CN102363698A - 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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- CN102363698A CN102363698A CN2011101816403A CN201110181640A CN102363698A CN 102363698 A CN102363698 A CN 102363698A CN 2011101816403 A CN2011101816403 A CN 2011101816403A CN 201110181640 A CN201110181640 A CN 201110181640A CN 102363698 A CN102363698 A CN 102363698A
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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 colored finish paint of the full light of a kind of aqueous dual-component 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 organic solvent type coating and organic water-borne coatings again according to the solvent difference of using.Organic solvent type coating is because VOC is high, can not satisfy people day by day enhanced to environmental protection requirement.
Organic water-borne coatings, i.e. water-borne coatings becomes the focus of research now day by day; With vinylformic acid is the aqueous woodware paint of staple, and principal feature is that sticking power is good, can not deepen the color of woodenware; But wear-resisting and anti-chemical is relatively poor, and hardness of paint film is softer, and the examination of pencil rule is HB; Fullness ratio is relatively poor, and over-all properties is general, and construction is prone to produce defective.
Existing coating causes easily that paint film is inhomogeneous, degradation after for some time, do not have 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 that the present invention will solve is that coating causes easily that paint film is inhomogeneous, degradation after for some time, do not have 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: the colored finish paint of the full light of aqueous dual-component, and it is made up of component A and anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE, and the weight proportion of said component A is: 50～60 parts of ROHM 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 skimmer; 0.1～2 part of film coalescence aid, 1～5 part in water; The weight proportion of the white slurry of said work in-process is: 50～60 parts of ROHM polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents, 40～50 parts of white titanium pigments, 1.0～5.0 parts in water; The weight proportion of said work in-process mill base is: 50～60 parts of ROHM 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 ratio of said component A and anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE are 1 ︰ 0.2～0.3.
The present invention also provides the preparation method of the colored finish paint of the full light of a kind of aqueous dual-component, and it comprises the steps:
A, manufacturing work in-process are starched in vain: by weight; Add 50～60 parts of ROHM polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents successively to container; Be stirred to and evenly and slowly add 40～50 parts of white titanium pigments; 1.0～5.0 parts of cleaning equipments of water arrive 120KU ~ 130KU with adjustment viscosity, are stirred to evenly, are ground to fineness less than 15 microns with shredder.
B, manufacturing work in-process mill base: by weight; Add 50～60 parts of ROHM polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents successively 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 are stirred to evenly, are ground to fineness less than 15 microns with shredder.
C, by weight; Add 50～60 parts of ROHM polyvalent alcohols, 0.1～0.5 part of flow agent, work in-process successively at stirred vessel and starch 20～25 parts, 20～40 parts of work in-process mill bases, 0.1～0.5 part of skimmer, 0.1～2.0 part of film coalescence aid in vain; Stir; 1.0～5.0 parts of cleaning equipments of water arrive 120KU ~ 130KU with adjustment viscosity, filter and obtain component A.
D, component A and anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE are added the water allotment according to the proportioning of 1 ︰ 0.2～0.3 evenly get product.
Wherein, above-mentioned said stirring is meant at rotating speed to be that 600 ~ 800r/min stirs.
Wherein, above-mentioned said adjustment viscosity 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 to be the coating of solvent or dispersion medium with water, and it has important environment protection significance, asepsis environment-protecting, and 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 ROHM polyvalent alcohol and POLYMETHYLENE POLYPHENYLISOCYANATE to send out through chemically crosslinked and answers, and generates a kind of high performance polyether polyols with reduced unsaturation.Solved ROHM polyvalent alcohol and the perfect emulsification of anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE 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 lacquer such as sticking power sick, guaranteed that the emulsifying agent group is connected on the polymer chain and uniform distribution, made 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 other paint construction simultaneously such as rubber-emulsion paint.
Embodiment
Embodiment 1
A, manufacturing work in-process are starched in vain: by weight; Add 50 parts of ROHM polyvalent alcohols (DOW 3275), 2.0 parts of dispersion agents (NOPCO SN 990), 1.0 parts of anti-settling agents (encircling beautiful LA530) successively at stirred vessel; 600r/min is stirred to evenly and slow 40 parts of the white titanium pigments that add; 1.0 parts of cleaning equipments of water arrive 120KU with adjustment viscosity, and 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 50 parts of ROHM polyvalent alcohols (DOW 3275), 2.0 parts of dispersion agents (BYK194), 1.0 parts of anti-settling agents (encircling beautiful LA530) successively 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 arrive 120KU with adjustment viscosity, and 600r/min stirs 10 minutes to evenly, is ground to fineness less than 15 microns with shredder.
C, by weight; Add 50 parts of ROHM polyvalent alcohols (DOW 3275), 0.1 part of flow agent (Troysol 321), work in-process successively at stirred vessel and starch 20 parts, 20 parts of work in-process mill bases, 0.1 part of skimmer (BYK 028), 0.1 part of film coalescence aid (Yi Shiman alcohol ester-12) in vain;, 600r/min stirs under stirring; 1.0 parts of cleaning equipments of water arrive 120KU with adjustment viscosity, filter and obtain component A.
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 60 parts of ROHM polyvalent alcohols (DOW 3275), 3.0 parts of dispersion agents (DOW X405), 2.0 parts of anti-settling agents (encircling beautiful LA530) successively at stirred vessel; 800r/min is stirred to evenly and slow 50 parts of the white titanium pigments that add; 5.0 parts of cleaning equipments of water arrive 130KU with adjustment viscosity, and 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 60 parts of ROHM polyvalent alcohols (DOW 3275), 3.0 parts of dispersion agents (DOW X405), 2.0 parts of anti-settling agents (encircling beautiful LA530) successively 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 arrive 130KU with adjustment viscosity, and 800r/min stirs 10 minutes to evenly, is ground to fineness less than 15 microns with shredder.
C, by weight; Add 60 parts of ROHM polyvalent alcohols (DOW 3275), 0.5 part of flow agent (BYK 346), work in-process successively at stirred vessel and starch 25 parts, 40 parts of work in-process mill bases, 0.5 part of skimmer (Tego 902W), 2.0 parts of film coalescence aid (Yi Shiman alcohol ester-12) in vain;, 800r/min stirs under stirring; 5.0 parts of cleaning equipments of water arrive 130KU with adjustment viscosity, filter and obtain component A.
D, even by the proportioning allotment of component A ︰ component B ︰ water=1 ︰, 0.3 ︰ 0.5 gets product.
Embodiment 3
A, elder generation make work in-process and starch in vain: by weight; Add 55 parts of ROHM polyvalent alcohols (DOW 3275), 2.5 parts of dispersion agents (BYK 194), 1.5 parts of anti-settling agents (encircling beautiful LA530) successively at stirred vessel; 700r/min is stirred to evenly and slow 45 parts of the white titanium pigments that add; 3 parts of cleaning equipments of water arrive 125KU with adjustment viscosity, and 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 55 parts of ROHM polyvalent alcohols (DOW 3275), 2.5 parts of dispersion agents (BYK 194), 1.5 parts of anti-settling agents (encircling beautiful LA530) successively 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 arrive 125KU with adjustment viscosity, and 700r/min stirs 10 minutes to evenly, is ground to fineness less than 15 microns with shredder.
C, by weight; Add 55 parts of ROHM polyvalent alcohols (DOW 3275), 0.3 part of flow agent (BYK 346), work in-process successively at stirred vessel and starch 23 parts, 30 parts of work in-process mill bases, 0.3 part of skimmer (BYK 028), 1 part of film coalescence aid (Yi Shiman alcohol ester-12) in vain;, 700r/min stirs under stirring; 3 parts of cleaning equipments of water arrive 125KU with adjustment viscosity, filter and obtain component A.
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 hazardous solvents such as benzene | Do not contain hazardous solvents such as benzene | Do not contain hazardous solvents such as benzene | Do not contain 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 |
| Leveling characteristics | 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 | Be prone to | Be prone to | Be prone to | Be prone to |
Find out that 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, environmental protection more, other indexs are also little with the solvent-borne type difference.
Claims (4)
1. the colored finish paint of the full light of aqueous dual-component, it is characterized in that: it is made up of component A and anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE, and the weight proportion of said component A is: 50～60 parts of ROHM 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 skimmer; 0.1～2 part of film coalescence aid, 1～5 part in water; The weight proportion of the white slurry of said work in-process is: 50～60 parts of ROHM polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents, 40～50 parts of white titanium pigments, 1.0～5.0 parts in water; The weight proportion of said work in-process mill base is: 50～60 parts of ROHM 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 ratio of said component A and anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE are 1 ︰ 0.2～0.3.
2. the preparation method of the colored finish paint of the full light of aqueous dual-component, it is characterized in that: it comprises the steps:
A, manufacturing work in-process are starched in vain: by weight; Add 50～60 parts of ROHM polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents successively to container; Be stirred to and evenly and slowly add 40～50 parts of white titanium pigments; 1.0～5.0 parts of cleaning equipments of water and adjustment viscosity are stirred to evenly, are ground to fineness less than 15 microns with shredder;
B, manufacturing work in-process mill base: by weight; Add 50～60 parts of ROHM polyvalent alcohols, 2.0～3.0 parts of dispersion agents, 1.0～2.0 parts of anti-settling agents successively 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 are stirred to evenly, are ground to fineness less than 15 microns with shredder;
C, by weight; Add 50～60 parts of ROHM polyvalent alcohols, 0.1～0.5 part of flow agent, work in-process successively at stirred vessel and starch 20～25 parts, 20～40 parts of work in-process mill bases, 0.1～0.5 part of skimmer, 0.1～2.0 part of film coalescence aid in vain; Stir; 1.0～5.0 parts of cleaning equipments of water and adjustment viscosity filter and obtain component A;
D, component A and anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE are added the water allotment according to the proportioning of 1 ︰ 0.2～0.3 evenly get product.
3. the preparation method of the colored finish paint of the full light of aqueous dual-component according to claim 2, it is characterized in that: it is that 600 ~ 800r/min stirs that said stirring is meant at rotating speed.
4. the preparation method of the colored finish paint of the full light of aqueous dual-component according to claim 2, it is characterized in that: said 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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| 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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| CN102363698A true CN102363698A (en) | 2012-02-29 |
| CN102363698B 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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| 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 |
-
2011
- 2011-06-30 CN CN 201110181640 patent/CN102363698B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
| US20040014870A1 (en) * | 2002-07-17 | 2004-01-22 | Akira Tominaga | Electrodeposition coating compositions and articles coated therewith |
| 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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