KR20090042479A - Sol-gel type nano-coating material for glass and ceramics - Google Patents
Sol-gel type nano-coating material for glass and ceramics Download PDFInfo
- Publication number
- KR20090042479A KR20090042479A KR1020070108260A KR20070108260A KR20090042479A KR 20090042479 A KR20090042479 A KR 20090042479A KR 1020070108260 A KR1020070108260 A KR 1020070108260A KR 20070108260 A KR20070108260 A KR 20070108260A KR 20090042479 A KR20090042479 A KR 20090042479A
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- glass
- resistance
- ceramics
- mirrors
- sol
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The present invention relates to a sol-gel type nano-coating agent having anti-fog, reduction and fouling resistance and abrasion resistance to surfaces of glass, mirrors, ceramics and the like, the technical spirit of which is a binder in the organic or inorganic form (fluoroalkylalkylsil- fluoroalkylalkylsilane) is formed in the form of a sol-gel, which is hydrolyzed and nano-coated to the surface of all glass materials, mirrors, and ceramics in the form of ultra thin films, which are uniformly and stably formed by spraying, dipping, roller coating, and manual work. As well as being coated with water (Hydrophobic) and oil-incompatible (Oleophobic) is characterized by having a strong fouling resistance, abrasion resistance, while the fog is significantly suppressed and reduced.
To this end, the present invention is applied to the surface of the glass, mirror and ceramic sol-gel-type nano-coating agent is formed so as to suppress and reduce the anti-fog, to increase the stain resistance and wear resistance, the mole ratio is 0.0001 ~ 3, the molecular formula is R a (R ' b ) SiX 4-a- b , wherein R is a fluoroalkyalkyl group, R' is an alkyl group, a must be 1,2 or 3, b is 0 Must be 1 or 2, a + b must be less than 4, and X is an alkoxy group or a tetrahalogen-containing water-soluble nanocoating solution composed of fluoroalkylalkylsilanes by hydrolysis. Nano-coated by reacting the surface of the glass, mirror and ceramic in the form of a thin film of 20 ~ 30nm thick.
In another embodiment, the present invention is composed of tetraalkoxysilane, tetrahalogensilane, hydroslysate of the tetraalkoxysilane, the tetrahalogensilane or tetraalkoxysilane. The organic or inorganic material of any one of the polymer composed of the tetraalkoxysilane and tetrahalogensilane should have a molar ratio of 0.0001 to 3 and a water-soluble nanocoating solution formed with a polymerization value of less than 6. It is deposited on the surface of the glass, mirrors and ceramics in the form of a thin film of 20 ~ 30nm thickness is applied to the surface of the glass, mirrors and ceramics are nano-coated to reduce and reduce the anti-fog, pollution and abrasion resistance.
Accordingly, the present invention ensures excellent durability such that the surface coating persistence of glass, mirrors, and ceramic materials is maintained for 10 years or more by a binder (fluoroalkylalkylsilane) coated with a thin film by hydrolysis. Abrasion resistance is excellently improved. In addition, the present invention prevents the natural surface abrasion of the glass and is harmless to the human body, does not change the properties of the material, has heat resistance up to 350 ℃, while curing at room temperature, the operation is rapid, the coating film is chemically Stable. In addition, the present invention does not damage the coating film to ultraviolet rays, while improving the resistance to steam, while reducing the surface tension has the effect of preventing foreign matter.
Description
The present invention relates to a sol-gel type nano-coating agent having anti-fog, reduction and fouling resistance and abrasion resistance to surfaces of glass, mirrors, ceramics and the like, the technical spirit of which is a binder in the organic or inorganic form (fluoroalkylalkylsil- fluoroalkylalkylsilane) is formed in the form of a sol-gel, which is hydrolyzed and nano-coated to the surface of all glass materials, mirrors, and ceramics in the form of ultra thin films, which are uniformly and stably formed by spraying, dipping, roller coating, and manual work. As well as being coated with water (Hydrophobic) and oil-incompatible (Oleophobic) is characterized by having a strong fouling resistance, abrasion resistance, while the fog is significantly suppressed and reduced.
That is, the present invention is an organic or inorganic binder-fluoroalkylalkylsilane for vehicle, marine, aircraft, and architectural window glass exposed to rainwater dust, as well as vacuum-deposited mirror surfaces and ceramic surfaces, ceramics, tiles, sanitary ware, etc. By coating and coating the coating film formed of the) is characterized in that the fog is suppressed or reduced, as well as the stain resistance, wear resistance, scratch resistance is greatly improved.
Most of the glass used in everyday life has a hydrophilic surface. Hydrophilic glass surfaces exhibit surface characteristics to which contaminants such as water droplets, moisture, and dust easily adhere.
In order to prevent contamination of the hydrophilic surface, the surface of the substrate should be made hydrophobic. Hydrophobic glass surface can maintain the inherent transparency of glass because it is difficult to attach contaminants such as water and dust.
The use of such hydrophobic glass is mainly used in automobiles, building interior / exterior materials, bathroom mirrors, greenhouse glass, fiber paper, etc., and is also used as a moisture proof glass to prevent water vapor from adhering to the glass surface.
Therefore, in order to give hydrophobicity to the glass surface, the surface free energy should be minimized by directly coating the compound having a hydrophobic functional group on the glass surface or by surface reaction by hydrolysis reaction.
In general, hydrophobic groups are mainly used as functional groups introduced to the surface modification, but some hydrophilic groups are used to increase adhesion and adhesion.
As compounds having a hydrophobic functional group known to date, polymers containing a perfluorine group and a silicone group in monomers are used.
The present invention is to solve the above-mentioned problem, and to form a sol-gel form a binder (fluoroalkylalkylsilane) of the organic or inorganic form, it is hydrolyzed to the surface of all glass materials, mirrors, ceramics Nano-coated in the form of ultra-thin film, this coating film is uniformly and stably applied by spraying, dipping, roller coating, manual work, etc., as well as being incompatible with water (Hydrophobic) and incompatible with oil (Oleophobic). It is a technical point that it has a pollution resistance and abrasion resistance, and a retardation is remarkably suppressed and reduced.
In order to achieve the above object, the present invention provides a sol-gel nanocoating agent applied to the surface of glass, mirror, and ceramic, and has a mole ratio of 0.0001 to 3, and a molecular formula of R a (R ' b ) SiX 4-ab. Wherein R is a fluoroalkyalkyl group, R 'is an alkyl group, a must be 1,2 or 3, b must be 0, 1 or 2, and a + b is 4 It should be smaller and X is an alkoxy group or a water-soluble nanocoating solution composed of fluoroalkylalkylsilane composed of tetrahalogen is 20-30 nm on the surface of glass, mirror and ceramic by hydrolysis. Nano-coated by reacting in the form of a thin film.
Meanwhile, in another embodiment of the present invention, in the sol-gel nanocoating agent applied to the surface of glass, mirror and ceramic, hydroslysate of tetraalkoxysilane, tetrahalogensilane, and tetraalkoxysilane The organic or inorganic substance of any of the tetraalkoxysilane, the tetrahalogensilane, or the polymer composed of the tetraalogenoxysilane, the tetrahalogensilane, should have a molar ratio of 0.0001 to 3 It is preferable that the water-soluble nanocoating solution, which is formed with a value of polymerization less than 6, is nanocoated by reacting the surface of glass, mirror, and ceramic in the form of a thin film having a thickness of 20 to 30 nm by hydrolysis.
As described above, the present invention ensures excellent durability such that the surface coating persistence of glass, mirror, and ceramic material is maintained for 10 years or more by a binder (fluoroalkylalkylsilane) coated with a thin film by hydrolysis. Therefore, the wear resistance is excellently improved.
In addition, the present invention prevents the natural surface abrasion of the glass and is harmless to the human body, does not change the properties of the material, has heat resistance up to 350 ℃, while curing at room temperature, the operation is rapid, the coating film is chemically Stable.
In addition, the present invention does not damage the coating film to ultraviolet rays, while improving the resistance to steam, while reducing the surface energy.
The coating agent, the coating method and the coating film of the present invention can be sampled and mass-produced in the application thereof, as well as by a spray method, a roller coating method, a dipping method and a rubbing method by gauze. Mass production is possible.
The substrate coated by the above-described method is greatly improved in scratch resistance, chemical resistance, and stain resistance, so that it can be applied to all glass, mirror and ceramic surfaces inside and outside the room, and change the original characteristics (phase change) of the substrate. There is no effect.
The present invention has the advantage that it can be applied to building structures and the like to ensure excellent durability against high humidity or hydrochloric acid.
The following describes an embodiment of the present invention.
First, the present invention is formed so as to nano-coated a binder made of an organic or inorganic compound on the surface of glass or ceramic, mirror, ceramics, etc. through hydrolysis, which is a sol-gel form by spraying, roller coating, dipping, gauze It is done by rubbing method.
In this case, it is preferable to use a fluoroalkylalkylsilane and a tetraalkoxysilane series as the binder.
That is, the fluoroalkylalkylsilane has a mole ratio of 0.0001 to 3 and a molecular formula of R a (R ′ b ) SiX 4-a- b .
In this case, R is a fluoroalkyalkyl group, and R 'is an alkyl group. This group is gelled by chemically bonding to any one of Sio2, Zro2, Tio2 and the like in substrates such as glass, ceramics and mirrors.
In this case, a must be 1,2 or 3, b must be 0, 1 or 2, a + b must be less than 4, and X is preferably an alkoxy group or tetrahalogen. Do.
In this case, the fluoroalkylalkylsilane is a water-soluble nanocoating solution composed of tetrahalogen and is deposited on the surface of glass, mirrors, and ceramics in the form of a thin film having a thickness of 20 to 30 nm by hydrolysis to be nano-coated. do.
The molecular structural formula according to this is as follows.
In this case, the fluoroalkylalkylsilane may be CF 3 (CH 2 ) 2 Si (OCH 3 ) 3 , CF 3 (CH 2 ) 2 SiCl 3 , CF 3 (CF 2 ) 5 (CH 2 ) 2 Si (OCH 3 ) 3 , CF 3 (CF 2 ) 5 (CH 2 ) 2 SiCl 3 , CF 3 (F 2 ) 7 (CH 2 ) 2 Si (OCH 3 ) 3 , CF 3 (CF 2 ) 7 (CH 2 ) 2 SiCl 3 , CF 3 (CF 2 ) 7 (CH 2 ) 2 SiCH 3 Cl 2 and CF 3 (CF 2 ) 7 (CH 2 ) 2 SiCH 3 (OCH 3 ) 2 .
Meanwhile, as another embodiment of the present invention, tetraalkoxysilane is composed of tetrahalogensilane, hydroslysate of the tetraalkoxysilane, tetrahalogensilane, or tetraalkoxysilane. Interchangeable with the organic or inorganic compound of any one of the polymer composed of the tetraalkoxysilane, tetrahalogensilane (tetrahalogensilane).
In this case, the above-described tetraalkoxysilane-based compound should have a molar ratio of 0.0001 to 3 and a polymerization value of less than 6, which is preferably hydrolyzed as a water-soluble nanocoating solution.
In this case, the tetraalkoxysilane-based thin film coating is preferably nano-coated by depositing a thin film having a thickness of 20 to 30 nm on the surface of glass, mirror, and ceramic.
In this case, the tetraalkoxysilane-based organic or inorganic compound includes Si (OC 2 H 5 ) 4 , Si (OCH 3 ) 4 , CH 3 Si (OCH 3 ) 3 , and Si (OC 3 H 7 ) 4 .
On the other hand, the above-mentioned organic or inorganic binders (fluoroalkylalkylsilanes, tetraalkoxysilanes) may be used on the surface of the substrate (glass, mirror, ceramic, etc.) by an appropriate coating method of brushing, dip coating, spraying, flow coating or spin coating. It can be applied to.
The organic binder is applied to the surface of the substrate and then heat-treated at room temperature for 24 hours or at 80 ° C. for 5 minutes to form a nano-thick coating film (coating film) on the inorganic surface.
After the coating is heated at a temperature of 100 ° C. or higher, preferably 100 to 400 ° C. for about 30 minutes, so that the binder is hydrolyzed and a coating film is formed thereon.
In this case, when the temperature is higher than 400 ℃, it is easy to insufficiently prevent the antifogging and anti-fouling coating treatment of the coating film, and after heating it is preferable to gently wipe the surface of the coating film with a dry cloth such as cotton cloth.
Accordingly, the coating film is preferably in the form of a thin film in the range of 20 ~ 30nm thickness.
The glass surface according to the present invention is not limited to a specific type, and organic glass, colored or colorless glass, curved or flat glass, tempered glass or plate glass, or laminated glass may be used.
The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070108260A KR20090042479A (en) | 2007-10-26 | 2007-10-26 | Sol-gel type nano-coating material for glass and ceramics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070108260A KR20090042479A (en) | 2007-10-26 | 2007-10-26 | Sol-gel type nano-coating material for glass and ceramics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20090042479A true KR20090042479A (en) | 2009-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020070108260A KR20090042479A (en) | 2007-10-26 | 2007-10-26 | Sol-gel type nano-coating material for glass and ceramics |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101220824B1 (en) * | 2010-06-29 | 2013-01-18 | (주) 태양기전 | Panel Coating Method |
| CN103756561A (en) * | 2013-12-26 | 2014-04-30 | 惠州市永卓科技有限公司 | Novel coating silica gel material for automobile safety airbag and preparation method thereof |
| US9751799B2 (en) | 2012-10-03 | 2017-09-05 | Corning Incorporated | Physical vapor deposited layers for protection of glass surfaces |
| KR20190115660A (en) | 2018-04-03 | 2019-10-14 | 임선학 | Coating composition of glass for bathroom and method for coating using thereof |
-
2007
- 2007-10-26 KR KR1020070108260A patent/KR20090042479A/en not_active Application Discontinuation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101220824B1 (en) * | 2010-06-29 | 2013-01-18 | (주) 태양기전 | Panel Coating Method |
| US9751799B2 (en) | 2012-10-03 | 2017-09-05 | Corning Incorporated | Physical vapor deposited layers for protection of glass surfaces |
| US10730788B2 (en) | 2012-10-03 | 2020-08-04 | Corning Incorporated | Physical vapor deposited layers for protection of glass surfaces |
| CN103756561A (en) * | 2013-12-26 | 2014-04-30 | 惠州市永卓科技有限公司 | Novel coating silica gel material for automobile safety airbag and preparation method thereof |
| CN103756561B (en) * | 2013-12-26 | 2016-02-24 | 惠州市永卓科技有限公司 | A kind of Novel automobile safety airbag coating silica gel material and preparation method thereof |
| KR20190115660A (en) | 2018-04-03 | 2019-10-14 | 임선학 | Coating composition of glass for bathroom and method for coating using thereof |
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