Stone-imitating self-leveling paint and preparation process

Abstract

The application relates to the technical field of epoxy color sand self-leveling paint, and discloses a stone-like self-leveling paint and a preparation process, which comprises the following steps: preparing a double-functional rigid-flexible structured diluent, the double-functional rigid-flexible structured diluent is double-functional rigid-flexible structured diluent X-I or double-functional rigid-flexible structured diluent X-II; taking bisphenol A glycidyl ether type epoxy resin as a base material, color quartz sand as an aggregate, the double-functional rigid-flexible structured diluent as a dilution component, and adding fillers and curing components to prepare the stone-like self-leveling paint; the stone-like self-leveling paint has excellent mechanical properties, water resistance and corrosion resistance while meeting the self-leveling characteristics, and is especially suitable for being applied in the scene with the requirements of wear resistance and corrosion resistance on the ground.

Description

Technical Field

[0001] This invention relates to the field of epoxy colored sand self-leveling paint technology, specifically to a stone-like self-leveling paint and its preparation process. Background Technology

[0002] Epoxy colored sand self-leveling paint is not a traditional imitation stone paint, but it has the effect of imitating stone. It uses epoxy resin as a base material and adds aggregates such as colored quartz sand or glass sand. It is applied through a self-leveling process to form a seamless, high-strength, and highly decorative floor coating.

[0003] To achieve good leveling properties and colored sand suspension, the overall viscosity of the epoxy resin system should be maintained between 1000-3000 mPa·s. However, the viscosity of the epoxy resin main agent is actually quite high, generally above 8000 mPa·s. Therefore, in epoxy colored sand self-leveling paint, the epoxy resin main agent must be modified to reduce viscosity, so that the epoxy resin system has low viscosity characteristics to ensure uniform suspension of colored sand and meet the construction requirements of the self-leveling process.

[0004] Research has found that epoxy colored sand self-leveling paint is a solvent-free system, and the viscosity of the epoxy resin main component can be reduced by using reactive diluents. The types of reactive diluents include monofunctional diluents (specific products include n-butyl glycidyl ether). Its dosage range is 5-15%), and it contains bifunctional groups (specific products include 1,4-butanediol diglycidyl ether). Its dosage range is 10-20%) and multifunctional groups (specific products include trimethylolpropane triglycidyl ether). (The dosage range is 5-10%).

[0005] In the aforementioned low molecular weight aliphatic epoxy compounds, monofunctional diluents reduce the crosslinking density of the cured product, while difunctional and multifunctional diluents dilute the proportion of rigid structures in the cured product. Both of these effects will affect the mechanical properties of the epoxy colored sand self-leveling coating film. Summary of the Invention

[0006] This invention develops a novel bifunctional diluent with both rigid and flexible structures through molecular design. The rigid structure overcomes the shortcomings of the rigid structure ratio in low molecular weight aliphatic epoxy compounds diluted with curing agents, while the flexible structure reduces the viscosity of epoxy resin main agent, improves the leveling properties during construction, and also has a toughening effect.

[0007] A stone-like self-leveling paint comprises the following raw materials in parts by weight:

[0008] 45-55 parts of bisphenol A glycidyl ether type epoxy resin;

[0009] 5-15 parts of bifunctional rigid-flexible structured diluent;

[0010] 10-15 parts of filler;

[0011] 5-15 parts aggregate;

[0012] 15-20 parts hardener;

[0013] 0.1-0.5 parts curing accelerator;

[0014] The bifunctional rigid-flexible structured diluent is prepared by first reacting a nucleophilic substitution reaction between a monomer providing a flexible structure, 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane or a terminal chloromethylhexasiloxane, and a monomer providing a rigid structure, and then subjecting the cyclohexene group to epoxidation.

[0015] Among them, the bifunctional rigid-flexible structured diluent is either bifunctional rigid-flexible structured diluent X-Ⅰ or bifunctional rigid-flexible structured diluent X-Ⅱ.

[0016] Preferably, the filler is one or a combination of kaolin, talc, calcium carbonate, and barium sulfate.

[0017] Preferably, the aggregate is colored quartz sand or glass sand.

[0018] A preparation process for a stone-like self-leveling paint includes the following steps:

[0019] Step 1: According to the formula of the stone-like self-leveling paint, first mix the bisphenol A glycidyl ether type epoxy resin and the bifunctional rigid-flexible structured diluent, then add the filler and aggregate, stir evenly, and obtain the epoxy resin composition.

[0020] Step 2: According to the formula of the stone-like self-leveling paint, mix the curing agent and curing accelerator evenly to obtain the curing agent composition;

[0021] Step 3: Add the curing agent composition to the epoxy resin composition and stir evenly to obtain the stone-like self-leveling paint.

[0022] Preferably, the preparation method of the bifunctional rigid-flexible structured diluent X-I is as follows:

[0023] Under the action of a phase transfer catalyst, the chlorine functional group of 1 molar equivalent of 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane undergoes a nucleophilic substitution reaction with the hydroxyl functional group of 2.01-2.09 molar equivalents of 3-cyclohexene-1-methanol to generate a terminal cyclohexenyldisiloxane monomer.

[0024] Under the oxidizing action of organic peroxy acids, the cyclohexene functional group in the terminal cyclohexene disiloxane monomer undergoes an epoxidation reaction to generate a bifunctional rigid-flexible structured diluent X-I.

[0025] Preferably, the preparation method of the bifunctional rigid-flexible structured diluent X-II is as follows:

[0026] Under the action of a phase transfer catalyst, the chlorine functional group of 1 molar equivalent of 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane undergoes a nucleophilic substitution reaction with the hydroxyl functional group of 2.01-2.09 molar equivalents of 3-buten-1-ol to generate a terminal alkenyldisiloxane monomer.

[0027] Based on the silanol condensation reaction mechanism, a hydrogen-containing chloromethylsiloxane monomer is generated by the condensation reaction of 1 molar equivalent of the hydrolysis product of chloromethylethoxydimethylsilane and 1.01-1.09 molar equivalent of the hydrolysis product of dimethylethoxysilane.

[0028] A chloromethylhexasiloxane monomer is generated by an addition reaction between the alkenyl functional group of a 1 molar equivalent terminal alkenyl disiloxane monomer and the Si-H functional group of a 2.01-2.09 molar equivalent hydrogen-containing chloromethylsiloxane monomer.

[0029] Under the action of a phase transfer catalyst, a nucleophilic substitution reaction occurs between the chlorine functional group of a 1 molar equivalent terminal chloromethyl hexasiloxane monomer and the hydroxyl functional group of a 2.01-2.09 molar equivalent 3-cyclohexene-1-methanol monomer to generate a terminal cyclohexene hexasiloxane monomer.

[0030] Under the oxidizing action of organic peroxy acids, the cyclohexene functional group of the terminal cyclohexene hexasiloxane monomer undergoes an epoxidation reaction to generate a bifunctional rigid-flexible structured diluent X-II.

[0031] Preferably, the phase transfer catalyst is one of tetrabutylammonium bromide, tetrabutylammonium hydrogen sulfate, and benzyltriethylammonium chloride.

[0032] Preferably, the organic peroxyacid is one of peracetic acid, peroxybenzoic acid, and m-chloroperoxybenzoic acid. Beneficial effects

[0033] This invention involves a nucleophilic substitution reaction between a terminal chloromethylsiloxane monomer (1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane or a terminal chloromethylhexasiloxane monomer) providing a flexible structure and a 3-cyclohexene-1-methanol providing a rigid structure, followed by epoxidation of the cyclohexene group to obtain a bifunctional rigid-flexible structured diluent linked by flexible ether bonds.

[0034] By using a bifunctional rigid-flexible structured diluent linked by flexible ether bonds to modify the viscosity of epoxy resin base material, the resulting epoxy colored sand self-leveling paint (also known as imitation stone self-leveling paint) meets the technical requirements for self-leveling properties specified in industry standards. Compared with traditional reactive diluents, it achieves significant improvements in mechanical properties while also enhancing weather resistance (mainly water resistance and corrosion resistance), making it particularly suitable for applications in scenarios where wear and corrosion resistance of the ground is required. Detailed Implementation

[0035] This invention designs and synthesizes two bifunctional rigid-flexible structured diluents containing flexible siloxane chains, flexible ether chains, and six-membered rigid alicyclic rings. Firstly, their structures include bi-epoxy groups and flexible structures, which, when used with epoxy resins, can reduce system viscosity and improve flowability without causing a decrease in the crosslinking density of the cured epoxy resin, thus ensuring mechanical properties. Secondly, their structures contain low surface energy siloxane structures, which, when participating in the curing reaction of epoxy resins, can become part of the crosslinking network structure of the cured epoxy resin, significantly enhancing water resistance and corrosion resistance. Thirdly, the rigid alicyclic structure in their structures ensures the proportion of rigid structures in the cured epoxy resin network.

[0036] A stone-like self-leveling paint was prepared by using bisphenol A glycidyl ether type epoxy resin as the base material, colored quartz sand as the aggregate, a bifunctional rigid-flexible structured diluent as the diluent component, and adding fillers and curing components. Example 1:

[0037] The synthesis process of the bifunctional rigid-flexible structured diluent X-Ⅰ is as follows:

[0038] Process 1: Under the action of a phase transfer catalyst, the chlorine functional group of 1 molar equivalent of 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane undergoes a nucleophilic substitution reaction with the hydroxyl functional group of 2.07 molar equivalents of 3-cyclohexene-1-methanol to generate a terminal cyclohexenyldisiloxane monomer, the chemical structural formula of which is:

[0039] ;

[0040] The phase transfer catalyst can be selected from one of tetrabutylammonium bromide, tetrabutylammonium hydrogen sulfate, and benzyltriethylammonium chloride; in this embodiment, tetrabutylammonium hydrogen sulfate is selected.

[0041] Process 2: Under the oxidative action of organic peroxyacids, the cyclohexene functional group in the terminal cyclohexene disiloxane monomer undergoes an epoxidation reaction to generate a bifunctional rigid-flexible structured diluent X-I, whose chemical structural formula is as follows:

[0042] ;

[0043] The organic peroxy acid can be selected from peracetic acid, peroxybenzoic acid, and m-chloroperoxybenzoic acid; in this embodiment, m-chloroperoxybenzoic acid is selected.

[0044] The specific experimental steps for preparing the bifunctional rigid-flexible structured diluent X-Ⅰ are as follows:

[0045] 2.3 g of 3-cyclohexene-1-methanol, 5 mL of sodium hydroxide aqueous solution (10 wt%) and 20 mL of tetrahydrofuran were added to a three-necked flask and stirred at room temperature for 30 min. Then, 20 mL of tetrahydrofuran solution containing 2.3 g of 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane and 10 mL of tetrabutylammonium bisulfate solution (prepared from 1.1 g of tetrabutylammonium bisulfate and 10 mL of tetrahydrofuran) were added to the three-necked flask in sequence. The mixture was heated to 70 °C and stirred under reflux for 4 h. After cooling to room temperature, the mixture was rotary evaporated under reduced pressure, washed with ethanol, and dried to obtain the terminal cyclohexene-1-siloxane monomer.

[0046] 1.9 g of terminal cyclohexenyl disiloxane monomer and 20 mL of chloroform were added to a three-necked flask and stirred at room temperature until completely dissolved. Then, 20 mL of m-chloroperoxybenzoic acid solution (prepared from 1.5 g of m-chloroperoxybenzoic acid and 20 mL of chloroform) was added dropwise to the three-necked flask. The mixture was heated to 55 °C and stirred for 12 h. After cooling to room temperature, the mixture was washed successively with saturated sodium bicarbonate aqueous solution and deionized water. The solvent was removed by rotary evaporation and dried to obtain the bifunctional rigid-flexible structured diluent X-I.

[0047] The proton NMR spectrum of the bifunctional rigid-flexible structured diluent X-I is as follows: 1 H NMR (CDCl3, 400MHz) δ: 0.09 (s, 12H), 1.21 (s, 4H), 1.65-2.09 (m, 14H), 3.40-3.42 (d, 4H), 3.48-3.54 (m, 4H). Example 2:

[0048] The synthesis process of the bifunctional rigid-flexible structured diluent X-II is as follows:

[0049] Process 1: Under the action of a phase transfer catalyst, the chlorine functional group of 1 molar equivalent of 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane undergoes a nucleophilic substitution reaction with the hydroxyl functional group of 2.05 molar equivalent of 3-buten-1-ol to generate a terminal alkenyldisiloxane monomer, the chemical structural formula of which is:

[0050] ;

[0051] Process 2: Based on the silanol condensation reaction mechanism, a condensation reaction occurs between the hydrolysis products of 1 molar equivalent of chloromethylethoxydimethylsilane and 1.06 molar equivalent of dimethylethoxysilane to generate a hydrogen-containing chloromethylsiloxane monomer, the chemical structural formula of which is:

[0052] ;

[0053] Step 3: An addition reaction occurs between the alkenyl functional group of a 1 molar equivalent terminal alkenyl disiloxane monomer and the Si-H functional group of a 2.03 molar equivalent hydrogen-containing chloromethylsiloxane monomer to generate a terminal chloromethyl hexasiloxane monomer with the following chemical structure:

[0054] ;

[0055] Process 4: Under the action of a phase transfer catalyst, a nucleophilic substitution reaction occurs between the chlorine functional group of a 1 molar equivalent terminal chloromethyl hexasiloxane monomer and the hydroxyl functional group of a 2.07 molar equivalent 3-cyclohexene-1-methanol monomer to generate a terminal cyclohexenyl hexasiloxane monomer with the following chemical structure:

[0056] ;

[0057] Process 5: Under the oxidation of organic peroxyacids, the cyclohexene functional group of the terminal cyclohexenyl hexasiloxane monomer undergoes an epoxidation reaction to generate a bifunctional rigid-flexible structured diluent X-II, whose chemical structural formula is:

[0058] ;

[0059] The phase transfer catalyst can be selected from one of tetrabutylammonium bromide, tetrabutylammonium hydrogen sulfate, and benzyltriethylammonium chloride; in this embodiment, tetrabutylammonium hydrogen sulfate is selected.

[0060] The organic peroxyacid can be selected from peracetic acid, peroxybenzoic acid, and m-chloroperoxybenzoic acid; in this embodiment, m-chloroperoxybenzoic acid is selected.

[0061] The specific experimental steps for preparing the bifunctional rigid-flexible structured diluent X-II are as follows:

[0062] 4.4 g of 3-buten-1-ol, 10 mL of 10 wt% sodium hydroxide aqueous solution and 30 mL of tetrahydrofuran were added to a three-necked flask and stirred at room temperature for 30 min. Then, 60 mL of 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane solution (prepared from 6.9 g of 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane and 60 mL of tetrahydrofuran) and 10 mL of tetrabutylammonium hydrogen sulfate solution (prepared from 1.1 g of tetrabutylammonium hydrogen sulfate and 10 mL of tetrahydrofuran) were added to the three-necked flask in sequence. The mixture was heated to 70 °C and stirred under reflux for 4 h. After cooling to room temperature, the solvent was removed by rotary evaporation. The mixture was washed with ethanol and dried to obtain the terminal alkenyldisiloxane monomer.

[0063] 6.0 g of chloromethylethoxydimethylsilane, 30 mL of anhydrous tetrahydrofuran, and 20 mL of deionized water were added to a three-necked flask and stirred at room temperature for 30 min. Then, 30 mL of dimethylethoxysilane solution (prepared from 4.1 g of dimethylethoxysilane, 20 mL of anhydrous tetrahydrofuran, and 10 mL of deionized water) and 5.5 mL of glacial acetic acid were added to the three-necked flask in sequence. The mixture was heated to 60 °C and stirred for 10 h. After cooling to room temperature, the solvent was removed by rotary evaporation and dried to obtain the hydrogen-containing chloromethylsiloxane monomer.

[0064] Under nitrogen protection, 6.0 g of terminal alkenyl disiloxane monomer and 60 mL of tetrahydrofuran were added to a three-necked flask and stirred at room temperature until completely dissolved. Then, 70 mL of hydrogen-containing chloromethylsiloxane monomer solution (prepared from 7.4 g of hydrogen-containing chloromethylsiloxane monomer and 70 mL of tetrahydrofuran) and 5 drops of caster catalyst were added to the three-necked flask. The mixture was heated to 70 °C and refluxed for 5 h. After cooling to room temperature, the solvent was removed by rotary evaporation and dried to obtain terminal chloromethyl hexasiloxane monomer.

[0065] The proton NMR spectrum of the terminal chloromethylhexasiloxane monomer is as follows: 1 H NMR (CDCl3, 400MHz) δ: 0.06 (s, 12H), 0.10 (s, 12H), 0.20 (s, 12H), 0.99-1.04 (t, 4H), 1.29 (s, 4 H), 1.71-1.79 (m, 4H), 2.04 (s, 4H), 2.72-2.81 (m, 4H), 3.52-3.55 (t, 4H);

[0066] 2.3 g of 3-cyclohexene-1-methanol, 5 mL of 10 wt% sodium hydroxide aqueous solution and 20 mL of tetrahydrofuran were added to a three-necked flask and stirred at room temperature for 30 min. Then, 50 mL of terminal chloromethyl hexasiloxane monomer solution (prepared from 6.7 g of terminal chloromethyl hexasiloxane monomer and 50 mL of tetrahydrofuran) and 15 mL of tetrabutylammonium hydrogen sulfate solution (prepared from 1.5 g of tetrabutylammonium hydrogen sulfate and 15 mL of tetrahydrofuran) were added to the three-necked flask in sequence. The mixture was heated to 70 °C and stirred under reflux for 5 h. After cooling to room temperature, the solvent was removed by rotary evaporation. The mixture was washed with ethanol and dried to obtain terminal cyclohexene-1-siloxane monomer.

[0067] 4.1 g of terminal cyclohexenyl hexasiloxane monomer and 40 mL of chloroform were added to a three-necked flask and stirred at room temperature until completely dissolved. Then, 20 mL of m-chloroperoxybenzoic acid solution (prepared from 1.8 g of m-chloroperoxybenzoic acid and 20 mL of chloroform) was added dropwise to the three-necked flask. The mixture was heated to 55 °C and stirred for 16 h. After cooling to room temperature, the mixture was washed successively with saturated sodium bicarbonate aqueous solution and deionized water. The solvent was removed by rotary evaporation and dried to obtain the bifunctional rigid-flexible structured diluent X-II.

[0068] The proton NMR spectrum of the bifunctional rigid-flexible structured diluent X-II is as follows: 1 H NMR (CDCl3, 400MHz) δ: 0.04 (s, 12H), 0.07 (s, 12H), 0.11 (s, 12H), 0.90-0.94 (t, 4H), 1.25 (s, 4H), 1.29 ( s, 4H), 1.67-2.01 (m, 18H), 2.72-2.81 (m, 4H), 3.33-3.34 (d, 4H), 3.49-3.52 (t, 4H), 3.57-3.65 (m, 4H). Example 3:

[0069] A stone-like self-leveling paint is composed of a base material, a thinner, a filler, an aggregate, and a curing component. The specific formula is shown in Table 1 below:

[0070] Table 1. Specific Formula of Imitation Stone Self-Leveling Paint

[0071]

[0072] Among them, the bifunctional rigid-flexible structured diluent is either bifunctional rigid-flexible structured diluent X-Ⅰ or X-Ⅱ. Example 4:

[0073] A preparation process for a stone-like self-leveling paint includes the following steps:

[0074] Step 1: According to the formula of the stone-like self-leveling paint, mix the bisphenol A glycidyl ether type epoxy resin and the bifunctional rigid-flexible structured diluent in the formula amount, stir at 600 r / min for 10 min, then add the formula amount of talc powder, calcium carbonate and quartz sand in sequence, increase the speed to 1500 r / min and stir and disperse for 30 min, grind and disperse using a sand mill for 1 h, reduce the speed to 300 r / min and defoam at low speed for 30 min, filter through 100 mesh gauze, stir evenly to obtain epoxy resin composition;

[0075] Step 2: According to the formula of the imitation stone self-leveling paint, mix the curing agent and curing accelerator in the specified amounts evenly to obtain the curing agent composition;

[0076] Step 3: Add the curing agent composition to the epoxy resin composition and stir evenly to obtain the stone-like self-leveling paint;

[0077] Among them, when the bifunctional rigid-flexible structured diluent is diluent X-Ⅰ, the prepared product is denoted as stone-like self-leveling paint Ⅰ;

[0078] When the difunctional rigid-flexible structured diluent is diluent X-II, the prepared product is denoted as stone-like self-leveling paint II.

[0079] Comparative Example 1:

[0080] The stone-like paint a is prepared, and its only difference from the stone-like self-leveling paint I is that the conventional monofunctional epoxy reactive diluent (n-butyl glycidyl ether) is used instead of the difunctional rigid-flexible structured diluent X-I.

[0081] Comparative Example 2:

[0082] The stone-like paint b is prepared, and its only difference from the stone-like self-leveling paint I is that the bifunctional rigid-flexible structured diluent X-I is replaced with a conventional bifunctional aliphatic epoxy reactive diluent (1,4-butanediol diglycidyl ether).

[0083] Comparative Example 3:

[0084] The stone-like paint c is prepared, and its only difference from the stone-like self-leveling paint I is that it does not use the bifunctional rigid-flexible structured diluent X-I.

[0085] Performance testing:

[0086] I. Leveling performance test of imitation stone self-leveling paint products:

[0087] (1) Flowability test: Place the flowability test mold (a hollow metal cylinder with an inner diameter of 30 mm and a height of 50 mm) horizontally in the center of the glass test plate. The surface of the test plate should be flat, smooth, and free of water droplets. Fill the flowability test mold with the sample and start timing. At 2 seconds, lift it vertically upward by 10 cm. Hold it at this height for 10 seconds to allow the sample to flow freely. After 4 minutes, record the diameters in two vertical directions and take the average of the two diameters. The flowability is characterized by the diameter size.

[0088] (2) Leveling grade test: The leveling grade of the sample was tested according to JB / T 3998-1999 standard, and the appearance of the paint film was observed after curing at room temperature;

[0089] The performance test results are shown in Table 2.

[0090] Table 2 Performance Test Results of Imitation Stone Self-Leveling Paint

[0091]

[0092] Apply the stone-like self-leveling paint to the surface of the calcium silicate board using a 2mm trowel, ensuring the surface density is controlled at 1.0 kg / m². 2 After curing at room temperature, a stone-like self-leveling paint film is formed. Performance tests are conducted, and the results are shown in Table 3.

[0093] Table 3 Performance Test Results of Imitation Stone Self-Leveling Paint (Part 2)

[0094]

[0095] By comprehensively analyzing the performance test results in Tables 2 and 3, the following conclusions can be drawn:

[0096] Conclusion 1: Based on national industry standards and user requirements: when the flowability is ≥140mm, the coating is considered to have self-leveling properties.

[0097] Accordingly, the stone-like paint products prepared by this invention all meet the technical requirements for self-leveling properties specified in industry standards.

[0098] Conclusion 2: The stone-like self-leveling paint product prepared by the present invention using the independently developed bifunctional rigid-flexible structured diluent has achieved significant improvements in mechanical properties (hardness and wear resistance), water resistance and corrosion resistance compared with epoxy paint using conventional epoxy reactive diluents.

[0099] Among them, the stone-like self-leveling paint II prepared using the bifunctional rigid-flexible structured diluent X-II has better water resistance.

Claims

1. A stone-like self-leveling paint, characterized in that, The ingredients include the following parts by weight: 45-55 parts of bisphenol A glycidyl ether type epoxy resin; 5-15 parts of bifunctional rigid-flexible structured diluent; 10-15 parts of filler; 5-15 parts aggregate; 15-20 parts hardener; 0.1-0.5 parts curing accelerator; The bifunctional rigid-flexible structured diluent is prepared by first reacting a nucleophilic substitution reaction between a monomer providing a flexible structure, 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane or a terminal chloromethylhexasiloxane, and a monomer providing a rigid structure, and then subjecting the cyclohexene group to epoxidation. The difunctional rigid-flexible structured diluent is either difunctional rigid-flexible structured diluent X-Ⅰ or X-Ⅱ. The chemical structural formula of the diluent X-Ⅰ is: ； The chemical structural formula of the diluent X-II is: 。 2. The stone-like self-leveling paint according to claim 1, characterized in that, The filler is one or a combination of kaolin, talc, calcium carbonate, and barium sulfate.

3. The stone-like self-leveling paint according to claim 1, characterized in that, The aggregate is colored quartz sand or glass sand.

4. The preparation process of the stone-like self-leveling paint according to claim 1, characterized in that, Includes the following steps: Step 1: According to the formula of the stone-like self-leveling paint, first mix the bisphenol A glycidyl ether type epoxy resin and the bifunctional rigid-flexible structured diluent, then add the filler and aggregate, stir evenly, and obtain the epoxy resin composition. Step 2: According to the formula of the stone-like self-leveling paint, mix the curing agent and curing accelerator evenly to obtain the curing agent composition; Step 3: Add the curing agent composition to the epoxy resin composition and stir evenly to obtain the stone-like self-leveling paint.

5. The preparation process of the stone-like self-leveling paint according to claim 4, characterized in that, The bifunctional rigid-flexible structured diluent is bifunctional rigid-flexible structured diluent X-Ⅰ, and its preparation method is as follows: Under the action of a phase transfer catalyst, the chlorine functional group of 1 molar equivalent of 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane undergoes a nucleophilic substitution reaction with the hydroxyl functional group of 2.01-2.09 molar equivalents of 3-cyclohexene-1-methanol to generate a terminal cyclohexenyldisiloxane monomer. Under the oxidizing action of organic peroxy acids, the cyclohexene functional group in the terminal cyclohexene disiloxane monomer undergoes an epoxidation reaction to generate a bifunctional rigid-flexible structured diluent X-I.

6. The preparation process of the stone-like self-leveling paint according to claim 4, characterized in that, The bifunctional rigid-flexible structured diluent is bifunctional rigid-flexible structured diluent X-II, and its preparation method is as follows: Under the action of a phase transfer catalyst, the chlorine functional group of 1 molar equivalent of 1,3-di(chloromethyl)-1,1,3,3-tetramethyldisiloxane undergoes a nucleophilic substitution reaction with the hydroxyl functional group of 2.01-2.09 molar equivalents of 3-buten-1-ol to generate a terminal alkenyldisiloxane monomer. Based on the silanol condensation reaction mechanism, a hydrogen-containing chloromethylsiloxane monomer is generated by the condensation reaction of 1 molar equivalent of the hydrolysis product of chloromethylethoxydimethylsilane and 1.01-1.09 molar equivalent of the hydrolysis product of dimethylethoxysilane. A chloromethylhexasiloxane monomer is generated by an addition reaction between the alkenyl functional group of a 1 molar equivalent terminal alkenyl disiloxane monomer and the Si-H functional group of a 2.01-2.09 molar equivalent hydrogen-containing chloromethylsiloxane monomer. Under the action of a phase transfer catalyst, a nucleophilic substitution reaction occurs between the chlorine functional group of a 1 molar equivalent terminal chloromethyl hexasiloxane monomer and the hydroxyl functional group of a 2.01-2.09 molar equivalent 3-cyclohexene-1-methanol monomer to generate a terminal cyclohexene hexasiloxane monomer. Under the oxidizing action of organic peroxy acids, the cyclohexene functional group of the terminal cyclohexene hexasiloxane monomer undergoes an epoxidation reaction to generate a bifunctional rigid-flexible structured diluent X-II.

7. The preparation process of a stone-like self-leveling paint according to claim 5 or 6, characterized in that, The phase transfer catalyst is one of tetrabutylammonium bromide, tetrabutylammonium hydrogen sulfate, and benzyltriethylammonium chloride.

8. The preparation process of a stone-like self-leveling paint according to claim 5 or 6, characterized in that, The organic peroxyacid is one of peracetic acid, peroxybenzoic acid, and m-chloroperoxybenzoic acid.

9. The application of a stone-like self-leveling paint according to any one of claims 1-3, characterized in that, The application of the stone-like self-leveling paint in scenarios where the ground surface requires wear resistance and corrosion resistance.

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