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CN103013220A - Green paint remover composition - Google Patents

Green paint remover composition Download PDF

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Publication number
CN103013220A
CN103013220A CN201110278313XA CN201110278313A CN103013220A CN 103013220 A CN103013220 A CN 103013220A CN 201110278313X A CN201110278313X A CN 201110278313XA CN 201110278313 A CN201110278313 A CN 201110278313A CN 103013220 A CN103013220 A CN 103013220A
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Prior art keywords
paint remover
paint
remover composition
green paint
green
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CN201110278313XA
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水立军
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Priority to CN201110278313XA priority Critical patent/CN103013220A/en
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Abstract

The present invention discloses a green paint remover composition, which is prepared from a main solvent, a cosolvent, a corrosion inhibition accelerator, a thickener, a penetrating agent and a stabilizer. The green paint remover composition has the following advantages: 1, paint removing is rapid, wherein a common coating can be dissolved within 20 min; 2, the paint remover composition does not corrode ferrous metals and non-ferrous metals; 3, the paint remover composition has characteristics of high flash point and no toxicity, and does not contain methylene chloride, and the used raw materials can be biodegraded; 4, the paint remover composition can be used in an environment with a temperature of -15-50 DEG C, and is not affected by a high humidity and high thermal environment; 5, the paint remover composition is different from other paint removers, wherein the metal surface can maintain an anti-rust performance for up to 1 week after removing the paint remover composition; and 6, the paint remover composition does not contain a volatile inhibitor paraffin, a thickener polymethylmethacrylate and other substances, the paint-removed residue is easy to rinse with water, and the green paint remover composition can be used for rebuild paint removing of ships, tanks, nuclear facilities, aircrafts, automobiles, seamount buoys and other equipment, and can be used for rebuild paint removing of petroleum storage tanks, bridges, docks, electrical enclosures and the like, wherein the traditional paint remover contains the volatile inhibitor paraffin, the thickener polymethylmethacrylate and other substances.

Description

A kind of green paint-remover composition
Technical field
The invention belongs to the paint remover field, relate to a kind of environmental protection Novel paint remover.
Background technology
Along with the continuous construction of Information Army, the military equipment of my army is day by day superior, and the application of high new equipment is more extensive, and the application of novel material is more general, constantly has new weaponry to equip military service.As: aircraft, naval vessel, tank and automobile etc. are in training process; because China is vast in territory; the North and South temperature, damp and hot; difference is larger; damp and hot, the high salt fog of the sand and dust of northern area, ice and snow and coastland; can accelerate more to equip that aging, be full of cracks, peeling appear in coating and the 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 again application in the maintenance process then needs to remove old paint film.
Paint film is thermoplastic resin and room temperature crosslinking curing resin normally, such as Synolac, pyroxylin(e)finish, Resins, epoxy, polyurethane(s) lacquer etc., the paint film of these polymkeric substance can both be dissolve or swell in the suitable organic solvent, and all contain some active function groups in these polymer molecules, such as ester bond, ehter bond, amido linkage etc., the chemical reactions such as acidolysis, alkaline hydrolysis easily occur under the effect of the acid of heat or alkali, cause its molecular rupture, therefore, old paint film is easily removed by organic solvent paint remover or basic paint remover, acid paint remover.The effect of paint remover is exactly the 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 the objectionable constituent such as methene chloride, phenol mostly, and environment is had negative impact, and is also larger to the human injury.Along with developing rapidly of China's economy, 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 green environmental protection degradable is those skilled in the art's 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 large, seriously corroded, evaporation rate is fast, contain paraffin causes behind the depainting not easy cleaning, affect recoat sticking power, the factors such as suitable environment is narrow, the green paint remover that provide a kind of green novel environment friendly paint remover, can under-15 ℃ of-50 ℃ of environment, use.
Technical problem to be solved by this invention can be achieved through the following technical solutions:
A kind of green paint remover is prepared from by following materials in percentage by mass:
Main solvent 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%.
Main solvent of the present invention is Rhodiasolv IRIS, epoxy group(ing) fatty acid methyl ester, is preferably Rhodiasolv IRIS and epoxy group(ing) fatty acid methyl ester and mixes at 1: 1 with mass ratio.
In a preferred embodiment of the invention, described solubility promoter is hexylene glycol.
Described thickening material is methylcellulose gum or ethyl cellulose.
Described permeate agent is isomerous tridecanol.
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, green paint remover of the present invention has following advantage:
1. paint stripping rate is fast: the common coating of solubilized (amino, organosilicon, vinylformic acid, epoxy, alkyd, nitro etc.) in 20 minutes.
2. corroding metal not: to ferrous metal and non-ferrous metal all without corrosion.
3. safety and environment protection: flash-point is high, nontoxic, does not contain methene chloride and heavy metal, uses raw material all biodegradable.
4. applied environment is wide: can use under-15 ℃ of-50 ℃ of environment, not affected by high humidity and high thermal environment.
5. depainting does not return rust: different from other paint remover, the metallic surface can antirustly reach for 1 week after the green paint remover of the present invention removed coating.
6. easily water flushing: the present invention does not contain the materials such as volatilization inhibitor paraffin contained in traditional paint remover 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 the 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.
Embodiment
In this embodiment, the fatty acid methyl ester of employing is selected from the epoxy group(ing) fatty acid methyl ester that Hebei company of Jin Gu oil technology company limited produces; Rhodiasolv IRIS is selected from inferior Shanghai, sieve ground company, and isomerous tridecanol is selected from (AE05-13) chemical industry (Zhangjiagang) company limited of circling in the air; Corrosion inhibition accelerator is selected from the slow short agent of KY-S paint film swelling that Hefei Ke Yuan uses chemical institute; The concrete prescription of each embodiment sees Table 2
Table 2.
Figure BSA00000576362500031
The preparation technology of the green paint remover of above-described embodiment: thickening material and the stablizer of at first getting formula ratio add predissolve in the hexylene glycol together, and the solution after the dissolving is that the A component is stand-by; Secondly, fatty acid methyl ester and Rhodiasolv IRIS are at room temperature mixed, under agitation add successively permeate agent, slowly-releasing promotor, 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 the green paint remover that is gained of the present invention.
The depainting efficiency calculation method of the green paint remover of the present invention is as follows
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:
Figure BSA00000576362500032
Show through applied research, example 1 asepsis environment-protecting paint remover brushing on petroleum storage tank to depainting efficient in the Polyurethane lacquer 15 minutes greater than 98.5%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on tank surface, depainting efficient is greater than 98%; On probation through section of naval, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 98%; Use through Hebei Electronics Factory, electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, depainting efficient is greater than 99.5%; Use in Anji auto parts machinery factory, soak in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, depainting efficient is all greater than 98%.
Example 2 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the Polyurethane lacquer 15 minutes greater than 92%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on tank surface, depainting efficient is greater than 92%; On probation through section of naval, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 94%; Use through Hebei Electronics Factory, electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, depainting efficient is greater than 95%; Use in Anji auto parts machinery factory, soak in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, depainting efficient is all greater than 95%.
Example 3 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the Polyurethane lacquer 15 minutes greater than 90%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on tank surface, depainting efficient is greater than 93%; On probation through section of naval, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 94%; Use through Hebei Electronics Factory, electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, depainting efficient is greater than 90%; Use in Anji auto parts machinery factory, soak in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, depainting efficient is all greater than 95%.
Example 4 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the Polyurethane lacquer 15 minutes greater than 95%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on tank surface, depainting efficient is greater than 93%; On probation through section of naval, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 93%; Use through Hebei Electronics Factory, electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, depainting efficient is greater than 96%; Use in Anji auto parts machinery factory, soak in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, depainting efficient is all greater than 95%.
Example 5 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting effect in the Polyurethane lacquer 15 minutes
Rate is greater than 95%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on tank surface, depainting efficient is greater than 95%; On probation through section of naval, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 93%; Use through Hebei Electronics Factory, electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, depainting efficient is greater than 94%; Use in Anji auto parts machinery factory, soak in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, depainting efficient is all greater than 93%.
Example 6 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the Polyurethane lacquer 15 minutes greater than 90%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on tank surface, depainting efficient is greater than 96%; On probation through section of naval, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 96%; Use through Hebei Electronics Factory, electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, depainting efficient is greater than 95%; Use in Anji auto parts machinery factory, soak in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, depainting efficient is all greater than 92%.
Example 7 asepsis environment-protecting paint remover brushings on petroleum storage tank to depainting efficient in the Polyurethane lacquer 15 minutes greater than 93%; Application through certain ordnance factory, brushing can remove the corrosion protection coating on tank surface in 10 minutes on tank surface, depainting efficient is greater than 93%; On probation through section of naval, brushing can remove the ship deck lacquer in 15 minutes on ship deck, and depainting efficient is greater than 94%; Use through Hebei Electronics Factory, electronics CD-ROM drive element is immersed in the paint remover of the present invention, can remove fluorine carbon lacquer in 6 minutes, depainting efficient is greater than 90%; Use in Anji auto parts machinery factory, soak in 10 minutes and can deviate from electrocoating paint and acrylic acid aqueous lacquer, depainting efficient is all greater than 95%.
As mentioned above, asepsis environment-protecting paint remover of the present invention is all effective, but the depainting efficient of embodiment 1 is best.
Above-mentioned example only be for illustrate that the present invention does for example, be not limitation of the invention.For the person skilled in art, on above-mentioned basis, can do infinite change, can't give for all embodiments exhaustive here.Everyly belong to the extended change of the present invention program, still be within the protection domain of the present invention.

Claims (7)

1. green paint-remover composition is characterized in that: be prepared from by following materials in percentage by mass:
Main solvent 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. green paint remover as claimed in claim 1 is characterized in that, described main solvent is Rhodiasolv IRIS, fatty acid methyl ester arbitrary proportion mixture, and preferred proportion is 1: 1.
3. green paint remover as claimed in claim 1 is characterized in that, described solubility promoter is hexylene glycol.
4. green paint remover as claimed in claim 1 is characterized in that, described thickening material is methylcellulose gum or ethyl cellulose.
5. green paint remover as claimed in claim 1 is characterized in that, described permeate agent is isomerous tridecanol.
6. green 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.
7. green paint remover as claimed in claim 1 is characterized in that, described stablizer is selected from antioxidant 2246 or antioxidant 300.
CN201110278313XA 2011-09-20 2011-09-20 Green paint remover composition Pending CN103013220A (en)

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Application Number Priority Date Filing Date Title
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CN103013220A true CN103013220A (en) 2013-04-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106752289A (en) * 2016-12-08 2017-05-31 马鞍山拓锐金属表面技术有限公司 A kind of environment-friendly aqueous quick paint stripper and preparation method thereof
CN106883669A (en) * 2017-03-08 2017-06-23 苏州市金纳润特科技有限公司 A kind of paint removing composition of environment-friendly high-efficiency
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
CN107502033A (en) * 2017-08-03 2017-12-22 无锡市恒利弘实业有限公司 A kind of water base environmentally friendly enamelled coating cleaning agent of frictional property and its preparation method and application

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101130647A (en) * 2007-04-10 2008-02-27 大连工业大学 paint remover
CN101684213A (en) * 2009-07-31 2010-03-31 南京师范大学 Multifunctional chorine-free and benzene-free compound paint stripper and production method thereof
WO2010084159A1 (en) * 2009-01-23 2010-07-29 Rhodia Operations Stripping composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101130647A (en) * 2007-04-10 2008-02-27 大连工业大学 paint remover
WO2010084159A1 (en) * 2009-01-23 2010-07-29 Rhodia Operations Stripping composition
CN101684213A (en) * 2009-07-31 2010-03-31 南京师范大学 Multifunctional chorine-free and benzene-free compound paint stripper and production method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106752289A (en) * 2016-12-08 2017-05-31 马鞍山拓锐金属表面技术有限公司 A kind of environment-friendly aqueous quick paint stripper and preparation method thereof
CN106883669A (en) * 2017-03-08 2017-06-23 苏州市金纳润特科技有限公司 A kind of paint removing composition of environment-friendly high-efficiency
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
CN107502033A (en) * 2017-08-03 2017-12-22 无锡市恒利弘实业有限公司 A kind of water base environmentally friendly enamelled coating cleaning agent of frictional property and its preparation method and application
CN107502033B (en) * 2017-08-03 2020-12-04 山东天智信息科技有限公司 A kind of friction water-based environmental protection paint layer cleaning agent and preparation method and application thereof

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Application publication date: 20130403