CN114214125A - Optical resin lens mold cleaning agent - Google Patents
Optical resin lens mold cleaning agent Download PDFInfo
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- CN114214125A CN114214125A CN202111607316.3A CN202111607316A CN114214125A CN 114214125 A CN114214125 A CN 114214125A CN 202111607316 A CN202111607316 A CN 202111607316A CN 114214125 A CN114214125 A CN 114214125A
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- Prior art keywords
- cleaning agent
- ether
- resin lens
- optical resin
- lens mold
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/662—Carbohydrates or derivatives
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/825—Mixtures of compounds all of which are non-ionic
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2006—Monohydric alcohols
- C11D3/201—Monohydric alcohols linear
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2068—Ethers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2079—Monocarboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2093—Esters; Carbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/43—Solvents
Abstract
An optical resin lens mold cleaning agent comprises the following components: 20-30 wt% of alcohol ether solvent, 5-10 wt% of nonionic surfactant, 5-10 wt% of dibasic ester, 10-18 wt% of dimethyl carbonate, 15-30 wt% of methanol, 0.2-1 wt% of sodium acetate and the balance of water, and neutralizing with sodium hydroxide until the pH value is 8-9. The cleaning agent has high cleaning cleanliness and no trace is left after cleaning; the surface of the forming die is bright and has no damage after being cleaned; the aqueous solution can be used for many times, does not generate denaturation due to long standing time, and has little pollution to the environment.
Description
Technical Field
The invention belongs to the technical field of cleaning agent preparation, and particularly relates to different types of optical resin lens mold cleaning agents and a preparation method thereof.
Background
Resin lenses are formed by molding a lens with a mold in which resin at the edge of the lens adheres to the mold, and the lens mold is continuously cleaned to remove residues. The washing process is particularly difficult due to the strong intermolecular binding force of the high polymer. At present, the existing resin lens mould cleaning agent on the market has the following defects during cleaning:
1. the cleaning is not clean, spots or gas mist still remain after cleaning, and the best cleaning effect cannot be achieved;
2. the cleaning agent usually adopts a high-temperature heavy alkali increased amount of organic solvent dichloromethane, and is matched with an ultrasonic cleaning process, strong alkali has great corrosion effect on human bodies and equipment, can also damage lenses and molds, and is discharged after being neutralized by a treatment tank, and the problem of environmental pollution is caused correspondingly because neutralization treatment is difficult and the production cost is high; the organic solvent has the problems of high toxicity, flammability, easy volatilization, air pollution, ozone damage and the like;
3. high cost and high price.
Disclosure of Invention
In order to overcome the defects of the existing optical resin lens mold cleaning agent in the market, the invention provides the optical resin lens mold cleaning agent which is high in cleaning cleanliness and free of marks after cleaning; the surface of the forming die is bright and has no damage after being cleaned; the aqueous solution can be used for many times, does not generate denaturation due to long standing time, and has little pollution to the environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
an optical resin lens mold cleaning agent, which comprises the following components:
the optical resin lens mold cleaning agent as described above, preferably, the cleaning agent comprises the following components:
the optical resin lens mold cleaning agent as described above, preferably, the cleaning agent comprises the following components:
the optical resin lens mold cleaner as described above, preferably, the alcohol ether solvent is selected from one or more of the following: triethylene glycol ethyl ether, cyclohexanediol monomethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol butyl ether, diethylene glycol monobutyl ether, triethylene glycol butyl ether and dipropylene glycol dimethyl ether.
The optical resin lens mold cleaning agent as described above, preferably, the nonionic surfactant is selected from one or more of the following: dodecyl polyoxyethylene ether, nonylphenol polyoxyethylene ether NP-4, nonylphenol polyoxyethylene ether NP-9, nonylphenol polyoxyethylene ether NP-10, alkyl glycoside APG-1218, alkyl glycoside APG-0814, alkyl glycoside APG-0816, alkyl glycoside APG-0810, alkyl glycoside APG-1214 and alkyl glycoside APG-1216.
The optical resin lens mold cleaning agent as described above, preferably, the pH adjusting agent is a sodium hydroxide solution having a concentration of 8 to 15 wt% in an amount to adjust the pH of the cleaning agent to 8 to 9.
The optical resin lens mold cleaning agent of the present invention comprises: alcohol ether solvent, non-ionic surfactant, dibasic ester, dimethyl carbonate, methanol, sodium acetate and water. Wherein, the alcohol ether solvent and the dibasic acid ester are dissolved in water, have good solubility for residual resin in a mould, such as polyvinyl chloride resin, acrylic resin, polyester resin, alkyd resin, epoxy resin and the like, and can quickly dissolve resin residues.
Dimethyl carbonate (CH3O-CO-OCH3) has excellent solubility for acrylic resin, alkyd resin, epoxy resin and the like, has low toxicity, is difficult to dissolve in water, is soluble in methanol and has larger surface tension.
The methanol plays a role in assisting dissolution.
The nonionic surfactant has emulsifying, washing, dispersing and foaming effects, and has strong capability of removing oily dirt.
The invention discovers that the surface tension of the cleaning agent can be obviously reduced by adding a small amount of sodium acetate component into the cleaning agent, so that the wetting and permeating effects of the cleaning agent are increased, and the cleaning force is improved; meanwhile, the foam performance is obviously improved, and the rinsing is convenient; and has the effects of softening hard water, preventing surfactant from hydrolysis, suspending dirt in the cleaning agent stably and preventing dirt from redepositing.
The components are matched with each other, and have synergistic effect, so that the cleaning agent has excellent cleaning force and rinsing performance.
The invention has the beneficial effects that:
1. the cleaning agent can rapidly remove dirt such as resin, adhesive, oil stain and the like adhered on the surface of a resin lens forming die, and the surface of the forming die after cleaning is clean, bright, free from spots and free from damage.
2. The aqueous solution of the cleaning agent can be repeatedly used for many times, has better stability and can not be denatured because of longer standing time.
3. The preparation process does not need a complex reaction vessel, the operation is simple, a complex post-treatment device is not needed during waste liquid treatment, the use cost is low, and the economical efficiency is good.
4. The main components of the cleaning agent are low-toxic or non-toxic, do not contain carcinogens such as tetrahydrofuran and the like, have small harm to human bodies or environment, and are more environment-friendly.
Detailed Description
Example 1:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 130g of dimethyl carbonate, 170g of methanol, 200g of triethylene glycol diethyl ether and 5g of sodium acetate are sequentially added into 350g of ultrapure water, stirred uniformly, then a 12% sodium hydroxide solution is dripped, the pH value is adjusted to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Example 2:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 120g of dimethyl carbonate, 175g of methanol, 250g of triethylene glycol diethyl ether and 3.2g of sodium acetate are sequentially added into 400g of ultrapure water, stirred uniformly, then a 12% sodium hydroxide solution is added dropwise, the pH value is adjusted to 9.0, and stirring is continued for 20 minutes to obtain the cleaning agent.
Example 3:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 130g of dimethyl carbonate, 180g of methanol, 210g of triethylene glycol diethyl ether and 4g of sodium acetate are sequentially added into 380g of ultrapure water, stirred uniformly, then a 12% sodium hydroxide solution is dripped, the pH value is adjusted to 9.0, and stirring is continued for 20 minutes, so that the cleaning agent is obtained.
Example 4:
70g of nonylphenol polyoxyethylene ether NP-4, 75g of dibasic ester, 145g of dimethyl carbonate, 175g of methanol, 220g of cyclohexanediol monomethyl ether and 5.5g of sodium acetate are sequentially added into 350g of ultrapure water, stirred uniformly, then a 12% sodium hydroxide solution is dropwise added, the pH value is adjusted to 8.5, and stirring is continued for 20 minutes to obtain the cleaning agent.
Example 5:
70g of nonylphenol polyoxyethylene ether NP-9, 75g of dibasic ester, 160g of dimethyl carbonate, 180g of methanol, 240g of propylene glycol methyl ether and 6g of sodium acetate are sequentially added into 300g of ultrapure water, stirred uniformly, then a 12% sodium hydroxide solution is dropwise added, the pH value is adjusted to 9.0, and stirring is continued for 20 minutes to obtain the cleaning agent.
Example 6:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 170g of dimethyl carbonate, 200g of methanol, 230g of triethylene glycol diethyl ether and 8g of sodium acetate are sequentially added into 280g of ultrapure water, stirred uniformly, then a 12% sodium hydroxide solution is dripped, the pH value is adjusted to 9.0, and stirring is continued for 20 minutes to obtain the cleaning agent.
Comparative example 1:
70g of dodecyl polyoxyethylene ether, 75g of dibasic ester, 130g of dimethyl carbonate, 170g of methanol and 200g of triethylene glycol diethyl ether are sequentially added into 350g of ultrapure water, stirred uniformly, then a 12% sodium hydroxide solution is dripped, the pH value is adjusted to 9.0, and stirring is continued for 20 minutes to obtain the cleaning agent.
Comparative example 2:
70g of dodecyl polyoxyethylene ether (nonionic surfactant), 80g of fatty alcohol ether phosphate MOA-3 (anionic surfactant), 40g of 10% sodium hydroxide solution, 130g of dimethyl carbonate and 170g of methanol are sequentially added into 350g of ultrapure water, and the mixture is uniformly stirred to obtain the cleaning agent.
Comparative example 3:
adding 400g of tetrahydrofuran, 80g of dibasic ester, 180g of dimethyl carbonate and 230g of methanol into 350g of ultrapure water in sequence, stirring uniformly, dropwise adding a 12% sodium hydroxide solution, adjusting the pH value to 9.0, and continuing stirring for 20 minutes to obtain the cleaning agent.
Example 7:
the cleaning effects of the cleaning agents prepared in examples 1 to 6 and comparative examples 1 to 2 were examined, respectively.
(ii) detection of surface tension
Selecting a CL-3 type automatic tension tester produced by Zibo coulometric analysis instrument Co., Ltd, and detecting according to QB/T1323-91 industry standard: the circular ring is contacted with the surface of the liquid to be measured in the measuring cup, the liquid film is pulled up, and the maximum force required for separating the circular ring from the surface is measured, wherein the maximum force acts on the circular ring vertically. The surface tension performance of the cleaning agents prepared in examples 1-6 and comparative examples 1-2 was measured, and is shown in Table 1.
(II) measurement of foam Properties
1. Testing of defoaming performance: pouring 15mL of cleaning agent into a 100mL measuring cylinder, oscillating up and down for multiple times to enable the height of foaming liquid to reach 75mL, starting a stopwatch until the foam disappears to 30mL, stopping the operation for three times to ensure that the defoaming performance is better, and repeating the experiment for three times to obtain an average value. See table 1 for details.
2. And (3) testing the foam inhibition performance: at room temperature, 100mL of cleaning agent is added into a 1L measuring cylinder, a thin tube is used for blowing air into the cleaning agent, the time when the foam reaches the scale of 300mL is recorded, the longer the time is, the better the foam inhibition performance is, the experiment is repeated for three times, and the average value is taken. See table 1 for details.
(III) detection of detergency
A detection step: placing the prepared glass mold sample in an air-blowing drying oven at 38-42 ℃ for 30 minutes, cooling, placing the glass mold sample on an electronic balance, weighing the glass mold sample to m0, placing the weighed mold sample on a clean filter paper sheet, uniformly coating a CR39 monomer containing an initiator on a specified position on the inner side of the glass mold, placing the glass mold sample in the air-blowing drying oven, drying for 1 hour, cooling, placing the glass mold sample on the electronic balance, and weighing the glass mold sample to m 1; pouring 250ml of glass mold cleaning agent into a clean 500ml beaker, putting the glass mold cleaning agent into a rotor with proper size, putting the device on a magnetic stirrer, adjusting the temperature of the magnetic stirrer to control the temperature of the cleaning agent to be 53-57 ℃, slightly putting the mold into the cleaning agent, standing for 2 minutes, immediately turning on a stirring switch on the magnetic stirrer, and adjusting the voltage to uniformly rotate for 3 minutes. After the sample is cleaned, the mold sample is taken out gently and is placed in distilled water at the temperature of 53-57 ℃ for cleaning for 30 seconds, the sample is taken out and is placed in a blast drying oven at the temperature of 38-42 ℃, the sample is dried for 2 hours, and the sample is placed on an electronic balance and weighed into m2 after being cooled. The net washing force was (m2-m1)/(m1-m0), and the results were recorded as shown in table 1.
(IV) measurement of rinsing Performance
A detection step: putting a beaker into a constant-temperature water bath, adding 400ml of a mold cleaning agent, setting the temperature of the cleaning agent at 53-57 ℃, putting the prepared glass mold sample into the beaker, standing for 5 minutes, vertically hanging the glass mold sample on a fixing frame, putting the fixing frame into a 38-42 ℃ blast drying oven, and drying for 1 hour. And finally, placing the mold sample in 300ml of distilled water at the temperature of 53-57 ℃, simply swinging for 10 times, wherein the total time is not more than 10 seconds, drying by using a blower, observing the surface bleaching property of the mold sample, observing the glass mold by naked eyes while facing the light, judging that the glass mold has no water mark and is transparent and bright in the whole body, and judging that no residue exists if local fine water marks occur. The results are detailed in table 1.
TABLE 1 table for the washing effect of the test samples
Table 1 the results illustrate that:
1. the cleaning agent with a small amount of sodium acetate (example 1) significantly reduced the surface tension of the cleaning agent compared to comparative example 1, whereas the cleaning agent with a lower surface tension had a stronger wetting and penetration effect.
2. Compared with comparative example 1, the cleaning agent (example 1) added with a small amount of sodium acetate has stronger defoaming and foam inhibiting performance, can improve the foaming performance, and correspondingly improves the using and rinsing performance.
3. Compared with the existing cleaning agent products (comparative example 2 and comparative example 3), the cleaning agent has lower surface tension, obviously improved foam performance and better cleaning power and rinsing performance.
Claims (6)
1. The optical resin lens mold cleaning agent is characterized by comprising the following components:
2. the optical resin lens mold cleaning agent according to claim 1, wherein the cleaning agent comprises the following components:
3. the optical resin lens mold cleaning agent according to claim 1, wherein the cleaning agent comprises the following components:
4. the cleaning agent for optical resin lens molds as claimed in any one of claims 1 to 3, wherein the alcohol ether solvent is selected from one or more of the following: triethylene glycol ethyl ether, cyclohexanediol monomethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, propylene glycol butyl ether, diethylene glycol monobutyl ether, triethylene glycol butyl ether and dipropylene glycol dimethyl ether.
5. The optical resin lens mold cleaning agent according to any one of claims 1 to 3, wherein the nonionic surfactant is selected from one or more of the following: dodecyl polyoxyethylene ether, nonylphenol polyoxyethylene ether NP-4, nonylphenol polyoxyethylene ether NP-9, nonylphenol polyoxyethylene ether NP-10, alkyl glycoside APG-1218, alkyl glycoside APG-0814, alkyl glycoside APG-0816, alkyl glycoside APG-0810, alkyl glycoside APG-1214 and alkyl glycoside APG-1216.
6. The cleaning agent for optical resin lens molds as claimed in any one of claims 1 to 3, wherein the pH adjustor is a sodium hydroxide solution having a concentration of 8 to 15% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111607316.3A CN114214125B (en) | 2021-12-24 | 2021-12-24 | Optical resin lens mold cleaning agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111607316.3A CN114214125B (en) | 2021-12-24 | 2021-12-24 | Optical resin lens mold cleaning agent |
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| CN114214125A true CN114214125A (en) | 2022-03-22 |
| CN114214125B CN114214125B (en) | 2023-07-28 |
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Citations (9)
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|---|---|---|---|---|
| US5750482A (en) * | 1991-08-09 | 1998-05-12 | S. C. Johnson & Son, Inc. | Glass cleaning composition |
| WO1998053016A1 (en) * | 1997-05-23 | 1998-11-26 | Huntsman Petrochemical Corporation | Paint and coating remover |
| KR19990015980A (en) * | 1997-08-12 | 1999-03-05 | 서경배 | Multi-Purpose Liquid Detergent Composition |
| CN105062706A (en) * | 2015-08-14 | 2015-11-18 | 上海奈拓化工科技有限公司 | High-precision ultrasonic cleaning agent for glass mould used in resin optical lens mold closing |
| CN107118875A (en) * | 2017-06-05 | 2017-09-01 | 上海师范大学 | It is a kind of for cleaning agent of optical resin lens mould and preparation method thereof |
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2021
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|---|---|---|---|---|
| US5750482A (en) * | 1991-08-09 | 1998-05-12 | S. C. Johnson & Son, Inc. | Glass cleaning composition |
| WO1998053016A1 (en) * | 1997-05-23 | 1998-11-26 | Huntsman Petrochemical Corporation | Paint and coating remover |
| KR19990015980A (en) * | 1997-08-12 | 1999-03-05 | 서경배 | Multi-Purpose Liquid Detergent Composition |
| CN105062706A (en) * | 2015-08-14 | 2015-11-18 | 上海奈拓化工科技有限公司 | High-precision ultrasonic cleaning agent for glass mould used in resin optical lens mold closing |
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| CN107118875A (en) * | 2017-06-05 | 2017-09-01 | 上海师范大学 | It is a kind of for cleaning agent of optical resin lens mould and preparation method thereof |
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| CN110257187A (en) * | 2019-07-09 | 2019-09-20 | 上海伟星光学有限公司 | A kind of polyurethane eyeglass antibacterial cleaning agent and its manufacturing method |
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