A platinum-titanium thermal catalyst coating agent is created by activating a platinum catalyst and a titanium dioxide catalyst, using silicon dioxide as a binder, and creating a composition with oil components and surfactants as lubricants. This composition is then applied to glass, using UV-blocking glass, and sunlight is used to activate the thermal catalyst stored on the glass surface at temperatures ranging from 0°C to 50°C.

Abstract

This technology provides removal of harmful organic compounds, such as viruses, pollen, dust mite feces, and formaldehyde, from buildings and vehicles using low-E glass, heat-reflective glass, and UV-cut glass. [Solution] A platinum-titanium catalyst coating composition is spread thinly and applied to the wall surface inside a building or car, such as UV-cut glass or UV-cut film. Test results have definitively proven that by irradiating the surface of a UV-cut glass substrate with sunlight or artificial ultraviolet light (or even visible light), the thermal energy stored within the substrate is used to form a platinum-titanium thermal catalyst, which can decompose and remove harmful organic compounds floating in the air inside a room or car, such as aldehydes, ammonia, amines, mercaptans, malodorous odors, viruses, pollen, and dust mite feces.

Description

Technical Field

[0001] The present invention relates to a catalyst technology that decomposes viruses, bacteria, harmful organic compounds, and particulate volatile organic compounds by applying platinum-platinum catalysts and the thermal energy stored on the surfaces of titanium catalysts and Low-E glass, hot plate reflective glass, or ultraviolet cut-off glass.

Background Art

[0002] The present invention relates to patents disclosed in Zenworld Co., Ltd. Patent No. 4048266 and Patent No. 4858857, which decompose and remove harmful organic compounds, such as harmful substances in the air, volatile organic compounds determined by the Ministry of Health, Labour and Welfare, dust mites feces floating in the air, pollen causing hay fever, and viruses, which are fine particles, by window glass coated with a platinum-titanium catalyst, and chemically change them into carbon dioxide and water.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0004] In recent years, for sterilization, various catalyst technologies have received favorable reviews from many users. However, there has been a rumor that ultraviolet rays are harmful to the body, and as a result, ultraviolet cut-off glass or ultraviolet cut-off films are often used, rendering the decomposition functions of various catalysts that require ultraviolet rays ineffective. Therefore, even when using ultraviolet cut-off glass or the like, there is a need for a technology to remove harmful organic compounds that are fine particles such as viruses and pollen.

[0005] The object of the present invention is to provide a technology for removing harmful organic compounds by using a platinum-titanium catalyst to cause a catalytic reaction in indoor and vehicle interiors where ultraviolet rays do not reach, such as using low-E glass, heat-reflective glass, or ultraviolet-cut glass. [Means for solving the problem]

[0006] Platinum-titanium catalysts are a technology that reacts to ultraviolet light at a wavelength of 350 nm to decompose organic compound particles, rendering them harmless. Conventional theories in the photocatalysis industry pointed out that volatile organic compounds, which are fine particles, cannot be decomposed in the absence of ultraviolet light. Based on that theory, it was believed that platinum-titanium catalysts could not decompose harmful organic compounds when used with UV-blocking glass, and therefore orders for coating surfaces such as UV-blocking glass and UV-blocking films were being refused. However, when a platinum-titanium catalyst coating was applied to a European car equipped with UV-cut glass in Guangzhou, Guangdong Province, China, the odor of volatile organic compounds inside the car disappeared. When the temperature of the car's window surface was measured with a thermometer, it was found to be approximately 40°C to 50°C.

[0007] In winter, the outside temperature was 8°C. The indoor temperature was heated, and the glass surface temperature was 18°C. The UV-cut glass was 32°C. In all cases, a platinum-titanium catalyst was applied to the glass facing the outside. Therefore, we analyzed the reason why the odor of volatile organic compounds in the car disappeared after applying a platinum-titanium catalyst coating to the back surface of the UV-cut glass of a car that had been designed to block ultraviolet rays. The indoor temperature was 25°C because the car's heating system was running. Conventional theories of photocatalysis dictate that the decomposition function of a catalyst requires ultraviolet light to be effective. However, this study demonstrated that even in a car interior where ultraviolet light is blocked, volatile organic compounds inside the vehicle can be decomposed after applying a platinum-titanium catalyst coating. [Effects of the Invention]

[0008] Because ultraviolet radiation is affected by weather conditions and the temperature is not stable, an experiment was conducted in a living room chamber equipped with an artificial ultraviolet mercury lamp and ultraviolet-cutting glass to confirm the effectiveness of the thermal platinum-titanium catalyst. A platinum-titanium catalyst coating agent is applied to the back surface of the UV-cut glass of the chamber, forming a platinum-titanium thermal catalyst on the back of the glass. The measurement data for the 24-hour decomposition effect of the platinum-titanium thermal catalyst on harmful organic compounds in the living space is shown in Table 1 below. [Table 1]

[0009] Based on the results of the above tests, when irradiated with ultraviolet light, the amount of formaldehyde was reduced by an average of 80.87% due to the decomposition power of the platinum-titanium-platinum catalyst.

[0010] The results of the above tests showed that when ultraviolet light was not irradiated, the average reduction rate of formaldehyde concentration in the room was 35.06%, indicating that the decomposition power of the thermal platinum-titanium catalyst was sustained. [Brief explanation of the drawing]

[0011] [Figure 1] Diagram illustrating the configuration of platinum-titanium thermal catalyst coating.

Claims

1. A method for creating a platinum-titanium catalyst by mixing platinum, titanium dioxide, silicon dioxide, lubricating oil, and abrasive to obtain a liquid coating agent for articles, applying this article surface coating agent to the surface of ultraviolet-cut glass to form a platinum-titanium catalyst layer on the surface of the article, and utilizing the thermal energy stored by sunlight striking the surface of this coating to form a platinum-titanium thermal catalyst.

2. This surface coating method uses a specially designed squeegee to create a composition using a platinum catalyst, a titanium dioxide catalyst, silicon dioxide as a binder, and an oil component as a lubricant. An abrasive is mixed in to obtain a liquid coating material, which then functions as a platinum-titanium thermal catalyst by utilizing the thermal energy of sunlight adsorbed onto UV-cut glass or UV-cut film. This method allows for the application of an invisible thin film with a thickness of 100 nanometers or less.

3. This method involves creating a surface coating composition using a platinum catalyst, a titanium dioxide catalyst, and silicon dioxide as a binder, along with lubricating oil and an abrasive, applying it to the surface of UV-cut glass or cut film, and then, before it begins to solidify after a few minutes and dries, wiping it off with a special nonwoven fabric to make the glass transparent. The aforementioned surface coating uses the thermal energy from 0°C to 50°C stored on the surface of the Roy glass, heat-reflective glass, or UV-cut glass or cut film to decompose and remove particulate matter such as viruses, bacteria, formaldehyde, and other volatile organic compounds using the platinum catalyst, returning them to the room as water and carbon dioxide, rendering them harmless.

4. A surface coating agent for articles, characterized in that the particle size of the composition constituting the platinum-titanium thermal catalyst is between 1 nm and 100 nm.

5. The pH of the aforementioned platinum-titanium thermal catalyst composition is determined by the binder, auxiliary surfactant, surfactant. A surface coating agent for articles characterized by being adjusted to a concentration of 1 to 6.

6. The abrasive particles are characterized by having a size of 0.1 to 0.5 microns and being present in an amount of 1% to 10% by weight.

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