Pearlescent brushing slurry for over-glaze decoration and preparation method of pearlescent brushing slurry

Abstract

The invention discloses pearlescent brushing slurry for overglaze decoration and a preparation method thereof, and the pearlescent brushing slurry comprises the following components in percentage by weight: 60-80% of brushing slurry, 10-20% of pearl powder, 1-2% of flatting agent and 1-2% of defoaming agent, wherein the brushing slurry is prepared by mixing the following raw materials in percentage by weight: 0-10% of bismuth resin, 0-10% of indium resin, 20-50% of silicon resin, 20-30% of terpene resin and 30-40% of solvent; the preparation method of the pearlescent printing paste comprises the following steps: step 1) taking bismuth resin, indium resin, silicon resin, terpene resin and a solvent in percentage by weight, putting the bismuth resin, the indium resin, the silicon resin and the terpene resin into the solvent, and stirring and dissolving to obtain brushing paste; (2) taking the brushing slurry, the pearl powder, the flatting agent and the defoaming agent according to the weight percentage, sequentially adding the pearl powder, the flatting agent and the defoaming agent into the brushing slurry, and stirring while adding until the materials are uniformly stirred, so as to obtain a target product.

Description

Technical Field

[0001] The invention relates to the technical field of coating materials, in particular to a pearlescent coating slurry for overglaze decoration and a preparation method thereof. Background Art

[0002] In the field of decoration of ceramics, glass and other materials, pearlescent coating slurry is highly favored due to its unique visual effect. The usual practice is to use fine pearlescent powder and ink oil to prepare printing ink or brushing fake gold water, and then bake it at high temperature to form a decorative surface;

[0003] However, the existing pearlescent coating slurry has deficiencies in leveling and defoaming properties, which affects the decorative effect of the final product. Therefore, it is of great significance to develop a pearlescent coating slurry with better performance. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the defects of the above-mentioned technology and provide a pearlescent coating slurry for overglaze decoration and a preparation method thereof.

[0005] In order to solve the above technical problems, the technical solution provided by the present invention is a pearlescent coating slurry for overglaze decoration, wherein the pearlescent coating slurry comprises 60-80% of coating slurry, 10-20% of pearlescent powder, 1-2% of leveling agent and 1-2% of defoaming agent, based on 100% by weight.

[0006] The coating slurry is calculated by weight percentage as 100%, and is mixed with the following raw materials, including 0-10% bismuth resin, 0-10% indium resin, 20-50% silicone resin, 20-30% terpene resin, and 30-40% solvent.

[0007] Furthermore, the solvent is dibutyl phthalate or ethyl acetate.

[0008] Furthermore, the defoaming agent is a vinyl polymer.

[0009] Furthermore, the leveling agent is an acrylic polymer.

[0010] Furthermore, the mass percentage of bismuth in the bismuth resin is 5.38%; the mass percentage of indium in the indium resin is 5%; and the mass percentage of silicon in the silicone resin is 6%.

[0011] Furthermore, the particle size of the pearlescent powder is 5 to 25 μm.

[0012] Furthermore, the preparation method of the pearlescent coating slurry comprises the following steps:

[0013] Step 1) taking bismuth resin, indium resin, silicone resin, terpene resin and solvent according to weight percentage, putting bismuth resin, indium resin, silicone resin and terpene resin into the solvent, and stirring and dissolving them to obtain a coating slurry;

[0014] Step 2) Take the coating slurry, pearl powder, leveling agent and defoaming agent according to weight percentage, add the pearl powder, leveling agent and defoaming agent to the coating slurry in sequence, stir while adding until the mixture is evenly stirred, and the target product can be obtained.

[0015] The advantages of the present invention compared with the prior art are:

[0016] 1) The pearlescent coating paste of the present invention significantly improves the leveling and defoaming properties of the printing paste by optimizing the raw material ratio, especially using a specific ratio of bismuth resin, indium resin, silicone resin and terpene resin, and a specific solvent combination.

[0017] 2) The pearlescent powder used has a moderate particle size and can be evenly dispersed in the coating slurry to form a bright pearlescent effect and enhance the visual beauty of the decoration.

[0018] 3) The preparation method is simple, easy to operate, and suitable for large-scale industrial production. DETAILED DESCRIPTION

[0019] The pearlescent coating slurry for overglaze decoration and the preparation method thereof of the present invention are further described in detail below in conjunction with the embodiments.

[0020] Example 1

[0021] A pearlescent coating slurry for overglaze decoration, wherein the pearlescent coating slurry comprises 78% coating slurry, 19% pearlescent powder, 1.5% leveling agent and 1.5% defoaming agent based on 100% by weight;

[0022] The coating slurry is calculated by weight percentage as 100%, and is mixed with the following raw materials, including 5% bismuth resin, 5% indium resin, 30% silicone resin, 25% terpene resin, and 35% solvent;

[0023] The solvent is ethyl acetate;

[0024] The defoamer is a vinyl polymer;

[0025] The leveling agent is an acrylic polymer;

[0026] The particle size of the pearl powder is 15 μm.

[0027] The method for preparing the pearlescent coating slurry comprises the following steps:

[0028] Step 1) taking bismuth resin, indium resin, silicone resin, terpene resin and solvent according to weight percentage, putting bismuth resin, indium resin, silicone resin and terpene resin into the solvent, and stirring and dissolving them to obtain a coating slurry;

[0029] Step 2) Take the coating slurry, pearl powder, leveling agent and defoaming agent according to weight percentage, add the pearl powder, leveling agent and defoaming agent to the coating slurry in sequence, stir while adding until the mixture is evenly stirred, and the target product can be obtained.

[0030] Example 2

[0031] A pearlescent coating slurry for overglaze decoration, wherein the pearlescent coating slurry comprises 78% coating slurry, 18% pearlescent powder, 2% leveling agent and 2% defoaming agent based on 100% by weight;

[0032] The coating slurry is calculated by weight percentage as 100%, and is mixed with the following raw materials, including 6% bismuth resin, 4% indium resin, 35% silicone resin, 25% terpene resin, and 30% solvent;

[0033] The solvent is dibutyl phthalate;

[0034] The defoamer is a vinyl polymer;

[0035] The leveling agent is an acrylic polymer;

[0036] The particle size of the pearl powder is 10 μm.

[0037] The method for preparing the pearlescent coating slurry comprises the following steps:

[0038] Step 1) taking bismuth resin, indium resin, silicone resin, terpene resin and solvent according to weight percentage, putting bismuth resin, indium resin, silicone resin and terpene resin into the solvent, and stirring and dissolving them to obtain a coating slurry;

[0039] Step 2) Take the coating slurry, pearl powder, leveling agent and defoaming agent according to weight percentage, add the pearl powder, leveling agent and defoaming agent to the coating slurry in sequence, stir while adding until the mixture is evenly stirred, and the target product can be obtained.

[0040] The present invention and its implementation methods are described above, and such description is not restrictive. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design structures and embodiments similar to the technical solution without creativity, which should all fall within the protection scope of the present invention.

Claims

1. A pearlescent coating slurry for overglaze decoration, characterized in that: The pearlescent coating slurry, calculated based on 100% by weight, comprises 60-80% of coating slurry, 10-20% of pearlescent powder, 1-2% of leveling agent, and 1-2% of defoaming agent; The coating slurry is calculated by weight percentage as 100%, and is mixed with the following raw materials, including 0-10% bismuth resin, 0-10% indium resin, 20-50% silicone resin, 20-30% terpene resin, and 30-40% solvent.

2. The pearlescent coating slurry according to claim 1, characterized in that: The solvent is dibutyl phthalate and ethyl acetate.

3. The pearlescent coating slurry according to claim 1, characterized in that: The defoaming agent is a vinyl polymer.

4. The pearlescent coating slurry according to claim 1, characterized in that: The leveling agent is an acrylic polymer.

5. The pearlescent coating slurry according to claim 1, characterized in that: The mass percentage of bismuth in the bismuth resin is 5.38%; the mass percentage of indium in the indium resin is 5%; and the mass percentage of silicon in the silicone resin is 6%.

6. The pearlescent coating slurry according to claim 1, characterized in that: The particle size of the pearlescent powder is 5 to 25 μm.

7. The method for preparing the pearlescent coating slurry according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step 1) taking bismuth resin, indium resin, silicone resin, terpene resin and solvent according to weight percentage, putting bismuth resin, indium resin, silicone resin and terpene resin into the solvent, and stirring and dissolving them to obtain a coating slurry; Step 2) Take the coating slurry, pearl powder, leveling agent and defoaming agent according to weight percentage, add the pearl powder, leveling agent and defoaming agent to the coating slurry in sequence, stir while adding until the mixture is evenly stirred, and the target product can be obtained.