CN102408775A - Nontoxic environment-friendly paint remover - Google Patents
Nontoxic environment-friendly paint remover Download PDFInfo
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- CN102408775A CN102408775A CN2011103122628A CN201110312262A CN102408775A CN 102408775 A CN102408775 A CN 102408775A CN 2011103122628 A CN2011103122628 A CN 2011103122628A CN 201110312262 A CN201110312262 A CN 201110312262A CN 102408775 A CN102408775 A CN 102408775A
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- paint remover
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Abstract
The invention discloses a nontoxic environment-friendly paint remover which is prepared from compound solvent, cosolvent, corrosion inhibition accelerator, thickening agent, penetrant and stabilizer. The invention has the following advantages: 1. the paint removing speed is high: the paint remover can dissolve common coatings within 20 minutes; 2. the paint remover does not corrode ferrous metals and non-ferrous metals; 3. the paint remover has high flash point, and is nontoxic and free of methylene chlorides, and the raw materials are biodegradable; 4. the paint remover can be used at -15-50 DEG C, and is free from the environmental effects of high humidity and high heat; 5. different from other paint removers, the metal surface subjected to the paint remover disclosed by the invention can prevent rust for 1 week; and 6. the paint remover is free of volatile inhibitor paraffin, thickening agent polymethyl methacrylate and other substances contained in the traditional paint remover, and the residues after paint removal can be easily flushed and cleaned with water. The invention can be used for overhaul and paint removal of ships, tanks, nuclear facilities, airplanes, automobiles, seamount drogues and other facilities, and can also be used for overhaul and paint removal of oil storage tanks, bridges, wharves, electrical enclosures and the like.
Description
Technical field
The invention belongs to the paint remover field, relate to a kind of asepsis environment-protecting paint remover.
Background technology
Along with the continuous construction of Information Army, the military equipment of my army is superior day by day, and the application of high new equipment is more extensive, and the application of novel material is more general, constantly has new weapon dress equipment to equip military service.As: aircraft, naval vessel, tank and automobile are in training process; Because China is vast in territory; Area, north and south temperature, damp and hot, difference is bigger, damp and hot, the high salt fog of the sand and dust of northern area, ice and snow and coastland; Can quicken more to equip that aging, be full of cracks, peeling appear in coating and phenomenon such as come off, cause paint film to lose the protection decoration function.Being equipped in must care and maintenance after training or the manoeuvre, keeps the serviceability rate of equipment, and application again in the maintenance process then need be removed old paint film.
Paint film is thermoplastic resin and room temperature crosslinking curing resin normally; Like Synolac, pyroxylin(e)finish, epoxy resin, polyurethane(s) lacquer etc.; The paint film of these polymkeric substance can both be dissolve or swell in the suitable organic solvent, and all contains some active function groups in these polymer molecules, like ester bond, ehter bond, amido linkage etc.; Under the effect of the acid of heat or alkali, be prone to take place chemical reactions such as acidolysis, alkaline hydrolysis; Cause its molecular rupture, therefore, old paint film is removed by organic solvent paint remover or basic paint remover, acid paint remover easily.The effect of paint remover is exactly a bonding force of destroying the space structure of paint film or paint film and base material.Solvent molecule in the paint remover is penetrated in the molecule segment of paint film polymkeric substance, the paint film dissolving; Or polymer macromolecule volume increase generation internal stress, when internal stress was enough to destroy the bounding force of paint film and base material, paint film just came off.
At present, domestic paint remover product all contains objectionable constituent such as methene chloride, phenol mostly, and environment is had negative impact, and is also bigger to the human injury.Along with China's rapid economic development, people's environmental consciousness strengthens and European Union member countries forbid that to methylene dichloride type paint remover the paint remover of development of new environment-friendly degradable is those skilled in the art's a important subject.
Summary of the invention
Technical problem to be solved by this invention is to overcome existing paint remover to have that toxicity is big, seriously corroded; Evaporation rate is fast, contain and be difficult for cleaning after paraffin causes depainting; Influence recoat sticking power; Factors such as suitable environment is narrow, the asepsis environment-protecting paint remover that a kind of asepsis environment-protecting is provided, can under-15 ℃ of-50 ℃ of environment, use.
Technical problem to be solved by this invention can realize through following technical scheme:
A kind of asepsis environment-protecting paint remover is prepared from following materials in percentage by mass:
Double solvents 67.5～78.3%;
Solubility promoter 10～15%;
Corrosion inhibition accelerator 6～9%;
Thickening material 3～4.5%;
Permeate agent 2～3%;
Stablizer 0.7～1.0%.
Double solvents of the present invention is an ester class double solvents.
Affiliated ester class double solvents is made up of Rhodiasolv IRIS, dibasic ester DBE, fatty acid methyl ester arbitrary proportion mixture.
In a preferred embodiment of the invention, described solubility promoter is a phenylcarbinol.
Described thickening material is methylcellulose gum or TKK 021.
Described permeate agent is a kind of or its mixture in polyoxyethylene nonylphenol (OP-10), the AEO (JFC).
Described corrosion inhibition accelerator is selected from Hefei Ke Yuan and uses the slow short agent KY-S of paint film swelling that chemical institute is produced, and it is mainly by C
12～C
16Carboxylate salt and organic amine reaction make.
Described stablizer is selected from antioxidant 2246 or antioxidant 300.
Compared with prior art, asepsis environment-protecting paint remover of the present invention has following advantage:
1. paint stripping rate is fast: the common coating of solubilized (organosilicon, vinylformic acid, epoxy, alkyd, nitro etc.) in 20 minutes.
2. corroding metal not: ferrous metal and non-ferrous metal are not all had corrosion.
3. safety and environmental protection: flash-point is high, nontoxic, does not contain methene chloride, uses raw material biodegradable.
4. applied environment is wide: can under-15 ℃ of-50 ℃ of environment, use, not influenced by high humidity and high thermal environment.
5. depainting does not return rust: different with other paint remover, the metallic surface can antirustly reach for 1 week after the present invention removed coating.
6. be prone to the water flushing: the present invention does not contain materials such as volatilization inhibitor paraffin contained in traditional depainting and thickening material polymethylmethacrylate, and the residue behind the depainting is easy to water and rinses well.
7. applied range: be mainly used in the depainting of overhauling of equipments such as naval vessel, tank, nuclear installation, aircraft, automobile, seamount buoy, also can be used for petroleum storage tank, bridge, harbour, electric appliance casing etc. and overhaul depainting.
Through detecting, the index of asepsis environment-protecting paint remover of the present invention is seen table 1
Embodiment
In this embodiment; The fatty acid methyl ester that adopts is selected from the epoxy group(ing) fatty acid methyl ester that Hebei company of Jin Gu oil technology ltd produces; Dibasic ester is selected from inferior Shanghai, sieve ground Rhodiasolv IRIS of company; Dibasic ester is selected from Shenzhen and flies upward (the trade(brand)name NME-1) that chemical company produces, and corrosion inhibition accelerator is used the slow short agent of KY-S paint film swelling of chemical institute for Hefei Ke Yuan; The concrete prescription of each embodiment is seen table 2
Table 2.
The preparation technology of the foregoing description asepsis environment-protecting paint remover: thickening material and the stablizer of at first getting formula ratio add predissolve in the phenylcarbinol together, and the solution after the dissolving is that the A component is for use; Secondly, esters solvent is at room temperature mixed, under agitation add permeate agent, slowly-releasing promotor successively, stirred 30 minutes, get the B component; At last, under agitation the A component is added in the B component and fully stirred 30 minutes, filter and be asepsis environment-protecting paint remover of the present invention.
The depainting efficiency calculation method of asepsis environment-protecting paint remover of the present invention is following
Depainting efficient is one of leading indicator that detects the depainting performance, and its testing method is with reference to industry standard HG/T2881 1997 " depainting efficiency test method ".Formula is:
Show through applied research, instance 1 asepsis environment-protecting paint remover brushing on petroleum storage tank to depainting efficient in the urethane paint film 15 minutes greater than 98%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on the tank surface, depainting efficient is greater than 98%; On probation through Certain Navy Yard portion, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 98%; Electronics Factory uses through Hebei, and electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, and depainting efficient is greater than 99%; Auto parts machinery factory uses in the Anji, soaks in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, and depainting efficient is all greater than 97%.
Instance 2 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the urethane paint film 15 minutes greater than 92%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on the tank surface, depainting efficient is greater than 92%; On probation through Certain Navy Yard portion, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 94%; Electronics Factory uses through Hebei, and electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, and depainting efficient is greater than 95%; Auto parts machinery factory uses in the Anji, soaks in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, and depainting efficient is all greater than 95%.
Instance 3 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the urethane paint film 15 minutes greater than 90%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on the tank surface, depainting efficient is greater than 93%; On probation through Certain Navy Yard portion, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 94%; Electronics Factory uses through Hebei, and electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, and depainting efficient is greater than 90%; Auto parts machinery factory uses in the Anji, soaks in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, and depainting efficient is all greater than 95%.
Instance 4 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the urethane paint film 15 minutes greater than 95%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on the tank surface, depainting efficient is greater than 93%; On probation through Certain Navy Yard portion, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 93%; Electronics Factory uses through Hebei, and electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, and depainting efficient is greater than 96%; Auto parts machinery factory uses in the Anji, soaks in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, and depainting efficient is all greater than 95%.
Instance 5 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the urethane paint film 15 minutes greater than 95%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on the tank surface, depainting efficient is greater than 95%; On probation through Certain Navy Yard portion, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 93%; Electronics Factory uses through Hebei, and electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, and depainting efficient is greater than 94%; Auto parts machinery factory uses in the Anji, soaks in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, and depainting efficient is all greater than 93%.
Instance 6 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the urethane paint film 15 minutes greater than 90%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on the tank surface, depainting efficient is greater than 96%; On probation through Certain Navy Yard portion, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 96%; Electronics Factory uses through Hebei, and electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, and depainting efficient is greater than 95%; Auto parts machinery factory uses in the Anji, soaks in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, and depainting efficient is all greater than 92%.
Instance 7 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the urethane paint film 15 minutes greater than 93%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on the tank surface, depainting efficient is greater than 93%; On probation through Certain Navy Yard portion, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 94%; Electronics Factory uses through Hebei, and electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, and depainting efficient is greater than 90%; Auto parts machinery factory uses in the Anji, soaks in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, and depainting efficient is all greater than 95%.
As stated, asepsis environment-protecting paint remover of the present invention is all effective, but the depainting efficient of embodiment 1 is best.
Above-mentioned instance only be for explain that the present invention does for example, be not to qualification of the present invention.For the technician in this field, on above-mentioned basis, can do infinite change, can't give exhaustive for all embodiments here.Everyly belong to the extended change of the present invention program, still be within the protection domain of the present invention.
Claims (8)
1. asepsis environment-protecting paint remover is characterized in that: be prepared from following materials in percentage by mass:
Double solvents 67.5～78.3%;
Solubility promoter 10～15%;
Corrosion inhibition accelerator 6～9%;
Thickening material 3～4.5%;
Permeate agent 2～3%;
Stablizer 0.7～1.0%.
2. asepsis environment-protecting paint remover as claimed in claim 1 is characterized in that, described double solvents is an ester class double solvents.
3. asepsis environment-protecting paint remover as claimed in claim 2 is characterized in that, said esters solvent is Rhodiasolv IRIS, dibasic ester DBE, fatty acid methyl ester arbitrary proportion mixture.
4. asepsis environment-protecting paint remover as claimed in claim 1 is characterized in that described solubility promoter is a phenylcarbinol.
5. asepsis environment-protecting paint remover as claimed in claim 1 is characterized in that, described thickening material is methylcellulose gum or TKK 021.
6. asepsis environment-protecting paint remover as claimed in claim 1 is characterized in that, described permeate agent is a kind of or its mixture in polyoxyethylene nonylphenol (OP-10), the AEO (JFC).
7. asepsis environment-protecting paint remover as claimed in claim 1 is characterized in that, described corrosion inhibition accelerator is selected from Hefei Ke Yuan and uses the slow short agent KY-S of paint film swelling that chemical institute is produced.
8. asepsis environment-protecting paint remover as claimed in claim 1 is characterized in that described stablizer is selected from antioxidant 2246 or antioxidant 300.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103122628A CN102408775A (en) | 2011-10-14 | 2011-10-14 | Nontoxic environment-friendly paint remover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103122628A CN102408775A (en) | 2011-10-14 | 2011-10-14 | Nontoxic environment-friendly paint remover |
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| CN102408775A true CN102408775A (en) | 2012-04-11 |
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| CN2011103122628A Pending CN102408775A (en) | 2011-10-14 | 2011-10-14 | Nontoxic environment-friendly paint remover |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031016A (en) * | 2012-12-12 | 2013-04-10 | 深圳中海化石油化工投资有限公司 | Environment-friendly cleaning agent for printed screen of circuit board |
| CN103881469A (en) * | 2014-03-10 | 2014-06-25 | 苏州捷德瑞精密机械有限公司 | Normal-temperature paint remover and preparation method thereof |
| AT13941U1 (en) * | 2012-07-03 | 2015-01-15 | Häffner Gmbh & Co Kg | Demarkierungsmittel |
| CN106833103A (en) * | 2017-04-06 | 2017-06-13 | 苏州市金纳润特科技有限公司 | A kind of special paint stripper of harbour capital construction |
| CN106893393A (en) * | 2017-03-08 | 2017-06-27 | 苏州市金纳润特科技有限公司 | A kind of efficient depainting cream of environmental protection |
-
2011
- 2011-10-14 CN CN2011103122628A patent/CN102408775A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT13941U1 (en) * | 2012-07-03 | 2015-01-15 | Häffner Gmbh & Co Kg | Demarkierungsmittel |
| CN103031016A (en) * | 2012-12-12 | 2013-04-10 | 深圳中海化石油化工投资有限公司 | Environment-friendly cleaning agent for printed screen of circuit board |
| CN103031016B (en) * | 2012-12-12 | 2014-07-23 | 深圳中海化石油化工投资有限公司 | Environment-friendly cleaning agent for printed screen of circuit board |
| CN103881469A (en) * | 2014-03-10 | 2014-06-25 | 苏州捷德瑞精密机械有限公司 | Normal-temperature paint remover and preparation method thereof |
| CN106893393A (en) * | 2017-03-08 | 2017-06-27 | 苏州市金纳润特科技有限公司 | A kind of efficient depainting cream of environmental protection |
| CN106833103A (en) * | 2017-04-06 | 2017-06-13 | 苏州市金纳润特科技有限公司 | A kind of special paint stripper of harbour capital construction |
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| PB01 | Publication | ||
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Application publication date: 20120411 |