CN102363698B - Waterborne double-component full-light colored finishing paint and preparation method thereof - Google Patents
Waterborne double-component full-light colored finishing paint and preparation method thereof Download PDFInfo
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- CN102363698B CN102363698B CN 201110181640 CN201110181640A CN102363698B CN 102363698 B CN102363698 B CN 102363698B CN 201110181640 CN201110181640 CN 201110181640 CN 201110181640 A CN201110181640 A CN 201110181640A CN 102363698 B CN102363698 B CN 102363698B
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Abstract
The invention discloses waterborne double-component full-light colored finishing paint and a preparation method thereof and belongs to the field of paint. The waterborne double-component full-light colored finishing 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: 50-60 parts of polyacrylic polyols, 0.1-0.5 part of flatting agents, 20-25 parts of semi-finished product white slurry, 20-40 parts of semi-finished product colored slurry, 0.1-0.5 part of de-foaming agents, 0.1-2 parts of film-forming auxiliaries and 1-5 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 full-light colored finishing 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 full-light colored finishing 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, be water-borne coatings, day by day become the focus of research now, the aqueous woodware paint take vinylformic acid as main component, principal feature is that sticking power is good, can not deepen the color of woodenware, but wear-resisting and anti-chemical is relatively poor, hardness of paint film is softer, the examination of pencil rule is HB, fullness ratio is relatively poor, and over-all properties is general, and construction easily produces defective.
Existing coating causes easily that paint film is inhomogeneous, degradation after for some time, do not have the lacquer such as sticking power sick, and stain resistance and chemical moral character are poor, easily poor, the non-refractory of xanthochromia, antirust ability etc.
Summary of the invention
The technical problem to be solved in the present invention is that coating causes easily that paint film is inhomogeneous, degradation after for some time, do not have the lacquer such as sticking power sick in the prior art, and stain resistance and chemical moral character are poor, easily the problem of poor, the non-refractory of xanthochromia, antirust ability.
The technical scheme that the present invention solves this technical problem is: Waterborne double-component full-light colored finishing paint, it is comprised of component A and anion-modified HDI polyisocyanates, the weight proportion of described component A is: 50～60 parts of polyacrylic acid polyvalent alcohols, 0.1～0.5 part of flow agent, 20～25 parts in the white slurry of work in-process, work in-process mill base 20～40,0.1～0.5 part of defoamer, 0.1～2 part of film coalescence aid, 1～5 part in water; The weight proportion of the white slurry of described work in-process is: 50～60 parts of polyacrylic acid polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents, 40～50 parts of titanium dioxides, 1.0～5.0 parts in water; The weight proportion of described work in-process mill base is: 50～60 parts of polyacrylic acid polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents, 20～30 parts of toners, 1.0～5.0 parts in water, the weight ratio of described component A and anion-modified HDI polyisocyanates are 1 ︰ 0.2～0.3.
The present invention also provides a kind of preparation method of Waterborne double-component full-light colored finishing paint, and it comprises the steps:
A, manufacturing work in-process are starched in vain: by weight, add successively 50～60 parts of polyacrylic acid polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents to container, be stirred to and evenly and slowly add 40～50 parts of titanium dioxides, 1.0～5.0 parts of cleaning equipments of water and adjustment viscosity are to 120KU ~ 130KU, be stirred to evenly, be ground to fineness less than 15 microns with shredder.
B, manufacturing work in-process mill base: by weight, add successively 50～60 parts of polyacrylic acid polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents to container, be stirred to and evenly and slowly add 20～30 parts of toners, 1.0～5.0 parts of cleaning equipments of water and adjustment viscosity, be stirred to evenly, be ground to fineness less than 15 microns with shredder.
C, by weight, add successively 50～60 parts of polyacrylic acid polyvalent alcohols, 0.1～0.5 part of flow agent, work in-process at stirred vessel and starch in vain 20～25 parts, 20～40 parts of work in-process mill bases, 0.1～0.5 part of defoamer, 0.1～2.0 part of film coalescence aid, stir, 1.0～5.0 parts of cleaning equipments of water and adjustment viscosity are filtered and are obtained component A to 120KU ~ 130KU.
D, component A and anion-modified HDI polyisocyanates are added the water allotment according to the weight ratio of 1 ︰ 0.2～0.3 evenly get product.
Wherein, stirring described above refers at rotating speed to be that 600 ~ 800r/min stirs.
Wherein, adjustment viscosity described above is that viscosity is adjusted to 120KU ~ 130KU.
Compared with prior art, the present invention has following advantage or beneficial effect:
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, manufacturing work in-process are starched in vain: by weight, add successively 50 parts of polyacrylic acid polyvalent alcohols (DOW 3275), 2.0 parts of dispersion agents (NOPCO SN 990), 1.0 parts of anti-settling agents (encircling beautiful LA530) at stirred vessel, 600r/min is stirred to evenly and slow 40 parts of the titanium dioxides that add, 1.0 parts of cleaning equipments of water and adjustment viscosity are to 120KU, 600 stir 10 minutes to evenly, are ground to fineness less than 15 microns with shredder.
B, manufacturing work in-process mill base: by weight, add successively 50 parts of polyacrylic acid polyvalent alcohols (DOW 3275), 2.0 parts of dispersion agents (BYK194), 1.0 parts of anti-settling agents (encircling beautiful LA530) at stirred vessel, 600r/min is stirred to evenly and slow 20 parts of the toners that add, 1.0 parts of cleaning equipments of water and adjustment viscosity are to 120KU, 600r/min stirs 10 minutes to evenly, is ground to fineness less than 15 microns with shredder.
C, by weight, add successively 50 parts of polyacrylic acid polyvalent alcohols (DOW 3275), 0.1 part of flow agent (Troysol 321), work in-process at stirred vessel and starch in vain 20 parts, 20 parts of work in-process mill bases, 0.1 part of defoamer (BYK 028), 0.1 part of film coalescence aid (Yi Shiman alcohol ester-12), under stirring, 600r/min stirs, 1.0 parts of cleaning equipments of water and adjustment viscosity are filtered and are obtained component A to 120KU.
D, even by the proportioning allotment of component A ︰ component B ︰ water=1 ︰, 0.2 ︰ 0.3 gets product.
Embodiment 2
A, manufacturing work in-process are starched in vain: by weight, add successively 60 parts of polyacrylic acid polyvalent alcohols (DOW 3275), 3.0 parts of dispersion agents (DOW X405), 2.0 parts of anti-settling agents (encircling beautiful LA530) at stirred vessel, 800r/min is stirred to evenly and slow 50 parts of the titanium dioxides that add, 5.0 parts of cleaning equipments of water and adjustment viscosity are to 130KU, 800r/min stirs 10 minutes to evenly, is ground to fineness less than 15 microns with shredder.
B, manufacturing work in-process mill base: by weight, add successively 60 parts of polyacrylic acid polyvalent alcohols (DOW 3275), 3.0 parts of dispersion agents (DOW X405), 2.0 parts of anti-settling agents (encircling beautiful LA530) at stirred vessel, 800r/min is stirred to evenly and slow 30 parts of the toners that add, 5.0 parts of cleaning equipments of water and adjustment viscosity are to 130KU, 800r/min stirs 10 minutes to evenly, is ground to fineness less than 15 microns with shredder.
C, by weight, add successively 60 parts of polyacrylic acid polyvalent alcohols (DOW 3275), 0.5 part of flow agent (BYK 346), work in-process at stirred vessel and starch in vain 25 parts, 40 parts of work in-process mill bases, 0.5 part of defoamer (Tego 902W), 2.0 parts of film coalescence aid (Yi Shiman alcohol ester-12), under stirring, 800r/min stirs, 5.0 parts of cleaning equipments of water and adjustment viscosity are filtered and are obtained component A to 130KU.
D, even by the proportioning allotment of component A ︰ component B ︰ water=1 ︰, 0.3 ︰ 0.5 gets product.
Embodiment 3
A, make work in-process first and starch in vain: by weight, add successively 55 parts of polyacrylic acid polyvalent alcohols (DOW 3275), 2.5 parts of dispersion agents (BYK 194), 1.5 parts of anti-settling agents (encircling beautiful LA530) at stirred vessel, 700r/min is stirred to evenly and slow 45 parts of the titanium dioxides that add, 3 parts of cleaning equipments of water and adjustment viscosity are to 125KU, 700r/min stirs 10 minutes to evenly, is ground to fineness less than 15 microns with shredder.
B, manufacturing work in-process mill base: by weight, add successively 55 parts of polyacrylic acid polyvalent alcohols (DOW 3275), 2.5 parts of dispersion agents (BYK 194), 1.5 parts of anti-settling agents (encircling beautiful LA530) at stirred vessel, 700r/min is stirred to evenly and slow 25 parts of the toners that add, 3 parts of cleaning equipments of water and adjustment viscosity are to 125KU, 700r/min stirs 10 minutes to evenly, is ground to fineness less than 15 microns with shredder.
C, by weight, add successively 55 parts of polyacrylic acid polyvalent alcohols (DOW 3275), 0.3 part of flow agent (BYK 346), work in-process at stirred vessel and starch in vain 23 parts, 30 parts of work in-process mill bases, 0.3 part of defoamer (BYK 028), 1 part of film coalescence aid (Yi Shiman alcohol ester-12), under stirring, 700r/min stirs, 3 parts of cleaning equipments of water and adjustment viscosity are filtered and are obtained component A to 125KU.
D, even by the proportioning allotment of component A ︰ component B ︰ water=1 ︰, 0.25 ︰ 0.4 gets 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 free TDI | Do not contain free TDI | Do not contain free TDI | Do not contain free TDI |
| Sticking power | 0 grade | 0 grade | 0 grade | 0 grade |
| Pencil hardness | H | H | H | H |
| Chemical-resistant | Excellent | Excellent | Excellent | Excellent |
| Levelling property | Excellent | Generally | Can accept | Excellent |
| Defoaming | Excellent | Excellent | Can accept | Excellent |
| Surface drying (min) | 10-20 | 13 | 15 | 13 |
| Tack-free (h) | 2-4 | 3 | 3 | 3 |
| VOC（g/l） | Less than 580 | 180 | 180 | 180 |
| 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 (4)
1. Waterborne double-component full-light colored finishing paint, it is characterized in that: it is comprised of component A and anion-modified HDI polyisocyanates, the weight proportion of described component A is: 50～60 parts of polyacrylic acid polyvalent alcohols, 0.1～0.5 part of flow agent, 20～25 parts in the white slurry of work in-process, 20～40 parts of work in-process mill bases, 0.1～0.5 part of defoamer, 0.1～2 part of film coalescence aid, 1～5 part in water; The weight proportion of the white slurry of described work in-process is: 50～60 parts of polyacrylic acid polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents, 40～50 parts of titanium dioxides, 1.0～5.0 parts in water; The weight proportion of described work in-process mill base is: 50～60 parts of polyacrylic acid polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents, 20～30 parts of toners, 1.0～5.0 parts in water, the weight ratio of described component A and anion-modified HDI polyisocyanates are 1 ︰ 0.2～0.3.
2. the preparation method of Waterborne double-component full-light colored finishing paint, it is characterized in that: it comprises the steps:
A, manufacturing work in-process are starched in vain: by weight, add successively 50～60 parts of polyacrylic acid polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents to container, be stirred to and evenly and slowly add 40～50 parts of titanium dioxides, 1.0～5.0 parts of cleaning equipments of water and adjustment viscosity, be stirred to evenly, be ground to fineness less than 15 microns with shredder;
B, manufacturing work in-process mill base: by weight, add successively 50～60 parts of polyacrylic acid polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents to container, be stirred to and evenly and slowly add 20～30 parts of toners, 1.0～5.0 parts of cleaning equipments of water and adjustment viscosity, be stirred to evenly, be ground to fineness less than 15 microns with shredder;
C, by weight, add successively 50～60 parts of polyacrylic acid polyvalent alcohols, 0.1～0.5 part of flow agent, work in-process at stirred vessel and starch in vain 20～25 parts, 20～40 parts of work in-process mill bases, 0.1～0.5 part of defoamer, 0.1～2.0 part of film coalescence aid, stir, 1.0～5.0 parts of cleaning equipments of water and adjustment viscosity are filtered and are obtained component A;
D, component A and anion-modified HDI polyisocyanates are added the water allotment according to the weight ratio of 1 ︰ 0.2～0.3 evenly get product.
3. the preparation method of Waterborne double-component full-light colored finishing paint according to claim 2, it is characterized in that: it is that 600 ~ 800r/min stirs that described stirring refers at rotating speed.
4. the preparation method of Waterborne double-component full-light colored finishing paint according to claim 2, it is characterized in that: described adjustment viscosity is that viscosity is adjusted to 120KU ~ 130KU.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110181640 CN102363698B (en) | 2011-06-30 | 2011-06-30 | Waterborne double-component full-light colored finishing paint and preparation method thereof |
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| CN 201110181640 CN102363698B (en) | 2011-06-30 | 2011-06-30 | Waterborne double-component full-light colored finishing paint and preparation method thereof |
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| CN102363698A CN102363698A (en) | 2012-02-29 |
| CN102363698B true CN102363698B (en) | 2013-03-27 |
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| JP2000169750A (en) * | 1998-12-10 | 2000-06-20 | Sk Kaken Co Ltd | Water-base moisture-permeable low staining coating composition |
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| 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 |
| CN102020917A (en) * | 2010-11-18 | 2011-04-20 | 青岛德鑫汽车涂料有限公司 | Water-based two-component acrylic acid polyurethane automobile paint and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004051686A (en) * | 2002-07-17 | 2004-02-19 | Kansai Paint Co Ltd | Electrodeposition coating material and coated article |
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- 2011-06-30 CN CN 201110181640 patent/CN102363698B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000169750A (en) * | 1998-12-10 | 2000-06-20 | Sk Kaken Co Ltd | Water-base moisture-permeable low staining coating composition |
| 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 |
| CN101654589A (en) * | 2009-09-24 | 2010-02-24 | 中国海洋石油总公司 | Water-based bi-component polyurethane color paint |
| CN101899259A (en) * | 2010-07-20 | 2010-12-01 | 佛山市顺德区数码彩涂料有限公司 | Water-borne PU dual-component coating |
| 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 |
| CN102020917A (en) * | 2010-11-18 | 2011-04-20 | 青岛德鑫汽车涂料有限公司 | Water-based two-component acrylic acid polyurethane automobile paint and preparation method thereof |
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