Macromolecular raised flooring base material with negative ion releasing effect and preparation method of high molecular raised flooring base material

Abstract

The invention belongs to the technical field of high polymer materials, and particularly discloses a high polymer raised flooring base material with a negative ion release effect and a preparation method thereof, the high polymer raised flooring base material comprises the following preparation raw materials by weight: 100 parts of magnesium oxide, 38-45 parts of magnesium sulfate, 25-28 parts of a negative ion gel material, 2-5 parts of boron nitrate, 8-15 parts of bamboo powder, 4-10 parts of montmorillonite, 2-5 parts of hemihydrate gypsum, 0.2-0.5 part of an additive, and 25-32 parts of water; the macromolecule raised floor base material with the anion releasing effect is a magnesium oxysulfate board base material, the anion gel material added into a system can participate in a hydration reaction in the system to generate a new crystal phase, a network structure which is evenly distributed is formed in a magnesium oxysulfate board, and the high-molecular raised floor base material with the anion releasing effect has the anion releasing effect. Meanwhile, the material has an excellent negative ion release effect, can effectively improve the negative ion concentration, and has a wide application prospect.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of high polymer materials, in particular to a high polymer suspended floor substrate with anion releasing effect and a preparation method thereof. BACKGROUND

[0002] Anions (also known as air vitamins) have many advantages such as freshening air and promoting human health, and are widely used in the fields of air purifiers, health equipment and building materials. Traditional anion releasing materials mostly rely on specific chemical treatment or electrical equipment.

[0003] Magnesium oxysulfate board as a new type of fireproof and environmentally friendly board has the advantages of incombustibility, high strength and water resistance, and has been applied in the field of building decoration. However, the traditional magnesium oxysulfate board has a single function and usually does not have the function of releasing anions.

[0004] At present, some products have added anion source materials (such as ores and mineral powders) into magnesium oxysulfate board to improve air quality. However, these products have problems such as uneven anion release, short anion release duration and unstable performance of the board.

[0005] In view of this, the present application is proposed. SUMMARY

[0006] The present application provides a high polymer suspended floor substrate with anion releasing effect and a preparation method thereof. The high polymer suspended floor substrate has excellent anion releasing effect, can effectively improve the anion concentration, and has excellent mechanical properties.

[0007] The present application solves the technical problem by adopting the following technical scheme: A high polymer suspended floor substrate with anion releasing effect comprises the following preparation raw materials by weight: 100 parts of magnesium oxide, 38-45 parts of magnesium sulfate, 25-28 parts of anion gel material, 2-5 parts of boron nitrate, 8-15 parts of bamboo powder, 4-10 parts of montmorillonite, 2-5 parts of hemihydrate gypsum, 0.2-0.5 parts of additive, and 25-32 parts of water.

[0008] The high polymer suspended floor substrate with anion releasing effect is a magnesium oxysulfate board substrate. By adding the anion gel material in the system, the anion gel material can participate in the hydration reaction in the system to generate a new crystalline phase, forming a uniformly distributed network structure in the magnesium oxysulfate board, thereby improving the microstructure and mechanical properties of the material. The substrate has excellent anion releasing effect, can effectively improve the anion concentration, and has a wide application prospect.

[0009] As a preferred embodiment of the present application, the additive is aminotri-methylene phosphonic acid.

[0010] As a preferred embodiment of the present application, the particle size of the bamboo powder is 200-1000 mesh.

[0011] As a preferred embodiment of the present application, the preparation method of the negative ion gel material is: The modified tourmaline powder, calcium fluoride, fullerene and malic acid are added into the aqueous polyethylene glycol solution, a silane coupling agent is added, stirred uniformly, and then methyl methacrylate gelatin, polyvinylpyrrolidone and polylysine are added, stirred uniformly to obtain the negative ion gel material.

[0012] The modified tourmaline powder is prepared into a negative ion gel material, calcium fluoride and fullerene are added to promote the generation of negative ions, other components participate in the formation of gel, participate in hydration reaction in the system, generate new crystalline phase, form a uniform network structure in the magnesium sulfate board, significantly improve the strength of the system, and improve the negative ion release effect.

[0013] As a preferred embodiment of the present application, the mass ratio of the modified tourmaline powder, calcium fluoride, fullerene, malic acid and aqueous polyethylene glycol solution is 1: (0.06-0.12): (0.08-0.15): (0.04-0.08): (4-10).

[0014] As a preferred embodiment of the present application, the silane coupling agent is γ-aminopropyl triethoxysilane.

[0015] As a preferred embodiment of the present application, the mass ratio of the modified tourmaline powder, silane coupling agent, methyl methacrylate gelatin, polyvinylpyrrolidone and polylysine is 1: (0.01-0.02): (0.05-0.08): (0.08-0.15): (0.04-0.08).

[0016] As a preferred embodiment of the present application, the mass concentration of polyethylene glycol in the aqueous polyethylene glycol solution is 10%.

[0017] As a preferred embodiment of the present application, the preparation method of the modified tourmaline powder is: The tourmaline powder and oxalic acid are added into concentrated sulfuric acid, stirred uniformly, filtered, and dried to obtain a precursor; the mass ratio of the tourmaline powder, oxalic acid and concentrated sulfuric acid is 1: (0.05-0.2): (4-10). The precursor is subjected to plasma modification treatment and dried to obtain the modified barite powder.

[0018] As a preferred embodiment of the present application, the voltage of the plasma modification treatment is 220V, the power is 400-600W, and the time is 5-12min.

[0019] The application further provides a preparation method of the high polymer suspended floor substrate with the negative ion releasing effect, comprising the following steps: The raw materials are mixed according to the proportion to obtain the high polymer suspended floor substrate with the negative ion releasing effect.

[0020] The high polymer suspended floor substrate with the negative ion releasing effect provided by the application is a magnesium oxysulfate plate substrate, and the negative ion gel material is added in the system to participate in the hydration reaction and generate a new crystalline phase, thereby forming a network structure uniformly distributed in the magnesium oxysulfate plate, so that the microstructure and mechanical properties of the material are improved, and the material has an excellent negative ion releasing effect and can effectively improve the negative ion concentration, and has a wide application prospect. DETAILED DESCRIPTION

[0021] To make the objectives, technical solutions and advantages of the embodiments of the application clearer, the technical solutions in the embodiments of the application will be described clearly and completely below. Obviously, the described embodiments are some but not all of the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0022] In the application, the open technical features include the closed technical solutions composed of the listed features and the open technical solutions containing the listed features.

[0023] In the application, if no special description is given, the numerical range is regarded as continuous and includes the minimum value and the maximum value of the range and each value between the minimum value and the maximum value. Further, when the range refers to an integer, each integer between the minimum value and the maximum value of the range is included. In addition, when multiple ranges are provided to describe a feature or a property, the ranges can be combined. In other words, unless otherwise specified, all the ranges disclosed in the application should be understood as including any and all sub-ranges falling within the range.

[0024] In the application, the specific dispersion and stirring treatment methods are not particularly limited.

[0025] The reagents or instruments used in the application are not specified by the manufacturer, and are all conventional products that can be obtained by purchase.

[0026] Example 1 A high-molecular overhead floor base material with anion-releasing effect, comprising the following raw materials by weight: 100 parts of magnesium oxide, 42 parts of magnesium sulfate, 26 parts of anion gel material, 4 parts of boron nitrate, 12 parts of 500-mesh bamboo powder, 6 parts of montmorillonite, 4 parts of hemihydrate gypsum, 0.4 parts of aminotri-methylene phosphonic acid, and 30 parts of water.

[0027] The preparation method of the anion gel material is as follows: The modified tourmaline powder, calcium fluoride, fullerene, malic acid, polyethylene glycol aqueous solution, gamma-aminopropyl triethoxysilane, methacrylic anhydride gelatin, polyvinyl pyrrolidone, and polylysine are mixed in a mass ratio of 1:0.1:0.12:0.05:8:0.02:0.06:0.12:0.06.

[0028] The preparation method of the modified tourmaline powder is as follows: The tourmaline powder and oxalic acid are added into concentrated sulfuric acid, stirred at 200 rpm for 60 min at 50°C, filtered, and dried to obtain a precursor; the mass ratio of the tourmaline powder, oxalic acid, and concentrated sulfuric acid is 1:0.1:8. The precursor is placed in a plasma reaction container, subjected to plasma modification treatment, and dried to obtain modified barite powder. The voltage of the plasma modification treatment is 220 V, the power is 500 W, and the time is 10 min.

[0029] The preparation method of the high-molecular overhead floor base material with anion-releasing effect is as follows: The raw materials are mixed according to the proportions to obtain the high-molecular overhead floor base material with anion-releasing effect.

[0030] Example 2 A high-molecular overhead floor base material with anion-releasing effect, comprising the following raw materials by weight: 100 parts of magnesium oxide, 38 parts of magnesium sulfate, 28 parts of anion gel material, 2 parts of boron nitrate, 15 parts of 500-mesh bamboo powder, 4 parts of montmorillonite, 5 parts of hemihydrate gypsum, 0.2 parts of aminotri-methylene phosphonic acid, and 32 parts of water.

[0031] The preparation method of the anion gel material is as follows: The modified tourmaline powder, calcium fluoride, fullerene, malic acid are added into 10% polyethylene glycol aqueous solution, and then gamma-aminopropyl triethoxysilane is added, and the mixture is stirred at 50℃ and 200rpm for 60min, and then methyl methacrylate gelatin, polyvinylpyrrolidone, polylysine are added, and the mixture is stirred at 50℃ and 200rpm for 60min, to obtain the negative ion gel material. The mass ratio of the modified tourmaline powder, calcium fluoride, fullerene, malic acid, polyethylene glycol aqueous solution, gamma-aminopropyl triethoxysilane, methyl methacrylate gelatin, polyvinylpyrrolidone, polylysine is 1:0.1:0.12:0.05:8:0.02:0.06:0.12:0.06.

[0032] The preparation method of the modified tourmaline powder is as follows: The tourmaline powder and oxalic acid are added into concentrated sulfuric acid, and the mixture is stirred at 50℃ and 200rpm for 60min, and then filtered and dried to obtain the precursor; the mass ratio of the tourmaline powder, oxalic acid and concentrated sulfuric acid is 1:0.1:8. The precursor is placed in a plasma reaction container, and then subjected to plasma modification treatment, and dried to obtain the modified barite powder. The voltage of the plasma modification treatment is 220V, the power is 500W, and the time is 10min.

[0033] The preparation method of the high polymer suspended floor base material with negative ion releasing effect comprises the following steps: The raw materials are mixed according to the ratio to obtain the high polymer suspended floor base material with negative ion releasing effect.

[0034] Example 3 A high polymer suspended floor base material with negative ion releasing effect comprises the following raw materials by weight: 100 parts of magnesium oxide, 45 parts of magnesium sulfate, 25 parts of negative ion gel material, 5 parts of boron nitrate, 8 parts of 500 mesh bamboo powder, 10 parts of montmorillonite, 2 parts of hemihydrate gypsum, 0.5 parts of aminotri-methylene phosphonic acid, and 25 parts of water.

[0035] The preparation method of the negative ion gel material is as follows: The modified tourmaline powder, calcium fluoride, fullerene, malic acid are added into 10% polyethylene glycol aqueous solution, and then gamma-aminopropyl triethoxysilane is added, and the mixture is stirred at 50℃ and 200rpm for 60min, and then methyl methacrylate gelatin, polyvinylpyrrolidone, polylysine are added, and the mixture is stirred at 50℃ and 200rpm for 60min, to obtain the negative ion gel material. The mass ratio of the modified tourmaline powder, calcium fluoride, fullerene, malic acid, polyethylene glycol aqueous solution, gamma-aminopropyl triethoxysilane, methyl methacrylate gelatin, polyvinylpyrrolidone, and polylysine is 1:0.1:0.12:0.05:8:0.02:0.06:0.12:0.06.

[0036] The preparation method of the modified tourmaline powder is as follows: The tourmaline powder and oxalic acid are added into concentrated sulfuric acid, and the mixture is stirred at 50℃ and 200rpm for 60min, and then filtered and dried to obtain a precursor. The mass ratio of the tourmaline powder, oxalic acid, and concentrated sulfuric acid is 1:0.1:8. The precursor is placed in a plasma reaction container, and then subjected to plasma modification treatment, and dried to obtain the modified barite powder. The voltage of the plasma modification treatment is 220V, the power is 500W, and the time is 10min.

[0037] The preparation method of the high polymer suspended floor base material with negative ion releasing effect comprises the following steps: The raw materials are mixed according to the ratio to obtain the high polymer suspended floor base material with negative ion releasing effect.

[0038] Example 4 A high polymer suspended floor base material with negative ion releasing effect comprises the following raw materials by weight: 100 parts of magnesium oxide, 42 parts of magnesium sulfate, 26 parts of negative ion gel material, 4 parts of boron nitrate, 12 parts of 500 mesh bamboo powder, 6 parts of montmorillonite, 4 parts of hemihydrate gypsum, 0.4 parts of aminotri-methylene phosphonic acid, and 30 parts of water.

[0039] The preparation method of the negative ion gel material is as follows: The modified tourmaline powder, calcium fluoride, fullerene, malic acid, 10% polyethylene glycol aqueous solution, gamma-aminopropyl triethoxysilane, methyl methacrylate gelatin, polyvinylpyrrolidone, polylysine are mixed in a mass ratio of 1:0.06:0.15:0.04:8:0.01:0.08:0.18:0.08.

[0040] The preparation method of the modified tourmaline powder is as follows: The tourmaline powder and oxalic acid are added into concentrated sulfuric acid, stirred at 50℃ for 60min at a speed of 200rpm, filtered, dried to obtain a precursor; the mass ratio of the tourmaline powder, oxalic acid and concentrated sulfuric acid is 1:0.1:8. The precursor is placed in a plasma reaction container and subjected to plasma modification treatment, dried to obtain the modified barite powder. The voltage of the plasma modification treatment is 220V, the power is 500W, and the time is 10min.

[0041] The preparation method of the high polymer suspended floor base material with negative ion releasing effect comprises the following steps: The raw materials are mixed according to the ratio to obtain the high polymer suspended floor base material with negative ion releasing effect.

[0042] Example 5 A high polymer suspended floor base material with negative ion releasing effect comprises the following raw materials: 100 parts of magnesium oxide, 42 parts of magnesium sulfate, 26 parts of negative ion gel material, 4 parts of boron nitrate, 12 parts of 500 mesh bamboo powder, 6 parts of montmorillonite, 4 parts of hemihydrate gypsum, 0.4 parts of aminotri-methylene phosphonic acid, and 30 parts of water.

[0043] The preparation method of the negative ion gel material is as follows: The modified tourmaline powder, calcium fluoride, fullerene, malic acid are added into 10% polyethylene glycol aqueous solution, and then gamma-aminopropyl triethoxysilane is added, and the mixture is stirred at 50℃ and 200rpm for 60min, and then methyl methacrylate gelatin, polyvinylpyrrolidone, polylysine are added, and the mixture is stirred at 50℃ and 200rpm for 60min, to obtain the negative ion gel material. The mass ratio of the modified tourmaline powder, calcium fluoride, fullerene, malic acid, polyethylene glycol aqueous solution, gamma-aminopropyl triethoxysilane, methyl methacrylate gelatin, polyvinylpyrrolidone, and polylysine is 1:0.12:0.08:0.08:8:0.02:0.15:0.18:0.04.

[0044] The preparation method of the modified tourmaline powder is as follows: The tourmaline powder and oxalic acid are added into concentrated sulfuric acid, and the mixture is stirred at 50℃ and 200rpm for 60min, and then filtered and dried to obtain a precursor. The mass ratio of the tourmaline powder, oxalic acid, and concentrated sulfuric acid is 1:0.1:8. The precursor is placed in a plasma reaction container, and then subjected to plasma modification treatment, and dried to obtain the modified barite powder. The voltage of the plasma modification treatment is 220V, the power is 500W, and the time is 10min.

[0045] The preparation method of the high polymer suspended floor base material with negative ion releasing effect comprises the following steps: The raw materials are mixed according to the ratio to obtain the high polymer suspended floor base material with negative ion releasing effect.

[0046] Comparative Example 1 Comparative Example 1 is different from Example 1 in that the preparation method of the negative ion gel material is different, and other aspects are the same.

[0047] A high polymer suspended floor base material with negative ion releasing effect comprises the following preparation raw materials by weight: 100 parts of magnesium oxide, 42 parts of magnesium sulfate, 26 parts of negative ion gel material, 4 parts of boron nitrate, 12 parts of 500 mesh bamboo powder, 6 parts of montmorillonite, 4 parts of hemihydrate gypsum, 0.4 parts of aminotri-methylene phosphonic acid, and 30 parts of water. The preparation method of the negative ion gel material is as follows: The tourmaline powder, calcium fluoride, fullerene, malic acid are added into 10% polyethylene glycol aqueous solution, and then γ-aminopropyl triethoxysilane is added, stirring at 200 rpm for 60 min at 50℃, and then methyl methacrylate gelatin, polyvinylpyrrolidone, polylysine are added, stirring at 200 rpm for 60 min at 50℃, to obtain the negative ion gel material. The mass ratio of the tourmaline powder, calcium fluoride, fullerene, malic acid, polyethylene glycol aqueous solution, γ-aminopropyl triethoxysilane, methyl methacrylate gelatin, polyvinylpyrrolidone, polylysine is 1:0.1:0.12:0.05:8:0.02:0.06:0.12:0.06.

[0048] Comparative Example 2

[0049] Comparative Example 2 is different from Example 1 in that the preparation method of the negative ion gel material of Comparative Example 2 is different, and the others are the same.

[0050] A high polymer overhead floor base material with the function of releasing negative ions comprises the following raw materials by weight: 100 parts of magnesium oxide, 42 parts of magnesium sulfate, 26 parts of negative ion gel material, 4 parts of boron nitrate, 12 parts of 500 mesh bamboo powder, 6 parts of montmorillonite, 4 parts of hemihydrate gypsum, 0.4 parts of aminotri-methylene phosphonic acid, and 30 parts of water. The preparation method of the negative ion gel material is as follows: The modified tourmaline powder and malic acid are added into 10% polyethylene glycol aqueous solution, and then γ-aminopropyl triethoxysilane is added, stirring at 200 rpm for 60 min at 50℃, and then methyl methacrylate gelatin, polyvinylpyrrolidone, polylysine are added, stirring at 200 rpm for 60 min at 50℃, to obtain the negative ion gel material. The mass ratio of the modified tourmaline powder, malic acid, polyethylene glycol aqueous solution, γ-aminopropyl triethoxysilane, methyl methacrylate gelatin, polyvinylpyrrolidone, polylysine is 1:0.05:8:0.02:0.06:0.12:0.06.

[0051] The preparation method of the modified tourmaline powder is as follows: The tourmaline powder and oxalic acid are added into concentrated sulfuric acid, stirring at 200 rpm for 60 min at 50℃, and then filtered and dried to obtain a precursor. The mass ratio of the tourmaline powder, oxalic acid, and concentrated sulfuric acid is 1:0.1:8. The precursor is placed in a plasma reaction container, and then subjected to plasma modification treatment, and dried to obtain the modified barite powder. The voltage of the plasma modification treatment is 220V, the power is 500W, and the time is 10 min.

[0052] Test Example

[0053] The high-strength high polymer overhead floor base material of the examples and comparative examples is added into a mold, and cured for 12 days to obtain test plates.

[0054] In a closed space, the negative ion concentration in the air is detected, the test plate is placed in the closed space, and after being stabilized for 24 hours, the increase of negative ions (negative ion induction amount) is detected.

[0055] The bending strength is measured by using a WDW-20 type microcomputer-controlled electronic universal material testing machine and a simply supported beam impact testing machine.

[0056] Table 1

[0057] As can be seen from Table 1, the high polymer overhead floor base material has excellent negative ion releasing effect, can effectively improve the negative ion concentration, and has excellent mechanical properties.

[0058] As can be seen from Comparative Example 1 and Comparative Examples 1-2, the negative ion gel material can significantly improve the negative ion releasing effect of the high polymer overhead floor base material, and significantly improve the mechanical properties.

[0059] Finally, it should be noted that the above examples are used to illustrate the technical solutions of the present application, but not to limit the protection scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the present application.

Claims

1. A polymer raised floor substrate with the function of releasing negative ions, characterized in that: The preparation method comprises the following raw materials in parts by weight: 100 parts of magnesium oxide, 38-45 parts of magnesium sulfate, 25-28 parts of negative ion gel material, 2-5 parts of boron nitrate, 8-15 parts of bamboo powder, 4-10 parts of montmorillonite, 2-5 parts of hemihydrate gypsum, 0.2-0.5 parts of admixture, and 25-32 parts of water.

2. The polymer raised floor substrate with the function of releasing negative ions according to claim 1, characterized in that: The admixture is aminotrimethylenephosphonic acid.

3. The polymer raised floor substrate with the function of releasing negative ions according to claim 1, characterized in that: The particle size of the bamboo powder is 200-1000 meshes.

4. The polymer raised floor substrate with the function of releasing negative ions according to claim 1, characterized in that: The preparation method of the negative ion gel material is: Modified tourmaline powder, calcium fluoride, fullerene and malic acid are added to polyethylene glycol aqueous solution, silane coupling agent is added, stirred evenly, and then methacrylic anhydride gelatin, polyvinyl pyrrolidone and polylysine are added and stirred evenly to obtain a negative ion gel material.

5. The polymer raised floor substrate with the function of releasing negative ions according to claim 4, characterized in that: The mass ratio of the modified tourmaline powder, calcium fluoride, fullerene, malic acid and polyethylene glycol aqueous solution is 1: (0.06-0.12): (0.08-0.15): (0.04-0.08): (4-10).

6. The polymer raised floor substrate with the function of releasing negative ions according to claim 4, characterized in that: The silane coupling agent is γ-aminopropyltriethoxysilane.

7. The polymer raised floor substrate with the function of releasing negative ions according to claim 4, characterized in that: The mass ratio of the modified tourmaline powder, silane coupling agent, methacrylic anhydride gelatin, polyvinyl pyrrolidone and polylysine is 1: (0.01-0.02): (0.05-0.08): (0.08-0.15): (0.04-0.08).

8. The polymer raised floor substrate with the function of releasing negative ions according to claim 4, characterized in that: The preparation method of the modified tourmaline powder is: Add tourmaline powder and oxalic acid to concentrated sulfuric acid, stir evenly, filter, and dry to obtain a precursor; the mass ratio of the tourmaline powder, oxalic acid, and concentrated sulfuric acid is 1: (0.05-0.2): (4-10); The precursor is subjected to plasma modification treatment and dried to obtain modified barite powder.

9. The polymer raised floor substrate with the function of releasing negative ions according to claim 8, characterized in that: The voltage of the plasma modification treatment is 220V, the power is 400-600W, and the time is 5-12 minutes.

10. The method for preparing a polymer raised floor substrate capable of releasing negative ions according to any one of claims 1 to 9, characterized in that: The following steps are involved: The raw materials are mixed evenly according to a proportion to obtain a polymer raised floor substrate with the function of releasing negative ions.

Images