CN102268210B - Additive capable of improving electrostatic effect for spraying fluorocarbon paint - Google Patents
Additive capable of improving electrostatic effect for spraying fluorocarbon paint Download PDFInfo
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- CN102268210B CN102268210B CN 201110248563 CN201110248563A CN102268210B CN 102268210 B CN102268210 B CN 102268210B CN 201110248563 CN201110248563 CN 201110248563 CN 201110248563 A CN201110248563 A CN 201110248563A CN 102268210 B CN102268210 B CN 102268210B
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Abstract
The invention belongs to the technical field of fluorocarbon paints, and particularly relates to an additive capable of improving the electrostatic effect for spraying fluorocarbon paint. The additive consists of the following components in percentage by weight: 15-25 percent of methyl ethyl ketone, 10-20 percent of diethylene glycol monobutyl ether, 2-4 percent of methyl isobuthyl ketone, 3-6 percent of butyl acetate and 45-70 percent of alkane main solution. The additive can be used for overcoming the defects of low atomizing efficiency of a spray gun, low adsorption force, low painting efficiency and non-uniform distribution of metal fine particles and the like caused by weak electrostatic effect and poor electric conductivity in the spraying process of the fluorocarbon paint at present.
Description
Technical field
The invention belongs to fluorocarbon oil lacquer technical field, be specifically related to the spraying of a kind of fluorocarbon oil lacquer and use additive.
Background technology
In fluorocarbon oil lacquer spraying process, the resistivity of coating is commonly referred to conductivity, is vital, lets atomised coating material particle that contains negative electricity and the workpiece (or ground connection) that will be sprayed that contains positive electricity can form an electrostatic field.At present, in the spraying process electrostatic efficiency a little less than, conductivity is relatively poor.Because resistance is bigger, cause spray gun atomizing rate variance, adsorptive power is little, and painting rate is low, defectives such as metal particle skewness.
Summary of the invention
The object of the present invention is to provide a kind ofly can increase electrostatic effect, thereby can improve the additive that is used for the spraying of fluorocarbon oil lacquer of spray gun condensation rate, painting rate and adsorptive power.
The additive that is used for the spraying of fluorocarbon oil lacquer provided by the invention, its prescription is counted by the weight percent of moity: two-butanone 15%-25%, Diethylene Glycol butyl ether 10%-20%; Hexone 2%-4%; N-BUTYL ACETATE 3%-6%, alkanes master solution 45%-70%, total amount satisfies 100%.Each integral part is simple mixing, need not other supplementary condition.
Among the present invention, the basic function of each component is following:
The effect of two-butanone is to elevate the temperature, and solubleness reduces, and when being used for temperature below 20 ℃, plays the viscosity of dissolving paint, accelerates rate of volatilization.
Diethylene Glycol butyl ether characteristics are that higher boiling point is arranged, lower evaporation rate, and when being used for more than 20 ℃ temperature, the volatilization speed frequency that can suppress to paint;
Hexone mainly makes paint resistance descend, and electric action is big, and atomizing effect strengthens, and adsorptive power strengthens, and painting rate improves.
N-BUTYL ACETATE is used for regulating paint levelling effect, makes the pit, pin hole, trachoma etc. of spraying back workpiece surface locate smooth smooth.
Main solution is alkanes solution, preferable methyl hexanaphthene, normal hexane or Skellysolve A etc.
Effect of the present invention: additive is melted in the fluorocarbon oil lacquer coating; The resistance of fluorocarbon oil lacquer is descended, increase conductivity, coating will be recharged at the atomizing point; This electrostatic charging can make coating particles more efficient, more balancedly is adsorbed onto front and back, side and the edge of product.Electrostatic force also can make charged coating particles with high scale deposits to workpiece, condensation rate is strong, increases adsorption rate and painting rate.
During use; Charged coating particles can change direction, when when a direction sprays, and can be at the part top, bottom and side deposition; According to the size of component paint particles is adsorbed onto around the workpiece fully; This coating mode is enough to once around the coating workpieces, saved extra transmission need with the waste of coating, utilization ratio reaches more than 96%.Improved transmission efficiency greatly, increased painting rate, reduced tooling cost, and made its top coat more even, metalluster is stronger, and color clear, stereoscopic sensation are strong, and paint film has more the performance of weather resistance, weathering resistance.In fluorocarbon-sprayed process, increase the additive of electrostatic effect, its resistance is descended, increase static, increase electric action.Solved at present because of a little less than the electrostatic efficiency in the spraying process, poor electric conductivity, it is big resistance to occur, causes spray gun atomizing rate variance, defectives such as adsorptive power is little, japanning rate variance, metal particle skewness.
When not adding additive of the present invention (or adding other additives), the former scope of paint resistivity is 1.0-1.3M Ω, and electrostatic potential reaches 70-85KV; Flow line speed is 1.5 meters/minute, and poor electric conductivity is a little less than the electrostatic efficiency; The spraying sector is little, does not encircle phenomenon, waste paint.Primer coating 1KG sprays 7-8M
2, topcoat 1KG sprays 3-4M
2, finishing paint coating 1KG sprays 8-10M
2, coat-thickness is inhomogeneous, low in glossiness, and color is easy to generate aberration, and rework rate reaches 10%.
And in the fluorocarbon oil lacquer, add additive of the present invention, the coating resistance value is controlled at below the 0.05-0.6M Ω, when electrostatic potential is controlled at 50-65KV; Sectorial area has increased by 25%, and condensation rate strengthens 25%, and flow line speed is 1.9 meters/minute (under situation that the paint viscosity equates); Adsorptive power is big, and painting rate is high, and film thickness is even; Encircle widely, primer coating 1KG sprays 9-11M
2, topcoat 1KG sprays 5-7M
2, finishing paint coating 1KG sprays 12-14M
2, qualification rate reaches 98%.And the visual impression feel is good especially, resists position levelling effects such as pit, scuffing, trachoma especially and obviously shows, and has improved throughput and coating quality, has practiced thrift the paint cost.
The technical parameter contrast table
(paint viscosity, film thickness, set time identical state under)
Embodiment
Embodiment 1 gets prescription two-butanone 18%, Diethylene Glycol butyl ether 15%, hexone 2%, N-BUTYL ACETATE 4%; The additive of methylcyclohexane master solution 61% preparation, with workpiece or base material through conventional fluorocarbon-sprayed pre-treatment flow process: be followed successively by the decontamination of deoiling, wash alkali cleaning (degreasing); Washing,, pickling, washing; Chromaking, washing, pure water is washed.In fluorocarbon coating, add this additive then, addition controls to the viscosity identical with other additives in the measuring cup of ZARNNO0.2, dripping off in 18 seconds, and spraying is three coatings, and priming paint thickness is 10 μ m, and finish paint thickness is 20 μ m, and finishing paint thickness is 10 μ m.The fan-shaped atomizing pressure 1kg/mpa of spray gun during spraying, electrostatic potential is under the state of 60KV, the spraying flow process is followed successively by: priming paint, finish paint, finishing paint, baking (180-250 ℃) detects.Its technical parameter is seen upward shown in the table.
Embodiment 2 two-butanone 20%, Diethylene Glycol butyl ether 11%, hexone 4%, N-BUTYL ACETATE 5%, the additive that normal hexane master solution 60% is mixed with, all the other are identical with embodiment 1.Effect is also very good, and its technical parameter and last table are basic identical.
Embodiment 3 two-butanone 15%, Diethylene Glycol butyl ether 20%, hexone 3%, N-BUTYL ACETATE 6%, the additive that Skellysolve A master solution 56% is mixed with, all the other are identical with embodiment 1.Effect is also very good, and its technical parameter and last epiphase are together.
Claims (1)
1. additive is used in the fluorocarbon oil lacquer spraying that can increase electrostatic effect; It is characterized in that its prescription counts by the weight percent of moity: 2-butanone 15%-25%; Diethylene Glycol butyl ether 10%-20%, hexone 2%-4%, N-BUTYL ACETATE 3%-6%; Alkanes master solution 45%-70%, total amount satisfies 100%; Said alkanes master solution is methylcyclohexane, normal hexane or Skellysolve A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110248563 CN102268210B (en) | 2011-08-26 | 2011-08-26 | Additive capable of improving electrostatic effect for spraying fluorocarbon paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110248563 CN102268210B (en) | 2011-08-26 | 2011-08-26 | Additive capable of improving electrostatic effect for spraying fluorocarbon paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102268210A CN102268210A (en) | 2011-12-07 |
| CN102268210B true CN102268210B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110248563 Active CN102268210B (en) | 2011-08-26 | 2011-08-26 | Additive capable of improving electrostatic effect for spraying fluorocarbon paint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146242A (en) * | 2013-03-13 | 2013-06-12 | 常州市乾颖化工科技有限公司 | Paint thinner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111592799A (en) * | 2020-04-21 | 2020-08-28 | 抚顺市中普工程有限公司 | Fluorocarbon nano titanium static conductive coating |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740243A (en) * | 2004-08-25 | 2006-03-01 | 上海新大余氟碳喷涂材料有限公司 | Additive for raising spraying quality of fluorocarbon paint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5088195B2 (en) * | 2007-03-28 | 2012-12-05 | 日立化成工業株式会社 | Insulating film-coated powder and method for producing the same |
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2011
- 2011-08-26 CN CN 201110248563 patent/CN102268210B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740243A (en) * | 2004-08-25 | 2006-03-01 | 上海新大余氟碳喷涂材料有限公司 | Additive for raising spraying quality of fluorocarbon paint |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2009-40991A 2009.02.26 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146242A (en) * | 2013-03-13 | 2013-06-12 | 常州市乾颖化工科技有限公司 | Paint thinner |
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| Publication number | Publication date |
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| CN102268210A (en) | 2011-12-07 |
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