CN114181625A - Methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint and preparation method thereof - Google Patents
Methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint and preparation method thereof Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 title claims abstract description 42
- 239000002904 solvent Substances 0.000 title claims abstract description 38
- 239000003973 paint Substances 0.000 title claims abstract description 35
- 150000002576 ketones Chemical class 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 239000002966 varnish Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920003180 amino resin Polymers 0.000 claims abstract description 15
- 239000000049 pigment Substances 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 239000004606 Fillers/Extenders Substances 0.000 claims abstract description 8
- 239000013530 defoamer Substances 0.000 claims abstract description 8
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000002270 dispersing agent Substances 0.000 claims description 18
- 238000005303 weighing Methods 0.000 claims description 14
- 150000001412 amines Chemical class 0.000 claims description 12
- 239000002518 antifoaming agent Substances 0.000 claims description 12
- 239000006254 rheological additive Substances 0.000 claims description 12
- 230000000844 anti-bacterial effect Effects 0.000 claims description 11
- 239000003899 bactericide agent Substances 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 10
- 239000000080 wetting agent Substances 0.000 claims description 10
- 239000002318 adhesion promoter Substances 0.000 claims description 7
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 7
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 2
- ZXQYGBMAQZUVMI-GCMPRSNUSA-N gamma-cyhalothrin Chemical group CC1(C)[C@@H](\C=C(/Cl)C(F)(F)F)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-GCMPRSNUSA-N 0.000 claims description 2
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 6
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 6
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 6
- 239000005028 tinplate Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910001723 mesolite Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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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
- C09D201/00—Coating compositions based on unspecified macromolecular 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant 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
- C09D7/41—Organic pigments; Organic dyes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Paints Or Removers (AREA)
Abstract
Methylene dichloride and ketone solvent resistant high-temperature water-based amino baking paint and a preparation method thereof, belonging to the technical field of baking paint. The water-based amino baking varnish comprises water-based amino baking varnish raw materials, wherein the water-based amino baking varnish raw materials comprise the following raw materials in parts by weight: 48-51.8 parts of 3250T tin-free Honghui resin, 5.7-10 parts of cyante 303 amino resin, 0.7-1 part of accelerator, 0.4-0.6 part of rheological agent, 0.3-0.4 part of defoamer, 29.3-32.1 parts of water-based blue slurry raw material and 8.5-11.2 parts of solvent. The invention adopts a plurality of environment-friendly materials such as amino resin, aqueous auxiliary agent, solvent, water, extender pigment and the like, and forms an environment-friendly product of methylene chloride and ketone solvent resistant high-temperature aqueous amino baking varnish after grinding, mixing, stirring and color matching.
Description
Technical Field
The invention belongs to the technical field of baking varnish, and particularly relates to methylene chloride and ketone solvent resistant high-temperature water-based amino baking varnish and a preparation method thereof.
Background
The dichloromethane and the ketone solvent have strong dissolving capacity, have corrosion action on the surface layers of plastic, rubber and common paint films, have higher requirements on storage containers, and are mainly galvanized iron barrels and black iron barrels. At present, the exterior of a chemical barrel is usually coated with oily amino baking varnish, which is subject to environmental protection requirements, and the trend of water-based chemistry is gradually obvious. In order to meet the market demand, an aqueous baking varnish system (180 ℃) meeting dichloromethane soaking and ketone resistance is developed. The paint film is hard and tough, the adhesion force on the metal base material is strong, the mechanical strength is good, the pollution resistance, the oil resistance and the detergent resistance are realized, water is used as a diluent, and the paint is non-combustible and non-explosive and is an environment-friendly product.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to design and provide a technical scheme of methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint and a preparation method thereof.
The invention provides methylene chloride and ketone resistant solvent type high-temperature water-based amino baking paint which comprises water-based amino baking paint raw materials, wherein the water-based amino baking paint raw materials comprise the following raw materials in parts by weight: 48-51.8 parts of 3250T tin-free Honghui resin, 5.7-10 parts of cyante 303 amino resin, 0.7-1 part of accelerator, 0.4-0.6 part of rheological agent, 0.3-0.4 part of defoamer, 29.3-32.1 parts of water-based blue slurry raw material and 8.5-11.2 parts of solvent;
the raw materials of the water-based blue slurry comprise the following raw materials in parts by weight: 5.7-8 parts of phthalocyanine blue, 58-65.8 parts of extender pigment, 6-9.5 parts of dispersant, 0.3-0.5 part of flatting agent, 0.2-0.6 part of wetting agent, 0.4-0.9 part of rheological additive, 0.35-0.5 part of amine neutralizer, 0.1-1.5 parts of bactericide and 18.6-23.6 parts of water.
Further, the water-based amino baking varnish comprises the following raw materials in parts by weight: 48-50 parts of 3250T tin-free Honghui resin, 6-9 parts of cyante 303 amino resin, 0.7-0.9 part of accelerator, 0.4-0.6 part of rheological agent, 0.3-0.4 part of defoamer, 30-32 parts of water-based blue slurry and 9-11 parts of solvent.
Further, the raw materials of the water-based blue paste comprise the following raw materials in parts by weight: 6-8 parts of phthalocyanine blue, 60-64 parts of extender pigment, 7-9 parts of dispersant, 0.3-0.5 part of flatting agent, 0.3-0.4 part of wetting agent, 0.5-0.8 part of rheological additive, 0.4-0.5 part of amine neutralizer, 0.5-1.2 parts of bactericide and 20-22 parts of water.
Further, the bulk pigment in the water-based blue paste raw material comprises barium sulfate, titanium dioxide and/or medium chrome yellow.
Further, the dispersing agents in the aqueous blue slurry raw material are a TECH-31665 dispersing agent and a TECH-31697 dispersing agent; the leveling agent is a TECH-31246 leveling agent; the wetting agent is TECH-31265; the rheological additive is TECH-31901 rheological additive; the amine neutralizer is TECH-31884 amine neutralizer; the bactericide is trojan K9N bactericide.
Further, an accelerator in the water-based amino baking varnish raw material is a TECH-31753 adhesion promoter; the rheological agent is TECH-31170 rheological agent; the antifoaming agent is TECH-31377 antifoaming agent.
The invention also provides a preparation method of the methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint, which comprises the following steps:
s1, weighing formula water in turn according to the formula of the water-based blue paste raw material; weighing and adding the auxiliary agent under stirring for pre-dispersing for 10 minutes, weighing and pre-dispersing the pigment and the extender pigment for 10 minutes, adding equivalent zirconium beads, grinding for 120 minutes, and filtering for later use;
s2, weighing the resin according to the formula of the water-based amino baking varnish raw material, adding the solvent to disperse for 30 minutes under the stirring state, then adding the defoaming agent and the rheological agent to disperse for 40 minutes at a high speed, adding the water-based blue slurry and the accelerant to disperse for 30 minutes, finally adding the amino resin to disperse for 15 minutes, and preparing the sample varnish for later use.
The invention relates to a TECH-31665 dispersant, a TECH-31697 dispersant, a TECH-31246 flatting agent, a TECH-31265 wetting agent, a TECH-31901 rheological additive, a TECH-31884 amine neutralizer, a TECH-31753 adhesion promoter, a TECH-31170 rheological agent and a TECH-31377 defoaming agent which are all produced and sold by Shanghai Tager polymer technology Limited company.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts a plurality of environment-friendly materials such as amino resin, aqueous auxiliary agent, solvent, water, extender pigment and the like, and forms an environment-friendly product of methylene chloride and ketone solvent resistant high-temperature aqueous amino baking varnish after grinding, mixing, stirring and color matching.
Drawings
FIG. 1 shows the color of the aqueous amino baking varnish tank in example 1.
FIG. 2 shows the dry film thickness of the aqueous amino baking varnish of example 1.
FIG. 3 is the gloss of the aqueous amino baking varnish of example 1.
FIGS. 4, 5, 6 and 7 are paint film test charts in example 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
methylene dichloride and ketone solvent resistant high-temperature water-based amino baking paint, wherein the water-based blue paste comprises the following components in parts by weight: 18.6 parts of water, 4 parts of TECH-31665 dispersant, 2 parts of TECH-31697 dispersant, 0.3 part of TECH-31246 organic silicon leveling agent, 0.2 part of TECH-31265 wetting agent, 0.4 part of TECH-31901 rheological additive, 0.35 part of TECH-31884 amine neutralizer, 0.35 part of K9N bactericide, 46.5 parts of barium sulfate, 18.1 parts of titanium dioxide, 1.2 parts of mesochrome yellow and 8 parts of phthalocyanine blue.
The preparation method of the methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint comprises the following steps:
1) weighing water and a solvent in the formula in sequence according to the formula of the color paste; under stirring, the auxiliary agent is weighed and added for pre-dispersion for 10 minutes (600 revolutions/min), then the pigment and the filler are weighed and pre-dispersed for 10 minutes (600 revolutions/min), the same amount of zirconium beads are added for grinding for 120 minutes, and the filter pulp is reserved (the fineness is below 10 um).
2) Weighing resin according to an amino baking varnish formula, wherein the resin comprises the following raw materials in parts by weight: 48 parts of 3250T tin-free Honghui resin, 10 parts of cyanite 303 amino resin, 0.7 part of TECH-31753 adhesion promoter, 0.4 part of TECH-31170 non-silicon rheological agent, 0.3 part of TECH-31377 organic silicon defoamer, 32.1 parts of aqueous blue slurry, 2.4 parts of 1, 4-butanediol, 2.4 parts of triethanolamine, 1.5 parts of propylene glycol methyl ether and 2.2 parts of diacetone alcohol; adding a solvent to disperse for 30 minutes (600 revolutions/min) under a stirring state, then dispersing the defoaming agent and the flatting agent for 40 minutes (1200 revolutions/min) at a high speed, adding the color paste and the adhesion promoter to disperse for 30 minutes (600 revolutions/min), finally adding the amino resin to disperse for 15 minutes (400 revolutions/min), and preparing a sample paint for later use.
3) And (3) polishing and wiping the tin plate by using 800-mesh sand for later use.
4) The sample paint is adjusted to be proper in spraying viscosity, sprayed on a tin plate, dried for 10 minutes, placed in an oven for baking for 30 minutes (180 ℃) and naturally cooled.
5) The performance of the panels was tested and is shown in figures 1-7.
Example 2:
methylene dichloride and ketone solvent resistant high-temperature water-based amino baking paint, wherein the water-based blue paste comprises the following components in parts by weight: 20 parts of water, 5 parts of a TECH-31665 dispersant, 3 parts of a TECH-31697 dispersant, 0.4 part of a TECH-31246 organic silicon leveling agent, 0.4 part of a TECH-31265 wetting agent, 0.4 part of a TECH-31360 defoaming agent, 0.7 part of a TECH-31901 rheological additive, 0.4 part of a TECH-31884 amine neutralizer, 0.1 part of a K9N bactericide, 45 parts of barium sulfate, 16.2 parts of titanium dioxide, 0.9 part of mesoluo yellow and 7.5 parts of phthalocyanine blue.
The preparation method of the methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint comprises the following steps:
1) weighing water and a solvent in the formula in sequence according to the formula of the color paste; under stirring, the auxiliary agent is weighed and added for pre-dispersion for 10 minutes (600 revolutions/min), then the pigment and the filler are weighed and pre-dispersed for 10 minutes (600 revolutions/min), the same amount of zirconium beads are added for grinding for 120 minutes, and the filter pulp is reserved (the fineness is below 10 um).
2) Weighing resin according to an amino baking varnish formula, wherein the resin comprises the following raw materials in parts by weight: 49.2 parts of 3250T tin-free resin, 7.8 parts of cyanite 303 amino resin, 0.8 part of TECH-31753 adhesive force promoter, 0.5 part of TECH-31170 non-silicon flatting agent, 0.35 part of TECH-31377 organic silicon defoamer, 31.35 parts of water-based blue slurry, 2.8 parts of 1, 4-butanediol, 2.8 parts of triethanolamine, 1.8 parts of propylene glycol methyl ether and 2.6 parts of diacetone alcohol. Adding a solvent to disperse for 30 minutes (600 revolutions/min) under a stirring state, then dispersing the defoaming agent and the flatting agent for 40 minutes (1200 revolutions/min) at a high speed, adding the color paste and the adhesion promoter to disperse for 30 minutes (600 revolutions/min), finally adding the amino resin to disperse for 15 minutes (400 revolutions/min), and preparing a sample paint for later use.
3) And (3) polishing and wiping the tin plate by using 800-mesh sand for later use.
4) The sample paint is adjusted to be proper in spraying viscosity, sprayed on a tin plate, dried for 10 minutes, placed in an oven for baking for 30 minutes (180 ℃) and naturally cooled.
5) The samples were tested for performance.
Example 3:
methylene dichloride and ketone solvent resistant high-temperature water-based amino baking paint, wherein the water-based blue paste comprises the following components in parts by weight: 23.6 parts of water, 6 parts of a TECH-31665 dispersant, 3.5 parts of a TECH-31697 dispersant, 0.5 part of a TECH-31246 organic silicon leveling agent, 0.6 part of a TECH-31265 wetting agent, 0.6 part of a TECH-31360 defoaming agent, 0.9 part of a TECH-31901 rheological additive, 0.5 part of a TECH-31884 amine neutralizer, 0.1 part of a K9N bactericide, 43 parts of barium sulfate, 14.5 parts of titanium dioxide, 0.5 part of mesolite and 5.7 parts of phthalocyanine blue.
The preparation method of the methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint comprises the following steps:
1) weighing water and a solvent in the formula in sequence according to the formula of the color paste; under stirring, the auxiliary agent is weighed and added for pre-dispersion for 10 minutes (600 revolutions/min), then the pigment and the filler are weighed and pre-dispersed for 10 minutes (600 revolutions/min), the same amount of zirconium beads are added for grinding for 120 minutes, and the filter pulp is reserved (the fineness is below 10 um).
2) Weighing resin according to an amino baking varnish formula, wherein the resin comprises the following raw materials in parts by weight: 51.8 parts of 3250T tin-free Honghui resin, 5.7 parts of cyanite 303 amino resin, 0.7 part of TECH-31753 adhesive force promoter, 0.6 part of TECH-31170 non-silicon flatting agent, 0.4 part of TECH-31377 organic silicon defoamer, 29.3 parts of water-based blue slurry, 3.1 parts of 1, 4-butanediol, 3.1 parts of triethanolamine, 2 parts of propylene glycol methyl ether and 3 parts of diacetone alcohol. Adding a solvent to disperse for 30 minutes (600 revolutions/min) under a stirring state, then dispersing the defoaming agent and the flatting agent for 40 minutes (1200 revolutions/min) at a high speed, adding the color paste and the adhesion promoter to disperse for 30 minutes (600 revolutions/min), finally adding the amino resin to disperse for 15 minutes (400 revolutions/min), and preparing a sample paint for later use.
3) And (3) polishing and wiping the tin plate by using 800-mesh sand for later use.
4) The sample paint is adjusted to be proper in spraying viscosity, sprayed on a tin plate, dried for 10 minutes, placed in an oven for baking for 30 minutes (180 ℃) and naturally cooled.
5) The samples were tested for performance.
Claims (7)
1. The methylene chloride and ketone resistant solvent type high-temperature water-based amino baking paint is characterized by comprising water-based amino baking paint raw materials, wherein the water-based amino baking paint raw materials comprise the following raw materials in parts by weight: 48-51.8 parts of 3250T tin-free Honghui resin, 5.7-10 parts of cyante 303 amino resin, 0.7-1 part of accelerator, 0.4-0.6 part of rheological agent, 0.3-0.4 part of defoamer, 29.3-32.1 parts of water-based blue slurry raw material and 8.5-11.2 parts of solvent;
the raw materials of the water-based blue slurry comprise the following raw materials in parts by weight: 5.7-8 parts of phthalocyanine blue, 58-65.8 parts of extender pigment, 6-9.5 parts of dispersant, 0.3-0.5 part of flatting agent, 0.2-0.6 part of wetting agent, 0.4-0.9 part of rheological additive, 0.35-0.5 part of amine neutralizer, 0.1-1.5 parts of bactericide and 18.6-23.6 parts of water.
2. The methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint as claimed in claim 1, wherein the water-based amino baking paint raw materials comprise the following raw materials in parts by weight: 48-50 parts of 3250T tin-free Honghui resin, 6-9 parts of cyante 303 amino resin, 0.7-0.9 part of accelerator, 0.4-0.6 part of rheological agent, 0.3-0.4 part of defoamer, 30-32 parts of water-based blue slurry and 9-11 parts of solvent.
3. The methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint as claimed in claim 1, wherein the water-based blue paste raw material comprises the following raw materials in parts by weight: 6-8 parts of phthalocyanine blue, 60-64 parts of extender pigment, 7-9 parts of dispersant, 0.3-0.5 part of flatting agent, 0.3-0.4 part of wetting agent, 0.5-0.8 part of rheological additive, 0.4-0.5 part of amine neutralizer, 0.5-1.2 parts of bactericide and 20-22 parts of water.
4. The methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint as claimed in any one of claims 1 to 3, wherein the bulk pigment in the water-based blue paste raw material comprises barium sulfate, titanium dioxide and/or chrome yellow.
5. The methylene chloride and ketone solvent resistant high-temperature water-based amino baking varnish as claimed in any one of claims 1 to 3, wherein the dispersant in the water-based blue paste raw material is a TECH-31665 dispersant and a TECH-31697 dispersant; the leveling agent is a TECH-31246 leveling agent; the wetting agent is TECH-31265; the rheological additive is TECH-31901 rheological additive; the amine neutralizer is TECH-31884 amine neutralizer; the bactericide is trojan K9N bactericide.
6. The methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint as claimed in any one of claims 1 to 3, wherein the accelerator in the water-based amino baking paint raw material is a TECH-31753 adhesion promoter; the rheological agent is TECH-31170 rheological agent; the antifoaming agent is TECH-31377 antifoaming agent.
7. The method for preparing methylene chloride and ketone solvent resistant high-temperature water-based amino baking paint according to any one of claims 1 to 3, characterized by comprising the following steps:
s1, weighing formula water in turn according to the formula of the water-based blue paste raw material; weighing and adding the auxiliary agent under stirring for pre-dispersing for 10 minutes, weighing and pre-dispersing the pigment and the extender pigment for 10 minutes, adding equivalent zirconium beads, grinding for 120 minutes, and filtering for later use;
s2, weighing the resin according to the formula of the water-based amino baking varnish raw material, adding the solvent to disperse for 30 minutes under the stirring state, then adding the defoaming agent and the rheological agent to disperse for 40 minutes at a high speed, adding the water-based blue slurry and the accelerant to disperse for 30 minutes, finally adding the amino resin to disperse for 15 minutes, and preparing the sample varnish for later use.
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