CN103614031A - High-temperature automotive intermediate paint suitable for electrostatic spraying of automatic robots and preparation method thereof - Google Patents
High-temperature automotive intermediate paint suitable for electrostatic spraying of automatic robots and preparation method thereof Download PDFInfo
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- CN103614031A CN103614031A CN201310606020.9A CN201310606020A CN103614031A CN 103614031 A CN103614031 A CN 103614031A CN 201310606020 A CN201310606020 A CN 201310606020A CN 103614031 A CN103614031 A CN 103614031A
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- high temperature
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- electrostatic spraying
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Abstract
The invention relates to a high-temperature automotive intermediate paint suitable for the electrostatic spraying of automatic robots and a preparation method thereof. The high-temperature automotive intermediate paint comprises the following components in part by weight: 35-65 parts of a resin, 20-40 parts of pigments and fillers, 0.5-5 parts of auxiliaries, and 10-30 parts of a solvent. When an automatic electrostatic robot sprays the intermediate paint, the coating process is implemented sequentially through the steps of spraying the intermediate paint, air-drying the intermediate paint, spraying a metallic colored paint, air-drying the metallic colored paint, spraying an overcoat varnish, and drying the overcoat varnish, so that compared with traditional coating processes, intermediate coating is implemented without drying firstly, therefore, the process is relatively simple and easy to operate, and to a certain extent, the energy consumption is saved by one time, the production efficiency is increased by over two times, and the labor cost is reduced.
Description
Technical field
The present invention relates to paint in a kind of high temperature automotive, especially relate in a kind of high temperature automotive of applicable automatic robot's electrostatic spraying and painting and preparation method thereof.
Background technology
The spraying method that traditional metallic paint adopts: in spray, japanning → ovens dry → metal spraying belongs to colored paint → spray and covers varnish → oven dry, this kind of production technique employing be manual operation, the method for hand spray, the personnel that are subject to restrict more serious.Middle painting is sprayed metallic paint and varnish after can only drying again again, aspect equipment, needs automobile production manufacturer to possess two cover spray rooms, and two cover drying plants, and production technique very complex, consume energy and power consumption.At present, the full-sized car manufacturer that gets more and more, by equipment improvement, has introduced automatic robot's three operation electrostatic spraying production lines.Electrostatic spraying is to utilize high pressure static electricity electric field to make electronegative paint particles along the contrary direction orientation movement of electric field, and paint particles is adsorbed on to a kind of spraying method of workpiece surface, and Control During Paint Spraying by Robot is the computer program operation by prior setting.Its advantage is: raise labour productivity, reduce human factor, reduce spray room and safeguard, save the distinguishing features such as paint.
In order further to meet original factory of vehicle client's demand, using on the basis of electrostatic spraying production line, reduce spraying personnel, reduce human factor, enhance productivity, now develop in a kind of high temperature automotive of applicable automatic robot three operation electrostatic sprayings and paint.
Summary of the invention
Object of the present invention is exactly in order to overcome the defect that above-mentioned prior art exists, to provide in a kind of high temperature automotive of applicable automatic robot's electrostatic spraying to paint and preparation method thereof.
Object of the present invention can be achieved through the following technical solutions: in a kind of high temperature automotive of applicable automatic robot's electrostatic spraying, paint, it is characterized in that, the raw material of painting in this high temperature automotive comprises the component of following weight part content: resin 35～65, color stuffing 20～40, auxiliary agent 0.5～5, solvent 10～30.
In described high temperature automotive, japanning is also added with conductive agent, and the add-on of conductive agent is for being adjusted to the resistance of painting in high temperature automotive in the range of current that is applicable to automatic robot's three operation electrostatic sprayings.
Described conductive agent comprises nano-grade lithium iron phosphate, cloth bag Graphene, carbon nanotube or carbon nanotube conductive solution, described resistance value :≤10080M Ω .CM.
Described resin is selected from one or more in acrylic resin, saturated polyester resin, cellulose acetate resin, aminoresin.
Described color stuffing is selected from one or more in titanium dioxide, carbon black, barium sulfate, talcum powder, ferric oxide.
Described solvent is selected from one or more in methyl iso-butyl ketone (MIBK), n-butyl acetate, 1-Methoxy-2-propyl acetate, propyl carbinol, isophorone.
Described auxiliary agent is selected from one or more in polyacrylic acid lipopolymer, the macromolecule organic silicon, fluorin modified crylic acid lipopolymer.
A preparation method who paints in the high temperature automotive of applicable automatic robot's electrostatic spraying, is characterized in that, the method comprises the following steps:
(1) by formula requirement, first 70～80wt% of 60～70wt% of resin, filler, auxiliary agent, solvent is dropped into and disperseed in cylinder, and high-speed stirring 30-60 minute;
(2) with shredder, said mixture abrasive lapping is arrived to fineness≤15 micron;
(3) add again remaining resin, stir 10-30 minute;
(4) measure solids content, and adjust coating to theoretical value with remaining solvent;
(5) resistance that utilizes conductive agent to adjust coating is extremely applicable in the scope of robot electric current;
(6) to solids content detect and resistance qualified after, weighing and bagging.
In step (4), the theoretical value of solids content is: 60wt%, resistance value in step (5) :≤10080M Ω .CM.
Compared with prior art, the present invention has the following advantages:
(1) use the automatic static Control During Paint Spraying by Robot of painting in this, coating process is for japanning in spray → dry → metal spraying belongs to colored paint → certainly dry → spray cover varnish → oven dry certainly, compare with traditional coating process, middle painting does not need first to dry, and technique is relatively simple, easily operation, to a certain extent, save energy consumption and reach one times, improve 2 times of above production efficiencys, reduce cost of labor.
(2) spray efficiency improves and is even, under the essentially identical condition of working method, due to electrostatic adsorption, electrostatic spraying coating thickness is more easily gone up thick than aerial spraying, and due to electrostatic efficiency, the positions such as workpiece corner, depression are easy to japanning, film more even, be not easy to cause drain spray, whole Workpiece painting thickness is also easy to control.
(3) good levelling property, because wet film is smooth, even, under the conditions such as suitable viscosity, humiture, paint film is easy to levelling, and tangerine peel obviously alleviates, and paint film is more smooth
(4), due to the minimizing of the macroscopic irregularitys such as tangerine peel, directly improved the clarity of finish paint.
(5), for difficult japanning positions such as internal surface, corners, gloss improves more obvious.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Significantly improve an Automotive Primer Surfacer for coating efficiency, the method comprises following processing step:
(1) by formula requirements, first 13 kilograms, 40 kilograms, vibrin, 40 kilograms of titanium dioxide, 1 kilogram of polyacrylic acid lipopolymer, methyl iso-butyl ketone (MIBK) dropped in dispersion cylinders, and high-speed stirring 30 minutes;
(2) with shredder, said mixture abrasive lapping is less than to 15 microns to fineness;
(3) add again 4 kilograms, vibrin, stir 10 minutes;
(4) measure solids content, and admittedly contain to theoretical value with 2 kilograms of adjustment coating of methyl iso-butyl ketone (MIBK);
(5) resistance that utilizes conductive agent to adjust coating is extremely applicable in the scope of robot electric current
(6) to solids content detect and resistance qualified after, weighing and bagging.
In above-mentioned steps (4), the theoretical value of solids content is: 60wt%, resistance value in step (5) :≤100M Ω .CM
Embodiment 2
Significantly improve an Automotive Primer Surfacer for coating efficiency, the method comprises following processing step:
(1) by formula requirements, first 12.5 kilograms, 45 kilograms, vibrin, 36 kilograms of titanium dioxide, 2 kilograms of polyacrylic acid lipopolymers, methyl iso-butyl ketone (MIBK) dropped in dispersion cylinders, and high-speed stirring 30 minutes;
(2) with shredder, said mixture abrasive lapping is arrived to 18 microns of fineness;
(3) add again 3 kilograms, vibrin, stir 12 minutes;
(4) measure solids content, and adjust coating to theoretical value by 1.5 kilograms of methyl iso-butyl ketone (MIBK);
(5) resistance that utilizes conductive agent to adjust coating is extremely applicable in the scope of robot electric current
(6) to solids content detect and resistance qualified after, weighing and bagging.
In above-mentioned steps (4), the theoretical value of solids content is: 60wt%, resistance value in step (5) :≤100M Ω .CM
Embodiment 3
Significantly improve an Automotive Primer Surfacer for coating efficiency, the method comprises following processing step:
(1) by formula requirements, first 12.5 kilograms, 48 kilograms, vibrin, 35 kilograms of titanium dioxide, 2.5 kilograms of polyacrylic acid lipopolymers, methyl iso-butyl ketone (MIBK) dropped in dispersion cylinders, and high-speed stirring 17 minutes;
(2) with shredder, said mixture abrasive lapping is arrived to 18 microns of fineness;
(3) add again 1 kilogram, vibrin, stir 12 minutes;
(4) measure solids content, and adjust coating to theoretical value by 1 kilogram of methyl iso-butyl ketone (MIBK);
(5) resistance that utilizes conductive agent to adjust coating is extremely applicable in the scope of robot electric current
(6) to solids content detect and resistance qualified after, weighing and bagging.
In above-mentioned steps (4), the theoretical value of solids content is: 60wt%, resistance value in step (5) :≤100M Ω .CM
Embodiment 4
A preparation method who paints in the high temperature automotive of applicable automatic robot's electrostatic spraying, the method comprises the following steps:
(1) take by weight: cellulose acetate resin 35, talcum powder 20, fluorin modified crylic acid lipopolymer 5, propyl carbinol 30;
First the 70wt% of the 60wt% of resin, talcum powder, fluorin modified crylic acid lipopolymer, solvent, n-butanol is dropped into and disperseed in cylinder, and high-speed stirring 30-60 minute;
(2) with shredder, said mixture abrasive lapping is arrived to fineness≤15 micron;
(3) add again remaining cellulose acetate resin, stir 10-30 minute;
(4) measure solids content, and adjust coating to theoretical value with remaining solvent;
(5) resistance that utilizes conductive agent to adjust coating is extremely applicable in the scope of robot electric current;
(6) to solids content detect and resistance qualified after, weighing and bagging.
In step (4), the theoretical value of solids content is: 60wt%, resistance value in step (5) :≤10080M Ω .CM.
Embodiment 5
A preparation method who paints in the high temperature automotive of applicable automatic robot's electrostatic spraying, the method comprises the following steps:
(1) take by weight: aminoresin 65, ferric oxide 40, the macromolecule organic silicon 0.5,1-Methoxy-2-propyl acetate 10;
First the 80wt% of the 70wt% of resin, ferric oxide, the macromolecule organic silicon, solvent is dropped into and disperseed in cylinder, and high-speed stirring 30-60 minute;
(2) with shredder, said mixture abrasive lapping is arrived to fineness≤15 micron;
(3) add again remaining aminoresin, stir 10-30 minute;
(4) measure solids content, and adjust coating to theoretical value with remaining 1-Methoxy-2-propyl acetate;
(5) resistance that utilizes conductive agent nano-grade lithium iron phosphate to adjust coating is extremely applicable in the scope of robot electric current;
(6) to solids content detect and resistance qualified after, weighing and bagging.
In step (4), the theoretical value of solids content is: 60wt%, resistance value in step (5) :≤10080M Ω .CM.
Performance table
Claims (9)
1. in the high temperature automotive of applicable automatic robot's electrostatic spraying, paint, it is characterized in that, the raw material of painting in this high temperature automotive comprises the component of following weight part content: resin 35～65, color stuffing 20～40, auxiliary agent 0.5～5, solvent 10～30.
2. in the high temperature automotive of a kind of applicable automatic robot's electrostatic spraying according to claim 1, paint, it is characterized in that, in described high temperature automotive, japanning is also added with conductive agent, and the add-on of conductive agent is for being adjusted to the resistance of painting in high temperature automotive in the range of current that is applicable to automatic robot's three operation electrostatic sprayings.
3. in the high temperature automotive of a kind of applicable automatic robot's electrostatic spraying according to claim 2, paint, it is characterized in that, described conductive agent comprises nano-grade lithium iron phosphate, cloth bag Graphene, carbon nanotube or carbon nanotube conductive solution, described resistance value :≤10080M Ω .CM.
4. in the high temperature automotive of a kind of applicable automatic robot's electrostatic spraying according to claim 1 and 2, paint, it is characterized in that, described resin is selected from one or more in acrylic resin, saturated polyester resin, cellulose acetate resin, aminoresin.
5. in the high temperature automotive of a kind of applicable automatic robot's electrostatic spraying according to claim 1 and 2, paint, it is characterized in that, described color stuffing is selected from one or more in titanium dioxide, carbon black, barium sulfate, talcum powder, ferric oxide.
6. in the high temperature automotive of a kind of applicable automatic robot's electrostatic spraying according to claim 1 and 2, paint, it is characterized in that, described solvent is selected from one or more in methyl iso-butyl ketone (MIBK), n-butyl acetate, 1-Methoxy-2-propyl acetate, propyl carbinol, isophorone.
7. in the high temperature automotive of a kind of applicable automatic robot's electrostatic spraying according to claim 1 and 2, paint, it is characterized in that, described auxiliary agent is selected from one or more in polyacrylic acid lipopolymer, the macromolecule organic silicon, fluorin modified crylic acid lipopolymer.
8. a preparation method who paints in the high temperature automotive of applicable automatic robot's electrostatic spraying as claimed in claim 1, is characterized in that, the method comprises the following steps:
(1) by formula requirement, first 70～80wt% of 60～70wt% of resin, filler, auxiliary agent, solvent is dropped into and disperseed in cylinder, and high-speed stirring 30-60 minute;
(2) with shredder, said mixture abrasive lapping is arrived to fineness≤15 micron;
(3) add again remaining resin, stir 10-30 minute;
(4) measure solids content, and adjust coating to theoretical value with remaining solvent;
(5) resistance that utilizes conductive agent to adjust coating is extremely applicable in the scope of robot electric current;
(6) to solids content detect and resistance qualified after, weighing and bagging.
9. the preparation method who paints in the high temperature automotive of a kind of applicable automatic robot's electrostatic spraying according to claim 8, it is characterized in that, in step (4), the theoretical value of solids content is: 60wt%, resistance value in step (5) :≤10080M Ω .CM.
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| CN201310606020.9A CN103614031A (en) | 2013-11-25 | 2013-11-25 | High-temperature automotive intermediate paint suitable for electrostatic spraying of automatic robots and preparation method thereof |
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| CN201310606020.9A CN103614031A (en) | 2013-11-25 | 2013-11-25 | High-temperature automotive intermediate paint suitable for electrostatic spraying of automatic robots and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923542A (en) * | 2014-04-03 | 2014-07-16 | 江阴市荣新塑化有限公司 | Polypropylene acrylic primer for ultra-thin type automatic electrostatic coating and preparation technology thereof |
| CN104231878A (en) * | 2014-09-19 | 2014-12-24 | 苏州云舒新材料科技有限公司 | Conductive coating for communication equipment and preparation method of conductive coating |
| CN104293155A (en) * | 2014-05-23 | 2015-01-21 | 郑州精益达汽车零部件有限公司 | Robot sprayed automobile intermediate coating |
| CN104403397A (en) * | 2014-11-26 | 2015-03-11 | 东风商用车有限公司 | Carbon nanotube composite primer for cars, as well as preparation method and application method of carbon nanotube composite primer |
| CN105713466A (en) * | 2016-05-04 | 2016-06-29 | 廊坊立邦涂料有限公司 | Hydrophilic primer surfacer and preparation method thereof |
| CN106800844A (en) * | 2017-01-13 | 2017-06-06 | 安徽斯瑞尔阀门有限公司 | A kind of electrostatic spraying powder coating for copper seal gate valve and preparation method thereof |
| CN110922847A (en) * | 2019-12-04 | 2020-03-27 | 重庆华辉涂料有限公司 | High-saturation red metallic paint, and preparation method and spraying method thereof |
| CN111154366A (en) * | 2020-01-20 | 2020-05-15 | 东莞大宝化工制品有限公司 | Self-drying type anti-static coating and preparation method thereof |
| CN116618269A (en) * | 2023-05-26 | 2023-08-22 | 中国第一汽车股份有限公司 | Automobile liquid metal color coating process |
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| CN101270257A (en) * | 2008-04-25 | 2008-09-24 | 十堰市金凤化工实业有限公司 | Middle coating for vehicle furnace drying |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103923542A (en) * | 2014-04-03 | 2014-07-16 | 江阴市荣新塑化有限公司 | Polypropylene acrylic primer for ultra-thin type automatic electrostatic coating and preparation technology thereof |
| CN104293155A (en) * | 2014-05-23 | 2015-01-21 | 郑州精益达汽车零部件有限公司 | Robot sprayed automobile intermediate coating |
| CN104231878A (en) * | 2014-09-19 | 2014-12-24 | 苏州云舒新材料科技有限公司 | Conductive coating for communication equipment and preparation method of conductive coating |
| CN104403397A (en) * | 2014-11-26 | 2015-03-11 | 东风商用车有限公司 | Carbon nanotube composite primer for cars, as well as preparation method and application method of carbon nanotube composite primer |
| CN104403397B (en) * | 2014-11-26 | 2017-07-28 | 东风商用车有限公司 | Automobile-used CNT composite primer and its preparation, application method |
| CN105713466A (en) * | 2016-05-04 | 2016-06-29 | 廊坊立邦涂料有限公司 | Hydrophilic primer surfacer and preparation method thereof |
| CN106800844A (en) * | 2017-01-13 | 2017-06-06 | 安徽斯瑞尔阀门有限公司 | A kind of electrostatic spraying powder coating for copper seal gate valve and preparation method thereof |
| CN110922847A (en) * | 2019-12-04 | 2020-03-27 | 重庆华辉涂料有限公司 | High-saturation red metallic paint, and preparation method and spraying method thereof |
| CN110922847B (en) * | 2019-12-04 | 2021-09-10 | 重庆华辉涂料有限公司 | High-saturation red metallic paint, and preparation method and spraying method thereof |
| CN111154366A (en) * | 2020-01-20 | 2020-05-15 | 东莞大宝化工制品有限公司 | Self-drying type anti-static coating and preparation method thereof |
| CN116618269A (en) * | 2023-05-26 | 2023-08-22 | 中国第一汽车股份有限公司 | Automobile liquid metal color coating process |
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Application publication date: 20140305 |