CN109181439A - A kind of low-VOC aqueous dip painting and preparation method thereof - Google Patents
A kind of low-VOC aqueous dip painting and preparation method thereof Download PDFInfo
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- CN109181439A CN109181439A CN201810607839.XA CN201810607839A CN109181439A CN 109181439 A CN109181439 A CN 109181439A CN 201810607839 A CN201810607839 A CN 201810607839A CN 109181439 A CN109181439 A CN 109181439A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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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
- C09D7/43—Thickening agents
- C09D7/44—Combinations of two or more thickening agents
-
- 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
- C09D7/47—Levelling agents
-
- 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
- C09D7/60—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
- 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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
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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 discloses a kind of low-VOC aqueous dip painting, the component including following parts by weight: 60-80 parts of aqueous acrylic emulsion, 8-12 parts of deionized water, 0.5-0.9 parts of solvent, 0.3-0.7 parts of neutralizer, 0.6-1.0 parts of dispersing agent, 0.1-0.3 parts of defoaming agent, 2-3 parts of coalescing agent, 0.05-0.15 parts of fungicide, 4-6 parts of pigment, 0.4-0.8 parts of anti-flash rusting agent, 0.3-0.7 parts of moistening flatting agent, it is thixotropic agent 2-4 parts dust-proof, 2-4 parts of thickener.Preparation method is also disclosed.Low-VOC aqueous dip painting of the invention solves the problems such as existing aqueous dip-coating paint is frequently accompanied by poor stream pendant, covering power, poor adhesive force in the construction process.
Description
Technical field
The present invention relates to a kind of preparation methods of single waterborne dip paint, are suitable for petrochemical equipment, and door and window, warms up at fence
Gas piece, automobile chassis, agricultural vehicle components chain, pipeline and its various complicated cast iron and cast steel parts etc., metallic facility table
The corrosion-proof coating in face.
Background technique
As section does not promote for the process of industrialization, urbanization, environmental issue also had been to be concerned by more and more people.And it is traditional
Paint denounced because of its higher VOC, so a kind of water of environmentally protective, the low VOC emission amount using water as solvent
Property coating has been favored by people.
Traditional construction method has spraying, roller coating, dip-coating etc..But certain mechanical parts are limited by answering for its contour structures
Miscellaneous, there are more corner angle can not carry out spraying and roller coating, can only use the form of construction work (such as chain, pipeline etc.) of dip-coating.
So a kind of invention of low-VOC aqueous primer dipping and coating just seems particularly important.The present invention is with having excellent corrosion resistance, resistance to
The performance of chemicals, acid and alkali-resistance, the good richness of adhesive force is high, excellent storage stability and construction stability.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of preparation method of low-VOC aqueous dip painting,
To solve existing aqueous dip-coating paint it is frequently accompanied by stream pendant, poor, poor adhesive force of covering power etc. in the construction process but disadvantage is asked
Topic.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of low-VOC aqueous dip painting, the component including following parts by weight: 60-80 parts of aqueous acrylic emulsion, deionization
8-12 parts of water, 0.5-0.9 parts of solvent, 0.3-0.7 parts of neutralizer, 0.6-1.0 parts of dispersing agent, 0.1-0.3 parts of defoaming agent, film forming help
2-3 parts of agent, 4-6 parts of pigment, 0.4-0.8 parts of anti-flash rusting agent, 0.3-0.7 parts of moistening flatting agent, is prevented 0.05-0.15 parts of fungicide
2-4 parts of dirt thixotropic agent, 2-4 parts of thickener.
Further, the component including following parts by weight: 70 parts of aqueous acrylic emulsion, 10 parts of deionized water, solvent 0.7
Part, is prevented 0.5 part of neutralizer, 0.8 part of dispersing agent, 0.2 part of defoaming agent, 2.5 parts of coalescing agent, 0.1 part of fungicide, 5.1 parts of pigment
0.6 part of flash rusting agent, 0.5 part of moistening flatting agent, 3 parts of dust-proof thixotropic agent, 3 parts of thickener.
Further, the aqueous acrylic emulsion volatility is low with toxicity, solidification hardness is higher.
Further, the solvent is ethylene glycol.
Further, the neutralizer is dimethylethanolamine (DMEA), is a kind of efficient amine neutralizer, can be used as pH
The efficiency such as value adjustment, stable and secondary solvent.
Further, the dispersing agent is Efka EFKA-4560, can stable inorganic pigment, organic pigment and carbon black
Macromolecule dispersing agent can prevent floating, improve the performances such as gloss.
Further, the defoaming agent is Bi Ke BYK028 and F111, according to 1；1 mixing.
Further, the coalescing agent is alcohol ester 12, has preferable hydrolytic stability, no insoluble matter.
Further, the fungicide is K9N, is fungicide in a kind of wide spectrum tank, can avoid water-based system due to bacterium,
It degrades caused by fungi and yeast and rotten.
Further, the pigment is MA100 (0.1), is the black organic pigment of a kind of good dispersion, strong coloring force.
Further, the pigment is iron black (5), has the blue phase ash coloured light of saturation, covering power and tinting strength, tinting power are very
Height, fast light, alkali resistance is good, no pollution to the environment.
Further, the anti-flash rusting agent is the mixed solution of sodium nitrite and water by the proportion of 15:85.
Further, the moistening flatting agent is BYK-346.
Further, the dust-proof thixotropic agent is organobentonite (mass fraction 3%, prepared with water).
Further, the thickener is PS202 and AP660, is mixed according to 1:1.
The preparation method of low-VOC aqueous dip painting:
Step a first kills 70% deionized water, 50% neutralizer, and whole solvents, dispersing agent, defoaming agent
Microbial inoculum is added in agitated kettle, then sequentially adds pigment until being uniformly mixed with the stirring of 600-700r/min rate, with
700-900r/min rate continues to stir, and anti-settling thixotropic agent is added after about 5-10min, continues to stir with former rate equal to mixing
It is even, obtain mixed liquor；
Step b grinds mixed liquor obtained by step a, until fineness≤20 μm, obtain slurry early period with 200 mesh filter-cloth filterings；
Aqueous acrylic emulsion is added in agitated kettle with the stirring of 600-700r/min rate, is then added remaining by step c
Neutralizer, deionized water and coalescing agent, anti-flash rusting agent and moistening flatting agent, continue with 600-700r/min rate
5-10min is stirred, slurry early period obtained by step b is then added, continues that thickener, adjustment viscosity to 50- is added after stirring 5-10min
(25 ± 1 DEG C) of 60s obtain finished product.
Compared with prior art, advantageous effects of the invention:
1. selecting aqueous acrylic emulsion, VOC≤85g/L, and rate of drying is fast, smell is very low, is conducive to environment
Protection；
2. selecting pigment MA100 and iron oxide black, covering power can be improved, improve adhesive force；
3. selecting the BYK-346 of BYK, it can make coating that there is better levelling effect and wetting effect；
4. selecting thickener PS202 and AP660 (1:1), help to improve its thixotropy, it is made to be easier to levelling and reduces stream
Fall phenomenon.
Specific embodiment
Embodiment 1
Each embodiment is as follows:
| Component | Embodiment 1 (parts by weight) | Embodiment 2 (parts by weight) | Embodiment 3 (parts by weight) |
| Aqueous acrylic emulsion | 60 | 70 | 80 |
| Deionized water | 12 | 10 | 8 |
| Ethylene glycol | 0.7 | 0.7 | 0.7 |
| Dimethylethanolamine | 0.5 | 0.5 | 0.5 |
| 4560 | 1 | 1 | 1 |
| BYK028 | 0.05 | 0.075 | 0.1 |
| F111 | 0.1 | 0.1 | 0.1 |
| Alcohol ester 12 | 2.5 | 3 | 3.5 |
| K9N | 0.1 | 0.1 | 0.1 |
| MA100(0.1) | 0.1 | 0.1 | 0.1 |
| Iron black (5) | 5 | 5 | 5 |
| Sodium nitrite 15% | 2 | 3 | 4 |
| BYK346 | 0.3 | 0.4 | 0.5 |
| EW3% | 5 | 5 | 5 |
| PS202 | 0.5 | 0.5 | 0.5 |
| AP660 (1:1) | 0.5 | 0.5 | 0.5 |
Wherein: the aqueous acrylic emulsion volatility is low with toxicity, solidification hardness is higher.The solvent is ethylene glycol.
The neutralizer is dimethylethanolamine (DMEA), is a kind of efficient amine neutralizer, can be used as pH value adjustment, stablizes and assist
The efficiency such as solvent.The dispersing agent is Efka EFKA-4560, the macromolecule of energy stable inorganic pigment, organic pigment and carbon black
Dispersing agent can prevent floating, improve the performances such as gloss.The defoaming agent is Bi Ke BYK028 and F111, according to 1；1 is mixed
It closes.The coalescing agent is alcohol ester 12, has preferable hydrolytic stability, no insoluble matter.The fungicide is K9N, is a kind of
Fungicide in wide spectrum tank can avoid water-based system and be degraded and be gone bad due to caused by bacterium, fungi and yeast.The pigment is
MA100 (0.1) and iron black (5), MA100 (0.1) are the black organic pigment of a kind of good dispersion, strong coloring force, iron black (5) tool
There is the blue phase ash coloured light of saturation, covering power and tinting strength, tinting power are very high, and fast light, alkali resistance is good, no pollution to the environment, and the two is respectively
0.1 part and 5 parts.The anti-flash rusting agent is the mixed solution of sodium nitrite and water by the proportion of 15:85.The moistening flatting agent is
BYK-346.The dust-proof thixotropic agent is organobentonite (mass fraction 3%, prepared with water).The thickener is PS202
And AP660, it is mixed according to 1:1.
Preparation method is as follows:
Step a first kills 70% deionized water, 50% neutralizer, and whole solvents, dispersing agent, defoaming agent
Microbial inoculum is added in agitated kettle, then sequentially adds MA100 (0.1) until being uniformly mixed with the stirring of 600-700r/min rate
With iron black (5), continue to stir with 700-900r/min rate, anti-settling thixotropic agent is added after about 5-10min, continuation is stirred with former rate
It mixes to being uniformly mixed, obtains mixed liquor；
Step b grinds mixed liquor obtained by step a, until fineness≤20 μm, obtain slurry early period with 200 mesh filter-cloth filterings；
Aqueous acrylic emulsion is added in agitated kettle with the stirring of 600-700r/min rate, is then added remaining by step c
Neutralizer, deionized water and coalescing agent, anti-flash rusting agent and moistening flatting agent, continue with 600-700r/min rate
5-10min is stirred, slurry early period obtained by step b is then added, continues that thickener, adjustment viscosity to 50- is added after stirring 5-10min
(25 ± 1 DEG C) of 60s obtain finished product.
Table 1 is the embodiment of the present invention test result:
Table 1
Experiments verify that discovery thickener PS202 and AP660 (1:1) must the addition of 1:1 in mass ratio, for best addition ratio
Example, helps to improve its thixotropy, so that it is easier to levelling and reduces stream pendant phenomenon, and select other thickeners to its thixotropy and
There is influence in water-fast and salt fog performance.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention
It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention
Various changes and improvements, should all fall into claims of the present invention determine protection scope in.
Claims (10)
1. a kind of low-VOC aqueous dip painting, which is characterized in that the component including following parts by weight: aqueous acrylic emulsion 60-80
Part, 8-12 parts of deionized water, 0.5-0.9 parts of solvent, 0.3-0.7 parts of neutralizer, 0.6-1.0 parts of dispersing agent, defoaming agent 0.1-0.3
Part, 2-3 parts of coalescing agent, 0.05-0.15 parts of fungicide, 4-6 parts of pigment, 0.4-0.8 parts of anti-flash rusting agent, moistening flatting agent 0.3-
0.7 part, it is thixotropic agent 2-4 parts dust-proof, 2-4 parts of thickener.
2. low-VOC aqueous dip painting according to claim 1, which is characterized in that the component including following parts by weight: aqueous
70 parts of acrylic emulsion, 10 parts of deionized water, 0.7 part of solvent, 0.5 part of neutralizer, 0.8 part of dispersing agent, 0.2 part of defoaming agent, at
2.5 parts of film auxiliary agent, 0.1 part of fungicide, 5.1 parts of pigment, 0.6 part of anti-flash rusting agent, 0.5 part of moistening flatting agent, dust-proof thixotropic agent 3
Part, 3 parts of thickener.
3. low-VOC aqueous dip painting according to claim 1, which is characterized in that the solvent is ethylene glycol, the neutralization
Agent is dimethylethanolamine.
4. low-VOC aqueous dip painting according to claim 1, which is characterized in that, the moistening flatting agent is BYK-346.
5. low-VOC aqueous dip painting according to claim 1, which is characterized in that the dispersing agent is Efka EFKA-
4560, the defoaming agent is the mixture foam killer that Bi Ke BYK028 and F111 press 1:1 mixing.
6. the preparation method of low-VOC aqueous dip painting according to claim 1, which is characterized in that the coalescing agent is
Alcohol ester 12, the fungicide are K9N.
7. low-VOC aqueous dip painting according to claim 1, which is characterized in that the thickener is PS202 and AP660
By the mixture of 1:1.
8. low-VOC aqueous dip painting according to claim 1, which is characterized in that the anti-flash rusting agent be sodium nitrite with
Water presses the mixed solution of the proportion of 15:85.
9. low-VOC aqueous dip painting according to claim 1, which is characterized in that the pigment is MA100 and/or iron oxide black.
10. a kind of preparation method of waterborne dip paint, which comprises the steps of:
Step a, first by 70% deionized water, 50% neutralizer, and whole solvents, dispersing agent, defoaming agent fungicide
It is added in agitated kettle, then pigment is sequentially added, until being uniformly mixed with 700- with the stirring of 600-700r/min rate
900r/min rate continues to stir, and anti-settling thixotropic agent is added after about 5-10min, continues to be stirred with former rate to being uniformly mixed, obtain
To mixed liquor；
Step b grinds mixed liquor obtained by step a, until fineness≤20 μm, obtain slurry early period with 200 mesh filter-cloth filterings；
Aqueous acrylic emulsion is added in agitated kettle with the stirring of 600-700r/min rate, is then added in remaining by step c
With agent, deionized water and coalescing agent, anti-flash rusting agent and moistening flatting agent, continue to stir 5- with 600-700r/min rate
Then slurry early period obtained by step b is added in 10min, continue to be added thickener after stirring 5-10min, adjustment viscosity to it is qualified at
Product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810607839.XA CN109181439A (en) | 2018-06-13 | 2018-06-13 | A kind of low-VOC aqueous dip painting and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810607839.XA CN109181439A (en) | 2018-06-13 | 2018-06-13 | A kind of low-VOC aqueous dip painting and preparation method thereof |
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ID=64948611
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028857A (en) * | 2019-04-09 | 2019-07-19 | 河北晨阳工贸集团有限公司 | A kind of one-component high adhesion force environmental protection sealing wax and preparation method thereof |
| CN110041772A (en) * | 2019-03-14 | 2019-07-23 | 河北晨阳工贸集团有限公司 | A kind of container water paint special and preparation method thereof |
| CN111454624A (en) * | 2019-12-31 | 2020-07-28 | 石家庄市油漆厂 | Water-based industrial dip-coating paint and preparation process thereof |
| CN112522717A (en) * | 2019-09-19 | 2021-03-19 | 广东三和化工科技有限公司 | Aerosol rust-turning spray and preparation method thereof |
| CN114213917A (en) * | 2021-12-25 | 2022-03-22 | 衡水新光新材料科技有限公司 | Environment-friendly water-based dip-coating paint and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112522717A (en) * | 2019-09-19 | 2021-03-19 | 广东三和化工科技有限公司 | Aerosol rust-turning spray and preparation method thereof |
| CN111454624A (en) * | 2019-12-31 | 2020-07-28 | 石家庄市油漆厂 | Water-based industrial dip-coating paint and preparation process thereof |
| CN114213917A (en) * | 2021-12-25 | 2022-03-22 | 衡水新光新材料科技有限公司 | Environment-friendly water-based dip-coating paint and preparation method thereof |
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Application publication date: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |