CN103450791A - Elastic priming paint and preparation method and spraying method thereof - Google Patents
Elastic priming paint and preparation method and spraying method thereof Download PDFInfo
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- CN103450791A CN103450791A CN2012101675556A CN201210167555A CN103450791A CN 103450791 A CN103450791 A CN 103450791A CN 2012101675556 A CN2012101675556 A CN 2012101675556A CN 201210167555 A CN201210167555 A CN 201210167555A CN 103450791 A CN103450791 A CN 103450791A
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- butylacetate
- dimethylbenzene
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Abstract
The invention provides an elastic priming paint, and the priming paint includes a main paint, a curing agent and a diluent; the main paint comprises an elastic resin, a drying agent, a leveling agent and a solvent; on the basis of the total weight of the main paint, the content of the elastic resin is 28-70wt%, the content of the drying agent is 0.1-1wt%, the content of the leveling agent is 0.05-5wt%, and the content of the solvent is 25-70wt%. The invention also provides a preparation method and a spraying method of the elastic priming paint. The surface of a paint film of a product prepared by the elastic priming paint is smooth and flat.
Description
Technical field
The invention belongs to paint field, relate in particular to a kind of elastic primer and preparation method thereof and spraying method.
Background technology
In order to improve intensity, rigidity and the heat resistance of plastic material as PC, ABS etc.,, often using glass fibre and goods thereof as strongthener, with synthetic resins, make body material now, generate matrix material.But its sticking power is very poor.
As Chinese patent CN101250362 discloses a kind of ultraviolet lamp curing lampshade coating priming paint, for be the poor problem of adhesion of coating film of the plastics that strengthen of glass fibre, the method for employing is first to make one deck priming paint in plastic cement.The weight percent of this priming paint consists of: Epoxy Phenolic Acrylates 10-40wt%, two sense aliphatic urethane acrylate 5-20wt%, macromolecular pure the third resin 20-40wt%, high functional acrylate 5-30wt%, single tube energy acrylate 5-30wt%, adhesion promoter resin 5-10wt%, light trigger 1-5wt%, thinner 20-60wt%, auxiliary agent 0.01-1wt%.Although this prime coat can make its Adhesion enhancement; but plastic cement, in bake process, because plastic cement itself is different from the thermal expansivity of glass fibre, can produce on surface small variation; on this province of plastic cement, without impact, but can make the supercoat surface of its surface-coated produce orange peel.Orange peel can not meet the appearance requirement of electronic product to coating, has limited the application of its occasion of having relatively high expectations in visual appearance.
Summary of the invention
The present invention produces orange peel for solving existing plastic material with coating surface in bake process, forms the technical problem of its outward appearance, and a kind of priming paint and preparation method thereof for plastic material that does not produce orange peel in bake process is provided.
The invention provides a kind of elastic primer, this priming paint comprises main paint, solidifying agent and thinner; Described main enamel-cover is drawn together elastic resin, siccative, flow agent and solvent; The gross weight of main paint of take is benchmark, and the content of described elastic resin is 28-70wt%, and the content of described siccative is 0.1-1wt%, and the content of described leveling auxiliary agent is 0.05-5wt%, and the content of described solvent is 25-70wt%.
The present invention also provides a kind of preparation method of priming paint of the present invention, and the method comprises the following steps:
S1, elastic resin, siccative, flow agent and solvent stirring at low speed under high speed dispersor is obtained to main paint;
S2, add thinner in dispersion machine, stirring at low speed under high speed dispersor;
S3, allotment paint, the weight ratio allotment paint according to main paint, solidifying agent and thinner, filter out impurity, dirty with 300 order filter cloths, to be sprayed.
The present invention also provides a kind of method that sprays priming paint, and the method comprises the following steps:
The viscosity of S1, adjustment priming paint is 8-12s;
S2, priming paint is sprayed on to be sprayed surface, wherein the compressed air pressure of spraying is 0.4-0.8MPa, and the paint flow quantity is 0.8-1.3ml/s, and the atomization spraying swath is 15 °-30 °;
Wherein, described priming paint is priming paint of the present invention.
Contain elastic resin in priming paint of the present invention; this elastic resin can be protected the plastic material that adds glass fibre; the imbalance of utilizing its snappiness to make up the composite inner of adding glass fibre is shunk, thereby it is smooth to reach painted surface, there is no orange peel.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of elastic primer, this priming paint comprises main paint, solidifying agent and thinner; Described main enamel-cover is drawn together elastic resin, siccative, flow agent and solvent; The gross weight of main paint of take is benchmark, and the content of described elastic resin is 28-70wt%, and the content of described siccative is 0.1-1wt%, and the content of described leveling auxiliary agent is 0.05-5wt%, and the content of described solvent is 25-70wt%.
According to priming paint provided by the present invention, relatively good for the application property that makes paint, outward appearance is good, and preferably, the weight ratio of described main paint, solidifying agent and thinner is 10:1-2.5:1-4.10:1.5-2.5:2-3 more preferably.
According to priming paint provided by the present invention, preferably, described elastic resin is the hydroxyl linear polyester resin.Can select Bayer 1652, Japanese great achievement TX3100, TX354, Taiwan three sincere A-180 etc., be preferably Bayer 1652, the sincere A-180 in Taiwan three; The 29-70wt% that consumption is total amount, more preferably in situation, the 40-60wt% that consumption is total amount.
According to priming paint provided by the present invention, preferably, described siccative is organotin siccative and/or organo-bismuth siccative.Can select the T-12 organotin siccative of U.S.'s gas, or ALLCHEM 360 organic bismuth catalysts, be preferably ALLCHEM 360 organic bismuth catalysts; The 0.1-1wt% that consumption is total amount, more preferably in situation, the 0.2-0.4wt% that consumption is total amount.
According to priming paint provided by the present invention, preferably, described solvent is at least one in toluene, dimethylbenzene, ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), ethyl cellosolve acetate and pimelinketone.More preferably, the mixture that described solvent is dimethylbenzene, ethyl acetate, butylacetate, ethyl cellosolve acetate and pimelinketone; Wherein the weight ratio of dimethylbenzene, ethyl acetate, butylacetate, ethyl cellosolve acetate and pimelinketone is 4-8:1-2:1.5-2.2:0.3-0.6:0.4-0.7.Further, the weight ratio of dimethylbenzene, ethyl acetate, butylacetate, ethyl cellosolve acetate and pimelinketone is 5-7:1.2-1.8:1.7-2.0:0.4-0.5:0.3-0.6.The 35-70wt% that the usage quantity of described solvent is total amount, more preferably in situation, the 40-55wt% that the usage quantity of solvent is total amount.
Described flow agent adopts one or more mixtures in BYK 354, BYK 306, TEGO Flow 300, TEGO Flow 425, TEGO Airex 916, is preferably BYK 354 and TEGO Airex 916; The 0.05-5wt% that consumption is total amount, under preferable case, is 0.5-3wt%.
According to priming paint provided by the present invention, preferably, described solidifying agent is at least one in hexamethylene diisocyanate trimer, tolylene diisocyanate, hexamethylene diisocyanate and isophorone diisocyanate.Can select the N3390 of Bayer, the TPA-90SB of Asahi Chemical Industry, more preferably, in situation, select the N3390 of Bayer.
According to priming paint provided by the present invention, preferably, described thinner is at least one in toluene, dimethylbenzene, ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), ethyl cellosolve acetate and pimelinketone.More preferably, the mixture that described thinner is dimethylbenzene and butylacetate; Wherein the weight ratio of dimethylbenzene and butylacetate is 7:2-4.Further, the weight ratio of dimethylbenzene and butylacetate is 7:2.5-3.5.
The present invention also provides a kind of preparation method of priming paint of the present invention, and the method comprises the following steps:
S1, elastic resin, siccative, flow agent and solvent stirring at low speed under high speed dispersor is obtained to main paint;
S2, allotment paint, the weight ratio allotment paint according to main paint, solidifying agent and thinner, filter out impurity, dirty after stirring.
According to preparation method provided by the present invention, preferably, the stirring at low speed in described step S1 is 600-800r/min, and the time is 20-40min.
According to preparation method provided by the present invention, preferably, the stirring at low speed in described step S2 is 400-600r/min, and the time is 10-20min.
The present invention also provides a kind of method that sprays priming paint, and the method comprises the following steps:
The viscosity of S1, adjustment priming paint is 8-12s;
S2, priming paint is sprayed on and adds the fiber composite material surface, wherein the compressed air pressure of spraying is 0.4-0.8MPa, and the paint flow quantity is 0.8-1.3ml/s, and the atomization spraying swath is 15 °-30 °;
Wherein, described priming paint is priming paint of the present invention.
According to spraying method provided by the present invention, preferably, before spraying, to adding fiber composite material, carry out surface treatment.
Below the application specific embodiment is described in further detail the present invention.
Embodiment 1
1, elastic coating:
(1) weigh elastic resin Bayer 1652 48.3g, siccative ALLCHEM 360 0.3g, flow agent BYK 354 0.4g and solvent (dimethylbenzene 28g, ethyl acetate 8g, butylacetate 10g, ethyl cellosolve acetate 2.5g, pimelinketone 2.5g), stirring at low speed 600r/min under high speed dispersor, time is after 40min, to stop stirring, standing froth breaking, sampling;
(2) weigh solvent xylene 14 g of thinner, after stirring at low speed under high speed dispersor (400-600r/min) 10-20min, stop stirring sampling;
(3) allotment paint, the weight ratio allotment paint according to main paint, solidifying agent and thinner, filter out impurity, dirty with 300 order filter cloths, to be sprayed.
2, coating process:
(1) add fiber composite material surface cleaning and the spraying of end water
Dip in alcohol cleaning material surface with non-dust cloth, dry rear spraying nylon special bottom water.
(2) spraying: manual spray gun is sprayed, and the compressed air pressure of spraying is controlled at 0.4-0.8MPa, and the paint flow quantity is controlled at 0.8-1.3ml/s, the atomization spraying swath should be controlled between 15 °-30 °, (spraying air pressure is too low, paints the liquid atomization insufficient, and paint film is inhomogeneous; When spraying air pressure is too high, the atomization of paint liquid is good, but the loss of coating cloud excessive velocities paint vehicle strengthens) with 300 order filter cloths, coating is filled in spray gun, spray gun apart from sprayed object plane apart from 0.10-0.30m, film thickness is 20 ± 5 microns, after spraying is good, at room temperature place 2 min, then coating better levelling spreads on base material,, under 80 ℃ of conditions, baking 20 min, obtain finished product A1.
Embodiment 2
According to the method preparing product A2 of embodiment 1, difference is: each material and content thereof are as shown in table 1.
Embodiment 3
According to the method preparing product A3 of embodiment 1, difference is: each material and content thereof are as shown in table 1.
Embodiment 4
According to the method preparing product A4 of embodiment 1, difference is: each material and content thereof are as shown in table 1.
Comparative Examples 1
Method preparing product B1 according to Chinese patent CN101250362.
Performance test
1, sticking power test testing standard: ISO 2409
Testing method: use the knife back of surgical knife at coating Shang Hua 12 road cuts, wherein at an angle of 90, to form from the teeth outwards grid, the length of side of grid is 1 millimeter at least two cuts and other cut.Guarantee that every cut all is cut to body material.Both direction along cut is respectively brushed 5 times with brush.3M adhesive tape (Dongguan Ao meter Ke company, the adhesive tape model is 3M600) glue from the teeth outwards, with finger tip, that wiping belt is tight, guarantee the good contact with coating, in 5 minutes from the free end of adhesive tape the angle with 60 ° tear well-regulated the opening of adhesive tape off adhesive tape at 0.5-1 in second, the results are shown in Table 2.
Grade classification:
5B: the edge of otch is fully level and smooth, and the square of grid does not all peel off;
4B: the area that peels off part is not more than and 5% of the adhesive tape area of Surface Contact;
3B: the area that peels off part is greater than and 5% of the adhesive tape area of Surface Contact, and is no more than 15%;
2B: the area that peels off part is greater than and 15% of the adhesive tape area of Surface Contact, and is no more than 35%;
1B: the area that peels off part is greater than and 35% of the adhesive tape area of Surface Contact, and is no more than 65%.
2, outward appearance
The outward appearance of the product A that detects by an unaided eye 1-A3 and B1, the results are shown in Table 2.
Table 1
Table 2
| ? | Sticking power | Outward appearance |
| A1 | 5B | Coating surface is smooth, smooth |
| A2 | 4B | Coating surface is smooth, smooth |
| A3 | 5B | Coating surface is smooth, smooth |
| A4 | 5B | Coating surface is smooth, smooth |
| B1 | 5B | Orange peel is serious |
As can be seen from Table 2, the product coating surface prepared with elastic primer of the present invention is smooth, smooth, but the product coating surface orange peel that the elastic primer of Comparative Examples prepares is serious.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
1. an elastic primer, is characterized in that, this priming paint comprises main paint, solidifying agent and thinner; Described main enamel-cover is drawn together elastic resin, siccative, flow agent and solvent; The gross weight of main paint of take is benchmark, and the content of described elastic resin is 28-70wt%, and the content of described siccative is 0.1-1wt%, and the content of described leveling auxiliary agent is 0.05-5wt%, and the content of described solvent is 25-70wt%.
2. priming paint according to claim 1, is characterized in that, the weight ratio of described main paint, solidifying agent and thinner is 10:1-2.5:1-4.
3. priming paint according to claim 1 and 2, is characterized in that, described elastic resin is the hydroxyl linear polyester resin.
4. priming paint according to claim 1 and 2, is characterized in that, described siccative is organotin siccative and/or organo-bismuth siccative.
5. priming paint according to claim 1 and 2, is characterized in that, described solvent is at least one in toluene, dimethylbenzene, ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), ethyl cellosolve acetate and pimelinketone.
6. priming paint according to claim 5, is characterized in that, the mixture that described solvent is dimethylbenzene, ethyl acetate, butylacetate, ethyl cellosolve acetate and pimelinketone; Wherein the weight ratio of dimethylbenzene, ethyl acetate, butylacetate, ethyl cellosolve acetate and pimelinketone is 4-8:1-2:1.5-2.2:0.3-0.6:0.4-0.7.
7. priming paint according to claim 2, is characterized in that, described solidifying agent is at least one in hexamethylene diisocyanate trimer, tolylene diisocyanate, hexamethylene diisocyanate and isophorone diisocyanate.
8. priming paint according to claim 2, is characterized in that, described thinner is at least one in toluene, dimethylbenzene, ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), ethyl cellosolve acetate and pimelinketone.
9. priming paint according to claim 8, is characterized in that, the mixture that described thinner is dimethylbenzene and butylacetate; Wherein the weight ratio of dimethylbenzene and butylacetate is 7:2-4.
10. the preparation method of a priming paint claimed in claim 1, is characterized in that, the method comprises the following steps:
S1, elastic resin, siccative, flow agent and solvent stirring at low speed under high speed dispersor is obtained to main paint;
S2, allotment paint, the weight ratio allotment paint according to main paint, solidifying agent and thinner, filter out impurity, dirty after stirring.
11. preparation method according to claim 10, is characterized in that, the stirring at low speed in described step S1 is 600-800r/min, and the time is 20-40min.
12. preparation method according to claim 10, is characterized in that, the stirring at low speed in described step S2 is 400-600r/min, and the time is 10-20min.
13. a method that sprays priming paint, is characterized in that, the method comprises the following steps:
The viscosity of S1, adjustment priming paint is 8-12s;
S2, priming paint is sprayed on to be sprayed surface, wherein the compressed air pressure of spraying is 0.4-0.8MPa, and the paint flow quantity is 0.8-1.3ml/s, and the atomization spraying swath is 15 °-30 °;
Wherein, described priming paint is priming paint claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012101675556A CN103450791A (en) | 2012-05-28 | 2012-05-28 | Elastic priming paint and preparation method and spraying method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101675556A CN103450791A (en) | 2012-05-28 | 2012-05-28 | Elastic priming paint and preparation method and spraying method thereof |
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| CN103450791A true CN103450791A (en) | 2013-12-18 |
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| CN2012101675556A Pending CN103450791A (en) | 2012-05-28 | 2012-05-28 | Elastic priming paint and preparation method and spraying method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969140A (en) * | 2016-05-26 | 2016-09-28 | 青岛爱尔家佳新材料有限公司 | Rubber windshield protective coating and preparation and use methods thereof |
| CN106622894A (en) * | 2015-11-02 | 2017-05-10 | 丹阳市米可汽车零部件厂 | Paint spraying process for automotive lampshade |
| CN107502167A (en) * | 2017-08-29 | 2017-12-22 | 大禹伟业(北京)国际科技有限公司 | A kind of Low Temperature Wet solidification priming paint, anti-corrosion composite construction and its preparation and construction method |
| CN111100533A (en) * | 2019-12-28 | 2020-05-05 | 东来涂料技术（上海）股份有限公司 | Anti-slip anti-fouling tableware paint and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6331882B1 (en) * | 1998-11-26 | 2001-12-18 | Nitto Denko Corporation | Optical member, cell substrate and liquid-crystal display |
| CN101921538A (en) * | 2010-09-06 | 2010-12-22 | 东莞市佩琦涂料有限公司 | Elastic handfeel paint |
| CN102120911A (en) * | 2011-01-26 | 2011-07-13 | 深圳市深赛尔实业有限公司 | Double-component elastic-handfeel paint and preparation method thereof |
| CN102229782A (en) * | 2011-06-20 | 2011-11-02 | 上虞市佑谦特种材料有限公司 | PU elastic paint |
-
2012
- 2012-05-28 CN CN2012101675556A patent/CN103450791A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6331882B1 (en) * | 1998-11-26 | 2001-12-18 | Nitto Denko Corporation | Optical member, cell substrate and liquid-crystal display |
| CN101921538A (en) * | 2010-09-06 | 2010-12-22 | 东莞市佩琦涂料有限公司 | Elastic handfeel paint |
| CN102120911A (en) * | 2011-01-26 | 2011-07-13 | 深圳市深赛尔实业有限公司 | Double-component elastic-handfeel paint and preparation method thereof |
| CN102229782A (en) * | 2011-06-20 | 2011-11-02 | 上虞市佑谦特种材料有限公司 | PU elastic paint |
Non-Patent Citations (1)
| Title |
|---|
| 李凤芹 等: "双组分聚氨酯弹性漆的开发", 《上海涂料》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622894A (en) * | 2015-11-02 | 2017-05-10 | 丹阳市米可汽车零部件厂 | Paint spraying process for automotive lampshade |
| CN105969140A (en) * | 2016-05-26 | 2016-09-28 | 青岛爱尔家佳新材料有限公司 | Rubber windshield protective coating and preparation and use methods thereof |
| CN107502167A (en) * | 2017-08-29 | 2017-12-22 | 大禹伟业(北京)国际科技有限公司 | A kind of Low Temperature Wet solidification priming paint, anti-corrosion composite construction and its preparation and construction method |
| CN111100533A (en) * | 2019-12-28 | 2020-05-05 | 东来涂料技术（上海）股份有限公司 | Anti-slip anti-fouling tableware paint and preparation method thereof |
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