CN107502034A - A kind of water base environmentally friendly enamelled coating cleaning agent of frictional property and its preparation method and application - Google Patents
A kind of water base environmentally friendly enamelled coating cleaning agent of frictional property and its preparation method and application Download PDFInfo
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- CN107502034A CN107502034A CN201710658036.2A CN201710658036A CN107502034A CN 107502034 A CN107502034 A CN 107502034A CN 201710658036 A CN201710658036 A CN 201710658036A CN 107502034 A CN107502034 A CN 107502034A
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- 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
- C09D9/04—Chemical paint or ink removers with surface-active agents
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- 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
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- 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
- C09D9/02—Chemical paint or ink removers with abrasives
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Abstract
A kind of water base environmentally friendly enamelled coating cleaning agent of frictional property, the cleaning agent is by main solvent, cosolvent, activator, surfactant, frictional property particle, antiaging agent, bleeding agent, adhesion agent, corrosion inhibiter, deionized water and ethanol composition.The paint stripper is easy to use, simple, can effectively remove various common enamelled coatings, and corrosion-free to base material to wait infringement, volatility is smaller, harmless to the human body during use, and without attachments such as paraffin, kerosene, facilitates secondary spraying enamelled coating；By increasing frictional property particle in cleaning agent, increase the frictional force of enamelled coating, facilitate enamelled coating to carry out artificial paint removal after expanding, it is more notable for the paint film enamelled coating effect very stronger than stronger, adhesive force；Cleaning agent is safe and environment-friendly, no chlorohydrocarbon type organic solvent, and cost is relatively low.
Description
Technical field
The present invention relates to water base environmentally friendly enamelled coating cleaning agent of a kind of frictional property and its preparation method and application, belongs to depainting cleaning
Agent technical field.
Background technology
In our daily lifes and industrial production, metallic article coating, such as paints without the decoration and protection that do not need coating
Layer has the function that the aspect of inhibition, shielding and electrochemical protection etc. three, and construction operation is convenient, favorable anti-corrosion effect thus extensive
Use.But in actual life, under environmental activity and physical mechanical effect, often go out with the extension coating of usage time
Current situation portion or large area failure, such as loss of gloss, efflorescence, come off, crackle, scuffing, ground corrosion reduce the service life of base material,
Or occur the unexpected defects such as tangerine peel, crackle, efflorescence unavoidably in coating preparation process, the appearance of defective work is caused, this
Require thoroughly to remove coating, so as to spray again.
The method of paint removal both at home and abroad mainly has at present：（1）Mechanical depainting method：Mechanical depainting is using mechanical friction membrane removal
Method reaches removing film, including the methods of manual grinding, shot-peening, Dry ice cleaning and water under high pressure (abrasive material) jet.Mechanical depainting
Method, as manual polishing mainly by scraper, spades, not only consume substantial amounts of manpower and materials and also expend very much the time, it is most important that
While depainting is carried out, the metal tools such as scraper, spades can cause mechanical failure to depainting object, not only get rid of coating
Also matrix is destroyed.In addition, in face of the complex part of some geometries, mechanical depainting method is removal that can not be comprehensive
Face coat, also many dead angles are still unable to reach paint removing effect；（2）Laser paint stripping method：Laser cleaning technique refers to adopt
Workpiece surface is irradiated with high energy laser beam, makes attachment or the coating on its surface etc. that flash evapn or stripping occur, so as to reach
Purifying technical process, has that cost is low, matrix not damaged, clean, operation full automation, depainting is pollution-free, easy to control,
And the advantages that cheap.But temperature is too high during laser paint stripping, easily make substrate deformation, surface is contained oxide-film or
The metal base of phosphating coat causes to damage；（3）Chemical paint removal method：Mainly there are acid, alkaline enamelled coating cleaning agent, such as acidic cleaner
For the concentrated sulfuric acid, hydrochloric acid, phosphoric acid composition cleaning fluid, chemical stripper using when need to heat, paint removal efficiency is low, during use
Larger toxicity is produced, and heavy corrosion easily is caused to parent metal；（4）Organic solvent paint removal method：Organic solvent paint stripper
It is now commonplace stripping method, it is the principle being swelled by organic matter, by solvent penetration into paint film, makes its swollen
It is swollen, the adhesive force of paint film and matrix is reduced, makes paint film bulging from base material, splits away off.Organic solvent paint stripper depainting speed
Degree is fast, and depainting is thorough, so being favored by many producers.As though traditional chlorohydrocarbon type organic solvent can be completed efficiently
Depainting works, but chlorohydrocarbon type organic solvent toxicity is big, high volatility and easily burning, unstable chemcial property etc., to environment
Cause greatly to pollute；New 1-METHYLPYRROLIDONE NMP molecular weight is especially small, its penetrating power for most of paint films
It is very strong, can penetrates into the molecule segment of most paint films, quickly paint film is bulged, but NMP price is held high
It is expensive, to enterprise's production cost build-up of pressure；In addition, organic solvent is mainly based on alcohol ether, esters, alcohols, but cleaning performance has
Wait to improve.
In addition, when using enamelled coating cleaning agent, organic solvent coating paint layer is usually first used, treats that enamelled coating expands, after bursting,
Enamelled coating is removed using the method for artificial mechanism, such as scraper（Substrate metal can be scratched unavoidably）, and for some inexpensive cleanings
Agent, limited by cleaning agent main solvent（Such as NMP except enamelled coating effect far above propylene carbonate, phenmethylol）, cleaning
Effect is limited, and when enamelled coating is thicker, paint removal is ineffective, has to be solved.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of safety, and environmental protection, cost is low, paint removal efficiency high, and paint removal speed is fast
The water base environmentally friendly enamelled coating cleaning agent of frictional property, facilitate the later stage manually to remove expansion enamelled coating, and the base material of metallic article will not be by
Infringement.
The invention provides a kind of water base environmentally friendly enamelled coating cleaning agent of frictional property, its component composition includes：
25 ~ 40wt.% of main solvent,
5 ~ 15wt.% of cosolvent,
9 ~ 12wt.% of activator,
2 ~ 3wt.% of surfactant,
Frictional property 3 ~ 6wt.% of particle,
2 ~ 3wt.% of antiaging agent,
1 ~ 1.5wt.% of bleeding agent,
1.5 ~ 2wt.% of adhesion agent,
0.5 ~ 0.8wt.% of corrosion inhibiter,
Deionized water and ethanol, volume ratio 3:1, total amount is 10 ~ 25wt.%.
Wherein main solvent is selected from dimethyl succinate, methyl benzoate, propylene carbonate, 1-METHYLPYRROLIDONE, second
One or more in glycol butyl ether, phenmethylol, cosolvent is in butanone, isopropyl ether, gamma-butyrolacton, isobutanol, normal propyl alcohol
One or more.Wherein surfactant in cetyl trimethylammonium bromide, sapn, tween, betaine type one
Kind is several, and frictional property particle is 0.05-1 μm of silica or alpha aluminium oxide particle, and antiaging agent is selected from phenols antiaging agent.
The wherein one kind of activator in acetic acid, lactic acid, lactic acid, bleeding agent are selected from aerosol-OT salt, adhesion agent
One kind in hydroxymethyl cellulose, methylcellulose, hydrated magnesium silicate lithium, polyacrylamide, polyvinyl alcohol, corrosion inhibiter choosing
From the mixture of one or both of poly-aspartate or lignosulfonate.
Preferably, the water base environmentally friendly enamelled coating cleaning agent of the frictional property, its component composition include：
25 ~ 40wt.% of main solvent is compounded, by propylene carbonate and butyl glycol ether by weight 2:（1~1.5）Composition；
Cosolvent：Gamma-butyrolacton, 5 ~ 15wt.%；
Activator：Acetic acid or lactic acid, 9 ~ 12wt.%；
2 ~ 3wt.% of surfactant, by cetyl trimethylammonium bromide and SPAN-80 by weight 1:(0.5 ~ 1) form；
Frictional property particle：0.05-1 μm of silica or alpha aluminium oxide particle, 3 ~ 6wt.%；
Antiaging agent：Phenols antiaging agent, 2 ~ 3wt.%；
Bleeding agent：Aerosol-OT salt, 1 ~ 1.5wt.%；
Adhesion agent：One kind of hydroxymethyl cellulose or methylcellulose or hydrated magnesium silicate lithium, 1.5 ~ 2wt.%；
Corrosion inhibiter：Poly-aspartate or lignosulfonate, 0.5 ~ 0.8wt.%；
Deionized water and ethanol, volume ratio 3:1, total amount is 10 ~ 25wt.%.
In use, cleaning agent is evenly applied into pending enamelled coating surface by way of soaking or brushing, or use
A certain proportion of deionized water dilutes cleaning agent, and pending enamelled coating surface is coated on using the mode of spraying, and can be repeatedly equal
Even brushing or spray coating cleaning agent.During using cleaning agent, enamelled coating short time rapid expanding, burst, afterwards using spinning
Bonded non-woven fabrics, which wipe, removes enamelled coating or deionized water rinsing enamelled coating.The temperature in use of cleaning agent is not higher than 40oC, during paint removal
With ultrasonic wave added.
The preparation method of the environmentally friendly enamelled coating cleaning agent comprises the following steps：First by deionized water low-grade fever to 35oC, then
Adhesion agent is slowly added to, 200 ~ 300r/min stirrings are completely dissolved it, cool, then sequentially add main solvent, cosolvent, work
Agent, corrosion inhibiter, stirring to obtain solution A；Then surfactant, bleeding agent, antiaging agent, 200 ~ 300r/min into ethanol
Stirring to obtain solution B；Then solution B is added in solution A, and adds frictional property particle, 800-1000r/min stirrings are equal
It is even, obtain the cleaning agent.
The environmentally friendly enamelled coating cleaning agent can be used for removing polyurethane, epoxy resin, alkyd resin, polysiloxanes, plastic uptake enamelled coating
Or other common common enamelled coatings, coating layer thickness are 30 ~ 200 microns.
The present invention can reach following excellent technique effect：
（1）The paint stripper is easy to use, simple, can effectively remove various common enamelled coatings；
（2）Volatility is smaller, also harmless to human body during use, without attachments such as paraffin, kerosene, facilitates secondary spraying paint
Layer；
（3）By increasing frictional property particle in cleaning fluid, increase the frictional force of enamelled coating, facilitate enamelled coating to be carried out after expanding artificial
Paint removal, it is more notable for the paint film enamelled coating effect very stronger than stronger, adhesive force；
（4）Safe and environment-friendly, no chlorohydrocarbon type organic solvent, cost is relatively low；
（5）It is smaller to metal base corrosivity.
Brief description of the drawings
Fig. 1 be the cleaning agent of sample 1 to iron plate, aluminium alloy, copper alloy substrate erosion test figure.
Fig. 2 is paint removal efficiency test figures of the sample 1-4 to epoxy resin enamelled coating.
Embodiment
Embodiment 1
Compound main solvent：Propylene carbonate：Butyl glycol ether=2:（1~1.5）, 25 ~ 40wt.%；
Cosolvent：Gamma-butyrolacton, 5 ~ 15wt.%；
Activator：Acetic acid, 9 ~ 12wt.%；
Surfactant：Cetyl trimethylammonium bromide：SPAN-80=1:(0.5 ~ 1), 2 ~ 3wt.%;；
Frictional property particle：0.05-1 μm of silica, 3 ~ 6wt.%；
Antiaging agent：Phenols antiaging agent, 2 ~ 3wt.%；
Bleeding agent：Aerosol-OT salt, 1 ~ 1.5wt.%；
Adhesion agent：Hydroxymethyl cellulose, 1.5 ~ 2wt.%；
Corrosion inhibiter：Lignosulfonate, 0.5 ~ 0.8wt.%；
Deionized water：Ethanol volume ratio=3:1,10 ~ 25wt.%, labeled as sample 1.
Embodiment 2
Main solvent：Dimethyl succinate, 25 ~ 40wt.%;；
Cosolvent：Gamma-butyrolacton, 5 ~ 15wt.%；
Activator：Lactic acid, 9 ~ 12wt.%；
Surfactant：Cetyl trimethylammonium bromide:SPAN-80=1:(0.5 ~ 1), 2 ~ 3wt.%；
Frictional property particle：0.05-1 μm of alpha aluminium oxide particle, 3 ~ 6wt.%；
Antiaging agent：Phenols antiaging agent, 2 ~ 3wt.%；
Bleeding agent：Aerosol-OT salt, 1 ~ 1.5wt.%；
Adhesion agent：Methylcellulose, 1.5 ~ 2wt.%；
Corrosion inhibiter：Poly-aspartate, 0.5 ~ 0.8wt.%；
Deionized water：Ethanol volume ratio=3:1,10 ~ 25wt.%, labeled as sample 2.
Embodiment 3
Main solvent：1-METHYLPYRROLIDONE, 25 ~ 40wt.%；
Cosolvent：Normal propyl alcohol, 5 ~ 15wt.%；
Activator：Lactic acid, 9 ~ 12wt.%；
Surfactant：Betaine type amphoteric surfactant, 2 ~ 3wt.%；
Frictional property particle：0.05-1 μm of silica, 3 ~ 6wt.%；
Antiaging agent：Phenols antiaging agent, 2 ~ 3wt.%；
Bleeding agent：Aerosol-OT salt, 1 ~ 1.5wt.%；
Adhesion agent：Hydrated magnesium silicate lithium, 1.5 ~ 2wt.%；
Corrosion inhibiter：Lignosulfonate, 0.5 ~ 0.8wt.%；
Deionized water：Ethanol volume ratio=3:1,10 ~ 25wt.%, labeled as sample 3.
Embodiment 4
Compound main solvent：Phenmethylol=2:（1~1.5）, 25 ~ 40wt.%；
Cosolvent：Isopropyl ether, 5 ~ 15wt.%；
Activator：Acetic acid or lactic acid, 9 ~ 12wt.%；
Surfactant：Tweens surfactant, 2 ~ 3wt.%；
Frictional property particle：0.05-1 μm of alpha aluminium oxide particle, 3 ~ 6wt.%；
Antiaging agent：Phenols antiaging agent, 2 ~ 3wt.%；
Bleeding agent：Aerosol-OT salt, 1 ~ 1.5wt.%；
Adhesion agent：Methylcellulose, 1.5 ~ 2wt.%；
Corrosion inhibiter：Poly-aspartate or lignosulfonate, 0.5 ~ 0.8wt.%；
Deionized water：Ethanol volume ratio=3:1,10 ~ 25wt.%, labeled as sample 4.
Erosion test：With iron plate, copper alloy, aluminium alloy is testing substrates material, carries out mechanical grinding-the third to base material in advance
Ketone-EtOH-DI water repeatedly washs, and air-cooler drying, weigh to obtain m0, then said sample is placed in except enamelled coating cleaning fluid
In, 25oC, soak 24 hours, then deionized water cleaning-acetone-ethanol-deionized water clean successively, obtain m1.Calculation formula V
=(m0-m1)/A, wherein V be metal base corrosion rate, mg/cm2；m0And m1Respectively clean front and rear example weight mg, A
For the surface area cm of sample2。
Paint removal efficiency test：With epoxy resin enamelled coating, polysiloxanes enamelled coating and plastic uptake enamelled coating are sample, thickness 50 ~ 100
μm, temperature normal temperature, the time for occurring corrugation position for the first time, and complete cockle time are calculated using stopwatch（Second/s）.
By cleaning agent to iron plate, aluminium alloy, copper alloy substrate erosion test, and cleaning agent is to different enamelled coatings
Paint removal efficiency test it is known that the present invention cleaning agent to metal base no corrosion, due to adding in cleaning agent of the present invention
Add inorganic friction particles, for thick and heavy enamelled coating or not exclusively corrugated enamelled coating, greatly reduce artificial scouring enamelled coating
Difficulty, cleaning efficiency is improved, in addition, the cleaning agent of the present invention facilitates secondary spraying paint without the attachment such as paraffin, kerosene
Layer, and contains water in cleaning agent, can seal cleaning agent during standing, and not volatile during storage, stability is preferable.And cleaning agent sheet
Body volatility is smaller, and harmless during use, the cost of cleaning agent is relatively low.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, it is of the invention and unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of water base environmentally friendly enamelled coating cleaning agent of frictional property, it is characterised in that the cleaning agent includes：
25 ~ 40wt.% of main solvent,
5 ~ 15wt.% of cosolvent,
9 ~ 12wt.% of activator,
2 ~ 3wt.% of surfactant,
Frictional property 3 ~ 6wt.% of particle,
2 ~ 3wt.% of antiaging agent,
1 ~ 1.5wt.% of bleeding agent,
1.5 ~ 2wt.% of adhesion agent,
0.5 ~ 0.8wt.% of corrosion inhibiter,
Deionized water and ethanol, its volume ratio are 3:1, total amount is 10 ~ 25wt.%.
2. a kind of cleaning agent as claimed in claim 1, it is characterised in that the main solvent is selected from dimethyl succinate, benzene first
One or more in sour methyl esters, propylene carbonate, 1-METHYLPYRROLIDONE, butyl glycol ether, phenmethylol, the cosolvent
One or more in butanone, isopropyl ether, gamma-butyrolacton, isobutanol, normal propyl alcohol.
3. a kind of cleaning agent as claimed in claim 1 or 2, it is characterised in that the surfactant is selected from cetyl three
One or more in methyl bromide ammonium, sapn, tween, betaine type amphoteric surfactant, the frictional property particle are 0.05-1 μ
M silica or alpha aluminium oxide particle, the antiaging agent are selected from phenols antiaging agent.
4. the cleaning agent as described in claim any one of 1-3, it is characterised in that the activator is selected from acetic acid, lactic acid, breast
One kind in acid, the bleeding agent are selected from aerosol-OT salt, and the adhesion agent is selected from hydroxymethyl cellulose, methyl
One kind in cellulose, hydrated magnesium silicate lithium, polyacrylamide, polyvinyl alcohol, the corrosion inhibiter are selected from poly-aspartate or sulphur
Change the mixture of one or both of lignin.
5. a kind of water base environmentally friendly enamelled coating cleaning agent of frictional property, it is characterised in that the cleaning agent includes：
Compound main solvent：By propylene carbonate and butyl glycol ether by weight 2:（1~1.5）Composition, 25 ~ 40wt.% of total amount；
Cosolvent：Gamma-butyrolacton, 5 ~ 15wt.%；
Activator：Acetic acid or lactic acid, 9 ~ 12wt.%；
Surfactant：By cetyl trimethylammonium bromide and SPAN-80 by weight 1：(0.5 ~ 1) form, total amount 2 ~
3wt.%；
Frictional property particle：0.05-1 μm of silica or alpha aluminium oxide particle, 3 ~ 6wt.%；
Antiaging agent：Phenols antiaging agent, 2 ~ 3wt.%；
Bleeding agent：Aerosol-OT salt, 1 ~ 1.5wt.%；
Adhesion agent：One kind of hydroxymethyl cellulose or methylcellulose or hydrated magnesium silicate lithium, 1.5 ~ 2wt.%；
Corrosion inhibiter：Poly-aspartate or lignosulfonate, 0.5 ~ 0.8wt.%；
Deionized water and ethanol, volume ratio 3:1, total amount is 10 ~ 25wt.%.
6. the preparation method of cleaning agent as described in claim 1-5, it is characterised in that comprise the following steps：First by deionized water
Low-grade fever is to 35oC, is then slowly added into adhesion agent, and 200 ~ 300r/min stirrings are completely dissolved it, cool, then sequentially add
Main solvent, cosolvent, activator, corrosion inhibiter, stirring to obtain solution A；Then the surfactant, bleeding agent, anti-old into ethanol
Agent, 200 ~ 300r/min stirring to obtain solution Bs；Then solution B is added in solution A, and adds frictional property particle, 800-
1000r/min stirs, and obtains the cleaning agent.
7. the application of cleaning agent as described in claim 1-5, it is characterised in that using immersion or the mode brushed that cleaning agent is equal
It is even to be coated on pending enamelled coating surface, or using a certain proportion of deionized water dilution cleaning agent, coated using the mode of spraying
In pending enamelled coating surface, and repeatedly can uniformly brush or spray coating cleaning agent.
8. the application of cleaning agent as claimed in claim 7, it is characterised in that wiped and removed at cleaning agent using spun-bonded non-woven fabrics
The enamelled coating that is expanded after reason washes away expansion enamelled coating using deionized water.
9. the application of cleaning agent as claimed in claim 7 or 8, its feature is not higher than 40 in the temperature in use of cleaning agentoC, paint removal
During with ultrasonic wave added.
10. the application of the cleaning agent as described in claim any one of 7-9, it is characterised in that the cleaning agent be used for polyurethane,
The removal of epoxy resin, alkyd resin, polysiloxanes, plastic uptake enamelled coating, its coating layer thickness are 30 ~ 200 microns.
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| CN201710658036.2A CN107502034B (en) | 2017-08-03 | 2017-08-03 | Frictional water-based environment-friendly paint layer cleaning agent and preparation method and application thereof |
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| CN201710658036.2A CN107502034B (en) | 2017-08-03 | 2017-08-03 | Frictional water-based environment-friendly paint layer cleaning agent and preparation method and application thereof |
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| CN108976894B (en) * | 2018-09-12 | 2022-09-13 | 佛山市海明威生态科技股份有限公司 | Preparation method of paint remover |
| CN108976895B (en) * | 2018-09-12 | 2022-10-04 | 苏州巴洛特新材料有限公司 | Paint remover |
| CN110041749A (en) * | 2019-04-28 | 2019-07-23 | 祝亚琴 | A kind of paint stripper of metal surface polyurethane paint |
| CN112143894A (en) * | 2019-06-28 | 2020-12-29 | 铜陵富翔铜再生循环利用有限公司 | Method for recovering copper from waste enameled wire |
| CN111040506A (en) * | 2019-12-23 | 2020-04-21 | 三达奥克化学股份有限公司 | Water-based neutral paint remover |
| CN115725201A (en) * | 2021-08-27 | 2023-03-03 | 京瓷办公信息系统株式会社 | Cleaning liquid and liquid set for ink jet recording apparatus |
| CN115725201B (en) * | 2021-08-27 | 2023-12-29 | 京瓷办公信息系统株式会社 | Cleaning liquid and liquid set for ink jet recording apparatus |
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