TWI357832B - Semi-opaque coating, method for manufacturing the - Google Patents

Description

1357832 * I ·

TW4252PA IX. Description of the Invention: [Technical Field] The present invention relates to a surface coating and a method of manufacturing the same, and an article to be used therewith, and in particular to an abrasion resistance, stain resistance, mildew resistance and A translucent ceramic material coating having a high far-infrared emissivity and a method for its manufacture and application. [Prior Art]

With the rapid development of the social economy and the emergence of new and high technologies, people have put forward higher requirements for the high performance, durability, comfort and decoration of various household appliances and daily necessities as the production level has increased. In particular, in terms of the surface properties of the product, in addition to the aesthetic requirements, for example, there are characteristics such as corrosion resistance, wear resistance, high strength, and even special functions that the surface should have in some cases. Therefore, in order to provide better commodity value conditions, the development of surface treatment technology has gradually become one of the important directions of the industry. % In the market, whether it is home furnishings, outdoor products, kitchen supplies, office supplies, or even Products such as industrial machines and optical sensing applications are now required to have basic surface characteristics such as aesthetics, stain resistance, stain resistance, abrasion resistance, and corrosion resistance. For example, in general, the surface treatment technique is usually applied directly to the surface of the substrate, or directly by molding. Moreover, the materials used therein are usually two-molecular materials. Since the molecular materials are often difficult to balance the effects of easy cleaning and wear resistance, they are easy to breed under long-term use. 1357832 * >

TW4252PA bacteria, mold and harm to the health of the human body, or the formation of many scratches on the surface and lost the beauty. Therefore, how to provide products with good surface characteristics, so that future products have the functions of health, ease of use and durability, and then to increase the value of goods is one of the goals that the industry is currently to achieve. [Summary of the Invention]

The present invention relates to a translucent coating, a method of making same, and an application. The translucent coating is used to cover the surface of the article, in addition to the semi-transparent characteristics to reveal the original beauty of the article, but also provides good anti-adhesion, stain resistance, wear resistance, and prevention. Corrosive, anti-deformation and anti-mold resistance, even up to 92% far-infrared emissivity, so that the items are both healthy, easy to clean and durable. Moreover, the translucent coating is formed by thermal spraying a coating material comprising a ceramic material. Since the thermal spraying technique has high adhesion efficiency, the translucent coating proposed by the present invention is substantially It is formed on the surface of any material and is very versatile and has the advantage of being easy to manufacture. The present invention provides a method of making a translucent coating for forming a semi-transparent coating on one of the surfaces of an article. The manufacturing method includes the following steps. First, a coating material comprising one of ceramic materials is provided. Next, an atmospheric plasma melt coating material is produced. The molten coating material is then sprayed onto the surface of the article in a stream of air to form a half clear coating having a thickness greater than l#m. The present invention provides a translucent coating for covering one of the surfaces of an article. The translucent coating comprises a ceramic material and the thickness of the translucent coating is 1357832 » I ·

TW4252PA is substantially greater than l//m and the visible light transmittance is substantially 2% to 45%. The present invention provides a product comprising a body and the aforementioned translucent coating. Wherein, the aforementioned translucent coating covers a surface of the body and comprises a ceramic material. The thickness of the translucent coating layer is substantially l#m~100Oym, and the visible light transmittance is substantially 2% to 45%.

In order to make the above-mentioned contents of the present invention more comprehensible, a preferred embodiment will be described below in detail with reference to the accompanying drawings. Special materials and materials are used together with thermal spraying technology to produce a translucent coating that is both thick and transparent. In the following description, a method of manufacturing a translucent coating in an embodiment of the present invention will be described by taking a mouse pad as an example. However, it is known to those of ordinary skill that the coatings formed by the thermal spray technique of the present invention can be applied to the % surface of either product and should not be limited to the application of the mouse pad alone. Also, in actual application, the process parameters and step details provided below can be adjusted appropriately according to the application conditions. Please refer to FIG. 1 and FIG. 2 simultaneously. FIG. 1 is a schematic view showing a mouse pad according to a preferred embodiment of the present invention, and FIG. 2 is a view showing the manufacture of a translucent coating according to a preferred embodiment of the present invention. Flow chart of the method. In Fig. 1, the mouse pad 10 includes a body 100 and a translucent coating 200. How to form the translucent coating 200 on the body of the mouse pad 10 will be explained below. 1357832 • »

The surface of the TW4252PA 100 is 100s. As shown in Fig. 2, a method of manufacturing a translucent coating of a preferred embodiment of the present invention comprises the following steps. First, as shown in step S1, a coating material including a Taman material is provided. In the composition of the coating material, the weight of the ceramic material is preferably at least 95% of the weight of the coating material. And preferably, and without limitation, the ceramic material is selected from the group consisting of an oxide ceramic material, a carbide ceramic material, a boride ceramic material, a nitride ceramic material, aluminum oxide, magnesium oxide, titanium oxide, and aluminum magnesium spinel. A group of materials and combinations of the foregoing. Further, according to one embodiment of the present invention, in the composition of the coating material, the ceramic material includes alumina and titanium oxide. The weight of the alumina is at most 55% to 95% by weight based on the total weight of the coating material, and the weight of the titanium oxide is at most 45% to 5 °/〇 of the total weight of the coating material. Or, in another embodiment of the invention, in the composition of the coating material, the Tauman material is oxidized, and the weight of the oxidized crystal is at least 99% by weight based on the total weight of the coating material. In still another embodiment of the present invention, in the composition of the coating material, the ceramic material comprises alumina and magnesia, and the weight of the alumina and the magnesia is at least 99% by weight based on the total weight of the coating material. Further, in the composition of the coating material, an additive may be further included, the weight of the additive being at most 5% by weight based on the total weight of the coating material. Preferably, and without limitation, the additive is, for example, copper (Cu), silver (Ag) or a transparent polymer material, or a material having other uses. The materials selected for the additives may be used singly or in any combination. Further, in the case of a transparent polymer material, it is preferably polyacrylic acid 1357832 • »

TW4252PA polymethylmethacrylate (PMMA) and/or polycarbonate (PC), which is used as a filler. In the additive, the use of copper and silver provides an effective anti-mildew effect. Further, since the manufacturing method proposed in the present embodiment employs a thermal spraying technique, the coating material is preferably in a powder state. Moreover, the particle diameter of these powders is preferably between about 30 micrometers and micrometers to avoid that the powder is formed on the surface 100s of the body 100 without being completely melted during the thermal spraying process.

Next, an atmospheric plasma melt coating material is produced as shown in step S2. Preferably, and not limited to, the atmospheric plasma is formed by a current of 300 to 1000 amps and a voltage of 20 to 1 volt volts in an atmospheric environment. Then, as shown in step S3, the molten coating material is sprayed onto the surface 100s of the body 100 by a gas flow to form a translucent coating 200 (see Fig. 1). Wherein the thickness of the formed translucent coating layer 2 is substantially greater than 1 "m' and the visible light transmittance of the translucent coating layer 200 is substantially 2% to 45%. And 'better and without limitation The molten coating material was sprayed onto the surface of the body 1 100 for 100 s using an argon gas having a flow rate of 1 〇 to 100 L/min and a hydrogen gas having a flow rate of 1 to 3 〇 L/min as a gas stream. Thereafter, it is preferred and not limited to form another layer of transparent organic coating 'over to cover the translucent coating 200. The method of forming the organic coating is not limited to thermal spraying, and physical vapor deposition can also be utilized. Formed by chemical vapor deposition, sputtering, etc. If a mouse pad is taken as an example, a transparent organic coating is placed over the surface l〇〇s of the body 1且 and covers the half 1357382

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Above the TW4252PA clear coat 200. Among them, the function of the transparent organic coating, for example, is to make the outer surface of the mouse pad have a specific function under application, for example, to improve the friction coefficient, shininess and the like of the outer surface of the mouse pad. Therefore, the present invention is not limited to the use of a transparent organic coating. • In the above description, the translucent coating 200 proposed by the present invention is applied over the surface 100s of the mouse pad 10 as a reference for those skilled in the art. However, it is known to those skilled in the art that the semi-transparent coating of the present invention can be applied not only to a mouse pad but also to other articles, so that the application of the present invention should not be limited to the mouse pad alone. Accordingly, the present invention provides a translucent coating that can be used to cover the surface of an article. The translucent coating is characterized by comprising a ceramic material, and the thickness of the translucent coating is substantially greater than 1/zm and its visible light average - transmittance is substantially 2% to 45%. Moreover, the translucent coating is formed by thermal spraying a coating material comprising a ceramic material. Since the thermal spray technique has a relatively high adhesion efficiency, the translucent coating proposed by the present invention can be formed substantially on the surface % of any material. Moreover, the semi-transparent coating main system uses ceramic materials, so it has higher hardness than metal or polymer materials, and the coating system exhibits translucent properties. Therefore, in addition to showing the original beauty of the article, the translucent coating can provide good anti-adhesion, stain resistance, abrasion resistance, corrosion resistance, deformation resistance, and even up to 92%. Far-infrared emissivity and anti-fungal properties, so that the article is both healthy, easy to clean and durable. In the above, the mouse pad 10 shown in the first drawing is taken as an example, and the mouse pad 10 includes a body 100 and a translucent coating 200. Translucent coating 200 1357832 « .

The TW4252PA covers the surface 100s of the body 100 and includes a ceramic material. The thickness of the translucent coating layer 200 may be substantially 1/zm to 1000/m, and the visible light transmittance is substantially in the range of 2% to 45%. In addition, during the manufacturing process, since the original coating material is directly sprayed on the surface of the article to form a translucent coating after being heated and melted, the composition of the semi-transparent coating is substantially the same as that of the original material. In the preferred embodiment enumerated above, the ceramic material content in the coating material is at least greater than 95% and the ceramic material content in the translucent coating layer is also at least greater than 95%. Since the hardness value of the % ceramic material is usually higher than that of a general metal material or a polymer material, and the hardness value represents the ability of one material to resist being worn by another material. Therefore, when the translucent coating of the embodiment of the present invention is used under a long-term friction environment (especially in the case of a mouse pad), it is possible to effectively avoid - surface abrasion resulting in a decrease in the life of the product. In embodiments of the invention, the translucent coating preferably has a porosity of less than 15% to provide a denser surface to enhance the texture of the product. Moreover, in practical applications, the article coated with the translucent coating, preferably and not limited to %, may further comprise a transparent organic coating overlying the translucent coating. The following is a description of some properties of the translucent coating produced by the preferred embodiment of the present invention, including surface roughness detection, visible light transmittance detection, and far-infrared emissivity detection. In the composition of the translucent coating of the preferred embodiment, the ceramic material is alumina, and the weight of the alumina is 99% by weight based on the total weight of the translucent coating, and the remaining components are additives. In the results of the surface roughness test, a good surface roughness is obtained. 11 1357832 • .

TW4252PA (Ra), approximately 7.5 μm. In the result of visible light transmittance detection, the translucent coating has a visible light transmittance of about 12%. In the far-infrared emissivity detection results, a very superior far-infrared emissivity is obtained, with a maximum height of 92% and a wavelength range of about 6 to 20 μm. Among them, especially for the characteristics of far-infrared radiation, according to the research data, the wavelength range that the human body can absorb is only between 7 and 14 μm, and the light source in the wavelength range beneficial to the human body is also called as the reproductive light (Vital). Rays), which helps to promote blood circulation in the human body.

The translucent coating disclosed in the above embodiments of the present invention is manufactured by covering the surface of the article, such as the aforementioned mouse pad. In addition to its translucent properties, this translucent coating can provide good adhesion, stain resistance, abrasion resistance, corrosion resistance, deformation resistance, and even Up to 92% far infrared radiation rate and mildew resistance, so that the items are both healthy, easy to clean and durable. Further, since the translucent coating layer is formed by a thermal spraying method, the translucent coating layer proposed by the present invention can be formed substantially on the surface of any material, and is widely applicable and easy to manufacture. In the above, the present invention has been disclosed in the above preferred embodiments, but it is not intended to limit the present invention. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. 12 (S > 1357832 « r

TW4252PA [Simple Description of the Drawings] Fig. 1 is a schematic view showing a mouse pad in accordance with a preferred embodiment of the present invention. Figure 2 is a flow chart showing a method of manufacturing a translucent coating in accordance with a preferred embodiment of the present invention.

[Main component symbol description] 10 : Mouse pad 100 : Body 100s : Surface of the body 100 : Translucent coating

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Claims (1)

1357832 Correction of the replacement page on August 23, 100. (Revised) Replacement Page 10, Patent Application Range: 1. A method for manufacturing a translucent coated spoon for forming the translucent coating on one surface of an article The method comprises: (a) providing a coating material comprising a spinel ceramic material; (b) generating an atmospheric plasma to melt the coating material; and / (c) melting the gas with a gas stream A coating material is sprayed onto the surface of the article to form a semi-transparent coating having a thickness greater than 1/zm, the translucent coating having a visible light transmittance of substantially 2% to 45%. 2. The manufacturing method according to claim 1, wherein the spinel ceramic material of the step (a) has a weight of at least 95% by weight of the coating material. 3. The manufacturing method according to claim 1, wherein the tip-crystallized material of the step (a) is a quartz spinel material α - 4. as claimed in claim 1 The manufacturing method, wherein the spinel ceramic material of the step (a) comprises aluminum oxide and magnesium oxide, and the weight of the oxidation and the oxidation town is at least 99% by weight of the total weight of the coating material. 5. The method according to claim 1, wherein the coating material of the step (a) is a plurality of powders, and the powders have a particle size of between about 30 micrometers and 70 micrometers. 6. The method according to claim 1, wherein the coating material of the step (a) further comprises an additive, and the weight of the additive is at most 5% of the total weight of the coating material. 7. The method of manufacturing of claim 6, wherein the 1357832 Corrected replacement page on August 23, 100 * Additives include copper (Cu). The manufacturing method according to claim 6, wherein the additive comprises silver (Ag). 9. The method of manufacture of claim 6, wherein the additive comprises a transparent polymeric material. 10. The manufacturing method according to claim 9, wherein the polymer material is polymethylmethacrylate (PMMA) and/or polycarbonate φ (polycarbonate, PC). 11. The manufacturing method according to claim 1, wherein the atmospheric plasma of the step (b) is formed by applying a current of 300 to 1000 amps in an atmospheric environment and 20 to 100 volts. . The manufacturing method according to claim 1, wherein the gas stream of the step (c) comprises argon gas having a flow rate of 10 to 100 L/min and helium gas having a flow rate of 1 to 30 L/min. 13. A translucent coating for covering a surface of an article, • the translucent coating comprising a spinel ceramic material having a thickness substantially greater than 1 /zm and visible light average The light transmittance is substantially 2% to 45%. 14. The translucent coating of claim 13, wherein the spinel ceramic material has a weight of at least 95% by weight of the translucent coating. 15. The translucent coating according to claim 13, wherein the spinel ceramic material is a Mingjing spinel material. 15 5' 1357832 (Japanese repair (more)): The semi-transparent coating described in claim 13 of the patent application, wherein the spinel ceramic material comprises oxidation Aluminium and magnesium oxide, and the weight of the alumina and the magnesium oxide is at least 99% of the total weight of the translucent coating. 17. The translucent coating according to claim 13 further comprising an additive, the additive The halo is at most 5% of the total weight of the translucent coating. 18. The translucent coating of claim 17, wherein the additive comprises copper (Cu). The semi-transparent coating of claim 17, wherein the additive comprises silver (Ag). 20. The translucent coating of claim 17, wherein the additive comprises a transparent polymeric material. The translucent coating according to claim 20, wherein the polymer material is decyl acrylate and/or polycarbonate. 22. The translucent coating according to claim 13 The porosity is substantially less than 15%. a mouse pad comprising: a body; and a semi-transparent coating covering a surface of the body, the translucent coating comprising a spinel ceramic material, the thickness of the translucent coating being substantially l#m ~1000# m, and the visible light transmittance of the translucent coating is substantially 2% to 45%. S 16 1357832 * , The repair of the mouse pad according to claim 23, wherein the weight of the spinel ceramic material accounts for at least the translucent coating. 95% of the weight. 25. The mouse pad of claim 23, wherein the spinel Tauman material is a Mingjing spinel material. [26] The mouse pad of claim 23, wherein the spinel ceramic material comprises alumina and magnesia, and the weight of the alumina and the magnesia and at least the total weight of the translucent coating 99%. 27. The mouse pad of claim 23, wherein the translucent coating further comprises an additive, the additive having a weight of up to 5% of the total weight of the translucent coating. 28. The mouse pad of claim 27, wherein the additive comprises copper (Cu). 29. The mouse pad of claim 27, wherein the additive comprises silver (Ag). 30. The mouse pad of claim 27, wherein the additive comprises a transparent polymeric material. The mouse pad according to claim 30, wherein the polymer material is polymethyl methacrylate and/or polycarbonate. 32. The mouse pad of claim 23, wherein the translucent coating has a porosity of substantially less than 15%. 33. The mouse pad of claim 23, further comprising a transparent organic coating over the surface of the body and overlying the translucent coating. 17