UV decorative panels modified with bioactive ingredients and their production processes

Abstract

The present invention provides a UV decorative panel modified with bioactive components and its production process. The production process includes preparing a microcapsule wall material solution, preparing a density board, and a UV finishing step. The preparation of the microcapsule wall material solution includes steps of starch plasma treatment, heat treatment, denaturation, and mixing and dissolution. The starch plasma treatment step is to place corn starch in a low-temperature plasma device for low-temperature plasma treatment. The treatment temperature is 6-10 °C, the treatment time is 5-9 min, the treatment power is 21-27 W, the treatment frequency is 8-10 kHz, and the treatment air gap spacing is 4-6 mm. After completion, the starch treated with low-temperature plasma is obtained. The UV decorative panel prepared by the present invention has good antibacterial performance, excellent antiviral performance, a high mold-proof grade, strong adhesion, good strength performance, and a high strength performance retention rate after ultraviolet irradiation.

Description

Technical Field

[0001] The present invention belongs to the technical field of UV decorative panels, and particularly relates to a UV decorative panel modified with bioactive components and its production process. Background Art

[0002] UV decorative panels are the latest environmentally friendly decorative materials on the market. The surface is protected by UV-curable paint, which has the advantages of smoothness, wear resistance, scratch resistance, pollution and corrosion resistance, etc., and is suitable for cabinet, sliding door, home, and hotel decorative board projects.

[0003] The prior art has the following problems when preparing UV decorative panels:

[0004] First, the surface coating is relatively difficult, the adhesion performance of UV coatings on its surface is poor, and with the increase of use time, the surface paint film will have problems of cracking and peeling.

[0005] Second, after ultraviolet irradiation, the strength performance decreases rapidly, seriously shortening the service life.

[0006] Third, the prior art usually adds plant extracts to improve antibacterial and antiviral properties, but molecules such as plant extracts will affect the strength performance of UV decorative panels, and the antibacterial and antiviral properties are not persistent; the prior art also has a method of making plant extracts into microcapsules to reduce loss and extend the period of antibacterial and antiviral properties, but macromolecules such as microcapsules still affect the strength performance of UV decorative panels. Summary of the Invention

[0007] In order to solve the technical problems existing in the prior art, the present invention provides a UV decorative panel modified with bioactive components and its production process. The prepared UV decorative panel has good adhesion, excellent UV irradiation resistance, persistent antibacterial and antiviral effects, and excellent strength performance.

[0008] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0009] 1. Preparation of microcapsule wall material solution

[0010] (1) Starch plasma treatment

[0011] Corn starch is placed in a low-temperature plasma device for low-temperature plasma treatment. The treatment temperature is 6 - 10°C, the treatment time is 5 - 9 min, the treatment power is 21 - 27 W, the treatment frequency is 8 - 10 kHz, and the treatment air gap distance is 4 - 6 mm. After completion, the starch treated by low-temperature plasma is obtained.

[0012] (2) Heat treatment

[0013] Mix the starch treated with low-temperature plasma with deionized water, heat it to 76 - 80 °C at a rate of 0.3 - 0.5 °C / min, stir for 22 - 26 min at a stirring speed of 74 - 82 rpm. After stirring, cool it to 45 - 47 °C at a rate of 0.7 - 0.9 °C / min, continue to stir for 26 - 34 min at a stirring speed of 120 - 128 rpm, and then dry after stirring to obtain the heat-treated starch;

[0014] The mass ratio of the starch treated with low-temperature plasma to deionized water is 1:4.6 - 5.0;

[0015] (3)Denaturation

[0016] Mix the heat-treated starch with an ethanol solution, then add sodium hydroxide, an auxiliary agent, and deionized water and stir. The stirring temperature is 26 - 32 °C, and the stirring time is 13 - 17 min. After stirring, add sodium dihydrogen phosphate and continue to stir. The stirring temperature is 34 - 41 °C, and the stirring time is 48 - 52 min at a stirring speed of 340 - 352 rpm. After stirring, add sodium chloroacetate, raise the temperature to 79 - 85 °C, and perform ultrasonic oscillation treatment. The ultrasonic oscillation time is 38 - 42 min, the ultrasonic oscillation power is 117 - 123 W, and the ultrasonic oscillation frequency is 25 - 29 kHz. After the ultrasonic oscillation ends, pulverize and sieve through a 60 - 100 mesh sieve to obtain the denatured starch;

[0017] The mass concentration of the ethanol solution is 80 - 86%;

[0018] The mass ratio of the heat-treated starch, ethanol solution, sodium hydroxide, auxiliary agent, deionized water, sodium dihydrogen phosphate, and sodium chloroacetate is 103 - 110:15 - 19:2.4 - 2.8:0.6 - 0.8:8.2 - 8.6:4.1 - 4.3:7.4 - 8.0;

[0019] The preparation method of the auxiliary agent is as follows: Mix fatty alcohol polyoxyethylene ether and coconut oil amide, raise the temperature to 43 - 47 °C, stir for 15 - 19 min, then add polyethylene glycol glycerol laurate, raise the temperature to 52 - 60 °C, and perform heat treatment at 52 - 60 °C for 17 - 23 min. After the heat treatment ends, cool it to room temperature to obtain the auxiliary agent;

[0020] The mass ratio of fatty alcohol polyoxyethylene ether, coconut oil amide, and polyethylene glycol glycerol laurate is 5.6 - 6.0:1.3 - 1.5:2.1 - 2.5;

[0021] (4)Mixing and dissolution

[0022] Mix the modified starch and sodium alginate, then add maltodextrin. After mixing evenly, raise the temperature to 75 - 79 °C and the pressure to 1.0 - 1.4 MPa. Add sorbitol, microcrystalline cellulose, and deionized water, and stir. The stirring time is 23 - 27 min, and the stirring speed is 201 - 207 rpm. After stirring, raise the pressure to 1.3 - 1.7 MPa, lower the temperature to 64 - 68 °C, and conduct a sealing treatment for 27 - 33 min. After the sealing treatment, a microcapsule wall material solution is obtained.

[0023] The mass ratio of the modified starch, sodium alginate, maltodextrin, sorbitol, microcrystalline cellulose, and deionized water is 10 - 12:2.8 - 3.2:5.6 - 6.4:1.3 - 1.5:0.9 - 1.1:66 - 70.

[0024] 2. Preparation of density board

[0025] (1)Fiber crushing and drying

[0026] Crush and dry the poplar wood scraps to obtain crushed and dried fibers. Control the length of the crushed fibers to be 1.8 - 2.2 mm, and the moisture content to be 6.1 - 6.7%.

[0027] (2)Fiber strengthening

[0028] Mix the crushed and dried fibers with modified glass fibers, straw fibers, and hydroxypropyl methylcellulose to obtain strengthened fibers.

[0029] The mass ratio of the crushed and dried fibers, modified glass fibers, straw fibers, and hydroxypropyl methylcellulose is 35 - 39:2.2 - 2.6:1.3 - 1.5:1.8 - 2.2.

[0030] The method for modifying the glass fibers is as follows:

[0031] a. Impregnation

[0032] Place the glass fibers in a hydrochloric acid solution for impregnation. The impregnation temperature is 38 - 42 °C, and the impregnation time is 1.0 - 1.4 h. After impregnation, wash and dry to obtain impregnated glass fibers.

[0033] The mass ratio of the glass fibers to the hydrochloric acid solution is 1:3.4 - 3.8.

[0034] b. Preliminary modification

[0035] Place the impregnated glass fiber in a vacuum-sealed container, evacuate to 0.06 - 0.08 MPa, conduct vacuum treatment for 8 - 12 min. After the vacuum treatment, increase the pressure to 3.0 - 3.4 MPa, increase the temperature to 122 - 126 °C, conduct high-temperature and high-pressure treatment for 13 - 17 min. After the high-temperature and high-pressure treatment, lower the temperature to 74 - 80 °C, add deionized water, ethylene glycol, zinc stearate, and tartaric acid, increase the pressure to 3.5 - 3.9 MPa, control the stirring rate at 214 - 220 rpm, stir for 13 - 17 min, and dry after stirring to obtain the preliminarily modified glass fiber;

[0036] The mass ratio of the impregnated glass fiber, deionized water, ethylene glycol, zinc stearate, and tartaric acid is 15 - 19:60 - 67:2.2 - 2.4:1.4 - 1.6:2.0 - 2.2;

[0037] c. Silane modification

[0038] Mix the preliminarily modified glass fiber with hydrogen peroxide, then add kh550, control the stirring rate at 120 - 132 rpm, stir for 49 - 55 min, then add phytic acid for ultraviolet-ultrasonic treatment for 4 - 6 min, the ultraviolet wavelength is 155 - 165 nm, the microwave power is 237 - 243 W, the microwave frequency is 28 - 32 kHz, and obtain the modified glass fiber after the ultraviolet-ultrasonic treatment;

[0039] The mass ratio of the preliminarily modified glass fiber, hydrogen peroxide, kh550, and phytic acid is 11 - 13:107 - 113:0.9 - 1.1:1.5 - 1.7.

[0040] (3)Sizing

[0041] Add polyurethane emulsion, microcapsules containing plant active ingredients, soybean protein glue, and gum arabic to the reinforced fiber, stir evenly to obtain the sized fiber;

[0042] The mass ratio of the reinforced fiber, polyurethane emulsion, microcapsules containing plant active ingredients, soybean protein glue, and gum arabic is 52 - 56:2.2 - 2.6:1.8 - 2.2:3.2 - 3.8:2.0 - 2.2;

[0043] The preparation method of the microcapsules containing plant active ingredients is specifically as follows: Mix the plant active ingredients with the microcapsule wall material solution, then add span-80 and lecithin, stir evenly and conduct three homogenization treatments, the homogenization time is 2 - 4 min, the homogenization pressure is 13 - 17 MPa, and after the homogenization treatment, dry to obtain the microcapsules containing plant active ingredients;

[0044] The plant active ingredient is one of the active ingredients of Sarcandra glabra and Pinus massoniana needles;

[0045] The mass ratio of the plant active ingredient, microcapsule wall material solution, Span-80, and lecithin is 14-16:87-93:2.2-2.6:2.8-3.2.

[0046] (4)Hot pressing

[0047] Lay the sized fibers into shape, and then perform hot pressing treatment. The pressure is 52-56 MPa. First, heat up to 158-162 °C at a rate of 2.1-2.5 °C / min, keep warm for 6-10 min. After the heat preservation ends, continue heating. The heating temperature is 211-217 °C, keep warm for 15-19 min, and finally cool down to room temperature at a rate of 0.8-1.2 °C / min to obtain a density board.

[0048] 3. UV finishing

[0049] (1)Prepare the primary coating

[0050] Mix hydroxyethyl methacrylate, neopentyl glycol diacrylate, and polyurethane acrylate evenly, and then add benzophenone. Control the temperature at 30-34 °C, and stir evenly to obtain the coating;

[0051] The mass ratio of hydroxyethyl methacrylate, neopentyl glycol diacrylate, polyurethane acrylate, and benzophenone is 16-20:5-9:20-22:1.1-1.3;

[0052] (2)Prepare the coating

[0053] Mix the primary coating with the microcapsules containing plant essential oil, and then add nano-titanium dioxide and aluminum hydroxide. After mixing evenly, first heat-treat at 50-54 °C for 13-17 mmin, then freeze-treat at -1.4~-1.0 °C for 20-26 min, and naturally return to room temperature to obtain the coating;

[0054] The preparation method of the microcapsules containing plant essential oil is to mix the plant essential oil with the microcapsule wall material solution, then add Tween-20 and gellan gum, stir evenly and perform three homogenization treatments. The homogenization time is 4-6 min, the homogenization pressure is 22-24 MPa. After the homogenization treatment, dry to obtain the microcapsules containing plant essential oil;

[0055] The plant essential oil is one of tea essential oil, Murraya paniculata essential oil, and cepharanthine essential oil;

[0056] The mass ratio of the plant essential oil, microcapsule wall material solution, Tween-20, and gellan gum is 11-13:72-76:1.6-1.8:1.7-2.3;

[0057] The mass ratio of the primary coating, the microcapsules containing plant essential oils, nano-titanium dioxide, and aluminum hydroxide is 35-39:4.4-4.6:2.2-2.4:1.6-2.0;

[0058] (3)UV irradiation

[0059] Apply the coating on the surface of the density board and carry out UV curing. The curing time is 5-7 min, the UV nano-wavelength is 263-277 nm, and the UV decorative board is obtained after the curing is completed;

[0060] The mass ratio of the coating to the density board is 2.5-2.9:1.

[0061] Compared with the prior art, the present invention has achieved the following beneficial effects:

[0062] 1. The UV decorative board prepared by the present invention has good antibacterial performance, excellent antiviral performance, and long-lasting effect. The antibacterial rate against Staphylococcus aureus is 95.2-97.4%, the antibacterial rate against Escherichia coli is 93.7-94.6%, and the antibacterial rate against Klebsiella pneumoniae is 94.2-95.5%; the inhibition rate against influenza A virus H3N2 is 94.5-96.7%, and the inhibition rate against enterovirus EV71 is 91.8-93.9%;

[0063] 2. The UV decorative board prepared by the present invention has a mildew-proof grade of 0;

[0064] 3. The UV decorative board prepared by the present invention has an adhesion grade of 0, a hardness of 3H, a static bending strength of 50.6-52.5 MPa, an elastic modulus of 5098-8127 MPa, an internal bonding strength of 2.5-2.8 MPa, and an impact strength of 4.4-4.8 kJ / m 2 ;

[0065] Irradiate under ultraviolet light with an intensity of 800 W / m 2 for 30 d, the adhesion grade is 0, the static bending strength is 48.9-51.45 MPa, the elastic modulus is 4843-4921 MPa, and the impact strength is 4.2-4.6 kJ / m 2 。 Specific embodiments

[0066] In order to more clearly understand the technical features, objectives, and effects of the present invention, the specific embodiments of the present invention are now described.

[0067] Example 1 Production process of a UV decorative board modified with bioactive components

[0068] 1. Prepare the microcapsule wall material solution

[0069] (1)Starch plasma treatment

[0070] Place corn starch in a low-temperature plasma device for low-temperature plasma treatment. The treatment temperature is 8°C, the treatment time is 7 min, the treatment power is 24 W, the treatment frequency is 9 kHz, and the treatment air gap distance is 5 mm. After the treatment, the starch treated by low-temperature plasma is obtained;

[0071] (2)Heat treatment

[0072] Mix the starch treated by low-temperature plasma with deionized water, heat it to 78°C at a rate of 0.4°C / min, stir for 24 min, the stirring speed is 78 rpm. After the stirring ends, cool it to 46°C at a rate of 0.8°C / min, continue to stir for 30 min, the stirring speed is 124 rpm. After the stirring ends, dry it to obtain the starch after heat treatment;

[0073] The mass ratio of the starch treated by low-temperature plasma to deionized water is 1:4.8;

[0074] (3)Denaturation

[0075] Mix the starch after heat treatment with an ethanol solution, then add sodium hydroxide, an auxiliary agent and deionized water and stir. The stirring temperature is 29°C, the stirring time is 15 min. After the stirring ends, add sodium dihydrogen phosphate and continue to stir. The stirring temperature is 37°C, the stirring time is 50 min, the stirring speed is 346 rpm. After the stirring ends, add sodium chloroacetate, raise the temperature to 82°C, and perform ultrasonic oscillation treatment. The ultrasonic oscillation time is 40 min, the ultrasonic oscillation power is 120 W, the ultrasonic oscillation frequency is 27 kHz. After the ultrasonic oscillation ends, pulverize and pass through an 80-mesh sieve to obtain the denatured starch;

[0076] The mass concentration of the ethanol solution is 83%;

[0077] The mass ratio of the starch after heat treatment, ethanol solution, sodium hydroxide, auxiliary agent, deionized water, sodium dihydrogen phosphate and sodium chloroacetate is 106:17:2.6:0.7:8.4:4.2:7.7;

[0078] The preparation method of the auxiliary agent is as follows: mix fatty alcohol polyoxyethylene ether and coconut oil amide, raise the temperature to 45°C, stir for 17 min, then add polyethylene glycol glycerol laurate, raise the temperature to 56°C, and perform heat treatment at 56°C for 20 min. After the heat treatment ends, cool it to room temperature to obtain the auxiliary agent;

[0079] The mass ratio of fatty alcohol polyoxyethylene ether, coconut oil amide and polyethylene glycol glycerol laurate is 5.8:1.4:2.3;

[0080] (4)Mixing and dissolving

[0081] Mix the modified starch and sodium alginate, then add maltodextrin. After mixing evenly, raise the temperature to 77 °C and the pressure to 1.2 MPa. Add sorbitol, microcrystalline cellulose and deionized water, and stir. The stirring time is 25 min, the stirring speed is 204 rpm. After stirring, raise the pressure to 1.5 MPa and lower the temperature to 66 °C, and carry out airtight treatment for 30 min. After the airtight treatment is completed, a microcapsule wall material solution is prepared.

[0082] The mass ratio of the modified starch, sodium alginate, maltodextrin, sorbitol, microcrystalline cellulose and deionized water is 11:3:6:1.4:1.0:68.

[0083] 2. Prepare the density board

[0084] (1)Fiber crushing and drying

[0085] Crush and dry the poplar wood scraps to obtain the crushed and dried fibers, control the length of the crushed fibers to be 2 mm, and the moisture content to be 6.4%.

[0086] (2)Fiber strengthening

[0087] Mix the crushed and dried fibers with modified glass fibers, straw fibers and hydroxypropyl methylcellulose to obtain the strengthened fibers.

[0088] The mass ratio of the crushed and dried fibers, modified glass fibers, straw fibers and hydroxypropyl methylcellulose is 37:2.4:1.4:2.0.

[0089] The method for modifying the glass fibers is as follows:

[0090] a. Impregnation

[0091] Place the glass fibers in a hydrochloric acid solution for impregnation. The impregnation temperature is 40 °C and the impregnation time is 1.2 h. After impregnation, wash and dry to obtain the impregnated glass fibers.

[0092] The mass ratio of the glass fibers to the hydrochloric acid solution is 1:3.6.

[0093] b. Preliminary modification

[0094] Place the impregnated glass fiber in a vacuum-sealed container, evacuate to 0.07 MPa, conduct vacuum treatment for 10 min. After the vacuum treatment, increase the pressure to 3.2 MPa, raise the temperature to 124 °C, and conduct high-temperature and high-pressure treatment for 15 min. After the high-temperature and high-pressure treatment, lower the temperature to 77 °C, add deionized water, ethylene glycol, zinc stearate, and tartaric acid, increase the pressure to 3.7 MPa, control the stirring rate at 217 rpm, stir for 15 min, and dry after stirring to obtain the preliminarily modified glass fiber;

[0095] The mass ratio of the impregnated glass fiber, deionized water, ethylene glycol, zinc stearate, and tartaric acid is 17:64:2.3:1.5:2.1;

[0096] c. Silane modification

[0097] Mix the preliminarily modified glass fiber with hydrogen peroxide, then add kh550, control the stirring rate at 126 rpm, stir for 52 min, then add phytic acid for ultraviolet-ultrasonic treatment for 5 min, with an ultraviolet wavelength of 160 nm, a microwave power of 240 W, and a microwave frequency of 30 kHz. After the ultraviolet-ultrasonic treatment, obtain the modified glass fiber;

[0098] The mass ratio of the preliminarily modified glass fiber, hydrogen peroxide, kh550, and phytic acid is 12:110:1.0:1.6.

[0099] (3)Sizing

[0100] Add polyurethane emulsion, microcapsules containing the active ingredient of Sarcandra glabra, soy protein glue, and gum arabic to the reinforced fiber, stir evenly to obtain the sized fiber;

[0101] The mass ratio of the reinforced fiber, polyurethane emulsion, microcapsules containing the active ingredient of Sarcandra glabra, soy protein glue, and gum arabic is 54:2.4:2.0:3.5:2.1;

[0102] The preparation method of the microcapsules containing the active ingredient of Sarcandra glabra is as follows: Mix the active ingredient of Sarcandra glabra with the microcapsule wall material solution, then add Span-80 and lecithin, stir evenly and conduct three homogenization treatments, with a homogenization time of 3 min and a homogenization pressure of 15 MPa. After the homogenization treatment, dry to obtain the microcapsules containing the active ingredient of Sarcandra glabra;

[0103] The mass ratio of the active ingredient of Sarcandra glabra, microcapsule wall material solution, Span-80, and lecithin is 15:90:2.4:3.0.

[0104] (4)Hot pressing and forming

[0105] The sized fibers are paved and formed, and then hot-pressed at a pressure of 54 MPa. First, the temperature is raised to 160 °C at a rate of 2.3 °C / min and held for 8 min. After the heat preservation ends, heating continues, the heating temperature is 214 °C, and it is held for 17 min. Finally, it is cooled to room temperature at a rate of 1.0 °C / min to obtain a density board.

[0106] 3. UV Finishing

[0107] (1)Preparation of primary coating

[0108] Hydroxyethyl methacrylate, neopentyl glycol diacrylate, and polyurethane acrylate are mixed evenly, and then benzophenone is added. The temperature is controlled at 32 °C, and the coating is obtained after stirring evenly.

[0109] The mass ratio of hydroxyethyl methacrylate, neopentyl glycol diacrylate, polyurethane acrylate, and benzophenone is 18:7:21:1.2.

[0110] (2)Preparation of coating

[0111] The primary coating is mixed with microcapsules containing tea essential oil, and then nano-titanium dioxide and aluminum hydroxide are added. After mixing evenly, it is first heat-treated at 52 °C for 15 mmin, then freeze-treated at -1.2 °C for 23 min, and the coating is obtained after naturally recovering to room temperature.

[0112] The preparation method of the microcapsules containing tea essential oil is as follows: Tea essential oil is mixed with the microcapsule wall material solution, and then Tween-20 and gellan gum are added. After stirring evenly, it is subjected to three homogenization treatments. The homogenization time is 5 min, and the homogenization pressure is 23 MPa. After the homogenization treatment ends, it is dried to obtain the microcapsules containing tea essential oil.

[0113] The mass ratio of tea essential oil, microcapsule wall material solution, Tween-20, and gellan gum is 12:74:1.7:2.0.

[0114] The mass ratio of the primary coating, microcapsules containing tea essential oil, nano-titanium dioxide, and aluminum hydroxide is 37:4.5:2.3:1.8.

[0115] (3)UV irradiation

[0116] The coating is applied on the surface of the density board and subjected to UV curing. The curing time is 6 min, the UV nano-wavelength is 270 nm, and the UV-finished board is obtained after curing.

[0117] The mass ratio of the coating to the density board is 2.7:1.

[0118] Example 2 Production process of UV-finished board modified with bioactive ingredients

[0119] 1. Preparation of microcapsule wall material solution

[0120] (1)Plasma treatment of starch

[0121] Place corn starch in a low-temperature plasma device for low-temperature plasma treatment. The treatment temperature is 6°C, the treatment time is 5 min, the treatment power is 21 W, the treatment frequency is 8 kHz, and the treatment air gap distance is 4 mm. After the treatment, the starch treated by low-temperature plasma is obtained;

[0122] (2)Heating treatment

[0123] Mix the starch treated by low-temperature plasma with deionized water, heat it up to 76°C at a rate of 0.3°C / min, stir for 22 min, the stirring speed is 74 rpm. After the stirring ends, cool it down to 45°C at a rate of 0.7°C / min, continue to stir for 26 min, the stirring speed is 120 rpm. After the stirring ends, dry it to obtain the starch after heating treatment;

[0124] The mass ratio of the starch treated by low-temperature plasma to deionized water is 1:4.6;

[0125] (3)Denaturation

[0126] Mix the starch after heating treatment with ethanol solution, then add sodium hydroxide, auxiliary agent and deionized water and stir. The stirring temperature is 26°C, the stirring time is 13 min. After the stirring ends, add sodium dihydrogen phosphate and continue to stir. The stirring temperature is 34°C, the stirring time is 48 min, the stirring speed is 340 rpm. After the stirring ends, add sodium chloroacetate, raise the temperature to 79°C, and carry out ultrasonic oscillation treatment. The ultrasonic oscillation time is 38 min, the ultrasonic oscillation power is 117 W, the ultrasonic oscillation frequency is 25 kHz. After the ultrasonic oscillation ends, pulverize and pass through a 60-mesh sieve to obtain the denatured starch;

[0127] The mass concentration of the ethanol solution is 80%;

[0128] The mass ratio of the starch after heating treatment, ethanol solution, sodium hydroxide, auxiliary agent, deionized water, sodium dihydrogen phosphate and sodium chloroacetate is 103:15:2.4:0.6:8.2:4.1:7.4;

[0129] The preparation method of the auxiliary agent is as follows: mix fatty alcohol polyoxyethylene ether and coconut oil amide, raise the temperature to 43°C, stir for 15 min, then add polyethylene glycol glycerol laurate, raise the temperature to 52°C, and carry out heat treatment at 52°C for 17 min. After the heat treatment ends, cool it down to room temperature to obtain the auxiliary agent;

[0130] The mass ratio of the fatty alcohol polyoxyethylene ether, coconut oil amide and polyethylene glycol glycerol laurate is 5.6:1.3:2.1;

[0131] (4)Mixing and dissolving

[0132] Mix the modified starch and sodium alginate, then add maltodextrin. After mixing evenly, raise the temperature to 75 °C and the pressure to 1.0 MPa. Add sorbitol, microcrystalline cellulose and deionized water, and stir. The stirring time is 23 min, the stirring speed is 201 rpm. After stirring, raise the pressure to 1.3 MPa, lower the temperature to 64 °C, and perform airtight treatment for 27 min. After the airtight treatment is completed, a microcapsule wall material solution is prepared;

[0133] The mass ratio of the modified starch, sodium alginate, maltodextrin, sorbitol, microcrystalline cellulose and deionized water is 10:2.8:5.6:1.3:0.9:66.

[0134] 2. Preparation of density board

[0135] (1)Fiber crushing and drying

[0136] Crush and dry the poplar wood scraps to obtain the crushed and dried fibers. Control the length of the crushed fibers to be 1.8 mm and the moisture content to be 6.1%;

[0137] (2)Fiber strengthening

[0138] Mix the crushed and dried fibers with modified glass fibers, straw fibers and hydroxypropyl methylcellulose to obtain the strengthened fibers;

[0139] The mass ratio of the crushed and dried fibers, modified glass fibers, straw fibers and hydroxypropyl methylcellulose is 35:2.2:1.3:1.8;

[0140] The method for modifying the glass fibers is as follows:

[0141] a. Impregnation

[0142] Place the glass fibers in a hydrochloric acid solution for impregnation. The impregnation temperature is 38 °C and the impregnation time is 1.0 h. After impregnation, wash and dry to obtain the impregnated glass fibers;

[0143] The mass ratio of the glass fibers to the hydrochloric acid solution is 1:3.4;

[0144] b. Preliminary modification

[0145] The impregnated glass fibers are placed in a vacuum-sealed container, evacuated to 0.06 MPa, and vacuum-treated for 8 min. After the vacuum treatment, the pressure is increased to 3.0 MPa, the temperature is increased to 122 °C, and high-temperature and high-pressure treatment is carried out for 13 min. After the high-temperature and high-pressure treatment, the temperature is decreased to 74 °C, deionized water, ethylene glycol, zinc stearate, and tartaric acid are added, the pressure is increased to 3.5 MPa, the stirring rate is controlled at 214 rpm, and stirring is carried out for 13 min. After stirring, drying is carried out to obtain preliminarily modified glass fibers;

[0146] The mass ratio of the impregnated glass fibers, deionized water, ethylene glycol, zinc stearate, and tartaric acid is 15:60:2.2:1.4:2.0;

[0147] c. Silane modification

[0148] The preliminarily modified glass fibers are mixed with hydrogen peroxide, and then kh550 is added. The stirring rate is controlled at 120 rpm, and the stirring time is 49 min. Then phytic acid is added for ultraviolet-ultrasonic treatment. The treatment time is 4 min, the ultraviolet wavelength is 155 nm, the microwave power is 237 W, and the microwave frequency is 28 kHz. After the ultraviolet-ultrasonic treatment, modified glass fibers are obtained;

[0149] The mass ratio of the preliminarily modified glass fibers, hydrogen peroxide, kh550, and phytic acid is 11:107:0.9:1.5.

[0150] (3)Sizing

[0151] Polyurethane emulsion, microcapsules containing the active ingredients of masson pine needles, soybean protein glue, and gum arabic are added to the reinforced fibers. After stirring evenly, sized fibers are obtained;

[0152] The mass ratio of the reinforced fibers, polyurethane emulsion, microcapsules containing the active ingredients of masson pine needles, soybean protein glue, and gum arabic is 52:2.2:1.8:3.2:2.0;

[0153] The preparation method of the microcapsules containing the active ingredients of masson pine needles is specifically as follows: The active ingredients of masson pine needles are mixed with the microcapsule wall material solution, and then span-80 and lecithin are added. After stirring evenly, three homogenization treatments are carried out. The homogenization time is 2 min, and the homogenization pressure is 17 MPa. After the homogenization treatment, drying is carried out to obtain microcapsules containing the active ingredients of masson pine needles;

[0154] The mass ratio of the active ingredients of masson pine needles, microcapsule wall material solution, span-80, and lecithin is 14:87:2.2:2.8.

[0155] (4)Hot pressing and forming

[0156] The sized fibers are paved and formed, and then hot-pressed at a pressure of 52 MPa. First, the temperature is raised to 158 °C at a rate of 2.1 °C / min and held for 6 min. After the heat preservation ends, heating continues, the heating temperature is 211 °C, and it is held for 15 min. Finally, it is cooled to room temperature at a rate of 0.8 °C / min to obtain a density board.

[0157] 3. UV Finishing

[0158] (1)Preparation of primary coating

[0159] Hydroxyethyl methacrylate, neopentyl glycol diacrylate, and polyurethane acrylate are mixed evenly, and then benzophenone is added. The temperature is controlled at 30 °C, and the coating is obtained after stirring evenly.

[0160] The mass ratio of hydroxyethyl methacrylate, neopentyl glycol diacrylate, polyurethane acrylate, and benzophenone is 16:5:20:1.1;

[0161] (2)Preparation of coating

[0162] The primary coating is mixed with microcapsules containing murraya paniculata essential oil, and then nano-titanium dioxide and aluminum hydroxide are added. After mixing evenly, it is first heat-treated at 50 °C for 13 min, then freeze-treated at -1.4 °C for 20 min, and the coating is obtained after naturally recovering to room temperature.

[0163] The preparation method of the microcapsules containing murraya paniculata essential oil is as follows: murraya paniculata essential oil is mixed with the microcapsule wall material solution, and then Tween-20 and gellan gum are added. After stirring evenly, three homogenization treatments are carried out. The homogenization time is 4 min, and the homogenization pressure is 22 MPa. After the homogenization treatment ends, it is dried to obtain the microcapsules containing murraya paniculata essential oil;

[0164] The mass ratio of murraya paniculata essential oil, microcapsule wall material solution, Tween-20, and gellan gum is 11:72:1.6:1.7;

[0165] The mass ratio of the primary coating, microcapsules containing murraya paniculata essential oil, nano-titanium dioxide, and aluminum hydroxide is 35:4.4:2.2:1.6;

[0166] (3)UV irradiation

[0167] The coating is applied on the surface of the density board and subjected to UV curing for 5 min. The UV nano-wavelength is 263 nm, and the UV-finished board is obtained after the curing ends;

[0168] The mass ratio of the coating to the density board is 2.5:1.

[0169] Example 3 Production process of UV-finished board modified with bioactive ingredients

[0170] 1. Preparation of microcapsule wall material solution

[0171] (1)Starch plasma treatment

[0172] Place corn starch in a low-temperature plasma device for low-temperature plasma treatment. The treatment temperature is 10°C, the treatment time is 9 min, the treatment power is 27 W, the treatment frequency is 10 kHz, and the treatment air gap distance is 6 mm. After the treatment, the starch treated by low-temperature plasma is obtained;

[0173] (2)Heating treatment

[0174] Mix the starch treated by low-temperature plasma with deionized water, heat it to 80°C at a rate of 0.5°C / min, stir for 26 min, with a stirring speed of 82 rpm. After the stirring ends, cool it to 47°C at a rate of 0.9°C / min and continue to stir for 34 min, with a stirring speed of 128 rpm. After the stirring ends, dry it to obtain the starch after heating treatment;

[0175] The mass ratio of the starch treated by low-temperature plasma to deionized water is 1:5.0;

[0176] (3)Denaturation

[0177] Mix the starch after heating treatment with an ethanol solution, then add sodium hydroxide, an auxiliary agent, and deionized water and stir. The stirring temperature is 32°C, the stirring time is 17 min. After the stirring ends, add sodium dihydrogen phosphate and continue to stir. The stirring temperature is 41°C, the stirring time is 52 min, and the stirring speed is 352 rpm. After the stirring ends, add sodium chloroacetate, raise the temperature to 85°C, and perform ultrasonic oscillation treatment. The ultrasonic oscillation time is 42 min, the ultrasonic oscillation power is 123 W, and the ultrasonic oscillation frequency is 29 kHz. After the ultrasonic oscillation ends, crush it through a 100-mesh sieve to obtain denatured starch;

[0178] The mass concentration of the ethanol solution is 86%;

[0179] The mass ratio of the starch after heating treatment, ethanol solution, sodium hydroxide, auxiliary agent, deionized water, sodium dihydrogen phosphate, and sodium chloroacetate is 110:19:2.8:0.8:8.6:4.3:8.0;

[0180] The preparation method of the auxiliary agent is as follows: Mix fatty alcohol polyoxyethylene ether and coconut oil amide, raise the temperature to 47°C, stir for 19 min, then add polyethylene glycol glycerol laurate, raise the temperature to 60°C, and perform heat treatment at 60°C for 23 min. After the heat treatment ends, cool it to room temperature to obtain the auxiliary agent;

[0181] The mass ratio of the fatty alcohol polyoxyethylene ether, coconut oil amide and polyethylene glycol glycerol laurate is 6.0:1.5:2.5;

[0182] (4)Mixing and dissolving

[0183] Mix the modified starch and sodium alginate, then add maltodextrin. After mixing evenly, raise the temperature to 79 °C and raise the pressure to 1.4 MPa. Add sorbitol, microcrystalline cellulose and deionized water, and stir. The stirring time is 27 min, the stirring speed is 207 rpm. After stirring, raise the pressure to 1.7 MPa, lower the temperature to 68 °C, and perform a sealing treatment for 33 min. After the sealing treatment is completed, a microcapsule wall material solution is prepared;

[0184] The mass ratio of the modified starch, sodium alginate, maltodextrin, sorbitol, microcrystalline cellulose and deionized water is 12:3.2:6.4:1.5:1.1:70.

[0185] 2. Preparation of density board

[0186] (1)Fiber crushing and drying

[0187] Crush and dry the poplar wood scraps to obtain the crushed and dried fibers. Control the length of the crushed fibers to be 2.2 mm and the moisture content to be 6.7%; )

[0188] (2)Fiber strengthening

[0189] Mix the crushed and dried fibers with modified glass fibers, straw fibers and hydroxypropyl methylcellulose to obtain the strengthened fibers;

[0190] The mass ratio of the crushed and dried fibers, modified glass fibers, straw fibers and hydroxypropyl methylcellulose is 39:2.6:1.5:2.2;

[0191] The method for modifying the glass fibers is as follows:

[0192] a. Impregnation

[0193] Place the glass fibers in a hydrochloric acid solution for impregnation. The impregnation temperature is 42 °C and the impregnation time is 1.4 h. After impregnation, wash and dry to obtain the impregnated glass fibers;

[0194] The mass ratio of the glass fibers to the hydrochloric acid solution is 1:3.8;

[0195] b. Preliminary modification

[0196] Place the impregnated glass fiber in a vacuum-sealed container, evacuate to 0.08 MPa, perform vacuum treatment for 12 min. After the vacuum treatment, increase the pressure to 3.4 MPa and increase the temperature to 126 °C, perform high-temperature and high-pressure treatment for 17 min. After the high-temperature and high-pressure treatment, lower the temperature to 80 °C, add deionized water, ethylene glycol, zinc stearate, and tartaric acid, increase the pressure to 3.9 MPa, control the stirring rate at 220 rpm, stir for 17 min, and dry after stirring to obtain the preliminarily modified glass fiber;

[0197] The mass ratio of the impregnated glass fiber, deionized water, ethylene glycol, zinc stearate, and tartaric acid is 19:67:2.4:1.6:2.2;

[0198] c. Silane modification

[0199] Mix the preliminarily modified glass fiber with hydrogen peroxide, then add kh550, control the stirring rate at 132 rpm, stir for 55 min, then add phytic acid for ultraviolet-ultrasonic treatment for 6 min, with an ultraviolet wavelength of 165 nm, a microwave power of 243 W, and a microwave frequency of 32 kHz. After the ultraviolet-ultrasonic treatment, obtain the modified glass fiber;

[0200] The mass ratio of the preliminarily modified glass fiber, hydrogen peroxide, kh550, and phytic acid is 13:113:1.1:1.7.

[0201] (3)Sizing

[0202] Add polyurethane emulsion, microcapsules containing the active ingredient of Sarcandra glabra, soybean protein glue, and gum arabic to the reinforced fiber, stir evenly to obtain the sized fiber;

[0203] The mass ratio of the reinforced fiber, polyurethane emulsion, microcapsules containing the active ingredient of Sarcandra glabra, soybean protein glue, and gum arabic is 56:2.6:2.2:3.8:2.2;

[0204] The preparation method of the microcapsules containing the active ingredient of Sarcandra glabra is as follows: Mix the active ingredient of Sarcandra glabra with the microcapsule wall material solution, then add span-80 and lecithin, stir evenly and perform three homogenization treatments. The homogenization time is 4 min, and the homogenization pressure is 13 MPa. After the homogenization treatment, dry to obtain the microcapsules containing the active ingredient of Sarcandra glabra;

[0205] The mass ratio of the active ingredient of Sarcandra glabra, microcapsule wall material solution, span-80, and lecithin is 16:93:2.6:3.2.

[0206] (4)Hot pressing and forming

[0207] The sized fibers are paved and formed, and then hot-pressed at a pressure of 56 MPa. First, the temperature is raised to 162 °C at a rate of 2.5 °C / min, held for 10 min, and then heated continuously to a temperature of 217 °C and held for 19 min. Finally, the temperature is lowered to room temperature at a rate of 1.2 °C / min to obtain a density board.

[0208] 3. UV Finishing

[0209] (1)Preparation of primary coating

[0210] Hydroxyethyl methacrylate, neopentyl glycol diacrylate, and polyurethane acrylate are mixed evenly, and then benzophenone is added. The temperature is controlled at 34 °C, and the coating is obtained after stirring evenly.

[0211] The mass ratio of hydroxyethyl methacrylate, neopentyl glycol diacrylate, polyurethane acrylate, and benzophenone is 20:9:22:1.3.

[0212] (2)Preparation of coating

[0213] The primary coating is mixed with microcapsules containing cepharanthine essential oil, and then nano-titanium dioxide and aluminum hydroxide are added. After mixing evenly, it is first heat-treated at 54 °C for 17 min, then freeze-treated at -1.0 °C for 26 min, and the coating is obtained after naturally returning to room temperature.

[0214] The preparation method of the microcapsules containing cepharanthine essential oil is as follows: cepharanthine essential oil is mixed with the microcapsule wall material solution, and then Tween-20 and gellan gum are added. After stirring evenly, it is subjected to three homogenization treatments. The homogenization time is 6 min, and the homogenization pressure is 24 MPa. After the homogenization treatment, it is dried to obtain the microcapsules containing cepharanthine essential oil.

[0215] The mass ratio of cepharanthine essential oil, microcapsule wall material solution, Tween-20, and gellan gum is 13:76:1.8:2.3.

[0216] The mass ratio of the primary coating, microcapsules containing cepharanthine essential oil, nano-titanium dioxide, and aluminum hydroxide is 39:4.6:2.4:2.0.

[0217] (3)UV irradiation

[0218] The coating is applied to the surface of the density board and subjected to UV curing for 7 min. The UV nano-wavelength is 277 nm, and the UV-finished board is obtained after curing.

[0219] The mass ratio of the coating to the density board is 2.9:1.

[0220] Comparative Example ¹

[0221] Based on Example 1, the changes are as follows:

[0222] ① In the process of preparing the microcapsule wall material solution, the steps of low-temperature plasma treatment and heat treatment of starch are omitted;

[0223] ② In the denaturation treatment step, the preparation step of the auxiliary agent is omitted, and fatty alcohol polyoxyethylene ether is directly used as the auxiliary agent;

[0224] ③ The mixing and dissolving step is to mix the modified starch with deionized water, stir for 25 min at a stirring speed of 204 rpm to obtain the microcapsule wall material solution;

[0225] The remaining operations are the same.

[0226] Comparative Example 2

[0227] Based on Example 1, the change is that in the fiber strengthening process, the modification step of glass fiber is omitted, and glass fiber without any treatment is directly used, and the remaining operations are the same.

[0228] Performance testing

[0229] The products prepared in Examples 1 - 3 and Comparative Examples 1 - 2 were subjected to performance testing, as follows:

[0230] 1. Bacteriostatic performance

[0231]

[0232] 2. Basic performance

[0233]

[0234] 3. UV irradiation resistance performance

[0235]

[0236] Unless otherwise specified, the percentages used in the present invention are all mass percentages.

[0237] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. The production process of a UV decorative panel modified with a bioactive ingredient, characterized in that, The production process includes steps of preparing a microcapsule wall material solution, preparing a density board, and UV finishing; The step of preparing the microcapsule wall material solution includes steps of starch plasma treatment, heat treatment, denaturation, and mixing and dissolving; The step of preparing the density board includes steps of fiber crushing and drying, fiber strengthening, sizing, and hot pressing and forming; The UV finishing includes steps of preparing a primary coating, preparing a coating, and ultraviolet irradiation; The starch plasma treatment step is to place corn starch in a low-temperature plasma device for low-temperature plasma treatment. The treatment temperature is 6 - 10 °C, the treatment time is 5 - 9 min, the treatment power is 21 - 27 W, the treatment frequency is 8 - 10 kHz, and the treatment air gap distance is 4 - 6 mm. After the treatment, the starch treated by low-temperature plasma is obtained; The heat treatment step is to mix the starch treated by low-temperature plasma with deionized water, heat it up to 76 - 80 °C at a rate of 0.3 - 0.5 °C / min, stir for 22 - 26 min, with a stirring speed of 74 - 82 rpm. After the stirring ends, cool it down to 45 - 47 °C at a rate of 0.7 - 0.9 °C / min, continue to stir for 26 - 34 min, with a stirring speed of 120 - 128 rpm. After the stirring ends, dry it to obtain the starch after heat treatment; The denaturation step is to mix the starch after heat treatment with an ethanol solution, then add sodium hydroxide, an auxiliary agent, and deionized water and stir. The stirring temperature is 26 - 32 °C, the stirring time is 13 - 17 min. After the stirring ends, add sodium dihydrogen phosphate and continue to stir. The stirring temperature is 34 - 41 °C, the stirring time is 48 - 52 min, and the stirring speed is 340 - 352 rpm. After the stirring ends, add sodium chloroacetate, raise the temperature to 79 - 85 °C, and perform ultrasonic oscillation treatment. The ultrasonic oscillation time is 38 - 42 min, the ultrasonic oscillation power is 117 - 123 W, and the ultrasonic oscillation frequency is 25 - 29 kHz. After the ultrasonic oscillation ends, crush and pass through a 60 - 100 mesh sieve to obtain denatured starch; The preparation method of the auxiliary agent is to mix fatty alcohol polyoxyethylene ether and coconut oil amide, raise the temperature to 43 - 47 °C, stir for 15 - 19 min, then add polyethylene glycol glycerol laurate, raise the temperature to 52 - 60 °C, and perform heat treatment at 52 - 60 °C for 17 - 23 min. After the heat treatment ends, cool it down to room temperature to obtain the auxiliary agent; The mixing and dissolving step is to mix the denatured starch with sodium alginate, then add maltodextrin. After mixing evenly, raise the temperature to 75 - 79 °C, raise the pressure to 1.0 - 1.4 MPa, add sorbitol, microcrystalline cellulose, and deionized water, and stir. The stirring time is 23 - 27 min, and the stirring speed is 201 - 207 rpm. After the stirring ends, raise the pressure to 1.3 - 1.7 MPa, lower the temperature to 64 - 68 °C, and perform a sealing treatment. The treatment time is 27 - 33 min. After the sealing treatment ends, the microcapsule wall material solution is obtained; The sizing step is to add polyurethane emulsion, microcapsules containing plant active ingredients, soy protein glue, and gum arabic to the reinforced fibers, and after stirring evenly, the sized fibers are obtained; The mass ratio of the reinforced fibers, polyurethane emulsion, microcapsules containing plant active ingredients, soy protein glue, and gum arabic is 52 - 56:2.2 - 2.6:1.8 - 2.2:3.2 - 3.8:2.0 - 2.2; The preparation method of the microcapsules containing plant active ingredients is specifically to mix the plant active ingredients with the microcapsule wall material solution, then add span - 80 and lecithin, stir evenly and perform three homogenization treatments. The homogenization time is 2 - 4 min, the homogenization pressure is 13 - 17 MPa. After the homogenization treatment, it is dried to obtain the microcapsules containing plant active ingredients; The plant active ingredient is one of the active ingredients of Sarcandra glabra and the active ingredients of Masson pine needles; The mass ratio of the plant active ingredients, microcapsule wall material solution, span - 80, and lecithin is 14 - 16:87 - 93:2.2 - 2.6:2.8 - 3.

2.

2. The production process of the UV decorative panel modified with bioactive ingredients according to claim 1, characterized in that, For the preparation of the microcapsule wall material solution, in the heating treatment step, the mass ratio of the starch after low - temperature plasma treatment to deionized water is 1:4.6 - 5.0; In the denaturation step, the mass concentration of the ethanol solution is 80 - 86%; The mass ratio of the starch after heating treatment, ethanol solution, sodium hydroxide, auxiliary agent, deionized water, sodium dihydrogen phosphate, and sodium chloroacetate is 103 - 110:15 - 19:2.4 - 2.8:0.6 - 0.8:8.2 - 8.6:4.1 - 4.3:7.4 - 8.0; In the preparation method of the auxiliary agent, the mass ratio of fatty alcohol polyoxyethylene ether, coconut oil amide, and lauryl acid polyethylene glycol glyceride is 5.6 - 6.0:1.3 - 1.5:2.1 - 2.5; In the mixing and dissolving step, the mass ratio of the modified starch, sodium alginate, maltodextrin, sorbitol, microcrystalline cellulose, and deionized water is 10 - 12:2.8 - 3.2:5.6 - 6.4:1.3 - 1.5:0.9 - 1.1:66 - 70.

3. The production process of the UV decorative panel modified with bioactive ingredients according to claim 1, characterized in that, The fiber strengthening step is to mix the crushed and dried fibers with modified glass fibers, straw fibers, and hydroxypropyl methylcellulose to obtain the strengthened fibers; The mass ratio of the crushed and dried fibers, modified glass fibers, straw fibers, and hydroxypropyl methylcellulose is 35 - 39:2.2 - 2.6:1.3 - 1.5:1.8 - 2.

2.

4. The production process of the UV decorative panel modified with bioactive ingredients according to claim 3, characterized in that, The method for modifying glass fibers includes impregnation, preliminary modification, and silane modification steps; The impregnation is to place glass fibers in a hydrochloric acid solution for impregnation at an impregnation temperature of 38 - 42 °C and an impregnation time of 1.0 - 1.4 h. After impregnation, washing and drying are carried out to obtain impregnated glass fibers; The preliminary modification is to place the impregnated glass fibers in a vacuum-sealed container, evacuate to 0.06 - 0.08 MPa, perform vacuum treatment for 8 - 12 min. After the vacuum treatment, raise the pressure to 3.0 - 3.4 MPa, raise the temperature to 122 - 126 °C, perform high-temperature and high-pressure treatment for 13 - 17 min. After the high-temperature and high-pressure treatment, lower the temperature to 74 - 80 °C, add deionized water, ethylene glycol, zinc stearate, and tartaric acid, raise the pressure to 3.5 - 3.9 MPa, control the stirring rate at 214 - 220 rpm, stir for 13 - 17 min, and after stirring, dry to obtain preliminarily modified glass fibers; The silane modification is to mix the preliminarily modified glass fibers with hydrogen peroxide, then add kh550, control the stirring rate at 120 - 132 rpm, stir for 49 - 55 min, then add phytic acid for ultraviolet-ultrasonic treatment for 4 - 6 min, with an ultraviolet wavelength of 155 - 165 nm, a microwave power of 237 - 243 W, and a microwave frequency of 28 - 32 kHz. After the ultraviolet-ultrasonic treatment, modified glass fibers are obtained.

5. The production process of a UV decorative panel modified with a bioactive ingredient according to claim 4, characterized in that, In the impregnation step, the mass ratio of the glass fibers to the hydrochloric acid solution is 1:3.4 - 3.8; In the preliminary modification step, the mass ratio of the impregnated glass fibers, deionized water, ethylene glycol, zinc stearate, and tartaric acid is 15 - 19:60 - 67:2.2 - 2.4:1.4 - 1.6:2.0 - 2.2; In the silane modification step, the mass ratio of the preliminarily modified glass fibers, hydrogen peroxide, kh550, and phytic acid is 11 - 13:107 - 113:0.9 - 1.1:1.5 - 1.

7.

6. The production process of a UV decorative panel modified with a bioactive ingredient according to claim 1, characterized in that, The step of preparing the primary coating is to uniformly mix hydroxyethyl methacrylate, neopentyl glycol diacrylate, and polyurethane acrylate, then add benzophenone, control the temperature at 30 - 34 °C, and stir evenly to obtain a coating; The mass ratio of hydroxyethyl methacrylate, neopentyl glycol diacrylate, polyurethane acrylate, and benzophenone is 16 - 20:5 - 9:20 - 22:1.1 - 1.

3.

7. The production process of a UV decorative panel modified with a bioactive ingredient according to claim 1, characterized in that, The step of preparing the coating is to mix the primary coating with microcapsules containing plant essential oils, then add nano-titanium dioxide and aluminum hydroxide, and after mixing evenly, first place it at 50 - 54 °C for heat treatment for 13 - 17 mmin, then place it at -1.4 to -1.0 °C for freezing treatment for 20 - 26 min, and after naturally restoring to room temperature, a coating is obtained; The preparation method of the microcapsules containing plant essential oil is as follows: mix the plant essential oil with the microcapsule wall material solution, then add Tween-20 and gellan gum, stir evenly, and then carry out three homogenization treatments. The homogenization time is 4-6 min, the homogenization pressure is 22-24 MPa. After the homogenization treatment is completed, dry to obtain the microcapsules containing plant essential oil; The plant essential oil is one of tea essential oil, murraya paniculata essential oil and stephania tetrandra s. Moore essential oil; The mass ratio of the plant essential oil, the microcapsule wall material solution, Tween-20 and gellan gum is 11-13:72-76:1.6-1.8:1.7-2.3; The mass ratio of the primary coating, the microcapsules containing plant essential oil, nano-titanium dioxide and aluminum hydroxide is 35-39:4.4-4.6:2.2-2.4:1.6-2.

0.

8. The production process of the UV decorative panel modified with bioactive components according to claim 1, characterized in that In the ultraviolet irradiation step, the coating is applied on the surface of the density board and subjected to ultraviolet light curing. The curing time is 5-7 min, the ultraviolet nano wavelength is 263-277 nm, and the UV decorative panel is obtained after the curing is completed; The mass ratio of the coating to the density board is 2.5-2.9:

1.

9. The UV decorative panel modified with bioactive components prepared by the production process according to any one of claims 1-8.

Images