A kind of UV skin-feel coating and its preparation method and application

Abstract

The present invention discloses a UV skin-feel coating and a preparation method and application thereof, and belongs to the technical field of UV coatings. The UV skin-feel coating of the present invention comprises the following raw materials in parts by weight: 30-50 parts of a 3-functionality polyurethane resin, 10-20 parts of a 10-functionality polyurethane resin, 5-10 parts of an active diluent, 1-2 parts of a photoinitiator, 0.2-0.5 parts of a leveling agent, 2-3 parts of a matting powder, and 10-20 parts of a diluent; the mass ratio of the 3-functionality polyurethane resin to the 10-functionality polyurethane resin is 3:2-3:1. The UV skin-feel coating of the present invention uses an LED lamp, a 254 nanometer lamp, and a mercury lamp for irradiation curing; compared with conventional hand-feel UV, the UV skin-feel coating of the present invention has a better skin-feel feel, a more delicate matte effect, and better wear resistance.

Description

Technical Field

[0001] The present invention relates to the technical field of UV coatings, and in particular to a UV skin-feel coating and a preparation method and application thereof. Background Art

[0002] In recent years, with the improvement of living standards, people pay more and more attention to spiritual pursuits, and the use of smart devices has become more and more widespread, such as smartphones, laptops, smart robots and other products; and in addition to their own performance, smart devices have higher and higher requirements on appearance, such as texture, color brightness, fineness, touch, etc.

[0003] With the development of the coating industry, the appearance and performance of coatings are getting higher and higher, and the market's requirements for coatings are also getting higher and higher; at the same time, many products such as mobile phones and laptops will have long-term contact with the human body, which also has higher requirements for the appearance and performance of coatings. Traditional UV coatings have shortcomings such as rough appearance, poor scratch resistance, and average touch under low gloss effects.

[0004] Therefore, it is necessary to develop a UV skin-feel coating which has a delicate appearance, good scratch resistance and excellent touch even at low gloss. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a UV skin-feel coating and a preparation method and application thereof. The UV skin-feel coating prepared by the present invention has a delicate appearance, good scratch resistance and excellent touch even under low gloss.

[0006] The technical solution of the present invention is as follows:

[0007] The first aspect of the present invention provides a UV skin-feel coating, wherein the UV skin-feel coating comprises the following raw materials in parts by weight:

[0008]

[0009]

[0010] The mass ratio of the tri-functional polyurethane resin to the 10-functional polyurethane resin is 3:2-3:1.

[0011] Preferably, the mass ratio of the tri-functionality polyurethane resin to the decaprolactone polyurethane resin is 5:2.

[0012] Preferably, the trifunctional polyurethane resin is L-6367-2 from Lancoro, and the ten-functional polyurethane resin is 1980TF from Ruishi.

[0013] Preferably, the reactive diluent is at least one of trimethylolpropane triacrylate, dipropylene glycol diacrylate and hexylene glycol diacrylate.

[0014] Preferably, the photoinitiator includes at least one of the photoinitiator 184 and the photoinitiator TPO. Preferably, the photoinitiator is the photoinitiator 184 and the photoinitiator TPO, and the mass ratio of the photoinitiator 184 to the photoinitiator TPO is 1-2:1.

[0015] Preferably, the leveling agent is at least one of BYK-358N, LC-915, and BYK-333.

[0016] Preferably, the matting powder includes at least one of E-1011, SY-350 and SYLOID ED 30 of Tosoh.

[0017] Preferably, the diluent includes at least one of butyl acetate, ethyl acetate and isopropanol.

[0018] The second aspect of the present invention provides a method for preparing the UV skin-feel coating according to the first aspect, the method comprising the following steps:

[0019] (1) mixing 30-50 parts of a trifunctional polyurethane resin, 10-20 parts of a 10-functional polyurethane resin, and 5-10 parts of a reactive diluent, and stirring to obtain a mixture A;

[0020] (2) Add 1-2 parts of photoinitiator, 0.2-0.5 parts of leveling agent, 2-3 parts of matting powder, and 10-20 parts of diluent to mixture A, stir until the fineness is ≤20 μm, filter, and the obtained filtrate is the UV skin-feel coating;

[0021] In step (1), the stirring speed is 600-800 r / min and the time is 20-30 min;

[0022] In step (2), the stirring speed is 800-1000 r / min and the time is 20-30 min.

[0023] A third aspect of the present invention provides an application of the UV skin-feel coating described in the first aspect or the UV skin-feel coating prepared by the preparation method described in the second aspect, wherein the UV skin-feel coating is used in electronic equipment.

[0024] The beneficial technical effects of the present invention are:

[0025] The present invention prepares UV skin-feel coating by rationally proportioning polyurethane resins and other components with different functionalities and properties. Among them, the 3-official polyurethane resin used has the characteristics of being able to quickly excite under a 254 nanometer lamp to form a relatively delicate, soft, elastic matte skin-feel effect, and excellent anti-scratch performance; the 10-official polyurethane resin used has high hardness, high chemical resistance, heat resistance, friction resistance and other properties; the active diluent used has high activity, low volatility, and low viscosity characteristics, and can impart good wear resistance and hardness adhesion in the coating. Among the photoinitiators used, 184 has excellent thermal stability and yellowing resistance, and has absorption peaks in long waves and short waves; TPO is an efficient free radical (I) type photoinitiator, which has absorption in the long-wave range, taking into account both surface drying and deep curing, and has the characteristics of rapid curing, yellowing resistance, low odor, etc. The two work together to allow the coating to be cured at different levels under LED lamps, 254 nanometer lamps, and mercury lamps, respectively, and finally the coating exhibits a matte, delicate, and excellent touch effect.

[0026] The preparation method of the UV skin-feel coating of the present invention is simple and easy to operate, and the obtained coating has a delicate appearance, excellent touch, and excellent performance, and fully meets the requirements of industrial large-scale production. DETAILED DESCRIPTION

[0027] The present invention will be described in detail below in conjunction with the embodiments.

[0028] The present invention provides a UV skin-feel coating and a preparation method and application thereof. It is understood that the present invention can make the coating have a skin-feel effect and excellent performance by controlling the relative amounts of 3-functionality polyurethane resin and 10-functionality polyurethane resin.

[0029] In some embodiments, the trifunctional polyurethane resin used in the present invention is L-6367-2 of Lancolu, which can be quickly stimulated under a 254 nm lamp to form a relatively delicate, soft, elastic matte skin-feeling effect and excellent anti-scratch performance.

[0030] In some embodiments, the 10-functionality polyurethane resin used in the present invention is Ruishi 1980TF, which has high hardness, high chemical resistance, heat resistance, friction resistance and other properties.

[0031] It is understandable that the present invention further produces a coating with better touch and better performance by limiting the amount and type of the trifunctional polyurethane resin and the defunctional polyurethane resin.

[0032] In some embodiments, the active diluent used in the present invention is TMPTA, which has the characteristics of high activity, low volatility, and low viscosity, can act as a diluent and cross-linker, and can impart good wear resistance and hardness adhesion in the coating.

[0033] In some embodiments, the photoinitiators used in the UV skin-feel coating of the present invention are photoinitiator 184 and photoinitiator TPO. Photoinitiator 184 has excellent thermal stability and yellowing resistance, and has absorption peaks in both long and short waves. Photoinitiator TPO is a highly efficient free radical (I) type photoinitiator, which has absorption in the long-wave range, takes into account both surface drying and deep curing, and has the characteristics of fast curing, yellowing resistance, and low odor.

[0034] It can be understood that the present invention uses two photoinitiators and limits their ratio, so that the coating can be cured at different levels under LED lamps, 254 nanometer lamps, and mercury lamps, and finally the coating exhibits a matte, delicate, and excellent tactile effect.

[0035] In some embodiments, the leveling agent of the present invention is BYK-358N, which has anti-crater and leveling effects, can increase the gloss and make the coating produce a long-wave effect, slightly reduce the surface tension, and does not affect the recoatability and interlayer adhesion.

[0036] In some embodiments, the matting powder of the present invention is E-1011 of Tosoh, which has the characteristics of easy dispersion, excellent matting property, and low blooming.

[0037] In some embodiments, the application method is: spraying the UV skin-feel coating on the housing of an electronic device, and obtaining a UV skin-feel coating after preheating and passing it through a UV lamp; the preheating temperature is 30-40°C, the preheating time is 3-5 minutes, and the UV lamp models include LED lamps, 254 nanometer lamps and mercury lamps.

[0038] The present invention will be further described below by way of examples and the like.

[0039] Example 1

[0040] A UV skin-feel coating comprises the following raw materials in parts by weight: 50 parts of tri-functional polyurethane resin Lancolu L-6367-2; 20 parts of 10-functional polyurethane resin Ruishi 1980TF; 5 parts of active diluent TMPTA; 1 part of 184 photoinitiator, 0.5 parts of TPO photoinitiator, 0.5 parts of leveling agent BYK-358N; 3 parts of matting powder Tosoh E-1011; and 20 parts of diluent butyl acetate.

[0041] The preparation method of the above-mentioned UV skin-feel coating comprises the following steps:

[0042] (1) 50 parts of tri-functional polyurethane resin Lancolu L-6367-2, 20 parts of 10-functional polyurethane resin Ruishi 1980TF and 5 parts of active diluent TMPTA were added to a mixing container and stirred at a stirring speed of 800 r / min for 30 minutes to obtain a mixture A;

[0043] (2) Add 1 part of 184 photoinitiator, 0.5 part of TPO photoinitiator, 0.5 part of leveling agent BYK-358N, 3 parts of matting powder Tosoh E-1011 and 20 parts of diluent butyl acetate into mixture A, stir at a stirring speed of 800 r / min for 30 minutes until the fineness is ≤20 μm, and filter to obtain a UV skin-feel coating.

[0044] Example 2

[0045] A UV skin-feel coating, comprising the following raw materials in parts by weight: 50 parts of 3-official polyurethane resin Lancolu L-6367-2, 10 parts of 10-official polyurethane resin Ruishi 1980TF, 10 parts of active diluent TMPTA, 1 part of 184 photoinitiator, 1 part of TPO photoinitiator, 0.5 parts of

[0046] Leveling agent BYK-358N, 3 parts of matting powder Tosoh E-1011, 20 parts of diluent butyl acetate. The preparation method of the above UV skin-feel coating includes the following steps:

[0047] (1) adding 50 parts of tri-functional polyurethane resin Lancolu L-6367-2, 10 parts of 10-functional polyurethane resin Ruishi 1980TF and 10 parts of active diluent TMPTA into a mixing container, stirring at a stirring speed of 800 r / min for 30 minutes to obtain a mixture A;

[0048] (2) Add 1 part of 184 photoinitiator, 1 part of TPO photoinitiator, 0.5 parts of leveling agent BYK-358N, 3 parts of matting powder Tosoh E-1011 and 20 parts of diluent butyl acetate into mixture A, stir at a stirring speed of 1000 r / min for 30 minutes until the fineness is ≤20 μm, and filter to obtain a UV skin-feel coating.

[0049] Example 3

[0050] A UV skin-feel coating comprises the following raw materials in parts by weight: 30 parts of tri-functional polyurethane resin Lancolu L-6367-2, 20 parts of 10-functional polyurethane resin Ruishi 1980TF, 5 parts of active diluent TMPTA, 1 part of 184 photoinitiator, 1 part of TPO photoinitiator, 0.5 parts of leveling agent BYK-358N, 3 parts of matting powder Tosoh E-1011 and 20 parts of diluent butyl acetate.

[0051] The preparation method of the above-mentioned UV skin-feel coating comprises the following steps:

[0052] (1) adding 30 parts of tri-functional polyurethane resin Lancolu L-6367-2, 20 parts of 10-functional polyurethane resin Ruishi 1980TF and 5 parts of active diluent TMPTA into a mixing container, stirring at a stirring speed of 800 r / min for 30 minutes to obtain a mixture A;

[0053] (2) Add 1 part of 184 photoinitiator, 1 part of TPO photoinitiator, 0.5 part of leveling agent BYK-358N, 3 parts of matting powder Tosoh E-1011 and 20 parts of diluent butyl acetate into mixture A, stir at a stirring speed of 800 r / min for 30 minutes until the fineness is ≤20 μm, and filter to obtain a UV skin-feel coating.

[0054] Example 4

[0055] A UV skin-feel coating comprises the following raw materials in parts by weight: 30 parts of tri-functional polyurethane resin Lancolu L-6367-2, 10 parts of 10-functional polyurethane resin Ruishi 1980TF, 5 parts of active diluent TMPTA, 0.5 parts of 184 photoinitiator, 0.5 parts of TPO photoinitiator, 0.2 parts of leveling agent BYK-358N, 2 parts of matting powder Tosoh E-1011 and 10 parts of diluent butyl acetate.

[0056] The preparation method of the above-mentioned UV skin-feel coating comprises the following steps:

[0057] (1) adding 30 parts of tri-functional polyurethane resin Lancolu L-6367-2, 10 parts of 10-functional polyurethane resin Ruishi 1980TF and 5 parts of active diluent TMPTA into a mixing container, stirring at a stirring speed of 800 r / min for 30 minutes to obtain a mixture A;

[0058] (2) Add 0.5 parts of 184 photoinitiator, 0.5 parts of TPO photoinitiator, 0.2 parts of leveling agent BYK-358N, 2 parts of matting powder Tosoh E-1011 and 10 parts of diluent butyl acetate into mixture A, stir at a stirring speed of 800 r / min for 30 minutes until the fineness is ≤20 μm, and filter to obtain a UV skin-feel coating.

[0059] Example 5

[0060] A UV skin-feel coating comprises the following raw materials in parts by weight: 50 parts of tri-functional polyurethane resin Lancolu L-6367-2, 20 parts of 10-functional polyurethane resin Ruishi 1980TF, 10 parts of active diluent TMPTA, 1 part of 184 photoinitiator, 1 part of TPO photoinitiator, 0.5 parts of leveling agent BYK-358N, 3 parts of matting powder Tosoh E-1011, and 20 parts of diluent butyl acetate.

[0061] The preparation method of the above-mentioned UV skin-feel coating comprises the following steps:

[0062] (1) adding 50 parts of tri-functional polyurethane resin Lancolu L-6367-2, 20 parts of 10-functional polyurethane resin Ruishi 1980TF and 10 parts of active diluent TMPTA into a mixing container, stirring at a stirring speed of 800 r / min for 30 minutes to obtain a mixture A;

[0063] (2) Add 1 part of 184 photoinitiator, 1 part of TPO photoinitiator, 0.5 parts of leveling agent BYK-358N, 3 parts of matting powder Tosoh E-1011 and 20 parts of diluent butyl acetate into mixture A, stir at a stirring speed of 1000 r / min for 30 minutes until the fineness is ≤20 μm, and filter to obtain a UV skin-feel coating.

[0064] Example 6

[0065] A UV skin-feel coating, the raw materials of which are basically the same as those in Example 1, except that the ratio of the two photoinitiators is changed. In this example, 1.6 parts of 184 photoinitiator and 0.4 parts of TPO photoinitiator are used.

[0066] A method for preparing a UV skin-feel coating is basically the same as that of Example 1, except that the amount of the above raw materials is changed.

[0067] Example 7

[0068] A UV skin-feel coating, the raw materials of which are basically the same as those in Example 1, except that the ratio of the two photoinitiators is changed. In this example, 0.2 parts of 184 photoinitiator and 1.8 parts of TPO photoinitiator are used.

[0069] A method for preparing a UV skin-feel coating is basically the same as that of Example 1, except that the amount of the above raw materials is changed.

[0070] Comparative Example 1

[0071] A common UV coating comprises the following raw materials in parts by weight: 50 parts of 4-official polyurethane resin Songren UE36-100, 20 parts of 10-official polyurethane resin Allnex EBECRYL225, 5 parts of active diluent TMPTA, 1 part of 184 photoinitiator, 0.5 parts of TPO photoinitiator, 0.5 parts of leveling agent BYK-358N, 5 parts of matting powder Tosoh E-1011, and 20 parts of diluent butyl acetate.

[0072] The preparation method of the above-mentioned UV coating comprises the following steps:

[0073] (1) Add 50 parts of a 4-official polyurethane resin Songren UE36-100, 20 parts of a 10-official polyurethane resin Allnex EBECRYL225, and 5 parts of a reactive diluent TMPTA into a mixing container, and stir at a stirring speed of 800 r / min for 30 minutes to obtain a mixture A;

[0074] (2) Add 1 part of 184 photoinitiator, 0.5 part of TPO photoinitiator, 0.5 part of leveling agent BYK-358N, 3 parts of matting powder Tosoh E-1011 and 20 parts of diluent butyl acetate into mixture A, stir at a stirring speed of 800 r / min for 30 min until the fineness is ≤20 μm, and filter to obtain ordinary UV coating.

[0075] Comparative Example 2

[0076] A common UV coating, whose raw materials and parts are basically the same as those in Example 1, except that the model of the trifunctional polyurethane resin is changed. This comparative example uses 50 parts of a trifunctional polyurethane resin, model Jiuwei UA-8262SF, and 20 parts of a 10-functional polyurethane resin Ruishi 1980TF.

[0077] Comparative Example 3

[0078] A common UV coating, whose raw materials and parts are basically the same as those of Example 1, except that the type of active diluent is changed. The active diluent used in this comparative example is dipropylene glycol diacrylate.

[0079] Comparative Example 4

[0080] A common UV coating, whose raw materials and parts are basically the same as those in Example 1, except that the type of photoinitiator is changed. This comparative example uses 1 part of IGM's 819DW photoinitiator and 0.5 part of TPO photoinitiator.

[0081] Comparative Example 5

[0082] A UV skin-feel coating, the raw materials of which are basically the same as those in Example 1, except that the ratio of the trifunctional polyurethane to the 10-functional polyurethane is changed. In this example, 60 parts of the trifunctional polyurethane resin Lancolu L-6367-2 and 5 parts of the 10-functional polyurethane resin Ruishi 1980TF are used.

[0083] A method for preparing a UV skin-feel coating is basically the same as that of Example 1, except that the amount of the above raw materials is changed.

[0084] Comparative Example 6

[0085] A UV skin-feel coating, the raw materials of which are basically the same as those in Example 1, except that the ratio of the trifunctional polyurethane to the 10-functional polyurethane is changed. In this example, 20 parts of the trifunctional polyurethane resin Lancolu L-6367-2 and 40 parts of the 10-functional polyurethane resin Ruishi 1980TF are used.

[0086] A method for preparing a UV skin-feel coating is basically the same as that of Example 1, except that the amount of the above raw materials is changed.

[0087] Application Examples 1-9

[0088] Application Example 1-9 is an application example corresponding to Example 1-7, that is, the coatings of Examples 1-9 are used to prepare coatings to obtain Application Example 1-7. The specific method is as follows: the UV coating of the present invention is prepared and used immediately, and the UV coating obtained in the example is filtered with 300 mesh, and then sprayed on the PC material in a clean room. The temperature of the clean room is controlled at 25-30°C, the humidity is controlled at 40-50%, and the spraying pressure is 0.4MPa to control the wet film state. The product is placed in an oven for 1-2 minutes, and after being placed at 40°C for 5 minutes, it is passed through an LED lamp, a 254 nanometer lamp, and a mercury lamp to obtain a final sample with a dry film thickness of 20-25μm.

[0089] Comparative Application Examples 1-6

[0090] Comparative Application 1-6 is an application example corresponding to Comparative Example 1-6, that is, coatings are prepared using the coatings of Comparative Examples 1-6, respectively, to obtain Comparative Application Examples 1-6, and the specific methods are as follows:

[0091] The UV coatings obtained in Comparative Examples 1-6 were filtered through 300 mesh, and then sprayed on PC materials in a clean room. The temperature of the clean room was controlled at 25-30°C, the humidity was controlled at 40-50%, and the spraying pressure was 0.4MPa to control the wet film state. The product was placed in an oven for 1-2 minutes, and placed at 40°C for 5 minutes. After being passed through a mercury lamp, a final sample with a dry film thickness of 20-25μm was obtained.

[0092] Test example:

[0093] The final samples of the application examples and comparative application examples were tested for appearance, touch (skin feel), adhesion, wool felt test, high temperature and high humidity resistance, scratch resistance and hardness.

[0094] Among them, the appearance and touch are measured by sensory organs. Among them, the appearance is from good to bad: fine, coarse, rough, rough, rough means unqualified; the touch is from good to bad: excellent, slightly poor, general, poor, among which general and poor indicate unqualified. Adhesion is the test of PC material adhesion, which is measured according to the standard ASTM 3359B; the wool felt test is evaluated by 100,000 times / 500g load; high temperature and high humidity resistance is measured according to the standard GB / T 1735-2009, which is the change at 85℃, 95% humidity for 96h; scratch resistance is tested according to the standard GMW14698; hardness is measured according to GB / T6379-1996, 1kg load, ≥H is qualified, otherwise it is unqualified. The test results are shown in Table 1.

[0095] Table 1 Performance test of products in application examples and comparative application examples

[0096]

[0097] As can be seen from the above table, the product corresponding to the coating prepared in Example 1 has the best performance in all tests, with OK adhesion, OK hardness under high temperature and high humidity, the most delicate appearance, the most excellent touch (skin feel), and the scratch resistance and wool felt tests can also meet the requirements. The product prepared by the ordinary UV coating of Comparative Example 1 is not delicate enough in appearance and has a general touch compared to the product prepared by the skin-feel UV coating of the embodiment. It cannot meet the requirements of the wool felt test and the scratch resistance test. Comparative Examples 1-7 use the same raw materials, but different addition ratios of each raw material, and the prepared coatings have great differences in appearance and touch.

[0098] In summary, the tri-functional polyurethane resin used in the UV skin-feel coating of the present invention can be quickly stimulated to form a relatively delicate, soft, elastic matte skin-feel effect under a 254 nanometer lamp, and has excellent anti-scratch performance; the 10-functional polyurethane resin used has high hardness, high chemical resistance, heat resistance, friction resistance and other properties; the active diluent used has high activity, low volatility, and low viscosity characteristics, and can impart good wear resistance and hardness adhesion to the coating; the UV skin-feel coating prepared according to a specific ratio of the resin and leveling agent, photoinitiator, matting powder and diluent with the above characteristics has better skin feel, more delicate matte effect and more excellent wear resistance.

[0099] The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments. It is understood that other improvements and changes directly derived or associated by those skilled in the art without departing from the spirit and concept of the present invention should be considered to be included in the protection scope of the present invention.

Claims

1. A UV skin-feel coating, characterized in that: The UV skin-feel coating comprises the following raw materials in parts by weight: The mass ratio of the trifunctional polyurethane resin to the 10-functional polyurethane resin is 3:2-3:

1.

2. The UV skin-feel coating according to claim 1, characterized in that: The mass ratio of the tri-functional polyurethane resin to the deca-functional polyurethane resin is 5:

2.

3. The UV skin-feel coating according to claim 1, characterized in that: The trifunctional polyurethane resin is L-6367-2 from Lancoro, and the ten-functional polyurethane resin is 1980TF from Ruishi.

4. The UV skin-feel coating according to claim 1, characterized in that: The active diluent is at least one of trimethylolpropane triacrylate, dipropylene glycol diacrylate and hexylene glycol diacrylate.

5. The UV skin-feel coating according to claim 1, characterized in that: The photoinitiator includes at least one of the photoinitiator 184 and the photoinitiator TPO. Preferably, the photoinitiator is the photoinitiator 184 and the photoinitiator TPO, and the mass ratio of the photoinitiator 184 to the photoinitiator TPO is 1-2:

1.

6. The UV skin-feel coating according to claim 1, characterized in that: The leveling agent is at least one of BYK-358N, LC-915, and BYK-333.

7. The UV skin-feel coating according to claim 1, characterized in that: The matting powder includes at least one of E-1011, SY-350 and SYLOID ED 30 produced by Tosoh.

8. The UV skin-feel coating according to claim 1, characterized in that: The diluent includes at least one of butyl acetate, ethyl acetate and isopropanol.

9. A method for preparing the UV skin-feel coating according to any one of claims 1 to 8, characterized in that: The preparation method comprises the following steps: (1) mixing 30-50 parts of a trifunctional polyurethane resin, 10-20 parts of a 10-functional polyurethane resin, and 5-10 parts of a reactive diluent, and stirring to obtain a mixture A; (2) Add 1-2 parts of photoinitiator, 0.2-0.5 parts of leveling agent, 2-3 parts of matting powder, and 10-20 parts of diluent to mixture A, stir until the fineness is ≤20 μm, filter, and the obtained filtrate is the UV skin-feel coating; In step (1), the stirring speed is 600-800 r / min and the time is 20-30 min; In step (2), the stirring speed is 800-1000 r / min and the time is 20-30 min.

10. An application of the UV skin-feel coating according to any one of claims 1 to 8 or the UV skin-feel coating prepared by the preparation method according to claim 9, characterized in that: The UV skin-feel coating is used for electronic devices.

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