Graphene negative ion coating

Abstract

The invention belongs to the technical field of negative ion coatings, and particularly relates to a graphene negative ion coating which comprises the following raw materials in percentage by weight: 15-25% of titanium dioxide, 4-6% of kaolin, 10-20% of high-calcium powder, 20-40% of natural resin emulsion, 1-2% of tourmaline, 1-2% of cryolite powder, 25-30% of water and 1-2.5% of single-layer graphene solution.

Description

A graphene negative ion coating Technical Field

[0001] This invention belongs to the field of negative ion coating technology, and particularly relates to a graphene negative ion coating. Background Technology

[0002] Existing negative ion coatings mostly rely on the piezoelectric or thermal effects of natural minerals such as tourmaline and rare crystals to release negative ions. Their release performance is easily limited by environmental factors such as light intensity and air circulation speed. In dark environments (such as windowless rooms or basements) or enclosed spaces (such as rooms or offices with doors and windows closed for extended periods), the release of negative ions decreases significantly, making it difficult to achieve continuous 24-hour air purification. Their removal efficiency for indoor harmful pollutants such as formaldehyde and benzene is limited, failing to fully meet people's high demands for indoor air quality.

[0003] Meanwhile, some existing negative ion coatings, in pursuit of functional stability, add complex chemical additives to their formulas, which not only increases the cost of industrial production but may also introduce new potential pollutants. Furthermore, some products have cumbersome manufacturing processes involving multiple high-temperature reactions or specialized equipment, hindering large-scale promotion. In addition, traditional negative ion coatings often focus on negative ion release, with weaker antibacterial and bacteriostatic properties, making it difficult to inhibit the growth of mold and bacteria on walls, affecting the health of the living environment and the decorative durability of the coating. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned technical problems by providing a graphene negative ion coating.

[0005] In view of this, the present invention provides a graphene negative ion coating, the raw material composition of which, by weight percentage, includes: 15-25% titanium dioxide, 4-6% kaolin, 10-20% high calcium powder, 20-40% natural resin emulsion, 1-2% tourmaline, 1-2% rare crystal powder, 25-30% water and 1-2.5% monolayer graphene solution.

[0006] Preferably, it also includes a method for preparing negative ion coatings, comprising the following steps:

[0007] Step 1: Add the prescribed amount of water to the reaction vessel and turn on the stirring device;

[0008] Step 2: Add titanium dioxide, kaolin, high calcium powder, rare crystal powder and tourmaline to the water in sequence, and continue stirring until the solid raw materials are completely dissolved and there are no obvious particles.

[0009] Step 3: Add the natural resin emulsion to the system and stir until it is evenly mixed;

[0010] Step 4: Finally, add the monolayer graphene solution and continue stirring until the system is homogeneous and stable to obtain the target product.

[0011] Preferably, the titanium dioxide has a weight percentage of 17-23%.

[0012] Preferably, the weight percentage of the kaolin is 4.5-5.5%.

[0013] Preferably, the high-calcium powder has a weight percentage of 13-18%.

[0014] Preferably, the natural resin emulsion has a weight percentage of 25-35%.

[0015] Preferably, in step two, the stirring speed is 280-320 r / min and the stirring time is 55-65 minutes.

[0016] Preferably, the stirring time in step three is 25-35 minutes, and the stirring time in step four is 35-45 minutes.

[0017] Preferably, the weight percentage of the monolayer graphene solution is 1.5-2%.

[0018] Preferably, the sum of the weight percentages of tourmaline and rare crystal powder is 2.8-3.5%.

[0019] The beneficial effects of this invention are: by introducing a single-layer graphene solution into the formula, and combining it with the negative ion release characteristics of tourmaline and rare crystal powder, it breaks through the dependence of traditional negative ion coatings on light and air circulation, and achieves continuous and stable release of negative ions for 24 hours in dark and enclosed environments. It can efficiently decompose harmful pollutants such as formaldehyde and benzene in the room, and at the same time significantly inhibit common pathogens, thereby improving indoor air quality from the source and providing residents with a healthy and clean environment.

[0020] The raw material ratio of this negative ion coating is scientifically and rationally formulated. The synergistic effect of each component not only ensures excellent functionality but also endows the product with good film-forming properties, adhesion, and decorative properties. After application, the wall surface is smooth, even, and uniform in color. Its preparation process is simple, requiring no high-temperature reaction or special equipment; it can be completed simply by stirring and dispersing, significantly reducing energy consumption and costs in industrial production. Moreover, the raw materials are all environmentally friendly components, with no toxic or harmful substances added. It is suitable for various scenarios such as residential buildings, commercial buildings, and public buildings, and has significant economic value and market application prospects. Attached Figure Description

[0021] Figure 1 is a flowchart of the present invention;

[0022] Figure 2 is a screenshot of the test report proving the invention. Detailed Implementation

[0023] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0024] Raw material composition (by weight percentage): titanium dioxide 15-25%, kaolin 4-6%, high calcium powder 10-20%, natural resin emulsion 20-40%, tourmaline 1-2%, rare crystal powder 1-2%, water 25-30%, and appropriate amount of single-layer graphene solution.

[0025] Preparation method: (1) Add the prescribed amount of water to the reaction vessel and turn on the stirring device; (2) Add titanium dioxide, kaolin, high calcium powder, rare crystal powder and tourmaline to the water in sequence, and continue stirring until the solid raw materials are completely dissolved and there are no obvious particles; (3) Add natural resin emulsion to the system and stir until the mixture is uniform; (4) Finally add monolayer graphene solution and continue stirring until the system is uniform and stable to obtain the target product.

[0026] Example 1;

[0027] Raw material ratio (weight percentage): titanium dioxide 18%, kaolin 5%, high calcium powder 15%, natural resin emulsion 30%, tourmaline 1.5%, rare crystal powder 1.5%, water 28%, monolayer graphene solution 2%.

[0028] Preparation steps: (1) Add 28kg of water to the reactor, start the stirrer and adjust the speed to 300r / min; (2) Add 18kg of titanium dioxide, 5kg of kaolin, 15kg of high calcium powder, 1.5kg of rare crystal powder and 1.5kg of tourmaline in sequence, and stir for 60 minutes until there are no solid particles; (3) Add 30kg of natural resin emulsion and stir for 30 minutes until the mixture is uniform; (4) Add 2kg of single-layer graphene solution and continue stirring for 40 minutes to obtain a uniform and stable negative ion coating.

[0029] Example 2;

[0030] Raw material ratio (weight percentage): titanium dioxide 22%, kaolin 4%, high calcium powder 12%, natural resin emulsion 35%, tourmaline 1%, rare crystal powder 1%, water 25%, single-layer graphene solution 1%.

[0031] The preparation steps are the same as in Example 1, and a stable negative ion coating is finally obtained.

[0032] Example 3;

[0033] Raw material ratio (weight percentage): titanium dioxide 20%, kaolin 6%, high calcium powder 18%, natural resin emulsion 25%, tourmaline 2%, rare crystal powder 2%, water 27%, single-layer graphene solution 2%.

[0034] The preparation steps are the same as in Example 1, and the resulting product meets the requirements for continuous release of negative ions and air purification.

[0035] Example 1;

[0036] Raw material ratio (weight percentage): titanium dioxide 15%, kaolin 4%, high calcium powder 10%, natural resin emulsion 40%, tourmaline 1%, rare crystal powder 1%, water 28%, single-layer graphene solution 1%.

[0037] Preparation steps: (1) Add 28kg of water to the reactor, start the stirrer and adjust the speed to 300r / min; (2) Add 15kg of titanium dioxide, 4kg of kaolin, 10kg of high calcium powder, 1kg of rare crystal powder and 1kg of tourmaline in sequence, and stir for 60 minutes until the solid raw materials are completely dissolved and there are no particles; (3) Add 40kg of natural resin emulsion and stir for 30 minutes until the mixture is uniform; (4) Add 1kg of single-layer graphene solution and continue stirring for 40 minutes to obtain a uniform and stable negative ion coating.

[0038] Example 2;

[0039] Raw material ratio (weight percentage): titanium dioxide 17%, kaolin 5%, high calcium powder 13%, natural resin emulsion 35%, tourmaline 1.2%, rare crystal powder 1.3%, water 26%, monolayer graphene solution 1.5%.

[0040] Preparation steps: (1) Add 26kg of water to the reactor, start the stirrer and adjust the speed to 280r / min; (2) Add 17kg of titanium dioxide, 5kg of kaolin, 13kg of high calcium powder, 1.3kg of rare crystal powder and 1.2kg of tourmaline in sequence, and stir for 55 minutes until the solid raw materials are completely dissolved and there are no particles; (3) Add 35kg of natural resin emulsion and stir for 25 minutes until the mixture is uniform; (4) Add 1.5kg of single-layer graphene solution and continue stirring for 35 minutes to obtain a uniform and stable negative ion coating.

[0041] Example 3;

[0042] Raw material ratio (weight percentage): titanium dioxide 19%, kaolin 6%, high calcium powder 16%, natural resin emulsion 30%, tourmaline 1.5%, rare crystal powder 1.5%, water 25%, single-layer graphene solution 1%.

[0043] Preparation steps: (1) Add 25kg of water to the reactor, start the stirrer and adjust the speed to 310r / min; (2) Add 19kg of titanium dioxide, 6kg of kaolin, 16kg of high calcium powder, 1.5kg of rare crystal powder and 1.5kg of tourmaline in sequence, and stir for 65 minutes until the solid raw materials are completely dissolved and there are no particles; (3) Add 30kg of natural resin emulsion and stir for 35 minutes until the mixture is uniform; (4) Add 1kg of single-layer graphene solution and continue stirring for 45 minutes to obtain a uniform and stable negative ion coating.

[0044] Example 4;

[0045] Raw material ratio (weight percentage): titanium dioxide 21%, kaolin 4%, high calcium powder 18%, natural resin emulsion 25%, tourmaline 1.8%, rare crystal powder 1.7%, water 27%, monolayer graphene solution 1.5%.

[0046] Preparation steps: (1) Add 27kg of water to the reaction vessel, start the stirrer and adjust the speed to 290r / min; (2) Add 21kg of titanium dioxide, 4kg of kaolin, 18kg of high calcium powder, 1.7kg of rare crystal powder and 1.8kg of tourmaline in sequence, and stir for 58 minutes until the solid raw materials are completely dissolved and there are no particles; (3) Add 25kg of natural resin emulsion and stir for 28 minutes until the mixture is uniform; (4) Add 1.5kg of single-layer graphene solution and continue stirring for 38 minutes to obtain a uniform and stable negative ion coating.

[0047] Example 5;

[0048] Raw material ratio (by weight): titanium dioxide 23%, kaolin 5%, high calcium powder 20%, natural resin emulsion 20%, tourmaline 2%, rare crystal powder 1.5%, water 26%, monolayer graphene solution 2.5%.

[0049] Preparation steps: (1) Add 26kg of water to the reactor, start the stirrer and adjust the speed to 320r / min; (2) Add 23kg of titanium dioxide, 5kg of kaolin, 20kg of high calcium powder, 1.5kg of rare crystal powder and 2kg of tourmaline in sequence, and stir for 62 minutes until the solid raw materials are completely dissolved and there are no particles; (3) Add 20kg of natural resin emulsion and stir for 32 minutes until the mixture is uniform; (4) Add 2.5kg of single-layer graphene solution and continue stirring for 42 minutes to obtain a uniform and stable negative ion coating.

[0050] Example 6;

[0051] Raw material ratio (weight percentage): titanium dioxide 25%, kaolin 6%, high calcium powder 12%, natural resin emulsion 28%, tourmaline 1.3%, rare crystal powder 2%, water 29%, single-layer graphene solution 1.7%.

[0052] Preparation steps: (1) Add 29kg of water to the reactor, start the stirrer and adjust the speed to 285r / min; (2) Add 25kg of titanium dioxide, 6kg of kaolin, 12kg of high calcium powder, 2kg of rare crystal powder and 1.3kg of tourmaline in sequence, and stir for 56 minutes until the solid raw materials are completely dissolved and there are no particles; (3) Add 28kg of natural resin emulsion and stir for 27 minutes until the mixture is uniform; (4) Add 1.7kg of single-layer graphene solution and continue stirring for 36 minutes to obtain a uniform and stable negative ion coating.

[0053] Example 7;

[0054] Raw material ratio (weight percentage): titanium dioxide 18%, kaolin 4.5%, high calcium powder 15%, natural resin emulsion 32%, tourmaline 1.6%, rare crystal powder 1.4%, water 28%, monolayer graphene solution 1.5%.

[0055] Preparation steps: (1) Add 28kg of water to the reactor, start the stirrer and adjust the speed to 305r / min; (2) Add 18kg of titanium dioxide, 4.5kg of kaolin, 15kg of high calcium powder, 1.4kg of rare crystal powder and 1.6kg of tourmaline in sequence, and stir for 59 minutes until the solid raw materials are completely dissolved and there are no particles; (3) Add 32kg of natural resin emulsion and stir for 31 minutes until the mixture is uniform; (4) Add 1.5kg of single-layer graphene solution and continue stirring for 39 minutes to obtain a uniform and stable negative ion coating.

[0056] Example 8;

[0057] Raw material ratio (weight percentage): titanium dioxide 22%, kaolin 5.5%, high calcium powder 17%, natural resin emulsion 27%, tourmaline 1.9%, rare crystal powder 1.8%, water 30%, monolayer graphene solution 2%.

[0058] Preparation steps: (1) Add 30kg of water to the reactor, start the stirrer and adjust the speed to 295r / min; (2) Add 22kg of titanium dioxide, 5.5kg of kaolin, 17kg of high calcium powder, 1.8kg of rare crystal powder and 1.9kg of tourmaline in sequence, and stir for 61 minutes until the solid raw materials are completely dissolved and there are no particles; (3) Add 27kg of natural resin emulsion and stir for 33 minutes until the mixture is uniform; (4) Add 2kg of single-layer graphene solution and continue stirring for 41 minutes to obtain a uniform and stable negative ion coating.

[0059] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A graphene negative ion coating, characterized in that: By weight percentage, the raw material composition includes: 15-25% titanium dioxide, 4-6% kaolin, 10-20% high-calcium powder, 20-40% natural resin emulsion, 1-2% tourmaline, 1-2% rare crystal powder, 25-30% water, and 1-2.5% monolayer graphene solution.

2. The graphene negative ion coating according to claim 1, characterized in that: It also includes a method for preparing negative ion coatings, comprising the following steps: Step 1: Add the prescribed amount of water to the reaction vessel and turn on the stirring device; Step 2: Add titanium dioxide, kaolin, high-calcium powder, rare crystal powder, and tourmaline to the water in sequence, and continue stirring until the solid raw materials are completely dissolved and there are no obvious particles; Step 3: Add natural resin emulsion to the system and stir until the mixture is uniform; Step 4: Finally, add monolayer graphene solution and continue stirring until the system is homogeneous and stable, thus obtaining the target product.

3. The graphene negative ion coating according to claim 1, characterized in that: The titanium dioxide is 17-23% by weight.

4. The graphene negative ion coating according to claim 1, characterized in that: The weight percentage of the kaolin is 4.5-5.5%.

5. The graphene negative ion coating according to claim 1, characterized in that: The high-calcium powder has a weight percentage of 13-18%.

6. The graphene negative ion coating according to claim 1, characterized in that: The natural resin emulsion comprises 25-35% by weight.

7. The graphene negative ion coating according to claim 5, characterized in that: In step two, the stirring speed is 280-320 r / min and the stirring time is 55-65 minutes.

8. The graphene negative ion coating according to claim 1, characterized in that: The mixing time in step three is 25-35 minutes, and the mixing time in step four is 35-45 minutes.

9. The graphene negative ion coating according to claim 1, characterized in that: The weight percentage of the monolayer graphene solution is 1.5-2%.

10. A graphene negative ion coating according to claim 1, characterized in that: The total weight percentage of tourmaline and rare crystal powder is 2.8-3.5%.

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