CN103360876B - A kind of fluorine carbon metal paint and preparation method thereof - Google Patents
A kind of fluorine carbon metal paint and preparation method thereof Download PDFInfo
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- CN103360876B CN103360876B CN201310316708.3A CN201310316708A CN103360876B CN 103360876 B CN103360876 B CN 103360876B CN 201310316708 A CN201310316708 A CN 201310316708A CN 103360876 B CN103360876 B CN 103360876B
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Abstract
The invention provides a kind of fluorine carbon metal paint and preparation method thereof, described fluorine carbon metal paint is to be formed by TFE, argentum powder dispersion, orientation dispersion liquid and levelling agent mixed preparing by a certain percentage.The fluorine carbon metal paint using the inventive method to prepare, improves the performances such as the brightness of fluorine carbon metal paint, color saturation, covering power, and weatherability is stronger.
Description
Technical field
The present invention relates to chemical field, specifically, relate to a kind of fluorine carbon metal paint and preparation thereof
Method.
Background technology
The physical property of the metallic paint coatings such as traditional polyurethane, alkyd, nitro is (hardness, attached
Put forth effort, pliability) and chemical property (thermostability, ageing resistance, anti-corrosive properties) far away can not
Meet the requirement for high-tech metallic paint coating performance of the modern industry.The seventies English, U.S., method
The F-C paint of batch production, and the fluorocarbon coating that the nineties develops rapidly in China is extremely
People favor.This is owing in the molecule of fluorocarbon resin, the unique of fluorine atomic structure of carbon forms fluorine
The performance free from worldly cares of carbon paint.Main group second round the 7th that fluorine element is in periodic chart, atom half
Footpath is little, electronegativity is maximum, and therefore fluorocarbon resin molecule is difficult to homolysis.Select the most former
Coating thermostability, ageing resistance, anti-corrosive properties and coating thickness that material is made, adhesive force, resistance to
The combination properties such as impact are better than traditional coating.Utilize the peculiar advantage of fluorocarbon resin, select to close
Suitable raw material and auxiliary agent make novel fluoro-carbon metallic paint, to overcome by advanced production technology
There are the problems such as aberration in the construction of metallic paint difficulty, film.
Summary of the invention
It is an object of the invention to provide a kind of novel fluorine carbon metal paint and preparation method thereof.
In order to realize the object of the invention, a kind of fluorine carbon metal paint of the present invention, by tetrafluoroethene tree
Fat, argentum powder dispersion, orientation dispersion liquid and levelling agent mixed preparing by a certain percentage form.
Wherein, the compound method of described argentum powder dispersion is: by aluminum paste with butyl acetate one
Under constant speed degree after stirring, add anti-settling agent and continue stirring, to obtain final product.
The compound method of described orientation dispersion liquid is: acetylbutyrylcellulose and butyl acetate are mixed
Close, make all to be dissolved into translucent milky white liquid with low-shearing force stirring, add aluminium powder fixed
Continue stirring to agent with certain speed, to obtain final product.
Described levelling agent is through fluorine-carbon modified polyacrylate flow agent, and it has the lowest table
Surface tension can lower unbalanced motive force and the mobility of aluminium powder in film, and levelability is splendid,
There are stronger defoaming effect and anti-shrinkage cavity effect, and do not affect recoatability.
Aforesaid fluorine carbon metal paint is that the component by following weight portion is formulated:
TFE 30-60
Argentum powder dispersion 10-20
Orientation dispersion liquid 25-50
Levelling agent 0.2-0.6
Wherein, in described argentum powder dispersion, aluminum paste, butyl acetate and anti-settling agent be by weight
For 5:4:1；In described orientation dispersion liquid, acetylbutyrylcellulose, butyl acetate and aluminium powder are fixed
3:14:3 it is calculated as by weight to agent；Aluminum paste be aluminium powder be dissolved in paraffin oil formation concentration be
The serosity of 70%.
The compound method of described anti-settling agent is: by TFE with butyl acetate certain
Under speed after stirring, add polyamide wax anti-settling agent and continue stirring, to obtain final product.Wherein, tetrafluoro
Vinyl, butyl acetate and polyamide wax anti-settling agent are calculated as 2:2:1 by weight.
The acetylbutyrylcellulose used in the present invention is CAB381-0.5, its performance parameter such as table
Shown in 1:
The performance parameter of table 1 CAB381-0.5
The aluminium powder directing agent used in the present invention is CATB-215, and its performance parameter is as shown in table 2:
The performance parameter of table 2 CATB-215
The polyacrylate flow agent used in the present invention is EFKA3777, and its performance parameter is such as
Shown in table 3:
The performance parameter of table 3 EFKA3777
The polyamide wax anti-settling agent used in the present invention is DISPARON6900-20X, its performance
Parameter is as shown in table 4:
The performance parameter of table 4 DISPARON6900-20X
The method that the present invention also provides for preparing above-mentioned fluorine carbon metal paint: by TFE and silver
Powder dispersion, directing agent dispersion liquid and levelling agent add in paint mixing kettle according to a certain percentage with necessarily
Speed stirring after, with butyl acetate adjust viscosity to 30-60s(-4 cup/23 ± 3 DEG C).
The butyl acetate used in the present invention prepares after distillation, condensation purify.
The fluorine carbon metal paint that the present invention provides has the advantage that
Use the inventive method prepare fluorine carbon metal paint, improve fluorine carbon metal paint brightness,
The performance such as color saturation, covering power, weatherability is stronger.
Use the fluorine carbon metal paint that the inventive method prepares compared with existing metallic paint, have more
Add the weatherability of excellence, fume resistance and self-cleaning.Can be widely applied to aluminium sheet, steel plate, mould
Material, glass, ceramics, fire-proof asbestos dividing plate, timber and the protection of cement wall surface and finishing,
As for metal curtain wall, link plate, bridge and highway railing, electric industry equipment etc..
Accompanying drawing explanation
Fig. 1 is that metallic paint carries out in the embodiment of the present invention daylight type accelerated ageing atmospheric exposure test
Result of the test.
Fig. 2 is metallic paint to carry out in the embodiment of the present invention WMMAQUA accelerate weatherability examination
The result of the test tested.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.If not
Specialize, the routine that technological means used in embodiment is well known to those skilled in the art
Means, raw materials used are commercial goods.
The acetylbutyrylcellulose CAB381-0.5 used in following example, purchased from Xi'an victory moral
Trade Co., Ltd；Aluminium powder directing agent CATB-215, purchased from Guangzhou Shang Hua Development Co., Ltd；
Polyacrylate flow agent EFKA3777, purchased from Xi'an Di Bang Chemical Co., Ltd.；Polyamide
Wax anti-settling agent DISPARON6900-20X, purchased from this chemical conversion of nanmu Co., Ltd. of Japan.
The preparation of embodiment fluorine carbon metal paint
(1) preparation of anti-settling agent
Fluorocarbon resin, butyl acetate addition mixed cylinder will be stirred with the speed of 1000r/min
30min, adds DISPARON6900-20X and continues stirring with the speed of 2000-3000r/min
20-30min, standby.
(2) preparation of argentum powder dispersion
First aluminum paste (aluminium powder is dissolved in paraffin oil, and concentration is 70%) is added with butyl acetate
In dispersion cylinder, stirring at low speed makes argentum powder dispersed, adds the 20%DISPARON prepared
Anti-settling agent liquid, continues to stir into homogeneous body, standby.
(3) preparation of directing agent dispersion liquid
CAB381-0.5 aluminium powder directing agent and butyl acetate are added and dissolves in cylinder, use the slow-speed of revolution
(less than 1000r/min) stirring is allowed to all be dissolved into translucent milky white liquid, adds
CATB-215 directing agent continues stirring 20-30min with the speed of 3000r/min, stores for future use.
By argentum powder dispersion, directing agent mixed liquor, tetrafluoroethene base fluorocarbon resin, change through fluorine carbon
Property polyacrylate flow agent EFKA3777 add in paint mixing kettle with 2000-3000r/min's
Speed stirring 40min, adjusts viscosity 30-60s(with butyl acetate and is coated with-4 glasss/23 ± 3 DEG C).
Each component proportion is as shown in table 5:
Each component proportion (percetage by weight, %) in table 5 fluorine carbon metal paint
| Composition | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Argentum powder dispersion | 16 | 16 | 16 | 14 | 14 | 12 |
| Directing agent dispersion liquid | 40 | 30 | 40 | 45 | 30 | 30 |
| TFE | 35 | 40 | 40 | 40 | 35 | 50 |
| Levelling agent EFKA3777 | 0.4 | 0.5 | 0.3 | 0.4 | 0.3 | 0.4 |
| Butyl acetate | 8.6 | 13.5 | 3.7 | 0.6 | 20.7 | 7.6 |
Use the fluorine carbon metal paint that the inventive method prepares compared with existing metallic paint, have more
Add the weatherability of excellence, fume resistance and self-cleaning.Can be widely applied to aluminium sheet, steel plate, mould
Material, glass, ceramics, fire-proof asbestos dividing plate, timber and the protection of cement wall surface and finishing,
As for metal curtain wall, link plate, bridge and highway railing, electric industry equipment etc..
Respectively to the novel fluoro-carbon metallic paint of preparation in the embodiment of the present invention 1 and existing acrylic acid tree
Fat metallic paint carries out daylight type accelerated ageing atmospheric exposure test, and test method is pressed
Artificial weathering aging and the man-made radiation of GB/T1865-2009 paint and varnish expose method of testing to the open air
Carry out.
Result of the test is as shown in Figure 1.
Respectively to the novel fluoro-carbon metallic paint of preparation in the embodiment of the present invention 1 and existing acrylic acid tree
Fat metallic paint carries out WMMAQUA accelerated weathering test, and test method presses ASTMG155
Xenon lamp aging method of testing is carried out.
Result of the test is as shown in Figure 2.
It addition, the present invention also in embodiment 1 preparation novel fluoro-carbon metallic paint with several frequently seen
Metallic paint carried out film abrasion resistance and compared, result is as shown in table 6.
Table 6 film abrasion resistance compares
| Coating type | Unit mass abrasion required time (h) |
| The novel fluoro-carbon metallic paint of preparation in embodiment 1 | 6000 |
| Acrylic resin metallic paint | 2400 |
| Nitrometal is painted | 1800 |
| Alkyd resin metallic paint | 1500 |
Although, the most with a general description of the specific embodiments the present invention has been made in detail
Most description, but on the basis of the present invention, it can be made some modifications or improvements, this is to this
It is apparent from for skilled person.Therefore, on the basis without departing from spirit of the present invention
Upper these modifications or improvements, belong to the scope of protection of present invention.
Claims (1)
1. a fluorine carbon metal paint, it is characterised in that mixed by the component of following weight portion and join
System forms；
Described fluorine carbon metal paint is prepared by following steps:
(1) preparation of anti-settling agent
TFE, butyl acetate addition mixed cylinder will be stirred with the speed of 1000r/min
30min, adds DISPARON6900-20X and continues stirring with the speed of 2000-3000r/min
20-30min, standby；TFE, butyl acetate and polyamide wax in described anti-settling agent
Anti-settling agent is calculated as 2:2:1 by weight；
(2) preparation of argentum powder dispersion
First aluminium powder is dissolved in paraffin oil, concentration be 70% aluminum paste and butyl acetate add dispersion
In cylinder, stirring at low speed makes argentum powder dispersed, adds the 20%DISPARON prepared anti-settling
Agent liquid, continues to stir into homogeneous body, standby；Aluminum paste, acetic acid fourth in described argentum powder dispersion
Ester and anti-settling agent are calculated as 5:4:1 by weight；
(3) preparation of dispersion liquid is oriented
CAB381-0.5 acetylbutyrylcellulose and butyl acetate being added dissolves in cylinder, with being less than
The stirring of 1000r/min rotating speed is allowed to all be dissolved into translucent milky white liquid, adds
CATB-215 directing agent continues stirring 20-30min with the speed of 3000r/min, stores for future use；
In described orientation dispersion liquid, acetylbutyrylcellulose, butyl acetate and CATB-215 directing agent are pressed
Weight portion is calculated as 3:14:3；
By argentum powder dispersion, orientation dispersion liquid, TFE, through fluorine-carbon modified poly-third
Olefin(e) acid ester levelling agent EFKA3777 adds the speed stirring in paint mixing kettle with 2000-3000r/min
40min, adjusts viscosity 30-60s with butyl acetate, and viscosity is coated with-4 glasss and records at 23 ± 3 DEG C.
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| CN104140708B (en) * | 2014-07-28 | 2016-07-27 | 黄能威 | A kind of rainbow agent |
| CN106752445A (en) * | 2016-12-14 | 2017-05-31 | 立邦涂料(成都)有限公司 | A kind of interiro wall latex paint and preparation method thereof |
| CN107057482A (en) * | 2017-06-29 | 2017-08-18 | 合肥达户电线电缆科技有限公司 | A kind of CCTV camera protective coating and preparation method thereof |
| CN109082168A (en) * | 2018-07-12 | 2018-12-25 | 山东佳星环保科技有限公司 | A kind of graphene fluorine carbon metal paint and preparation method thereof |
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