CN110820000B - Environment-friendly copper cleaning agent and preparation method thereof - Google Patents
Environment-friendly copper cleaning agent and preparation method thereof Download PDFInfo
- Publication number
- CN110820000B CN110820000B CN201911163112.8A CN201911163112A CN110820000B CN 110820000 B CN110820000 B CN 110820000B CN 201911163112 A CN201911163112 A CN 201911163112A CN 110820000 B CN110820000 B CN 110820000B
- Authority
- CN
- China
- Prior art keywords
- parts
- copper
- cleaning agent
- stirring
- environment
- 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.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses an environment-friendly copper cleaning agent and a preparation method thereof, belonging to the technical field of auxiliaries, wherein the environment-friendly copper cleaning agent comprises the following raw materials: 5-7 parts of pH regulator, 5-7 parts of copper salt, 3-5 parts of natural saponin, 10-15 parts of surfactant, 1-2 parts of defoaming agent, 3-5 parts of antioxidant, 3-5 parts of chlorothalonil and 30-50 parts of water. The environment-friendly copper cleaning agent disclosed by the invention is simple in manufacturing process, the simplest raw materials are mixed to play an unexpected effect, the raw materials are matched and interacted with each other in pairs, rust and oil stains on copper are removed in a short time, an unexpected bright feeling is given to a copper part, certain antibacterial and antioxidant effects are given to a workpiece, the process is simple and easy to operate, the raw materials are low in price and easy to obtain, and the environment-friendly copper cleaning agent is non-toxic and harmless, does not stimulate human bodies, is low in volatility and does not damage base materials.
Description
Technical Field
The invention relates to an environment-friendly copper cleaning agent and a preparation method thereof, belonging to the technical field of auxiliaries.
Background
Copper products are common workpieces in people's daily life, various electrical appliances and national power systems. Meanwhile, scientists also find that the proper copper element has great benefits to human bodies, so that the development of copper smelting industry is promoted, but copper products can generate copper rust under the conditions of acid, alkali and salt, the mood of users is influenced, and the copper smelting industry is even harmful to the daily life of the users.
At present, most of copper cleaning agents on the market are organic type copper cleaning agents, and although the copper rust and oil stains on the surface of a copper part are removed to a certain degree, the organic type copper cleaning agents are particularly troublesome in subsequent treatment, easily pollute the environment and are high in treatment cost.
Disclosure of Invention
In order to solve the problems, the cleaning agent adopts the pH regulator, copper salt, natural saponin, surfactant, 1-2 parts of defoaming agent, antioxidant and chlorothalonil to carry out compounding, can remove oil stains and copper rust on the surface of a copper piece within 1 minute, does not need heating electrolysis, saves energy and is an environment-friendly copper cleaning agent.
The invention aims to provide an environment-friendly copper cleaning agent which comprises the following components in parts by weight: 5-7 parts of pH regulator, 5-7 parts of copper salt, 3-5 parts of natural saponin, 10-15 parts of surfactant, 1-2 parts of defoaming agent, 3-5 parts of antioxidant and 3-5 parts of chlorothalonil.
The second purpose of the invention is to provide a preparation method of the environment-friendly copper cleaning agent, which comprises the following specific steps:
step 1, adding 10-15 parts of surfactant and 30-50 parts of water in parts by mass into a reaction kettle, and stirring for 10 minutes at 500-;
step 2, adding 1-2 parts of defoaming agent and 500-;
step 3, adding 5-7 parts of copper salt into the step 2, stirring for 10-20 minutes at 500-;
step 4, adding 3-5 parts of antioxidant and 3-5 parts of natural saponin into the step 3, stirring for 5-10 minutes at 500 revolutions per minute;
step 5, adding 3-5 parts of chlorothalonil, 5-7 parts of pH regulator and 500-1000 rpm into the step 4, and stirring for 5-10 minutes; stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent; discharging and packaging to obtain the finished product.
In one embodiment of the present invention, the surfactant is one or more of sodium dodecyl sulfate, sucrose ester, distilled monoglyceride, and sodium dodecyl sulfate.
In one embodiment of the present invention, the natural saponin is extracted from the leaves of the plant and may generate a cleansing foam as a cleansing factor.
In one embodiment of the invention, the chlorothalonil acts as a broad spectrum, protective biocide.
In one embodiment of the present invention, the defoaming agent is one or more of stearyl stearate and triethanolamine stearate.
In one embodiment of the invention, the pH adjusting agent is a mixture of lactic acid, oleic acid and lauric acid.
In one embodiment of the present invention, the mass ratio of lactic acid, oleic acid and lauric acid is 1: (1-3): (1-2).
In one embodiment of the invention, the antioxidant is 1010, and the mixture of butylated hydroxyanisole and tea polyphenol, and the mass ratio of the antioxidant 1010, the butylated hydroxyanisole and the tea polyphenol is 5: 2.
In one embodiment of the present invention, the copper salt is one of copper nitrate and copper sulfate.
In one embodiment of the invention, the multifunctional copper cleaning agent further comprises 30-50 parts of water.
The third purpose of the invention is to provide a copper cleaning agent prepared by the preparation method.
The fourth purpose of the invention is to provide the application of the copper cleaning agent in the industry for removing oil stains and patina on metal surfaces.
It is a fifth object of the present invention to provide a method for cleaning a metal device by immersing the metal device in the above copper cleaner for a treatment time of not less than 20 seconds.
The invention has the beneficial effects that:
1. the environment-friendly copper cleaning agent disclosed by the invention adopts raw materials, does not contain strong acid, strong alkali and phosphorus element, and has no damage to workpieces.
2. The environment-friendly copper cleaning agent adopts the pH regulator, on one hand, a weak acid environment is provided to facilitate the removal of the patina, on the other hand, the environment-friendly copper cleaning agent can be used as an activating agent, and the pH regulating agent compounded by a plurality of weak acids has unexpected effect on activation.
3. The environment-friendly copper cleaning agent can remove oil stains and copper rust on the surface of a copper part within 30s, does not need heating electrolysis, saves energy, and is an environment-friendly copper cleaning agent.
4. The environment-friendly copper cleaning agent disclosed by the invention can remove rust and oil stains on copper, endows copper parts with unexpected brightness, can resist salt spray for 14 hours, and has good oxidation and corrosion resistance effects.
Drawings
FIG. 1 shows the effect of the present invention, (a) is a copper device before processing, and (b) is a copper device after processing.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of better illustrating the invention and is not intended to limit the invention thereto.
1. Experimental sample (copper device): the copper piece is a common rusty greasy dirt copper sheet.
2. The oil stain removal rate test method comprises the following steps: the method for detecting the surface oil stain mainly comprises the following steps: visual inspection, wiping, optical microscopy. Whether the copper part contains oil stains can be seen by looking at the copper part with eyes and wiping with paper, and the cleanliness of the surface of the workpiece can be seen by an optical microscope.
3. Surface patina content/patina removal rate: and (4) calculating according to the oil stain area on the copper surface, wherein the surface patina content is (initial oil stain area-oil stain area after removal)/initial oil stain area.
4. Salt spray test: the time to rust was observed under 5% salt spray conditions. The salt spray test for 1 day corresponds to 1 month in the natural environment.
The natural saponin is purchased from Xian Feng He Biotech Co., Ltd, and the chlorothalonil is purchased from Linyi Feng year Rich Co., Ltd.
Example 1
The invention discloses an environment-friendly copper cleaning agent which comprises the following components in parts by weight: 5 parts of pH regulator, 5 parts of copper sulfate, 3 parts of natural saponin, 10 parts of sodium dodecyl sulfate, 1 part of octadecanol stearate, 3 parts of antioxidant, 3 parts of chlorothalonil and 30 parts of water.
The invention also provides a preparation method of the environment-friendly copper cleaning agent, which comprises the following specific steps:
step 1, adding 10 parts of sodium dodecyl sulfate and 30-50 parts of water into a reaction kettle, and stirring for 500 plus 1000 revolutions per minute for 10 minutes.
Step 2, adding 1 part of octadecanol stearate and 500-1000 revolutions per minute, and stirring for 10 minutes;
step 3, adding 5 parts of copper sulfate, stirring for 10-20 minutes at 500-;
step 4, adding 3 parts of antioxidant and 3 parts of natural saponin at 500 revolutions per minute, and stirring for 5-10 minutes;
step 5, 3 parts of chlorothalonil, 5 parts of pH regulator, 500-1000 rpm, and stirring for 5-10 minutes;
step 6, stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent;
and 7, discharging and packaging to obtain a finished product.
Example 2
The invention discloses an environment-friendly copper cleaning agent which comprises the following components in parts by weight: 6 parts of pH regulator, 6 parts of copper nitrate, 4 parts of natural saponin, 13 parts of sodium dodecyl sulfate, 1 part of triethanolamine stearate, 4 parts of antioxidant, 4 parts of chlorothalonil and 40 parts of water.
The invention also provides a preparation method of the environment-friendly copper cleaning agent, which comprises the following specific steps:
step 1, adding 13 parts of sodium dodecyl sulfate and 40 parts of water into a reaction kettle, stirring for 500 plus 1000 revolutions per minute and stirring for 10 minutes.
Step 2, adding 1 part of defoaming agent and 500-;
step 3, adding 6 parts of copper nitrate, stirring for 10-20 minutes at 500-;
step 4, adding 4 parts of antioxidant and 4 parts of natural saponin at 500 revolutions per minute, and stirring for 5-10 minutes;
step 5, 4 parts of chlorothalonil, 6 parts of pH regulator, 500-1000 rpm, and stirring for 5-10 minutes;
step 6, stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent;
and 7, discharging and packaging to obtain a finished product.
Example 3
The invention discloses an environment-friendly copper cleaning agent which comprises the following components in parts by weight: 7 parts of pH regulator, 7 parts of copper sulfate, 5 parts of natural saponin, 15 parts of distilled monoglyceride, 2 parts of octadecanol stearate, 5 parts of antioxidant, 5 parts of chlorothalonil and 50 parts of water.
The invention also provides a preparation method of the environment-friendly copper cleaning agent, which comprises the following specific steps:
step 1, adding 15 parts of distilled monoglyceride and 50 parts of water into a reaction kettle, and stirring for 500 plus 1000 revolutions per minute and 10 minutes.
Step 2, adding 2 parts of octadecanol stearate, stirring for 10 minutes at 500-1000 rpm;
step 3, adding 7 parts of copper sulfate, stirring for 10-20 minutes at 500-;
step 4, adding 5 parts of antioxidant and 5 parts of natural saponin at 500 revolutions per minute, and stirring for 5-10 minutes;
5, 5 parts of chlorothalonil, 7 parts of pH regulator, 500-1000 rpm, and stirring for 5-10 minutes;
step 6, stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent;
and 7, discharging and packaging to obtain a finished product.
Comparative example 1: omitting surfactant
The surfactant was omitted and the other steps and parameter conditions were the same as in example 1. The invention discloses an environment-friendly copper cleaning agent which comprises the following components in parts by weight: 5 parts of pH regulator, 5 parts of copper sulfate, 3 parts of natural saponin, 1 part of octadecanol stearate, 3 parts of antioxidant, 3 parts of chlorothalonil and 30 parts of water.
The invention also provides a preparation method of the environment-friendly copper cleaning agent, which comprises the following specific steps:
step 1, adding 1 part of octadecanol stearate and 30-50 parts of water into a reaction kettle, stirring for 10 minutes at 500 revolutions per minute;
step 2, adding 5 parts of copper sulfate, stirring for 10-20 minutes at 500-;
step 3, adding 3 parts of antioxidant and 3 parts of natural saponin at 500-;
step 4, 3 parts of chlorothalonil, 5 parts of pH regulator, 500-1000 rpm, and stirring for 5-10 minutes;
step 5, stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent;
and 6, discharging and packaging to obtain a finished product.
Compared with the example 1, after the surfactant is omitted, under the same condition, the oil stain removal rate of the copper device treated by the copper cleaning agent is reduced from 100% to 30%, the surface patina amount is increased from 0% to 80%, the salt spray time is reduced from 10h to 1h, and the oil stain rust is obvious, which shows that the surfactant can not only accelerate the oil stain removal rate, but also can increase the salt spray time to a certain extent.
Comparative example 2: omitting antioxidant, natural saponin and surfactant
The antioxidant, natural saponin and surfactant were omitted and the other steps and parameter conditions were the same as in example 1. The invention discloses an environment-friendly copper cleaning agent which comprises the following components in parts by weight: 5 parts of pH regulator, 5 parts of copper sulfate salt, 1 part of octadecanol stearate, 3 parts of chlorothalonil and 30 parts of water.
The invention also provides a preparation method of the environment-friendly copper cleaning agent, which comprises the following specific steps:
step 1, adding 1 part of octadecanol stearate and 30 parts of water into a reaction kettle, stirring for 10 minutes at 500-;
step 2, adding 5 parts of copper sulfate, stirring for 10-20 minutes at 500-;
step 3, 3 parts of chlorothalonil, 5 parts of pH regulator, 500-1000 rpm, and stirring for 5-10 minutes;
step 4, stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent;
and 5, discharging and packaging to obtain a finished product.
Compared with the example 1, after the antioxidant, the natural saponin and the surfactant are omitted, the oil stain removal rate of the copper device treated by the copper cleaning agent is reduced from 100% to 20%, the surface patina amount is increased from 0% to 85%, the salt spray time is reduced from 10h to 0h, a large amount of oil stain rust is left, and the omission of the antioxidant, the natural saponin and the surfactant can accelerate the removal of oil stains, and the salt spray time is greatly increased.
Comparative example 3: omitting natural saponin
The natural saponin is omitted and the other steps and parameter conditions are the same as in example 1. The invention discloses an environment-friendly copper cleaning agent which comprises the following components in parts by weight: 5 parts of pH regulator, 5 parts of copper sulfate, 10 parts of sodium dodecyl sulfate, 1 part of octadecanol stearate, 3 parts of antioxidant, 3 parts of chlorothalonil and 30 parts of water.
The invention also provides a preparation method of the environment-friendly copper cleaning agent, which comprises the following specific steps:
step 1, adding 10 parts of sodium dodecyl sulfate and 30-50 parts of water into a reaction kettle, and stirring for 500 plus 1000 revolutions per minute for 10 minutes.
Step 2, adding 1 part of octadecanol stearate and 500-1000 revolutions per minute, and stirring for 10 minutes;
step 3, adding 5 parts of copper sulfate, stirring for 10-20 minutes at 500-;
step 4, adding 3 parts of antioxidant, stirring for 5-10 minutes at 500-;
step 5, 3 parts of chlorothalonil, 5 parts of pH regulator, 500-1000 rpm, and stirring for 5-10 minutes;
step 6, stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent;
and 7, discharging and packaging to obtain a finished product.
Compared with the example 1, after the natural saponin is omitted, under the same condition, the oil stain removal rate of the copper device treated by the copper cleaning agent is reduced from 100% to 90%, the surface patina amount is increased from 0% to 92%, and the oil stain rust is basically not little, which indicates that the natural saponin has extremely strong decomposability to oil stains.
Comparative example 4: omitting antioxidant
The antioxidant was omitted and the other steps and parameter conditions were the same as in example 1. The invention discloses an environment-friendly copper cleaning agent which comprises the following components in parts by weight: 5 parts of pH regulator, 5 parts of copper sulfate, 3 parts of natural saponin, 10 parts of sodium dodecyl sulfate, 1 part of octadecanol stearate, 3 parts of chlorothalonil and 30 parts of water.
The invention also provides a preparation method of the environment-friendly copper cleaning agent, which comprises the following specific steps:
step 1, adding 10 parts of sodium dodecyl sulfate and 30-50 parts of water into a reaction kettle, and stirring for 500 plus 1000 revolutions per minute for 10 minutes.
Step 2, adding 1 part of octadecanol stearate and 500-1000 revolutions per minute, and stirring for 10 minutes;
step 3, adding 5 parts of copper sulfate, stirring for 10-20 minutes at 500-;
step 4, adding 3 parts of natural saponin, stirring for 5-10 minutes at 500-;
step 5, 3 parts of chlorothalonil, 5 parts of pH regulator, 500-1000 rpm, and stirring for 5-10 minutes;
step 6, stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent;
and 7, discharging and packaging to obtain a finished product.
Compared with example 1, after the antioxidant is omitted, the salt spray time of the copper device treated by the copper cleaning agent is reduced from 10h to 0h under the same condition, which shows that the antioxidant has great influence on the corrosion resistance of the copper product.
Comparative example 5: using only oleic acid as a pH modifier
Only oleic acid was used as a pH modifier and the other steps and parameter conditions were the same as in example 1. The invention discloses an environment-friendly copper cleaning agent which comprises the following components, by weight, 5 parts of oleic acid, 5 parts of copper sulfate, 3 parts of natural saponin, 10 parts of sodium dodecyl sulfate, 1 part of octadecanol stearate, 3 parts of an antioxidant, 3 parts of chlorothalonil and 30 parts of water.
The invention also provides a preparation method of the environment-friendly copper cleaning agent, which comprises the following specific steps:
step 1, adding 10 parts of sodium dodecyl sulfate and 30-50 parts of water into a reaction kettle, and stirring for 500 plus 1000 revolutions per minute for 10 minutes.
Step 2, adding 1 part of octadecanol stearate and 500-1000 revolutions per minute, and stirring for 10 minutes;
step 3, adding 5 parts of copper sulfate, stirring for 10-20 minutes at 500-;
step 4, adding 3 parts of antioxidant and 3 parts of natural saponin at 500 revolutions per minute, and stirring for 5-10 minutes;
step 5, 3 parts of chlorothalonil, 5 parts of oleic acid and 500-1000 revolutions per minute, and stirring for 5-10 minutes;
step 6, stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent;
and 7, discharging and packaging to obtain a finished product.
Compared with example 1, the oil stain removal time is increased from 25s to 300s, which shows that the pH regulator has certain promotion effect on the removal of the oil stains.
The copper cleaning agent prepared in the examples 1 to 3 and the comparative examples 1 to 5 is used for treating copper devices, and the specific treatment method comprises the following steps: putting the copper device into a normal-temperature copper cleaning agent, soaking the copper device for 30-60 s until the liquid level exceeds the height of the workpiece, taking out the copper device, washing two sides with clear water, wiping the two sides, observing the amount of the copper rust on the surface, and measuring the oil stain removal rate, the amount of the copper rust on the surface and the salt spray time of the treated copper device, wherein the results are shown in table 1.
TABLE 1 treatment Effect of different copper cleaners
Note: ND is that the surface of the copper device still has the patina after 10 minutes of treatment.
From the data in the above table, it can be seen that the antioxidant has a great influence on the salt spray time, while the pH regulator only uses one kind of oleic acid, the removal amount of patina has a certain influence at the same time, the natural saponin has a certain influence on the removal of oil stain and patina, and the absence of the surfactant has a great influence on the oil and rust removal of copper parts. On the other hand, through many experiments, the inventor finds that all the raw materials must be added according to the steps, and if the raw materials are directly mixed, the problems that the individual raw materials are changed or cannot be dissolved can be caused.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. The preparation method of the environment-friendly copper cleaning agent is characterized by comprising the following steps:
step 1, adding 10-15 parts of surfactant and 30-50 parts of water in parts by mass into a reaction kettle, and stirring for 10 minutes at 500-;
step 2, adding 1-2 parts of defoaming agent and 500-;
step 3, adding 5-7 parts of copper salt into the step 2, stirring for 10-20 minutes at 500-;
step 4, adding 3-5 parts of antioxidant and 3-5 parts of natural saponin into the step 3, stirring for 5-10 minutes at 500 revolutions per minute;
step 5, adding 3-5 parts of chlorothalonil, 5-7 parts of pH regulator and 500-1000 rpm into the step 4, and stirring for 5-10 minutes; stopping stirring to obtain a prepared liquid environment-friendly copper cleaning agent; discharging and packaging to obtain a finished product;
the pH regulator is a mixture of lactic acid, oleic acid and lauric acid, and the mass ratio of the lactic acid to the oleic acid to the lauric acid is 1: (1-3): (1-2);
the surfactant is one or more than two of sodium dodecyl sulfate, sucrose ester, distilled monoglyceride and sodium dodecyl sulfate;
the defoaming agent is one or more than two of stearyl stearate and triethanolamine stearate;
the antioxidant is a combination of an antioxidant 1010, butyl hydroxy anisole and tea polyphenol; the mass ratio of the antioxidant 1010 to the butyl hydroxy anisole to the tea polyphenol is 5: 2;
the copper salt is one of copper nitrate and copper sulfate.
2. The copper cleaning agent prepared by the preparation method of claim 1.
3. Use of the copper cleaner of claim 2 in industry for degreasing and patination of metal surfaces.
4. A method for cleaning a metal device, which comprises immersing the metal device in the copper cleaner as claimed in claim 2 for a treatment time of not less than 20 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163112.8A CN110820000B (en) | 2019-11-25 | 2019-11-25 | Environment-friendly copper cleaning agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163112.8A CN110820000B (en) | 2019-11-25 | 2019-11-25 | Environment-friendly copper cleaning agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110820000A CN110820000A (en) | 2020-02-21 |
| CN110820000B true CN110820000B (en) | 2021-05-04 |
Family
ID=69559122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911163112.8A Active CN110820000B (en) | 2019-11-25 | 2019-11-25 | Environment-friendly copper cleaning agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110820000B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109415818A (en) * | 2018-03-23 | 2019-03-01 | 松下知识产权经营株式会社 | Copper thick film etching solution |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1293523B (en) * | 1960-08-18 | 1969-04-24 | Sunbeam Do Brasil Anti Corrosi | Process for degreasing and cleaning metallic objects |
| CN104178772B (en) * | 2014-08-11 | 2016-05-11 | 浙江久晟油茶科技股份有限公司 | A kind of Tea Saponin water base metal cleaning agent and using method |
| CN109778202A (en) * | 2017-11-13 | 2019-05-21 | 李静 | A kind of Compound-acid surface cleaning agent |
-
2019
- 2019-11-25 CN CN201911163112.8A patent/CN110820000B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109415818A (en) * | 2018-03-23 | 2019-03-01 | 松下知识产权经营株式会社 | Copper thick film etching solution |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110820000A (en) | 2020-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104294297A (en) | Water-based metal cleaner and preparation method thereof | |
| US20140329110A1 (en) | Methods of maintaining and using a high concentration of dissolved copper on the surface of a useful article | |
| CN111074285A (en) | Metal degreasing agent and preparation method thereof | |
| CN106367216A (en) | Tea saponin liquid detergent | |
| CN110820000B (en) | Environment-friendly copper cleaning agent and preparation method thereof | |
| CN113201416A (en) | Alkaline multifunctional cleaning agent, preparation method and application thereof | |
| CN107587142A (en) | A kind of cleaning agent for being applied to implantation medical-therapeutic treatment of human body apparatus | |
| CN106753865A (en) | Washing agent for electronic materials | |
| CN110777386B (en) | Multifunctional copper cleaning agent and preparation method thereof | |
| CN106363474B (en) | A kind of surface processing device and surface treatment method of oil hardening-tempering spring steel wire | |
| CN106800983A (en) | Electronic material novel detergent | |
| CN109536293A (en) | A kind of acid lotion and cleaning process of the arc side milling for cleaning 3D glass | |
| CN106701342A (en) | Cleaning agent for electronic materials | |
| CN106521521A (en) | Dust remover for copper product and preparation method therefor | |
| CN106675818A (en) | Oil removing agent and preparation method thereof | |
| CN112226294A (en) | Gel-shaped descaling and rust removing cleaning agent and preparation method thereof | |
| CN113197795A (en) | Frosted antibacterial hand washing cream and preparation method thereof | |
| CN113493724A (en) | Efficient decontamination laundry detergent and preparation method thereof | |
| CN108018567A (en) | Water-base metal derusting rust-proofing liquid and preparation method thereof | |
| CN106498415A (en) | A kind of rust remover | |
| CN107001982A (en) | Cleaning agent for hard surface composition | |
| CN108677205A (en) | A kind of preparation method and application method of Deruster for metal | |
| CN108286051A (en) | A kind of stainless steel gloss restorative | |
| CN105986264A (en) | Pickling and phosphatization process | |
| CN110204360B (en) | Preparation method of environment-friendly rust remover |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |