
Comprise the steps：
S1：Aqueous silver paste is added into reactor A, the second solvent and thickener is subsequently adding, is stirred to becoming homogeneous
Slurry, 1-2h is then soaked with this understanding, it is standby；
S2：Acrylic resin is added in reactor B, under the conditions of rotating speed is 500RPM-1000RPM, nertralizer is added
PH value is adjusted between 7.5-8.5；
S3：First solvent is added in reactor B, under the conditions of rotating speed is 500RPM-1000RPM 5-10min is disperseed；
S4：Levelling agent, defoamer are added in the reactor B that rotating speed is 500RPM-1000RPM, at this in dispersion
Disperse 5-10min under part；
S5：Amino resins and adhesion promoter are added into the reactor B that rotating speed is 500RPM-1000RPM in dispersion
In, 5-10min is disperseed with this understanding；
S6：Material in reactor A is added in the reactor B that rotating speed is 500RPM-1000RPM in dispersion, is added
Rotating speed is adjusted afterwards to 800RPM-1500RPM, and 20-30min is disperseed with this understanding；
S7：Adjust pH value：PH value is adjusted between 8.0-8.5, with nertralizer then in rotating speed 800RPM-1500RPM bars
Disperse 20-30min under part；
S8：Filter and package：The filter screen filtration of different meshes is chosen according to the thickness of aluminium paste, is then packed.
The pH value of water paint needs could 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 individual layer of the present invention is in system
The raw materials such as aqueous silver paste and acrylic resin are divided into into two kettles when standby then to remix, it is ensured that aqueous silver paste mixes with other raw materials
When in the alkaline state, prevent from deforming the burn into of aqueous silver paste under acid condition, and the outward appearance for further resulting in water paint
Change, in addition, being divided to two kettles to mix and disperse, also can reach dispersion effect evenly.
The aqueous metallic finishe of aluminium alloy wheel hub baking-type individual layer of the present invention is diluted to spray viscosity using diluent
16-22S/ applies -4 glasss (25 DEG C), and the diluent is pure water of the electrical conductivity less than 10 μ s/cm.Aerial spraying, electrostatic can be adopted
The universal spraying methods of wheel such as spraying, application parameter (such as spray distance, spray gun model, spray pressure) is logical with wheel producer
With shape parameter, coating cure conditions are 20-30min at 140-160 DEG C, the number that the condition is actually reached for surface of the work
According to.
Compared with prior art, the invention has the beneficial effects as follows：
The aluminium alloy wheel hub of the present invention aqueous metallic finishe of baking-type individual layer, can directly with metal substrate directly contact, and only
Individual layer film is needed, not only the traditional performance such as its hardness, initial adhesion meets demand to the film, and recoating adhesive force is excellent,
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
Ask, situations such as be less prone to corrosion；Weather resistance is good, outdoor can be protected using long-term retentivity.
Specific embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated 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 aqueous metallic finishe of aluminium alloy wheel hub baking-type individual layer of the present embodiment is consisted of the following composition：
Table 1：The aluminium alloy wheel hub aqueous metallic finishe of baking-type individual layer (embodiment 1)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type individual layer, comprises the steps：
S1：Aqueous silver paste is added into reactor A, the second solvent and thickener is subsequently adding, is stirred to becoming homogeneous
Slurry, 2h is then soaked with this understanding, it is standby；
S2：Acrylic resin is added in reactor B, under the conditions of rotating speed is 500RPM, adds nertralizer to adjust pH value
To between 7.5-8.5；
S3：First solvent is added in reactor B, under the conditions of rotating speed is 500RPM 10min is disperseed；
S4：Levelling agent, defoamer are added in the reactor B that rotating speed is 500RPM in dispersion, is disperseed with this understanding
10min；
S5：Amino resins and adhesion promoter are added in the reactor B that rotating speed is 500RPM, at this in dispersion
Disperse 10min under part；
S6：Material in reactor A is added in the reactor B that rotating speed is 500RPM in dispersion, is adjusted after adding and is turned
Speed disperses with this understanding 30min to 800RPMRPM；
S7：Adjust pH value：PH value is adjusted between 8.0-8.5, then disperse under the conditions of rotating speed 800RPM with nertralizer
30min；
S8：Filter and package：Filtered using 150 mesh copper mesh, then packed.
Embodiment 2
The aqueous metallic finishe of aluminium alloy wheel hub baking-type individual layer of the present embodiment is consisted of the following composition：
Table 2：The aluminium alloy wheel hub aqueous metallic finishe of baking-type individual layer (embodiment 2)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type individual layer, comprises the steps：
S1：Aqueous silver paste is added into reactor A, the second solvent and thickener is subsequently adding, is stirred to becoming homogeneous
Slurry, 1h is then soaked with this understanding, it is standby；
S2：Acrylic resin is added in reactor B, under the conditions of rotating speed is 1000RPM, adds nertralizer to adjust pH value
To between 7.5-8.5；
S3：First solvent is added in reactor B, under the conditions of rotating speed is 1000RPM 5min is disperseed；
S4：Levelling agent, defoamer are added in the reactor B that rotating speed is 1000RPM in dispersion, is disperseed with this understanding
5min；
S5：Amino resins and adhesion promoter are added in the reactor B that rotating speed is 1000RPM in dispersion, here
Under the conditions of disperse 5min；
S6：Material in reactor A is added in the reactor B that rotating speed is 1000RPM in dispersion, is adjusted after adding and is turned
Speed disperses with this understanding 20min to 1500RPM；
S7：Adjust pH value：PH value is adjusted between 8.0-8.5, then disperse under the conditions of rotating speed 1500RPM with nertralizer
20min；
S8：Filter and package：Filtered using 150 mesh copper mesh, then packed.
Embodiment 3
The aqueous metallic finishe of aluminium alloy wheel hub baking-type individual layer of the present embodiment is consisted of the following composition：
Table 3：The aluminium alloy wheel hub aqueous metallic finishe of baking-type individual layer (embodiment 3)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type individual layer, comprises the steps：
S1：Aqueous silver paste is added into reactor A, the second solvent and thickener is subsequently adding, is stirred to becoming homogeneous
Slurry, 2h is then soaked with this understanding, it is standby；
S2：Acrylic resin is added in reactor B, under the conditions of rotating speed is 800RPM, adds nertralizer to adjust pH value
To between 7.5-8.5；
S3：First solvent is added in reactor B, under the conditions of rotating speed is 800RPM 10min is disperseed；
S4：Levelling agent, defoamer are added in the reactor B that rotating speed is 8000RPM in dispersion, is disperseed with this understanding
10min；
S5：Amino resins and adhesion promoter are added in the reactor B that rotating speed is 800RPM, at this in dispersion
Disperse 5min under part；
S6：Material in reactor A is added in the reactor B that rotating speed is 800RPM in dispersion, is adjusted after adding and is turned
Speed disperses with this understanding 25min to 1000RPM；
S7：Adjust pH value：PH value is adjusted between 8.0-8.5, then disperse under the conditions of rotating speed 1000RPM with nertralizer
20min；
S8：Filter and package：Filtered using 150 mesh copper mesh, then packed.
Embodiment 4
The aqueous metallic finishe of aluminium alloy wheel hub baking-type individual layer of the present embodiment is consisted of the following composition：
Table 4：The aluminium alloy wheel hub aqueous metallic finishe of baking-type individual layer (embodiment 4)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type individual layer, comprises the steps：
S1：Aqueous silver paste is added into reactor A, the second solvent and thickener is subsequently adding, is stirred to becoming homogeneous
Slurry, 2h is then soaked with this understanding, it is standby；
S2：Acrylic resin is added in reactor B, under the conditions of rotating speed is 500RPM, adds nertralizer to adjust pH value
To between 7.5-8.5；
S3：First solvent is added in reactor B, under the conditions of rotating speed is 1000RPM 10min is disperseed；
S4：Levelling agent, defoamer are added in the reactor B that rotating speed is 500RPM in dispersion, is disperseed with this understanding
10min；
S5：Amino resins and adhesion promoter are added in the reactor B that rotating speed is 1000RPM in dispersion, here
Under the conditions of disperse 5min；
S6：Material in reactor A is added in the reactor B that rotating speed is 500RPM in dispersion, is adjusted after adding and is turned
Speed disperses with this understanding 20min to 800RPM；
S7：Adjust pH value：PH value is adjusted between 8.0-8.5, then disperse under the conditions of rotating speed 1500RPM with nertralizer
20min；
S8：Filter and package：Filtered using 150 mesh copper mesh, then packed.
Embodiment 5
The aqueous metallic finishe of aluminium alloy wheel hub baking-type individual layer of the present embodiment is consisted of the following composition：
Table 5：The aluminium alloy wheel hub aqueous metallic finishe of baking-type individual layer (embodiment 5)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type individual layer, comprises the steps：
S1：Aqueous silver paste is added into reactor A, the second solvent and thickener is subsequently adding, is stirred to becoming homogeneous
Slurry, 1h is then soaked with this understanding, it is standby；
S2：Acrylic resin is added in reactor B, under the conditions of rotating speed is 1000RPM, adds nertralizer to adjust pH value
To between 7.5-8.5；
S3：First solvent is added in reactor B, under the conditions of rotating speed is 1000RPM 5min is disperseed；
S4：Levelling agent, defoamer are added in the reactor B that rotating speed is 500RPM in dispersion, is disperseed with this understanding
10min；
S5：Amino resins and adhesion promoter are added in the reactor B that rotating speed is 500RPM, at this in dispersion
Disperse 10min under part；
S6：Material in reactor A is added in the reactor B that rotating speed is 500RPM in dispersion, is adjusted after adding and is turned
Speed disperses with this understanding 20min to 1000RPM；
S7：Adjust pH value：PH value is adjusted between 8.0-8.5, then disperse under the conditions of rotating speed 800RPM with nertralizer
30min；
S8：Filter and package：Filtered using 150 mesh copper mesh, then packed.
Embodiment 6
The aqueous metallic finishe of aluminium alloy wheel hub baking-type individual layer of the present embodiment is consisted of the following composition：
Table 6：The aluminium alloy wheel hub aqueous metallic finishe of baking-type individual layer (embodiment 6)
The aluminium alloy wheel hub of the present embodiment preparation method of the aqueous metallic finishe of baking-type individual layer, comprises the steps：
S1：Aqueous silver paste is added into reactor A, the second solvent and thickener is subsequently adding, is stirred to becoming homogeneous
Slurry, 2h is then soaked with this understanding, it is standby；
S2：Acrylic resin is added in reactor B, under the conditions of rotating speed is 500RPM, adds nertralizer to adjust pH value
To between 7.5-8.5；
S3：First solvent is added in reactor B, under the conditions of rotating speed is 1000RPM 10min is disperseed；
S4：Levelling agent, defoamer are added in the reactor B that rotating speed is 1000RPM in dispersion, is disperseed with this understanding
5min；
S5：Amino resins and adhesion promoter are added in the reactor B that rotating speed is 1000RPM in dispersion, here
Under the conditions of disperse 5min；
S6：Material in reactor A is added in the reactor B that rotating speed is 500RPM in dispersion, is adjusted after adding and is turned
Speed disperses with this understanding 20min to 1500RPM；
S7：Adjust pH value：PH value is adjusted between 8.0-8.5, then disperse under the conditions of rotating speed 1500RPM with nertralizer
20min；
S8：Filter and package：Filtered using 150 mesh copper mesh, then packed.
Embodiment 7
The aqueous metallic finishe properties of product test event of aluminium alloy wheel hub baking-type individual layer of the present invention, detection method and refer to
Mark requirement see the table below 7：
Table 7：Coating performance detection method and standard index
Embodiments of the invention 1-6 carries out Performance Evaluation with comparative example 1, and wherein comparative example 1 is used for Wan Fengaowei companies
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 aluminium alloy wheel hub performance of the aqueous metallic finishe of baking-type individual layer
As can be seen from Table 8, the film for being prepared with the aqueous metallic finishe of aluminium alloy wheel hub of the present invention baking-type individual layer, firmly
The traditional performances such as degree, initial adhesion meet demand, and recoating adhesive force is excellent, water resistance, salt spray resistance and resistance to acids and bases
Can be good, the outdoor use demand in the environment such as wet environment or acid rain can be met, situations such as be less prone to corrosion；Weather resistance
It is good, outdoor can be protected using long-term retentivity.
Above-mentioned embodiment is the invention is not limited in, if the various changes or deformation to the present invention are without departing from the present invention
Spirit and scope, if these change and deformation belong to the present invention claim and equivalent technologies within the scope of, then this
It is bright to be also intended to comprising these changes and deform.
Claims (10)
1. a kind of aluminium alloy wheel hub aqueous metallic finishe of baking-type individual layer, it is characterised in that be made up of the component of following weight portion：
2. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type individual layer, it is characterised in that：The propylene
Acid resin is at least one in the acrylic acid polymer dispersion or acrylic emulsion of 35.0-45.0% solid parts.
3. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type individual layer, it is characterised in that：The neutralization
Agent is N, N- dimethylethanolamines.
4. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type individual layer, it is characterised in that：The levelling
Agent is polyether modified siloxane；The defoamer is the BYK-028 of Bi Ke chemistry.
5. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type individual layer, it is characterised in that：The thickening
Agent is false plastotype or at least one in newton-type polyurethane thickener.
6. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type individual layer, it is characterised in that：The amino
Resin is the Amino resin more than 75% solid part.
7. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type individual layer, it is characterised in that：The attachment
Power accelerator is the modified epoxy of 60-80% solid parts.
8. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type individual layer, it is characterised in that：It is described aqueous
Silver paste be D50 particle size ranges 5-50 μm, the coating type water silver paste of non-volatile part 50-80%.
9. the aluminium alloy wheel hub according to claim 1 aqueous metallic finishe of baking-type individual layer, it is characterised in that：Described first
Solvent is pure water of the electrical conductivity less than 10 μ s/cm；Second solvent is at least one in alcohols solvent or alcohol ethers solvent,
Wherein, the alcohols solvent be ethanol, isopropanol, n-butanol at least one, the alcohol ethers solvent be butyl glycol ether,
At least one in butyl or propylene glycol monomethyl ether.
10. claim 1~9 arbitrary described aluminium alloy wheel hub preparation method of the aqueous metallic finishe of baking-type individual layer, it is special
Levy is to comprise the steps：
S1：Aqueous silver paste is added into reactor A, the second solvent and thickener is subsequently adding, is stirred to becoming homogeneous slurry
Body, then soaks with this understanding 1-2h, standby；
S2：Acrylic resin is added in reactor B, under the conditions of rotating speed is 500RPM-1000RPM, adds nertralizer to adjust
PH value is between 7.5-8.5；
S3：First solvent is added in reactor B, under the conditions of rotating speed is 500RPM-1000RPM 5-10min is disperseed；
S4：Levelling agent, defoamer are added in the reactor B that rotating speed is 500RPM-1000RPM, with this understanding in dispersion
Dispersion 5-10min；
S5：Amino resins and adhesion promoter are added in the reactor B that rotating speed is 500RPM-1000RPM in dispersion,
Disperse 5-10min under the conditions of this；
S6：Material in reactor A is added in the reactor B that rotating speed is 500RPM-1000RPM in dispersion, is adjusted after adding
Section rotating speed disperses with this understanding 20-30min to 800RPM-1500RPM；
S7：Adjust pH value：PH value is adjusted between 8.0-8.5, with nertralizer then under the conditions of rotating speed 800RPM-1500RPM
Dispersion 20-30min；
S8：Filter and package：The filter screen filtration of different meshes is chosen according to aqueous silver paste thickness, is then packed.
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Denomination of invention: A baking single layer waterborne flash paint for aluminum alloy wheel hub and its preparation method Effective date of registration: 20210707 Granted publication date: 20190607 Pledgee: China Co. truction Bank Corp Jiangmen branch Pledgor: GUANGDONG SIFANG-VICTORY NEW MATERIALS Co.,Ltd. Registration number: Y2021980005849 |
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