阅读说明：本技术 一种微晶玻璃清洗剂及其制备方法 (Microcrystalline glass cleaning agent and preparation method thereof ) 是由 肖建军 杨武根 于 2021-09-22 设计创作，主要内容包括：本发明公开一种微晶玻璃清洗剂,包括以下成分及份数：去离子水38-57.5份、无机碱12-18份、络合剂25-35份、有机酸4-6份、蚀刻剂0.5-1份、表面活性剂1-2份。本发明还公开了一种微晶玻璃清洗剂的制备方法。该微晶玻璃清洗剂对微晶玻璃表面上的抛光粉有明显的清洗能力,经过清洗后的微晶玻璃表面无色差,发雾与白点等腐蚀现象特别是镀上AF膜之后,AF膜的抗摩擦试验可达3000次以上。该微晶玻璃清洗剂的制备方法制作合理,工艺简易,方便实现,生产效率高,能够快速生产制备出需要的微晶玻璃清洗剂。(The invention discloses a microcrystalline glass cleaning agent which comprises the following components in parts by weight: 38-57.5 parts of deionized water, 12-18 parts of inorganic base, 25-35 parts of complexing agent, 4-6 parts of organic acid, 0.5-1 part of etchant and 1-2 parts of surfactant. The invention also discloses a preparation method of the microcrystalline glass cleaning agent. The microcrystalline glass cleaning agent has obvious cleaning capability on polishing powder on the surface of microcrystalline glass, the surface of the cleaned microcrystalline glass has no color difference, and the corrosion phenomena of fogging, white spots and the like, particularly after an AF film is plated, the anti-friction test of the AF film can reach more than 3000 times. The preparation method of the microcrystalline glass cleaning agent is reasonable in preparation, simple in process, convenient to implement and high in production efficiency, and can be used for quickly preparing the required microcrystalline glass cleaning agent.)

1. The microcrystalline glass cleaning agent is characterized by comprising the following components in parts by weight:

38-57.5 parts of deionized water;

12-18 parts of inorganic base;

25-35 parts of a complexing agent;

4-6 parts of organic acid;

0.5-1 part of an etching agent;

1-2 parts of a surfactant.

2. The microcrystalline glass cleaning agent according to claim 1, wherein the inorganic base is a strong base.

3. The microcrystalline glass cleaning agent according to claim 2, wherein the strong base is any one or a mixture of potassium hydroxide and sodium hydroxide.

4. The microcrystalline glass cleaning agent according to claim 1, wherein the complexing agent is any one or a mixture of sodium citrate, sodium gluconate and potassium sodium tartrate.

5. The microcrystalline glass cleaning agent according to claim 1, wherein the organic acid is any one or a mixture of citric acid and hydroxyethylidene diphosphonic acid.

6. The microcrystalline glass cleaning agent according to claim 1, wherein the etching machine has a corrosive effect on glass.

7. The microcrystalline glass cleaning agent according to claim 1, wherein the surfactant is a strong base resistant low foaming surfactant.

8. The preparation method of the glass-ceramic cleaning agent as claimed in any one of claims 1 to 7, characterized by comprising the following steps:

(1) weighing deionized water according to the weight percentage, pouring the deionized water into a stirring barrel, and starting a stirrer;

(2) weighing inorganic base according to the weight percentage, and pouring the inorganic base into a stirring barrel;

(3) weighing the complexing agent according to the weight percentage, pouring the complexing agent into a stirring barrel, and cooling to 40 ℃ after completely stirring and dissolving;

(4) and (3) weighing the organic acid, the etching machine and the surfactant in sequence according to the weight percentage, pouring the organic acid, the etching machine and the surfactant into a stirring barrel, and stirring the mixture into transparent clear liquid, namely the microcrystalline glass cleaning agent.

9. The method for preparing the microcrystalline glass cleaning agent as claimed in claim 8, wherein the rotation speed of the stirrer is 60-80 rpm.

Technical Field

The invention relates to the technical field of hard and brittle material processing, in particular to a microcrystalline glass cleaning agent and a preparation method thereof.

Background

Glass polishing is an essential basic procedure in the production and deep processing processes of mobile phone cover plates and touch screen production enterprises. With the continuous update of the production and processing technologies of mobile phone cover plates and touch screens, the glass materials of mobile phone cover plates are also continuously upgraded, and the glass materials are developed from the original common glass to the glass of mirabilite, xu glass, kangning 5G glass, kangning 6G glass and even to the currently popular microcrystalline glass. The microcrystalline glass has the advantages of high brightness, strong toughness, wear resistance and the like, and can be used as a mainstream material for the mobile phone cover plate processing industry for a long time in the future. In the process of producing the glass ceramics, a polished glass substrate needs to be cleaned, the existing glass polishing powder cleaning process needs to be carried out under a strong alkali condition, the alkali resistance of the glass ceramics is crossed, so that the glass ceramics is easy to corrode under the strong alkali condition to increase chromatic aberration, an AF film needs to be plated after the glass ceramics are polished and cleaned, the anti-friction performance of the AF film cannot meet the requirement, and the anti-friction performance of the AF film is influenced because the surface roughness of the polished glass ceramics is reduced and the adhesive force between the AF film and the glass is reduced.

Disclosure of Invention

One object of the present invention is: provides a microcrystalline glass cleaning agent and a preparation method thereof, which are used for solving the problems in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the microcrystalline glass cleaning agent comprises the following components in parts by weight:

38-57.5 parts of deionized water;

12-18 parts of inorganic base;

25-35 parts of a complexing agent;

4-6 parts of organic acid;

0.5-1 part of an etching agent;

1-2 parts of a surfactant.

As a preferred technical solution, the inorganic base is a strong base.

As a preferable technical scheme, the strong base is any one or a mixture of potassium hydroxide and sodium hydrogen oxide.

As a preferable technical scheme, the complexing agent is any one or a mixture of sodium citrate, sodium gluconate and potassium sodium tartrate.

As a preferable technical scheme, the organic acid is any one or a mixture of citric acid and hydroxyethylidene diphosphonic acid.

As a preferred technical scheme, the etching machine has a corrosive effect on glass.

As a preferable technical scheme, the surfactant is a strong alkali resistant low foaming surfactant.

The preparation method of the microcrystalline glass cleaning agent comprises the following steps:

(1) weighing deionized water according to the weight percentage, pouring the deionized water into a stirring barrel, and starting a stirrer;

(2) weighing inorganic base according to the weight percentage, and pouring the inorganic base into a stirring barrel;

(3) weighing the complexing agent according to the weight percentage, pouring the complexing agent into a stirring barrel, and cooling to 40 ℃ after completely stirring and dissolving;

(4) and (3) weighing the organic acid, the etching machine and the surfactant in sequence according to the weight percentage, pouring the organic acid, the etching machine and the surfactant into a stirring barrel, and stirring the mixture into transparent clear liquid, namely the microcrystalline glass cleaning agent.

As a preferred technical scheme, the rotating speed of the stirrer is 60-80 revolutions per minute.

The invention has the beneficial effects that:

1. the microcrystalline glass cleaning agent has the advantages that the balance of an etching machine and inorganic base is mastered, the chromatic aberration effect caused by corrosion of the inorganic base is reduced by adding a certain amount of the etching machine, the surface of microcrystalline glass is subjected to artificial weak corrosion by the etching machine, the adhesive force of an AF film and the glass is increased, the AF film of the microcrystalline glass meets the requirement of friction resistance, a complexing agent with excellent complexing performance is selected, polishing powder can be cleaned, the surface of the glass can be servo-controlled properly, and the corrosion phenomenon cannot be seen.

2. The preparation method of the microcrystalline glass cleaning agent is simple in preparation process and easy to realize, and the required microcrystalline glass cleaning agent can be quickly and efficiently prepared.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments.

The first embodiment is as follows: the microcrystalline glass cleaning agent comprises the following components in percentage by mass:

serial number	Components	Content (W%) by weight
			1	Deionized water	46
2	Sodium hydroxide	12
			3	Sodium gluconate	15
4	Tartaric acid potassium sodium salt	20
			5	Citric acid	4
6	Etching agent	1
			7	Surface active agent	2

The preparation method for 100kg of the microcrystalline glass cleaning agent comprises the following steps:

weighing 48kg of deionized water (containing 2kg of water consumed for evaporation, the same applies below), and starting a stirrer (the rotating speed is 60-80 rpm);

weighing 12kg of sodium hydroxide, pouring into a stirring barrel, and stirring;

weighing 15kg of sodium gluconate, pouring into a stirring barrel, and stirring;

weighing 20kg of potassium sodium tartrate, pouring into a stirring barrel, and stirring;

when the temperature of the solution in the barrel is reduced to below 60 ℃, weighing 4kg of citric acid, pouring into a stirring barrel, and stirring;

weighing 1kg of etching agent and 2kg of surfactant, pouring into a barrel, uniformly stirring, and filling the formed glass ceramic cleaning agent after the temperature in the barrel is reduced to 40 ℃.

Example two: the microcrystalline glass cleaning agent comprises the following components in percentage by mass:

serial number	Components	Content (W%) by weight
			1	Deionized water	51.5
2	Potassium hydroxide	18
			3	Sodium gluconate	10
4	Tartaric acid potassium sodium salt	15
			5	Citric acid	4
6	Etching agent	0.5
			7	Surface active agent	1

The preparation method for 100kg of the microcrystalline glass cleaning agent comprises the following steps:

weighing 53.5kg of deionized water (containing 2kg of water consumed for evaporation, the same applies below), and starting a stirrer (the rotating speed is 60-80 r/min);

weighing 18kg of potassium hydroxide, pouring into a stirring barrel, and stirring;

weighing 10kg of sodium gluconate, pouring into a stirring barrel, and stirring;

weighing 15kg of potassium sodium tartrate, pouring into a stirring barrel, and stirring;

when the temperature of the solution in the barrel is reduced to below 60 ℃, weighing 4kg of citric acid, pouring into a stirring barrel, and stirring;

weighing 0.5kg of etching agent and 1kg of surfactant, pouring into a barrel, uniformly stirring, and filling into the formed glass ceramic cleaning agent after the temperature in the barrel is reduced to 40 ℃.

Example three: the microcrystalline glass cleaning agent comprises the following components in percentage by mass:

serial number	Components	Content (W%) by weight
			1	Deionized water	47
2	Sodium hydroxide	15
			3	Sodium gluconate	15
4	Tartaric acid potassium sodium salt	15
			5	HEDP	6
6	Etching agent	0.5
			7	Surface active agent	1.5

The preparation method for 100kg of the microcrystalline glass cleaning agent comprises the following steps:

weighing 49kg of deionized water (containing 2kg of water consumed for evaporation, the same applies below), and starting a stirrer (the rotating speed is 60-80 rpm);

weighing 15kg of sodium hydroxide, pouring into a stirring barrel, and stirring;

weighing 15kg of sodium gluconate, pouring into a stirring barrel, and stirring;

weighing 15kg of potassium sodium tartrate, pouring into a stirring barrel, and stirring;

when the temperature of the solution in the barrel is reduced to below 60 ℃, 6kg of HEDP (hydroxyethylidene diphosphonic acid) is weighed and poured into a stirring barrel for stirring;

weighing 0.5kg of etching agent and 1.5kg of surfactant, pouring into a barrel, uniformly stirring, and filling into the formed glass ceramic cleaning agent after the temperature in the barrel is reduced to 40 ℃.

Example four:

the microcrystalline glass cleaning agent comprises the following components in percentage by mass:

serial number	Components	Content (W%) by weight
			1	Deionized water	49
2	Sodium hydroxide	6
			3	Potassium hydroxide	12
4	Sodium gluconate	15
			5	Tartaric acid potassium sodium salt	10
6	HEDP	6
			7	Etching agent	0.5
8	Surface active agent	1.5

The preparation method for 100kg of the microcrystalline glass cleaning agent comprises the following steps:

weighing 51kg of deionized water (containing 2kg of water consumed for evaporation, the same applies below), and starting a stirrer (the rotating speed is 60-80 rpm);

weighing 6kg of sodium hydroxide and 12kg of potassium hydroxide, pouring into a stirring barrel, and stirring;

weighing 15kg of sodium gluconate, pouring into a stirring barrel, and stirring;

weighing 10kg of sodium potassium tartrate, pouring into a stirring barrel, and stirring;

when the temperature of the solution in the barrel is reduced to below 60 ℃, 6kg of HEDP (hydroxyethylidene diphosphonic acid) is weighed and poured into a stirring barrel for stirring;

weighing 0.5kg of etching agent and 1.5kg of surfactant, pouring into a barrel, uniformly stirring, and filling into the formed glass ceramic cleaning agent after the temperature in the barrel is reduced to 40 ℃.

The microcrystalline glass cleaning agent disclosed by the invention is reasonable in formula, and the working specification is as follows:

1. the inorganic base in the formula is used as a main cleaning agent, and the larger the dosage of the inorganic base is, the stronger the capability of cleaning polishing powder is, but the stronger the corrosion to the microcrystalline glass is.

2. The complexing agent in the formula is a main cleaning agent, and the larger the dosage of the complexing agent is, the larger the cleaning power on the polishing powder is, and the longer the durability of the cleaning agent is.

3. The organic acid in the formula is used for reducing the pH value of the cleaning agent so as to reduce the corrosion of the cleaning agent to the microcrystalline glass.

4. The etchant in the formula is a main cleaning agent and has the functions of carrying out artificial weak corrosion on the microcrystalline glass under the alkaline condition and increasing the surface micro roughness of the microcrystalline glass, so that the adhesion between the AF film and the glass surface is improved, and the anti-friction requirement of the AF film is met.

5. The surfactant in the formula is used for reducing the surface tension of the cleaning agent so as to be beneficial to cleaning the polishing powder at the position of the clamp after the glass insert frame by the cleaning agent.

The method has the advantages that the balance point of the etching agent and the inorganic base is mastered, the alkalinity of the inorganic base is reduced by adding a certain amount of etching agent, and the complexing agent with excellent complexing performance is selected, so that the surface of the glass ceramics can be properly corroded while the polishing powder is cleaned, the corrosion phenomenon cannot be seen, and the production requirement is met.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles used, and any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the protective scope of the present invention.