CN102363684A - Aqueous two-component white priming paint and preparation method thereof - Google Patents
Aqueous two-component white priming paint and preparation method thereof Download PDFInfo
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Abstract
The invention mainly relates to a priming paint, and concretely relates to an aqueous two-component white priming paint. The invention provides an aqueous two-component white priming paint which treats water as a solvent or a dispersion medium and is used for substituting solvent-based PU (polyurethane). The aqueous two-component white priming paint is prepared through mixing a component A and a component B according to a weight ratio of 1:0.2-0.3, wherein the component A comprises a polyacrylic acid polyol anti-settling agent, a semi-finished product white slurry, an antifoaming agent, a pigment, a filler, a leveling agent, a film forming assistant and water; and the component B is composed of an anion modified HDI polyisocyanate. The aqueous two-component white priming paint is mainly characterized in that: the aqueous two-component white priming paint solves problems that the imperfect emulsification of polyacrylic acid polyol and the anion modified HDI polyisocyanate under low shearing force is not easy for mixing, paint diseases of paint film unevenness, performance decrease after a period of time, no adhesion, and the like caused by the migration of an unbound emulsifier in a coating.
Description
Technical field
What the present invention relates to is a kind of aqueous priming paint and preparation method thereof, specifically is meant aqueous dual-component based white primer and preparation method thereof.
Background technology
Traditional solvent bottom paint all has hazardous solvents such as toxicity, benzene class and free TDI etc., and the user is had injury.And ROHM polyvalent alcohol and anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE can't perfect emulsification under low-shearing power, is difficult for mixing.The emulsifying agent of bonding does not move in coating and causes that paint film is inhomogeneous, degradation after for some time, do not have sticking power.
Summary of the invention
The object of the present invention is to provide and a kind ofly guarantee ROHM polyvalent alcohol and the perfect emulsification under low-shearing power of anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE, be easy to mix and the emulsifying agent group is connected on the polymer chain and uniform distribution, make coating have the aqueous dual-component based white primer of permanent stability.
Technical scheme of the present invention is following:
The aqueous dual-component based white primer is that component A and the B component of 1 ︰ 0.2～0.3 formed by weight ratio mainly, and wherein, component A is made up of the material of following weight percent:
ROHM polyvalent alcohol 50%～60%
Anti-settling agent 0.1%～0.5%
The white slurry 20%～25% of work in-process
Skimmer 0.1%～0.5%
Pigment 5.0%～13.0%
Filler 5.0%～13.0%
Flow agent 0.1%～0.5%
Film coalescence aid 0.1%～2.0%
Water 1.0%～5.0%
B component is anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE.
In order better to realize that the present invention, said skimmer are this BYK 028 type skimmer of DF1181 type skimmer, Japanese NOPCO SN 154 type skimmers or German Bi Ke of hamming; Said flow agent is the high Tego 410 type flow agents of the BYK 346 type flow agents of the EFKA 3750 type flow agents of EFKA, German Bi Ke, Japanese NOPCO SN 612 type flow agents or enlightening.
The white slurry of work in-process among the said component A is made up of the material of following weight percent:
ROHM polyvalent alcohol 45%～60%
Dispersion agent 2.0%～3.0%
Anti-settling agent 1.0%～2.0%
White titanium pigment 35%～50%
Water 1.0%～5.0%.
Further, said dispersion agent is the high Tego D168 type dispersion agent of the BYK 194 type dispersion agents of German Bi Ke, Japanese NOPCO SN 126 type dispersion agents or enlightening.
The preparation method of aqueous dual-component based white primer mainly comprises following preparation process:
At first be the preparation process of the white slurry of work in-process:
(1) adding weight percent in the stirred vessel successively is 45%～60% ROHM polyvalent alcohol, 2.0%～3.0% dispersion agent, 1.0%～2.0% anti-settling agent, under the agitation condition of stirred vessel 600～800r/min, stirs;
(2) continue under the agitation condition of 600～800r/min, slowly add weight percent and be 35%～50% white titanium pigment, and clean this stirred vessel with 1.0%～5.0% water, adjustment viscosity arrives 120KU～130KU;
(3) under the agitation condition of 600～800r/min, stir 10min, and be ground to fineness with shredder and get final product less than 15um;
Next is the preparation process of component A:
(1) regulates stirred vessel rotating speed to 600～800r/min; In stirred vessel, add weight percent successively and be that 50%～60% ROHM polyvalent alcohol, 0.1%～0.5% anti-settling agent, 20%～25% work in-process are starched in vain, 0.1%～0.5% skimmer, stir;
(2) under the agitation condition of 600～800r/min, slowly adding weight percent is 5.0%～13.0% pigment, 5.0%～13.0% filler;
(3) regulate stirred vessel rotating speed to 1200～1500r/min, stir 10～15min;
(4) continue under stirred vessel 1200～1500r/min rotating speed, adding weight percent successively is 0.1%～0.5% flow agent, 0.1%～2.0% film coalescence aid;
(5) under the agitation condition of 600～800r/min, stir, and clean stirred vessel, viscosity is adjusted to 120KU～130KU get final product with 1.0%～5.0% water;
Be the preparation of painting article at last:
During use, component A and B component are added water by weight the ratio that is 1 ︰ 0.2～0.3 stir and get final product.
The present invention has the following advantages and beneficial effect:
1, 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.
2, ROHM polyvalent alcohol of the present invention and the perfect emulsification of the ability of anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE under low-shearing power are easy to mix.
3, the present invention has guaranteed that the emulsifying agent group is connected on the polymer chain and uniform distribution, makes coating have permanent stability.
4, 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
Below in conjunction with embodiment the present invention is done further explanation, but embodiment of the present invention is not limited to this.
Embodiment 1
At first, the preparation work in-process are starched in vain;
The white slurry of work in-process is that the LA530 type anti-settling agent of Bayhydrol A145 type ROHM polyvalent alcohol, 2.5% Japanese NOPCO SN 126 type dispersion agents, 1.5% the Supreme Being Si Balong of 50% Bayer A.G, the R706 type white titanium pigment of 45% Du Pont, 1% water are formed by weight percent.
The preparation method of the white slurry of work in-process:
(1) in stirred vessel, adding weight percent successively is 50% ROHM polyvalent alcohol, 2.5% dispersion agent, 1.5% anti-settling agent, under the agitation condition of stirred vessel 800r/min, stirs;
(2) continue under the agitation condition of 800r/min, slowly add weight percent and be 45% white titanium pigment, and clean this stirred vessel with 1% water, adjustment viscosity arrives 120KU;
(3) under the agitation condition of 800r/min, stir 10min, and be ground to fineness with shredder and get final product less than 15um;
Secondly, preparation component A;
Component A by weight percent is that LA530 type anti-settling agent, 23% the work in-process of Bayhydrol A145 type ROHM polyvalent alcohol, 0.3% the Supreme Being Si Balong of 55% Bayer A.G are starched in vain, this EFKA 3750 type flow agents, the alcohol ester-12 type film coalescence aid of 1% Yi Shiman, 2% water of CC200 type filler, 0.4% EFKA of R902 type pigment, 9% Pu Sideng of DF1181 type skimmer, 9% Du Pont of 0.3% hamming are formed.
The preparation process of component A:
(1) regulates the stirred vessel rotating speed to 800r/min, in stirred vessel, add weight percent successively and be that 55% ROHM polyvalent alcohol, 0.3% anti-settling agent, 23% work in-process are starched in vain, 0.3% skimmer, stir;
(2) under the agitation condition of 800r/min, slowly adding weight percent is 9% pigment, 9% filler;
(3) regulate the stirred vessel rotating speed to 1500r/min, stir 13min;
(4) continue under stirred vessel 1500r/min rotating speed, adding weight percent successively is 0.4% flow agent, 1% film coalescence aid;
(5) under the agitation condition of 800r/min, stir, and clean stirred vessel, viscosity is adjusted to 120KU～130KU get final product with 2% water;
B component is anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE.
At last, during use, only need by weight the ratio that is 1 ︰, 0.2 ︰ 0.5 component A, B component and water are mixed, can construct after leaving standstill 10min, the ratio of water can adjust according to user's requirement here.Various test parameters by the prepared product of above raw material are as shown in table 1.
Embodiment 2
The difference of present embodiment and embodiment 1 is in the white slurry of work in-process the type of flow agent, skimmer in the dispersion agent type and component A; Form the weight percent of the white slurry of work in-process and each material of component A, and the weight ratio of component A, B component and water when using at last.Present embodiment is consistent with the method that embodiment 1 is adopted.
The white slurry of work in-process is that the LA530 type anti-settling agent of Bayhydrol A145 type ROHM polyvalent alcohol, 3% Japanese NOPCO SN 126 type dispersion agents, 2.0% the Supreme Being Si Balong of 52% Bayer A.G, the R706 type white titanium pigment of 40% Du Pont, 3% water are formed by weight percent.
Component A by weight percent be that 50% ROHM polyvalent alcohol, 0.4% anti-settling agent, 25% work in-process are starched in vain, this BYK 346 type flow agents, the alcohol ester-12 type film coalescence aid of 2% Yi Shiman, 4% water of CC200 type filler, 0.5% German Bi Ke of R902 type pigment, 5% Pu Sideng of DF1181 type skimmer, 13% Du Pont of 0.1% hamming form.
B component is anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE.
At last, during use, only need by weight the ratio that is 1 ︰, 0.3 ︰ 0.2 component A, B component and water are mixed, can construct after leaving standstill 10min, the ratio of water can adjust according to user's requirement here.Various test parameters by the prepared product of above raw material are as shown in table 1.
Embodiment 3
The difference of present embodiment and embodiment 1 is in the white slurry of work in-process the type of flow agent, skimmer in the dispersion agent type and component A; Form the weight percent of the white slurry of work in-process and each material of component A, and the weight ratio of component A, B component and water when using at last.Present embodiment is consistent with the method that embodiment 1 is adopted.
The white slurry of work in-process is that the LA530 type anti-settling agent of BYK 194 type dispersion agents, 1.0% the Supreme Being Si Balong of Bayhydrol A145 type ROHM polyvalent alcohol, 2% the German Bi Ke of 60% Bayer A.G, the R706 type white titanium pigment of 35% Du Pont, 2% water are formed by weight percent.
Component A by weight percent is that LA530 type anti-settling agent, 20% the work in-process of Bayhydrol A145 type ROHM polyvalent alcohol, 0.2% the Supreme Being Si Balong of 58% Bayer A.G are starched in vain, the CC200 type filler of the R902 type pigment of 0.5% Japanese NOPCO SN 154 type skimmers, 7% Du Pont, 11% Pu Sideng, 0.3% Japanese NOPCO SN 612 type flow agents, the alcohol ester-12 type film coalescence aid of 0.5% Yi Shiman, 2.5% water are formed.
B component is anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE.
At last, during use, only need by weight the ratio that is 1 ︰, 0.2 ︰ 0.4 component A, B component and water are mixed, can construct after leaving standstill 10min, the ratio of water can adjust according to user's requirement here.Various test parameters by the prepared product of above raw material are as shown in table 1.
Embodiment 4
The difference of present embodiment and embodiment 1 is in the white slurry of work in-process the type of flow agent, skimmer in the dispersion agent type and component A; Form the weight percent of the white slurry of work in-process and each material of component A, and the weight ratio of component A, B component and water when using at last.Present embodiment is consistent with the method that embodiment 1 is adopted.
The white slurry of work in-process is that the LA530 type anti-settling agent of the high Tego D168 type dispersion agent of Bayhydrol A145 type ROHM polyvalent alcohol, 3% the enlightening of 50% Bayer A.G, 1.0% Supreme Being Si Balong, the R706 type white titanium pigment of 42% Du Pont, 4% water are formed by weight percent.
Component A by weight percent is that LA530 type anti-settling agent, 20% the work in-process of Bayhydrol A145 type ROHM polyvalent alcohol, 0.5% the Supreme Being Si Balong of 60% Bayer A.G are starched in vain, the CC200 type filler of the R902 type pigment of the BYK 028 type skimmer of 0.5% German Bi Ke, 5% Du Pont, 7% Pu Sideng, 0.5% Japanese NOPCO SN 612 type flow agents, the alcohol ester-12 type film coalescence aid of 1.5% Yi Shiman, 5% water are formed.
B component is anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE.
At last, during use, only need by weight the ratio that is 1 ︰, 0.2 ︰ 0.1 component A, B component and water are mixed, can construct after leaving standstill 10min, the ratio of water can adjust according to user's requirement here.Various test parameters by the prepared product of above raw material are as shown in table 1.
Embodiment 5
The difference of present embodiment and embodiment 1 is in the white slurry of work in-process the type of flow agent, skimmer in the dispersion agent type and component A; Form the weight percent of the white slurry of work in-process and each material of component A, and the weight ratio of component A, B component and water when using at last.Present embodiment is consistent with the method that embodiment 1 is adopted.
The white slurry of work in-process is that the LA530 type anti-settling agent of the high Tego D168 type dispersion agent of BYK 194 type dispersion agents, 1% the enlightening of Bayhydrol A145 type ROHM polyvalent alcohol, 1% the German Bi Ke of 57% Bayer A.G, 1.5% Supreme Being Si Balong, the R706 type white titanium pigment of 38% Du Pont, 1.5% water are formed by weight percent.
Alcohol ester-12 type the film coalescence aid of the Tego 410 type flow agents that component A by weight percent is that LA530 type anti-settling agent, 21% the work in-process of Bayhydrol A145 type ROHM polyvalent alcohol, 0.1% the Supreme Being Si Balong of 53% Bayer A.G are starched in vain, this CC200 type filler, 0.1% the enlightening of R902 type pigment, 13% Pu Sideng of DF1181 type skimmer, 11% Du Pont of 0.1% hamming is high, 0.7% Yi Shiman, 1% water are formed.
B component is anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE.
At last, during use, only need by weight the ratio that is 1 ︰, 0.2 ︰ 0.5 component A, B component and water are mixed, can construct after leaving standstill 10min, the ratio of water can adjust according to user's requirement here.Various test parameters by the prepared product of above raw material are as shown in table 1.
Table 1
| Test event | Technical requirements | Solvent type coating | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| The dispersion agent type | Do not have | Traditional dispersion agent | Japan NOPCO SN 126 type dispersion agents | Japan NOPCO SN 126 type dispersion agents | The BYK 194 type dispersion agents of Germany Bi Ke | The Tego D168 type dispersion agent that enlightening is high | The high Tego D168 type dispersion agent of BYK 194 type dispersion agents, enlightening of Germany Bi Ke |
| Type of anti-foam agent | Do not have | Traditional skimmer | This DF1181 type skimmer of hamming | This DF1181 type skimmer of hamming | Japan NOPCO SN 154 type skimmers | The BYK 028 type skimmer of Germany Bi Ke | This DF1181 type skimmer of hamming |
| The flow agent type | Do not have | Traditional flow agent | The EFKA 3750 type flow agents of EFKA | The BYK 346 type flow agents of Germany Bi Ke | Japan NOPCO SN 612 type flow agents | Japan NOPCO SN 612 type flow agents | The Tego 410 type flow agents that enlightening is high |
| Whether contain organic solvents such as benzene | Do not have | Contain | Do not contain | Do not contain | Do not contain | Do not contain | Do not contain |
| Paint film appearance | Smooth smooth | Smooth smooth | Smooth smooth | Smooth smooth | Smooth smooth | Smooth smooth | Smooth smooth |
| Sticking power | <=1 grade | 1 grade | 0 grade | 0 grade | 0 grade | 0 grade | 0 grade |
| Leveling characteristics | Good | Good | Generally | Good | Good | Excellent | Can accept |
| Defoaming | Good | Good | Can accept | Generally | Good | Good | Generally |
| Pencil hardness | ≥HB | HB | H | H | H | H | H |
| Chemical-resistant | 2h passes through | Excellent | Excellent | Excellent | Excellent | Excellent | Excellent |
| Grinability | ≤50um | Good | Good | Good | Good | Good | Good |
| VOC,g/L | Do not have | Less than 580 | Less than 200 | Less than 200 | Less than 200 | Less than 200 | Less than 200 |
| Surface drying min | Do not have | 10~20 | 10~20 | 10~20 | 10~20 | 10~20 | 10~20 |
| The tack-free time | Do not have | 2~4 | 2~4 | 2~4 | 2~4 | 2~4 | 2~4 |
Can be drawn by above data, coating of the present invention does not only contain organic solvents such as benzene, and its sticking power is good, hardness is higher, leveling characteristics is good, wear resisting property is better, and has excellent physical and mechanical properties and chemical resistance preferably.And ROHM polyvalent alcohol and the perfect emulsification under low-shearing power of anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE in the manufacturing processed, be easier to mix and this emulsifying agent group is connected on the polymer chain and uniform distribution, make coating have the aqueous dual-component based white primer of permanent stability.
As stated, just can realize the present invention preferably.
Claims (2)
1. aqueous dual-component based white primer is characterized in that: be that component A and the B component of 1 ︰ 0.2～0.3 formed by weight ratio mainly, wherein, component A is made up of the material of following weight percent:
ROHM polyvalent alcohol 50%～60%
Anti-settling agent 0.1%～0.5%
The white slurry 20%～25% of work in-process
Skimmer 0.1%～0.5%
Pigment 5.0%～13.0%
Filler 5.0%～13.0%
Flow agent 0.1%～0.5%
Film coalescence aid 0.1%～2.0%
Water 1.0%～5.0%
B component is anion-modified HDI POLYMETHYLENE POLYPHENYLISOCYANATE;
The white slurry of work in-process among the said component A is made up of the material of following weight percent:
ROHM polyvalent alcohol 45%～60%
Dispersion agent 2.0%～3.0%
Anti-settling agent 1.0%～2.0%
White titanium pigment 35%～50%
Water 1.0%～5.0%.
2. the preparation method of an aqueous dual-component based white primer mainly comprises following preparation process:
(1) preparation process of the white slurry of work in-process:
In stirred vessel, adding weight percent successively is 45%～60% ROHM polyvalent alcohol, 2.0%～3.0% dispersion agent, 1.0%～2.0% anti-settling agent, under the agitation condition of stirred vessel 600～800r/min, stirs;
Continuation slowly adds weight percent and is 35%～50% white titanium pigment under the agitation condition of 600～800r/min, and cleans this stirred vessel with 1.0%～5.0% water, and adjustment viscosity is to 120KU～130KU;
Under the agitation condition of 600～800r/min, stir 10min, and be ground to fineness with shredder and get final product less than 15um;
(2) preparation process of component A:
Regulate stirred vessel rotating speed to 600～800r/min; In stirred vessel, add weight percent successively and be that 50%～60% ROHM polyvalent alcohol, 0.1%～0.5% anti-settling agent, 20%～25% work in-process are starched in vain, 0.1%～0.5% skimmer, stir;
Under the agitation condition of 600～800r/min, slowly adding weight percent is 5.0%～13.0% pigment, 5.0%～13.0% filler;
Regulate stirred vessel rotating speed to 1200～1500r/min, stir 10～15min;
Continuation is under stirred vessel 1200～1500r/min rotating speed, and adding weight percent successively is 0.1%～0.5% flow agent, 0.1%～2.0% film coalescence aid;
Under the agitation condition of 600～800r/min, stir, and clean stirred vessel, viscosity is adjusted to 120KU～130KU get final product with 1.0%～5.0% water.
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| CN 201110180497 CN102363684B (en) | 2011-06-30 | 2011-06-30 | Aqueous two-component white priming paint and preparation method thereof |
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| CN 201110180497 CN102363684B (en) | 2011-06-30 | 2011-06-30 | Aqueous two-component white priming paint and preparation method thereof |
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| CN103756518A (en) * | 2013-12-27 | 2014-04-30 | 上海长润发涂料有限公司 | Laser roller painting UV (ultraviolet) matte white paint |
| CN106010201A (en) * | 2016-08-05 | 2016-10-12 | 吴静 | Preparation method of aqueous two-component polyacrylic polyol white primer specially used for reaction kettles, and product thereof |
| CN106047143A (en) * | 2016-08-05 | 2016-10-26 | 吴静 | Preparation method for aqueous dual-component polyurethane flat lacquer and product thereof |
| CN107286825A (en) * | 2017-05-09 | 2017-10-24 | 河北晨阳工贸集团有限公司 | Easy polishing aqueous two-component white priming paint and preparation method thereof |
| CN108148494A (en) * | 2017-12-26 | 2018-06-12 | 株洲市九华新材料涂装实业有限公司 | A kind of urban rail and multiple unit train body double-component aqueous acroleic acid polyurethane selfreparing bloom varnish and preparation method thereof |
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| US20030018139A1 (en) * | 2001-02-09 | 2003-01-23 | Williams Kevin Alan | Modified carboxylated polyolefins and their use as adhesion promoters |
| CN1405254A (en) * | 2001-09-18 | 2003-03-26 | 海洋化工研究院 | Water-based acrylic acid modified alcoholic acid amino baking paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103756518A (en) * | 2013-12-27 | 2014-04-30 | 上海长润发涂料有限公司 | Laser roller painting UV (ultraviolet) matte white paint |
| CN106010201A (en) * | 2016-08-05 | 2016-10-12 | 吴静 | Preparation method of aqueous two-component polyacrylic polyol white primer specially used for reaction kettles, and product thereof |
| CN106047143A (en) * | 2016-08-05 | 2016-10-26 | 吴静 | Preparation method for aqueous dual-component polyurethane flat lacquer and product thereof |
| CN107286825A (en) * | 2017-05-09 | 2017-10-24 | 河北晨阳工贸集团有限公司 | Easy polishing aqueous two-component white priming paint and preparation method thereof |
| CN108148494A (en) * | 2017-12-26 | 2018-06-12 | 株洲市九华新材料涂装实业有限公司 | A kind of urban rail and multiple unit train body double-component aqueous acroleic acid polyurethane selfreparing bloom varnish and preparation method thereof |
| CN108148494B (en) * | 2017-12-26 | 2020-08-25 | 株洲市九华新材料涂装实业有限公司 | Double-component water-based acrylic polyurethane self-repairing high-gloss varnish for urban rails and motor train bodies and preparation method thereof |
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| CN102363684B (en) | 2013-02-13 |
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