Aluminum gusset plate capable of purifying air and preparation method of aluminum gusset plate

Abstract

The invention discloses an aluminum gusset plate capable of purifying air. The aluminum gusset plate comprises an aluminum gusset plate base body, the aluminum gusset plate base body is immersed into a sufficient amount of modified coating agent to be fully treated, and after immersion is finished, the aluminum gusset plate base body is taken out and dried to form a modified coating layer. According to the aluminum gusset plate capable of purifying air, an aluminum gusset plate base body is matched with a modified coating agent for immersion treatment, bisphenol A epoxy resin in the modified coating agent serves as a base body raw material, a flame retardant, a curing agent, a silane coupling agent KH560 and carboxymethyl cellulose are added to serve as functional auxiliaries, and a zeolite additive and a conditioning agent are added to serve as coordinating and coordinating raw materials, so that the aluminum gusset plate capable of purifying air is obtained. The two components are synergic together, the air purification and flame retardance of the product are harmoniously improved, and the product has remarkable scratch resistance and acid corrosion stability.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum gusset plates, and in particular to an aluminum gusset plate capable of purifying air and a preparation method thereof. Background Art

[0002] Aluminum gusset plates are based on aluminum alloy plates and are obtained through cutting, cutting corners, and compression molding. Various coatings are used on the surface of the aluminum gusset plates to obtain various aluminum gusset plate products. Aluminum gusset plates are mainly divided into two types, one is home improvement integrated aluminum gusset plates, and the other is engineering aluminum gusset plates. Home improvement aluminum gusset plates were initially mainly divided into two series: roll coating and frosting.

[0003] The existing aluminum gussets are designed to improve the air purification performance of the product, but the product has poor flame retardant performance. It is difficult to coordinate the air purification and flame retardancy of the product, and it is difficult for the product to achieve scratch resistance and acid corrosion stability, which limits the product's use efficiency. Summary of the invention

[0004] In view of the defects of the prior art, the purpose of the present invention is to provide an aluminum gusset plate capable of purifying air and a preparation method thereof, so as to solve the problems raised in the above-mentioned background technology.

[0005] The present invention solves the technical problem by adopting the following technical solution: The present invention provides an aluminum gusset plate capable of purifying air, comprising an aluminum gusset plate substrate, wherein the aluminum gusset plate substrate is immersed in a sufficient amount of a modified coating agent for full treatment, and after the immersion is completed, the substrate is taken out and dried to form a modified coating layer; The modified coating agent comprises the following raw materials in parts by weight: 35-45 parts of bisphenol A epoxy resin, 20-30 parts of acetone solvent, 4-7 parts of zeolite additive, 2-5 parts of flame retardant, 2-3 parts of regulator, 2-4 parts of curing agent, 2-3 parts of silane coupling agent KH560, and 2-3 parts of carboxymethyl cellulose.

[0006] Preferably, the curing agent is an isocyanate curing agent; and the flame retardant is magnesium hydroxide.

[0007] Preferably, the preparation method of the zeolite additive is: S1: calcining the zeolite at 210-230°C for 10-15min, cooling to 55°C at a rate of 2-5°C / min after calcination, stirring and mixing the treated zeolite in a sufficient amount of potassium permanganate solution, then washing with water and drying; S2: adding 2-4 parts of diatomaceous earth and 1-3 parts of nano titanium dioxide to 4-7 parts of lanthanum chloride solution, and then adding 2-5 parts of sodium dodecylbenzene sulfonate solution and 1-2 parts of citric acid to fully mix to obtain a treatment solution; S3: The zeolite dried in S1 and the treatment liquid are stirred at a weight ratio of 2:5. After stirring, the mixture is washed with water and dried to obtain a zeolite additive.

[0008] Zeolite additives use zeolite that has been improved through distributed heat, and potassium permanganate that is easy to handle to optimize activity performance, and are then blended and coordinated with diatomaceous earth, nano-titanium dioxide and other raw materials to work synergistically to enhance the product's air purification performance and flame retardancy.

[0009] Preferably, the mass fraction of the potassium permanganate solution is 2-5%.

[0010] Preferably, the mass fraction of the lanthanum chloride solution is 3-6%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 3-5%.

[0011] Preferably, the stirring speed of the stirring treatment is 550-750 r / min, and the stirring time is 1-2 h.

[0012] Preferably, the preparation method of the regulator is: S11: mixing the nano calcium carbonate with a sufficient amount of sodium alginate solution to obtain a nano calcium carbonate solution; S12: adding 1-3 parts of silane coupling agent KH550 and 1-2 parts of nano silica sol to 4-7 parts of dopamine hydrochloride solution, and then adding 1-2 parts of silicon carbide whiskers to fully blend to obtain a modified solution; S13: mixing the nano calcium carbonate solution and the modified solution in a weight ratio of 5:3, and subjecting the mixture to ball milling. After the ball milling is completed, washing with water and drying are performed to obtain a regulator.

[0013] Preferably, the mass fraction of the sodium alginate solution is 2-5%; the mass fraction of the dopamine hydrochloride solution is 4-6%.

[0014] Nano calcium carbonate is treated with sodium alginate solution to improve its dispersion, and then the modified liquid obtained by co-formulating the whisker structure of silicon carbide whiskers with silane coupling agent KH550, nano silica sol and dopamine hydrochloride solution raw materials is used to improve the nano calcium carbonate, thereby improving the co-formulation effect of the regulator on the zeolite additive.

[0015] Preferably, the mixing and ball milling treatment is carried out at a ball milling speed of 700-1000 r / min, and the ball milling is carried out for 1-2 hours.

[0016] The present invention also provides a method for preparing an aluminum gusset plate capable of purifying air, comprising the following steps: Weigh the raw materials in the modified coating agent according to weight, and then mix them thoroughly to obtain the modified coating agent. Immerse the aluminum gusset plate substrate in a sufficient amount of the modified coating agent for sufficient immersion treatment. The ultrasonic power is 350-400W and the immersion time is 1 hour. Take out and dry to obtain the aluminum gusset plate that can purify the air.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The aluminum gusset plate capable of purifying air of the present invention is treated by immersion of an aluminum gusset plate substrate in combination with a modified coating agent, wherein the bisphenol A epoxy resin in the modified coating agent is a matrix raw material, and flame retardants, curing agents, silane coupling agents KH560 and carboxymethyl cellulose are added as functional additives, and zeolite additives and regulators are added as coordinated and coordinated raw materials, the two are synergistic, the air purification and flame retardancy of the product are coordinated and improved, and the product realizes remarkable effects of scratch resistance and acid corrosion stability. DETAILED DESCRIPTION

[0018] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] The aluminum gusset plate capable of purifying air of the present embodiment comprises an aluminum gusset plate substrate, the aluminum gusset plate substrate is immersed in a sufficient amount of a modified coating agent for full treatment, and after the immersion is completed, the substrate is taken out and dried to form a modified coating layer; The modified coating agent comprises the following raw materials in parts by weight: 35-45 parts of bisphenol A epoxy resin, 20-30 parts of acetone solvent, 4-7 parts of zeolite additive, 2-5 parts of flame retardant, 2-3 parts of regulator, 2-4 parts of curing agent, 2-3 parts of silane coupling agent KH560, and 2-3 parts of carboxymethyl cellulose.

[0020] The curing agent in this embodiment is an isocyanate curing agent; and the flame retardant is magnesium hydroxide.

[0021] The preparation method of the zeolite additive of this embodiment is: S1: calcining the zeolite at 210-230°C for 10-15min, cooling to 55°C at a rate of 2-5°C / min after calcination, stirring and mixing the treated zeolite in a sufficient amount of potassium permanganate solution, then washing with water and drying; S2: adding 2-4 parts of diatomaceous earth and 1-3 parts of nano titanium dioxide to 4-7 parts of lanthanum chloride solution, and then adding 2-5 parts of sodium dodecylbenzene sulfonate solution and 1-2 parts of citric acid to fully mix to obtain a treatment solution; S3: The zeolite dried in S1 and the treatment liquid are stirred at a weight ratio of 2:5. After stirring, the mixture is washed with water and dried to obtain a zeolite additive.

[0022] The mass fraction of the potassium permanganate solution in this embodiment is 2-5%.

[0023] The mass fraction of the lanthanum chloride solution in this embodiment is 3-6%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 3-5%.

[0024] The stirring speed of the stirring process in this embodiment is 550-750 r / min, and the stirring time is 1-2 h.

[0025] The preparation method of the regulator of this embodiment is: S11: mixing the nano calcium carbonate with a sufficient amount of sodium alginate solution to obtain a nano calcium carbonate solution; S12: adding 1-3 parts of silane coupling agent KH550 and 1-2 parts of nano silica sol to 4-7 parts of dopamine hydrochloride solution, and then adding 1-2 parts of silicon carbide whiskers to fully blend to obtain a modified solution; S13: mixing the nano calcium carbonate solution and the modified solution in a weight ratio of 5:3, and subjecting the mixture to ball milling. After the ball milling is completed, washing with water and drying are performed to obtain a regulator.

[0026] The mass fraction of the sodium alginate solution in this embodiment is 2-5%; the mass fraction of the dopamine hydrochloride solution is 4-6%.

[0027] The ball milling speed of the mixing ball milling treatment in this embodiment is 700-1000r / min, and the ball milling is 1-2h.

[0028] A method for preparing an aluminum gusset plate capable of purifying air in this embodiment comprises the following steps: Weigh the raw materials in the modified coating agent according to weight, and then mix them thoroughly to obtain the modified coating agent. Immerse the aluminum gusset plate substrate in a sufficient amount of the modified coating agent for sufficient immersion treatment. The ultrasonic power is 350-400W and the immersion time is 1 hour. Take out and dry to obtain the aluminum gusset plate that can purify the air.

[0029] Example 1. The aluminum gusset plate capable of purifying air of the present embodiment comprises an aluminum gusset plate substrate, the aluminum gusset plate substrate is immersed in a sufficient amount of a modified coating agent for full treatment, and after the immersion is completed, the substrate is taken out and dried to form a modified coating layer; The modified coating agent comprises the following raw materials in parts by weight: 35 parts of bisphenol A epoxy resin, 20 parts of acetone solvent, 4 parts of zeolite additive, 2 parts of flame retardant, 2 parts of regulator, 2 parts of curing agent, 2 parts of silane coupling agent KH560, and 2 parts of carboxymethyl cellulose.

[0030] The curing agent in this embodiment is an isocyanate curing agent; and the flame retardant is magnesium hydroxide.

[0031] The preparation method of the zeolite additive of this embodiment is: S1: calcining the zeolite at 210°C for 10 min, cooling it to 55°C at a rate of 2°C / min after calcination, stirring and mixing the treated zeolite in a sufficient amount of potassium permanganate solution, then washing with water and drying; S2: adding 2 parts of diatomaceous earth and 1 part of nano titanium dioxide to 4 parts of lanthanum chloride solution, and then adding 2 parts of sodium dodecylbenzene sulfonate solution and 1 part of citric acid to fully mix to obtain a treatment solution; S3: The zeolite dried in S1 and the treatment liquid are stirred at a weight ratio of 2:5. After stirring, the mixture is washed with water and dried to obtain a zeolite additive.

[0032] The mass fraction of the potassium permanganate solution in this embodiment is 2%.

[0033] The mass fraction of the lanthanum chloride solution in this embodiment is 3%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 3%.

[0034] The stirring speed of the stirring process in this embodiment is 550 r / min, and the stirring time is 1 hour.

[0035] The preparation method of the regulator of this embodiment is: S11: mixing the nano calcium carbonate with a sufficient amount of sodium alginate solution to obtain a nano calcium carbonate solution; S12: adding 1 part of silane coupling agent KH550 and 1 part of nano silica sol to 4 parts of dopamine hydrochloride solution, and then adding 1 part of silicon carbide whisker to mix well to obtain a modified solution; S13: mixing the nano calcium carbonate solution and the modified solution in a weight ratio of 5:3, and subjecting the mixture to ball milling. After the ball milling is completed, washing with water and drying are performed to obtain a regulator.

[0036] The mass fraction of the sodium alginate solution in this embodiment is 2%; the mass fraction of the dopamine hydrochloride solution is 4%.

[0037] The ball milling speed of the mixing ball milling treatment in this embodiment is 700 r / min, and the ball milling is performed for 1 hour.

[0038] A method for preparing an aluminum gusset plate capable of purifying air in this embodiment comprises the following steps: Weigh the raw materials in the modified coating agent according to weight, and then mix them thoroughly to obtain the modified coating agent. Immerse the aluminum gusset plate substrate in a sufficient amount of the modified coating agent for sufficient immersion treatment. The ultrasonic power is 350W and the immersion time is 1 hour. Take out and dry to obtain the aluminum gusset plate that can purify the air.

[0039] Example 2. The aluminum gusset plate capable of purifying air of the present embodiment comprises an aluminum gusset plate substrate, the aluminum gusset plate substrate is immersed in a sufficient amount of a modified coating agent for full treatment, and after the immersion is completed, the substrate is taken out and dried to form a modified coating layer; The modified coating agent comprises the following raw materials in parts by weight: 45 parts of bisphenol A epoxy resin, 30 parts of acetone solvent, 7 parts of zeolite additive, 5 parts of flame retardant, 3 parts of regulator, 4 parts of curing agent, 3 parts of silane coupling agent KH560, and 3 parts of carboxymethyl cellulose.

[0040] The curing agent in this embodiment is an isocyanate curing agent; and the flame retardant is magnesium hydroxide.

[0041] The preparation method of the zeolite additive of this embodiment is: S1: calcining the zeolite at 230°C for 15 min, cooling it to 55°C at a rate of 5°C / min after calcination, stirring and mixing the treated zeolite in a sufficient amount of potassium permanganate solution, then washing with water and drying; S2: adding 4 parts of diatomaceous earth and 3 parts of nano titanium dioxide to 7 parts of lanthanum chloride solution, and then adding 5 parts of sodium dodecylbenzene sulfonate solution and 2 parts of citric acid to fully mix to obtain a treatment solution; S3: The zeolite dried in S1 and the treatment liquid are stirred at a weight ratio of 2:5. After stirring, the mixture is washed with water and dried to obtain a zeolite additive.

[0042] The mass fraction of the potassium permanganate solution in this embodiment is 5%.

[0043] The mass fraction of the lanthanum chloride solution in this embodiment is 6%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 5%.

[0044] The stirring speed of the stirring process in this embodiment is 750 r / min, and the stirring time is 2 h.

[0045] The preparation method of the regulator of this embodiment is: S11: mixing the nano calcium carbonate with a sufficient amount of sodium alginate solution to obtain a nano calcium carbonate solution; S12: adding 3 parts of silane coupling agent KH550 and 2 parts of nano silica sol to 7 parts of dopamine hydrochloride solution, and then adding 2 parts of silicon carbide whiskers to fully blend to obtain a modified solution; S13: mixing the nano calcium carbonate solution and the modified solution in a weight ratio of 5:3, and subjecting the mixture to ball milling. After the ball milling is completed, washing with water and drying are performed to obtain a regulator.

[0046] The mass fraction of the sodium alginate solution in this embodiment is 5%; the mass fraction of the dopamine hydrochloride solution is 6%.

[0047] The ball milling speed of the mixing ball milling treatment in this embodiment is 1000r / min, and the ball milling is 2h.

[0048] A method for preparing an aluminum gusset plate capable of purifying air in this embodiment comprises the following steps: Weigh the raw materials in the modified coating agent according to weight, and then mix them thoroughly to obtain the modified coating agent. Immerse the aluminum gusset plate substrate in a sufficient amount of the modified coating agent for sufficient immersion treatment. The ultrasonic power is 350-400W and the immersion time is 1 hour. Take out and dry to obtain the aluminum gusset plate that can purify the air.

[0049] Example 3. The aluminum gusset plate capable of purifying air of the present embodiment comprises an aluminum gusset plate substrate, the aluminum gusset plate substrate is immersed in a sufficient amount of a modified coating agent for full treatment, and after the immersion is completed, the substrate is taken out and dried to form a modified coating layer; The modified coating agent comprises the following raw materials in parts by weight: 40 parts of bisphenol A epoxy resin, 25 parts of acetone solvent, 5.5 parts of zeolite additive, 3.5 parts of flame retardant, 2.5 parts of regulator, 3 parts of curing agent, 2.5 parts of silane coupling agent KH560, and 2.5 parts of carboxymethyl cellulose.

[0050] The curing agent in this embodiment is an isocyanate curing agent; and the flame retardant is magnesium hydroxide.

[0051] The preparation method of the zeolite additive of this embodiment is: S1: calcining the zeolite at 220°C for 12 min, cooling it to 55°C at a rate of 3.5°C / min after calcination, stirring and mixing the treated zeolite in a sufficient amount of potassium permanganate solution, then washing with water and drying; S2: adding 3 parts of diatomaceous earth and 2 parts of nano titanium dioxide to 5.5 parts of lanthanum chloride solution, and then adding 3.5 parts of sodium dodecylbenzene sulfonate solution and 1.5 parts of citric acid to fully mix to obtain a treatment solution; S3: The zeolite dried in S1 and the treatment liquid are stirred at a weight ratio of 2:5. After stirring, the mixture is washed with water and dried to obtain a zeolite additive.

[0052] The mass fraction of the potassium permanganate solution in this embodiment is 3.5%.

[0053] The mass fraction of the lanthanum chloride solution in this embodiment is 4.5%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 4%.

[0054] The stirring speed of the stirring process in this embodiment is 600 r / min, and the stirring time is 1.5 h.

[0055] The preparation method of the regulator of this embodiment is: S11: mixing the nano calcium carbonate with a sufficient amount of sodium alginate solution to obtain a nano calcium carbonate solution; S12: adding 2 parts of silane coupling agent KH550 and 1.5 parts of nano silica sol to 5.5 parts of dopamine hydrochloride solution, and then adding 1.5 parts of silicon carbide whiskers to fully blend to obtain a modified solution; S13: mixing the nano calcium carbonate solution and the modified solution in a weight ratio of 5:3, and subjecting the mixture to ball milling. After the ball milling is completed, washing with water and drying are performed to obtain a regulator.

[0056] The mass fraction of the sodium alginate solution in this embodiment is 3.5%; the mass fraction of the dopamine hydrochloride solution is 5%.

[0057] The ball milling speed of the mixing ball milling treatment in this embodiment is 850 r / min, and the ball milling is 1.5 hours.

[0058] A method for preparing an aluminum gusset plate capable of purifying air in this embodiment comprises the following steps: Weigh the raw materials in the modified coating agent according to weight, and then mix them thoroughly to obtain the modified coating agent. Immerse the aluminum gusset plate substrate in a sufficient amount of the modified coating agent for sufficient immersion treatment. The ultrasonic power of the immersion is 370W and the immersion time is 1 hour. Take out and dry to obtain the aluminum gusset plate that can purify the air.

[0059] Comparative Example 1. The difference from Example 3 is that no zeolite additive is added.

[0060] Comparative Example 2. The difference from Example 3 is that no S1 treatment is added to the zeolite additive.

[0061] Comparative Example 3. The difference from Example 3 is that no treatment liquid is added to the zeolite additive.

[0062] Comparative Example 4. The difference from Example 3 is that diatomaceous earth and nano-titanium dioxide are not added to the treatment liquid.

[0063] Comparative Example 5. The difference from Example 3 is that no regulator was added.

[0064] Comparative Example 6. The difference from Example 3 is that no modifying liquid treatment is used in the regulator.

[0065] The conventional performance test of the products of Examples 1-3 and Comparative Examples 1-6 was carried out by placing them in 2% hydrochloric acid for 24 hours, and then scraping them with a scraping force of 10N for 20 minutes. The test was as follows:

[0066] It can be seen from Comparative Examples 1-6 and Example 3 that the product of Example 3 has excellent air purification efficiency and flame retardant properties, and the product is also resistant to acid corrosion and has significant scratch stability. In the present invention, the performance of the product is significantly deteriorated when neither the zeolite additive nor the regulator is added. The synergistic effect of the two is used to achieve the most significant product performance effect. The performance of the product is not as significant as the improvement effect of the present invention when S1 is not added to the zeolite additive, treatment liquid is not added to the zeolite additive, diatomaceous earth and nano-titanium dioxide are not added to the treatment liquid, and the regulator is not treated with modifying liquid. Only when the product raw material ratio of the present invention is adopted, the product performance effect is most significant.

[0067] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0068] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An aluminum gusset plate capable of purifying air, comprising an aluminum gusset plate substrate, characterized in that: The aluminum gusset plate substrate is immersed in a sufficient amount of modified coating agent for full treatment, and after the immersion is completed, it is taken out and dried to form a modified coating layer; The modified coating agent comprises the following raw materials in parts by weight: 35-45 parts of bisphenol A epoxy resin, 20-30 parts of acetone solvent, 4-7 parts of zeolite additive, 2-5 parts of flame retardant, 2-3 parts of regulator, 2-4 parts of curing agent, 2-3 parts of silane coupling agent KH560, and 2-3 parts of carboxymethyl cellulose.

2. The aluminum gusset plate capable of purifying air according to claim 1, characterized in that: The curing agent is an isocyanate curing agent; and the flame retardant is magnesium hydroxide.

3. The aluminum gusset plate capable of purifying air according to claim 1, characterized in that: The preparation method of the zeolite additive is: S1: calcining the zeolite at 210-230°C for 10-15min, cooling to 55°C at a rate of 2-5°C / min after calcination, stirring and mixing the treated zeolite in a sufficient amount of potassium permanganate solution, then washing with water and drying; S2: adding 2-4 parts of diatomaceous earth and 1-3 parts of nano titanium dioxide to 4-7 parts of lanthanum chloride solution, and then adding 2-5 parts of sodium dodecylbenzene sulfonate solution and 1-2 parts of citric acid to fully mix to obtain a treatment solution; S3: The zeolite dried in S1 and the treatment liquid are stirred at a weight ratio of 2:

5. After stirring, the mixture is washed with water and dried to obtain a zeolite additive.

4. The aluminum gusset plate capable of purifying air according to claim 3, characterized in that: The mass fraction of the potassium permanganate solution is 2-5%.

5. The aluminum gusset plate capable of purifying air according to claim 3, characterized in that: The mass fraction of the lanthanum chloride solution is 3-6%; the mass fraction of the sodium dodecylbenzene sulfonate solution is 3-5%.

6. The aluminum gusset plate capable of purifying air according to claim 3, characterized in that: The stirring speed of the stirring treatment is 550-750 r / min, and the stirring time is 1-2 h.

7. The aluminum gusset plate capable of purifying air according to claim 1, characterized in that: The preparation method of the regulator is: S11: mixing nano calcium carbonate with a sufficient amount of sodium alginate solution to obtain nano calcium carbonate solution; S12: adding 1-3 parts of silane coupling agent KH550 and 1-2 parts of nano silica sol to 4-7 parts of dopamine hydrochloride solution, and then adding 1-2 parts of silicon carbide whiskers to fully blend to obtain a modified solution; S13: mixing the nano calcium carbonate solution and the modified solution in a weight ratio of 5:3, and subjecting the mixture to ball milling. After the ball milling is completed, washing with water and drying are performed to obtain a regulator.

8. The aluminum gusset plate capable of purifying air according to claim 7, characterized in that: The mass fraction of the sodium alginate solution is 2-5%; the mass fraction of the dopamine hydrochloride solution is 4-6%.

9. The aluminum gusset plate capable of purifying air according to claim 7, characterized in that: The mixing and ball milling treatment is performed at a ball milling speed of 700-1000 r / min and the ball milling is performed for 1-2 hours.

10. A method for preparing an aluminum gusset plate capable of purifying air as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Weigh the raw materials in the modified coating agent according to weight, and then mix them thoroughly to obtain the modified coating agent. Immerse the aluminum gusset plate substrate in a sufficient amount of the modified coating agent for sufficient immersion treatment. The ultrasonic power is 350-400W and the immersion time is 1 hour. Take out and dry to obtain the aluminum gusset plate that can purify the air.

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