KR101639057B1 - Coating agent for restoring car headlights and restoring method for car headlights - Google Patents
Coating agent for restoring car headlights and restoring method for car headlights Download PDFInfo
- Publication number
- KR101639057B1 KR101639057B1 KR1020150040005A KR20150040005A KR101639057B1 KR 101639057 B1 KR101639057 B1 KR 101639057B1 KR 1020150040005 A KR1020150040005 A KR 1020150040005A KR 20150040005 A KR20150040005 A KR 20150040005A KR 101639057 B1 KR101639057 B1 KR 101639057B1
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
- B29C73/02—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using liquid or paste-like material
-
- 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
-
- C09D7/12—
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Paints Or Removers (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a new automobile headlight which is capable of not only restoring automobile headlights but also excellent light transmittance and gloss on the headlight surface and forming a coating layer having excellent abrasion resistance, scratch resistance and yellowing prevention And a method for restoring automotive headlights using the same.
According to the present invention, the coating agent comprises 70 to 75 parts by weight of a subject, 15 to 20 parts by weight of a diluent, and 5 to 10 parts by weight of a curing agent, based on 100 parts by weight of the total amount, 1 to 30 parts by weight of xylene, 0.1 to 20 parts by weight of methyl isobutyl ketone, 4 to 40 parts by weight of acrylic resin, 0.01 to 5 parts by weight of acrylic acid, 2-hydroxyethyl methacrylate 1 to 20 parts by weight of methyl acrylate, 1 to 20 parts by weight of methyl methacrylate, 1 to 20 parts by weight of methyl acrylate, 1 to 10 parts by weight of styrene, t-butyl peroxyacetate (t 1 to 2 parts by weight of butylacrylate-butyl peroxydiethylacetate, and 0.1 to 5 parts by weight of ceramic nano-particles, and a method for restoring automotive headlights using the same.
Description
The present invention relates to an automotive headlight coating material and a method for restoring automotive headlights using the same. More specifically, the present invention relates to a method for restoring a headlight of a vehicle, And to a method for restoring a headlight of an automobile using the same.
Generally, a headlight of an automobile is composed of a lamp, a reflector, and a cover for protecting the lamp, and the cover is formed of plastic, and a hard coating layer is formed on the surface of the cover. The headlights of these vehicles must maintain a certain level of brightness for safe operation.
However, when the vehicle is driven for about three to five years, the brightness of the automobile headlight is considerably lowered. In some cases, the brightness of the automobile headlight deteriorates due to a problem in the headlight lamp. However, in many cases, This is because the hard coating layer on the surface of the light cover is peeled off and scratches are generated, thereby decreasing the light transmittance of the hardlight cover of the automobile.
When the brightness of the automotive headlight deteriorates due to a problem with the vehicle headlight cover, it is necessary to replace the cover of the automobile headlight. However, since it is impossible to replace only the headlight cover due to the structure of the headlight, The entire set should be replaced.
However, since replacing the entire headlight requires a lot of cost, there are many cases where the headlight is simply used without replacing the headlight due to the economic burden. However, even if the brightness of the headlight is decreased, it is extremely dangerous to operate without replacing it because there is a high possibility of an accident.
On the other hand, methods for restoring the light transmittance of the automobile headlight cover have been proposed for such a problem. However, the conventional methods have a disadvantage in that it is difficult for the users to directly restore the headlight of the vehicle because the work process is complicated and the technical expertise is required.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a non-specialist who can easily and quickly restore an automobile headlight, has excellent light transmittance and gloss on the surface of a headlight and has excellent abrasion resistance, scratch resistance And a coating layer of an excellent physical property to prevent yellowing is formed so that the color of the headlight cover of the automobile can be changed according to need, .
According to one aspect of the present invention, the coating agent comprises 70 to 75 parts by weight of a subject, 15 to 20 parts by weight of a diluent, and 5 to 10 parts by weight of a curing agent, based on 100 parts by weight of the whole of the composition, 1 to 30 parts by weight of xylene, 0.1 to 20 parts by weight of methyl isobutyl ketone, 4 to 40 parts by weight of acrylic resin, 0.01 to 5 parts by weight of acrylic acid, 2-hydroxyethyl methacrylate ( 1 to 20 parts by weight of 2-hydroxyethyl methacrylate, 1 to 20 parts by weight of methyl methacrylate, 1 to 20 parts by weight of methyl acrylate, 1 to 10 parts by weight of styrene, 1 to 2 parts by weight of t-butyl peroxydiethylacetate, and 0.1 to 5 parts by weight of ceramic nanoparticles.
According to another aspect of the present invention, the acrylic resin is selected from the group consisting of urethane acrylate; Alcohol added in an amount of 1 to 30 parts by weight based on the urethane acrylate; Tetramethyl orthosilicate added in an amount of 5 to 35 parts by weight based on the urethane acrylate; Distilled water added at 4 to 10 times the molar amount of the tetramethyl orthosilicate; Polyoxyethylene nonyl phenyl ether; Wherein the polyoxyethylene nonylphenyl ether and the disilane are contained in an amount of 0.5 to 5 parts by weight and 0.5 to 5 parts by weight based on the total weight of the urethane acrylate, the alcohol, the tetramethyl orthosilicate and the distilled water, To 20 parts by weight.
According to another aspect of the present invention, the ceramic nanoparticles are selected from at least one of silica, alumina, zirconia, titanium dioxide, potassium oxide, silicon carbide, and have a particle size of 50 nm or less.
According to another aspect of the present invention, there is provided a method of manufacturing a vehicle headlight, comprising the steps of: attaching a masking tape to itself around a headlight cover of an automobile; Polishing the cover surface by sanding the surface of the automobile headlight cover; A process of degreasing the surface of a headlight cover of an automobile using a degreasing agent; Removing the masking tape; Washing the surface of the automobile headlight cover with water or a cleaning agent and drying the surface; Installing a protective cover around the car headlight cover; Coating a restoration coating agent on the surface of the automobile headlight cover; Drying the coated restoration coating agent; And removing the protective cover,
Wherein the restoration coating agent comprises 70 to 75 parts by weight of a subject, 15 to 20 parts by weight of a diluent, and 5 to 10 parts by weight of a curing agent, based on 100 parts by weight of the whole of the restoring coating agent, (2-hydroxyethyl methacrylate), 1 to 30 parts by weight of an acrylic resin, 0.1 to 20 parts by weight of methyl isobutyl ketone, 4 to 40 parts by weight of an acrylic resin, 0.01 to 5 parts by weight of acrylic acid, 1 to 20 parts by weight of methyl methacrylate, 1 to 20 parts by weight of methyl acrylate, 1 to 10 parts by weight of styrene, 1 to 10 parts by weight of t-butyl peroxydiethylacetate, 1 to 2 parts by weight, and ceramic nanoparticles in an amount of 0.1 to 5 parts by weight.
The present invention having the above-described structure is rapidly cured at room temperature, has excellent adhesiveness to a headlight cover, has high transparency, and is excellent in light transmittance and glossiness.
Therefore, restoring the automobile headlight using the coating agent according to the present invention is economical because it can achieve the same effect as replacing the headlight without replacing the headlight. In addition, since the surface of the headlight cover is polished, the coating agent is sprayed and then left to stand at room temperature for curing, non-experts can easily restore the automobile headlight. Especially, since the coating agent cures quickly at room temperature, Time is also shortened.
In addition, since the coating agent according to the present invention is excellent in yellowing resistance, abrasion resistance and scratch resistance, the automobile headlight recovered by using the coating agent according to the present invention has excellent physical properties, .
In addition, the user can change the color of the car headlight to the color desired by him / herself, so that the user can produce the color of the car headlight according to his / her own personality.
1 is a photograph before and after restoration of a headlight of a vehicle restored by the present invention.
2 to 4 are photographs of a car headlight color-coded by another embodiment of the present invention.
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
1 is a photograph before and after restoration of a headlight of a vehicle restored by the present invention.
The present invention relates to a coating agent for restoring an automobile headlight. The coating agent according to the present invention comprises 70 to 75 parts by weight of a subject, 15 to 20 parts by weight of a diluent, and 5 to 10 parts by weight of a curing agent, based on 100 parts by weight of the whole.
In the present invention, the above-mentioned subject matter comprises 1 to 30 parts by weight of xylene, 0.1 to 20 parts by weight of methyl isobutyl ketone, 4 to 40 parts by weight of an acrylic resin, 0.01 to 5 parts by weight of acrylic acid, 1 to 20 parts by weight of 2-hydroxyethyl methacrylate, 1 to 20 parts by weight of methyl methacrylate, 1 to 20 parts by weight of methyl acrylate, 1 to 2 parts by weight of t-butyl peroxydiethylacetate, and 0.1 to 5 parts by weight of ceramic nanoparticles.
The acrylic resin used in the subject matter includes urethane acrylate, an alcohol, tetramethyl orthosilicate, distilled water, polyoxyethylene nonyl phenyl ether, and disilane .
The alcohol is used for dissolving urethane acrylate, and at least one of methanol, ethanol, butanol, isobutanol, propanol and isopropanol is selected. The alcohol is added in an amount of 1 to 30 parts by weight based on 100 parts by weight of the urethane acrylate.
The tetramethylorthosilicate is an inorganic ceramic, which improves the scratch resistance of the coating. The tetramethyl orthosilicate is added in an amount of 5 to 35 parts by weight based on 100 parts by weight of the urethane acrylate.
The distilled water is used for hydrolyzing tetramethyl orthosilicate and added in an amount corresponding to 4 to 10 times the molar amount of tetramethyl orthosilicate. The polyoxyethylene nonylphenyl ether and the disilane are binders for binding the urethane acrylate and the tetramethyl orthosilicate. The polyoxyethylene nonylphenyl ether and the disilane are used in an amount of 0.5 to 5 wt% based on the total weight of the urethane acrylate, ethanol, tetramethyl orthosilicate, 0.5 to 20 parts by weight.
The acrylic resin having such a composition is a kind of the above-mentioned organic / inorganic hybrid type resin combined with urethane acrylate and tetramethyl orthosilicate, and is excellent in abrasion resistance and scratch resistance.
On the other hand, the ceramic nanoparticles are selected from among silica, alumina, zirconia, titanium dioxide, potassium oxide and silicon carbide. If the particle size of the ceramic nanoparticles is excessively large, sedimentation occurs in the coating agent, the surface of the coating layer becomes uneven, and the surface roughness is lowered. Therefore, those having a particle size of preferably 50 nm or less are preferably used.
In the coating agent according to the present invention, thinner is used as the diluent, and isocyanate-based hardener is used.
The coating material according to the present invention having such a composition according to the present invention is excellent in adhesion and is firmly adhered to a headlight cover of an automobile and has high transparency and is excellent in light transmittance and glossiness and is cured rapidly at room temperature, Is also prevented.
In addition, the main theme of the coating agent is a kind of the above organic / inorganic hybrid type in which urethane acrylate and tetramethyl orthosilicate are combined, and ceramic nanoparticles are added, so that they are also excellent in abrasion resistance and scratch resistance.
A method of restoring an automotive headlight using a coating agent having such a composition is as follows.
1) Attach a masking tape around the car headlight cover itself.
2) Sand the surface of the car head cover to polish the cover surface.
Preferably, the first sandpaper is formed with 400 silk cloth, then the second sandpaper is formed with 600 silk cloth, and finally, the third sandpaper is formed with 1000 silk cloth.
This process removes foreign matter from the surface of the headlight cover and improves the smoothness of the surface of the headlight cover, so that the coating agent is smoothly coated on the surface of the automotive headlight cover. Preferably, the surface of the headlight cover is smoothened by spraying water while spraying.
3) Clean the car headlight cover.
Clean the headlight cover surface with degreasing agent to degrease the headlight cover surface.
4) Remove the masking tape.
5) Clean the car headlight cover.
Clean the car headlight cover and the surrounding body with water or detergent, wipe off the water and dry it.
6) Install a protective cover around the car body near the car headlight cover.
The end of the protective cover is air-tightly fixed to the vehicle body using a tape so that the coating agent does not adhere to the vehicle body in a later process.
7) Coat the coating.
The above-described coating agent is sprayed onto the surface of the automobile headlight cover. Preferably, the coating is sprayed twice at intervals of about 2 or 3 minutes.
8) Dry the coating,
Prevent it for about 15 minutes to dry the coating layer.
9) Remove the protective cover.
Once the coating is dry, remove the protective cover.
When the car headlight is restored and processed like this, the effect of replacing the cover of the headlight of the car with a new one becomes effective.
Example
28 parts by weight of xylene was added to the reactor, and the temperature was maintained at about 140 캜. Then, 0.79 parts by weight of acrylic acid, 9 parts by weight of 2-hydroxyethyl methacrylate, 8 parts by weight of methyl methacrylate, 6 parts by weight of methyl acrylate, 7 parts by weight of styrene, and 2 parts by weight of t-butyl peroxyacetate The mixed solution was added dropwise to the reactor and allowed to react. After cooling to about 70 캜, 7 parts by weight of methyl isobutyl ketone was added.
30 parts by weight of the acrylic resin prepared by the above-described method and 3 parts by weight of silica are mixed with the reaction product to prepare a coating agent. 15 parts by weight of thinner and 10 parts by weight of MDI (methylenediphenyldiisocyanate) as a curing agent were mixed with 75 parts by weight of the thus prepared coating agent to prepare a coating agent.
The coating agent thus prepared was coated on a cover of an automobile headlight by the method as described above, and physical properties of the coating layer were tested.
As can be seen from Table 1, the coating agent according to the present invention is excellent in gloss and adhesion, and has a surface hardness of 2H, which is high in hardness and excellent in slat resistance I can guess. In addition, as a result of the abrasion resistance test, it is found that the abrasion resistance is merely about 1.0 g and the abrasion resistance is also excellent.
Item
Polish
Attachment
Surface hardness
Abrasion resistance
(Wear rate (g / 1000 times))
94 °
100/100
2H
1.0
* Gloss: The average value measured five times according to the 60 占 specular gloss test method of KS M 5000-3312 paint was taken.
* Adhesion test: According to the adhesion test method of the paint of ISO 2409, 11 lines are drawn so that the distance between the test pieces is 1 mm in length and length, respectively. The test pieces are pressed with cellophane adhesive tape and peeled off. The adhesive force was evaluated by the number of remaining pieces.
* Surface hardness test: Test method Mitsubishi [Uni x 45˚]
* Abrasion resistance test: The amount of abrasion around 1000 times was measured under a load of 1000 g, a wheel H-22, and a rotation speed of 60 rpm using a TABER type tester.
Hereinafter, other embodiments of the present invention will be described, and the same structures and effects as those of the above-described embodiments will not be described.
According to the present embodiment, the coating agent further contains 3 to 5 parts by weight of pigment. As the pigment, oil and inorganic pigments commonly used can be used.
The coating material containing the pigments is applied when the user desires to change the color of the headlight cover of the vehicle.
That is, when the user wants to change the white automobile headlight cover to red color or the like, in this case, the coating agent is further added with pigment, and unlike the case of restoring the automobile headlight, the automobile headlight cover is not polished Coating agent with pigment is coated on the headlight cover.
Figs. 2 to 4 show the color headlights of a vehicle
Pictures.
Further, in this embodiment, a correction agent for removing the coating agent is further provided.
The modifier according to the present invention is for removing the coated coating agent when the user changes the color of the headlight cover of the automobile using the coating agent but tries to change the color of the headlight cover to a different color because the color is unfavorable.
The amendment agent is composed of 70% by weight of acetone and 30% by weight of thinner. Use these modifiers to remove coatings on automotive headlight covers and coat other color coatings.
Thus, it is possible to perform repetitive coating operations with the use of the above-mentioned modifier, so that consumers can easily change the color of the headlight cover of a car in a desired color.
Claims (4)
Wherein the coating agent comprises 70 to 75 parts by weight of a subject, 15 to 20 parts by weight of a diluent, and 5 to 10 parts by weight of a curing agent,
The subject matter of the present invention is characterized by comprising 1 to 30 parts by weight of xylene, 0.1 to 20 parts by weight of methyl isobutyl ketone, 4 to 40 parts by weight of acrylic resin, 0.01 to 5 parts by weight of acrylic acid, 1 to 20 parts by weight of 2-hydroxyethyl methacrylate, 1 to 20 parts by weight of methyl methacrylate, 1 to 20 parts by weight of methyl acrylate, 1 to 10 parts by weight of styrene 1 to 2 parts by weight of t-butyl peroxydiethylacetate, and 0.1 to 5 parts by weight of ceramic nanoparticles.
The above-
Urethane acrylate;
Alcohol added in an amount of 1 to 30 parts by weight based on the urethane acrylate;
Tetramethyl orthosilicate added in an amount of 5 to 35 parts by weight based on the urethane acrylate;
Distilled water added at 4 to 10 times the molar amount of the tetramethyl orthosilicate;
Polyoxyethylene nonylphenyl ether; And
Disilane,
Wherein the polyoxyethylene nonylphenyl ether and the disilane are added in an amount of 0.5 to 5 parts by weight and 0.5 to 20 parts by weight based on the total weight of the urethane acrylate, the alcohol, the tetramethyl orthosilicate, and the distilled water, Light coating.
Wherein the ceramic nanoparticles are selected from at least one of silica, alumina, zirconia, titanium dioxide, potassium oxide and silicon carbide, and have a particle size of 50 nm or less.
A process of attaching a masking tape to itself around the automotive headlight cover;
Polishing the cover surface by sanding the surface of the automobile headlight cover;
A process of degreasing the surface of a headlight cover of an automobile using a degreasing agent;
Removing the masking tape;
Washing the surface of the automobile headlight cover with water or a cleaning agent and drying the surface;
Installing a protective cover around the car headlight cover;
Coating a restoration coating agent on the surface of the automobile headlight cover;
Drying the coated restoration coating agent; And
And removing the protective cover,
Wherein the restoration coating agent comprises 70 to 75 parts by weight of a subject, 15 to 20 parts by weight of a diluent, and 5 to 10 parts by weight of a curing agent,
The subject matter of the present invention is characterized by comprising 1 to 30 parts by weight of xylene, 0.1 to 20 parts by weight of methyl isobutyl ketone, 4 to 40 parts by weight of acrylic resin, 0.01 to 5 parts by weight of acrylic acid, 1 to 20 parts by weight of 2-hydroxyethyl methacrylate, 1 to 20 parts by weight of methyl methacrylate, 1 to 20 parts by weight of methyl acrylate, 1 to 10 parts by weight of styrene 1 to 2 parts by weight of t-butyl peroxydiethylacetate, and 0.1 to 5 parts by weight of ceramic nanoparticles.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150040005A KR101639057B1 (en) | 2015-03-23 | 2015-03-23 | Coating agent for restoring car headlights and restoring method for car headlights |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150040005A KR101639057B1 (en) | 2015-03-23 | 2015-03-23 | Coating agent for restoring car headlights and restoring method for car headlights |
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| KR101639057B1 true KR101639057B1 (en) | 2016-07-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101726583B1 (en) * | 2016-08-01 | 2017-04-13 | 최용제 | Coating agent for restoring car headlights |
| WO2018117330A1 (en) * | 2016-06-30 | 2018-06-28 | 주식회사 케이알이엠에스 | Automobile headlight for improving visibility during driving |
| CN109294433A (en) * | 2018-09-26 | 2019-02-01 | 雅图高新材料有限公司 | A kind of low VOC automobile varnish and preparation method thereof |
| KR102220460B1 (en) * | 2020-05-21 | 2021-02-25 | 노명관 | Hard coating method for vehicle |
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| KR950002388B1 (en) * | 1991-09-06 | 1995-03-17 | 제일모직주식회사 | Curable acrylic resin composition |
| KR100777478B1 (en) | 2007-07-24 | 2007-11-16 | 양창호 | Method for restoring lamp cover of vehicle healight |
| KR100845403B1 (en) * | 2007-04-16 | 2008-07-10 | 유창국 | Manufacturing method for organic-inorganic hybrid coating solution for ambient thermal polymerization |
| KR20120036549A (en) * | 2010-10-08 | 2012-04-18 | 유림특수화학 주식회사 | Multilayer coating film with excellent anti-fingerprint property and product with the same |
| KR101344532B1 (en) * | 2013-07-05 | 2013-12-26 | 김철환 | Method for restoring headlights of car and coating agent for restoring headlights of car |
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2015
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| KR950002388B1 (en) * | 1991-09-06 | 1995-03-17 | 제일모직주식회사 | Curable acrylic resin composition |
| KR100845403B1 (en) * | 2007-04-16 | 2008-07-10 | 유창국 | Manufacturing method for organic-inorganic hybrid coating solution for ambient thermal polymerization |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018117330A1 (en) * | 2016-06-30 | 2018-06-28 | 주식회사 케이알이엠에스 | Automobile headlight for improving visibility during driving |
| US11499697B2 (en) | 2016-06-30 | 2022-11-15 | Krems Co., Ltd | Vehicle headlight for improving visibility during operation |
| KR101726583B1 (en) * | 2016-08-01 | 2017-04-13 | 최용제 | Coating agent for restoring car headlights |
| CN109294433A (en) * | 2018-09-26 | 2019-02-01 | 雅图高新材料有限公司 | A kind of low VOC automobile varnish and preparation method thereof |
| CN109294433B (en) * | 2018-09-26 | 2020-12-01 | 雅图高新材料股份有限公司 | Low-VOC (volatile organic compound) automobile varnish and preparation method thereof |
| KR102220460B1 (en) * | 2020-05-21 | 2021-02-25 | 노명관 | Hard coating method for vehicle |
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