CN109880417A - Watersoluble metal self-drying paint and preparation method thereof - Google Patents
Watersoluble metal self-drying paint and preparation method thereof Download PDFInfo
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- CN109880417A CN109880417A CN201910080831.7A CN201910080831A CN109880417A CN 109880417 A CN109880417 A CN 109880417A CN 201910080831 A CN201910080831 A CN 201910080831A CN 109880417 A CN109880417 A CN 109880417A
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Abstract
The invention discloses a kind of watersoluble metal self-drying paints, including formula as below: acrylic emulsion 40-50 parts by weight, aqueous dispersion 0.5-1.5 parts by weight, wetting shrinkage cavity agent 0.1-1.0 parts by weight, BYK aqueous levelling agent 0.1-1.0 parts by weight, coalescing agent 1-11 parts by weight, pigment 25-35 parts by weight, acrylic acid drier 0.1-1.0 parts by weight, adhesion promoter 0.1-1.0 parts by weight, aqueous anti-settling agent 0.5-1.5 parts by weight, thickener 0.1-0.3 parts by weight, remaining is deionized water.The present invention is using above-mentioned watersoluble metal self-drying paint and preparation method thereof, preparation process is simple, self-drying paint has that excellent salt spray resistance, resistance to gasoline, ultraviolet light be ageing-resistant, performance resistant to high temperature, paint film flexibility with super strength, it can directly use simultaneously, without priming paint, and there is the performance of good adhesive force, bloom and quick-drying simultaneously.
Description
Technical field
The present invention relates to self-drying paint technical fields, more particularly, to a kind of watersoluble metal self-drying paint and preparation method thereof.
Background technique
The development of coating has people's physical and mental health with industrialization, the continuous propulsion of urbanization process, environmental quality
More and more important influence, thus environmental quality is receive more and more attention.When metal surface coats existing paint,
Contain VOC in paint, pollutes environment, do not meet world today's energy pattern, injury is caused to the body of people.
To increase metallic substrate surface corrosion resistance, durability, weatherability and decorative effect, generally by metal base
Surface coated polymer paint reaches above-mentioned purpose, when after the self-crosslinking aqueous paint of metal base coating being that can improve its performance
, such as improve mechanical performance, water resistance, salt fog resistance, chemical resistance.Substrate can be protected by above-mentioned improvement, including
Chemical resistance, impact resistance, wear resistence etc..It is currently used be aqueous polymer emulsion and water-soluble polymer they all exist
Following defect, it may be assumed that aqueous polymer emulsion typically contains a large amount of emulsifier, and emulsification is only added in emulsion polymerization process
Agent, resin could disperse in an aqueous medium, but this also brings some side effects to lotion itself, such as: water resistance, salt spray resistance
Property is not good enough, and mechanical stability is poor；Water-soluble polymer, some carboxyl functional group, passes through ammonia in resin synthesis process
Neutralization forms ammonia salt dissolution in an aqueous medium, but some corresponding organic matter and organic volatile solvent (abbreviation VOC) exist, water
VOC content is relatively high in property paint, and general content 20-30% does not meet environmental requirement.Moreover, above two waterborne polymeric is very
It is difficult to achieve the purpose that quick-drying and bloom simultaneously, it is also difficult to achieve the purpose that quick-drying under the effect of same adhesive force, to reach
The purpose of quick-drying needs that quick dry agent is added when in use.For these reasons, it is necessary for designing a kind of watersoluble metal self-drying paint
's.
Summary of the invention
The object of the present invention is to provide a kind of watersoluble metal self-drying paints and preparation method thereof, and preparation process is simple, self-drying paint
With excellent salt spray resistance, resistance to gasoline, ultraviolet light be ageing-resistant, performance resistant to high temperature, paint film flexibility with super strength, simultaneously
It can directly use, be not necessarily to priming paint, and there is the performance of good adhesive force, bloom and quick-drying simultaneously.
To achieve the above object, the present invention provides a kind of watersoluble metal self-drying paints, including formula as below:
Acrylic emulsion 40-50 parts by weight, aqueous dispersion 0.5-1.5 parts by weight, wetting shrinkage cavity agent 0.1-1.0 weight
Part, BYK aqueous levelling agent 0.1-1.0 parts by weight, coalescing agent 1-11 parts by weight, pigment 25-35 parts by weight, acrylic acid drier
0.1-1.0 parts by weight, adhesion promoter 0.1-1.0 parts by weight, aqueous anti-settling agent 0.5-1.5 parts by weight, thickener 0.1-0.3
Parts by weight, remaining is deionized water.
Preferably, acrylic emulsion 42-48 parts by weight, aqueous dispersion 0.7-1.2 parts by weight, wetting shrinkage cavity agent 0.2-
0.8 parts by weight, BYK aqueous levelling agent 0.2-0.8 parts by weight, coalescing agent 2-10 parts by weight, pigment 27-32 parts by weight, propylene
Sour drier 0.2-0.8 parts by weight, adhesion promoter 0.2-0.8 parts by weight, aqueous anti-settling agent 0.6-1.2 parts by weight, thickening
Agent 0.15-0.25 parts by weight, remaining is deionized water
Preferably, the coalescing agent is dipropylene glycol methyl ether and dipropylene, and dipropylene glycol methyl ether and dipropyl
The mass ratio of glycol butyl ether is 1:1.
Preferably, the pigment is titanium dioxide.
Preferably, 45 parts by weight of acrylic emulsion, 1.0 parts by weight of aqueous dispersion, wetting 0.5 parts by weight of shrinkage cavity agent, BYK
0.5 parts by weight of aqueous levelling agent, 3 parts by weight of dipropylene glycol methyl ether, 3 parts by weight of dipropylene, 30 parts by weight of titanium dioxide, third
0.5 parts by weight of olefin(e) acid drier, 0.5 parts by weight of adhesion promoter, 1.0 parts by weight of aqueous anti-settling agent, 0.2 weight of thickener
Part, remaining is deionized water.
A kind of preparation method of watersoluble metal self-drying paint, comprising the following steps:
Firstly, by acrylic emulsion, aqueous dispersion, wetting shrinkage cavity agent, BYK aqueous levelling agent, dipropylene glycol methyl ether, two
Propandiol butyl ether, titanium dioxide, acrylic acid drier, adhesion promoter, aqueous anti-settling agent, thickener sequentially successively add
Enter and obtains mixture into container；
Watersoluble metal self-drying paint is obtained secondly, deionized water is added into said mixture and is stirred dispersion.
Preferably, mixture is dispersed with stirring after adding deionized water in above-mentioned steps, and the rate being dispersed with stirring is 800-
1000 rpms.
Preferably, mixture is dispersed with stirring after adding deionized water in above-mentioned steps, and mixing time is 60 minutes.
The effect of aqueous dispersion is that time and energy required for completing dispersion process are reduced using wetting dispersing agent, surely
Fixed dispersed pigment dispersion, modified titanium pigment particles surface nature adjust the motility of pigment particles, shorten dispersion
Time improves gloss, improves tinting strength, tinting power and covering power, improves color developing and toning property, prevents floating, prevent from flocculating, and prevents
Only sedimentation is adsorbed in the surface of solid particle, and the solid particles surface of cohesion is made to be easy to wet.Therefore water paint is used
Dispersing agent be selectively adsorbed on the interface of powder and water, the most commonly used is anionic, they ionize formation yin in water
Ion, and there is certain surface-active, it is adsorbed by powder surface, forms electric double layer after dust particle adsorption dispersing agent,
Anion is by particle surface adsorbed close, referred to as surface ion.The ion of oppositely charged is known as counter ion in the medium.It
By surface ion by Electrostatic Absorption, a part in counter ion is close compared with particle and surface ion combination, they
Claim bound counterion.They become movement entirety in medium, have negative electrical charge, and another part counter ion is then enclosed in surrounding, it
Be known as free counterion, formed diffusion layer.Electric double layer is formed in this way between surface ion and counter ion, to play
The effect of dispersion.
BYK aqueous levelling agent prevents pigment flocculation, settles out graining paste form and aspect and tinting strength, tinting power, in pigment mixture
Loose colour and floating are reduced and increase the storage stability of system, improve pigment wetting and gloss, reduce abrasive
Viscosity.
Adhesion promoter main function is the binding force that can be improved between metal and sealing wax, enhances sealing wax to metal
Lao Du.Aqueous anti-settling agent is that sealing wax is made to have thixotropy, improves viscosity, white paint is prevented to precipitate.
Use deionized water as diluent, non-toxic and tasteless, pollution-free, no three wastes, and it is easy to operate, product utilization rate reaches
100%, work efficiency can be greatly improved in this way, and unit painting cost reduces.
The viscosity of acrylic emulsion is less than 1500mPa.s, pH value 6.0-7.0, acid value 6-9.
Therefore, the watersoluble metal self-drying paint and preparation method thereof of the present invention using the above structure, preparation process is simple, certainly dry
Paint has that excellent salt spray resistance, resistance to gasoline, ultraviolet light be ageing-resistant, performance resistant to high temperature, paint film flexibility with super strength, together
When can directly use, be not necessarily to priming paint, and there is the performance of good adhesive force, bloom and quick-drying simultaneously.
Below by embodiment, technical scheme of the present invention will be described in further detail.
Specific embodiment
The present invention provides a kind of watersoluble metal self-drying paints, including formula as below:
Acrylic emulsion 40-50 parts by weight, aqueous dispersion 0.5-1.5 parts by weight, wetting shrinkage cavity agent 0.1-1.0 weight
Part, BYK aqueous levelling agent 0.1-1.0 parts by weight, coalescing agent 1-11 parts by weight, pigment 25-35 parts by weight, acrylic acid drier
0.1-1.0 parts by weight, adhesion promoter 0.1-1.0 parts by weight, aqueous anti-settling agent 0.5-1.5 parts by weight, thickener 0.1-0.3
Parts by weight, remaining is deionized water.
Further, the coalescing agent is dipropylene glycol methyl ether and dipropylene, and dipropylene glycol methyl ether and two
The mass ratio of propandiol butyl ether is 1:1.
Further, the pigment is titanium dioxide.
A kind of preparation method of watersoluble metal self-drying paint, comprising the following steps:
Firstly, by acrylic emulsion, aqueous dispersion, wetting shrinkage cavity agent, BYK aqueous levelling agent, dipropylene glycol methyl ether, two
Propandiol butyl ether, titanium dioxide, acrylic acid drier, adhesion promoter, aqueous anti-settling agent, thickener sequentially successively add
Enter and obtains mixture into container；
Watersoluble metal self-drying paint, stirring point are obtained secondly, deionized water is added into said mixture and is stirred dispersion
Scattered rate is 800-1000 rpms, and mixing time is 60 minutes.
Embodiment
45 parts by weight of acrylic emulsion, 1.0 parts by weight of aqueous dispersion, wetting 0.5 parts by weight of shrinkage cavity agent, BYK aqueous flow
Flat 0.5 parts by weight of agent, 3 parts by weight of dipropylene glycol methyl ether, 3 parts by weight of dipropylene, 30 parts by weight of titanium dioxide, acrylic acid are urged
Dry 0.5 parts by weight of agent, 0.5 parts by weight of adhesion promoter, 1.0 parts by weight of aqueous anti-settling agent, 0.2 parts by weight of thickener, remaining
For deionized water.By acrylic emulsion, aqueous dispersion, wetting shrinkage cavity agent, BYK aqueous levelling agent, dipropylene glycol methyl ether, dipropyl
Glycol butyl ether, titanium dioxide, acrylic acid drier, adhesion promoter, aqueous anti-settling agent, thickener sequentially sequentially add
Mixture is obtained into container；Water-based metal is obtained certainly secondly, deionized water is added into said mixture and is stirred dispersion
Dried lacquer, the rate being dispersed with stirring are 800-1000 rpms, and mixing time is 60 minutes.The watersoluble metal self-drying paint that will be obtained
It is applied to sheet metal surface, it is tested for the property, pencil hardness H, adhesive force is 1 grade, and the 0.5h of resistance to volatile oil is without obvious
Variation, water resistance (40 DEG C of X120h) without blistering, without fall off, light discolouration, acid resistance (0.1N sulfuric acid, for 24 hours) without significant change,
Alkali resistance (0.1NNaOH, for 24 hours) is without significant change, and accelerated aging test (xenon lamp 800 hours) is 1000 hours pitch-dark, varnish xenon lamp
1600 hours.
Therefore, the present invention is using above-mentioned watersoluble metal self-drying paint and preparation method thereof, and preparation process is simple, and self-drying paint has
Excellent salt spray resistance, resistance to gasoline, ultraviolet light be ageing-resistant, performance resistant to high temperature, paint film flexibility with super strength, while can be with
It directly uses, is not necessarily to priming paint, and there is the performance of good adhesive force, bloom and quick-drying simultaneously.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although the present invention is described in detail with reference to preferred embodiments, those skilled in the art should understand that: its according to
So can be with modification or equivalent replacement of the technical solution of the present invention are made, and these modifications or equivalent replacement cannot also make to repair
Technical solution after changing is detached from the spirit and scope of technical solution of the present invention.
Claims (8)
1. a kind of watersoluble metal self-drying paint, which is characterized in that including formula as below:
Acrylic emulsion 40-50 parts by weight, aqueous dispersion 0.5-1.5 parts by weight, wetting shrinkage cavity agent 0.1-1.0 parts by weight, BYK
Aqueous levelling agent 0.1-1.0 parts by weight, coalescing agent 1-11 parts by weight, pigment 25-35 parts by weight, acrylic acid drier 0.1-
1.0 parts by weight, adhesion promoter 0.1-1.0 parts by weight, aqueous anti-settling agent 0.5-1.5 parts by weight, thickener 0.1-0.3 weight
Part, remaining is deionized water.
2. watersoluble metal self-drying paint according to claim 1, which is characterized in that including formula as below:
Acrylic emulsion 42-48 parts by weight, aqueous dispersion 0.7-1.2 parts by weight, wetting shrinkage cavity agent 0.2-0.8 parts by weight, BYK
Aqueous levelling agent 0.2-0.8 parts by weight, coalescing agent 2-10 parts by weight, pigment 27-32 parts by weight, acrylic acid drier 0.2-
0.8 parts by weight, adhesion promoter 0.2-0.8 parts by weight, aqueous anti-settling agent 0.6-1.2 parts by weight, thickener 0.15-0.25 weight
Part is measured, remaining is deionized water.
3. watersoluble metal self-drying paint according to claim 2, it is characterised in that: the coalescing agent is dipropylene glycol methyl ether
And dipropylene, and the mass ratio of dipropylene glycol methyl ether and dipropylene is 1:1.
4. watersoluble metal self-drying paint according to claim 3, it is characterised in that: the pigment is titanium dioxide.
5. watersoluble metal self-drying paint according to claim 4, it is characterised in that: 45 parts by weight of acrylic emulsion, aqueous point
1.0 parts by weight of powder, wetting 0.5 parts by weight of shrinkage cavity agent, 0.5 parts by weight of BYK aqueous levelling agent, 3 parts by weight of dipropylene glycol methyl ether,
3 parts by weight of dipropylene, 30 parts by weight of titanium dioxide, 0.5 parts by weight of acrylic acid drier, 0.5 weight of adhesion promoter
Part, 1.0 parts by weight of aqueous anti-settling agent, 0.2 parts by weight of thickener, remaining is deionized water.
6. a kind of preparation method of watersoluble metal self-drying paint as described in any one in claim 1-5, which is characterized in that including with
Lower step:
Firstly, by acrylic emulsion, aqueous dispersion, wetting shrinkage cavity agent, BYK aqueous levelling agent, dipropylene glycol methyl ether, dipropyl two
Alcohol butyl ether, titanium dioxide, acrylic acid drier, adhesion promoter, aqueous anti-settling agent, thickener are sequentially added sequentially to
Mixture is obtained in container；
Watersoluble metal self-drying paint is obtained secondly, deionized water is added into said mixture and is stirred dispersion.
7. the preparation method of watersoluble metal self-drying paint according to claim 6, it is characterised in that: mixture in above-mentioned steps
It is dispersed with stirring after adding deionized water, the rate being dispersed with stirring is 800-1000 rpms.
8. the preparation method of watersoluble metal self-drying paint according to claim 7, it is characterised in that: mixture in above-mentioned steps
It is dispersed with stirring after adding deionized water, mixing time is 60 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910080831.7A CN109880417A (en) | 2019-01-28 | 2019-01-28 | Watersoluble metal self-drying paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910080831.7A CN109880417A (en) | 2019-01-28 | 2019-01-28 | Watersoluble metal self-drying paint and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114316715A (en) * | 2021-12-06 | 2022-04-12 | 深圳市深赛尔股份有限公司 | High-molecular fast-drying type tank-making water-based paint and preparation method thereof |
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2019
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Patent Citations (6)
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| CN102993810A (en) * | 2012-11-28 | 2013-03-27 | 天长市开林化工有限公司 | General water-based quick-drying anti-rust paint and preparation method thereof |
| CN104151970A (en) * | 2014-08-15 | 2014-11-19 | 肇庆千江高新材料科技有限公司 | Aqueous colored transparent heat insulation coating, and preparation method and use method thereof |
| CN106497278A (en) * | 2016-11-10 | 2017-03-15 | 青岛益群漆业集团有限公司 | Aqueous automobile OEM is painted |
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| Publication number | Priority date | Publication date | Assignee | Title |
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