CN114292060B - A kind of superhydrophobic soft porcelain flexible veneer material and preparation method thereof - Google Patents

Abstract

The invention discloses a super-hydrophobic soft porcelain flexible facing material and a preparation method thereof, wherein the method comprises the steps of 1, preparing a composition of carbon black and a coupling agent; 2. adding the composition of the carbon black and the coupling agent, the film forming agent and the coupling agent in the step 1 into the silicone-acrylic emulsion to prepare a mixed emulsion; 3. preparing the rest materials to obtain mixed powder; 4. adding the mixed emulsion obtained in the step 2 into the mixed powder obtained in the step 3, and simultaneously adding water to prepare slurry; 5. and (3) feeding the mould injected with the slurry into a microwave heating curing line for curing, wherein the microwave heating is multi-section microwave curing. The prepared soft porcelain flexible facing material has excellent hydrophobic property and good mechanical property.

Description

A kind of superhydrophobic soft porcelain flexible veneer material and preparation method thereof

technical field

The application relates to a building material, in particular to a green and environment-friendly building material, more specifically to a super-hydrophobic soft porcelain veneer brick and a preparation method thereof.

Background technique

Among the building materials, decorative bricks are an important branch, which can be widely used in wall facades and interior walls to decorate buildings. Common ones include imitation stone, imitation brick and so on. Soft porcelain facing brick is a new type of facing material, the preparation method is simple, the process is environmentally friendly, and it has strong machinability. It has a huge demand in the field of flexible facing materials, and flexible soft porcelain facing brick can greatly improve the appearance and quality of buildings. grade. However, because it is obtained by forming and processing water-based polymer emulsion and inorganic substances such as cement, soil, quartz sand or mineral powder, the system of soft porcelain facing tiles is complicated, and there are tiny gaps on the surface of facing tiles, and moisture can easily enter the interior of the brick body. , resulting in a osmotic display.

Since most of the decorative bricks are used on the facade of the wall, they are easy to come into contact with moisture. However, due to its high polarity, when the moisture penetrates into the flexible decorative brick material, it is easy to peel off and replace the organic and inorganic substances, resulting in flexible decorative bricks. The mechanical properties of facing bricks are reduced, and at the same time, it affects the quality and service life of soft porcelain flexible facing bricks.

There is not too much research in the prior art on the adverse effect of water on flexible facing tiles during use, and there are few disclosures on how to obtain good hydrophobic performance of soft porcelain facing tiles. In the prior art, the invention patent application with the publication number CN110790532A discloses a waterproof and aging-resistant soft ceramic tile and its preparation method. It specifically discloses that the raw materials include or consist of the following components in parts by weight: inorganic powder 70-80 parts of material; 10-20 parts of adhesive; 1-5 parts of rubber powder; 1-3 parts of reinforcing fiber; 0.1-1 part of surfactant; 30-35 parts of water. The organic system is composed of adhesive and rubber powder, so that the water resistance and durability of the prepared soft tiles are significantly enhanced. For this scheme, the rubber powder is mainly the waste tire rubber powder used as raw materials for soft tiles. The rubber powder and adhesive are hydrophobic organic materials, which are firmly combined to form a connecting material and a water-blocking layer to improve the waterproofing of soft tiles. sex and resilience. However, for this solution, the rubber powder is granular, and this kind of colloidal dispersibility is high. Only when the dispersion is better can the facing brick be endowed with certain hydrophobicity, and when the rubber powder is added, the flexibility will increase. The mechanical properties of facing bricks will be significantly reduced, and it is difficult to have both hydrophobicity and mechanical strength.

The prior art publication number is CN108275961A, which discloses a method for making soft ceramic tiles, and discloses a method for preparing soft porcelain. Specifically a, mechanically pulverize soil and porcelain ballast into powder; 20-25 parts of soil, 9-12 parts of porcelain ballast, 12-16 parts of calcium silicate, 10-13 parts of stone powder, 15-20 parts of white sand, 3-6 parts of inorganic toner, 2-5 parts of waterproofing agent, poly Mix 1-3 parts of propylene short fiber and 0.5-1.5 parts of antioxidant; c, add 30-40 parts of water to the raw materials mixed in step b, and stir and mix them with a mixer until the raw materials are evenly mixed; d, mix the raw materials in step c Inject the mixed raw materials in the mold for extrusion, and then send them into the drying room to obtain the initial soft porcelain; e, cool the initial soft porcelain in step d, and naturally cure for 8-12 days. In this process formula, 2-5 waterproofing agents are added. In our field, waterproofing agents are generally organosilane compounds or fluorine-containing compounds. The addition of such substances will disturb the raw material system of soft porcelain, and cannot obtain Better hydrophobic effect will also affect the quality of soft porcelain products.

In order to solve the problem that soft porcelain is difficult to have both hydrophobicity and quality in the prior art, the present invention creatively provides a soft porcelain facing brick, which has good hydrophobicity and good mechanical properties.

Contents of the invention

The present disclosure aims at the problem of soft porcelain materials in the prior art, especially the lack of hydrophobicity of soft porcelain facing materials, and provides a soft porcelain facing tile with excellent hydrophobicity and a preparation method thereof. The soft porcelain material prepared by the method has good mechanical properties.

One of the concepts of the present disclosure is to provide a flexible veneer material for soft porcelain. The raw material formula of the veneer material ensures the system stability of traditional soft porcelain materials and reduces the impact of hydrophobic substances, such as waterproofing agents and organic colloidal particles on the soft porcelain raw material system. The effect of increasing the mechanical properties of soft porcelain.

Another idea of the present disclosure is to provide a soft ceramic flexible veneer material, the surface of the flexible veneer material has a fine nano-layer, the nano-layer is rough, and the lotus leaf effect of the nano-layer is used to endow the soft porcelain material with excellent hydrophobicity ;

Another idea of the present disclosure is to provide a soft ceramic flexible veneer material, the flexible veneer brick has nano-carbon material, and the nano-material is used to improve the electrical conductivity of the flexible veneer material and assist the formation of fine nano-film layers.

Another idea of the present disclosure is to provide a soft ceramic flexible veneer material. The ratio of raw materials for the flexible veneer material is reasonable, and a film-forming agent is added to the flexible veneer material. The film-forming agent can Form a comprehensive or partial film on the surface of the soft porcelain material.

Another idea of the present disclosure is to provide a method for preparing a soft ceramic flexible veneer material, in which microwave heating is used for curing and molding during the preparation process, which improves the curing efficiency.

Another idea of the present disclosure is to provide a method for preparing soft porcelain flexible facing materials. During the curing of soft porcelain flexible facing tiles, multi-stage microwave heating is used to change the surface properties of soft porcelain materials and improve the flexibility of soft porcelain. Hydrophobicity of facing materials.

Another idea of the present disclosure is to provide a method for preparing soft porcelain flexible veneer materials, using the electrodeless carbon material added to the soft porcelain raw materials as a wave-absorbing material, so that there is a local high temperature inside the flexible veneer material, which can Accelerate curing, another can promote the surface film-forming agent to form a film, and obtain a micro-nano structure film layer, and improve the hydrophobicity of the soft porcelain material.

Specifically, the present application discloses a flexible porcelain veneer material. The raw materials of the soft porcelain flexible veneer material include 20-30 parts of silicon acrylic emulsion, 1-3 parts of inorganic pigment, 5-30 parts of cement, quartz 25-35 parts of sand, 1-3 parts of coupling agent, 2-5 parts of film-forming agent, 1-3 parts of carbon black, and 2-15 parts of water.

Specifically, the silicon-acrylic emulsion has a high glass transition temperature to meet the mechanical properties of the material. In the raw material, the silicon-acrylic emulsion blends inorganic materials and organic materials. After curing, the silicon-acrylic emulsion fixes the electrodeless materials to obtain a decorative material with certain toughness and flexibility. surface material.

The coupling agent is silane coupling agent KH550, or silane coupling agent KH560;

Further, the present disclosure adds a coupling agent to the raw material, and the coupling agent can improve the interface effect between the silicone-acrylic emulsion and the inorganic material, so that each component in the raw material is dispersed evenly, especially for flexible decorative tiles colored by the raw material , which can ensure uniform color of the final flexible facing brick.

Further, the inorganic pigments are obtained by blending one color or multiple colors, and the desired color can be selected according to actual needs.

Further, the present invention selects a small amount of carbon black as a raw material, and carbon black can be used as a wave absorbing agent, which can quickly absorb microwaves and locally generate high temperature to promote the polymerization and curing of the silicone-acrylic emulsion.

Furthermore, the coupling agent and carbon black are mixed first, so that the carbon black can be evenly distributed in the silicone-acrylic emulsion, and during the curing process, it is used to ensure uniform curing of the soft porcelain material.

Further, the present disclosure adds a film-forming agent to the raw materials, and the film-forming agent is an organic resin, including one of acrylic resin, epoxy resin, alkyd resin, polyurethane resin, silicone resin and organic fluorine resin or several.

Preferred is one or both of acrylic resins, silicone resins and organic fluorine resins.

The film-forming agent of the present disclosure can form a certain whole or partial thin film on the surface of soft porcelain when the flexible veneer material of soft porcelain is solidified, so as to achieve the effect of waterproofing.

In some embodiments, the present disclosure also provides a method for preparing a superhydrophobic soft porcelain flexible veneer material, comprising the following steps:

1. Blending the coupling agent and carbon black to obtain a composition of carbon black and coupling agent;

2. Add the composition of carbon black and coupling agent in step 1 into the silicon-acrylic emulsion, add film-forming agent, inorganic pigment, and the remainder of the coupling agent at the same time, and stir evenly to obtain a mixed emulsion.

3. Weigh the cement and quartz sand by weight, add them to the kneader, and mix them evenly to obtain the mixed powder;

4. Add the mixed emulsion in step 2 to the mixed powder in step 3, add water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold.

5. The mold injected with the slurry is sent to a microwave heating and curing line for curing, and the microwave heating is multi-stage microwave curing.

Wherein, the mass ratio of the coupling agent to the carbon black in the step 1 is 1:2-3.

In this disclosure, the carbon black is firstly mixed with a coupling agent, and the carbon black is modified to ensure that the carbon black has an organic component on the surface, and when the carbon black is added to the raw material, the uniform distribution of the carbon black can be ensured , which is beneficial to ensure that the inside of the merged emulsion is heated evenly during the subsequent microwave heating process.

Further, in step 2, in order to improve the dispersibility of inorganic pigments and film-forming agents, the remaining silane coupling agent is added to the system, which helps the dispersion of inorganic pigments and film-forming agents, and improves the flexibility of soft porcelain The quality of the finishing materials.

Further, in the step 5, microwave multi-stage curing is used, and the curing temperature in the microwave curing line is 80-150°C.

Further, the microwave treatment in the microwave curing line is multi-stage microwave treatment;

The time for each microwave treatment is 10-60 seconds; preferably 10-30 seconds.

Further, the interval between each microwave treatment is 10-30 seconds, preferably 20-30 seconds.

For example, in microwave treatment, first microwave treatment for 10-60 seconds, stop for 10-30 seconds, continue microwave treatment for 10-60 seconds, stop for 10-30 seconds, and repeat the process.

Further, the number of times of microwave treatment is more than 10 times, preferably more than 15 times.

During the microwave treatment process, the carbon black in the raw material slurry can preferentially absorb microwaves and generate high temperature locally to promote the polymerization and curing of the silicone-acrylic emulsion.

On the other hand, due to the interval multi-stage microwave heating, the temperature change near the carbon black in the slurry system does not increase uniformly, but presents a fluctuating change. This fluctuating change makes the surface layer of the soft porcelain flexible veneer material A certain fine micro-nano rough structure layer is formed, and the micro-nano rough structure layer has a similar lotus leaf effect, which can make the soft porcelain flexible facing brick have excellent hydrophobic performance.

Further, there is also a film-forming agent in the slurry system. Under the condition of 80-150°C for the raw material slurry, the water in the system volatilizes rapidly and the silicone-acrylic emulsion is cured. Due to the interface effect, the film-forming agent will partially appear On the surface of soft porcelain flexible facing tiles, a water-blocking film is formed to improve the hydrophobicity of soft porcelain flexible facing tiles.

In some embodiments, the present disclosure provides a method for preparing a superhydrophobic soft porcelain flexible veneer material. In the preparation method, each component is calculated in parts by mass. Specifically, it includes the following steps:

1. Blend a certain amount of coupling agent with 1-3 parts of carbon black to obtain a composition of carbon black and coupling agent, wherein the mass ratio of coupling agent to carbon black is 1:2-3;

2. Add the composition of carbon black and coupling agent in step 1 to 20-30 parts of silicone acrylic emulsion, add 2-5 parts of film-forming agent and 1-3 parts of inorganic pigment, and the balance of coupling agent , stir evenly to obtain a mixed emulsion;

Wherein, the total amount of coupling agent in step 1 and step 2 is 1-3 parts.

3. Weigh 5-30 parts of cement and 25-35 parts of quartz sand by weight, add them to the kneader, mix evenly, and obtain mixed powder;

4. Add the mixed emulsion in step 2 to the mixed powder in step 3, add 5-10 parts of water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold;

5. Send the mold injected with the slurry into the microwave heating and curing line for curing, and the microwave heating is multi-stage microwave curing;

Wherein, the microwave treatment in the microwave curing line is multi-stage microwave treatment;

The time of each microwave treatment is 10-60 seconds; preferred 10-30 seconds;

Further, the interval of each microwave treatment is 10-30 seconds, preferably 20-30 seconds;

For example, in microwave treatment, first microwave treatment for 10-60 seconds, after stopping for 10-30 seconds, continue microwave treatment for 10-60 seconds, stop for 10-30 seconds, and reciprocate treatment;

Further, the number of times of microwave treatment is more than 10 times, preferably more than 15 times.

Compared with the prior art, the invention has the beneficial effect that the prepared soft porcelain flexible veneer material has excellent hydrophobic properties and good mechanical properties. The solution of the present disclosure is the first time to add carbon black as a wave absorbing agent to the soft porcelain flexible decorative material, and to use the microwave absorption effect of carbon black to make local differences in the temperature in the soft porcelain flexible decorative material slurry, and then to the soft ceramic flexible decorative material. The curing of porcelain and the difference in appearance form make the material have a certain lotus leaf effect and achieve hydrophobicity. Further, a film-forming agent is used in the raw materials, combined with the film-forming agent and the curing process, the soft porcelain flexible veneer material has better water-repellent and hydrophobic properties.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In this embodiment, a kind of soft ceramic flexible veneer material and its preparation method are specifically provided. The preparation method includes the pretreatment of raw materials, including a certain amount of coupling agent and 1-3 parts of carbon black. Mix, obtain the composition of carbon black and coupling agent, wherein the mass ratio of coupling agent and carbon black is 1:2-3;

Since carbon black material is a good wave absorbing agent, it can absorb microwave significantly during microwave treatment, and rapidly heat up the microenvironment around carbon black, which promotes the difference in the curing rate of silicon-acrylic emulsion in the system. Differential curing effects are formed. The cured silicone acrylic emulsion uses surface effects and other effects to further increase the difference in curing, and then shows a rough surface with micro-nano structure on the surface. Using micro-nano roughness The structure of the surface improves the hydrophobicity of the soft porcelain flexible veneer material.

In order to improve the hydrophobicity of soft ceramic flexible facing materials, one of the fundamentals is to ensure the apparent structure of the soft facing materials, and the formation of the apparent structure depends on the difference in local temperature, and the difference in local temperature is related to the absorbing agent carbon. The distribution of carbon black is related to the distribution of carbon black. In order to solve the distribution of carbon black, the solution of the present invention firstly treats the carbon black with a silane coupling agent to improve its dispersion performance in the soft porcelain raw material slurry.

In another embodiment, a soft ceramic flexible veneer material and a preparation method thereof are also provided. The preparation method includes adding a composition of carbon black and a coupling agent into a silicon-acrylic emulsion for dispersion treatment.

Based on the aforementioned analysis, it can be known that in order to obtain the lotus leaf effect, differential temperature changes are required, that is, the dispersion of the wave absorbing agent carbon black is required to be good. Only when the carbon black reaches a certain dispersion performance can a better hydrophobic effect be obtained. Therefore, In this embodiment, for the dispersibility of carbon black, the silane coupling agent is first blended with carbon black to improve the dispersibility of carbon black in the silicon-acrylic emulsion.

In another embodiment, a soft ceramic flexible veneer material and a preparation method thereof are provided, and the preparation method includes microwave treatment of a mold injected with slurry.

Microwave treatment can quickly cause the curing of the slurry and improve the curing effect.

In another embodiment, a soft porcelain flexible veneer material and its preparation method are provided, the preparation method includes sending the mold injected with the slurry into a microwave heating curing line for curing, and the microwave heating is Multi-stage microwave curing;

The purpose of multi-stage microwave curing is to use the microwave-absorbing properties of carbon black to make the temperature of the microenvironment around carbon black change differently, promote the formation of the surface structure of micro-nano structure, and improve the hydrophobicity of soft ceramic flexible veneer materials.

Specifically, the present disclosure provides embodiment 1, and the specific operations are as follows:

1. Blend 1 part of coupling agent with 2 parts of carbon black to obtain a composition of carbon black and coupling agent, wherein the mass ratio of coupling agent to carbon black is 1:2;

2. Add the composition of carbon black and coupling agent in step 1 to 25 parts of silicon-acrylic emulsion, add 3 parts of film-forming agent and 2 parts of inorganic pigment, and the balance of 2 parts of coupling agent, and stir evenly. Obtain mixed emulsion;

3. Weigh 15 parts of cement and 25 parts of quartz sand by weight, add them to the kneader, mix them evenly, and obtain the mixed powder;

4. Add the mixed emulsion in step 2 to the mixed powder in step 3, add 10 parts of water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold;

5. Send the mold injected with the slurry into the microwave heating and curing line for curing, and the microwave heating is multi-stage microwave curing;

The time of each microwave treatment described is 40 seconds;

The interval between each microwave treatment is 30 seconds;

In microwave treatment, first microwave treatment for 10-60 seconds, stop for 10-30 seconds, continue microwave treatment for 10-60 seconds, stop for 10-30 seconds, and reciprocate;

The number of microwave treatments exceeds 15 times;

The temperature of the microwave treatment stage was controlled at 90 °C.

6. After the treatment is completed, put it into an oven at 80°C for further curing.

The present disclosure provides embodiment 2, and the specific operations are as follows:

1. Blend 1 part of coupling agent with 2 parts of carbon black to obtain a composition of carbon black and coupling agent, wherein the mass ratio of coupling agent to carbon black is 1:2;

2. Add the composition of carbon black and coupling agent in step 1 to 25 parts of silicon acrylic emulsion, add 2 parts of inorganic pigment and 2 parts of coupling agent balance at the same time, stir evenly to obtain a mixed emulsion;

3. Weigh 15 parts of cement and 25 parts of quartz sand by weight, add them to the kneader, mix them evenly, and obtain the mixed powder;

4. Add the mixed emulsion in step 2 to the mixed powder in step 3, add 10 parts of water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold;

5. Send the mold injected with the slurry into the microwave heating and curing line for curing, and the microwave heating is multi-stage microwave curing;

The time of each microwave treatment described is 40 seconds;

The interval between each microwave treatment is 30 seconds;

In microwave treatment, first microwave treatment for 10-60 seconds, stop for 10-30 seconds, continue microwave treatment for 10-60 seconds, stop for 10-30 seconds, and reciprocate;

The number of microwave treatments exceeds 15 times;

The temperature of the microwave treatment stage was controlled at 90 °C.

6. After the treatment is completed, put it into an oven at 80°C for further curing.

The present disclosure provides embodiment 3, and the specific operations are as follows:

1. Add 3 parts of carbon black to 25 parts of silicon-acrylic emulsion, add 3 parts of film-forming agent, 2 parts of inorganic pigment, and 3 parts of coupling agent balance at the same time, stir well to obtain a mixed emulsion;

2. Weigh 15 parts of cement and 25 parts of quartz sand by weight, add them to the kneader, mix them evenly, and obtain the mixed powder;

3. Add the mixed emulsion in step 2 to the mixed powder in step 3, add 10 parts of water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold;

4. Send the mold injected with the slurry into the microwave heating and curing line for curing, and the microwave heating is multi-stage microwave curing;

The time of each microwave treatment described is 40 seconds;

The interval between each microwave treatment is 30 seconds;

In microwave treatment, first microwave treatment for 10-60 seconds, stop for 10-30 seconds, continue microwave treatment for 10-60 seconds, stop for 10-30 seconds, and reciprocate;

The number of microwave treatments exceeds 15 times;

The temperature of the microwave treatment stage was controlled at 90 °C.

5. After the treatment is completed, put it into an oven at 80°C for further curing.

The present disclosure provides embodiment 4, and the specific operations are as follows:

1. Blend 1 part of coupling agent with 2 parts of carbon black to obtain a composition of carbon black and coupling agent, wherein the mass ratio of coupling agent to carbon black is 1:2;

2. Add the composition of carbon black and coupling agent in step 1 to 25 parts of silicon-acrylic emulsion, add 3 parts of film-forming agent and 2 parts of inorganic pigment, and the balance of 2 parts of coupling agent, and stir evenly. Obtain mixed emulsion;

3. Weigh 15 parts of cement and 25 parts of quartz sand by weight, add them to the kneader, mix them evenly, and obtain the mixed powder;

4. Add the mixed emulsion in step 2 to the mixed powder in step 3, add 10 parts of water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold;

5. Put the mold in step 4 into an oven at 80°C for further curing.

The present disclosure provides embodiment 5, and the specific operations are as follows:

1. Add 3 parts of film-forming agent and 3 parts of silane coupling agent into 25 parts of silicon-acrylic emulsion, stir evenly to obtain mixed emulsion;

2. Weigh 15 parts of cement and 25 parts of quartz sand by weight, add them to the kneader, mix them evenly, and obtain the mixed powder;

3. Add the mixed emulsion in step 1 to the mixed powder in step 2, add 10 parts of water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold;

4. Send the mold injected with the slurry into the microwave heating and curing line for curing, and the microwave heating is multi-stage microwave curing;

The time of each microwave treatment described is 40 seconds;

The interval between each microwave treatment is 30 seconds;

In microwave treatment, first microwave treatment for 10-60 seconds, stop for 10-30 seconds, continue microwave treatment for 10-60 seconds, stop for 10-30 seconds, and reciprocate;

The number of microwave treatments exceeds 15 times;

The temperature of the microwave treatment stage was controlled at 90 °C.

5. After the treatment is completed, put it into an oven at 80°C for further curing.

The present disclosure provides embodiment 6, and the specific operations are as follows:

1. Add 3 parts of silane coupling agent to 25 parts of silicon-acrylic emulsion, stir evenly to obtain mixed emulsion;

2. Weigh 15 parts of cement and 25 parts of quartz sand by weight, add them to the kneader, mix them evenly, and obtain the mixed powder;

3. Add the mixed emulsion in step 1 to the mixed powder in step 2, add 10 parts of water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold;

4. Send the mold injected with the slurry into the microwave heating and curing line for curing, and the microwave heating is multi-stage microwave curing;

The time of each microwave treatment described is 40 seconds;

The interval between each microwave treatment is 30 seconds;

In microwave treatment, first microwave treatment for 10-60 seconds, stop for 10-30 seconds, continue microwave treatment for 10-60 seconds, stop for 10-30 seconds, and reciprocate;

The number of microwave treatments exceeds 15 times;

The temperature of the microwave treatment stage was controlled at 90 °C.

5. After the treatment is completed, put it into an oven at 80°C for further curing.

The present disclosure provides embodiment 7, and the specific operations are as follows:

1. Blend 1 part of coupling agent with 2 parts of carbon black to obtain a composition of carbon black and coupling agent, wherein the mass ratio of coupling agent to carbon black is 1:2;

2. Add the composition of carbon black and coupling agent in step 1 to 25 parts of silicon-acrylic emulsion, add 3 parts of film-forming agent and 2 parts of inorganic pigment, and the balance of 2 parts of coupling agent, and stir evenly. Obtain mixed emulsion;

3. Weigh 15 parts of cement and 25 parts of quartz sand by weight, add them to the kneader, mix them evenly, and obtain the mixed powder;

4. Add the mixed emulsion in step 2 to the mixed powder in step 3, add 10 parts of water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold;

5. Send the mold injected with the slurry into the microwave heating and curing line for curing, and the microwave heating is a stage of microwave curing;

The time of each microwave treatment is 10min.

6. After the treatment, put it into an oven at 80°C for further curing.

The present disclosure provides embodiment 8, and the specific operations are as follows:

1. Add 2 parts of inorganic pigments and 3 parts of coupling agent into 25 parts of silicone acrylic emulsion, stir evenly to obtain a mixed emulsion;

2. Weigh 15 parts of cement and 25 parts of quartz sand by weight, add them to the kneader, mix them evenly, and obtain the mixed powder;

3. Add the mixed emulsion in step 1 to the mixed powder in step 2, add 10 parts of water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold;

4. Put the mold injected with the slurry into a drying room for curing, specifically, drying and curing in an oven with a curing temperature of 80°C.

The mechanical properties of the soft porcelain materials obtained in the above examples were tested, and the tensile strength, elongation at break and hydrophobicity were tested with a tensile strength tester.

In the test of hydrophobicity, droplet is added to the surface of soft porcelain, and the distribution state of droplet is observed

The specific results are as follows:

From the test results, we found that the addition of carbon black and film-forming agent, especially the addition of film-forming agent, can improve the hydrophobicity of soft porcelain materials to a certain extent. The microwave absorbing agent carbon black and microwave treatment can also improve its hydrophobicity. Microwave treatment combined with microwave absorbing agent mainly changes the apparent structure of soft porcelain to improve the hydrophobic effect.

The above is only a specific implementation of the application, but the scope of protection of the application is not limited thereto. Anyone familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the application. Should be covered within the protection scope of this application. Therefore, the protection scope of the present application should be determined by the protection scope of the claims.

Claims (5)

1. A superhydrophobic soft porcelain flexible veneer material, characterized in that, the soft porcelain flexible veneer material raw materials include 20-30 parts of silicon acrylic emulsion, 1-3 parts of inorganic pigments, 5-30 parts of cement, quartz 25-35 parts of sand, 1-3 parts of coupling agent, 2-5 parts of film-forming agent, 1-3 parts of carbon black, 2-15 parts of water; wherein the carbon black is a wave absorbing agent; The superhydrophobic soft porcelain flexible facing material is prepared through the following steps: S1, blending the coupling agent and carbon black to obtain a composition of carbon black and coupling agent; wherein the mass ratio of coupling agent to carbon black in the step S1 is 1:2-3; S2, adding the composition of the carbon black and the coupling agent into the silicon-acrylic emulsion, adding the film-forming agent, the inorganic pigment, and the remainder of the coupling agent, and stirring evenly to obtain a mixed emulsion; S3, fully mixing S1, S2 and other components to obtain slurry, and injecting the slurry into the mold; S4. Send the mold injected with the slurry into the microwave heating and curing line for curing, and the microwave heating is multi-stage microwave curing; wherein the number of times of the microwave treatment is more than 10 times; the time of each microwave treatment is 10-60 seconds ; The interval between each microwave treatment is 10-30 seconds. 2. A superhydrophobic soft porcelain flexible veneer material as claimed in claim 1, wherein the coupling agent is silane coupling agent KH550 or silane coupling agent KH560. 3. a preparation method of superhydrophobic soft porcelain flexible veneer material as claimed in claim 1, is characterized in that, comprises the steps: S1, blending the coupling agent and carbon black to obtain a composition of carbon black and coupling agent; S2. Add the composition of carbon black and coupling agent in step 1 to the silicon-acrylic emulsion, add film-forming agent and inorganic pigment, and the remaining amount of coupling agent at the same time, and stir evenly to obtain a mixed emulsion; S3. Weigh cement and quartz sand by weight, add them to the kneader, and mix them evenly to obtain mixed powder; S4. Add the mixed emulsion in step 2 to the mixed powder in step 3, add water at the same time, stir thoroughly to obtain a slurry, and inject the slurry into the mold; S5. The mold injected with the slurry is sent to a microwave heating and curing line for curing, and the microwave heating is multi-stage microwave curing. 4. a kind of preparation method of a kind of superhydrophobic soft porcelain flexible veneer material as claimed in claim 3, is characterized in that, in described step S5, uses microwave multistage curing, and the curing temperature in microwave curing is 80- 150°C. 5. A method for preparing a superhydrophobic soft porcelain flexible veneer material as claimed in claim 3, wherein the number of times of microwave treatment is preferably more than 15 times.