KR20160113359A - ceramic coating materials having eco-friendly and energy saving characteristic - Google Patents
ceramic coating materials having eco-friendly and energy saving characteristic Download PDFInfo
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- KR20160113359A KR20160113359A KR1020150037428A KR20150037428A KR20160113359A KR 20160113359 A KR20160113359 A KR 20160113359A KR 1020150037428 A KR1020150037428 A KR 1020150037428A KR 20150037428 A KR20150037428 A KR 20150037428A KR 20160113359 A KR20160113359 A KR 20160113359A
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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
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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
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- C09D7/001—
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- C09D7/125—
Abstract
A ceramic coating agent having energy saving and environmentally friendly properties is disclosed.
The ceramic coating agent according to an embodiment of the present invention is a ceramic coating agent,
(A) based on 100 parts by weight of solvent, silica (SiO 2) 20 to 80 parts by weight; Alumina (Al 2 O 3) 3 to 15 parts by weight; 2 to 10 parts by weight of a component selected from the group consisting of zirconia (ZrO 2 ), titania (TiO 2 ), yttria (Yi 2 O 3 ) and mixtures thereof; (A) comprising 0.1 to 3 parts by weight of a silicone oil polymer and
(B) 20 to 60 parts by weight of GPTMS (glycidoxy propyl tri-methoxy silane) based on 100 parts by weight of methyl tri-methoxy silane (MTMS)
60 to 140 parts by weight of the composition (B) based on 100 parts by weight of the composition (A) are mixed and preaged at a temperature of 15 to 25 DEG C for 10 to 50 hours.
Description
The present invention relates to a ceramic coating agent, and more particularly, to a ceramic coating agent which does not contain heavy metals and environmental hormone substances (PFOA, etc.), and has energy saving and environmentally friendly characteristics that can reduce energy consumed for aging for curing after coating ≪ / RTI >
The ceramic coating agent refers to a functional material that imparts various characteristics such as heat resistance, flame retardancy, corrosion resistance, stain resistance, abrasion resistance, etc. to the surface of a matrix such as metal, wood, glass, and concrete using a ceramic component.
Various types of ceramic coating agents are currently used depending on the type of matrix to be coated and characteristics to be imparted.
However, the conventional ceramic coating agent contains heavy metals and environmental hormone substances, or when the coating agent is applied to the surface of the matrix, the aging temperature for curing is as high as about 250 to 300 캜, and when the coating is carried out at a temperature lower than 250 캜, There is a problem that excessive energy is required.
Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made in an effort to solve the above problems, and it is an object of the present invention to provide an energy saving agent capable of aging for curing at low temperature without containing heavy metals and environmental hormone substances, It is an object of the present invention to provide a ceramic coating agent having environment-friendly properties.
In order to achieve the above object, the present invention provides a ceramic coating agent,
(A) based on 100 parts by weight of solvent, silica (SiO 2) 20 to 80 parts by weight; Alumina (Al 2 O 3) 3 to 15 parts by weight; 2 to 10 parts by weight of a component selected from the group consisting of zirconia (ZrO 2 ), titania (TiO 2 ), yttria (Yi 2 O 3 ) and mixtures thereof; (A) comprising 0.1 to 5 parts by weight of a silicone oil polymer; and
(B) 20 to 60 parts by weight of GPTMS (glycidoxy propyl tri-methoxy silane) based on 100 parts by weight of methyl tri-methoxy silane (MTMS)
Mixing 60 to 140 parts by weight of the composition (B) based on 100 parts by weight of the composition (A), and preaging the mixture at a temperature of 15 to 25 DEG C for 10 to 50 hours.
The solvent is not particularly limited, but is preferably selected from water, alcohols and mixtures thereof.
The composition (A) may further contain 0.5 to 5 parts by weight of a color pigment based on 100 parts by weight of the solvent.
The pH of the mixed solution of the composition (A) and the composition (B) is preferably 5 to 9.
According to the present invention described above, it is possible to form a homogeneous coating-cured coating film having excellent quality without containing heavy metals and environmental hormone materials, and it is possible to cure the coating agent even at a relatively low temperature of 50 to 150 ° C, . ≪ / RTI >
1 is a view illustrating a process for producing a ceramic coating agent according to an embodiment of the present invention.
Fig. 2 is a photograph of the ceramic coating agent according to the second embodiment of the present invention coated on a steel sheet and cured. Fig.
BRIEF DESCRIPTION OF THE DRAWINGS FIG.
The present invention provides a ceramic coating agent having energy saving and environmentally friendly characteristics. The ceramic coating agent according to an exemplary embodiment of the present invention,
(A) based on 100 parts by weight of solvent, silica (SiO 2) 20 to 80 parts by weight; Alumina (Al 2 O 3) 3 to 15 parts by weight; 2 to 10 parts by weight of a component selected from the group consisting of zirconia (ZrO 2 ), titania (TiO 2 ), yttria (Yi 2 O 3 ) and mixtures thereof; (A) comprising 0.1 to 5 parts by weight of a silicone oil polymer; and
(B) 20 to 60 parts by weight of GPTMS (glycidoxy propyl tri-methoxy silane) based on 100 parts by weight of methyl tri-methoxy silane (MTMS)
Mixing 60 to 140 parts by weight of the composition (B) based on 100 parts by weight of the composition (A), and preaging the mixture at a temperature of 15 to 25 DEG C for 10 to 50 hours.
Among the components of the ceramic coating agent as described above, the components constituting the composition (A) will be described first.
The solvent is not particularly limited, but is preferably selected from water, alcohols and mixtures thereof in consideration of environmental characteristics.
The silica (SiO 2 ) is preferably used as a component of the coating film to be resistant to weathering, strength and corrosion resistance, and is preferably used in an amount of 20 to 80 parts by weight based on 100 parts by weight of the solvent. When the amount of silica is less than the lower limit, Corrosion resistance may not be sufficient. If the amount of silica exceeds the upper limit value, the dispersibility may deteriorate, which is not preferable from the economical point of view.
The silica may be recycled silica as well as new silica. When recycled silica is used, it is possible to reduce the cost as well as the recycling of resources. As the regenerated silica, for example, amorphous silica produced through a hydrolysis reaction of hydrofluoric acid (H 2 SiF 6 ), which is a by-product in a phosphoric acid fertilizer manufacturing process, may be used.
The alumina (Al 2 O 3 ) is preferably used in an amount of 3 to 15 parts by weight based on 100 parts by weight of the solvent, which is a component related to abrasion resistance and heat resistance of the coating film. When the amount of alumina is less than the lower limit, And when the amount of alumina exceeds the upper limit value, the dispersibility is lowered, which is not preferable from the economical point of view.
The alumina may be recycled alumina as well as new alumina. When reclaimed alumina is used, it is possible to reduce the cost as well as the recycling of resources. For example, recycled alumina can be obtained by pyrolyzing waste powder (WMP), which is a byproduct of polishing and processing of artificial marble, and separating volatile MMA, purifying it, recovering pure MMA and utilizing recovered alumina powder have.
The above zirconia (ZrO 2 ), titania (TiO 2 ) and yttria (Yi 2 O 3 ) are components involved in the surface hardness (scratch resistance) and heat resistance of the coating film. Or all three components may be used. It is preferable that the solvent is used in an amount of 2 to 10 parts by weight based on 100 parts by weight of the solvent. If the amount is less than the lower limit, surface hardness and heat resistance may not be sufficient, When the amount of use exceeds the upper limit value, the dispersibility is deteriorated and it is not preferable from the economical point of view.
The silicone oil polymer is a component involved in the polymerization reaction of the ceramic to improve the surface properties of the coating film, and various types of silicone oil polymers may be used. For example, metal hydrogensilicon oil may be used. The silicone oil polymer is preferably used in an amount of 0.1 to 5 parts by weight based on 100 parts by weight of the solvent. If the amount of the silicone oil polymer is less than the lower limit, the effect of improving the surface properties may be insufficient, If the amount of the polymer used exceeds the upper limit value, the quality of the coating film formed by the unreacted oil may deteriorate, which is not preferable.
Next, components constituting the composition (B) will be described.
Composition (B) consists of a mixture of methyl tri-methoxy silane (MTMS) and glycidoxy propyl tri-methoxy silane (GPTMS). The dual MTMS is involved in improving the strength of the coating film and the dispersibility of the ceramic, and GPTMS is involved in improving the adhesion of the coating to the substrate (matrix) and the dispersibility of the ceramic. These components are mixed with 20 to 60 parts by weight of GPTMS on the basis of 100 parts by weight of MTMS. If the mixing ratio is out of the above range, the strength of the coating film, the adhesion to the substrate and the dispersibility of the ceramic are lowered.
The ceramic coating agent according to the present invention may be prepared by preparing the composition (A) and the composition (B) as shown in FIG. 1 and then adding 60 to 140 parts by weight of the composition (B) based on 100 parts by weight of the composition (A) Mixing and preaging at a temperature of 15 to 25 DEG C for 10 to 50 hours.
The mixing ratio of the composition (A) and the composition (B) is an optimum ratio obtained after countless repeated experiments in consideration of the physical properties involved in each of the above-mentioned components. That is, the mixing ratio is an optimum ratio obtained by considering the control of the curing speed of the ceramic coating film and the quality stability, and when the mixing ratio is less than the lower limit value, the curing rate may be delayed and the film strength may be poor, It is not preferable from the viewpoint of economy that the surface of the coating film may be defective due to rapid curing.
One of the main features of the present invention is that the composition (A) and the composition (B) are mixed and preaged under specific conditions. That is, by selecting appropriate components and inducing sufficient contact of the respective components constituting the composition (A) and the composition (B) in the process of pre-aging the composition under specific conditions, the coating process is applied to the substrate and the aging process It is possible to perform at a very low temperature. Pre-aging is a process of sufficiently stirring the composition (A) and the composition (B) at a temperature of 15 to 25 캜 for 10 to 50 hours. When the temperature and time of pre-aging are below the lower limit, Is lowered and sufficient contact of the respective components constituting the composition (A) and the composition (B) is not induced, which may undesirably lower the effect peculiar to the present invention in pre-aging, and the pre- , There is a fear that the ceramic powder will settle down due to the decrease in viscosity. When the pre-aging time exceeds the upper limit value, there is a fear that the viscosity will increase during the ceramic coating due to excessive aging and the dispersibility will decrease Which is undesirable.
The pH of the mixture of the composition (A) and the composition (B) is preferably adjusted to 5 to 9, and will be described below.
The pH of the mixed solution obtained by mixing the composition (A) and the composition (B) is in the range of 2 to 4. A basic substance such as KOH and ammonia water is added as a pH adjusting agent to adjust the pH range of the mixture to 5 to 9. The pH adjusting agent may be added to the composition (A) or the composition (B) in advance by calculating the type and amount of each component to be added, or the composition (A) and the composition (B) may be mixed and then added. As described above, when the pH of the mixed solution is changed to 5 to 9, the gelation time required for curing can be shortened as compared with the case where the pH is 2 to 4.
Further, the composition (A) may further contain 0.5 to 5 parts by weight of a color pigment based on 100 parts by weight of the solvent, which is a known technique, and thus a detailed description thereof will be omitted.
Hereinafter, the present invention will be described in more detail with reference to Examples and Test Examples.
Example: Preparation of ceramic coating agent
A mixture of 100 g of distilled water and 20 g of ethanol was mixed with 45 g of silica, 8 g of alumina, 3 g of zirconia, 1 g of titania and 3 g of metal hydrogensilicone oil to prepare a composition (A).
Next, composition (B) was prepared by mixing 50 g of GPTMS with 100 g of MTMS.
The composition (A) and the composition (B) were mixed and pre-aged while stirring at 20 占 폚 for 20 hours. The pH of the mixture was adjusted to 7 by adding ammonia water in the stirring process.
Comparative Example
A commercially available ceramic coating agent (manufacturer: Permanent Ceramic) was selected as a comparative example.
Test Example
The ceramic coating agent according to the above examples and test examples was applied to the surface of a steel plate having its surface sanded and then cured at various temperatures for 20 minutes and then its quality was compared. The temperature conditions in the curing process are shown in Table 1 below.
A sample on which a coating film was formed according to Example 1 is shown in Fig. Also, quality tests were conducted on the coating films of the examples and comparative examples.
The quality test was conducted on pencil hardness, adhesion, chemical resistance (corrosion resistance), impact resistance, stain resistance and heat resistance. The pencil hardness was tested in accordance with KS M ISO 15184, the adhesion was evaluated in accordance with KS D 6711, and the chemical resistance (corrosion resistance) in accordance with KS M ISO 2812-1. Impact resistance was measured by dropping 300 g of steel ball over 30 cm, And after 24 hours, it was removed with solvent, and it was confirmed whether or not stains were formed. The heat resistance was checked by heating at 300 ° C. for 24 hours, and then checking whether the coating was cracked or peeled off The test results are shown in Table 2 below.
As can be seen from the results of Table 2, it was confirmed that the ceramic coating agent according to the present invention was excellent in the quality of the coating film even though it was cured at a low temperature. On the contrary, when the conventional ceramic coating agent according to the comparative example is cured at the same temperature as the ceramic coating agent according to the embodiment of the present invention, the quality of the ceramic coating agent is drastically deteriorated. Therefore, the ceramic coating agent according to the present invention can be cured at a low temperature while being environmentally friendly while not using heavy metals and environmental hormone materials, and energy can be saved, and it can be confirmed that the coating film formed has excellent quality .
While the present invention has been described with reference to the above-described embodiments and accompanying drawings, it is to be understood that the invention may be embodied in many different forms without departing from the spirit or scope of the invention. Accordingly, the scope of the present invention is defined by the appended claims and their equivalents, and is not limited by the specific embodiments described herein.
Claims (5)
(B) 20 to 60 parts by weight of GPTMS (glycidoxy propyl tri-methoxy silane) based on 100 parts by weight of methyl tri-methoxy silane (MTMS)
Wherein 60 to 140 parts by weight of the composition (B) is mixed with 100 parts by weight of the composition (A), and the mixture is preaged at a temperature of 15 to 25 ° C for 10 to 50 hours.
Wherein the solvent is selected from water, alcohols and mixtures thereof.
Wherein the silicone oil polymer is a metal hydrogen silicone oil.
Wherein the composition (A) further comprises 0.5 to 5 parts by weight of a color pigment based on 100 parts by weight of the solvent.
Wherein the pH of the mixed solution of the composition (A) and the composition (B) is adjusted to a range of 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150037428A KR20160113359A (en) | 2015-03-18 | 2015-03-18 | ceramic coating materials having eco-friendly and energy saving characteristic |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150037428A KR20160113359A (en) | 2015-03-18 | 2015-03-18 | ceramic coating materials having eco-friendly and energy saving characteristic |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020170111984A Division KR101918278B1 (en) | 2017-09-01 | 2017-09-01 | Ceramic coating materials having eco-friendly and energy saving characteristic |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386042A (en) * | 2017-09-04 | 2017-11-24 | 唐山南堡市政园林工程有限公司 | The method for improving coastal area concrete road surface alkali resistance |
| CN112759963A (en) * | 2021-01-28 | 2021-05-07 | 上海宜瓷龙新材料股份有限公司 | Non-stick ceramic coating for kitchenware and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090006695A (en) | 2007-07-12 | 2009-01-15 | 김준형 | The ceramic coating agent for metal face and ceramic coating method of metal face using it |
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2015
- 2015-03-18 KR KR1020150037428A patent/KR20160113359A/en not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090006695A (en) | 2007-07-12 | 2009-01-15 | 김준형 | The ceramic coating agent for metal face and ceramic coating method of metal face using it |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386042A (en) * | 2017-09-04 | 2017-11-24 | 唐山南堡市政园林工程有限公司 | The method for improving coastal area concrete road surface alkali resistance |
| CN112759963A (en) * | 2021-01-28 | 2021-05-07 | 上海宜瓷龙新材料股份有限公司 | Non-stick ceramic coating for kitchenware and preparation method thereof |
| CN112759963B (en) * | 2021-01-28 | 2021-12-24 | 上海宜瓷龙新材料股份有限公司 | Non-stick ceramic coating for kitchenware and preparation method thereof |
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