CN107474668A - A kind of white electrostatic spraying priming paint, preparation method and applications - Google Patents
A kind of white electrostatic spraying priming paint, preparation method and applications Download PDFInfo
- Publication number
- CN107474668A CN107474668A CN201710891392.9A CN201710891392A CN107474668A CN 107474668 A CN107474668 A CN 107474668A CN 201710891392 A CN201710891392 A CN 201710891392A CN 107474668 A CN107474668 A CN 107474668A
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- CN
- China
- Prior art keywords
- electrostatic spraying
- priming paint
- white
- spraying priming
- white electrostatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a kind of white electrostatic spraying priming paint, preparation method and applications, including following raw material：CPO is acrylic resin modified 40~55 parts, 0.5~2 part of dispersant, 10~20 parts of titanium dioxide, 10 20 points of conductive mica powder, 20~30 parts of 0.5~2 part of bentonite, 1~3 part of anti-settling agent and diluent.Compared with prior art, the white electrostatic spraying priming paint of the present invention is easily prepared, and cost is relatively low, and the adhesive force of coating (paint film) and the base material formed is good, electrostatic spraying varnishability is excellent, it is simultaneously of light color, it is easier to supporting white or brightly painted finish paint or intermediate coat.Resistance value is low, and cost is low, the matching excellent performance with finish paint.The coating that the white electrostatic spraying priming paint prepared by the present invention is formed, it can play a part of improving paint utilization rate in electrostatic spraying and reduce VOC.
Description
Technical field
The present invention relates to a kind of coating, more particularly to a kind of white electrostatic spraying priming paint, preparation method and applications.
Background technology
With automobile industry and develop rapidly, application of the nonmetal parts on automobile is more and more, because nonmetal parts
Non-conductive property, cause substantial amounts of workpiece needs manually to carry out application, the randomness of artificial application is big, color and vehicle electrostatic coat
The color matching of dress is poor, causes defect rate height.
Current industrialized static conductive coating based on doping type electrically-conducting paint (static conductive coating), can still be done at present
It is situated between for the conduction of doping type conduction/static conductive coating and miscellaneous has metal powder, conductive carbon powder, graphene, conductive carbon pipe, conductive titanium white
Powder, conductive mica powder etc..Wherein conductive metal powder has copper, nickel, silver powder etc., because than great, raw material are expensive, the reason such as oxidizable
And limit and use, it is mainly used for (resistance in EMI electromagnetic screen coatings<1Ω).Conductive titanium dioxide is non-carbon system raw material, headed by
Light-colored static conductive material is selected, is mainly used in terrace and crude oil stock tank anti-corrosion aspect before, is wanted for product fineness, resistance, color
Ask not high.
Home products quality is obvious in whiteness, fineness, resistance value and international top product gap, the big price limitation of dosage
Its use.
The content of the invention
It is an object of the invention to provide a kind of white electrostatic spraying priming paint and preparation method thereof, cost is relatively low, and is formed
Coating (paint film) and base material adhesive force is good, electrostatic spraying varnishability is excellent.
Another object of the present invention is to provide a kind of white electrostatic spraying priming paint in nonmetal parts electrostatic spraying
Using.
A kind of white electrostatic spraying priming paint provided by the invention, including following raw material：CPO is acrylic resin modified
40~55 parts, 0.5~2 part of dispersant, 10~20 parts of titanium dioxide, conductive mica powder 10-20 points, it is 0.5~2 part of bentonite, anti-
20~30 parts of 1~3 part of heavy agent and diluent.
The CPO acrylic resin modified is thermoplastic polymer, and content is 40wt%~55wt%, preferably 42wt%
~50wt%, optimal content are 46wt%.
The dispersant is selected from, but not limited to, modified polyurethane.
The mass ratio of the dispersant and titanium dioxide is 1:10~1:40, optimal proportion 1:20.
The average grain diameter of the titanium dioxide is 1000-1500 mesh；Two titanium oxide include but is not limited to Detitanium-ore-type
With any one in rutile titanium dioxide etc. or two or more combinations.The titanium dioxide contains in electrostatic spraying priming paint
10wt%~20wt% is measured, preferably 12wt%~18wt%, optimal content is 15wt%.
The conductive mica powder average grain diameter is 10~30 μm, preferably 12~15 μm；The conductive mica powder is in white
Content is 10wt%~20wt%, preferably 12wt%~18wt% in electrostatic spraying paint base system, and optimal content is 15wt%.
And/or the conductive mica powder whiteness is suitable with titanium dioxide.
The bentonitic particle diameter is 800-1200 mesh；Bentonite content in white electrostatic spraying paint base system is
0.5wt%~2wt%, preferably 0.8wt%~1.5wt%, optimal content are 1wt%.
The anti-settling agent is modified polyurea type；Anti-settling agent content in white electrostatic spraying paint base system is
1wt%~3wt%, preferably 1.2wt%~2wt%, optimal content are 1.5wt%.
The diluent is the mixture of dimethylbenzene and toluene.Preferably, the ratio of dimethylbenzene and toluene in the diluent
Example is 1：1.
A kind of preparation method of white electrostatic spraying priming paint provided by the invention, comprises the following steps：
1) formula ratio dispersant, conductive mica powder and titanium dioxide are evenly spread in dimethylbenzene, adds CPO modifications
Acrylic resin, stirring, form the first mixture；
2) bentonite is scattered in toluene, stirred, uniformly mixing, form the second mixture；
3) the first mixture and the second mixture are mixed, and adds anti-settling agent, be well mixed, grinding, it is quiet to produce white
EFI is primed.
Stirring refers to stir 25-35min under the conditions of 1500r/min described in step 1).
Stirring refers to stir 25-35min under the conditions of 1000r/min described in step 2).
Grinding described in step 3) refers to be ground to fineness less than 20 microns.
A kind of application of the white electrostatic spraying priming paint provided by the invention in nonmetal parts electrostatic spraying.
Concrete application method is：
In the white electrostatic spraying priming paint of the above-mentioned preparation of non-metallic substrate surface spraying, film-forming, you can.
The film-forming refers to solidify at room temperature.
The non-metallic substrate includes ABS materials or PP materials.
In inventive formulation, conductive mica powder is added, but because itself not possessing covering power, the present invention selects by selecting
The conductive mica powder that suitable coating mode is manufactured is selected, the color of titanium white can not be influenceed, accomplished white as conductive titanium white
Effect is spent, while the cost using conductive titanium white can be greatly reduced again.Compared with prior art, white electrostatic of the invention
Prime easily prepared, cost is relatively low, and the adhesive force of coating (paint film) and the base material formed is good, electrostatic spraying varnishability is excellent
It is different while of light color, it is easier to supporting white or brightly painted finish paint or intermediate coat.Resistance value is low, and cost is low, with finish paint
Matching excellent performance.The coating that the white electrostatic spraying priming paint prepared by the present invention is formed, can play in electrostatic spraying and carry
Height paint utilization rate simultaneously reduces VOC effect.
Embodiment
The present invention is described in more detail below in conjunction with some case study on implementation, but the embodiment is not formed to the present invention
Limitation.
Embodiment 1
A kind of white electrostatic spraying priming paint, including following raw material, see the table below 1：
A kind of preparation of white electrostatic spraying priming paint：Comprise the following steps：
1.5g polyurethane dispersants, 12g Conductive micas are dispersed in 15 grams of dimethylbenzene, 1500r/min stirring 30min,
Then sequentially add 15g titanium dioxide, stir, by obtained dispersed paste be added to 40gCPO it is acrylic resin modified in, then
Add 1 gram of bentonite and 14.5 grams of toluene mixtures, 1000r/min stirrings 25min；1 gram of anti-settling agent is added, is stirred,
Fineness is ground to less than 20 microns, you can obtain white conductive priming paint.
In non-metallic substrate surface spraying white electrostatic spraying priming paint described above, film-forming at room temperature.Coating
Adhesive force, colour and resistance and soaking-resistant performance are shown in Table 2.
Embodiment 2
A kind of white electrostatic spraying priming paint, including following raw material, see the table below 1：
A kind of preparation of white electrostatic spraying priming paint：Comprise the following steps：
1g polyurethane dispersants, 15g Conductive micas are dispersed in 10 grams of dimethylbenzene, 1500r/min stirring 30min, so
After sequentially add 20g titanium dioxide, stir, by made dispersed paste be added to 40gCPO it is acrylic resin modified in, sequentially add
The mixture of 1.5 grams of bentonites and 11 grams of toluene, 1000r/min stirrings 25min；Add 1.5 grams of anti-settling agents and stir,
Fineness is ground to less than 20 microns, you can obtain white conductive priming paint.
In non-metallic substrate surface spraying white electrostatic spraying priming paint described above, film-forming at room temperature.Coating
Adhesive force, colour and resistance and soaking-resistant performance are shown in Table 2.
Embodiment 3
A kind of white electrostatic spraying priming paint, including following raw material, see the table below 1：
A kind of preparation of white electrostatic spraying priming paint：Comprise the following steps：
1.2g polyurethane dispersants, 14g Conductive micas are dispersed in 11 grams of dimethylbenzene, 1500r/min stirring 30min,
Then sequentially add 15g titanium dioxide, stir, by made dispersed paste be added to 45gCPO it is acrylic resin modified in, successively plus
Enter the mixture of 1.2 grams of bentonites and 11.4 grams of dimethylbenzene, 1000r/min stirrings 25min；1.2 grams of anti-settling agents are added, are stirred
Uniformly, fineness is ground to less than 20 microns, you can obtains white conductive priming paint.
In non-metallic substrate surface spraying white electrostatic spraying priming paint described above, film-forming at room temperature.Coating
Adhesive force, colour and resistance and soaking-resistant performance are shown in Table 2.
Comparative example 1
A kind of white electrostatic spraying priming paint, including following raw material, see the table below 1：
According to method as described in Example 1, difference is to change 12g conductive mica powders into 15g common conductive clouds
Female DC-40 (Gou Zhijun rivers company), priming paint, in non-metallic substrate surface spraying white electrostatic spraying priming paint described above, room
The lower film-forming of temperature.Adhesive force, colour and the resistance and soaking-resistant performance of coating are shown in Table 2.
Table 1 is formulated
The comprehensive physical performance of static conductive priming paint in the 1-3 of the embodiment of the present invention of table 2 and comparative example 1
It should be appreciated that the technical concepts and features of above-described embodiment only to illustrate the invention, its object is to allow be familiar with this
The personage of item technology can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
The equivalent change or modification made according to spirit of the invention, it should all be included within the scope of the present invention.
Claims (10)
1. a kind of white electrostatic spraying priming paint, it is characterised in that the white electrostatic spraying priming paint includes following raw material：
CPO is acrylic resin modified 40~55 parts, 0.5~2 part of dispersant, 10~20 parts of titanium dioxide, 10-20 points of conductive mica powder,
20~30 parts of 0.5~2 part of bentonite, 1~3 part of anti-settling agent and diluent.
2. white electrostatic spraying priming paint according to claim 1, it is characterised in that the CPO is acrylic resin modified to be
Thermoplastic polymer, content are 40wt%~55wt%.
3. white electrostatic spraying priming paint according to claim 1 or 2, it is characterised in that the dispersant is selected from but unlimited
In modified polyurethane.
4. the white electrostatic spraying priming paint according to claim any one of 1-3, it is characterised in that the dispersant and dioxy
The mass ratio for changing titanium is 1:10~1:40.
5. the white electrostatic spraying priming paint according to claim any one of 1-4, it is characterised in that the titanium dioxide is put down
Equal particle diameter is 1000-1500 mesh.
6. the white electrostatic spraying priming paint according to claim any one of 1-5, it is characterised in that the conductive mica powder is put down
Equal particle diameter is 10~30 μm.
7. the white electrostatic spraying priming paint according to claim any one of 1-6, it is characterised in that the anti-settling agent is modification
Polyureas type；The diluent is the mixture of dimethylbenzene and toluene.
A kind of 8. preparation method of the white electrostatic spraying priming paint described in claim 7, it is characterised in that the preparation method bag
Include following steps：
1) formula ratio dispersant, conductive mica powder and titanium dioxide are evenly spread in dimethylbenzene, adds CPO modified propylenes
Acid resin, stirring, form the first mixture；
2) bentonite is scattered in toluene, stirred, uniformly mixing, form the second mixture；
3) the first mixture and the second mixture are mixed, and adds anti-settling agent, be well mixed, grinding, produce white electrostatic
Prime.
9. preparation method according to claim 9, it is characterised in that grinding refers to be ground to fineness small described in step 3)
In 20 microns.
A kind of 10. application of the white electrostatic spraying priming paint in nonmetal parts electrostatic spraying described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891392.9A CN107474668A (en) | 2017-09-27 | 2017-09-27 | A kind of white electrostatic spraying priming paint, preparation method and applications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710891392.9A CN107474668A (en) | 2017-09-27 | 2017-09-27 | A kind of white electrostatic spraying priming paint, preparation method and applications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107474668A true CN107474668A (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710891392.9A Pending CN107474668A (en) | 2017-09-27 | 2017-09-27 | A kind of white electrostatic spraying priming paint, preparation method and applications |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019462A (en) * | 2019-12-27 | 2020-04-17 | 常州纳欧新材料科技有限公司 | Polypropylene-oriented conductive primer and preparation method thereof |
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| CN102492097A (en) * | 2011-12-05 | 2012-06-13 | 江苏柏鹤涂料有限公司 | Modified acrylic resin as well as paint and application thereof |
| CN103756514A (en) * | 2014-01-17 | 2014-04-30 | 广州集泰化工有限公司 | Waterborne two-component light-color in-tank electrostatic conduction anticorrosive paint and preparation method thereof |
| CN104109427A (en) * | 2014-06-23 | 2014-10-22 | 重庆华辉涂料有限公司 | Light-gray conductive primer for PP material bumper electrostatic coating and preparation method thereof |
-
2017
- 2017-09-27 CN CN201710891392.9A patent/CN107474668A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492097A (en) * | 2011-12-05 | 2012-06-13 | 江苏柏鹤涂料有限公司 | Modified acrylic resin as well as paint and application thereof |
| CN103756514A (en) * | 2014-01-17 | 2014-04-30 | 广州集泰化工有限公司 | Waterborne two-component light-color in-tank electrostatic conduction anticorrosive paint and preparation method thereof |
| CN104109427A (en) * | 2014-06-23 | 2014-10-22 | 重庆华辉涂料有限公司 | Light-gray conductive primer for PP material bumper electrostatic coating and preparation method thereof |
Non-Patent Citations (6)
| Title |
|---|
| 倪玉德: "《涂料制造技术》", 31 July 2003, 化学工业出版社 * |
| 李肇强: "《现代涂料的生产及应用（第二版）》", 31 March 2017, 上海科学技术文献出版社 * |
| 杨保祥等: "《钛基材料制造》", 31 January 2015, 冶金工业出版社 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019462A (en) * | 2019-12-27 | 2020-04-17 | 常州纳欧新材料科技有限公司 | Polypropylene-oriented conductive primer and preparation method thereof |
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Application publication date: 20171215 |