Multifunctional ceramic tile and method for manufacturing the same

Abstract

The present application belongs to the technical field of building ceramics, and particularly discloses a multifunctional ceramic tile and a preparation method thereof. The multifunctional ceramic tile comprises a ceramic tile body and a functional layer. The functional layer is arranged on the upper surface of the ceramic tile body and is formed by a functional mixture through photocuring. The functional mixture contains a zinc-based antibacterial agent, nano-titanium dioxide, a photocuring agent and an antioxidant. The photocuring agent comprises an unsaturated polyester resin and a photoinitiator. The functional layer of the present application uses the unsaturated polyester resin as the photocuring agent, and simultaneously contains the functional components of the zinc-based antibacterial agent and the nano-titanium dioxide in the photocuring agent. By virtue of the structural characteristics of the unsaturated polyester resin and under the action of the photoinitiator, the functional layer has good bonding performance with the surface of the ceramic tile body after photocuring, thereby being durably attached to the surface of the ceramic tile body, achieving a durable antibacterial and formaldehyde-removing effect, and having good anti-aging performance. Moreover, the antibacterial and formaldehyde-removing functions are not limited by product types and have a wide application range.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of building ceramics, and particularly relates to a multifunctional ceramic tile and a preparation method thereof. BACKGROUND

[0002] With the development of economy and society, people's dependence on indoor environment is increasing, and people spend more and more time indoors. According to statistics of relevant agencies, Chinese urban residents spend more than 80% of their total time indoors every day, and the quality of indoor environment directly affects people's quality of life. People's pursuit of healthy life is increasing, and various bacteria in the environment and formaldehyde generated during decoration pose a serious threat to people's health, especially in hospitals, toilets and other public places.

[0003] At present, the research on antibacterial ceramic tiles is mostly obtained through two ways: one is to add antibacterial components to the wax water, and to give the ceramic tile antibacterial properties by waxing; the other is to add antibacterial agents to the ceramic glaze, and to prepare ceramic tiles with antibacterial properties by firing. But these two ways have certain defects. The antibacterial components are introduced to the surface of the ceramic tile by waxing, which mainly utilizes the microporous structure on the surface of the ceramic tile to embed the antibacterial components in the microporous structure to have a certain antibacterial effect. On the one hand, if the surface of the ceramic tile is polished or the surface of the fired tile is flat, the antibacterial components are difficult to adhere to the surface of the ceramic tile, thereby failing to effectively improve the antibacterial properties of the ceramic tile. On the other hand, this way has no lasting antibacterial effect, and the antibacterial components are easily lost after polishing. Adding antibacterial components to the polishing glaze to give the ceramic tile antibacterial properties can effectively maintain good antibacterial properties, and the antibacterial properties are good. However, because of the high content of glass phase in the transparent glaze during the firing process, the antibacterial components are easily wrapped and the antibacterial effect of the ceramic tile is reduced. At the same time, polishing treatment is needed to expose the antibacterial components from the glaze layer, so this way is only suitable for polished ceramic tiles.

[0004] The formaldehyde-removing functional ceramic tile mainly uses photocatalytic titanium dioxide functional glaze, but such glaze is prone to react with other components in the glaze during high-temperature firing, thereby causing the loss of formaldehyde-removing function. At the same time, titanium dioxide will change from anatase type to rutile type during high-temperature firing, thereby causing the problem of yellowing of the glaze surface, which seriously affects the surface decoration effect of the ceramic tile. SUMMARY

[0005] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a multifunctional ceramic tile and a preparation method thereof, which has both antibacterial and formaldehyde removal functions, and has good antibacterial and formaldehyde removal durability, and aging resistance; and the antibacterial and formaldehyde removal functions are not limited by the type of the ceramic tile body, and have a wide range of applications.

[0006] To solve the above technical problems, the first aspect of the present application provides a multifunctional ceramic tile, comprising a ceramic tile body and a functional layer, the functional layer is arranged on the upper surface of the ceramic tile body, and the functional layer is formed by photo-curing of a functional mixture;

[0007] The functional mixture contains a zinc-based antibacterial agent, nano-titanium dioxide, a photo-curing agent and an antioxidant; the photo-curing agent includes an unsaturated polyester resin and a photoinitiator.

[0008] Specifically, the functional layer of the present application contains both a zinc-based antibacterial agent and nano-titanium dioxide to achieve the dual functions of antibacterial and formaldehyde removal; and an unsaturated polyester resin is used as the photo-curing agent, which is a linear high molecular compound with ester bonds and unsaturated double bonds, and is obtained by polycondensation of an unsaturated diacid and a dihydric alcohol, or a saturated diacid and a dihydric alcohol. Under the action of a photoinitiator, it has good bonding performance with the surface of the ceramic tile body after photo-curing, so that the functional components (antibacterial agent and nano-titanium dioxide) incorporated in the unsaturated polyester resin can also be attached to the surface of the ceramic tile body persistently, achieving persistent antibacterial and formaldehyde removal effects. Moreover, since the functional layer of the present application is formed by photo-curing, there is no special requirement for the surface of the ceramic tile body, and it can be applied to polished or unpolished surfaces, glazed or unglazed tiles.

[0009] Meanwhile, the present application introduces nano-titanium dioxide into the surface of the ceramic tile body by photo-curing, which can effectively remove indoor formaldehyde and purify indoor air under the condition of light illumination during the day; and the photocatalytic nano-titanium dioxide can absorb ultraviolet light to form excited state electrons and holes, causing the DNA molecules in bacteria to break, thereby further improving the antibacterial effect and antibacterial durability of the ceramic tile body. In addition, since the nano-titanium dioxide has the ability to absorb ultraviolet light for a long time and gradually releases the absorbed ultraviolet light photon energy in the form of heat energy or fluorescence with little harm, it is beneficial to improve the anti-aging performance of the photo-cured resin functional layer.

[0010] As a further improvement of the above-mentioned scheme, the zinc-based antibacterial agent is selected from at least one of nano-zinc oxide, nano-zinc phosphate and nano-zinc zirconate. These zinc compounds all have the characteristic of high transmittance, and the film formed by using them as antibacterial materials will not adversely affect the color development effect of the glaze layer.

[0011] As a further improvement of the above-mentioned solution, the nanometer titanium dioxide is an anatase type titanium dioxide.

[0012] Specifically, in the case that the indoor window is opened for ventilation and illumination during the day, the anatase type titanium dioxide can effectively remove harmful substances such as formaldehyde in the indoor environment; meanwhile, the anatase type titanium dioxide has strong ultraviolet light absorption capacity, forms excited state electrons and holes, and causes the DNA molecules in the bacteria to be broken, thereby improving the antibacterial effect of the ceramic tile.

[0013] Preferably, the photoinitiator is 2-hydroxy-2-methyl-1-phenyl-1-propanone.

[0014] Preferably, the mass ratio of the photoinitiator in the photocuring agent is 5-10%.

[0015] Preferably, the antioxidant comprises antioxidant 1010. The antioxidant 1010 and the nanometer titanium dioxide jointly act to further improve the anti-aging performance of the photocuring resin functional layer and facilitate the extension of the good antibacterial and formaldehyde removal functions of the ceramic tile.

[0016] As a further improvement of the above-mentioned solution, the functional mixture further comprises a solvent and a dispersant, the solvent is at least one selected from ethanol, ethyl acetate, and butyl acetate, and the dispersant is selected from polyisobutylene succinimide and / or polyisobutylene poly succinimide.

[0017] As a further improvement of the above-mentioned solution, the components of the functional mixture comprise, by weight fraction: 7-10 parts of antibacterial agent, 0.5-1.5 parts of nanometer titanium dioxide, 70-90 parts of photocuring agent, 0.5-2 parts of antioxidant, 1-4 parts of dispersant, and 3-8 parts of solvent.

[0018] The second aspect of the present application provides a preparation method of the above-mentioned multifunctional ceramic tile, comprising the following steps:

[0019] The components of the functional mixture are stirred and dispersed to obtain the functional mixture; then the functional mixture is coated on the upper surface of the tile body, and the coated film layer is subjected to photocuring to form a functional layer, thereby obtaining the multifunctional ceramic tile.

[0020] Preferably, the coating amount of the functional mixture is 10-20 g / m 2 A coating amount that is too small will result in poor antibacterial and formaldehyde removal effects, and a coating amount that is too large will reduce the glossiness of the surface of the ceramic tile body, thereby affecting the decorative effect of the product.

[0021] Preferably, the photocuring is performed by irradiation with ultraviolet light.

[0022] Preferably, the photocuring time is 10-20 min.

[0023] Preferably, the stirring dispersion is first high-speed stirring, and then ultrasonic dispersion.

[0024] Preferably, the high-speed stirring is stirring at a speed of 1000-2000 revolutions per minute for 10-20 minutes.

[0025] Preferably, the ultrasonic dispersion is ultrasonic dispersion at a frequency of 30-40 KHz for 10-20 minutes.

[0026] As a further improvement of the above scheme, the preparation method of the multifunctional ceramic tile comprises the following steps:

[0027] (1) mixing unsaturated polyester resin, solvent and photoinitiator uniformly to obtain a light curing agent;

[0028] (2) high-speed stirring and ultrasonic dispersion of the light curing agent, zinc-based antibacterial agent, nano-titanium dioxide, dispersant and antioxidant to obtain a functional mixture;

[0029] (3) uniformly coating the functional mixture on the upper surface of the ceramic tile body by rolling, and then ultraviolet curing the coated film to form a functional layer, thereby obtaining the multifunctional ceramic tile.

[0030] The above technical scheme of the present application has at least the following technical effects or advantages compared with the prior art:

[0031] (1) The functional layer of the present application uses unsaturated polyester resin as a light curing agent, and simultaneously adds functional components (zinc-based antibacterial agent and nano-titanium dioxide) in the light curing agent. By using the structural characteristics of unsaturated polyester resin and under the action of a photoinitiator, the functional layer has good bonding performance with the surface of the ceramic tile body after light curing, thereby durably adhering to the surface of the ceramic tile body and realizing the durable antibacterial and formaldehyde removal effects of the product.

[0032] (2) The present application introduces nano-titanium dioxide into the surface of the ceramic tile body by light curing. Not only can it effectively remove indoor formaldehyde and purify indoor air under the condition of light irradiation during the day, but also can absorb ultraviolet light to form excited state electrons and holes, causing the DNA molecules in bacteria to break, thereby further improving the antibacterial effect and antibacterial durability of the ceramic tile body. The absorbed ultraviolet light photon energy is gradually released in the form of heat energy or fluorescence with little harm, thereby improving the anti-aging performance of the light curing resin functional layer, and further realizing the durable antibacterial and formaldehyde removal functions of the product.

[0033] (3) The functional layer of the present application is formed by light curing, and has no special requirements for the surface of the ceramic tile body. It can be applied to polished surfaces or non-polished surfaces, glazed tile surfaces or unglazed tile surfaces. DETAILED DESCRIPTION

[0034] The present application will be described in detail below with reference to examples, so as to facilitate the understanding of the present application by those skilled in the art. It is necessary to point out here that the examples are only used to further illustrate the present application and cannot be understood as limiting the protection scope of the present application. Non-essential improvements and adjustments of the present application made by those skilled in the art according to the above description should still fall within the protection scope of the present application. Meanwhile, the raw materials mentioned below which are not described in detail are all commercially available products; the process steps or preparation methods which are not mentioned in detail are all known to those skilled in the art.

[0035] Example 1

[0036] A multifunctional ceramic tile comprises a ceramic tile body and a functional layer, the functional layer is arranged on the upper surface of the ceramic tile body, and the functional layer is formed by photo-curing of a functional mixture.

[0037] The components of the functional mixture comprise, by weight parts: 7 parts of nano-zinc oxide, 0.5 parts of nano-titanium dioxide, 78.5 parts of unsaturated polyester resin, 5 parts of 2-hydroxy-2-methyl-1-phenyl-1-propanone, 1 part of antioxidant 1010, 2 parts of polyisobutylene succinimide, and 6 parts of ethanol.

[0038] A preparation method of a multifunctional ceramic tile comprises the following steps:

[0039] (1) uniformly mixing unsaturated polyester resin, 2-hydroxy-2-methyl-1-phenyl-1-propanone and ethanol to obtain a photo-curing agent;

[0040] (2) mixing the photo-curing agent obtained in step (1), nano-zinc oxide, nano-titanium dioxide, polyisobutylene succinimide and antioxidant 1010, first stirring at a rotation speed of 1000 revolutions per minute for 20 minutes, and then dispersing at an ultrasonic frequency of 30 KHz for 20 minutes to obtain a functional mixture;

[0041] (3) uniformly coating the functional mixture obtained in step (2) on the upper surface of the ceramic tile body by rolling (the rolling amount is 15 g / m 2 ), and then irradiating the coated film layer with ultraviolet light for 15 minutes to form a functional layer, thereby obtaining the multifunctional ceramic tile of the present example.

[0042] Example 2

[0043] A multifunctional ceramic tile comprises a ceramic tile body and a functional layer, the functional layer is arranged on the upper surface of the ceramic tile body, and the functional layer is formed by photo-curing of a functional mixture.

[0044] The components of the functional mixture include, by weight parts: nano zinc phosphate 8 parts, nano titanium dioxide 1 part, unsaturated polyester resin 75.5 parts, 2-hydroxy-2-methyl-1-phenyl-1-propanone 6 parts, antioxidant 1010 0.5 parts, polyisobutylene succinimide 4 parts, ethyl acetate 5 parts.

[0045] A preparation method of a multifunctional ceramic tile, comprising the following steps:

[0046] (1) uniformly mixing unsaturated polyester resin, 2-hydroxy-2-methyl-1-phenyl-1-propanone and ethyl acetate to obtain a photocuring agent;

[0047] (2) mixing the photocuring agent obtained in step (1), nano zinc phosphate, nano titanium dioxide, polyisobutylene succinimide and antioxidant 1010, first stirring at a rotation speed of 1500 revolutions / minute for 15 minutes, and then dispersing at an ultrasonic frequency of 40 KHz for 10 minutes to obtain a functional mixture;

[0048] (3) uniformly coating the functional mixture obtained in step (2) on the upper surface of the ceramic tile body by rolling (the rolling amount is 10 g / m 2 ), and then irradiating the coated film layer with ultraviolet light for 10 minutes to form a functional layer, thereby obtaining the multifunctional ceramic tile of the example.

[0049] Example 3

[0050] A multifunctional ceramic tile, comprising a ceramic tile body and a functional layer, the functional layer being arranged on the upper surface of the ceramic tile body and being formed by photocuring of a functional mixture.

[0051] The components of the functional mixture include, by weight parts: nano zinc phosphate 8 parts, nano titanium dioxide 1 part, unsaturated polyester resin 75.5 parts, 2-hydroxy-2-methyl-1-phenyl-1-propanone 6 parts, antioxidant 1010 0.5 parts, polyisobutylene succinimide 4 parts, ethyl acetate 5 parts.

[0052] A preparation method of a multifunctional ceramic tile, comprising the following steps:

[0053] (1) uniformly mixing unsaturated polyester resin, 2-hydroxy-2-methyl-1-phenyl-1-propanone and ethyl acetate to obtain a photocuring agent;

[0054] (2) mixing the photocuring agent obtained in step (1), nano zinc phosphate, nano titanium dioxide, polyisobutylene succinimide and antioxidant 1010, first stirring at a rotation speed of 1500 revolutions / minute for 15 minutes, and then dispersing at an ultrasonic frequency of 40 KHz for 10 minutes to obtain a functional mixture;

[0055] (3) the functional mixture prepared in step (2) is uniformly coated on the upper surface of the ceramic tile body by rolling (the rolling amount is 15 g / m 2 ), and then the coated film layer is irradiated with ultraviolet light for 20 minutes to form a functional layer, thereby obtaining the multifunctional ceramic tile of the present example.

[0056] Example 4

[0057] A multifunctional ceramic tile comprises a ceramic tile body and a functional layer, the functional layer is arranged on the upper surface of the ceramic tile body, and the functional layer is formed by photo-curing of a functional mixture.

[0058] The components of the functional mixture include, by weight: 10 parts of nano-zinc oxide, 1 part of nano-titanium dioxide, 71 parts of unsaturated polyester resin, 10 parts of 2-hydroxy-2-methyl-1-phenyl-1-propanone, 1 part of antioxidant 1010, 3 parts of polyisobutylene succinimide, and 4 parts of ethyl acetate.

[0059] A preparation method of a multifunctional ceramic tile comprises the following steps:

[0060] (1) uniformly mix unsaturated polyester resin, 2-hydroxy-2-methyl-1-phenyl-1-propanone, and ethyl acetate to obtain a photo-curing agent;

[0061] (2) mix the photo-curing agent prepared in step (1), nano-zinc oxide, nano-titanium dioxide, polyisobutylene succinimide, and antioxidant 1010, first stir at a speed of 1500 revolutions per minute for 20 minutes, and then disperse at an ultrasonic frequency of 35 KHz for 15 minutes to obtain a functional mixture;

[0062] (3) uniformly coat the functional mixture prepared in step (2) on the upper surface of the ceramic tile body by rolling (the rolling amount is 20 g / m 2 ), and then irradiate the coated film layer with ultraviolet light for 15 minutes to form a functional layer, thereby obtaining the multifunctional ceramic tile of the present example.

[0063] Comparative Example 1

[0064] A multifunctional ceramic tile comprises a ceramic tile body and a functional layer, the functional layer is arranged on the upper surface of the ceramic tile body, and the functional layer is formed by photo-curing of a functional mixture.

[0065] The components of the functional mixture include, by weight: 7 parts of nano-zinc oxide, 0.5 parts of nano-titanium dioxide, 78.5 parts of epoxy acrylate, 5 parts of 2-hydroxy-2-methyl-1-phenyl-1-propanone, 1 part of antioxidant 1010, 2 parts of polyisobutylene succinimide, and 6 parts of ethanol.

[0066] A preparation method of a multifunctional ceramic tile comprises the following steps:

[0067] (1) mix epoxy acrylate, 2-hydroxy-2-methyl-1-phenyl-1-propanone and ethanol uniformly to obtain a photocuring agent;

[0068] (2) mix the photocuring agent prepared in step (1), nano zinc oxide, nano titanium dioxide, polyisobutylene succinimide and antioxidant 1010, first stir at a rotation speed of 1000 revolutions per minute for 20 minutes, and then disperse at an ultrasonic frequency of 30 KHz for 20 minutes to obtain a functional mixture;

[0069] (3) uniformly coat the functional mixture prepared in step (2) on the upper surface of the ceramic tile body by rolling (the rolling amount is 15 g / m 2 ), and then irradiate the coated film layer with ultraviolet light for 15 minutes to form a functional layer, thereby obtaining the multifunctional ceramic tile of the present example.

[0070] Example 2

[0071] A multifunctional ceramic tile comprises a ceramic tile body and a functional layer, the functional layer is arranged on the upper surface of the ceramic tile body, and the functional layer is formed by photocuring of a functional mixture.

[0072] The components of the functional mixture include, by weight: nano zinc oxide 7 parts, unsaturated polyester resin 79.5 parts, 2-hydroxy-2-methyl-1-phenyl-1-propanone 5 parts, antioxidant 1010 1 part, polyisobutylene succinimide 2 parts, and ethanol 6 parts.

[0073] A preparation method of a multifunctional ceramic tile comprises the following steps:

[0074] (1) mix unsaturated polyester resin, 2-hydroxy-2-methyl-1-phenyl-1-propanone and ethanol uniformly to obtain a photocuring agent;

[0075] (2) mix the photocuring agent prepared in step (1), nano zinc oxide, polyisobutylene succinimide and antioxidant 1010, first stir at a rotation speed of 1000 revolutions per minute for 20 minutes, and then disperse at an ultrasonic frequency of 30 KHz for 20 minutes to obtain a functional mixture;

[0076] (3) uniformly coat the functional mixture prepared in step (2) on the upper surface of the ceramic tile body by rolling (the rolling amount is 15 g / m 2 ), and then irradiate the coated film layer with ultraviolet light for 15 minutes to form a functional layer, thereby obtaining the multifunctional ceramic tile of the present example.

[0077] Example 3

[0078] A multifunctional ceramic tile comprises a ceramic tile body and a functional layer, the functional layer is arranged on the upper surface of the ceramic tile body, and the functional layer is formed by photocuring of a functional mixture.

[0079] The components of the functional mixture include, by weight parts: 7 parts of nano zinc oxide, 0.5 parts of nano titanium dioxide, 79.5 parts of unsaturated polyester resin, 5 parts of 2-hydroxy-2-methyl-1-phenyl-1-propanone, 2 parts of polyisobutylene succinimide, and 6 parts of ethanol.

[0080] A preparation method of a multifunctional ceramic tile, comprising the following steps:

[0081] (1) uniformly mixing unsaturated polyester resin, 2-hydroxy-2-methyl-1-phenyl-1-propanone, and ethanol to obtain a photocuring agent;

[0082] (2) mixing the photocuring agent obtained in step (1), nano zinc oxide, nano titanium dioxide, and polyisobutylene succinimide, first stirring at a rotation speed of 1000 revolutions per minute for 20 minutes, and then dispersing at an ultrasonic frequency of 30 KHz for 20 minutes to obtain a functional mixture;

[0083] (3) uniformly coating the functional mixture obtained in step (2) on the upper surface of the ceramic tile body by rolling (the rolling amount is 15 g / m 2 ), and then irradiating the coated film layer with ultraviolet light for 15 minutes to form a functional layer, thereby obtaining the multifunctional ceramic tile of the present comparative example.

[0084] Performance test

[0085] The performance of the multifunctional ceramic tile samples prepared in Examples 1-4 and Comparative Examples 1-3 was tested, including the antibacterial rate and antibacterial durability, formaldehyde removal rate, aging resistance, and antibacterial durability and formaldehyde removal rate of the samples after the aging resistance performance test; and the appearance of the functional layer film was observed. Among them: the antibacterial rate and antibacterial durability are tested according to standard JC / T 897-2014, the aging resistance is tested according to standard GB / T 1865-2009, and the test results are shown in Tables 1 and 2.

[0086] Table 1: Results table of antibacterial properties, formaldehyde removal rate, and film appearance of samples

[0087]

[0088] As can be seen from Table 1, the multifunctional ceramic tile samples prepared in Examples 1-4 all have good antibacterial performance and formaldehyde removal performance, and good antibacterial durability, achieving an antibacterial rate of 99.9% for both Escherichia coli and Staphylococcus aureus, and excellent adhesion performance of the functional layer, with a persistent antibacterial rate of 99.9% for both Escherichia coli and Staphylococcus aureus; the functional layer has good formaldehyde removal performance, with a removal rate of 90-93%; and the film layer is complete and uniform without cracks.

[0089] Comparative Example 1 uses other types of photocuring resin relative to Example 1, and the film layer cracks, and the antibacterial performance and formaldehyde removal performance cannot be detected.

[0090] Comparative Example 2 does not contain nano-titanium dioxide in the functional layer relative to Example 1, and the formaldehyde removal performance is significantly reduced.

[0091] Table 2: Results of the aging resistance and the antibacterial durability and formaldehyde removal rate of the samples after the aging resistance test

[0092]

[0093] As shown in Table 2, the multifunctional ceramic tile samples prepared in Examples 1-4 still have intact and uniform film layers after the aging resistance test, and the antibacterial performance and formaldehyde removal rate only slightly decrease.

[0094] The sample prepared in Comparative Example 2 has significantly reduced aging resistance of the film layer, and is yellow and foamy; the persistent antibacterial rate and formaldehyde removal rate after the aging resistance test are significantly reduced.

[0095] Comparative Example 3 does not contain antioxidant 1010 in the functional layer relative to Example 1, and not only the aging resistance of the film layer is reduced, but also the persistent antibacterial rate and formaldehyde removal rate are significantly reduced.

[0096] For those skilled in the art of the present application, several simple deductions or substitutions can be made without departing from the concept of the present application, without having to undergo creative labor. Therefore, the simple improvements made by those skilled in the art to the present application based on the disclosure of the present application should be within the protection scope of the present application. The above examples are preferred embodiments of the present application, and any similar processes and equivalent changes made should be within the protection scope of the present application.

Claims

1. A multifunctional ceramic tile, characterized by, The multifunctional ceramic tile comprises a ceramic tile body and a functional layer, wherein the functional layer is arranged on the upper surface of the ceramic tile body and is formed by photo-curing of a functional mixture; The components of the functional mixture comprise, by weight fraction, 7-10 parts of zinc-based antibacterial agent, 0.5-1.5 parts of nano-titanium dioxide, 70-90 parts of photo-curing agent, 0.5-2 parts of antioxidant, 1-4 parts of dispersant, and 3-8 parts of solvent; The photo-curing agent comprises unsaturated polyester resin and photo-initiator; The nano-titanium dioxide is anatase type titanium dioxide. The photo-curing is performed by irradiation of ultraviolet light, and the photo-curing time is 10-20 minutes.

2. The multifunctional ceramic tile according to claim 1, characterized in that, The zinc-based antibacterial agent is selected from at least one of nano-zinc oxide, nano-zinc phosphate, and nano-zinc zirconate.

3. The multifunctional ceramic tile according to claim 1, characterized in that, The photo-initiator is 2-hydroxy-2-methyl-1-phenyl-1-propanone, and / or the mass fraction of the photo-initiator in the photo-curing agent is 5-10%.

4. The multifunctional ceramic tile according to claim 1, characterized in that, The antioxidant comprises antioxidant 1010.

5. The multifunctional ceramic tile according to claim 1, characterized in that, The solvent is selected from at least one of ethanol, ethyl acetate, and butyl acetate, and the dispersant is selected from polyisobutylene succinimide and / or polyisobutylene poly-succinimide.

6. A method of manufacturing the multifunctional ceramic tile according to any one of claims 1 to 5, characterized in that, The method comprises the following steps: The components of the functional mixture are stirred and dispersed to obtain the functional mixture, which is then coated on the upper surface of the ceramic tile body, and the coated film layer is photo-cured to form the functional layer, thereby obtaining the multifunctional ceramic tile.

7. The method of claim 6, wherein the ceramic tile is prepared by the steps of: The coating amount of the functional mixture is 10-20 g / m 2 .

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