阅读说明：本技术 一种玻璃清洗组合物及其制备方法 (glass cleaning composition and preparation method thereof ) 是由 袁小碧 于 2019-11-08 设计创作，主要内容包括：本发明提供了一种玻璃清洗组合物,其特征在于,包括水和：无机碱5～15重量份、有机碱0～5重量份、分散剂10～20重量份、低泡表面活性剂5～8重量份、螯合剂5～8重量份；所述分散剂包括多聚磷酸钠、聚丙烯酸(盐)、聚甲基丙烯酸中一种或多种与亚甲基双萘磺酸盐组合。本发明采用亚甲基双萘磺酸盐与其它分散剂复配,亚甲基双萘磺酸盐在无机强碱条件下对于顽固性脏污印、磨粉印等去除效果很好且去除彻底,清洗后的3D玻璃表面用强光手电检验,玻璃平面及弧边位置均无可见脏污印迹残留,很好的满足了后工序对于表面洁净度的高要求；同时采用表面活性剂能够满足低泡的清洗要求,其本身属低泡至无泡活性剂,在一定温度下对其它活性剂有抑泡、消泡作用。(The invention provides glass cleaning compositions, which are characterized by comprising water, 5-15 parts by weight of inorganic alkali, 0-5 parts by weight of organic alkali, 10-20 parts by weight of dispersing agent, 5-8 parts by weight of low-foaming surfactant and 5-8 parts by weight of chelating agent, wherein the dispersing agent comprises or more of sodium polyphosphate, polyacrylic acid (salt) and polymethacrylic acid and methylene dinaphthalenesulfonate.)

1, A glass cleaning composition, comprising water and:

5-15 parts of inorganic base, 0-5 parts of organic base, 10-20 parts of dispersing agent, 5-8 parts of low-foaming surfactant and 5-8 parts of chelating agent;

the dispersing agent comprises or more of sodium polyphosphate, polyacrylic acid (salt) and polymethacrylic acid and methylene dinaphthalene sulfonate.

2. The composition of claim 1, wherein the inorganic base is or both of sodium hydroxide, potassium hydroxide, and potassium carbonate.

3. The composition of claim 1, wherein the organic base is triethanolamine.

4. The composition of claim 1, wherein the low foaming surfactant is or more selected from sodium fatty acid methyl ester polyoxyethylene ether sulfate, sodium cumene sulfonate, ethylene glycol EO/PO copolymer, and alkylphenol polyoxyethylene ether phosphate.

5. The composition of claim 1, wherein the chelating agent is or more of sodium gluconate, sodium citrate, and tetrasodium hexanediaminetetraacetate.

6. The composition of claim 1, wherein the glass cleaning composition comprises water and:

5-15 parts of inorganic base, 1-5 parts of organic base, 12-18 parts of dispersing agent, 6-8 parts of low-foaming surfactant and 6-8 parts of chelating agent.

7. The composition of claim 6, wherein the glass cleaning composition comprises water and:

6-13 parts of inorganic base, 2-5 parts of organic base, 12-16 parts of dispersing agent, 6-7 parts of low-foaming surfactant and 6-7 parts of chelating agent.

8, glass cleaning products comprising the composition of any of claims 1-7 to .

A method of preparing the glass cleaning composition of claim 1, comprising:

A) mixing inorganic base, organic base and water to obtain th solution;

B) mixing a chelating agent, a dispersing agent and the th solution to obtain a second solution;

C) and mixing the low-foaming surfactant with the second solution, stirring, and standing to obtain the glass cleaning composition.

10. The preparation method according to claim 9, wherein the stirring time in the step C) is 4-6 h; the standing time is 2-4 h.

Technical Field

The invention relates to the technical field of glass cleaning agents, in particular to glass cleaning compositions and a preparation method thereof.

Background

With the continuous development of the mobile phone industry, 3D glass becomes the mainstream product of mobile phone cover plate glass, the updating of the product puts higher requirements on a cleaning agent and a cleaning process, and the arc edge position of (3D) CG glass is more difficult to clean than that of 2D or 2.5D CG glass.

Along with the continuous increase of labor cost and the gradual improvement of a CG glass processing technology, glass is generally manually inserted into a cleaning frame before conventional ultrasonic cleaning, inspection is carried out on the glass one by one after the cleaning is finished, the glass is not easy to grab by a 3D glass machine, automation cannot be realized, the cleaning efficiency is influenced, and the scratch and damage of the arc edge of the 3D glass are increased due to the inserting/fetching action.

The existing flat plate cleaning agent (3D) CG glass has poor cleaning effect on the arc edge position, the yield is low (less than 90%) when the flat plate cleaning machine is adopted for cleaning at present, the cleaning time of the flat plate cleaning machine is shortened, the cleaning agent with poor cleaning effect is matched, the same cleanliness of ultrasonic cleaning is difficult to achieve, and higher challenges are provided for the cleaning agent and the cleaning process.

Disclosure of Invention

In view of the above, the technical problem to be solved by the present invention is to provide glass cleaning compositions, and the glass cleaning compositions provided by the present invention have good cleaning effect on 3D CG glass and high cleanliness.

The invention provides glass cleaning compositions, which are characterized by comprising water and:

5-15 parts of inorganic base, 0-5 parts of organic base, 10-20 parts of dispersing agent, 5-8 parts of low-foaming surfactant and 5-8 parts of chelating agent;

the dispersing agent comprises or more of sodium polyphosphate, polyacrylic acid (salt) and polymethacrylic acid and methylene dinaphthalene sulfonate.

Preferably, the inorganic base is or two of sodium hydroxide, potassium hydroxide and potassium carbonate.

Preferably, the organic base is triethanolamine.

Preferably, the low-foaming surfactant is or more of fatty acid methyl ester polyoxyethylene ether sodium sulfate, sodium cumenesulfonate, ethylene glycol EO/PO copolymer and alkylphenol polyoxyethylene ether phosphate.

Preferably, the chelating agent is or more of sodium gluconate, sodium citrate and EDTA-4 Na.

Preferably, the glass cleaning composition is characterized by comprising water and:

5-15 parts of inorganic base, 1-5 parts of organic base, 12-18 parts of dispersing agent, 6-8 parts of low-foaming surfactant and 6-8 parts of chelating agent.

Preferably, the 3D CG glass cleaning composition is characterized by comprising water and:

6-13 parts of inorganic base, 2-5 parts of organic base, 12-16 parts of dispersing agent, 6-7 parts of low-foaming surfactant and 6-7 parts of chelating agent.

The invention provides glass cleaning products comprising the composition of any of of the above claims.

The invention provides preparation methods of the glass cleaning composition in the technical scheme, which comprise the following steps:

A) mixing inorganic base, organic base and water to obtain th solution;

B) mixing a chelating agent, a dispersing agent and the th solution to obtain a second solution;

C) and mixing the low-foaming surfactant with the second solution, stirring, and standing to obtain the 3D CG glass cleaning composition.

Preferably, the stirring time in the step C) is 4-6 h; the standing time is 2-4 h.

Compared with the prior art, the glass cleaning compositions are characterized by comprising water, 5-15 parts by weight of inorganic alkali, 0-5 parts by weight of organic alkali, 10-20 parts by weight of dispersing agent, 5-8 parts by weight of low-foaming surfactant and 05-8 parts by weight of chelating agent, wherein the dispersing agent comprises or more of sodium polyphosphate, polyacrylic acid (salt) and polymethacrylic acid and methylene dinaphthalenesulfonate, the dispersing agent is compounded with other dispersing agents, the methylene dinaphthalene sulfonate has good removal effect and thorough removal effect on intractable dirty marks, milled marks and the like under the action of inorganic strong alkali, the dispersing agent is adopted to assist inorganic alkali to clean, oil stains are better dispersed and fall off products under the synergistic cooperation of the dispersing agent, the dispersing agent is adopted to enable the oil stains to better disperse and fall off products, the low-foaming surfactant is adopted to cooperate with the action of the chelating agent, the low-foaming surfactant is adopted to enable CG, wetting effect and wetting effect of the chelating agent to be more easily fall off CG, CG is easily cleaned by an automatic cleaning machine under the synergistic cleaning effect of strong light, CG is not only after the cleaning agent is added, the cleaning agent is used for cleaning of a high-free from CG, the cleaning agent is used for cleaning efficiency of CG, the cleaning agent is not only after the cleaning agent is used for cleaning of CG, the cleaning machine, the cleaning agent is not only after the cleaning agent is used for cleaning of a cleaning machine, the cleaning machine is used for cleaning machine, the cleaning machine is used for cleaning machine, the cleaning machine is used for cleaning machine, the.

Detailed Description

The present invention provides kinds of 3D CG glass cleaning compositions and the preparation method thereof, which can be realized by the persons skilled in the art with reference to the content of the present invention and suitable modification of the process parameters.

The invention provides glass cleaning compositions, which are characterized by comprising water and:

5-15 parts of inorganic base, 0-5 parts of organic base, 10-20 parts of dispersing agent, 5-8 parts of low-foaming surfactant and 5-8 parts of chelating agent;

the dispersing agent comprises or more of sodium polyphosphate, polyacrylic acid (salt) and polymethacrylic acid and methylene dinaphthalene sulfonate.

The 3D CG glass cleaning composition is suitable for 3DCG glass, and especially suitable for 3D glass of a mobile phone cover plate. Mainly for the stain category: grinding marks, macromolecular oil stains, handprints and other stains. The invention is not limited to smudge and dust marks, as will be appreciated by those skilled in the art; marks can be left on the glass by oil stains; abrasive marking is the marking of the abrasive powder on the glass.

The 3D CG glass cleaning composition provided by the invention comprises 5-15 parts by weight of inorganic alkali; preferably 3 to 13 parts by weight of an inorganic base; more preferably, the inorganic base is contained in an amount of 7 to 11 parts by weight.

The inorganic base is preferably or two of sodium hydroxide, potassium hydroxide and potassium carbonate, and the inorganic base is not limited in the invention and can be commercially available as is well known to those skilled in the art.

The organic base of the present invention is optionally added. The 3D CG glass cleaning composition provided by the invention comprises 0-5 parts by weight of organic alkali; preferably 1 to 5 parts by weight of an organic base; more preferably 2 to 5 parts by weight of an organic base.

The organic base according to the invention is preferably triethanolamine. The present invention is not limited to the source thereof, and may be commercially available as is well known to those skilled in the art.

According to the invention, through the compounding of the organic base and the inorganic base, the effect of emulsification and the like is realized under the condition of inorganic strong base, so that the removal effect on intractable dirty marks, milled marks and the like is good and thorough, and meanwhile, the washing assisting effect of the organic base is adopted to assist the inorganic base in cleaning, and the pH value can be adjusted, so that the glass product is cleaned under the proper pH value, and the glass product is protected.

The 3D CG glass cleaning composition provided by the invention comprises 10-20 parts by weight of a dispersing agent; preferably, the dispersant comprises 12 to 18 parts by weight of dispersant; more preferably, the dispersant is included in an amount of 12 to 16 parts by weight.

The dispersant of the invention comprises or more of sodium polyphosphate, polyacrylic acid (salt) and polymethacrylic acid and methylene dinaphthalene sulfonate.

The specific proportion of or more of the sodium polyphosphate, the methylene dinaphthalene sulfonate, the polyacrylic acid (salt) and the polymethacrylic acid in combination with the methylene dinaphthalene sulfonate is not limited, preferably (4-8): 6-8.

According to the invention, the methylene dinaphthalene sulfonate is compounded with other dispersants, so that oil stains can be better dispersed and fall off from the product under the condition of inorganic strong alkali, the removal effect on intractable dirty marks, milled marks and the like is good and thorough, the cleaned 3D glass surface is inspected by a highlight flashlight, no visible dirty mark residue exists on the plane and the arc edge of the glass, and the high requirement of the post-process on the surface cleanliness is well met. The 3D CG glass cleaning composition provided by the invention comprises 5-8 parts by weight of a low-foaming surfactant; preferably 6-8 parts by weight of a low-foaming surfactant; more preferably, the low-foaming surfactant is 6-7 parts by weight.

The low-foaming surfactant is preferably or more of fatty acid methyl ester polyoxyethylene ether sodium sulfate, cumyl sodium sulfonate, ethylene glycol EO/PO copolymer and alkylphenol polyoxyethylene ether phosphate, and more preferably or more of fatty acid methyl ester polyoxyethylene ether sodium sulfate, cumyl sodium sulfonate and alkylphenol polyoxyethylene ether phosphate is compounded with the ethylene glycol EO/PO copolymer.

The specific proportion of or more of fatty acid methyl ester polyoxyethylene ether sodium sulfate, sodium cumenesulfonate and alkylphenol polyoxyethylene ether phosphate and the ethylene glycol EO/PO copolymer is not limited, and preferably (1-4) to (3-5).

The surfactant disclosed by the invention is preferably compounded by ethylene glycol EO/PO copolymer and other active agents, can meet the requirement of low-foam cleaning, belongs to a low-foam to non-foam active agent, and has foam inhibition and defoaming effects on the other active agents at a constant temperature of .

The 3D CG glass cleaning composition provided by the invention comprises 5-8 parts by weight of chelating agent; preferably 6 to 8 parts by weight of a chelating agent; more preferably, the chelating agent is included in an amount of 6 to 7 parts by weight.

The chelating agent is or more of sodium gluconate, sodium citrate and EDTA-4 Na.

The 3D CG glass cleaning composition provided by the invention comprises water, wherein when the total amount is 100%, the parts by weight are equal to the weight percentage, and the balance of water is water.

The 3D CG glass cleaning composition in preferred embodiments of the invention comprises water and:

5-15 parts of inorganic base, 1-5 parts of organic base, 12-18 parts of dispersing agent, 6-8 parts of low-foaming surfactant and 6-8 parts of chelating agent.

The 3D CG glass cleaning composition in preferred embodiments of the invention comprises water and:

6-13 parts of inorganic base, 2-5 parts of organic base, 12-16 parts of dispersing agent, 6-7 parts of low-foaming surfactant and 6-7 parts of chelating agent.

The invention provides 3D CG glass cleaning products, which comprise the composition of any of the technical scheme.

The cleaning product disclosed by the invention is diluted to 20-30 times for use as recommended by a cleaning agent, has a good effect of removing milling marks, high-polymer oily dirt, finger marks and other dirt, is easy to rinse, has no residue, and can meet the cleanliness requirement required by CG glass cleaning; meanwhile, the cleaning agent has extremely low foam, glass does not slip or deviate in the cleaning process, the use requirement of a flat plate cleaning machine can be met, and the cleaning agent is efficiently suitable for a continuous automatic production process of CG glass; the cleaning agent has good timeliness, the cleaning yield can still be kept above 98% after 24 hours of work, the use amount of the cleaning agent can be effectively reduced, and the cost is saved.

The invention provides preparation methods of the 3D CG glass cleaning composition according to the technical scheme, which comprise the following steps:

A) mixing inorganic base, organic base and water to obtain th solution;

B) mixing a chelating agent, a dispersing agent and the th solution to obtain a second solution;

C) and mixing the low-foaming surfactant with the second solution, stirring, and standing to obtain the 3DCG glass cleaning composition.

The 3D CG glass cleaning composition provided by the invention is prepared by mixing inorganic base, organic base and water to obtain th solution.

The inorganic base and the organic base are preferably added into water to be dissolved, and the solution is stood for cooling and is cooled to below 50 ℃ to obtain th solution.

And mixing the chelating agent, the dispersing agent and the th solution to obtain a second solution, preferably adding the chelating agent and the dispersing agent into the th solution, and stirring for dissolving to obtain the second solution.

The present invention is not limited to the specific operation of stirring and dissolving, and those skilled in the art will be familiar with the operation.

And mixing the low-foaming surfactant with the second solution, stirring, and standing to obtain the 3D CG glass cleaning composition.

According to the invention, preference is given in particular to:

adding a low-foaming surfactant into the second solution, and stirring for 4-6 hours to obtain a third solution.

Stopping stirring, standing the third solution for 2-4 h, and cooling to room temperature to obtain the clear and transparent 3DCG glass cleaning composition.

The components and the proportion of the components are clearly described in the invention, and the details are not repeated.

The invention adopts the methylene dinaphthalene sulfonate to be compounded with other dispersants, the methylene dinaphthalene sulfonate has good and thorough removal effect on intractable dirty marks, milled marks and the like under the action of inorganic strong alkali, and simultaneously adopts the washing-assistant action of organic alkali to assist the inorganic alkali to clean, and the dispersants of the invention are adopted to cooperatively lead the oil stains to be better dispersed and dropped from the product; through the emulsification and wetting effects of the low-foaming surfactant and the action of the chelating agent, the low-foaming surfactant is matched with inorganic alkali and the like, so that milled powder, dust and the like are easy to fall off. The 3D CG glass cleaning composition disclosed by the invention is low in slotting concentration, can effectively wet the CG glass surface, soften dirt, and effectively remove various kinds of dirt under the synergistic action of the disc brush and the brush, meanwhile, the detergent is very easy to rinse, no detergent residue is left on the CG glass surface after cleaning and drying, and the high light flashlight inspection yield reaches more than 98.5%; the working solution has high timeliness, and the cleaning yield can still be kept above 98% after the working solution is added once and continuously works for 24 hours; the cleaning agent has controllable foam in the flat plate cleaning machine, the cleaning agent has no damage to CG glass in the cleaning process, and the glass does not slip or deviate when passing through a machine table, so that the cleaning agent can accurately correspond to an automatic sheet placing machine and an automatic sheet collecting machine in front of and behind the flat plate cleaning machine, and automatic production is realized.

The invention provides a cleaning agent for a flat plate cleaning machine, which can replace the original ultrasonic cleaning, meet the requirement of cleanliness, reduce labor cost, realize continuous operation and improve the yield of products.

The production and processing flow comprises the following steps: white piece-cleaning-silk-screen printing/yellow light-inspection

Cleaning equipment: flat type high pressure spray cleaning machine (rear name flat plate cleaning machine)

Flat plate type cleaning principle and cleaning process

The cleaning principle is as follows: the cleaning agent loosens and softens various stains on the surface of the glass through wetting and permeating actions, the stains are removed from the surface of the glass through external force actions such as a brush and high-pressure spraying, the cleaned stains flow back to a water tank of the flat plate cleaning machine along with the cleaning agent and are filtered by a microporous filter element (the aperture of the filter element is 0.1-10 mu m), the filtered cleaning agent is sprayed and cleaned again through a water pump, and the process is repeated.

Cleaning process parameter description:

remarking: the conveying speed of the flat plate cleaning machine in the working process is 2.0 +/-0.5 m/min.

The disc brush and the rolling brush are matched, so that the brush is in greater contact with a product, the action direction is more , and the dirt on the surface of the glass is promoted to fall off to meet the requirement of cleaning cleanliness.

Major fouling categories: grinding marks, macromolecular oil stains, handprints and other stains.

The cleaning agent prepared by the preparation method disclosed by the invention has the advantages of uniform appearance of , clarity, transparency, low foam of working solution of the cleaning agent, good effect of removing intractable dirty marks, high surface cleanliness after cleaning and contribution to post-process processing and circulation.

In order to further illustrate the present invention, the 3D CG glass cleaning compositions and methods for making the same provided by the present invention are described in detail below with reference to the examples.