CN113372821A - Glass polishing solution capable of improving yield and reducing consumption and preparation method thereof - Google Patents

Abstract

The invention discloses a glass polishing solution for improving yield and reducing consumption, which comprises the following components in parts by weight: 50-55% of rare earth metal oxide powder, 2-5% of suspending agent, 0.2-0.5% of montmorillonite, 5-10% of cosolvent, 5-10% of PEG40, and the balance being deionized.

Description

Glass polishing solution capable of improving yield and reducing consumption and preparation method thereof

Technical Field

The invention discloses a glass polishing solution capable of improving yield and reducing consumption and a preparation method thereof, and belongs to the technical field of glass polishing solutions.

Background

With the increasing demand of mobile phones and tablet computers, the demand for glass is gradually increased, various polishing needs to be performed on glass in the glass processing industry, and oxides of rare earth metals are mainly used in various polishing materials, while the earth abundance of the rare earth metals is very low, so that the development and use needs to be limited, so that the use amount of the rare earth metals is reduced, which is the starting point of the invention. Most of processing enterprises engaged in glass polishing at the present stage purchase polishing powder, and the polishing powder is used after being automatically mixed with water and stirred, and although the quality is controlled according to the density in the process, the suspension property of the polishing powder is poor, the precision is not accurate enough, and larger deviation is often caused, so that the subsequent processing quality is greatly influenced.

Disclosure of Invention

The invention aims to solve the defects and provide a glass polishing solution for improving the yield and reducing the consumption and a preparation method thereof.

The glass polishing solution for improving the yield and reducing the consumption comprises the following components in parts by weight: 50-55% of rare earth metal oxide powder, 2-5% of suspending agent, 0.2-0.5% of montmorillonite, 5-10% of cosolvent, 5-10% of PEG40 and the balance of deionized water.

Preferably, the rare earth metal oxide powder comprises cerium oxide and any one or more other rare earth oxides, and the total rare earth content in the rare earth polishing powder is 50-55%.

Preferably, the content of the cerium oxide in the total rare earth is more than or equal to 50%, and the particle size distribution of the rare earth metal oxide powder meets the following requirements: d0 is less than or equal to 10 mu m, D10 is less than or equal to 4 mu m, D50 is 0.8-2 mu m, and D90 is more than or equal to 0.5 mu m.

Preferably, the suspending agent is stearic acid, and the content of the stearic acid is 2-5%.

Preferably, the cosolvent is propylene glycol, the content of the propylene glycol is 5-10%, and the cosolvent can be used as a lubricant.

The invention also provides a preparation method of the glass polishing solution for improving the yield and reducing the consumption, which comprises the following steps:

a) heating propylene glycol to 70 ℃, and slowly adding stearic acid under the condition of continuous stirring;

b) standing and cooling the mixture obtained in the step a for later use;

c) adding deionized water into the reaction kettle, and slowly adding montmorillonite under the condition of continuous stirring until the solution is in a transparent state;

d) adding PEG400 into the transparent liquid obtained in the step c until the transparent liquid is transparent;

e) slowly adding the mixed solution of the propylene glycol and the stearic acid obtained in the step b into the step d until the mixture is transparent;

f) slowly adding the rare earth metal oxide powder into the reaction kettle, and stirring in a stirrer after the addition is finished;

g) and filtering the mixture through a 200-mesh steel net under the continuous operation of a stirrer to obtain the glass polishing solution.

Preferably, the stirring time of the stirrer in the step f is 30min or more.

Compared with the prior art, the invention has the following beneficial effects:

the glass polishing solution prepared by the invention can effectively reduce the consumption of rare earth metal oxide in the production process, improve the yield of glass polishing processing, reduce the difficulty of the subsequent cleaning process, ensure that the polished glass product is easy to clean, and shorten the cleaning process time by half.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The glass polishing solution for improving the yield and reducing the consumption comprises the following components in parts by weight: 50-55% of rare earth metal oxide powder, 2-5% of suspending agent, 0.2-0.5% of montmorillonite, 5-10% of cosolvent, 5-10% of PEG40 and the balance of deionized water;

preferably, the rare earth metal oxide powder comprises cerium oxide and any one or more other rare earth oxides, and the total rare earth content in the rare earth polishing powder is 50-55%.

Preferably, the content of the cerium oxide in the total rare earth is more than or equal to 50%, and the particle size distribution of the rare earth metal oxide powder meets the following requirements: d0 is less than or equal to 10 mu m, D10 is less than or equal to 4 mu m, D50 is 0.8-2 mu m, and D90 is more than or equal to 0.5 mu m.

Preferably, the suspending agent is stearic acid, and the content of the stearic acid is 2-5%.

Preferably, the cosolvent is propylene glycol, the content of the propylene glycol is 5-10%, and the cosolvent can be used as a lubricant.

The invention also provides a preparation method of the glass polishing solution for improving the yield and reducing the consumption, which comprises the following steps:

a) heating propylene glycol to 70 ℃, and slowly adding stearic acid under the condition of continuous stirring;

b) standing and cooling the mixture obtained in the step a for later use;

c) adding deionized water into the reaction kettle, and slowly adding montmorillonite under the condition of continuous stirring until the solution is in a transparent state;

d) adding PEG400 into the transparent liquid obtained in the step c until the transparent liquid is transparent;

e) slowly adding the mixed solution of the propylene glycol and the stearic acid obtained in the step b into the step d until the mixture is transparent;

f) slowly adding the rare earth metal oxide powder into the reaction kettle, and stirring in a stirrer after the addition is finished;

g) and filtering the mixture through a 200-mesh steel net under the continuous operation of a stirrer to obtain the glass polishing solution.

Preferably, the stirring time of the stirrer in the step f is 30min or more.

The first embodiment is as follows:

the preparation method comprises the following specific steps:

a) heating propylene glycol to 70 ℃, and slowly adding stearic acid under the condition of continuous stirring;

b) standing and cooling the mixture obtained in the step a for later use;

c) adding deionized water into the reaction kettle, and slowly adding montmorillonite under the condition of continuous stirring until the solution is in a transparent state;

d) adding PEG400 into the transparent liquid obtained in the step c until the transparent liquid is transparent;

e) slowly adding the mixed solution of the propylene glycol and the stearic acid obtained in the step b into the step d until the mixture is transparent;

f) slowly adding the rare earth metal oxide powder into the reaction kettle, and stirring in a stirrer after the addition is finished;

g) and filtering the mixture through a 200-mesh steel net under the continuous operation of a stirrer to obtain the glass polishing solution.

Wherein, 55% of rare earth metal oxide powder, 2% of stearic acid, 8% of propylene glycol, 5% of PEG400 and the balance of deionized water;

furthermore, in the actual polishing process, the used density of the comparative polishing powder is 1.12-1.15, and the yield is 90-92% under the same pressure and rotation speed of 60R/min.

The yield of the polishing solution is 1.06 and 91% in the continuous processing process of 72H, but the cleaning time of the subsequent glass product cleaning process is reduced by half.

Example two:

the preparation method comprises the following specific steps:

a) heating propylene glycol to 70 ℃, and slowly adding stearic acid under the condition of continuous stirring;

b) standing and cooling the mixture obtained in the step a for later use;

c) adding deionized water into the reaction kettle, and slowly adding montmorillonite under the condition of continuous stirring until the solution is in a transparent state;

d) adding PEG400 into the transparent liquid obtained in the step c until the transparent liquid is transparent;

e) slowly adding the mixed solution of the propylene glycol and the stearic acid obtained in the step b into the step d until the mixture is transparent;

f) slowly adding the rare earth metal oxide powder into the reaction kettle, and stirring in a stirrer after the addition is finished;

g) and filtering the mixture through a 200-mesh steel net under the continuous operation of a stirrer to obtain the glass polishing solution.

Wherein, 55% of rare earth metal oxide powder, 2% of stearic acid, 8% of propylene glycol, 0.2% of montmorillonite, 10% of PEG400 and the balance of deionized water;

furthermore, in the actual polishing process, the used density of the comparative polishing powder is 1.12-1.15, and the yield is 90-92% under the same pressure and rotation speed of 60R/min.

The yield of the polishing solution is in a continuous 24H processing process, the using density of the polishing solution is 1.06, the yield is only 80%, and the analysis shows that the pressure of the grinding disc caused by PEG400 cannot be continuously stabilized;

example three:

the preparation method comprises the following specific steps:

a) heating propylene glycol to 70 ℃, and slowly adding stearic acid under the condition of continuous stirring;

b) standing and cooling the mixture obtained in the step a for later use;

c) adding deionized water into the reaction kettle, and slowly adding montmorillonite under the condition of continuous stirring until the solution is in a transparent state;

d) adding PEG400 into the transparent liquid obtained in the step c until the transparent liquid is transparent;

e) slowly adding the mixed solution of the propylene glycol and the stearic acid obtained in the step b into the step d until the mixture is transparent;

f) slowly adding the rare earth metal oxide powder into the reaction kettle, and stirring in a stirrer after the addition is finished;

g) and filtering the mixture through a 200-mesh steel net under the continuous operation of a stirrer to obtain the glass polishing solution.

Wherein, 55% of rare earth metal oxide powder, 2% of stearic acid, 8% of propylene glycol, 0.2% of montmorillonite, 5% of PEG400 and the balance of deionized water;

furthermore, in the actual polishing process, the used density of the comparative polishing powder is 1.12-1.15, and the yield is 90-92% under the same pressure and rotation speed of 60R/min.

The yield of the polishing solution is 1.06 and 97% in the continuous processing process of 72H, and the cleaning time of the subsequent glass product cleaning process is reduced by half.

In summary, the formulation ratio in the third embodiment is the most suitable ratio at the present stage.

The glass polishing solution prepared by the invention can effectively reduce the consumption of rare earth metal oxide in the production process, improve the yield of glass polishing processing, reduce the difficulty of the subsequent cleaning process, ensure that the polished glass product is easy to clean, and shorten the cleaning process time by half.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a promote glass polishing solution of yield reduction quantity which characterized in that: the glass polishing solution comprises the following components in parts by weight: 50-55% of rare earth metal oxide powder, 2-5% of suspending agent, 0.2-0.5% of montmorillonite, 5-10% of cosolvent, 5-10% of PEG40 and the balance of deionized water.

2. The glass polishing solution according to claim 1, wherein the polishing solution has a polishing rate lower than that of the polishing solution: the rare earth metal oxide powder comprises cerium oxide and any one or more other rare earth oxides, and the total rare earth content in the rare earth polishing powder is 50-55%.

3. The glass polishing solution according to claim 2, wherein the polishing solution has a polishing rate lower than that of the polishing solution: the content of the cerium oxide in the total rare earth is more than or equal to 50 percent, and the particle size distribution of the rare earth metal oxide powder meets the following requirements: d0 is less than or equal to 10 mu m, D10 is less than or equal to 4 mu m, D50 is 0.8-2 mu m, and D90 is more than or equal to 0.5 mu m.

4. The glass polishing solution according to claim 1, wherein the polishing solution has a polishing rate lower than that of the polishing solution: the suspending agent is stearic acid, and the content of the stearic acid is 2-5%.

5. The glass polishing solution according to claim 1, wherein the polishing solution has a polishing rate lower than that of the polishing solution: the cosolvent is propylene glycol, the content of the propylene glycol is 5-10%, and the cosolvent can be used as a lubricant.

6. The method according to any of claims 1 to 5, wherein the polishing slurry is prepared by the following steps: the method specifically comprises the following steps:

a) heating propylene glycol to 70 ℃, and slowly adding stearic acid under the condition of continuous stirring;

b) standing and cooling the mixture obtained in the step a for later use;

c) adding deionized water into the reaction kettle, and slowly adding montmorillonite under the condition of continuous stirring until the solution is in a transparent state;

d) adding PEG400 into the transparent liquid obtained in the step c until the transparent liquid is transparent;

e) slowly adding the mixed solution of the propylene glycol and the stearic acid obtained in the step b into the step d until the mixture is transparent;

f) slowly adding the rare earth metal oxide powder into the reaction kettle, and stirring in a stirrer after the addition is finished;

g) and filtering the mixture through a 200-mesh steel net under the continuous operation of a stirrer to obtain the glass polishing solution.

7. The method according to claim 6, wherein the step of preparing the glass polishing solution comprises the steps of: and f, stirring for more than 30min by using a stirrer.