CN106810914A - A kind of coating composition for being applied to automobile crust - Google Patents
A kind of coating composition for being applied to automobile crust Download PDFInfo
- Publication number
- CN106810914A CN106810914A CN201710040402.8A CN201710040402A CN106810914A CN 106810914 A CN106810914 A CN 106810914A CN 201710040402 A CN201710040402 A CN 201710040402A CN 106810914 A CN106810914 A CN 106810914A
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- China
- Prior art keywords
- coating composition
- isopropanol
- automobile
- water
- metal oxide
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- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1618—Non-macromolecular compounds inorganic
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of coating composition for being applied to automobile crust, it is made up of the component of following percentage by weight：The water 0.08%~2.0% of 0.3%~2% metal oxide nanoparticles, 0.1%~2% dispersant, 0.001%~0.01% defoamer, 80%~90% mineral spirits, 10%~20% isopropanol and effective dose；Wherein, the addition mass ratio of the mineral spirits and isopropanol is 90: 10~10: 90.Coating composition of the present invention is easy to apply, and (wheel rim or windshield of chromium plating etc.) can form hydrophobic or super hydrophobic surface in many materials, and the surface water contact angle processed with the coating composition is 115 °~160 ° even more big；After coating composition of the present invention is applied to car body surface and is dried, self-cleaning hydrophobic layer is formed in car body surface, the hydrophobicity of car body surface can be effectively improved.
Description
Technical field
The present invention relates to a kind of coating composition, more particularly to a kind of coating composition for being applied to automobile crust.
Background technology
With the development of Domestic Automotive Industry, automobile has become the main trip vehicles.Automobile decoration, automobile are repaiied
The industries such as reason, Motor Maintenance are also into the stage for developing rapidly.When automobile is in the media such as air and weak acid, with the naked eye
The pollutant cleaning of glass surface pollution, coarse and dot etching sign, therefore windshield and wheel hub can be observed and goes
Except the maintenance for automobile is very important.
In order to keep the outward appearance of vehicle, it is necessary to apply coating to the exposed surface of car body, it is clear that target is to maintain these surfaces
It is clean.For example, the wheel rim on automobile experiences special rugged environment.Generally, its from brake(-holder) block has been gathered on the surface on wheel rim
" dirt " fragment of his type.When this chip is generally adhered on the surface of wheel rim when there is moisture, generally have only
Special grey or black.The discoloration of wheel not only compromises the outward appearance of vehicle, and may cause the outward appearance of wheel rim forever
Deterioration long.Accordingly, it would be desirable to wheel rim chip is all cleaned, but wheel rim all has complicated wheel rim design, simultaneously because chip pair
The obstinate adhesion of rim surface makes the cleaning on its surface become difficult.
It is existing at present various suitable for the hydrophobic of car body in order to prevent car body outer surface accumulating foulants and protect car body surface
Coating.These hydrophobic coatings repel to a certain extent by by water, car body surface is resisted accumulating foulants.But in the market
Hydrophobic coating there are many defects, for example they are difficult to apply, it is impossible to allow the car body surface to have enough hydrophobicitys.
Therefore one kind be easy to apply, it is durable, and it can make car body surface produce coating hydrophobic enough when applying
The exploitation of composition is necessary.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of coating composition for being applied to automobile crust, the coating
Composition can make car body surface produce enough hydrophobicitys when applying.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of coating composition for being applied to automobile crust, is made up of the component of following percentage by weight：0.3%~
2% metal oxide nanoparticles, 0.1%~2% dispersant, 0.001%~0.01% defoamer, 80%~90% mineral oil
The water 0.08%~2.0% of essence, 10%~20% isopropanol and effective dose；Wherein, the mineral spirits and isopropanol plus
It is 90: 10~10: 90 to enter mass ratio.
A kind of coating composition for being applied to automobile crust, is made up of the component of following percentage by weight：0.3%~
2% metal oxide nanoparticles, 0.1%~2% dispersant, 80%~90% mineral spirits, 10%~20% isopropanol with
And the water 0.08%~2.0% of effective dose；Wherein, the addition mass ratio of the mineral spirits and isopropanol is 90: 10~10:
90。
Wherein, the metal oxide nanoparticles are nano SiO 2 particle, aluminum oxide nanoparticle, titanium dioxide
One kind or any two or more combination in nano particle or Zinc oxide nanoparticle；The weight of metal oxide nanoparticles
Percentage preferably 0.3%~1%.
Wherein, the particle diameter of the metal oxide nanoparticles is 1nm~100nm.
Wherein, the dispersant is AEO or Tween 80；The percentage by weight of dispersant preferably 0.1%
~1.0%.
Wherein, the isopropanol can be substituted with methyl alcohol or ethanol.
Wherein, the addition mass ratio of the mineral spirits and isopropanol is more than 50: 50.
Wherein, the defoamer is organic silicon defoamer；The percentage by weight of defoamer preferably 0.001%~0.006%.
Wherein, the metal oxide nanoparticles use silane-modified treatment, and obtaining surface grafting has amino and/or hydroxyl
The metal oxide nanoparticles of base.
Compared to prior art, technical solution of the present invention have the advantage that for：
Coating composition of the present invention is easy to apply, and (wheel rim or windshield of chromium plating etc.) can be formed in many materials
Hydrophobic or super hydrophobic surface, the surface water contact angle processed with the coating composition is 115 °~160 ° even more big；When by originally
After invention coating composition is applied to car body surface and drying, self-cleaning hydrophobic layer is formed in car body surface, can effectively changed
The hydrophobicity of kind car body surface, thus effectively suppress to corrode and prevent chip, the attachment of dirt etc., and then effectively outside protection automobile
The cleaning and contamination resistance on surface；Finally, the durability of coating composition of the present invention is good, is also convenient for removing.
It is bonded with crust substrate by silane-modified metal oxide nanoparticles, and the steaming for passing through solvent
Bonding (coating) speed control of speed control silane group is sent out, so as to control the thickness and the uniformity of coating so that hydrophobic group
Functional group is uniformly coated in crust and forms one layer of coating of densification.
Specific embodiment
According to following embodiments, the present invention may be better understood.However, as it will be easily appreciated by one skilled in the art that real
Apply the content described by example and be merely to illustrate the present invention, without should also without limitation on sheet described in detail in claims
Invention.
Coating composition of the invention, its formula is：It is made up of the component of following percentage by weight：0.3%~2% metal
Oxide nano particles, 0.1%~2% dispersant, 0.001%~0.01% defoamer, 80%~90% mineral spirits, 10%
The water 0.08%~2.0% of~20% isopropanol and effective dose；Wherein, the addition mass ratio of the mineral spirits and isopropanol
It is 90: 10~10: 90.
Coating composition of the invention, its formula can also be：It is made up of the component of following percentage by weight：0.3%~
2% metal oxide nanoparticles, 0.1%~2% dispersant, 80%~90% mineral spirits, 10%~20% isopropanol with
And the water 0.08%~2.0% of effective dose；Wherein, the addition mass ratio of the mineral spirits and isopropanol is 90: 10~10:
90。
In coating composition of the present invention, metal oxide nanoparticles can be one or more metal oxide nano
The mixing of grain, metal oxide nanoparticles can be nano SiO 2 particle, aluminum oxide nanoparticle, nano titania
One kind or any two or more combination in particle or Zinc oxide nanoparticle；For not being intrinsic hydrophobic metal oxide
Nano particle, can make metal oxide nanoparticles hydrophobic by with suitable compound treatment, such as use organosilan, alkyl
Silane, fluorinated silane and/or disilazane, such as HMDS (HDMS) process metal oxide nanoparticles.Metal
The particle diameter of oxide nano particles is typically determined by the roughness on the surface of applying coating composition.
In coating composition of the present invention, alcohol can be the alcohol of water-soluble or moderate water solubility, such as methyl alcohol, ethanol or isopropanol
In one kind or arbitrary combination, preferred isopropanol.
Coating composition solvent of the present invention can be used together and compatible with surface to be coated selected from suitable with alcohol
One or more organic solvent, for security purposes and for reduces cost, can add solvent to be carried with by the flash-point of composition
Up to higher than the flash-point of single alcohol.Furthermore it is possible to select solvent to adjust the liquid when coating surface in composition from group
The evaporation rate of the film of compound.The preferred mineral spirits of solvent, such as mineral spirits of Rule 6, or hexane, heptane or its
Its nonpolar hydrocarbon solvents.
The coating composition of the present invention also water comprising effective dose, the presence of the water of effective dose is improved well in composition
The hydrophobicity of the coating being made from it, the presence of water can improve the hydrolysis ability and and substrate of silane in coating forming procedure
Cementitiousness.Water can be provided by above-mentioned alcohol, and/or independent addition.The effective dose of water can be 0.066%wt or more
Many, the effective dose of water depends on the ratio and its composition of the amount of solvent and alcohol.
Coating composition of the present invention is by the particle mean size of about percentage by weight 0.3wt%-1wt% in 1nm~10nm scopes
Interior nano SiO 2 particle, the solvent (mineral essential oil) and alcohol (isopropanol) that mass ratio is at least 50: 50, and effective dose
Water composition, the percentage by weight of the water of effective dose is 0.066%~2%, and the coating composition is formed on substrate surface
Coating has the water contact angle more than 115 °.
Coating composition drop of the present invention can form the film of composition on surface to be coated, alcohol, water in composition and
Solvent leaves hydrophobic particle from film surface evaporation on surface to be coated, and particle sticks to surface to be coated and can be formed
Discontinuous layer or continuous stratum granulosum, so as to improve the hydrophobicity on surface to be coated so that the water droplet being resident on surface to be coated
115 ° or bigger contact angle are formed relative to coating surface.
Embodiment 1
Coating composition of the present invention, is made up of the component of following percentage by weight：0.65% silane-modified silica
Nano particle, 0.1% AEO, 84.235% mineral essential oil, 14.934% isopropanol, 0.015% organosilicon
The water 0.066% of defoamer and effective dose；Wherein, the water of effective dose is that isopropanol brings.
By the coating composition of embodiment 1 to surface to be treated, the water droplet being resident in surface to be treated is relative to painting
Cover the contact angle that surface forms 115 °.
Embodiment 2
Coating composition of the present invention, is made up of the component of following percentage by weight：0.65% silane-modified silica
Nano particle, 0.1% AEO, 84.22% mineral essential oil, 14.934% isopropanol, 0.015% organosilicon disappear
The water 0.081% of infusion and effective dose；Wherein, the water of effective dose includes that additional 0.015% brings plus isopropanol
0.066%.
By the coating composition of embodiment 2 to surface to be treated, the water droplet being resident in surface to be treated is relative to painting
Cover the contact angle that surface forms 135 °.
Embodiment 3
Coating composition of the present invention, is made up of the component of following percentage by weight：0.65% silane-modified silica
Nano particle, 0.1% AEO, 84.109% mineral essential oil, 14.934% isopropanol, 0.015% organosilicon
The water 0.081% of defoamer and effective dose；Wherein, the water of effective dose includes that additional 0.126% brings plus isopropanol
0.066%.
By the coating composition of embodiment 3 to surface to be treated, the water droplet being resident in surface to be treated is relative to painting
Cover the contact angle that surface forms 150 °.
Embodiment 4
Coating composition of the present invention, is made up of the component of following percentage by weight：0.65% silane-modified silica
Nano particle, 0.115% AEO, 83.509% mineral essential oil, 14.934% isopropanol and effective dose
Water 0.792%；Wherein, the water of effective dose include additional 0.726% brought plus isopropanol 0.066%.
By the coating composition of embodiment 4 to surface to be treated, the water droplet being resident in surface to be treated is relative to painting
Cover the contact angle that surface forms 160 °.
Embodiment 5
Coating composition of the present invention, is made up of the component of following percentage by weight：0.65% silane-modified silica
Nano particle, 0.115% AEO, 83.309% mineral essential oil, 14.934% isopropanol and effective dose
Water 0.992%；Wherein, the water of effective dose include additional 0.926% brought plus isopropanol 0.066%.
By the coating composition of embodiment 5 to surface to be treated, the water droplet being resident in surface to be treated is relative to painting
Cover the contact angle that surface forms 160 °.
Embodiment 6
Coating composition of the present invention, is made up of the component of following percentage by weight：0.65% silane-modified silica
The water 1.992% of nano particle, 0.115% Tween 80,82.309% mineral essential oil, 14.934% isopropanol and effective dose；
Wherein, the water of effective dose include additional 1.926% brought plus isopropanol 0.066%.
By the coating composition of embodiment 6 to surface to be treated, the water droplet being resident in surface to be treated is relative to painting
Cover the contact angle that surface forms 159 °.
In coating composition of the present invention solvent as the water lock of coating prevent moisture premature evaporation influence coating composition cannot
Uniform point is spread and adsorbed, and the effect of alcohol is the evaporation for accelerating to can be very good after moisture evaporation, with solvent complex regulation composition
Speed.
Coating composition wetability of the present invention is good, it is easy to apply, can be in the orderly precipitation of surface to be treated and absorption, film
Layer dense regular, and the metal oxide nanoparticles being modified are strong in surface to be treated adhesive force, it is difficult for drop-off.
Better embodiment of the invention is the foregoing is only, protection scope of the present invention is not with above-mentioned implementation method
Limit, as long as the equivalent modification made according to disclosed content of those of ordinary skill in the art or change, should all include power
In protection domain described in sharp claim.
Claims (10)
1. a kind of coating composition for being applied to automobile crust, it is characterised in that：It is made up of the component of following percentage by weight：
0.3%~2% metal oxide nanoparticles, 0.1%~2% dispersant, 0.001%~0.01% defoamer, 80%~
The water 0.08%~2.0% of 90% mineral spirits, 10%~20% isopropanol and effective dose；Wherein, the mineral spirits and
The addition mass ratio of isopropanol is 90: 10~10: 90.
2. a kind of coating composition for being applied to automobile crust, it is characterised in that：It is made up of the component of following percentage by weight：
It is 0.3%~2% metal oxide nanoparticles, 0.1%~2% dispersant, 80%~90% mineral spirits, 10%~20% different
The water 0.08%~2.0% of propyl alcohol and effective dose；Wherein, the addition mass ratio of the mineral spirits and isopropanol is 90: 10
~10: 90.
3. the coating composition for being applied to automobile crust according to claim 1 and 2, it is characterised in that：The metal
Oxide nano particles are nano SiO 2 particle, aluminum oxide nanoparticle, titania nanoparticles or zinc-oxide nano
One kind or any two or more combination in particle.
4. the coating composition for being applied to automobile crust according to claim 1 and 2, it is characterised in that：The metal
The particle diameter of oxide nano particles is 1nm~100nm.
5. the coating composition for being applied to automobile crust according to claim 1 and 2, it is characterised in that：The dispersion
Agent is AEO or Tween 80.
6. the coating composition for being applied to automobile crust according to claim 1 and 2, it is characterised in that：The isopropyl
Alcohol can be substituted with methyl alcohol or ethanol.
7. the coating composition for being applied to automobile crust according to claim 1 and 2, it is characterised in that：The mineral
The addition mass ratio of olein and isopropanol is more than 50: 50.
8. the coating composition for being applied to automobile crust according to claim 1, it is characterised in that：The defoamer is
Organic silicon defoamer.
9. the coating composition for being applied to automobile crust according to claim 1 and 2, it is characterised in that：The metal
Oxide nano particles use silane-modified treatment, and obtaining surface grafting has the metal of hydrophobic grouping hydroxyl and hydrophilic radical amino
Oxide nano particles.
10. the coating composition for being applied to automobile crust according to claim 9, it is characterised in that：The silane is
HMDS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040402.8A CN106810914A (en) | 2017-01-19 | 2017-01-19 | A kind of coating composition for being applied to automobile crust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040402.8A CN106810914A (en) | 2017-01-19 | 2017-01-19 | A kind of coating composition for being applied to automobile crust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106810914A true CN106810914A (en) | 2017-06-09 |
Family
ID=59111953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710040402.8A Pending CN106810914A (en) | 2017-01-19 | 2017-01-19 | A kind of coating composition for being applied to automobile crust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106810914A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040242729A1 (en) * | 2003-05-30 | 2004-12-02 | 3M Innovative Properties Company | Stabilized particle dispersions containing surface-modified inorganic nanoparticles |
| CN105038338A (en) * | 2015-07-14 | 2015-11-11 | 湖北大学 | Transparent super-hydrophobic spraying agent, and preparation method and application thereof |
-
2017
- 2017-01-19 CN CN201710040402.8A patent/CN106810914A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040242729A1 (en) * | 2003-05-30 | 2004-12-02 | 3M Innovative Properties Company | Stabilized particle dispersions containing surface-modified inorganic nanoparticles |
| CN105038338A (en) * | 2015-07-14 | 2015-11-11 | 湖北大学 | Transparent super-hydrophobic spraying agent, and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 盖国胜等: "《粉体工程》", 31 December 2009, 清华大学出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170609 |