CN106047076A - Preparation method for waterborne primer, colored paint and solid-color topcoat of 25 type bus - Google Patents

Preparation method for waterborne primer, colored paint and solid-color topcoat of 25 type bus Download PDF

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Publication number
CN106047076A
CN106047076A CN201610570716.4A CN201610570716A CN106047076A CN 106047076 A CN106047076 A CN 106047076A CN 201610570716 A CN201610570716 A CN 201610570716A CN 106047076 A CN106047076 A CN 106047076A
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aqueous
rev
component
minute
agent
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江拥
任明华
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CHENGDU BAYDI NEW MATERIAL Co Ltd
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CHENGDU BAYDI NEW MATERIAL Co Ltd
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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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • 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
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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

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  • 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)
  • Paints Or Removers (AREA)

Abstract

The invention provides a preparation method for waterborne primer, colored paint and solid-color finish paint of a 25 type bus, including waterborne epoxy anti-corrosive primer for the 25 type bus, waterborne acrylic polyurethane primer base coat for the 25 type bus, waterborne acrylic polyurethane solid-color paint for the 25 type bus and waterborne finishing varnish for the 25 type bus; the waterborne epoxy anti-corrosive primer for the 25 type bus comprises a self-made waterborne epoxy resin emulsion and a component A. The waterborne epoxy resin emulsion has very excellent workability, corrosion resistance, chemical resistance and high hardness, and is very simple in production process; the waterborne epoxy anti-corrosive primer for the 25 type bus is high in drying speed, good in adhesion, excellent in workability, high in solid content, and easy to form thickness while spraying; the waterborne acrylic polyurethane primer base coat for the 25 type bus is high in drying speed, high in hardness and good in anti-sagging resistant performance, and the butanone resistance of the waterborne acrylic polyurethane primer base coat for the 25 type bus can reach more than 50 times.

Description

The aqueous priming paint of 25 type passenger vehicles, colored paint, the preparation method of real color finish paint
Technical field
The present invention relates to painting field, particularly relate to the aqueous priming paint of a kind of 25 type passenger vehicles, colored paint, the preparation of real color finish paint Method.
Background technology
In order to improve Steel Structure of Passenger Car anticorrosive quality, specification bus anticorrosion coating process, shipping office of Chinese Railway head office Vehicle portion has organized bus anticorrosion coating process specification seminar on January 22nd, 2015 in Beijing, has promulgated " 25 type visitors Car anticorrosive coating technological specification (trying) " and the trail run notice of " 25 type passenger vehicles with coating technology condition (trying) ", notice rule Determine the coating process being applied to outside 25 type coach roofs use " anti-corrosive primer+base coat+coating varnish or real color finish paint ", Four kinds of paints in this coating all list the execution standard of oleaginous system, and wherein anti-corrosive primer salt spray resistance reaches 500h, and Lacquer finish is clear Paint is the highest with real color finish paint requirement, repair in shop standard requires gloss control 70 ± 5%, varnish fineness requirement≤10 micron, And require that the wipe test of resistance to butanone 50 times paint film back and forth is the most unchanged, and require that resistance to acids and bases and weatherability reach 1000h。
Summary of the invention
The present invention proposes the aqueous priming paint of a kind of 25 type passenger vehicles, colored paint, the preparation method of real color finish paint, it is possible to be entirely capable of full It is sufficient to standard-required, the application of 25 type Bus' surfaces can be widely used in.
The technical scheme is that and be achieved in that: the aqueous priming paint of a kind of 25 type passenger vehicles, colored paint, the system of real color finish paint Preparation Method, it is characterised in that: include 25 type passenger vehicle water-base epoxy anti-corrosive primers, 25 type passenger vehicle Aqueous acrylic urethane's background colors Paint, 25 type passenger vehicle Aqueous acrylic urethane's solid color enamels, 25 type passenger vehicle water-based finishing varnish；
Described 25 type passenger vehicle water-base epoxy anti-corrosive primers include homemade aqueous epoxy resin emulsion and component A, described Aqueous epoxy resin emulsion includes the following component according to mass fraction meter: epoxy resin 40-45%, methoxyl group poly-2-propylamine 4.3-6.7%, methylsiloxane 5-10%, mixed solvent 4-7%, defoamer 0.1-0.3%, nertralizer 0.5-1.0%, go from Sub-water 35-41%；
Described component A includes the following component according to mass fraction meter: aqueous epoxy curing agent 10-15%, lamellar aoxidize Iron oxide red 0-20%, titanium dioxide 0-15%, iron oxide black 0-8%, phlogopite 5-10%, surface process silicon strong powder 25-30%, aqueous Zinc phosphate 3-5%, dispersant 0.2-0.5%, defoamer 0.1-0.2%, surfactant 0.1-0.2%, anti-sudden strain of a muscle rust agent 0.3- 0.5%, nertralizer 0.3-0.6%, aqueous polyamide wax 2-4%, hydrated magnesium silicate 0.3-0.5%, corrosion inhibiter 2-4%, hydrotropy Agent 1-2%, deionized water 18.8-22%；
Described 25 type passenger vehicle Aqueous acrylic urethane's base coats include hydrophilic isocyanide ester firming agent A and component B, component B includes the following component according to mass fraction meter: waterborne acrylic ester-polyurethane resin emulsion 50-60%, pigment 3-26%, nanometer Barium sulfate 5-20%, aqueous dispersion 0.3-0.5%, aqueous defoamer A:0.1-0.2%, aqueous defoamer B:0.1-0.2%, Surfactant 0.1-0.2%, nertralizer 0.2-0.6%, aquosity ultraviolet light absorbent 0.5-1%, aqueous polyamide wax slurry 2- 4%, deionized water 11-13%, coalescents 1-2%；Described pigment includes: Rutile type titanium dioxide, carbon black, phthalein be dark green, in Chrome yellow, permanent bordeaux；
Described 25 type passenger vehicle Aqueous acrylic urethane's solid color enamels include hydrophilic isocyanide ester firming agent B and component C, component C includes the following component according to mass fraction meter: waterborne acrylic ester-polyurethane resin emulsion 50-55%, pigment 2.5-22%, receive Nano-barium sulfate 3-15%, aqueous flatting silica 6-10%, aqueous dispersion 0.3-0.5%, aqueous defoamer A:0.1-0.2%, water Property defoamer B:0.1-0.2%, waterborne organic silicon levelling agent 0.5-2%, surfactant 0.1-0.2%, nertralizer 0.2- 0.6%, aquosity ultraviolet light absorbent 0.5-1%, aqueous polyamide wax slurry 2-4%, deionized water 9-13%, coalescents 1- 2%, pigment includes Rutile type titanium dioxide, carbon black, phthalein viridescent, medium chrome yellow, permanent bordeaux；
Described 25 type passenger vehicle water-based finishing varnish include hydrophilic isocyanide ester firming agent C and component D, component D include by Following component according to mass fraction meter: waterborne acrylic ester-polyurethane resin emulsion 70-80%, aqueous flatting silica 0-12%, aqueous Dispersant 0.3-0.5%, aqueous defoamer 0.1-0.2%, waterborne organic silicon levelling agent 0.2-2%, surfactant 0.2- 0.4%, nertralizer 0.4-0.6%, aquosity ultraviolet light absorbent 0.5-1%, aqueous polyamide wax slurry 1-2%, deionized water 7- 14%, coalescents 2-4%；
The preparation method of aqueous epoxy resin emulsion comprises the following steps:
Epoxy resin, mixed solvent are warming up to 80-100 DEG C by step a., stir；
Step b. adds methylsiloxane, carries out being incubated 1.5h；
Temperature is reduced to 60 DEG C by step c., adds methoxyl group poly-2-propylamine, is incubated 1h；
Step d. cools the temperature under normal temperature condition, adds defoamer and deionized water, uses nertralizer to adjust pH value extremely 8.5-9.5；
The preparation method of 25 type passenger vehicle water-base epoxy anti-corrosive primers comprises the following steps:
Aqueous epoxy curing agent, nertralizer, cosolvent are added employing 400-600 rev/min and stir 5-10 minute by step e.；
Step f. uses deionized water that hydrated magnesium silicate is fabricated to the pre-slurrying of 15%, uses 600-800 rev/min of stirring 15-20 minute；
Step g. uses deionized water to produce in cylinder by adding after aqueous dispersion, aqueous defoamer, anti-sudden strain of a muscle rust dilution agent, 400-600 rev/min is used to stir 5-10 minute；
Step h. limit employing 400-600 rev/min addition flake ferric oxide while stirring is red, the strong powder of phlogopite, silicon, titanium white Powder, iron oxide black, aqueous zinc phosphate, aqueous polyamide wax and the pre-slurrying of hydrated magnesium silicate, use 600-800 rev/min of dispersion 20-30 minute, add zirconium pearl being ground to fineness was 40 microns；
Step i. uses deionized water to produce adding after surface activity dilution agent in cylinder, uses 600-800 rev/min of stirring 5-10 minute, test pH value, with nertralizer, pH value is controlled between 8-9；
Step j. dry plate realizes: according to component A: self-control aqueous epoxy resin emulsion=100:15 carries out proportioning, and employing is gone Ion distilled water carries out the adjustment of spray viscosity, and spray viscosity is adjusted to 30-40S, sprays layer 2-3, and 25 DEG C of perseverances placed by dry plate From dry 48 hours detection traditional performances in incubator；
The preparation method of 25 type passenger vehicle Aqueous acrylic urethane's base coats comprises the following steps:
Deionized water, aqueous dispersion, aqueous defoamer A, coalescents are added employing 300-400 by step k. together Rev/min stirring 5-10 minute；
Step l. adds pigment, nano barium sulfate, aqueous polyamide wax slurry, uses 400-600 rev/min of stirring 5-10 to divide Clock, uses sand mill to be ground to fineness and reaches less than 20 microns；
Step m. adds aqueous acrylic urethane resins and uses 400-600 rev/min to stir 15-20 minute；
Step n. limit uses 400-600 rev/min to add aqueous defoamer B, surfactant, aquosity ultraviolet light while stirring Absorbent, uses 400-600 rev/min to disperse 15-20 minute.Nertralizer is used to adjust pH value between 8-9；
Step o. dry plate realizes, component B: hydrophilic isocyanate curing agent A=3:1 proportioning, uses deionized-distilled water Carrying out the adjustment of spray viscosity, spray viscosity is adjusted to 20-25S, spray layer 2-3, dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances, test, after ripening 7d, the wipe test of resistance to butanone, obtain on spraying water-base epoxy anti-corrosive primer simultaneously Composite bed A, its gross thickness controls in 110-150 μm；
The preparation method of 25 type passenger vehicle Aqueous acrylic urethane's solid color enamels comprises the following steps:
Deionized water, aqueous dispersion, aqueous defoamer A, coalescents are added employing 300-400 by step p. together Rev/min stirring 5-10 minute；
Step q. adds pigment, nano barium sulfate, aqueous polyamide wax slurry, uses 400-600 rev/min of stirring 5-10 to divide Clock, uses sand mill to be ground to fineness and reaches less than 20 microns；
Step r. adds aqueous acrylic urethane resins and uses 400-600 rev/min to stir 15-20 minute；
Step s. limit uses 400-600 rev/min to add aqueous defoamer B, surfactant, aquosity ultraviolet light while stirring Absorbent, uses 400-600 rev/min to disperse 15-20 minute, uses nertralizer to adjust pH value between 8-9；
Step t. dry plate realizes: component C: hydrophilic isocyanate curing agent B=3:1 proportioning, uses deionized-distilled water Carrying out the adjustment of spray viscosity, spray viscosity is adjusted to 20-25S, spray layer 2-3, dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances, test, after ripening 7d, the wipe test of resistance to butanone, simultaneously on spraying composite bed A, and the composite bed obtained B, its gross thickness controls in 170-230 μm；
The preparation method of 25 type passenger vehicle water-based finishing varnish comprises the following steps:
Waterborne acrylic ester-polyurethane resin emulsion is added in production cylinder by step u.；
Step v. uses deionized water by aqueous dispersion, aqueous defoamer, waterborne organic silicon levelling agent, surfactant Add after dilution and produce in cylinder, use 300-400 rev/min to stir 5-10 minute；
Step w. adds aqueous flatting silica, aqueous polyamide wax slurry uses 500-600 rev/min to stir 15-20 minute；
Step x. add aquosity ultraviolet light absorbent, use nertralizer adjust pH value between 8-9, use 400-500 turn/ Divide stirring 5-10 minute；
Step y. dry plate realizes: component D: hydrophilic isocyanate curing agent C=3:1 proportioning, uses deionized-distilled water Carrying out the adjustment of spray viscosity, spray viscosity is adjusted to 20-25S, spray layer 2-3, dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances, test the wipe test of resistance to butanone and chemical resistance and salt fog resistance test, spray simultaneously after ripening 7d Being coated with on composite bed A, the composite bed C obtained, its gross thickness controls in 160-220 μm.
As preferably, the methoxyl group in described methoxyl group poly-2-propylamine gathers for EO/PO, i.e. oxirane or expoxy propane.
As preferably, what described step j dry plate realized concretely comprises the following steps: according to component A: self-control aqueous epoxy resin emulsion =100:15 carries out proportioning, uses deionized-distilled water to carry out the adjustment of spray viscosity, is adjusted to by spray viscosity with NK-2 cup 35S, sprays 3 layers, and dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances.
As preferably, component B that what described step o dry plate realized concretely comprise the following steps: hydrophilic isocyanate curing agent A=3: 1 proportioning, uses deionized-distilled water to carry out the adjustment of spray viscosity, with T-4 cup, spray viscosity is adjusted to 22S, sprays 3 layers, Dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances, tests, after ripening 7d, the wipe test of resistance to butanone, sprays simultaneously Being coated with on water-base epoxy anti-corrosive primer and obtain composite bed A, its gross thickness controls in 120-135 μm.
As preferably, component C that what described step t dry plate realized concretely comprise the following steps: hydrophilic isocyanate curing agent B=3: 1 proportioning, uses deionized-distilled water to carry out the adjustment of spray viscosity, with T-4 cup, spray viscosity is adjusted to 25S, sprays 3 layers, Dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances, tests, after ripening 7d, the wipe test of resistance to butanone, sprays simultaneously Being coated with on composite bed A, the composite bed B obtained, its gross thickness controls in 190-210 μm.
As preferably, component D that what described step y dry plate realized concretely comprise the following steps: hydrophilic isocyanate curing agent C=3: 1 proportioning, uses deionized-distilled water to carry out the adjustment of spray viscosity, with T-4 cup, spray viscosity is adjusted to 25S, sprays 3 layers, Dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances, tests the wipe test of resistance to butanone and chemically-resistant after ripening 7d Property and salt fog resistance test, simultaneously spraying composite bed A on, the composite bed C obtained, its gross thickness controls in 160-220 μm.
Compared with prior art, it is an advantage of the current invention that: in response to the call that country is to environmental requirement, pin of the present invention Having designed and developed the corresponding product of a whole set of aqueous, environmental protective system to being satisfied with this standard-required, combination property is entirely capable of meeting In standard-required, the application of 25 type Bus' surfaces can be widely used in.
Aqueous epoxy resin emulsion has the most excellent application property, anti-corrosive properties, chemical resistance, high rigidity, and produces Technique is the simplest；25 type passenger vehicle water-base epoxy anti-corrosive primers have drying speed, adhesive force is good, workability is excellent, solid Content is high, easily plays thickness during spraying；25 type passenger vehicle Aqueous acrylic urethane's base coats have drying speed, hardness height, resist sagging Property is good, and resistance to butanone performance can reach more than 50 times；25 type passenger vehicle Aqueous acrylic urethane's solid color enamels have drying speed, hardness Height, resist sagging are good, and weatherability can reach more than 2000 hours, and resistance to butanone performance can reach more than 1000 times, and chemical resistance is non- Chang Youyi；25 type passenger vehicle water-based finishing varnish have drying speed, hardness is high, resist sagging is good, and it is little that weatherability can reach 2000 More than time, resistance to butanone performance can reach more than 1000 times, and chemical resistance and composite bed salt fog resistance are the most excellent.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area The every other embodiment that art personnel are obtained under not making creative work premise, broadly falls into the model of present invention protection Enclose.
One, aqueous epoxy resin emulsion formula
Raw material is as follows:
Epoxy resin (128 or 828 TaiWan, China Hong Chang or Jiangsu three wood)
Methoxyl group poly-(EO/PO)-2-propylamine (207 Chongqing wheat figure)
Methylsiloxane (MTES, MTMS, dimethyldimethoxysil,ne, diformazan The double Fructus Persicae in the one of which Guangzhou such as base diethoxy silane, hexamethyl disiloxane, phenyl triethoxysilane)
Defoamer (2550 BASF)
Nertralizer (DMAE engrave in sea this chemistry)
Mixed solvent (ethylene glycol monobutyl ether: ethylene glycol: acetone=40:40:20)
Table 1: embodiment 1～embodiment 3 aqueous epoxy resin emulsion formulation ratio
Preparation method:
1, epoxy resin, mixed solvent are warming up to 80-100 DEG C, stir；
2, add methylsiloxane, carry out being incubated 1.5h；
3, temperature is reduced to 60 DEG C, adds methoxyl group poly-(EO/PO)-2-propylamine, be incubated 1h；
4, cool the temperature under normal temperature condition, add defoamer and deionized water, employing nertralizer adjustment pH value to 8.5- 9.5.
This product has the most excellent application property, anti-corrosive properties, chemical resistance, high rigidity, and production technology is the simplest Single.
Two, 25 type passenger vehicle water-base epoxy anti-corrosive primer
Raw material is as follows:
Waterborne organic silicon modified epoxy resin emulsion (is made by oneself)
Aqueous epoxy curing agent (6870-W-53 superpower pliability aqueous epoxy curing agent the U.S. Hexion)
Flake ferric oxide red (R01 Chongqing stablizes the country)
Titanium dioxide (titanizing work on 895)
Phlogopite powder (800 mesh phlogopite Chuzhou lattice are sharp)
Surface processes the strong powder of silicon (MD 1250WC 10222 U.S. NYCO)
Aqueous zinc phosphate (PZ04 ring fine jade chemical industry)
Dispersant (755W enlightening is high)
Defoamer (the peaceful chemicals of NXZ section)
Surfactant (OF Chengdu favour grace chemical industry)
Aqueous polyamide wax (it is prosperous that AQH-630 founds Hua)
Hydrated magnesium silicate (AD sea ease chemistry)
Cosolvent (ethylene glycol monobutyl ether LG-DOW)
Nertralizer (AMP-95 engrave in sea this chemistry)
Anti-dodge rust agent (FA-179 engrave in sea this chemistry)
Corrosion inhibiter (142DA be full of in Shanghai water)
Table 2: the component A paint formula proportioning of embodiment 4～embodiment 7
Embodiment 4 Embodiment 5 Embodiment 6 Embodiment 7
Aqueous epoxy curing agent 10 15 10 15
Flake ferric oxide is red 15 20 0 0
800 mesh phlogopite 10 8 10 5
Surface processes the strong powder of silicon 30 25 25 30
Titanium dioxide 0 0 15 10
Iron oxide black 0 0 8 4
Aqueous zinc phosphate 5 4 3 5
Dispersant 0.2 0.5 0.5 0.4
Defoamer 0.1 0.2 0.2 0.1
Surfactant 0.1 0.2 0.1 0.2
Aqueous polyamide wax 4 2 3 3
Hydrated magnesium silicate 0.3 0.5 0.4 0.4
Nertralizer 0.3 0.4 0.5 0.6
Anti-sudden strain of a muscle rust agent 0.5 0.4 0.5 0.3
Corrosion inhibiter 4 2 3 3
Ethylene glycol monobutyl ether 1 2 2 1
Deionized water 20 20 18.8 22
Add up to 100 100 100 100
Preparation method is:
1, aqueous epoxy curing agent, nertralizer, cosolvent are added employing 400-600 rev/min and stir 5-10 minute；
2, use deionized water that hydrated magnesium silicate is fabricated to the pre-slurrying of 15%, use 600-800 rev/min of stirring 15- 20 minutes；
3, use deionized water to produce in cylinder by adding after aqueous dispersion, aqueous defoamer, anti-sudden strain of a muscle rust dilution agent, use 400-600 rev/min is stirred 5-10 minute；
4, limit use 400-600 rev/min to add while stirring flake ferric oxide is red, phlogopite, surface process the strong powder of silicon, titanium White lead, iron oxide black, aqueous zinc phosphate, aqueous polyamide wax and the pre-slurrying of hydrated magnesium silicate, use 600-800 rev/min point Dissipating 20-30 minute, add zirconium pearl being ground to fineness is 40 microns；
5, use deionized water to produce adding after surface activity dilution agent in cylinder, use 600-800 rev/min of stirring 5-10 Minute, test pH value, with nertralizer, pH value is controlled between 8-9.
Performance test
Test method is: component A: from preparing aqueous epoxy resins=100:15 proportioning paint, uses deionized-distilled water to enter Row is diluted to spray viscosity (30-40S, NK-2 cup), and standard-bred mouth iron plate carries out phosphatization or grinding process, thickness on tinplate sheet Control the thickness in 20-30 μm, after 48 hours do solid work completely, do all-round property testing.Salt spray resistance and chemical resistance tested steel Plate thickness controls in 80-100 μm, and ripening was tested after 7 days.
Rate of drying according to GB/T1728, non-volatile content according to GB/T1725, cross cut test according to GB/T9286, curved Qu Xingneng according to GB/T6742, resistance to impact according to GB/T1732, AEG-process according to GB/T9753, delivery time according to GB/ T6753.4, fineness according to GB/T6753.1, dual-component coating working life according to GB/T2260, pull open method adhesive force according to GB/ T5210, salt fog resistance are according to GB/T1771.
Table 3: embodiment 4～embodiment 7 the performance test results
This kind of product has drying speed, adhesive force is good, workability is excellent, solids content is high, easily plays thickness during spraying.
Three, 25 type passenger vehicle Aqueous acrylic urethane's base coat
Raw material is as follows:
Aqueous acrylic urethane resins (RHA-308 Beijing Jin Hui profit)
Rutile type titanium dioxide (69,900 profit connection)
Carbon black (MA-100 Mitsubishi Chemical)
Medium chrome yellow (south of the River, 103-2A GB medium chrome yellow Chongqing)
Phthalein dark green (the double happy chemical industry of G)
Permanent bordeaux (F5RK Hangzhou power standing grain)
Nano barium sulfate (BS80 Beijing gold zebra)
Aqueous polyamide wax slurry (it is prosperous that AQH-630 founds Hua in Shenzhen)
Aqueous dispersion (760W enlightening is high)
Aqueous defoamer A (700 YCK)
Aqueous defoamer B (river, M148 sea chemistry)
Surfactant (IOF Chengdu favour grace chemical industry)
Coalescents (DPM LG-DOW)
Nertralizer (AMP-95 engrave in sea this chemistry)
Hydrophilic isocyanate resin A (fertile chemistry is thought in EC600 Shanghai)
Table 4: embodiment 11～embodiment 14 component B formulation ratio
Embodiment 11 Embodiment 12 Embodiment 13 Embodiment 14
Aqueous acrylic urethane resins 50 60 55 50
Rutile type titanium dioxide 25 0 5 0
Carbon black 0 3 0.15 0
Phthalein is dark green 0 0 5.5 0
Medium chrome yellow 0 0 3.5 26
Permanent bordeaux 0 0 2 0
Nano barium sulfate 5 20 10 5
Aqueous polyamide wax is starched 4 2 3 4
Aqueous dispersion 0.3 0.5 0.5 0.5
Aqueous defoamer A 0.1 0.2 0.1 0.2
Aqueous defoamer B 0.2 0.1 0.2 0.1
Surfactant 0.1 0.2 0.2 0.1
Aquosity ultraviolet light absorbent 1 0.5 0.8 0.8
Coalescents 2 1 2 1
Nertralizer 0.2 0.4 0.6 0.4
Deionized water 12.1 12.1 11.45 11.9
Add up to 100 100 100 100
Preparation method is:
1, deionized water, aqueous dispersion, aqueous defoamer A, coalescents are added together employing 300-400 rev/min Stir 5-10 minute；
2, add pigment, nano barium sulfate, aqueous flatting silica, aqueous polyamide wax slurry, use 400-600 rev/min of stirring 5-10 minute, use sand mill to be ground to fineness and reach less than 20 microns；
3, adding aqueous acrylic urethane resins uses 400-600 rev/min to stir 15-20 minute；
4, limit uses 400-600 rev/min to add aqueous defoamer B, aqueous wetting agent, surfactant, water while stirring Property UV absorbers, use 400-600 rev/min disperse 15-20 minute.Nertralizer is used to adjust pH value between 8-9.
Dry plate realizes: component B: hydrophilic isocyanate curing agent A=3:1 proportioning, uses deionized-distilled water to spray Being coated with the adjustment of viscosity, spray viscosity is adjusted to 20-25S (T-4 cup), spray layer 2-3, dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances, test, after ripening 7d, the wipe test of resistance to butanone.Obtain on spraying water-base epoxy anti-corrosive primer simultaneously Composite bed A, its gross thickness controls in 110-150 μm.
Table 5: embodiment 11～the component B dry plate performance of enforcement 14
This kind of product has drying speed, hardness is high, resist sagging is good, and resistance to butanone performance can reach more than 50 times.
Four, 25 type passenger vehicle Aqueous acrylic urethane's solid color enamel
Raw material is as follows:
Aqueous acrylic urethane resins (2695 Covestro)
Rutile type titanium dioxide (706 Du Pont)
Carbon black (the solid Sa of 6# carbon black enlightening)
Medium chrome yellow (south of the River, 103-2A GB medium chrome yellow Chongqing)
Phthalein dark green (the double happy chemical industry of G)
Permanent bordeaux (F5RK Hangzhou power standing grain)
Nano barium sulfate (BS80 Beijing gold zebra)
Aqueous polyamide wax slurry (it is prosperous that AQH-630 founds Hua in Shenzhen)
Aqueous flatting silica (M2 Singapore is resistance to rich)
Aqueous dispersion (755W enlightening is high)
Aqueous defoamer A (DF7072 engraves in sea this)
Aqueous defoamer B (DF675 engraves in sea this)
Surfactant (OF Chengdu favour grace chemical industry)
Waterborne organic silicon levelling agent (3300 Chongqing wheat figure)
Aquosity ultraviolet light absorbent (1406 Beijing addition)
Coalescents (PDGA LG-DOW)
Nertralizer (AMP-95 engrave in sea this chemistry)
Hydrophilic isocyanate resin B (N-3900 Covestro)
Table 6: embodiment 11～embodiment 14 component C formulation ratio
Embodiment 11 Embodiment 12 Embodiment 13 Embodiment 14
Aqueous acrylic urethane resins 50 55 50 50
Rutile type titanium dioxide 20 0 5 0
Carbon black 0 2.5 0.15 0
Phthalein is dark green 0 0 5.5 0
Medium chrome yellow 0 0 3.5 22
Permanent bordeaux 0 0 2 0
Nano barium sulfate 3 15 5 4
Aqueous polyamide wax is starched 4 2 3 4
Aqueous flatting silica 6 8 10 6
Aqueous dispersion 0.3 0.5 0.5 0.5
Aqueous defoamer A 0.1 0.2 0.1 0.2
Aqueous defoamer B 0.2 0.1 0.2 0.1
Surfactant 0.1 0.2 0.2 0.1
Waterborne organic silicon levelling agent 1 2 0.5 1
Aquosity ultraviolet light absorbent 1 0.5 0.8 0.8
Cosolvent 2 1 2 1
Nertralizer 0.2 0.4 0.6 0.4
Deionized water 12.1 12.6 11.15 9.9
Add up to 100 100 100 100
Preparation method is:
5, deionized water, aqueous dispersion, aqueous defoamer A, coalescents are added together employing 300-400 rev/min Stir 5-10 minute；
6, add pigment, nano barium sulfate, aqueous flatting silica, aqueous polyamide wax slurry, use 400-600 rev/min of stirring 5-10 minute, use sand mill to be ground to fineness and reach less than 20 microns；
7, adding aqueous acrylic urethane resins uses 400-600 rev/min to stir 15-20 minute；
8, limit uses 400-600 rev/min to add aqueous defoamer B, aqueous wetting agent, surfactant, water while stirring Property UV absorbers, use 400-600 rev/min disperse 15-20 minute.Nertralizer is used to adjust pH value between 8-9.
Dry plate realizes: component C: hydrophilic isocyanate curing agent B=3:1 proportioning, uses deionized-distilled water to spray Being coated with the adjustment of viscosity, spray viscosity is adjusted to 20-25S (T-4 cup), spray layer 2-3, dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances, test, after ripening 7d, the wipe test of resistance to butanone.Simultaneously on spraying composite bed A, the composite bed obtained B, its gross thickness controls in 170-230 μm.
Table 7: embodiment 11～the component C dry plate performance of enforcement 14
This kind of product has drying speed, hardness is high, resist sagging is good, and weatherability can reach more than 2000 hours, resistance to butanone Performance can reach more than 1000 times, and chemical resistance is the most excellent.
Five, 25 type passenger vehicle water-based finishing varnish
Raw material is as follows:
Aqueous acrylic urethane resins (2470 Covestro)
Aqueous polyamide wax slurry (it is prosperous that AQH-630 founds Hua in Shenzhen)
Aqueous flatting silica (M2 Singapore is resistance to rich)
Aqueous dispersion (211 YCK)
Aqueous organic modified polyorganosiloxane polyether antifoam agent (Xingda's chemical industry is closed in 6700 Chengdu)
Waterborne organic silicon class levelling agent (3300 Chongqing wheat figure)
Surfactant (OF Chengdu favour grace chemical industry)
Aquosity ultraviolet light absorbent (1406 Beijing addition)
Coalescents (PDGA LG-DOW)
Nertralizer (AMP-95 engrave in sea this chemistry)
Hydrophilic isocyanate resin C (2695 Covestro)
Table 8: embodiment 15～embodiment 18 component D formulation ratio
Embodiment 15 Embodiment 16 Embodiment 17 Embodiment 18
Aqueous acrylic urethane resins 70 72 75 80
Aqueous polyamide wax is starched 1 1.5 2 1
Aqueous dispersion 0.5 0.4 0.3 0.2
Waterborne organic silicon levelling agent 0.5 0.8 2 0.2
Surfactant 0.2 0.3 0.4 0.1
Aqueous organic modified polyorganosiloxane polyether antifoam agent 0.1 0.2 0.2 0.1
Aqueous flatting silica 12 10 7 0
Aquosity ultraviolet light absorbent 0.5 0.8 1 0.5
Coalescents 2 3 4 4
Nertralizer 0.4 0.5 0.6 0.6
Deionized water 12.8 10.5 7.5 13.3
Add up to 100 100 100 100
Preparation method is:
1, waterborne acrylic ester-polyurethane resin emulsion is added in production cylinder；
2, use deionized water by aqueous dispersion, aqueous defoamer, waterborne organic silicon levelling agent, surface activity dilution agent Rear addition produces in cylinder, uses 300-400 rev/min to stir 5-10 minute；
1, add aqueous flatting silica, aqueous polyamide wax slurry uses 500-600 rev/min to stir 15-20 minute；
4, add aquosity ultraviolet light absorbent, use nertralizer adjustment pH value between 8-9, use 400-500 rev/min and stir Mix 5-10 minute.
Dry plate realizes: component D: hydrophilic isocyanate curing agent C=3:1 proportioning, uses deionized-distilled water to spray Being coated with the adjustment of viscosity, spray viscosity is adjusted to 20-25S (T-4 cup), spray layer 2-3, dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances, test the wipe test of resistance to butanone and chemical resistance and salt fog resistance test after ripening 7d.Spray simultaneously Being coated with on composite bed A, the composite bed C obtained, its gross thickness controls in 160-220 μm.
Table 9: embodiment 15～the component D dry plate performance of enforcement 17
Note 1: high-low temperature resistant repeat experimental condition: 80 ± 2 DEG C, 95%RH 4h, 80 DEG C to-40 DEG C 2h (ramp rates 1 DEG C/min) ,-40 ± 2 DEG C of 4h ,-40 DEG C to 80 DEG C, 95%RH 2h (1 DEG C/min of ramp rates), above 12h is a cycle, sample Plate is answered ambient temperatare to put more than 16h after 60 periodic tests complete and is tested；Carry out when coating layer thickness is for≤300 μm drawing Lattice are tested, and time below the μm of thickness≤80, draw compartment away from for 1mm, during thickness 80-150 μm, draw compartment away from for 2mm, thickness 150- During 300 μm, draw compartment away from for 3mm, during coating layer thickness ＞ 300 μm, carry out X-cutting test.
By embodiment 4-embodiment 18, make the water-base epoxy outside the roof being applied to 25 type passenger vehicles respectively antirust Priming paint, Aqueous acrylic urethane's base coat, Aqueous acrylic urethane's reality color finish paint or the product of water-based finishing varnish three coating Product, by all-round property testing, indices is all superior to the index request of 25 type passenger vehicles, especially at resistance to butanone wiping, salt tolerant The aspects such as mist, chemical resistance, weatherability are substantially superior to index request, are the environment-friendly type coatings of one group of complete Water-borne modification.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (6)

1. the aqueous priming paint of a type passenger vehicle, colored paint, the preparation method of real color finish paint, it is characterised in that: include 25 type passenger vehicles With water-base epoxy anti-corrosive primer, 25 type passenger vehicle Aqueous acrylic urethane's base coats, 25 type passenger vehicle Aqueous acrylic urethane in fact Colored paint, 25 type passenger vehicle water-based finishing varnish；
Described 25 type passenger vehicle water-base epoxy anti-corrosive primers include homemade aqueous epoxy resin emulsion and component A, described aqueous Epoxy resin latex includes the following component according to mass fraction meter: epoxy resin 40-45%, methoxyl group poly-2-propylamine 4.3- 6.7%, methylsiloxane 5-10%, mixed solvent 4-7%, defoamer 0.1-0.3%, nertralizer 0.5-1.0%, deionized water 35-41%；
Described component A includes the following component according to mass fraction meter: aqueous epoxy curing agent 10-15%, flake ferric oxide are red 0-20%, titanium dioxide 0-15%, iron oxide black 0-8%, phlogopite 5-10%, surface process silicon strong powder 25-30%, aqueous phosphate Zinc 3-5%, dispersant 0.2-0.5%, defoamer 0.1-0.2%, surfactant 0.1-0.2%, anti-sudden strain of a muscle rust agent 0.3- 0.5%, nertralizer 0.3-0.6%, aqueous polyamide wax 2-4%, hydrated magnesium silicate 0.3-0.5%, corrosion inhibiter 2-4%, hydrotropy Agent 1-2%, deionized water 18.8-22%；
Described 25 type passenger vehicle Aqueous acrylic urethane's base coats include hydrophilic isocyanide ester firming agent A and component B, component B bag Include the following component according to mass fraction meter: waterborne acrylic ester-polyurethane resin emulsion 50-60%, pigment 3-26%, nano-sulfur Acid barium 5-20%, aqueous dispersion 0.3-0.5%, aqueous defoamer A:0.1-0.2%, aqueous defoamer B:0.1-0.2%, table Face activating agent 0.1-0.2%, nertralizer 0.2-0.6%, aquosity ultraviolet light absorbent 0.5-1%, aqueous polyamide wax slurry 2- 4%, deionized water 11-13%, coalescents 1-2%；Described pigment includes: Rutile type titanium dioxide, carbon black, phthalein be dark green, in Chrome yellow, permanent bordeaux；
Described 25 type passenger vehicle Aqueous acrylic urethane's solid color enamels include hydrophilic isocyanide ester firming agent B and component C, component C bag Include the following component according to mass fraction meter: waterborne acrylic ester-polyurethane resin emulsion 50-55%, pigment 2.5-22%, nanometer Barium sulfate 3-15%, aqueous flatting silica 6-10%, aqueous dispersion 0.3-0.5%, aqueous defoamer A:0.1-0.2%, aqueous Defoamer B:0.1-0.2%, waterborne organic silicon levelling agent 0.5-2%, surfactant 0.1-0.2%, nertralizer 0.2- 0.6%, aquosity ultraviolet light absorbent 0.5-1%, aqueous polyamide wax slurry 2-4%, deionized water 9-13%, coalescents 1- 2%, pigment includes Rutile type titanium dioxide, carbon black, phthalein viridescent, medium chrome yellow, permanent bordeaux；
Described 25 type passenger vehicle water-based finishing varnish include hydrophilic isocyanide ester firming agent C and component D, and component D includes according to matter The following component of amount mark meter: waterborne acrylic ester-polyurethane resin emulsion 70-80%, aqueous flatting silica 0-12%, aqueous dispersion Agent 0.3-0.5%, aqueous defoamer 0.1-0.2%, waterborne organic silicon levelling agent 0.2-2%, surfactant 0.2-0.4%, Nertralizer 0.4-0.6%, aquosity ultraviolet light absorbent 0.5-1%, aqueous polyamide wax slurry 1-2%, deionized water 7-14%, one-tenth Film auxiliary agent 2-4%；
The preparation method of aqueous epoxy resin emulsion comprises the following steps:
Epoxy resin, mixed solvent are warming up to 80-100 DEG C by step a., stir；
Step b. adds methylsiloxane, carries out being incubated 1.5h；
Temperature is reduced to 60 DEG C by step c., adds methoxyl group poly-2-propylamine, is incubated 1h；
Step d. cools the temperature under normal temperature condition, adds defoamer and deionized water, employing nertralizer adjustment pH value to 8.5- 9.5；
The preparation method of 25 type passenger vehicle water-base epoxy anti-corrosive primers comprises the following steps:
Aqueous epoxy curing agent, nertralizer, cosolvent are added employing 400-600 rev/min and stir 5-10 minute by step e.；
Step f. uses deionized water that hydrated magnesium silicate is fabricated to the pre-slurrying of 15%, uses 600-800 rev/min of stirring 15- 20 minutes；
Step g. uses deionized water to produce in cylinder by adding after aqueous dispersion, aqueous defoamer, anti-sudden strain of a muscle rust dilution agent, uses 400-600 rev/min is stirred 5-10 minute；
Step h. limit employing 400-600 rev/min addition flake ferric oxide while stirring is red, the strong powder of phlogopite, silicon, titanium dioxide, oxygen Change iron oxide black, aqueous zinc phosphate, aqueous polyamide wax and the pre-slurrying of hydrated magnesium silicate, use 600-800 rev/min of dispersion 20-30 Minute, add zirconium pearl being ground to fineness is 40 microns；
Step i. uses deionized water to produce adding after surface activity dilution agent in cylinder, uses 600-800 rev/min of stirring 5-10 Minute, test pH value, with nertralizer, pH value is controlled between 8-9；
Step j. dry plate realizes: according to component A: self-control aqueous epoxy resin emulsion=100:15 carries out proportioning, uses deionization Distilled water carries out the adjustment of spray viscosity, and spray viscosity is adjusted to 30-40S, sprays layer 2-3, and 25 DEG C of calorstats placed by dry plate In from dry 48 hours detection traditional performances；
The preparation method of 25 type passenger vehicle Aqueous acrylic urethane's base coats comprises the following steps:
Deionized water, aqueous dispersion, aqueous defoamer A, coalescents are added employing 300-400 rev/min by step k. together Stir 5-10 minute；
Step l. adds pigment, nano barium sulfate, aqueous polyamide wax slurry, uses 400-600 rev/min to stir 5-10 minute, adopts It is ground to fineness with sand mill and reaches less than 20 microns；
Step m. adds aqueous acrylic urethane resins and uses 400-600 rev/min to stir 15-20 minute；
Step n. limit uses 400-600 rev/min to add aqueous defoamer B, surfactant, aquosity ultraviolet light absorption while stirring Agent, uses 400-600 rev/min to disperse 15-20 minute.Nertralizer is used to adjust pH value between 8-9；
Step o. dry plate realizes, component B: hydrophilic isocyanate curing agent A=3:1 proportioning, uses deionized-distilled water to carry out The adjustment of spray viscosity, is adjusted to 20-25S by spray viscosity, sprays layer 2-3, and dry plate is placed in 25 DEG C of calorstats little from doing 48 Time detection traditional performance, test, after ripening 7d, the wipe test of resistance to butanone, simultaneously spraying water-base epoxy anti-corrosive primer on be combined Layer A, its gross thickness controls in 110-150 μm；
The preparation method of 25 type passenger vehicle Aqueous acrylic urethane's solid color enamels comprises the following steps:
Deionized water, aqueous dispersion, aqueous defoamer A, coalescents are added employing 300-400 rev/min by step p. together Stir 5-10 minute；
Step q. adds pigment, nano barium sulfate, aqueous polyamide wax slurry, uses 400-600 rev/min to stir 5-10 minute, adopts It is ground to fineness with sand mill and reaches less than 20 microns；
Step r. adds aqueous acrylic urethane resins and uses 400-600 rev/min to stir 15-20 minute；
Step s. limit uses 400-600 rev/min to add aqueous defoamer B, surfactant, aquosity ultraviolet light absorption while stirring Agent, uses 400-600 rev/min to disperse 15-20 minute, uses nertralizer to adjust pH value between 8-9；
Step t. dry plate realizes: component C: hydrophilic isocyanate curing agent B=3:1 proportioning, uses deionized-distilled water to carry out The adjustment of spray viscosity, is adjusted to 20-25S by spray viscosity, sprays layer 2-3, and dry plate is placed in 25 DEG C of calorstats little from doing 48 Time detection traditional performance, test, after ripening 7d, the wipe test of resistance to butanone, simultaneously spraying composite bed A on, the composite bed B obtained, its Gross thickness controls in 170-230 μm；
The preparation method of 25 type passenger vehicle water-based finishing varnish comprises the following steps:
Waterborne acrylic ester-polyurethane resin emulsion is added in production cylinder by step u.；
Step v. uses deionized water by aqueous dispersion, aqueous defoamer, waterborne organic silicon levelling agent, surface activity dilution agent Rear addition produces in cylinder, uses 300-400 rev/min to stir 5-10 minute；
Step w. adds aqueous flatting silica, aqueous polyamide wax slurry uses 500-600 rev/min to stir 15-20 minute；
Step x. adds aquosity ultraviolet light absorbent, uses nertralizer adjustment pH value between 8-9, uses 400-500 rev/min and stir Mix 5-10 minute；
Step y. dry plate realizes: component D: hydrophilic isocyanate curing agent C=3:1 proportioning, uses deionized-distilled water to carry out The adjustment of spray viscosity, is adjusted to 20-25S by spray viscosity, sprays layer 2-3, and dry plate is placed in 25 DEG C of calorstats little from doing 48 Time detection traditional performance, test the wipe test of resistance to butanone and chemical resistance and salt fog resistance test after ripening 7d, spraying is multiple simultaneously Closing on layer A, the composite bed C obtained, its gross thickness controls in 160-220 μm.
The aqueous priming paint of 25 type passenger vehicles the most according to claim 1, colored paint, the preparation method of real color finish paint, its feature exists In: the methoxyl group in described methoxyl group poly-2-propylamine gathers for EO/PO, i.e. oxirane or expoxy propane.
The aqueous priming paint of 25 type passenger vehicles the most according to claim 1 and 2, colored paint, the preparation method of real color finish paint, its feature It is: what described step j dry plate realized concretely comprises the following steps: according to component A: self-control aqueous epoxy resin emulsion=100:15 is carried out Proportioning, uses deionized-distilled water to carry out the adjustment of spray viscosity, with NK-2 cup, spray viscosity is adjusted to 35S, sprays 3 layers, Dry plate is placed in 25 DEG C of calorstats from dry 48 hours detection traditional performances.
The aqueous priming paint of 25 type passenger vehicles the most according to claim 1 and 2, colored paint, the preparation method of real color finish paint, its feature It is: what described step o dry plate realized concretely comprises the following steps component B: hydrophilic isocyanate curing agent A=3:1 proportioning, employing is gone Ion distilled water carries out the adjustment of spray viscosity, with T-4 cup, spray viscosity is adjusted to 22S, sprays 3 layers, and dry plate places 25 DEG C From dry 48 hours detection traditional performances in calorstat, testing, after ripening 7d, the wipe test of resistance to butanone, spraying water-base epoxy is prevented simultaneously Obtaining composite bed A on rust priming paint, its gross thickness controls in 120-135 μm.
The aqueous priming paint of 25 type passenger vehicles the most according to claim 1 and 2, colored paint, the preparation method of real color finish paint, its feature It is: what described step t dry plate realized concretely comprises the following steps component C: hydrophilic isocyanate curing agent B=3:1 proportioning, employing is gone Ion distilled water carries out the adjustment of spray viscosity, with T-4 cup, spray viscosity is adjusted to 25S, sprays 3 layers, and dry plate places 25 DEG C From dry 48 hours detection traditional performances in calorstat, test, after ripening 7d, the wipe test of resistance to butanone, simultaneously on spraying composite bed A, The composite bed B obtained, its gross thickness controls in 190-210 μm.
The aqueous priming paint of 25 type passenger vehicles the most according to claim 1 and 2, colored paint, the preparation method of real color finish paint, its feature It is: what described step y dry plate realized concretely comprises the following steps component D: hydrophilic isocyanate curing agent C=3:1 proportioning, employing is gone Ion distilled water carries out the adjustment of spray viscosity, with T-4 cup, spray viscosity is adjusted to 25S, sprays 3 layers, and dry plate places 25 DEG C From dry 48 hours detection traditional performances in calorstat, after ripening 7d, test the wipe test of resistance to butanone and chemical resistance and salt fog resistance Test, simultaneously on spraying composite bed A, the composite bed C obtained, its gross thickness controls in 160-220 μm.
CN201610570716.4A 2016-07-19 2016-07-19 Preparation method for waterborne primer, colored paint and solid-color topcoat of 25 type bus Pending CN106047076A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113201272A (en) * 2021-04-27 2021-08-03 山西华豹新材料有限公司 Multicolor low-gloss water-based paint primer and finish composition for railway passenger car
CN116042053A (en) * 2022-12-23 2023-05-02 成都虹润制漆有限公司 Water-based epoxy primer, water-based polyurethane finish and water-based anticorrosive paint
CN116589900A (en) * 2022-11-30 2023-08-15 成都虹润制漆有限公司 High-temperature-resistant water-based insulating paint and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN103146284A (en) * 2012-12-21 2013-06-12 新疆红山涂料有限公司 Water-based epoxy anti-corrosion primer coatings
CN105086811A (en) * 2015-08-20 2015-11-25 成都拜迪新材料有限公司 Preparation method of water-based acrylic polyurethane top coat used for high-speed rail motor car bodies
CN105694473A (en) * 2016-03-01 2016-06-22 江拥 Water-borne epoxy resin emulsion, anticorrosive paint and preparing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103146284A (en) * 2012-12-21 2013-06-12 新疆红山涂料有限公司 Water-based epoxy anti-corrosion primer coatings
CN105086811A (en) * 2015-08-20 2015-11-25 成都拜迪新材料有限公司 Preparation method of water-based acrylic polyurethane top coat used for high-speed rail motor car bodies
CN105694473A (en) * 2016-03-01 2016-06-22 江拥 Water-borne epoxy resin emulsion, anticorrosive paint and preparing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113201272A (en) * 2021-04-27 2021-08-03 山西华豹新材料有限公司 Multicolor low-gloss water-based paint primer and finish composition for railway passenger car
CN116589900A (en) * 2022-11-30 2023-08-15 成都虹润制漆有限公司 High-temperature-resistant water-based insulating paint and preparation method thereof
CN116589900B (en) * 2022-11-30 2024-03-29 成都虹润制漆有限公司 High-temperature-resistant water-based insulating paint and preparation method thereof
CN116042053A (en) * 2022-12-23 2023-05-02 成都虹润制漆有限公司 Water-based epoxy primer, water-based polyurethane finish and water-based anticorrosive paint

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Application publication date: 20161026