CN108977033A - A kind of electrochemical aluminum paint and its production technology - Google Patents
A kind of electrochemical aluminum paint and its production technology Download PDFInfo
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- CN108977033A CN108977033A CN201810837949.5A CN201810837949A CN108977033A CN 108977033 A CN108977033 A CN 108977033A CN 201810837949 A CN201810837949 A CN 201810837949A CN 108977033 A CN108977033 A CN 108977033A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- 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
Abstract
The present invention relates to a kind of electrochemical aluminum paint and its production technology, the composition of the electrochemical aluminum paint includes: 50-60 parts of flexible polyurethane resin, 30-40 parts of acrylic resin, 10-20 parts of melamine resin, 5-9 parts of chlorinated paraffin, 4-6 parts of auxiliary agent, 80-90 parts of solvent and 2-3 parts of nano silica in parts by weight；The present invention is the upper boiling hot property that can effectively improve electrochemical aluminum paint, cutting property, adhesive force, fissility, wearability, improve the yield rate of anodized aluminium production, improve production efficiency, satisfactory effect is achieved in terms of saving material and the energy and reducing, coating of the present invention can guarantee the stability of production and the service performance of product, and can bring bigger economic benefit for company.
Description
Technical field
The present invention relates to a kind of electrochemical aluminum paint and its production technologies, belong to electrochemical aluminum paint field.
Background technique
Anodized aluminium product experienced the stage repeatedly developed since coming out before 100 years, in packaging, printing, weaving, decoration
Equal fields are widely used, and alternative product there is no to occur so far.Printing industry packaging material kind is more next at present
More, although being packed for the fast development of electrochemical aluminum paint technology, production efficiency improves, present electrification
Aluminium paint is mainly formulated unreasonable, and preparation process is not mature enough, and product quality is caused to be unable to get guarantee, and fractions
Very harmful to human body, the electrochemical aluminum paint produced is not able to satisfy the needs of the prior art, therefore, how to cope with current production
To worker, to the pollution problem of environment in operation, process velocity and production efficiency are improved, is that industry is urgently to be resolved asks for printing
Topic.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provides a kind of electrochemical aluminum paint and its production technology, with solution
Certainly problems of the prior art.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of electrochemical aluminum paint, the composition of the electrochemical aluminum paint include: in parts by weight 50-60 parts of flexible polyurethane resin,
30-40 parts of acrylic resin, 10-20 parts of melamine resin, 5-9 parts of chlorinated paraffin, 4-6 parts of auxiliary agent, 80-90 parts of solvent and
2-3 parts of nano silica.
As an improvement of the present invention, the solvent is one or more of ethyl acetate, toluene, butanone.
As an improvement of the present invention, the auxiliary agent be levelling agent, defoaming agent, binder combination, the levelling agent,
Defoaming agent, binder combination mass ratio be 3:1:7.
As an improvement of the present invention, the levelling agent is one of modified polyorganosiloxane, acrylate copolymer
Or it is several.
As an improvement of the present invention, the defoaming agent is modified organic silicon defoaming agent, organically-modified polysiloxanes
One or more of.
As an improvement of the present invention, the composition of described adhesive includes: acrylic resin 30-35 in parts by weight
Part, 20-25 parts of polyurethane, 8-13 parts of crosslinking agent, 6-13 parts of cosolvent, 40-50 parts of water and 2-4 parts of silicone oil.
As an improvement of the present invention, the crosslinking agent is one or more of amino resins, aluminium acetylacetonate.
As an improvement of the present invention, the cosolvent is the mixture of methanol, propylene glycol, isopropanol；The methanol,
Propylene glycol, isopropanol mass ratio be 2:5:8.
As an improvement of the present invention, the production technology of described adhesive is as follows:
(1) acrylic resin, polyurethane, crosslinking agent, cosolvent, water and silicone oil are weighed by formula；
(2) acrylic resin, polyurethane, 1/2 water are put into reaction kettle, is heated to 30-35 DEG C under normal pressure and is stirred
After 20-25 minutes, after being warming up to 60-70 DEG C and stirring 10-15 minutes；
(3) silicone oil is added into reaction kettle, stirs 30- after mixture is warming up to 60-70 DEG C with the heating rate of 10 DEG C/min
40 minutes；
(4) after mixture being cooled to 40-45 DEG C with the cooling rate of 8 DEG C/min, 1/2 water is added, stirs 2-3 hours；
(5) crosslinking agent, cosolvent are added into mixture, mixture is warming up to 60-65 DEG C with the heating rate of 2 DEG C/min
Afterwards, and it is stirred mixture 1-2 hours；
(6) mixture is slowly stirred and feed liquid is made to naturally cool to 20-25 DEG C, electrochemical aluminum paint can be obtained.
As an improvement of the present invention, the production technology of a kind of electrochemical aluminum paint, it is described the preparation method is as follows:
(1) by formula weigh flexible polyurethane resin, acrylic resin, melamine resin, chlorinated paraffin, auxiliary agent, solvent with
And nano silica；
(2) acrylic resin is put into reaction kettle, be heated under normal pressure 45-55 DEG C be stirred 20-25 minutes after, rise
1/4 solvent is added to 60-70 DEG C and after stirring 10-15 minutes in temperature, and continues stirring 20-40 minutes；
(3) mixture after step (2) reaction is poured into mold, and stopped after mixture surface is heated to 120-130 DEG C
It only heats, and stands 5-10 minutes；
(4) after nano silica, auxiliary agent, 1/4 solvent being stirred 20-25 minutes at 50-60 DEG C, chlorinated paraffin is added simultaneously
Reaction 18-20 minutes is carried out at 50-60 DEG C；
(5) by step (4) reaction after mixed liquor be put into high pressure injection apparatus, and to by step (3) react after table
It is sprayed in face；
(6) mixture after step (5) reaction is put into drying unit, and dries mixture at 50-70 DEG C
After 15-20 minutes, mixture is cooled to 20-30 DEG C；
(7) it after being mixed flexible polyurethane resin, melamine resin, 1/4 solvent, and is condensed at 55-58 DEG C
After reflux 50-60 minutes, the mixture by step (6) reaction is added, and carries out being condensed back 40-50 points at 65-70 DEG C
1/4 solvent is added in clock, and carries out being condensed back 50-60 minutes at 80-90 DEG C；
(8) mixture after step (7) reaction is put into reaction kettle, is slowly stirred and feed liquid is made to naturally cool to 20-25
DEG C, electrochemical aluminum paint can be obtained.
Due to using the above technology, the present invention compared with the prior art, is had the advantage that as follows:
The invention discloses a kind of electrochemical aluminum paint and its production technologies, the present invention is directed to different by components in coating compositions,
Improve the coating there are upper boiling hot property in production that poor, viscosity is poor, wearability is poor, causes molding rejection rate higher
Defect, the present invention be the upper boiling hot property that can effectively improve electrochemical aluminum paint, cutting property, adhesive force, fissility, wearability, mention
The yield rate of high anodized aluminium production, improves production efficiency, achieves order in terms of saving material and the energy and reducing
The satisfied effect of people, coating of the present invention can guarantee the stability of production and the service performance of product, and can bring for company bigger
Economic benefit；The electrochemical aluminum paint of the method production through the invention, whole process is without exhaust gas, discharging of waste liquid, also without byproduct
It generates, yield is up to 99.8% or more.
Specific embodiment
With reference to embodiment, the present invention is furture elucidated.
Embodiment 1:
A kind of electrochemical aluminum paint, the composition of the electrochemical aluminum paint include: 50 parts of flexible polyurethane resin, propylene in parts by weight
40 parts of acid resin, 10 parts of melamine resin, 9 parts of chlorinated paraffin, 4 parts of auxiliary agent, 90 parts of solvent and 2 parts of nano silica.
The solvent is one or more of ethyl acetate, toluene, butanone.
The auxiliary agent is levelling agent, defoaming agent, binder combination, the levelling agent, defoaming agent, binder combination
Mass ratio is 3:1:7.
The levelling agent is one or more of modified polyorganosiloxane, acrylate copolymer.
The defoaming agent is one or more of modified organic silicon defoaming agent, organically-modified polysiloxanes.
A kind of production technology of electrochemical aluminum paint, it is described the preparation method is as follows:
(1) by formula weigh flexible polyurethane resin, acrylic resin, melamine resin, chlorinated paraffin, auxiliary agent, solvent with
And nano silica；
(2) acrylic resin is put into reaction kettle, is heated to 55 DEG C under normal pressure and is stirred after twenty minutes, is warming up to 70
DEG C and stir after ten minutes, be added 1/4 solvent, and continue stirring 40 minutes；
(3) mixture after step (2) reaction is poured into mold, and stops adding after mixture surface is heated to 120 DEG C
Heat, and stand 10 minutes；
(4) by nano silica, auxiliary agent, 1/4 solvent after 50 DEG C are stirred 25 minutes, chlorinated paraffin is added and at 50 DEG C
Carry out reaction 20 minutes；
(5) by step (4) reaction after mixed liquor be put into high pressure injection apparatus, and to by step (3) react after table
It is sprayed in face；
(6) mixture after step (5) reaction is put into drying unit, and mixture is made to carry out drying 15- at 50 DEG C
After twenty minutes, mixture is cooled to 30 DEG C；
(7) it after being mixed flexible polyurethane resin, melamine resin, 1/4 solvent, and is condensed back at 55 DEG C
After sixty minutes, the mixture by step (6) reaction is added, and carries out being condensed back 50 minutes at 65 DEG C, it is molten to be added 1/4
Agent, and carry out being condensed back 60 minutes at 80 DEG C；
(8) mixture after step (7) reaction is put into reaction kettle, is slowly stirred and feed liquid is made to naturally cool to 20 DEG C,
Electrochemical aluminum paint can be obtained.
Embodiment 2:
A kind of electrochemical aluminum paint, the composition of the electrochemical aluminum paint include: 60 parts of flexible polyurethane resin, propylene in parts by weight
30 parts of acid resin, 20 parts of melamine resin, 5 parts of chlorinated paraffin, 6 parts of auxiliary agent, 80 parts of solvent and 3 parts of nano silica.
The solvent is one or more of ethyl acetate, toluene, butanone.
The auxiliary agent is levelling agent, defoaming agent, binder combination, the levelling agent, defoaming agent, binder combination
Mass ratio is 3:1:7.
The levelling agent is one or more of modified polyorganosiloxane, acrylate copolymer.
The defoaming agent is one or more of modified organic silicon defoaming agent, organically-modified polysiloxanes.
A kind of production technology of electrochemical aluminum paint, it is described the preparation method is as follows:
(1) by formula weigh flexible polyurethane resin, acrylic resin, melamine resin, chlorinated paraffin, auxiliary agent, solvent with
And nano silica；
(2) acrylic resin is put into reaction kettle, be heated under normal pressure 45 DEG C be stirred 25 minutes after, be warming up to 60
DEG C and stir 15 minutes after, be added 1/4 solvent, and continue stirring 20 minutes；
(3) mixture after step (2) reaction is poured into mold, and stops adding after mixture surface is heated to 130 DEG C
Heat, and stand 5 minutes；
(4) nano silica, auxiliary agent, 1/4 solvent are stirred after twenty minutes at 60 DEG C, chlorinated paraffin are added and at 60 DEG C
Carry out reaction 18 minutes；
(5) by step (4) reaction after mixed liquor be put into high pressure injection apparatus, and to by step (3) react after table
It is sprayed in face；
(6) mixture after step (5) reaction is put into drying unit, and mixture is made to carry out drying 15- at 70 DEG C
After twenty minutes, mixture is cooled to 20 DEG C；
(7) it after being mixed flexible polyurethane resin, melamine resin, 1/4 solvent, and is condensed back at 58 DEG C
After 50 minutes, the mixture by step (6) reaction is added, and carries out being condensed back 40 minutes at 70 DEG C, it is molten to be added 1/4
Agent, and carry out being condensed back 50 minutes at 90 DEG C；
(8) mixture after step (7) reaction is put into reaction kettle, is slowly stirred and feed liquid is made to naturally cool to 25 DEG C,
Electrochemical aluminum paint can be obtained.
Embodiment 3:
A kind of electrochemical aluminum paint, the composition of the electrochemical aluminum paint include: 55 parts of flexible polyurethane resin, propylene in parts by weight
36 parts of acid resin, 13 parts of melamine resin, 8 parts of chlorinated paraffin, 4 parts of auxiliary agent, 80 parts of solvent and 2 parts of nano silica.
The solvent is one or more of ethyl acetate, toluene, butanone.
The auxiliary agent is levelling agent, defoaming agent, binder combination, the levelling agent, defoaming agent, binder combination
Mass ratio is 3:1:7.
The levelling agent is one or more of modified polyorganosiloxane, acrylate copolymer.
The defoaming agent is one or more of modified organic silicon defoaming agent, organically-modified polysiloxanes.
A kind of production technology of electrochemical aluminum paint, it is described the preparation method is as follows:
(1) by formula weigh flexible polyurethane resin, acrylic resin, melamine resin, chlorinated paraffin, auxiliary agent, solvent with
And nano silica；
(2) acrylic resin is put into reaction kettle, be heated under normal pressure 48 DEG C be stirred 23 minutes after, be warming up to 65
DEG C and stir 13 minutes after, be added 1/4 solvent, and continue stirring 25 minutes；
(3) mixture after step (2) reaction is poured into mold, and stops adding after mixture surface is heated to 128 DEG C
Heat, and stand 9 minutes；
(4) by nano silica, auxiliary agent, 1/4 solvent after 53 DEG C are stirred 24 minutes, chlorinated paraffin is added and at 55 DEG C
Carry out reaction 18 minutes；
(5) by step (4) reaction after mixed liquor be put into high pressure injection apparatus, and to by step (3) react after table
It is sprayed in face；
(6) mixture after step (5) reaction is put into drying unit, and mixture is made to carry out 15 points of drying at 50 DEG C
Mixture is cooled to 30 DEG C by Zhong Hou；
(7) it after being mixed flexible polyurethane resin, melamine resin, 1/4 solvent, and is condensed back at 55 DEG C
After sixty minutes, the mixture by step (6) reaction is added, and carries out being condensed back 50 minutes at 65 DEG C, it is molten to be added 1/4
Agent, and carry out being condensed back 60 minutes at 80 DEG C；
(8) mixture after step (7) reaction is put into reaction kettle, is slowly stirred and feed liquid is made to naturally cool to 20 DEG C,
Electrochemical aluminum paint can be obtained.
Embodiment 4:
The production technology of 1 adhesive of embodiment is as follows:
(1) 35 parts of acrylic resin, 20 parts of polyurethane, 13 parts of crosslinking agent, 6 parts of cosolvent, 50 parts of water and silicon are weighed by formula
2 parts of oil；
(2) acrylic resin, polyurethane, 1/2 water are put into reaction kettle, is heated to 35 DEG C under normal pressure and is stirred 20 points
Zhong Hou is warming up to 70 DEG C and stirs after ten minutes；
(3) silicone oil is added into reaction kettle, is stirred 30 minutes after mixture is warming up to 70 DEG C with the heating rate of 10 DEG C/min；
(4) after mixture being cooled to 45 DEG C with the cooling rate of 8 DEG C/min, 1/2 water is added, stirs 2 hours；
(5) crosslinking agent, cosolvent are added into mixture, after mixture is warming up to 65 DEG C with the heating rate of 2 DEG C/min, and
It is stirred mixture 1 hour；
(6) mixture is slowly stirred and feed liquid is made to naturally cool to 25 DEG C, electrochemical aluminum paint can be obtained.
The crosslinking agent is one or more of amino resins, aluminium acetylacetonate.
The cosolvent is the mixture of methanol, propylene glycol, isopropanol；The methanol, propylene glycol, isopropanol mass ratio
For 2:5:8.
Embodiment 5:
The production technology of adhesive is as follows in the embodiment 2:
(1) 30 parts of acrylic resin, 25 parts of polyurethane, 8 parts of crosslinking agent, 13 parts of cosolvent, 40 parts of water and silicon are weighed by formula
4 parts of oil；
(2) acrylic resin, polyurethane, 1/2 water are put into reaction kettle, is heated to 30 DEG C under normal pressure and is stirred 25 points
Zhong Hou, after being warming up to 60 DEG C and stirring 15 minutes；
(3) silicone oil is added into reaction kettle, is stirred 40 minutes after mixture is warming up to 60 DEG C with the heating rate of 10 DEG C/min；
(4) after mixture being cooled to 40 DEG C with the cooling rate of 8 DEG C/min, 1/2 water is added, stirs 3 hours；
(5) crosslinking agent, cosolvent are added into mixture, after mixture is warming up to 60 DEG C with the heating rate of 2 DEG C/min, and
It is stirred mixture 2 hours；
(6) mixture is slowly stirred and feed liquid is made to naturally cool to 20 DEG C, electrochemical aluminum paint can be obtained.
The crosslinking agent is one or more of amino resins, aluminium acetylacetonate.
The cosolvent is the mixture of methanol, propylene glycol, isopropanol；The methanol, propylene glycol, isopropanol mass ratio
For 2:5:8.
Embodiment 6:
The production technology of adhesive is as follows in the embodiment 3:
(1) 33 parts of acrylic resin, 24 parts of polyurethane, 10 parts of crosslinking agent, 7 parts of cosolvent, 48 parts of water and silicon are weighed by formula
3 parts of oil；
(2) acrylic resin, polyurethane, 1/2 water are put into reaction kettle, is heated to 30 DEG C under normal pressure and is stirred 25 points
Zhong Hou, after being warming up to 60 DEG C and stirring 15 minutes；
(3) silicone oil is added into reaction kettle, is stirred 35 minutes after mixture is warming up to 65 DEG C with the heating rate of 10 DEG C/min；
(4) after mixture being cooled to 43 DEG C with the cooling rate of 8 DEG C/min, 1/2 water is added, stirs 2 hours；
(5) crosslinking agent, cosolvent are added into mixture, after mixture is warming up to 63 DEG C with the heating rate of 2 DEG C/min, and
It is stirred mixture 1 hour；
(6) mixture is slowly stirred and feed liquid is made to naturally cool to 24 DEG C, electrochemical aluminum paint can be obtained.
The crosslinking agent is one or more of amino resins, aluminium acetylacetonate.
The cosolvent is the mixture of methanol, propylene glycol, isopropanol；The methanol, propylene glycol, isopropanol mass ratio
For 2:5:8.
The performance of anodized aluminium made of the electrochemical aluminum paint described in embodiment 1-3 detects, as a result as shown in the table:
The result of 1 performance detection of table
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Moldability | It is molded bright real 150 DEG C of < of temperature, molding brightness is high | It is molded bright real 150 DEG C of < of temperature, molding brightness is high | It is molded bright real 150 DEG C of < of temperature, molding brightness is high |
| Thermoprint speed | Greater than 6000/hour | Greater than 6000/hour | Greater than 6000/hour |
| Hot stamping effects | The cleaning of thermoprint font, cutting performance is good, and brightness is high | The cleaning of thermoprint font, cutting performance is good, and brightness is high | The cleaning of thermoprint font, cutting performance is good, and brightness is high |
Above-described embodiment is only the preferred technical solution of the present invention, and is not construed as limitation of the invention, guarantor of the invention
The technical solution that range should be recorded with claim is protected, being equal for technical characteristic replaces in the technical solution recorded including claim
Changing scheme is protection scope, i.e., equivalent replacement within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of electrochemical aluminum paint, which is characterized in that the composition of the electrochemical aluminum paint includes: elastic polyurethane in parts by weight
It is 50-60 parts of resin, 30-40 parts of acrylic resin, 10-20 parts of melamine resin, 5-9 parts of chlorinated paraffin, 4-6 parts of auxiliary agent, molten
80-90 parts of agent and 2-3 parts of nano silica.
2. a kind of electrochemical aluminum paint according to claim 1, it is characterised in that: the solvent is ethyl acetate, toluene, fourth
One or more of ketone.
3. a kind of electrochemical aluminum paint according to claim 1, it is characterised in that: the auxiliary agent is levelling agent, defoaming agent, glues
Cocktail mix, the levelling agent, defoaming agent, binder combination mass ratio be 3:1:7.
4. a kind of electrochemical aluminum paint according to claim 3, it is characterised in that: the levelling agent be modified polyorganosiloxane,
One or more of acrylate copolymer.
5. a kind of electrochemical aluminum paint according to claim 3, it is characterised in that: the defoaming agent is modified organic silicon defoaming
One or more of agent, organically-modified polysiloxanes.
6. a kind of electrochemical aluminum paint according to claim 3, it is characterised in that: the composition of described adhesive is in parts by weight
Include: 30-35 parts of acrylic resin, 20-25 parts of polyurethane, 8-13 parts of crosslinking agent, 6-13 parts of cosolvent, 40-50 parts of water and
2-4 parts of silicone oil.
7. a kind of electrochemical aluminum paint according to claim 6, it is characterised in that: the crosslinking agent is amino resins, acetyl
One or more of acetone aluminium.
8. a kind of electrochemical aluminum paint according to claim 6, it is characterised in that: the cosolvent is methanol, propylene glycol, different
The mixture of propyl alcohol；The methanol, propylene glycol, isopropanol mass ratio be 2:5:8.
9. a kind of electrochemical aluminum paint according to claim 6, it is characterised in that: the production technology of described adhesive is as follows:
(1) acrylic resin, polyurethane, crosslinking agent, cosolvent, water and silicone oil are weighed by formula；
(2) acrylic resin, polyurethane, 1/2 water are put into reaction kettle, is heated to 30-35 DEG C under normal pressure and is stirred
After 20-25 minutes, after being warming up to 60-70 DEG C and stirring 10-15 minutes；
(3) silicone oil is added into reaction kettle, stirs 30- after mixture is warming up to 60-70 DEG C with the heating rate of 10 DEG C/min
40 minutes；
(4) after mixture being cooled to 40-45 DEG C with the cooling rate of 8 DEG C/min, 1/2 water is added, stirs 2-3 hours；
(5) crosslinking agent, cosolvent are added into mixture, mixture is warming up to 60-65 DEG C with the heating rate of 2 DEG C/min
Afterwards, and it is stirred mixture 1-2 hours；
(6) mixture is slowly stirred and feed liquid is made to naturally cool to 20-25 DEG C, electrochemical aluminum paint can be obtained.
10. a kind of prepare a kind of production technology of electrochemical aluminum paint as described in claim 1-9, which is characterized in that the preparation
Method is as follows:
(1) by formula weigh flexible polyurethane resin, acrylic resin, melamine resin, chlorinated paraffin, auxiliary agent, solvent with
And nano silica；
(2) acrylic resin is put into reaction kettle, be heated under normal pressure 45-55 DEG C be stirred 20-25 minutes after, rise
1/4 solvent is added to 60-70 DEG C and after stirring 10-15 minutes in temperature, and continues stirring 20-40 minutes；
(3) mixture after step (2) reaction is poured into mold, and stopped after mixture surface is heated to 120-130 DEG C
It only heats, and stands 5-10 minutes；
(4) after nano silica, auxiliary agent, 1/4 solvent being stirred 20-25 minutes at 50-60 DEG C, chlorinated paraffin is added simultaneously
Reaction 18-20 minutes is carried out at 50-60 DEG C；
(5) by step (4) reaction after mixed liquor be put into high pressure injection apparatus, and to by step (3) react after table
It is sprayed in face；
(6) mixture after step (5) reaction is put into drying unit, and dries mixture at 50-70 DEG C
After 15-20 minutes, mixture is cooled to 20-30 DEG C；
(7) it after being mixed flexible polyurethane resin, melamine resin, 1/4 solvent, and is condensed at 55-58 DEG C
After reflux 50-60 minutes, the mixture by step (6) reaction is added, and carries out being condensed back 40-50 points at 65-70 DEG C
1/4 solvent is added in clock, and carries out being condensed back 50-60 minutes at 80-90 DEG C；
(8) mixture after step (7) reaction is put into reaction kettle, is slowly stirred and feed liquid is made to naturally cool to 20-25
DEG C, electrochemical aluminum paint can be obtained.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116001468A (en) * | 2022-12-03 | 2023-04-25 | 佛山市金镭科技有限公司 | Production process of wear-resistant laser electrochemical aluminum |
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