CN102363701B - Waterborne double-component metallic flashy finish paint and preparation method thereof - Google Patents
Waterborne double-component metallic flashy finish paint and preparation method thereof Download PDFInfo
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- CN102363701B CN102363701B CN 201110181653 CN201110181653A CN102363701B CN 102363701 B CN102363701 B CN 102363701B CN 201110181653 CN201110181653 CN 201110181653 CN 201110181653 A CN201110181653 A CN 201110181653A CN 102363701 B CN102363701 B CN 102363701B
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Abstract
The invention discloses waterborne double-component metallic flashy finish paint and a preparation method thereof and belongs to the field of paint. The waterborne double-component metallic flashy finish paint comprises a component A and an anionic modified HDI (Hexamethylene Diisocyanate) polyisocyanate, wherein the component A comprises the following materials in part by weight: 70-80 parts of polyacrylic polyols, 0.1-0.5 part of flatting agents, 0.1-0.5 part of pH regulators, 0.1-0.5 part of de-foaming agents, 1.0-5.0 parts of silver powder, 0.1-2.0 parts of film-forming auxiliaries and 1.0-5.0 parts of water. The weight ratio of the component A to the anionic modified HDI polyisocyanate is 1:(0.2-0.3). The waterborne double-component metallic paint has excellent glossiness and appearance, is excellent in stain resistance and chemical property, never becomes yellow, is rust-proof and high-temperature resistant, and can be simultaneously applied together with other paint, such as emulsion paint.
Description
Technical field
The invention belongs to paint field, be specifically related to a kind of Waterborne double-component metallic flashy finish paint and preparation method thereof.
Background technology
Present various coating types on the market are various, mainly are divided into organic coating and inorganic paint, and organic coating is divided into again organic solvent type coating and organic water-borne coatings according to the solvent difference of using.Organic solvent type coating can not satisfy the requirement to environmental protection that people strengthen day by day because VOC is high.
Organic water-borne coatings, i.e. water-borne coatings becomes the focus of research now day by day.Conventional water-miscible paint is poor to the timber wettability, and also usually bad with other water-baseds embodiment consistencies, emulsion is easily destroyed under high-speed stirring.
Summary of the invention
The technical problem to be solved in the present invention is that water-miscible paint is poor to the timber wettability in the prior art, and also usually bad with other water-baseds embodiment consistencies, emulsion is easily destroyed under high-speed stirring.
The technical scheme that the present invention solves this technical problem provides a kind of Waterborne double-component metallic flashy finish paint, it is comprised of component A and anion-modified HDI polyisocyanates, the consisting of of described component A (by weight): 70 ~ 80 parts of polyacrylic acid polyvalent alcohols, 0.1 ~ 0.5 part of flow agent, 0.1 ~ 0.5 part of pH adjusting agent, 0.1 ~ 0.5 part of defoamer, 1.0 ~ 5.0 parts in silver powder, 0.1 ~ 2.0 part of film coalescence aid, 1.0 ~ 5.0 parts in water; The weight ratio of component A and anion-modified HDI polyisocyanates is 1 ︰ 0.2 ~ 0.3.
Wherein, in the composition of component A described above, 75 parts of polyacrylic acid polyvalent alcohols, 0.3 part of flow agent, 0.3 part of pH adjusting agent, 0.3 part of defoamer, 3 parts in silver powder, 1 part of film coalescence aid, 3 parts in water.
Wherein, the weight ratio of component A described above and anion-modified HDI polyisocyanates is 1 ︰ 0.25.
The present invention also provides a kind of preparation method of Waterborne double-component metallic flashy finish paint, and it may further comprise the steps:
A, by weight, in container, add successively 70 ~ 80 parts of polyacrylic acid polyvalent alcohols, 0.1 ~ 0.5 part of flow agent, 0.1 ~ 0.5 part of pH adjusting agent, 0.1 ~ 0.5 part of defoamer, 1.0 ~ 5.0 parts in silver powder, 0.1 ~ 2.0 part of film coalescence aid, 600～800r/min stirs, 1.0 ~ 5.0 parts of cleaning equipments of water and adjustment viscosity are filtered and are obtained component A to 80KU-90KU.
B, add the water allotment evenly by the proportioning of component A ︰ B component=1 ︰ 0.2 ~ 0.3, get product.
Wherein, adjustment viscosity described above is for to adjust to 85KU with viscosity.
The present invention is take water as solvent or the coating of dispersion medium, and it has important environment protection significance, asepsis environment-protecting, and the hazardous solvent such as containing benezene does not contain free TDI, by the invisible transformation of solvent-borne type PU hydrotropisms PU.
The present invention adopts polyacrylic acid polyvalent alcohol and polyisocyanates to send out through chemically crosslinked and answers, and generates a kind of high performance polyether polyols with reduced unsaturation.Solved polyacrylic acid polyvalent alcohol and the perfect emulsification of anion-modified HDI polyisocyanates under low-shearing power, be easy to mix; Solved owing to the emulsifying agent of bonding not moves in coating and caused that paint film is inhomogeneous, degradation after for some time, do not had the lacquer such as sticking power sick, guaranteed that the emulsifying agent group is connected on the polymer chain and evenly distributes, and makes coating have permanent stability.
The present invention has excellent gloss and outward appearance, and stain resistance and chemical moral character are excellent, xanthochromia, antirust, high temperature resistant not, can with the simultaneously construction of other paint such as emulsion paint.
Embodiment
Embodiment 1
A, by weight, in container, add successively 70 parts of polyacrylic acid polyvalent alcohols (Tao Shi DOW 3275), 0.1 part of flow agent (BYK346), 0.1 part of pH adjusting agent (Acker agate N-41), 0.1 part of defoamer (BYK 028), 1.0 parts in silver powder, 0.1 part of film coalescence aid (Yi Shiman alcohol ester-12), 600r/min stirs, 1.0 parts of cleaning equipments of water and adjustment viscosity are filtered and are obtained component A to 80KU.
B, add the water allotment evenly by the proportioning of component A ︰ B component=1 ︰ 0.2, get product.
Embodiment 2
A, by weight, in container, add successively 80 parts of polyacrylic acid polyvalent alcohols (Tao Shi DOW 3275), 0.5 part of flow agent (Tego 410), 0.5 part of pH adjusting agent (Acker agate N-41), 0.5 part of defoamer (BYK 028), 5.0 parts in silver powder, 2.0 parts of film coalescence aid (Yi Shiman alcohol ester-12), 800r/min stirs, 5.0 parts of cleaning equipments of water and adjustment viscosity are filtered and are obtained component A to 90KU.
B, add the water allotment evenly by the proportioning of component A ︰ B component=1 ︰ 0.3, get product.
Embodiment 3
A, by weight, in container, add successively 75 parts of polyacrylic acid polyvalent alcohols (Tao Shi DOW 3275), 0.3 part of flow agent (Tego 410), 0.3 part of pH adjusting agent (Acker agate N-41), 0.3 part of defoamer (Tego 902W), 3 parts in silver powder, 1 part of film coalescence aid (Yi Shiman alcohol ester-12), 700r/min stirs, 3 parts of cleaning equipments of water and adjustment viscosity are filtered and are obtained component A to 85KU.
B, add the water allotment evenly by the proportioning of component A ︰ B component=1 ︰ 0.25, get product.
Each embodiment product performance contrast of table 1:
| Test event | Solvent-borne type | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Paint film appearance | Smooth smooth | Smooth smooth | Smooth smooth | Smooth smooth |
| The feature of environmental protection | Contain the hazardous solvents such as benzene | Do not contain the hazardous solvents such as benzene | Do not contain the hazardous solvents such as benzene | Do not contain the hazardous solvents such as benzene |
| Free TDI | Contain | Do not contain | Do not contain | Do not contain |
| Sticking power | 0 grade | 0 grade | 0 grade | 0 grade |
| Pencil hardness | HB | HB | HB | HB |
| Chemical-resistant | Excellent | Excellent | Excellent | Excellent |
| Defoaming | Excellent | Generally | Excellent | Can accept |
| Levelling property | Excellent | Can accept | Excellent | Can accept |
| Surface drying (min) | 10-20 | 13 | 14 | 13 |
| Tack-free (h) | 2-4 | 3 | 3 | 3 |
| VOC（g/l） | Less than 580 | 200 | 200 | 200 |
| Application property | Easily | Easily | Easily | Easily |
As seen from Table 1, product VOC content of the present invention is starkly lower than solvent type lacquer, and does not contain benzene and free TDI, more environmental protection, and other indexs are also little with the solvent-borne type difference.
Claims (2)
1. Waterborne double-component metallic flashy finish paint, it is characterized in that: it is comprised of component A and anion-modified HDI polyisocyanates, the composition of described component A is by weight: 75 parts of polyacrylic acid polyvalent alcohols, 0.3 part of flow agent, 0.3 part of pH adjusting agent, 0.3 part of defoamer, 3 parts in silver powder, 1 part of film coalescence aid, 3 parts in water; The weight ratio of component A and anion-modified HDI polyisocyanates is 1 ︰ 0.2 ~ 0.3.
2. Waterborne double-component metallic flashy finish paint according to claim 1, it is characterized in that: the weight ratio of described component A and anion-modified HDI polyisocyanates is 1 ︰ 0.25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181653 CN102363701B (en) | 2011-06-30 | 2011-06-30 | Waterborne double-component metallic flashy finish paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110181653 CN102363701B (en) | 2011-06-30 | 2011-06-30 | Waterborne double-component metallic flashy finish paint and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102363701A CN102363701A (en) | 2012-02-29 |
| CN102363701B true CN102363701B (en) | 2013-03-27 |
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| CN 201110181653 Expired - Fee Related CN102363701B (en) | 2011-06-30 | 2011-06-30 | Waterborne double-component metallic flashy finish paint and preparation method thereof |
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| CN109852216B (en) * | 2018-12-13 | 2021-04-30 | 清远市浩宇化工科技有限公司 | Water-based metal flashing paint |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002292A (en) * | 2010-11-03 | 2011-04-06 | 广东巴德士化工有限公司 | Bi-component water woodware matte whitening paint |
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| WO2008050756A1 (en) * | 2006-10-23 | 2008-05-02 | Kansai Paint Co., Ltd. | Aqueous two-package type clear coating composition and process for the formation of multilayer finish coating film |
| CN101108951A (en) * | 2007-08-30 | 2008-01-23 | 桂林工学院 | Aquosity bi-component polyurethane coloured paint and method of manufacturing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002292A (en) * | 2010-11-03 | 2011-04-06 | 广东巴德士化工有限公司 | Bi-component water woodware matte whitening paint |
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