CN111892841A - Deinking agent for optical glass, preparation method thereof and deinking method - Google Patents
Deinking agent for optical glass, preparation method thereof and deinking method Download PDFInfo
- Publication number
- CN111892841A CN111892841A CN202010869338.6A CN202010869338A CN111892841A CN 111892841 A CN111892841 A CN 111892841A CN 202010869338 A CN202010869338 A CN 202010869338A CN 111892841 A CN111892841 A CN 111892841A
- Authority
- CN
- China
- Prior art keywords
- optical glass
- deinking
- agent
- water
- alcohol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/005—Chemical paint or ink removers containing organic solvents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a deinking agent for optical glass, a preparation method thereof and a deinking method, wherein the deinking agent comprises the following components in percentage by weight: 10-20% of potassium hydroxide, 10-20% of alcohol amine, 5-15% of organic alcohol, 5-10% of alkyl glycoside, 0.1-1% of chelating agent and the balance of water. The deinking agent for the optical glass is prepared by compounding potassium hydroxide, alcohol amine, organic alcohol, alkyl glycoside, chelating agent and water according to a certain proportion, so that the functions are complementary and synergistic, an unexpected technical effect is obtained, the optical glass printing ink can be rapidly removed, the optical glass cannot be damaged, the problems of fogging, bluing, scratching and the like cannot occur after the optical glass is deinked, the optical glass does not need to be ground again after deinking treatment, and the deinking yield of the optical glass can be greatly improved.
Description
Technical Field
The invention relates to the field of deinking, and particularly relates to a deinking agent for optical glass, a preparation method thereof and a deinking method.
Background
Optical glass is a main material for manufacturing optical lenses and optical instruments. The optical glass is prepared by adding a small amount of photosensitive substances such as AgCl, AgBr and the like into a common borosilicate glass raw material, and then adding a very small amount of sensitizer such as CuO and the like, so that the glass becomes more sensitive to light. The optical glass must have a highly accurate refractive index, Abbe number, and high transparency, high uniformity.
Optical glass silk-screen printing ink is an important process in glass processing, and Logo, keys and patterns on the edge of glass such as a mobile phone touch screen, a tablet personal computer display screen and the like are formed by adopting a curing measure of the printing ink through the silk-screen printing process. The film formed by high-temperature curing of the ink has the characteristics of stable chemical property, strong oxidation resistance, strong corrosion resistance, excellent wear resistance and the like, and is widely applied to the fields of electronic products, medical equipment, scientific research equipment and the like.
After the optical glass is subjected to silk printing, defective products are generated due to the process. In order to save the production cost, the defective products after the silk-screen printing ink can be deinked, thereby achieving the purpose of recycling.
CN110616006A discloses a general deplating solution for removing a cover on the surface of cover plate glass, which comprises the following components by mass: inorganic base: 10 to 25 percent; organic base: 1 to 5 percent; organic solvent: 5 to 15 percent; corrosion inhibitor: 1 to 5 percent; surfactant (b): 0.5 to 5 percent; solubilizer: 1 to 5 percent; active agent(s): 1 to 5 percent; chelating dispersant: 1-10% of water, and the balance of water. The stripping solution has strong universality, and can strip various film layers on the surface of the cover plate glass, such as silk-screen printing ink, AR films, AF films and various metal coatings; the stripping liquid has high stripping speed and the stripping liquid is clean and thorough.
CN104987765A discloses a water-based deinking agent for smart phone glass and tablet computer glass and a preparation method thereof, wherein the water-based deinking agent comprises the following main components in parts by weight: 5-15 parts of stripping agent, 10-40 parts of penetrating agent, 5-15 parts of accelerating buffering agent, 10-20 parts of emulsifying solubilizer and 20-40 parts of water. The invention has simple manufacturing method, low cost and simple and convenient operation when in use. Meanwhile, the method has the advantages of small volatility, safety, no toxicity, high deinking speed and long service cycle.
CN105001703A discloses an environment-friendly optical glass deinking agent, which is an aqueous solution containing an alkaline compound, an inorganic assistant, an organic assistant and a high-flash-point organic solvent, wherein the alkaline compound is one or two of hydroxide and alkali metal salt of alcohol; the inorganic auxiliary agent is selected from one or more of metal carbonate, silicate and borate; the organic auxiliary agent is an amine compound; the high flash point organic solvent is one or two selected from alcohol ether compounds, polyhydric alcohols and derivatives of the polyhydric alcohols. The glass deinking agent provided by the invention is mainly used for removing silk-screen printing ink on flat glass, touch screens and other glass; for the ink to be removed, the deinking agent has good removal effect on single-layer black ink, multi-layer white ink, light-blocking ink, UV ink, shielding ink and the like.
CN104725926A discloses a mobile phone glass deinking agent and a preparation method thereof, wherein 100 parts by mass of the agent comprises the following components in parts by mass: 30-36 parts of a mixture of strong base and ethers, 0-3 parts of sodium silicate, 1-15 parts of alkyl glycoside APG and the balance of water; the mass ratio of the strong base to the ether mixture is 0.7-1.2: 1; the ether mixture is a mixture of ethylene glycol ethyl ether and ethylene glycol monobutyl ether, and the mass ratio of the ethylene glycol ethyl ether to the ethylene glycol monobutyl ether is 4-10: 1. The glass deinking agent has the advantages of low cost, simple process, stable property and strong removal force, the whole printing ink falls off and does not remain on the glass, and the dirt on the glass after deinking is water-soluble substances and is easy to clean.
However, in the process of implementing the embodiments of the present application, the inventors of the present application found that the above-mentioned technology has at least the following technical problems: the optical glass treated by the deinking agent has the problems of frosting, bluing, scratching and the like, and the optical glass can be continuously used as a white sheet finished product after being ground and enters the next procedure. Moreover, when the yield of the product after silk-screen printing is too low, the phenomenon of repeated reworking of the same product can occur, and after the same product is ground for multiple times, the thickness of the optical glass product can not meet the requirement directly, and only the condition of reimbursement processing can be reported.
Disclosure of Invention
The invention mainly aims to provide a deinking agent for optical glass, a preparation method thereof and a deinking method, aiming at solving the technical problems that the deinking agent in the prior art can cause the optical glass to generate frosting, blueing and scratches, and the optical glass needs to be ground again after being treated by the deinking agent.
The technical problem to be solved by the invention is realized by the following technical scheme:
the invention provides a deinking agent for optical glass, which comprises the following components in percentage by weight: 10-20% of potassium hydroxide, 10-20% of alcohol amine, 5-15% of organic alcohol, 5-10% of alkyl glycoside, 0.1-1% of chelating agent and the balance of water.
Optionally, the alcohol amine comprises one or more of monoethanolamine, diethanolamine, and triethanolamine.
Optionally, the organic alcohol comprises one or more of ethanol, glycerol, isopropanol, and benzyl alcohol.
Optionally, the alkyl glycoside is a C8-C16 alkyl glycoside.
Optionally, the chelating agent is one or more of EDTA-4Na, EDTA-2Na, HEDP-2Na, and HEDP-4 Na.
Optionally, the water is at least one of tap water, soft water, deionized water, and distilled water.
According to another aspect of the present invention, there is provided a method for preparing the above deinking agent for optical glass, comprising the steps of:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
According to another aspect of the present invention, there is provided a method for deinking optical glass, comprising the steps of:
preparing a deinking agent for optical glass;
soaking the optical glass coated with the printing ink in the deinking agent of the optical glass until the printing ink is removed;
and rinsing the optical glass with the ink removed by using clear water and drying.
Optionally, the soaking temperature is 85-92 ℃.
Optionally, the soaking time is 5-10 minutes.
The invention has the following beneficial effects:
the deinking agent for the optical glass is prepared by compounding potassium hydroxide, alcohol amine, organic alcohol, alkyl glycoside, chelating agent and water according to a certain proportion, so that the functions are complementary and synergistic, an unexpected technical effect is obtained, the optical glass printing ink can be rapidly removed, the optical glass cannot be damaged, the problems of fogging, bluing, scratching and the like cannot occur after the optical glass is deinked, the optical glass does not need to be ground again after deinking treatment, and the deinking yield of the optical glass can be greatly improved.
The deinking agent has simple preparation process, stable property, difficult volatilization, difficult decomposition and strong deinking force, the ink drops off in one piece and does not remain on the optical glass, and dirt on the optical glass after deinking is water-soluble substances and is very easy to rinse.
The water-based deinking agent disclosed by the invention does not contain toxic substances such as sulfur, nitrogen, phosphorus, chlorine, benzene, heavy metals and the like, contains organic substances with higher boiling point and small volatility, can be biodegraded, is mild in deinking condition, has no large pungent smell, is long in service life, and is safe and environment-friendly.
Detailed Description
The raw materials and equipment used in the invention are common raw materials and equipment in the field if not specified; the methods used in the present invention are conventional in the art unless otherwise specified.
Unless otherwise defined, terms used in the present specification have the same meaning as those generally understood by those skilled in the art, but in case of conflict, the definitions in the present specification shall control.
The use of "including," "comprising," "containing," "having," or other variations thereof herein, is meant to encompass the non-exclusive inclusion, as such terms are not to be construed. The term "comprising" means that other steps and ingredients can be added that do not affect the end result. The term "comprising" also includes the terms "consisting of …" and "consisting essentially of …". The compositions and methods/processes of the present invention comprise, consist of, and consist essentially of the essential elements and limitations described herein, as well as any of the additional or optional ingredients, components, steps, or limitations described herein.
All numbers or expressions referring to quantities of ingredients, process conditions, etc. used in the specification and claims are to be understood as modified in all instances by the term "about". All ranges directed to the same component or property are inclusive of the endpoints, and independently combinable. Because these ranges are continuous, they include every value between the minimum and maximum values. It should also be understood that any numerical range recited herein is intended to include all sub-ranges within that range.
As described in the background of the invention, the technical problems of the prior art that the optical glass is frosted, blued and scratched due to the deinking agent, and the optical glass needs to be ground again after being treated by the deinking agent exist. In order to solve the technical problems, the invention provides a deinking agent for optical glass, a preparation method thereof and a deinking method.
In a first aspect, the deinking agent for optical glass comprises the following components in percentage by weight: 10-20% of potassium hydroxide, 10-20% of alcohol amine, 5-15% of organic alcohol, 5-10% of alkyl glycoside, 0.1-1% of chelating agent and the balance of water.
In the embodiment of the present application, the content of potassium hydroxide is 10 to 20% by weight, for example, 10%, 11%, 12%, 14%, 15%, 16%, 18%, or 20%, or a range formed by these values.
In the prior art, inorganic base is usually added into the deinking agent to perform stripping, and the inorganic base usually comprises one or more of potassium hydroxide, sodium hydroxide, potassium carbonate and sodium carbonate. The inventor unexpectedly finds that the undesirable phenomena of fogging, blueing, scratching and the like after optical glass deinking can be reduced only by adopting potassium hydroxide as inorganic alkali to be compounded with other components.
In the embodiment of the present application, the amount of the alcohol amine is 10 to 20% by weight, for example, 10%, 11%, 12%, 14%, 15%, 16%, 18%, or 20%, or a range formed by these values.
In the examples of the present application, the alcohol amine is not particularly limited, and may be an alcohol amine known to those skilled in the art. Preferably, the alcohol amine includes one or more of monoethanolamine, diethanolamine, and triethanolamine.
It should be noted that, the references to "a plurality" in the present application may refer to a combination of several kinds of alcohol amine in any suitable ratio, and the present invention does not require the relationship of the amount ratio between these several kinds of alcohol amine.
In the embodiment of the present application, the organic alcohol is 5 to 15% by weight, for example, 5%, 6%, 8%, 9%, 10%, 12%, 14%, or 15%, or an interval range formed by these values.
In the examples of the present application, the organic alcohol is not particularly limited, and may be any organic alcohol known to those skilled in the art. Preferably, the organic alcohol comprises one or more of ethanol, glycerol, isopropanol, and benzyl alcohol.
It should be noted that the "plurality" referred to in this application may be a combination of several organic alcohols in any suitable ratio, and the present invention does not require the proportional relationship between the amounts of the several organic alcohols.
In the embodiment of the present application, the alkyl glycoside is 5 to 10% by weight, for example, 5%, 6%, 8%, 9%, or 10%, or a range formed by these values.
In the examples of the present application, the alkyl glycoside is not particularly limited, and those known to those skilled in the art may be used. Preferably, the alkyl glycoside is a C8-C16 alkyl glycoside.
It should be noted that alkyl glycoside (APG) is a condensation reaction product of a saccharide compound and a higher alcohol, and has a typical structural formula:
the term "C8-C16 alkylglycoside" as used herein means that R isC8-C16 alkyl.
In the invention, the addition of the alkyl glycoside can not only help each component to be perfectly dissolved in the alkaline solution, but also have high-efficiency cleaning capability, and reduce the cleaning difficulty of the subsequent section.
In the embodiment of the present application, the chelating agent is 0.1 to 1% by weight, and for example, may be 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.8%, or 1%, or an interval range formed by these values.
In the examples of the present application, the chelating agent is not particularly limited, and may be one known to those skilled in the art. Preferably, the chelating agent is one or more of EDTA-4Na, EDTA-2Na, hydroxyethylidene diphosphonic acid (HEDP), HEDP-2Na, and HEDP-4 Na.
It should be noted that the reference to "a plurality" in this application may refer to a combination of several chelating agents in any suitable ratio, and the present invention does not require a proportional relationship between the amounts of the chelating agents.
Because most optical glass is accompanied by the Logo of the mirror silver, the chelating agent is added in the invention, so that the mirror silver is more easily dissolved and shed, and the phenomenon of residue on the optical glass is avoided.
In the examples of the present application, the water is not particularly limited, and may be water known to those skilled in the art, and preferably, the water is at least one of tap water, soft water, deionized water, and distilled water.
The deinking agent for the optical glass is prepared by compounding potassium hydroxide, alcohol amine, organic alcohol, alkyl glycoside, chelating agent and water according to a certain proportion, so that the functions are complementary and synergistic, an unexpected technical effect is obtained, the optical glass printing ink can be rapidly removed, the optical glass cannot be damaged, the problems of fogging, bluing, scratching and the like cannot occur after the optical glass is deinked, the optical glass does not need to be ground again after deinking treatment, and the deinking yield of the optical glass can be greatly improved.
It can be understood that the technical effect of the invention is the sum of the synergistic effect of each component, the components have certain inherent correlation, and the effect of the invention is obtained by the mutual synergy and is inseparable, but the effect is not simple superposition of the effect of the single technical characteristics.
In a second aspect, there is provided a method for preparing the deinking agent for optical glass in the first aspect, comprising the steps of:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
In a third aspect, there is provided a method for deinking optical glass, comprising the steps of:
preparing a deinking agent for optical glass;
soaking the optical glass coated with the printing ink in the deinking agent of the optical glass until the printing ink is removed;
and rinsing the optical glass with the ink removed by using clear water and drying.
In the embodiment of the application, the soaking temperature is 85-92 ℃, and specifically can be 85 ℃, 86 ℃, 87 ℃, 88 ℃, 89 ℃, 90 ℃, 91 ℃ or 92 ℃.
In the embodiment of the application, the soaking time is 5-10 minutes, and specifically can be 5 minutes, 6 minutes, 7 minutes, 8 minutes, 9 minutes or 10 minutes.
In the embodiment of the present application, the condition parameters such as the specific temperature and time for drying are not particularly limited, and the surface of the optical glass may be completely dried.
The deinking agent for the optical glass has the advantages of simple preparation process, stable property and low cost. The deinking agent can be soaked for 5-10 minutes at 85-92 ℃ (such as 90 ℃) to rapidly remove the printing ink on the surface of the optical glass, and the deinked optical glass has no undesirable phenomena such as frosting, blueing and scratching.
In order to better understand the technical solutions, the technical solutions will be described in detail with reference to specific examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention.
Example 1
The deinking agent for optical glass comprises the following components in percentage by weight: 12% of potassium hydroxide, 12% of alcohol amine, 9% of organic alcohol, 6% of alkyl glycoside, 0.2% of chelating agent and the balance of water.
The alcohol amine is triethanolamine; the organic alcohol is glycerol and benzyl alcohol, and the mass ratio of the glycerol to the benzyl alcohol is 4: 5; the alkyl glycoside is C8-C16; the chelating agent is EDTA-4 Na; the water is deionized water.
The preparation method of the deinking agent for the optical glass comprises the following steps:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
Example 2
The deinking agent for optical glass comprises the following components in percentage by weight: 10% of potassium hydroxide, 10% of alcohol amine, 10% of organic alcohol, 5% of alkyl glycoside, 0.4% of chelating agent and the balance of water.
The alcohol amine is diethanol amine; the organic alcohol is isopropanol and benzyl alcohol, and the mass ratio of the isopropanol to the benzyl alcohol is 4: 6; the alkyl glycoside is C8-C16; the chelating agent is EDTA-4 Na; the water is distilled water.
The preparation method of the deinking agent for the optical glass comprises the following steps:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
Example 3
The deinking agent for optical glass comprises the following components in percentage by weight: 15% of potassium hydroxide, 13% of alcohol amine, 6% of organic alcohol, 8% of alkyl glycoside, 1% of chelating agent and the balance of water.
The alcohol amine is monoethanolamine; the organic alcohol is ethanol and benzyl alcohol, and the mass ratio of the ethanol to the benzyl alcohol is 3: 3; the alkyl glycoside is C8-C16; the chelating agent is HEDP; the water is tap water; .
The preparation method of the deinking agent for the optical glass comprises the following steps:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
Example 4
The deinking agent for optical glass comprises the following components in percentage by weight: 20% of potassium hydroxide, 15% of alcohol amine, 5% of organic alcohol, 6% of alkyl glycoside, 0.5% of chelating agent and the balance of water.
The alcohol amine comprises monoethanolamine and triethanolamine, and the mass ratio of the monoethanolamine to the triethanolamine is 5: 10; the organic alcohol is glycerol; the alkyl glycoside is C8-C16; the chelating agent is EDTA-2 Na; the water is soft water.
The preparation method of the deinking agent for the optical glass comprises the following steps:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
Example 5
The deinking agent for optical glass comprises the following components in percentage by weight: 10% of potassium hydroxide, 16% of alcohol amine, 10% of organic alcohol, 5% of alkyl glycoside, 0.8% of chelating agent and the balance of water.
The alcohol amine comprises diethanolamine and triethanolamine, and the mass ratio of the diethanolamine to the triethanolamine is 6: 10; the organic alcohol is benzyl alcohol; the alkyl glycoside is C8-C16; the chelating agent is HEDP-2 Na; the water is deionized water.
The preparation method of the deinking agent for the optical glass comprises the following steps:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
Example 6
The deinking agent for optical glass comprises the following components in percentage by weight: 14% of potassium hydroxide, 15% of alcohol amine, 6% of organic alcohol, 6% of alkyl glycoside, 0.5% of chelating agent and the balance of water.
The alcohol amine is monoethanolamine and diethanolamine, and the mass ratio of the monoethanolamine to the diethanolamine is 10: 5; the organic alcohol is isopropanol; the alkyl glycoside is C8-C16; the chelating agent is EDTA-4 Na; the water is distilled water.
The preparation method of the deinking agent for the optical glass comprises the following steps:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
Example 7
The deinking agent for optical glass comprises the following components in percentage by weight: 18% of potassium hydroxide, 10% of alcohol amine, 13% of organic alcohol, 8% of alkyl glycoside, 0.5% of chelating agent and the balance of water.
The alcohol amine is triethanolamine; the organic alcohol comprises ethanol and glycerol, and the mass ratio of the ethanol to the glycerol is 5: 8; the alkyl glycoside is C8-C16; the chelating agent HED; the water is deionized water.
The preparation method of the deinking agent for the optical glass comprises the following steps:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
Example 8
The deinking agent for optical glass comprises the following components in percentage by weight: 15% of potassium hydroxide, 12% of alcohol amine, 8% of organic alcohol, 10% of alkyl glycoside, 0.3% of chelating agent and the balance of water.
The alcohol amine comprises monoethanolamine and triethanolamine, and the mass ratio of the monoethanolamine to the triethanolamine is 6: 6; the organic alcohol comprises glycerol and benzyl alcohol, and the mass ratio of the glycerol to the benzyl alcohol is 4: 4; the alkyl glycoside is C8-C16; the chelating agent is HEDP-4 Na; the water is soft water.
The preparation method of the deinking agent for the optical glass comprises the following steps:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
Comparative example 1
Based on example 1, the difference is only that: the present reference 1 includes the following components: 12% of sodium hydroxide, 12% of alcohol amine, 9% of organic alcohol, 6% of alkyl glycoside, 0.2% of chelating agent and the balance of water.
Comparative example 2
Based on example 1, the difference is only that: the present reference 2 includes the following components: 12% of potassium hydroxide, 21% of organic alcohol, 6% of alkyl glycoside, 0.2% of chelating agent and the balance of water.
Comparative example 3
Based on example 1, the difference is only that: the present reference 3 includes the following components: 12% of potassium hydroxide, 21% of alcohol amine, 6% of alkyl glycoside, 0.2% of chelating agent and the balance of water.
Comparative example 4
Based on example 1, the difference is only that: this reference 4 includes the following components: 12% of potassium hydroxide, 12% of alcohol amine, 9% of organic alcohol, 6.2% of alkyl glycoside and the balance of water.
Comparative example 5
Based on example 1, the difference is only that: the present reference 5 includes the following components: 12% of potassium hydroxide, 12% of alcohol amine, 9% of organic alcohol, 6.2% of chelating agent and the balance of water.
Comparative example 6
The stripping solution of example 3 in CN110616006A was used.
Comparative example 7
The deinking agent of example 5 in CN104725926A was used.
Test example
In order to verify the performance of the product of the invention, the deinking agents prepared in examples 1 to 8 and comparative examples 1 to 7 were respectively subjected to relevant performance tests, and each example tested 100 optical glasses coated with ink in parallel, and the specific method was as follows:
soaking the optical glass coated with the printing ink in a deinking agent of the optical glass until the printing ink is removed, wherein the soaking temperature is 90 ℃; and rinsing the optical glass with the ink removed by using clear water and drying. And (3) detecting the time and the state of the ink falling off from the optical glass, checking the cleanliness, the frosting, the bluing and the scratching of the deinked optical glass, counting the yield, and referring to the test results in table 1.
Wherein, the soaking temperature is tested by adopting a temperature testing instrument which is Shanghai good DK-8 AS. Digital display, microcomputer control, temperature range RT + 5-99 deg.C, temperature resolution +/-0.1 deg.C, and constant temperature fluctuation +/-0.5 deg.C.
TABLE 1 test results
| Soaking time | Cleanliness | Defective rate (frosting, bluing, scratching) | |
| Example 1 | 6 minutes and 34 seconds | 97.7％ | 2％ |
| Example 2 | 7 minutes and 19 seconds | 97.1％ | 1％ |
| Example 3 | 5 minutes and 47 seconds | 99.5％ | 2％ |
| Example 4 | 6 minutes and 11 seconds | 98.2％ | 2％ |
| Example 5 | 6 minutes and 14 seconds | 97.9％ | 1％ |
| Example 6 | 6 minutes and 07 seconds | 99.9％ | 1％ |
| Example 7 | 6 minutes and 22 seconds | 98.6％ | 2％ |
| Example 8 | 5 minutes and 15 seconds | 99.3％ | 1％ |
| Comparative example 1 | 6 minutes and 55 seconds | 97.1％ | 10％ |
| Comparative example 2 | 8 minutes 03 seconds | 95.3％ | 15％ |
| Comparative example 3 | 5 minutes and 55 seconds | 97.3％ | 18％ |
| Comparative example 4 | 8 minutes and 13 seconds | 95.7％ | 20％ |
| Comparative example 5 | 8 minutes and 54 seconds | 94.8％ | 18％ |
| Comparative example 6 | 8 minutes and 25 seconds | 98.5％ | 22％ |
| Comparative example 7 | 25 minutes and 15 seconds | 97.8％ | 24％ |
The above-mentioned embodiments only express the embodiments of the present invention, and the description is more specific and detailed, but not understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by using the equivalent substitution or the equivalent transformation should fall within the protection scope of the present invention.
Claims (10)
1. The deinking agent for optical glass is characterized by comprising the following components in percentage by weight: 10-20% of potassium hydroxide, 10-20% of alcohol amine, 5-15% of organic alcohol, 5-10% of alkyl glycoside, 0.1-1% of chelating agent and the balance of water.
2. The deinking agent for optical glass according to claim 1, wherein the alcohol amine comprises one or more of monoethanolamine, diethanolamine, and triethanolamine.
3. The deinking agent for optical glass according to claim 1, wherein the organic alcohol comprises one or more of ethanol, glycerin, isopropyl alcohol, and benzyl alcohol.
4. The deinking agent for optical glass according to claim 1, wherein the alkyl glycoside is a C8-C16 alkyl glycoside.
5. The deinking agent for optical glass according to claim 1, wherein the chelating agent is one or more of EDTA-4Na, EDTA-2Na, HEDP-2Na, and HEDP-4 Na.
6. The deinking agent for optical glass according to claim 1, wherein the water is at least one of tap water, soft water, deionized water and distilled water.
7. A process for producing a deinking agent for optical glass according to any one of claims 1 to 6, characterized by comprising the steps of:
weighing the components according to the mass percentage;
adding potassium hydroxide into water, and stirring until the potassium hydroxide is completely dissolved to form a first mixture;
adding the chelating agent into the first mixture, and stirring until the chelating agent is completely dissolved to form a second mixture;
and adding the alcohol amine, the organic alcohol and the alkyl glycoside into the second mixture, and uniformly stirring.
8. A method for deinking optical glass, comprising the steps of:
preparing a deinking agent for an optical glass according to any one of claims 1 to 6;
soaking the optical glass coated with the printing ink in the deinking agent of the optical glass until the printing ink is removed;
and rinsing the optical glass with the ink removed by using clear water and drying.
9. The method for deinking an optical glass according to claim 8, wherein the soaking temperature is 85 to 92 ℃.
10. The method for deinking an optical glass according to claim 8, wherein the soaking time is 5 to 10 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869338.6A CN111892841A (en) | 2020-08-25 | 2020-08-25 | Deinking agent for optical glass, preparation method thereof and deinking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010869338.6A CN111892841A (en) | 2020-08-25 | 2020-08-25 | Deinking agent for optical glass, preparation method thereof and deinking method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111892841A true CN111892841A (en) | 2020-11-06 |
Family
ID=73224216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010869338.6A Pending CN111892841A (en) | 2020-08-25 | 2020-08-25 | Deinking agent for optical glass, preparation method thereof and deinking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111892841A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113980509A (en) * | 2021-10-08 | 2022-01-28 | 深圳市信濠光电科技股份有限公司 | Ink removing solution, preparation method and plate ink removing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104987765A (en) * | 2015-07-30 | 2015-10-21 | 三峡大学 | Water-based deinking agent and preparation method thereof |
| CN108219987A (en) * | 2016-12-22 | 2018-06-29 | 蓝思科技（长沙）有限公司 | A kind of glass cleaner after silk-screen mirror-like silver and preparation method thereof |
| CN110616006A (en) * | 2019-10-12 | 2019-12-27 | 深圳飞世尔新材料股份有限公司 | Universal deplating liquid for removing cover on glass surface of cover plate and deplating method thereof |
| CN111233346A (en) * | 2018-11-28 | 2020-06-05 | 惠州比亚迪电子有限公司 | Deplating agent and preparation method, deplating method and application thereof |
-
2020
- 2020-08-25 CN CN202010869338.6A patent/CN111892841A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104987765A (en) * | 2015-07-30 | 2015-10-21 | 三峡大学 | Water-based deinking agent and preparation method thereof |
| CN108219987A (en) * | 2016-12-22 | 2018-06-29 | 蓝思科技（长沙）有限公司 | A kind of glass cleaner after silk-screen mirror-like silver and preparation method thereof |
| CN111233346A (en) * | 2018-11-28 | 2020-06-05 | 惠州比亚迪电子有限公司 | Deplating agent and preparation method, deplating method and application thereof |
| CN110616006A (en) * | 2019-10-12 | 2019-12-27 | 深圳飞世尔新材料股份有限公司 | Universal deplating liquid for removing cover on glass surface of cover plate and deplating method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 朱洪法: "《催化剂手册》", 31 August 2008, 金盾出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113980509A (en) * | 2021-10-08 | 2022-01-28 | 深圳市信濠光电科技股份有限公司 | Ink removing solution, preparation method and plate ink removing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102200700B (en) | Stripping liquid as well as preparation method and application | |
| TW538306B (en) | Photoresist remover composition | |
| JPH04124668A (en) | Peeling agent compound for resist | |
| KR20060117666A (en) | Stripper composition for photoresist | |
| TW439013B (en) | Photoresist stripping composition | |
| CN111892841A (en) | Deinking agent for optical glass, preparation method thereof and deinking method | |
| KR101051438B1 (en) | Photoresist stripper composition and photoresist stripping method using the same | |
| CN109097201B (en) | Photoresist removing liquid and preparation method and application thereof | |
| CN108929808A (en) | The cleaning method of lead-free solder solder flux cleansing composition, lead-free solder solder flux | |
| US4438192A (en) | Photoresist stripper composition and method of use | |
| CN1162525C (en) | Water-base composite detergent for liquid crystal | |
| CN101246315B (en) | Photoresist cleaning fluid composition and its application | |
| JP7320839B2 (en) | How to use rinse agent and rinse agent | |
| US4483917A (en) | Photoresist stripper composition and method of use | |
| CN103755147A (en) | Etching liquid and preparation method and application thereof | |
| CN106282984A (en) | Anti-silver tarnish agent | |
| JP2579401B2 (en) | Detergent composition | |
| CN109735397A (en) | A kind of LED Sapphire Substrate paraffin removal removes particle cleaning agent, preparation method, purposes and cleaning method | |
| CN113003942B (en) | Environment-friendly glass etching solution and preparation method and application thereof | |
| CN103019049B (en) | Stripping agent containing alkylamide mixture | |
| KR101837780B1 (en) | A composition for removing organic-inorganic hybrid alignment layer | |
| KR102622751B1 (en) | Composition for cleaning mask and method for cleaning mask using the same | |
| KR20170027029A (en) | Stripping compostion for window glass protecting coating layer and stripping method of protecting coating layer using the same | |
| KR102153087B1 (en) | Composition for cleaning substrate of display device and preparing method of display device using the same | |
| CN115874184A (en) | Organic film removing liquid and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201106 |