CN113861746A - Method for removing radar wave-absorbing paint coating of airplane - Google Patents
Method for removing radar wave-absorbing paint coating of airplane Download PDFInfo
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- CN113861746A CN113861746A CN202110987526.3A CN202110987526A CN113861746A CN 113861746 A CN113861746 A CN 113861746A CN 202110987526 A CN202110987526 A CN 202110987526A CN 113861746 A CN113861746 A CN 113861746A
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- paint
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- remover
- cleaning
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- 239000003973 paint Substances 0.000 title claims abstract description 159
- 239000011248 coating agent Substances 0.000 title claims abstract description 62
- 238000000576 coating method Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 38
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims abstract description 20
- UYWQUFXKFGHYNT-UHFFFAOYSA-N Benzylformate Chemical compound O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000008961 swelling Effects 0.000 claims abstract description 17
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229940077388 benzenesulfonate Drugs 0.000 claims abstract description 10
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 10
- 239000011734 sodium Substances 0.000 claims abstract description 10
- -1 sodium alkyl benzene Chemical class 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920000609 methyl cellulose Polymers 0.000 claims abstract description 9
- 239000001923 methylcellulose Substances 0.000 claims abstract description 9
- 235000010981 methylcellulose Nutrition 0.000 claims abstract description 9
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920001289 polyvinyl ether Polymers 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 9
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011247 coating layer Substances 0.000 claims abstract description 8
- 235000019253 formic acid Nutrition 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000002910 solid waste Substances 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- 238000007790 scraping Methods 0.000 claims description 9
- 230000001680 brushing effect Effects 0.000 claims description 7
- 238000010422 painting Methods 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 7
- 239000012459 cleaning agent Substances 0.000 claims description 4
- 238000013020 steam cleaning Methods 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001688 coating polymer Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- 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
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)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
A method for removing radar absorbing coating of an airplane comprises the following steps: cleaning the surface of a paint coating layer, and preparing a paint remover, wherein the paint remover comprises the following chemical components in percentage by weight: 40-45% of benzyl formate, 2-5% of nonylphenol polyvinyl ether (TX-10), 1-2% of liquid wax, 1-2% of formic acid, 2-4% of methyl cellulose, 2-3% of ethanolamine, 1-2% of sodium alkyl benzene sulfonate and the balance of dichloromethane; fully mixing, stirring uniformly and dissolving, standing for 2h, uniformly applying the paint remover on the skin of an airplane, keeping for 2 h-3 h, and removing swelling solid wastes on the surface of the paint layer by using a tool after the surface of the paint layer swells. The modified paint remover is used for removing the radar absorbing coating of the airplane, so that no paint layer residue is generated, the paint removing surface quality is good, and the requirement of the surface state of the spraying of the whole machine is met.
Description
Technical Field
The invention relates to a method for removing a wave-absorbing paint coating layer of an aircraft radar.
Background
The aircraft skin is sprayed with a radar absorbing material or called a paint coating, the thickness and the size of the paint coating are large, and the phenomena of gradual aging, falling, cracking and the like can occur in the long-time use process, so that the paint coating is damaged, and when the paint coating needs to be sprayed again for improving the appearance quality during overhaul, the damaged paint coating needs to be removed.
The method for removing the radar wave-absorbing paint coating at present is a method combining manual polishing and paint removal of mechanical equipment, paint residues can be left on the surface of a skin and the periphery of a rivet after the paint coating removing operation, scratches are easily generated on the surface of the skin during the removing operation, flaw detection needs to be carried out on the generated scratches to judge the damage degree of the skin, and therefore the operation efficiency is low; in addition, when the special paint removing equipment is used for polishing and removing the paint coating of the aircraft inlet, the mode is only suitable for removing the relatively flat surface inside the aircraft inlet, the paint removing effect of the equipment on the arc-shaped surface and the included angle is poor, and the paint removing method can only be used for manual polishing. The method for removing the radar wave-absorbing paint coating has the advantages of low operating efficiency, incomplete removal of the paint coating, mechanical damage to skin and rivets and large additional workload for subsequent maintenance, inspection, flaw detection and the like of the airplane.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for removing a radar wave-absorbing paint layer, which realizes a good paint layer removing effect by improving a paint remover of the paint layer and the removing method.
In order to achieve the purpose, the invention adopts the following technical scheme:
step 1, cleaning the surface of the paint coating until the old paint coating is exposed;
step 3, uniformly stirring the paint remover, uniformly applying the paint remover to the skin of the airplane or the part of the paint layer to be removed by adopting a brushing or spraying mode, and keeping the thickness of the paint remover between 1mm and 2mm to ensure that the surface of the paint layer is completely in a soaking state;
step 4, after the paint layer is kept for 2 to 3 hours, after the surface of the paint layer swells, scraping the swollen part of the surface of the paint layer by using a wooden or oxhorn scraper; for cleaning the paint coating layer at the joint groove part, scraping a swelling part on the surface of the paint coating layer by adopting a groove shovel tool matched with the shape of the groove;
step 5, removing swelling solid wastes on the surface of the paint coating, and cleaning the aircraft skin by using an environment-friendly cleaning agent;
step 6, cleaning the skin seams and the peripheries of the rivets by adopting handheld small-sized steam cleaning equipment;
and 7, repeating the steps 3 to 6 to the part with the residual paint coating layer to carry out secondary cleaning operation.
Preferably, the environment-friendly cleaning agent in the step 5 is acetone or gasoline.
Preferably, the temperature of the operating environment is ensured to be 15-40 ℃ when the step 3 is carried out.
The paint remover is modified, the adopted paint remover is only used as a treating agent for softening and swelling a paint coating and is not in direct contact with an aircraft skin, so that the paint coating is softened, the paint remover and the paint coating form a good solid solution state, the paint remover and the paint coating are in full contact by reducing the surface tension of the paint remover, the permeation and diffusion speeds of paint remover molecules in the paint coating can be controlled, the swelling degree of the paint coating just meets the requirement of physical removal, and the paint remover can be uniformly dispersed in the paint coating through a full permeation process to achieve good solid solution, so that the paint coating of the aircraft skin swells, and the construction operation of physical paint removal is facilitated. The final product of the paint removal is a crumb rather than a powder or slime form and the separation interface is between the primer and the skin substrate, thus allowing for easy recycling and cleaning.
Drawings
FIG. 1 is a schematic diagram showing the swelling and dissolution of a polymer.
Detailed Description
The first embodiment is as follows:
cleaning the surface of a paint coating until an old paint coating is exposed;
preparing a paint remover, wherein the paint remover comprises the following chemical components in percentage by weight: 45% of benzyl formate, 5% of nonylphenol polyvinyl ether (TX-10), 1% of liquid wax, 2% of formic acid, 3% of methyl cellulose, 2% of ethanolamine, 2% of sodium alkyl benzene sulfonate and the balance of dichloromethane, fully mixing, stirring uniformly to dissolve, and standing for 2 hours;
c, uniformly coating the paint remover on the old paint layer by adopting a brushing or spraying mode, and keeping the thickness of the paint remover within 1-2 mm to ensure that the surface of the paint layer is completely in a soaking state;
d, scraping off a swelling part on the surface of the painting layer by using a special wooden or ox horn scraper after 2.5 hours;
step e, cleaning the aircraft skin by using acetone or gasoline;
f, removing dirt from the skin butt joint seam by using a special tool;
and step g, collecting solid waste formed in the paint removing process, and performing centralized treatment.
After the paint is removed by the method, no paint layer is left on the surface of the aircraft skin, no mechanical damage is caused, and the surface is free of corrosion; no paint remover residue is left after cleaning, the anodized layer is well preserved, and the radar wave-absorbing coating falls off in a flaky shape, so that the concentrated collection and treatment are convenient.
Example 2:
step 1, cleaning the surface of the paint coating until the old paint coating is exposed;
step 3, uniformly coating the paint remover on the old paint layer by adopting a brushing or spraying mode, and keeping the thickness of the paint remover at 3mm to ensure that the surface of the paint layer is completely in a soaking state;
step 4, scraping off the swelling part on the surface of the painting layer by using a special wooden or ox horn shovel blade after 2 hours;
step 5, cleaning the aircraft skin by using acetone or gasoline;
step 6, removing dirt on the skin butt joint seam by using a special tool;
and 7, collecting solid waste formed in the paint removing process, and performing centralized treatment.
After the paint is removed by the method, the old paint layer on the surface of the skin has no residue and no mechanical damage, and the anodized layer is well preserved, and has the defects that a large amount of paint remover is adhered to the surface of the fallen coating, so that the paint remover is difficult to collect, the skin of the airplane is difficult to clean, and the paint remover residue is easy to cause.
Example 3:
step 1, cleaning the surface of the paint coating until the old paint coating is exposed, wherein the environmental temperature is 30 ℃;
step 3, uniformly coating the paint remover on the old paint layer by adopting a brushing or spraying mode, and keeping the thickness of the paint remover at 2mm to ensure that the surface of the paint layer is completely in a soaking state;
step 4, scraping off the swelling part on the surface of the painting layer by using a special wooden or ox horn scraper after 1.5 hours;
step 5, cleaning the aircraft skin by using acetone or gasoline;
step 6, removing dirt on the skin butt joint seam by using a special tool;
and 7, collecting solid waste formed in the paint removing process, and performing centralized treatment.
After the paint is removed by the method, the old paint layer on the surface of the skin has no residue and no mechanical damage, the anodized layer is well preserved, the paint removing speed is high, and the defects are that a large amount of paint remover is adhered to the surface of the fallen coating and is difficult to collect, the skin of the airplane is difficult to clean, and the paint remover residue is easy to cause.
Example 4:
step 1, cleaning the surface of the paint coating until the old paint coating is exposed, wherein the environmental temperature is 25 ℃;
step 3, uniformly coating the paint remover on the old paint layer by adopting a brushing or spraying mode, and keeping the thickness of the paint remover at 2mm to ensure that the surface of the paint layer is completely in a soaking state;
step 4, scraping off the swelling part on the surface of the painting layer by using a special wooden or ox horn scraper after 2.5 hours;
step 5, cleaning the aircraft skin by using acetone or gasoline;
step 6, removing dirt on the skin butt joint seam by using a special tool;
and 7, collecting solid waste formed in the paint removing process, and performing centralized treatment.
After the paint is removed by the method, the paint remover is volatilized quickly, an old coating cannot be swelled completely, a paint layer is left around a screw on the surface of a skin, and the removal is difficult and needs to be carried out for the second time.
Example 5:
step 1, cleaning the surface of the paint coating until the old paint coating is exposed, wherein the environmental temperature is 30 ℃;
step 3, uniformly coating the paint remover on the old paint layer by adopting a brushing or spraying mode, and keeping the thickness of the paint remover at 2mm to ensure that the surface of the paint layer is completely in a soaking state;
step 4, scraping off the swelling part on the surface of the painting layer by using a special wooden or ox horn scraper after 2.5 hours;
step 5, cleaning the aircraft skin by using acetone or gasoline;
step 6, removing dirt on the skin butt joint seam by using a special tool;
and 7, collecting solid waste formed in the paint removing process, and performing centralized treatment.
After the paint is removed by the method, the paint-removed surface has good quality, no paint layer residue and no paint remover residue, and can meet the surface state requirement of complete machine spraying.
Referring to fig. 1, in the present invention, benzyl formate and methylene chloride are used as main solvents of a paint remover, and penetrate into polymer chain-breaking gaps of a coating polymer to swell the polymer; the sodium alkyl benzene sulfonate is selected as the emulsifier, so that the flushing capacity and the stability of the sodium alkyl benzene sulfonate can be effectively improved, and the viscosity of the paint remover can be improved; ethanolamine in the formula is used as a nucleophilic solvent to accelerate the breaking of macromolecular chain break and enhance the permeation and swelling effect of the main solvent on the coating. Meanwhile, the ethanolamine has good washing and antirust capabilities; the methylcellulose serving as the thickening agent can play a role in preventing the paint remover from flowing; nonylphenol polyvinyl ether (TX-10) has lubricating and penetrating functions; the components with different proportions have great influence on the performance of the paint remover, and the paint remover is prepared according to the proportion requirement strictly in the preparation process. The method for removing the airplane radar wave-absorbing paint coating mainly plays a role in swelling the paint coating by virtue of the organic solvent in the paint remover so as to achieve the purpose of removing the old paint coating on the surface of the airplane skin. When the paint remover permeates into the gaps among the high polymers of the paint coating, the high polymers swell to ensure that the volume of the old paint coating is continuously increased, the internal stress generated by the increase of the volume of the high polymers of the old paint coating is weakened until the adhesive force of the paint coating to a substrate is damaged, the paint coating is expanded from point-like swelling to sheet-like swelling to ensure that the paint coating is wrinkled, the adhesive force of the bottom of the paint coating is completely damaged, and finally the paint coating is swelled and removed.
Claims (3)
1. A method for removing radar absorbing coating of airplane is characterized in that,
cleaning the surface of a paint coating until an old paint coating is exposed;
preparing a paint remover, wherein the paint remover comprises the following chemical components in percentage by weight: 40-45% of benzyl formate, 2-5% of nonylphenol polyvinyl ether (TX-10), 1-2% of liquid wax, 1-2% of formic acid, 2-4% of methyl cellulose, 2-3% of ethanolamine, 1-2% of sodium alkyl benzene sulfonate and the balance of dichloromethane; fully mixing, stirring uniformly to dissolve, and standing for 2 h;
c, uniformly stirring the paint remover, uniformly applying the paint remover to the skin of the airplane or the part of the paint layer to be removed in a brushing or spraying manner, and keeping the thickness of the paint remover between 1mm and 2mm to ensure that the surface of the paint layer is completely in a soaking state;
d, after keeping for 2-3 hours, scraping the swelling part on the surface of the painting layer by using a wooden or oxhorn scraper after the surface of the painting layer swells; for cleaning the paint coating layer at the joint groove part, scraping a swelling part on the surface of the paint coating layer by adopting a groove shovel tool matched with the shape of the groove;
e, removing swelling solid wastes on the surface of the paint coating, and cleaning the aircraft skin by using an environment-friendly cleaning agent;
f, cleaning the skin seams and the peripheries of the rivets by adopting handheld small-sized steam cleaning equipment;
and g, repeating the steps 3 to 6 to the part with the residual paint coating layer after the steps to carry out second cleaning operation.
2. The method for removing the radar absorbing coating of the airplane according to claim 1, wherein the environment-friendly cleaning agent in the step e is acetone or gasoline.
3. The method for removing the radar absorbing coating of the airplane according to claim 1, wherein the temperature of the operating environment is ensured to be 15-40 ℃ during the step c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110987526.3A CN113861746A (en) | 2021-08-26 | 2021-08-26 | Method for removing radar wave-absorbing paint coating of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110987526.3A CN113861746A (en) | 2021-08-26 | 2021-08-26 | Method for removing radar wave-absorbing paint coating of airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113861746A true CN113861746A (en) | 2021-12-31 |
Family
ID=78988569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110987526.3A Pending CN113861746A (en) | 2021-08-26 | 2021-08-26 | Method for removing radar wave-absorbing paint coating of airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113861746A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063721A (en) * | 1991-01-30 | 1992-08-19 | 北美爱托化学股份有限公司 | Paint remover |
| CN113068436B (en) * | 2009-06-24 | 2011-09-28 | 中国人民解放军第五七二0工厂 | Paint remover for coating of Su-27 type aircraft fairing and using method thereof |
| CN102888141A (en) * | 2012-09-24 | 2013-01-23 | 中国人民解放军第五七一九工厂 | Paint remover for removing epoxy primer and polyurethane finish coating |
| CN102964902A (en) * | 2012-11-21 | 2013-03-13 | 中国科学院金属研究所 | Paint remover as well as preparation method and application thereof |
| CN107641371A (en) * | 2017-11-20 | 2018-01-30 | 广东三和化工科技有限公司 | A kind of paint stripper |
| KR102089913B1 (en) * | 2019-11-28 | 2020-03-17 | (주)리콘 | Paint Remover And Paint Removal Method Using The Same |
-
2021
- 2021-08-26 CN CN202110987526.3A patent/CN113861746A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063721A (en) * | 1991-01-30 | 1992-08-19 | 北美爱托化学股份有限公司 | Paint remover |
| CN113068436B (en) * | 2009-06-24 | 2011-09-28 | 中国人民解放军第五七二0工厂 | Paint remover for coating of Su-27 type aircraft fairing and using method thereof |
| CN102888141A (en) * | 2012-09-24 | 2013-01-23 | 中国人民解放军第五七一九工厂 | Paint remover for removing epoxy primer and polyurethane finish coating |
| CN102964902A (en) * | 2012-11-21 | 2013-03-13 | 中国科学院金属研究所 | Paint remover as well as preparation method and application thereof |
| CN107641371A (en) * | 2017-11-20 | 2018-01-30 | 广东三和化工科技有限公司 | A kind of paint stripper |
| KR102089913B1 (en) * | 2019-11-28 | 2020-03-17 | (주)리콘 | Paint Remover And Paint Removal Method Using The Same |
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| PB01 | Publication | ||
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Application publication date: 20211231 |