Preparation method of a combined vertical aging-resistant simulated plant landscape wall

Abstract

The present invention relates to the technical field of landscape walls, and more particularly to a method for preparing a combined vertical aging-resistant simulated plant landscape wall. The combined vertical aging-resistant simulated plant landscape wall of the present invention is used for a combined vertical aging-resistant simulated plant landscape wall, is durable, does not decompose for a long time under ultraviolet irradiation, and is resistant to friction and not easily damaged. The polyethylene material has the properties of aging resistance and abrasion resistance. The combined vertical aging-resistant simulated plant landscape wall of the present invention maintains its original color after long-term use, does not show fading, cracking, aging and the like, and has stable physical and chemical properties. The combined vertical aging-resistant simulated plant landscape wall of the present invention is not restricted by region, space or season, and has a very wide range of uses.

Description

Technical Field

[0001] The invention relates to the technical field of landscape walls, in particular to a method for preparing a combined vertical anti-aging simulated plant landscape wall. Background Art

[0002] Artificial plant walls are walls decorated with highly realistic plants. They leverage the similarity of these plants to real plants to achieve an effect similar to a real plant wall, or even an effect that real plants cannot achieve, satisfying people's pursuit of natural effects. Based on different environmental requirements, people have designed wall shapes with diverse shapes, varying heights, and harmonious environments. With careful design, they can achieve an effect that is indistinguishable from the real thing.

[0003] Chinese Patent CN202011524290.1: discloses a modular vertical greening simulated plant landscape wall for ecological viewing, which relates to the technical field of simulated plant landscape walls, specifically a modular vertical greening simulated plant landscape wall for ecological viewing, including a wall frame with vertical support rods, cross rods, side panels and hollow carved panels distributed inside, the front end of the hollow carved panel is connected to the vertical support rods and cross rods, and the interior of the vertical support rods is connected with cross rods, and the left and right sides of the hollow carved panel are connected to side panels. The modular vertical greening simulated plant landscape wall for ecological viewing uses simulated plants that are completely modeled after real leaves in nature, and are then compiled using precise machinery and manual work.

[0004] Chinese patent CN202111181368.9: discloses a detachable simulated plant landscape wall, including: a wall, a frame, a first shielding plate, a second shielding plate, a sun tracking device and a telescopic rod. The frame is fixed to the top of the wall, one side of the first shielding plate is hinged to the top of the frame, and one side of the second shielding plate is hinged to the top of the frame. Simulated plants are fixed on the lower end surfaces of the first shielding plate and the second shielding plate. The first shielding plate and the second shielding plate both have water storage chambers inside, and the tops of the first shielding plate and the second shielding plate have water inlet troughs. The sun tracking device is fixed to the top of the frame, and the telescopic rods are supported between the frame and the first shielding plate and between the frame and the second shielding plate respectively.

[0005] Chinese patent CN202221375447.3: discloses a combined vertical simulated plant landscape wall, including a main wall, a support plate fixedly installed at the bottom of the main wall, a fixing frame fixedly installed on both sides of the rear surface of the main wall near the top, a fixing pin is connected through the inside of the fixing frame, a limited frame is fixedly installed on the front surface of the main wall near the edge, and a mounting groove is provided on the front surface of the main wall near the top, a display table is fixedly installed on the front surface of the main wall near the bottom, a display box is provided on the inner side of the mounting groove, a handle is fixedly installed on the front surface of the display box, and an adjustment mechanism is connected between the display box and the main wall, and a limited clamping mechanism is connected to the upper surface of the display table.

[0006] The artificial plant landscape walls produced by the above-mentioned public patents and existing technologies generally have poor aging resistance, are prone to fading after long-term use, and cannot maintain the original color and other aging phenomena. Summary of the Invention

[0007] The first purpose of the present invention is to provide a combined vertical aging-resistant simulated plant landscape wall that is durable, does not decompose under ultraviolet radiation for a long time, is resistant to friction, is not easily damaged, has no regional, spatial and seasonal restrictions, and has a very wide range of uses.

[0008] A combined vertical anti-aging simulated plant landscape wall comprises a main wall, a support plate, a fixing frame, a fixing pin, a limit frame, an installation groove, a display table, a display box, a handle, an adjustment mechanism, and a limit clamping mechanism.

[0009] Furthermore, the support plate is installed at the bottom of the main wall.

[0010] Furthermore, the fixing brackets are installed on both sides of the back side of the main wall near the top, and the fixing pins are connected through the inside of the fixing brackets.

[0011] Furthermore, the limiting frame is installed at the front edge of the main wall.

[0012] Furthermore, the installation groove is installed near the top of the main wall front, and a placement box is provided on the inner side of the installation groove, and a handle is installed on the surface of the placement box.

[0013] Furthermore, the placing table is installed at the bottom of the front side of the main wall, and the surface of the placing table is connected to a limiting clamping mechanism.

[0014] Furthermore, the adjustment mechanism is installed between the placement box and the main wall.

[0015] The second object of the present invention is to provide a main wall material using an aging-resistant polyethylene composite material, the preparation method of which is as follows:

[0016] S1: placing polyethylene on a flat plate in a dark reaction box and irradiating it with a UV lamp for 10-30 seconds under an Ar2 gas inhalation atmosphere to obtain irradiated polyethylene;

[0017] S2: Prepare an impregnation solution: by weight, mix 1-5 parts of allyl zinc bromide, 3-8 parts of tetrabromobisphenol A bisallyl ether, 0.005-0.05 parts of methacryloyloxypropyl cage-type polysilsesquioxane, CAS: 160185-24-0, 100-300 parts of DMF, and 1-3 parts of a photoinitiator, and immerse 20-30 parts of irradiated polyethylene in the solution at 70-80° C. for 1-4 hours, filter, and dry to obtain an impregnated polyethylene;

[0018] S3: Photopolymerization treatment: The impregnated polyethylene obtained in step S2 is placed on a flat plate in a dark reaction chamber and irradiated with a UV lamp under an Ar2 gas inhalation atmosphere to initiate further polymerization. After the polymerization reaction has lasted for 40-90 minutes, the polyethylene is carefully peeled off from the flat plate to obtain modified polyethylene;

[0019] S4: According to weight, weigh 85-100 parts of modified polyethylene and 1-7 parts of nano-TiO2 with a particle size of 400-700nm, mix and stir;

[0020] S5: The extruder is then extruded using a single-screw extruder with the temperature controlled at 160-200°C and the screw speed at 40-60r / min. The extruded material strips are cooled in a water trough and air-cooled, and then introduced into a pelletizer for pelletizing. The pellets are dried at 80-90°C for 2-5h, and then injection molded using an injection molding machine at 180-200°C and an injection molding pressure of 5-7MPa to obtain an aging-resistant polyethylene composite material.

[0021] Furthermore, the photoinitiator is selected from at least one of 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-methylphenylpropane-1-one, 2,4,6 (trimethylbenzoyldiphenylphosphine oxide) and xylene ketone.

[0022] Furthermore, the wavelength of ultraviolet light in the ultraviolet lamp is 320-400nm; the energy of the ultraviolet lamp is 150-300mj.

[0023] Reaction mechanism:

[0024] Irradiating polyethylene produces free radical-containing polyethylene, which is then grafted with allylzinc bromide, tetrabromobisphenol A bisallyl ether, and methacryloyloxypropyl cage-type polysilsesquioxane under the action of a photoinitiator. This results in ageing-resistant and abrasion-resistant polyethylene containing zinc bromide, tetrabromobisphenol A, and silsesquioxane functional groups. Zinc bromide and tetrabromobisphenol A prevent oxidative degradation of the polyethylene under sunlight, while silsesquioxane improves the polyethylene's flexibility and abrasion resistance, making it less susceptible to damage.

[0025] Technical effects:

[0026] The present invention provides a method for preparing a combined vertical anti-aging simulated plant landscape wall. Compared with the prior art, the present invention has the following significant effects:

[0027] 1. The combined vertical anti-aging simulated plant landscape wall of the present invention has a cost much lower than that of a real plant wall and does not require any maintenance costs in the later stage;

[0028] 2. The combined vertical aging-resistant simulated plant landscape wall of the present invention has a long-lasting landscape effect and is free from pests and diseases;

[0029] 3. The combined vertical anti-aging artificial plant landscape wall of the present invention is easy to replace and does not lose leaves;

[0030] 4. The combined vertical anti-aging artificial plant landscape wall of the present invention is suitable for places that are not suitable for plant growth, such as low light intensity, poor ventilation, and insufficient indoor moisture;

[0031] 5. The combined vertical aging-resistant artificial plant landscape wall of the present invention is durable and maintains its original color after long-term use without fading, cracking, aging, etc., and all physical and chemical properties are stable;

[0032] 6. The present invention provides a combined vertical aging-resistant simulated plant landscape wall, which is durable, does not decompose under ultraviolet radiation for a long time, and is resistant to friction and not easily damaged; the polyethylene material has aging-resistant and abrasion-resistant properties.

[0033] 7. The combined vertical anti-aging artificial plant landscape wall of the present invention has no geographical, spatial and seasonal restrictions and has a very wide range of uses. DETAILED DESCRIPTION

[0034] The present invention is further described below with reference to specific embodiments, but the protection scope of the present invention is not limited thereto.

[0035] Example 1

[0036] A method for preparing a combined vertical aging-resistant simulated plant landscape wall is characterized by comprising a main wall, a support plate, a fixing frame, a fixing pin, a limit frame, an installation groove, a display table, a display box, a handle, an adjustment mechanism, and a limit clamping mechanism.

[0037] The support plate is installed at the bottom of the main wall.

[0038] The fixing frames are installed on both sides of the back side of the main wall near the top, and the fixing pins are passed through the inside of the fixing frames.

[0039] The limiting frame is installed at the front edge of the main wall.

[0040] The installation groove is installed near the top of the main wall front, and a placement box is provided on the inner side of the installation groove, and a handle is installed on the surface of the placement box.

[0041] The placing table is installed at the bottom of the front side of the main wall, and the surface of the placing table is connected to the limiting clamping mechanism.

[0042] The adjusting mechanism is installed between the placing box and the main wall.

[0043] The material of the main wall is made of aging-resistant polyethylene composite material, and the preparation method is as follows:

[0044] S1: Place polyethylene on a flat plate in a dark reaction box and irradiate it with a UV lamp for 10 seconds under an Ar2 gas inhalation atmosphere to obtain irradiated polyethylene;

[0045] S2: Prepare an impregnation solution: 1 g of allyl zinc bromide, 3 g of tetrabromobisphenol A bisallyl ether, 0.005 g of methacryloyloxypropyl cage-type polysilsesquioxane (CAS: 160185-24-0), 100 g of DMF, and 1 g of a photoinitiator; immerse 20 g of irradiated polyethylene in the solution at 70°C for 1 h, filter, and air-dry to obtain an impregnated polyethylene;

[0046] S3: Photopolymerization treatment: The impregnated polyethylene obtained in step S2 is placed on a flat plate in a dark reaction chamber and irradiated with a UV lamp under an Ar2 gas inhalation atmosphere to initiate further polymerization. After 40 minutes of polymerization, the polyethylene is carefully peeled off from the flat plate to obtain modified polyethylene;

[0047] S4: Weigh 85g of modified polyethylene and 1g of nano-TiO2 with a particle size of 400nm, mix and stir;

[0048] S5: Then extrude through a single-screw extruder, the temperature of the single-screw extruder is controlled at 160°C, and the screw speed is 40r / min; the extruded material strips are cooled in a water trough and air-cooled, and then introduced into a pelletizer for pelletizing; the pellets are dried at 80°C for 2h, and then injection molded by an injection molding machine at 180°C and an injection molding pressure of 5MPa to obtain an aging-resistant polyethylene composite material.

[0049] The photoinitiator is selected from 1-hydroxycyclohexyl phenyl ketone.

[0050] The wavelength of the ultraviolet light irradiated by the ultraviolet lamp is 320nm; the energy of the ultraviolet light irradiated by the ultraviolet lamp is 150mj.

[0051] Example 2

[0052] A method for preparing a combined vertical aging-resistant simulated plant landscape wall is characterized by comprising a main wall, a support plate, a fixing frame, a fixing pin, a limit frame, an installation groove, a display table, a display box, a handle, an adjustment mechanism, and a limit clamping mechanism.

[0053] The support plate is installed at the bottom of the main wall.

[0054] The fixing frames are installed on both sides of the back side of the main wall near the top, and the fixing pins are passed through the inside of the fixing frames.

[0055] The limiting frame is installed at the front edge of the main wall.

[0056] The installation groove is installed near the top of the main wall front, and a placement box is provided on the inner side of the installation groove, and a handle is installed on the surface of the placement box.

[0057] The placing table is installed at the bottom of the front side of the main wall, and the surface of the placing table is connected to the limiting clamping mechanism.

[0058] The adjusting mechanism is installed between the placing box and the main wall.

[0059] The material of the main wall is made of aging-resistant polyethylene composite material, and the preparation method is as follows:

[0060] S1: Place polyethylene on a flat plate in a dark reaction box and irradiate it with a UV lamp for 15 seconds under an Ar2 gas inhalation atmosphere to obtain irradiated polyethylene;

[0061] S2: Prepare an impregnation solution: 2 g of allyl zinc bromide, 4 g of tetrabromobisphenol A bisallyl ether, 0.02 g of methacryloyloxypropyl cage-type polysilsesquioxane (CAS: 160185-24-0), 150 g of DMF, and 2 g of a photoinitiator; immerse 24 g of irradiated polyethylene in the solution at 75° C. for 2 h, filter, and air-dry to obtain an impregnated polyethylene;

[0062] S3: Photopolymerization treatment: The impregnated polyethylene obtained in step S2 is placed on a flat plate in a dark reaction chamber and irradiated with a UV lamp under an Ar2 gas inhalation atmosphere to initiate further polymerization. After 50 minutes of polymerization, the polyethylene is carefully peeled off from the flat plate to obtain modified polyethylene;

[0063] S4: Weigh 90g of modified polyethylene and 2g of nano-TiO2 with a particle size of 500nm, mix and stir;

[0064] S5: Then extrude through a single-screw extruder with the temperature of the single-screw extruder controlled at 170°C and the screw speed at 45r / min; the extruded material strips are cooled in a water trough and air-cooled, and then introduced into a pelletizer for pelletizing; the pellets are dried at 85°C for 3h, and then injection molded by an injection molding machine at 185°C and an injection molding pressure of 6MPa to obtain an aging-resistant polyethylene composite material.

[0065] The photoinitiator is selected from 2-hydroxy-methylphenylpropane-1-one.

[0066] The wavelength of the ultraviolet light irradiated by the ultraviolet lamp is 360nm; the energy of the ultraviolet light irradiated by the ultraviolet lamp is 200mj.

[0067] Example 3

[0068] A method for preparing a combined vertical aging-resistant simulated plant landscape wall is characterized by comprising a main wall, a support plate, a fixing frame, a fixing pin, a limit frame, an installation groove, a display table, a display box, a handle, an adjustment mechanism, and a limit clamping mechanism.

[0069] The support plate is installed at the bottom of the main wall.

[0070] The fixing frames are installed on both sides of the back side of the main wall near the top, and the fixing pins are passed through the inside of the fixing frames.

[0071] The limiting frame is installed at the front edge of the main wall.

[0072] The installation groove is installed near the top of the main wall front, and a placement box is provided on the inner side of the installation groove, and a handle is installed on the surface of the placement box.

[0073] The placing table is installed at the bottom of the front side of the main wall, and the surface of the placing table is connected to the limiting clamping mechanism.

[0074] The adjusting mechanism is installed between the placing box and the main wall.

[0075] The material of the main wall is made of aging-resistant polyethylene composite material, and the preparation method is as follows:

[0076] S1: Place polyethylene on a flat plate in a dark reaction box and irradiate it with a UV lamp for 25 seconds under an Ar2 gas inhalation atmosphere to obtain irradiated polyethylene;

[0077] S2: Prepare an impregnation solution: 4 g of allyl zinc bromide, 6 g of tetrabromobisphenol A bisallyl ether, 0.04 g of methacryloyloxypropyl cage-type polysilsesquioxane, CAS: 160185-24-0, 250 g of DMF, and 2 g of a photoinitiator; immerse 28 g of irradiated polyethylene in the solution at 75° C. for 3 h, filter, and air-dry to obtain an impregnated polyethylene;

[0078] S3: Photopolymerization treatment: The impregnated polyethylene obtained in step S2 is placed on a flat plate in a dark reaction chamber and irradiated with a UV lamp under an Ar2 gas inhalation atmosphere to initiate further polymerization. After 80 minutes of polymerization, the polyethylene is carefully peeled off from the flat plate to obtain modified polyethylene;

[0079] S4: Weigh 95g of modified polyethylene and 5g of nano-TiO2 with a particle size of 600nm, mix and stir;

[0080] S5: Then extrude through a single-screw extruder, the temperature of the single-screw extruder is controlled at 190°C, and the screw speed is 55r / min; the extruded material strips are cooled in a water trough and air-cooled, and then introduced into a pelletizer for pelletizing; the pellets are dried at 85°C for 4h, and then injection molded by an injection molding machine at 195°C and an injection molding pressure of 6MPa to obtain an aging-resistant polyethylene composite material.

[0081] The photoinitiator is selected from 2,4,6 (trimethylbenzoyldiphenylphosphine oxide).

[0082] The wavelength of the ultraviolet light irradiated by the ultraviolet lamp is 380nm; the energy of the ultraviolet light irradiation is 250mj.

[0083] Example 4

[0084] A method for preparing a combined vertical aging-resistant simulated plant landscape wall is characterized by comprising a main wall, a support plate, a fixing frame, a fixing pin, a limit frame, an installation groove, a display table, a display box, a handle, an adjustment mechanism, and a limit clamping mechanism.

[0085] The support plate is installed at the bottom of the main wall.

[0086] The fixing frames are installed on both sides of the back side of the main wall near the top, and the fixing pins are passed through the inside of the fixing frames.

[0087] The limiting frame is installed at the front edge of the main wall.

[0088] The installation groove is installed near the top of the main wall front, and a placement box is provided on the inner side of the installation groove, and a handle is installed on the surface of the placement box.

[0089] The placing table is installed at the bottom of the front side of the main wall, and the surface of the placing table is connected to the limiting clamping mechanism.

[0090] The adjusting mechanism is installed between the placing box and the main wall.

[0091] The material of the main wall is made of aging-resistant polyethylene composite material, and the preparation method is as follows:

[0092] S1: Place polyethylene on a flat plate in a dark reaction box and irradiate it with a UV lamp for 30 seconds under an Ar2 gas inhalation atmosphere to obtain irradiated polyethylene;

[0093] S2: Prepare an impregnation solution: 5 g of allyl zinc bromide, 8 g of tetrabromobisphenol A bisallyl ether, 0.05 g of methacryloyloxypropyl cage-type polysilsesquioxane (CAS: 160185-24-0), 300 g of DMF, and 3 g of a photoinitiator; immerse 30 g of irradiated polyethylene in the solution at 80° C. for 4 h, filter, and air-dry to obtain an impregnated polyethylene;

[0094] S3: Photopolymerization treatment: The impregnated polyethylene obtained in step S2 is placed on a flat plate in a dark reaction chamber and irradiated with a UV lamp under an Ar2 gas inhalation atmosphere to initiate further polymerization. After 90 minutes of polymerization, the polyethylene is carefully peeled off from the flat plate to obtain modified polyethylene;

[0095] S4: Weigh 100g modified polyethylene and 7g nano-TiO2 with a particle size of 700nm, mix and stir;

[0096] S5: Then extrude it through a single-screw extruder, the temperature of the single-screw extruder is controlled at 200°C, and the screw speed is 60r / min; the extruded material strips are cooled in a water trough and air-cooled, and then introduced into a pelletizer for pelletizing; after the pellets are dried at 90°C for 5h, they are injection molded by an injection molding machine at 200°C and an injection molding pressure of 7MPa to obtain an aging-resistant polyethylene composite material.

[0097] The photoinitiator is selected from xylene ketone.

[0098] The wavelength of the ultraviolet light irradiated by the ultraviolet lamp is 400nm; the energy of the ultraviolet lamp irradiation is 300mj.

[0099] Comparative Example 1

[0100] A method for preparing a combined vertical aging-resistant simulated plant landscape wall is characterized by comprising a main wall, a support plate, a fixing frame, a fixing pin, a limit frame, an installation groove, a display table, a display box, a handle, an adjustment mechanism, and a limit clamping mechanism.

[0101] The support plate is installed at the bottom of the main wall.

[0102] The fixing frames are installed on both sides of the back side of the main wall near the top, and the fixing pins are passed through the inside of the fixing frames.

[0103] The limiting frame is installed at the front edge of the main wall.

[0104] The installation groove is installed near the top of the main wall front, and a placement box is provided on the inner side of the installation groove, and a handle is installed on the surface of the placement box.

[0105] The placing table is installed at the bottom of the front side of the main wall, and the surface of the placing table is connected to the limiting clamping mechanism.

[0106] The adjusting mechanism is installed between the placing box and the main wall.

[0107] The material of the main wall is made of aging-resistant polyethylene composite material, and the preparation method is as follows:

[0108] S1: Place polyethylene on a flat plate in a dark reaction box and irradiate it with a UV lamp for 10 seconds under an Ar2 gas inhalation atmosphere to obtain irradiated polyethylene;

[0109] S2: Prepare an impregnation solution: 3 g of tetrabromobisphenol A bisallyl ether, 0.005 g of methacryloyloxypropyl cage-type polysilsesquioxane, CAS: 160185-24-0, 100 g of DMF, and 1 g of a photoinitiator; immerse 20 g of irradiated polyethylene in the solution at 70° C. for 1 h, filter, and air-dry to obtain an impregnated polyethylene;

[0110] S3: Photopolymerization treatment: The impregnated polyethylene obtained in step S2 is placed on a flat plate in a dark reaction chamber and irradiated with a UV lamp under an Ar2 gas inhalation atmosphere to initiate further polymerization. After 40 minutes of polymerization, the polyethylene is carefully peeled off from the flat plate to obtain modified polyethylene;

[0111] S4: Weigh 85g of modified polyethylene and 1g of nano-TiO2 with a particle size of 400nm, mix and stir;

[0112] S5: Then extrude through a single-screw extruder, the temperature of the single-screw extruder is controlled at 160°C, and the screw speed is 40r / min; the extruded material strips are cooled in a water trough and air-cooled, and then introduced into a pelletizer for pelletizing; the pellets are dried at 80°C for 2h, and then injection molded by an injection molding machine at 180°C and an injection molding pressure of 5MPa to obtain an aging-resistant polyethylene composite material.

[0113] The photoinitiator is selected from 1-hydroxycyclohexyl phenyl ketone.

[0114] The wavelength of the ultraviolet light irradiated by the ultraviolet lamp is 320nm; the energy of the ultraviolet light irradiated by the ultraviolet lamp is 150mj.

[0115] Comparative Example 2

[0116] A method for preparing a combined vertical aging-resistant simulated plant landscape wall is characterized by comprising a main wall, a support plate, a fixing frame, a fixing pin, a limit frame, an installation groove, a display table, a display box, a handle, an adjustment mechanism, and a limit clamping mechanism.

[0117] The support plate is installed at the bottom of the main wall.

[0118] The fixing frames are installed on both sides of the back side of the main wall near the top, and the fixing pins are passed through the inside of the fixing frames.

[0119] The limiting frame is installed at the front edge of the main wall.

[0120] The installation groove is installed near the top of the main wall front, and a placement box is provided on the inner side of the installation groove, and a handle is installed on the surface of the placement box.

[0121] The placing table is installed at the bottom of the front side of the main wall, and the surface of the placing table is connected to the limiting clamping mechanism.

[0122] The adjusting mechanism is installed between the placing box and the main wall.

[0123] The material of the main wall is made of aging-resistant polyethylene composite material, and the preparation method is as follows:

[0124] S1: Place polyethylene on a flat plate in a dark reaction box and irradiate it with a UV lamp for 10 seconds under an Ar2 gas inhalation atmosphere to obtain irradiated polyethylene;

[0125] S2: Prepare an impregnation solution: 1 g of allyl zinc bromide, 0.005 g of methacryloyloxypropyl cage-type polysilsesquioxane, CAS: 160185-24-0, 100 g of DMF, and 1 g of a photoinitiator; immerse 20 g of irradiated polyethylene in the solution at 70°C for 1 h, filter, and air-dry to obtain an impregnated polyethylene;

[0126] S3: Photopolymerization treatment: The impregnated polyethylene obtained in step S2 is placed on a flat plate in a dark reaction chamber and irradiated with a UV lamp under an Ar2 gas inhalation atmosphere to initiate further polymerization. After 40 minutes of polymerization, the polyethylene is carefully peeled off from the flat plate to obtain modified polyethylene;

[0127] S4: Weigh 85g of modified polyethylene and 1g of nano-TiO2 with a particle size of 400nm, mix and stir;

[0128] S5: Then extrude through a single-screw extruder, the temperature of the single-screw extruder is controlled at 160°C, and the screw speed is 40r / min; the extruded material strips are cooled in a water trough and air-cooled, and then introduced into a pelletizer for pelletizing; the pellets are dried at 80°C for 2h, and then injection molded by an injection molding machine at 180°C and an injection molding pressure of 5MPa to obtain an aging-resistant polyethylene composite material.

[0129] The photoinitiator is selected from 1-hydroxycyclohexyl phenyl ketone.

[0130] The wavelength of the ultraviolet light irradiated by the ultraviolet lamp is 320nm; the energy of the ultraviolet light irradiated by the ultraviolet lamp is 150mj.

[0131] Comparative Example 3

[0132] A method for preparing a combined vertical aging-resistant simulated plant landscape wall is characterized by comprising a main wall, a support plate, a fixing frame, a fixing pin, a limit frame, an installation groove, a display table, a display box, a handle, an adjustment mechanism, and a limit clamping mechanism.

[0133] The support plate is installed at the bottom of the main wall.

[0134] The fixing frames are installed on both sides of the back side of the main wall near the top, and the fixing pins are passed through the inside of the fixing frames.

[0135] The limiting frame is installed at the front edge of the main wall.

[0136] The installation groove is installed near the top of the main wall front, and a placement box is provided on the inner side of the installation groove, and a handle is installed on the surface of the placement box.

[0137] The placing table is installed at the bottom of the front side of the main wall, and the surface of the placing table is connected to the limiting clamping mechanism.

[0138] The adjusting mechanism is installed between the placing box and the main wall.

[0139] The material of the main wall is made of aging-resistant polyethylene composite material, and the preparation method is as follows:

[0140] S1: Place polyethylene on a flat plate in a dark reaction box and irradiate it with a UV lamp for 10 seconds under an Ar2 gas inhalation atmosphere to obtain irradiated polyethylene;

[0141] S2: Prepare an impregnation solution: 1 g of allyl zinc bromide, 3 g of tetrabromobisphenol A bisallyl ether, 100 g of DMF, and 1 g of a photoinitiator, stir them together, immerse 20 g of irradiated polyethylene in the solution, soak at 70°C for 1 h, filter, and air-dry to obtain an impregnated polyethylene;

[0142] S3: Photopolymerization treatment: The impregnated polyethylene obtained in step S2 is placed on a flat plate in a dark reaction chamber and irradiated with a UV lamp under an Ar2 gas inhalation atmosphere to initiate further polymerization. After 40 minutes of polymerization, the polyethylene is carefully peeled off from the flat plate to obtain modified polyethylene;

[0143] S4: Weigh 85g of modified polyethylene and 1g of nano-TiO2 with a particle size of 400nm, mix and stir;

[0144] S5: Then extrude through a single-screw extruder, the temperature of the single-screw extruder is controlled at 160°C, and the screw speed is 40r / min; the extruded material strips are cooled in a water trough and air-cooled, and then introduced into a pelletizer for pelletizing; the pellets are dried at 80°C for 2h, and then injection molded by an injection molding machine at 180°C and an injection molding pressure of 5MPa to obtain an aging-resistant polyethylene composite material.

[0145] The photoinitiator is selected from 1-hydroxycyclohexyl phenyl ketone.

[0146] The wavelength of the ultraviolet light irradiated by the ultraviolet lamp is 320nm; the energy of the ultraviolet light irradiated by the ultraviolet lamp is 150mj.

[0147] The performance methods and results of the samples prepared in the above examples and comparative examples are as follows:

[0148] 1. Aging resistance test: Place the sample in an aging box for 48 hours. The sample should be about 30mm away from the ultraviolet high-pressure mercury lamp. The main wavelength of the ultraviolet high-pressure mercury lamp is 300-360nm. The samples that have been light-aged for different times will be tested for tensile strength according to GB / T1040-1992 and for impact strength according to GB / T1043-1993.

[0149] 2. Wear is tested according to ASTM G99-04.

[0150]

[0151]

[0152] By comparing the data of the above embodiments with those of the comparative examples, it can be seen that the combined vertical aging-resistant simulated plant landscape wall prepared by the present invention is durable and does not decompose for a long time under ultraviolet irradiation. It is also resistant to friction and not easily damaged. The polyethylene material has the properties of aging resistance and abrasion resistance.

[0153] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A method for preparing a combined vertical aging-resistant simulated plant landscape wall, characterized by: It includes a main wall, a support plate, a fixing frame, a fixing pin, a limit frame, a mounting slot, a display table, a display box, a handle, an adjustment mechanism, and a limit clamping mechanism; The material of the main wall is made of aging-resistant polyethylene composite material, and the preparation method is as follows: S1: placing polyethylene on a flat plate in a dark reaction box and irradiating it with a UV lamp for 10-30 seconds under an Ar2 gas inhalation atmosphere to obtain irradiated polyethylene; S2: Prepare an impregnation solution: by weight, mix 1-5 parts of allyl zinc bromide, 3-8 parts of tetrabromobisphenol A bisallyl ether, 0.005-0.05 parts of methacryloyloxypropyl cage-type polysilsesquioxane, CAS: 160185-24-0, 100-300 parts of DMF, and 1-3 parts of a photoinitiator, and immerse 20-30 parts of irradiated polyethylene in the solution at 70-80° C. for 1-4 hours, filter, and dry to obtain an impregnated polyethylene; S3: Photopolymerization treatment: The impregnated polyethylene obtained in step S2 is placed on a flat plate in a dark reaction chamber and irradiated with a UV lamp under an Ar2 gas inhalation atmosphere to initiate further polymerization. After the polymerization reaction has lasted for 40-90 minutes, the polyethylene is carefully peeled off from the flat plate to obtain modified polyethylene; S4: According to weight, weigh 85-100 parts of modified polyethylene and 1-7 parts of nano-TiO2 with a particle size of 400-700nm, mix and stir; S5: The extruder is then extruded using a single-screw extruder with the temperature controlled at 160-200°C and the screw speed at 40-60r / min. The extruded material strips are cooled in a water trough and air-cooled, and then introduced into a pelletizer for pelletizing. The pellets are dried at 80-90°C for 2-5h, and then injection molded using an injection molding machine at 180-200°C and an injection molding pressure of 5-7MPa to obtain an aging-resistant polyethylene composite material.

2. The method for preparing a combined vertical anti-aging artificial plant landscape wall according to claim 1, characterized in that: The support plate is installed at the bottom of the main wall.

3. The method for preparing a combined vertical anti-aging artificial plant landscape wall according to claim 1, characterized in that: The fixing frames are installed on both sides of the back side of the main wall near the top, and the fixing pins are passed through the inside of the fixing frames.

4. The method for preparing a combined vertical anti-aging artificial plant landscape wall according to claim 1, characterized in that: The limiting frame is installed at the front edge of the main wall.

5. The method for preparing a combined vertical anti-aging artificial plant landscape wall according to claim 1, characterized in that: The installation groove is installed near the top of the main wall front, and a placement box is provided on the inner side of the installation groove, and a handle is installed on the surface of the placement box.

6. The method for preparing a combined vertical anti-aging artificial plant landscape wall according to claim 1, characterized in that: The placing table is installed at the bottom of the front side of the main wall, and the surface of the placing table is connected to the limiting clamping mechanism.

7. The method for preparing a combined vertical anti-aging artificial plant landscape wall according to claim 1, characterized in that: The adjusting mechanism is installed between the placing box and the main wall.

8. The method for preparing a combined vertical anti-aging artificial plant landscape wall according to claim 1, characterized in that: The photoinitiator is selected from at least one of 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-methylphenyl propane-1-one, 2,4,6 (trimethylbenzoyl diphenyl phosphine oxide) and xylene ketone.

9. The method for preparing a combined vertical anti-aging artificial plant landscape wall according to claim 1, characterized in that: The wavelength of the ultraviolet light irradiated by the ultraviolet lamp is 320-400nm; the energy of the ultraviolet light irradiated by the ultraviolet lamp is 150-300mj.

Images