CN103360931A - Waterborne strippable coating for temporarily protecting metal - Google Patents
Waterborne strippable coating for temporarily protecting metal Download PDFInfo
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- CN103360931A CN103360931A CN2013102731172A CN201310273117A CN103360931A CN 103360931 A CN103360931 A CN 103360931A CN 2013102731172 A CN2013102731172 A CN 2013102731172A CN 201310273117 A CN201310273117 A CN 201310273117A CN 103360931 A CN103360931 A CN 103360931A
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Abstract
The invention discloses a waterborne strippable coating for temporarily protecting metal. The waterborne strippable coating is prepared in the following steps of: firstly, sequentially adding a wetting agent, a dispersing agent and a thickening agent into water, and stirring the mixture; then, dispersing the mixture at high speed of 1200-2500rpm to obtain a stable dispersion liquid; then, adding waterborne polyurethane and a styrene-acrylic emulsion in the dispersion liquid while stirring, and stirring; and adjusting the stirring speed to 200-600rpm, and adding a flatting agent, a coalescing agent, a waterborne scaling agent, a waterborne corrosion inhibitor and a defoaming agent. Tests prove that the coating has the average tensile strength of 10.78MPa and the average elongation at break of 353.5% when the dry film thickness of the waterborne strippable coating is 0.08-0.09mm. After a test for the water resistance and 3% NaCl solution resistance of the coating is carried out over 48 hours, no remarkable bubbling and rusting phenomena are caused; the coating has better corrosion resistance and an uvioresistant function.
Description
Technical field
The present invention relates to a kind of water-borne coatings, particularly relate to a kind of water-based Stripable paint that is applicable to the provisional protection of metal and preparation method thereof, belong to the metal protection paint field.
Background technology
Steel, component and plant and instrument be subject to being scratch from many-sided erosion such as acid rain, steam, greasy dirt, microorganism and people in transportation and the process of storing easily, makes its surface be subject in various degree infringement, reduction of service life.General anticorrosive measure has the methods such as brush paint, thermospray.If need to remove in use paint film, usually utilize the organic solvent dissolution paint film, even directly scrape off with instrument.Such method not only will spend manpower and materials, and the paint film very obstinate, even can diminish substrate surface.If cover the provisional protective membrane of one deck at these materials or equipment surface, the erosion that can completely cut off extraneous undesirable element greatly reduces the generation of infringement.When material or equipment came into operation again, protective membrane can be peeled off in flakes, does not affect outward appearance and the performance of equipment.The demand of this respect has been satisfied in the generation of strippable protective coating.This new coating production technique is simple, and easy construction adopts the methods such as spraying, brushing to film, and therefore can be used on the baroque workpiece.
In China, the research of Stripable paint and application starting are more late than other countries, and be all relatively backward on product category, the quality and performance.In addition, because the organic solvent type Stripable paint is all showing remarkably aspect intensity, elasticity and the protective, be the main product in this field of China at present, relevant research is also many.But be, the solvent-borne type Stripable paint need to use a large amount of organic solvents, and not only contaminate environment endangers the healthy of people, and causes the serious wasting of resources.Along with the raising of people's environmental protection and awareness of saving energy, the environment-friendly type aqueous Stripable paint take water as solvent has huge development potentiality, will become the in the future study hotspot of the sector.
At present, domestic pertinent literature about the water-based Stripable paint is few.Delivered the development of the composite water-based Stripable paint of certainly synthetic aqueous polyurethane and benzene emulsion in Chinese building material science and technology such as Guo Junhong etc. 2011.This coating is peeled off effect when filming 0.2mm better, and water tolerance reaches 10h.Hongyu LIUs etc. 2012 have been delivered take polyaminoester emulsion as filmogen in Chinese Surface Engineering, and nano-calcium carbonate is the preparation and property research of the water-based Stripable paint of filler.This coating is peeled off effect when coating thickness is 0.13mm～0.14mm better, tensile strength 9.51MPa, and elongation at break 274.54%, resistance to acids and bases and water tolerance reach 12h.Although the Stripable paint of above method preparation has satisfied the protection of base material short period of time and the requirement of filming and can completely peel off, filming reaches that to peel off preferably the required thickness of effect larger, and the coating content that uses on the unit surface is more.In addition, the water tolerance of filming is lower, and antiseptic property has much room for improvement.
Summary of the invention
The object of the invention is to provide a kind of water-based Stripable paint that is applicable to the metal temporary protection; Effect peeled off by this coating and barrier propterty is better; Filming has than high tensile and elongation at break, low stripping strength, preferably water tolerance and resistance to salt water; Film and to stop significantly ultraviolet ray to penetrate.
Purpose of the present invention realizes by following technical solution:
A kind of water-based Stripable paint for the provisional protection of metal is characterized in that, by percentage to the quality, composition of raw materials comprises following component:
Described aqueous polyurethane emulsion is the aliphatic polyurethane water dispersion;
Described benzene emulsion is phenylethylene ethylene/propenoic acid ester copolymer;
Organosilicon polymer or soap that described water-based decorticating agent is hydrophilic modifying;
Described wetting agent is one or more among Hydropalat 140, Carbowet DC01, Surfynol 104H, Surfynol 465 and the TegoWet270;
Described dispersion agent is one or more among BYK-190, Tego Dispers750W, hydro disper 151 and the Dispert KPA;
Described defoamer is one or more in BYK-024, BYK-019, tego Foamex810 and the DOW CORNING 62;
Described thickening material is one or more among WP QP52000H, HS30000YP2, Rheo T30 and the RM-8W;
Described flow agent is one or more among RM2020, BYK-359, the CA-401 and 1210;
Described film coalescence aid is one or more in ethylene glycol, propylene glycol, propylene glycol phenylate and the alcohol ester 12;
During preparation, first low whipping speed is under 200rpm～600rpm, and Xiang Shuizhong adds wetting agent, dispersion agent and thickening material successively, stirs 5min～20min; Then high speed dispersion 15min～40min under 1200rpm～2500rpm obtains stable dispersion liquid; Then low whipping speed is under 600rpm～1500rpm, adds aqueous polyurethane and benzene emulsion in dispersion liquid, stirs 10min～30min; The adjusting stirring velocity is 200rpm～600rpm, adds flow agent, film coalescence aid, water-based decorticating agent, water-based inhibiter and defoamer, stirs 5min～30min, makes metal use Stripable paint.
Described wetting agent is one or more among German BASF Hydropalat140, U.S. gas chemical industry Carbowet DC01, Surfynol104H, Surfynol465 and the high TegoWet270 of German enlightening;
Described dispersion agent is one or more among German Bi Ke BYK-190, the high Tego Dispers750W of German enlightening, the hydro disper151 of Shenzhen Hai Run chemical industry company limited and the Dispert KPA of Shenzhen Ming Jia Science and Technology Ltd.;
Described defoamer is one or more in German Bi Ke BYK-024, BYK-019, the high tego Foamex810 of German enlightening and the DOW CORNING 62;
Described thickening material is one or more among DOW Chemical WP QP52000H, Clariant HS30000YP2, the Rheo T30 of the Ming Jia of Shenzhen Science and Technology Ltd. and the ROHM AND HAAS RM-8W;
Described flow agent be ROHM AND HAAS RM2020, German Bi Ke BYK-359, the Guangzhou Xuan Ning CA-401 of Chemical Industry Science Co., Ltd and Shenzhen rub can chemical industry in the company limited 1210 one or more;
Described film coalescence aid is one or more in ethylene glycol, propylene glycol, propylene glycol phenylate and the alcohol ester 12;
During preparation, first low whipping speed is under 200rpm～600rpm, adds successively wetting agent, dispersion agent and thickening material in the prescription in prescription quality part water, stirs 5min～20min; Mineral filler in the prescription is added wherein and make it fully wetting, then high speed dispersion 15min～40min under 1200rpm～2500rpm obtains stable dispersion liquid; Then low whipping speed is under 600rpm～1500rpm, adds aqueous polyurethane and benzene emulsion in the prescription in the dispersion liquid, stirs 10min～30min; The adjusting stirring velocity is 200rpm～600rpm, adds flow agent, film coalescence aid, water-based decorticating agent, water-based inhibiter and defoamer in the prescription, stirs 5min～30min, makes metal use Stripable paint.
For further realizing the object of the invention, described aqueous polyurethane emulsion is source, the Shanghai standing grain chemical industry Acure8110 of company limited, Bayhydrol XP2558, the Guangzhou sky standing grain chemical industry Acure2593 of company limited or sky, the Guangdong patina worker TC-303 of company limited.
Described benzene emulsion is Ahmedabad enrichment group RS733, RS899, Henkel KGaA Napoly7199A or Napoly7166T.
Also comprise mineral filler in the described composition of raw materials, by percentage to the quality, mineral filler accounts for 0～20%; Described mineral filler is one or more in mica powder, talcum powder, kaolin, wollastonite, the diatomite; During preparation, add and add mineral filler after wetting agent, dispersion agent and thickening material stir 5min～20min.
Also comprise the water-based inhibiter in the described composition of raw materials, by percentage to the quality, the water-based inhibiter accounts for 0～2.0%; Described water-based inhibiter is the CH07A of enlightening trading company in the Foshan City, one or more among the Shanghai strength brightness chemical industry Raybo70 of company limited and the Raybo60; During preparation, the water-based inhibiter adds with flow agent, film coalescence aid, water-based decorticating agent and defoamer.
Described water-based decorticating agent is the Dongguan outstanding minister chemical industry AA-204 of company limited, AA-306, and the chemical X800 of company limited is newly hoped in the upper seawater base chemical industry SJ-W85 of company limited or water chestnut lake, Hunan city.
This coating is coated on the prior metal through rust cleaning, oil removing with the method for blade coating or spraying; Film and leave standstill under the room temperature ventilated environment from doing, surface drying time 20min～35min does solid work time 2h～3h, dried film into canescence translucent.
When this coating build was 0.08mm～0.09mm, the average tensile strength of filming reached 10.78MPa, and average elongation at break reaches 353.5%; Water-resistance property of coating and the 3%NaCl of anti-mass concentration solution surpass 48h, and nothing is obviously bubbled and got rusty, and can stop ultraviolet penetrating.
It is main film forming substance that the present invention selects commercially available aqueous polyurethane emulsion.This emulsion has stronger tensile strength (greater than 40MPa), good rippability and solvent resistance preferably, but is elongation at break lower (less than 200%); Add the preferably benzene emulsion snappiness that can regulate polyaminoester emulsion of a kind of commercially available snappiness, solvent resistance.In film process, monomer in aqueous polyurethane and the benzene emulsion is twined mutually, form firmly chemical bond or unsettled hydrogen bond, thereby make whole filming form a kind of net high-polymer polymkeric substance with side chains such as phenyl ring, alicyclic ring, methyl, carboxyl, ester bonds.This structure not only makes to film has good snappiness, and also making films has certain intensity and hardness.Along with the volatilization of moisture, two kinds of filmogens can constantly twine, solidify in the coating, form at last continuous, transparent the filming of one deck.
The mineral filler that the present invention has a microcosmic sheet structure can effectively stop steam and ultraviolet penetrating in being dispersed in and filming, and its surperficial hydroxyl can effectively pin moisture, so this filler can improve non-corrosibility and the anti-ultraviolet function of coating.In addition, sheet structure makes filler have elasticity, can improve the elongation at break of filming.
The present invention adds an amount of water-based decorticating agent, can reduce the sticking power between coating and the base material, and coating is peeled off easily, and regulates hardness and the snappiness of filming.Especially, this decorticating agent also has hydrophobicity, can improve the water-repellancy of filming.
Inhibiter of the present invention can form protective filmy layer in the metallic surface, prevents that wet film from getting rusty at solidification process, and can improve the non-corrosibility of dry film.
The present invention has following advantage:
(1) the prepared water-based Stripable paint stable performance of the present invention, build gets final product complete peeling off less than 0.1mm, than the required cover thickness of like product is low on the market, has saved coating; The tensile strength of filming and elongation at break are higher, and performance is better than like product.
(2) the prepared water-based Stripable paint of the present invention is with aqueous polyurethane and benzene emulsion composite forming according to a certain ratio, and use cheap mineral filler, therefore production cost is relatively low, and this coating has the i.e. low VOC discharging of the total advantage of water-borne coatings simultaneously.
(3) be different from the market that most of Stripable paint can only be used for ganoid material, the prepared water-based Stripable paint of the present invention can be directly used in the shaggy metallic substance of protection, and does not exist the initial stage to dodge the rust problem; Corrosion Protection is better, and has anti-ultraviolet function, can play good protective effect to metallic substance and plant and instrument, slows down their loss.
Description of drawings
Fig. 1 is the ultraviolet-visible light transmission rate that embodiment 2 films.
Embodiment
The invention will be further described below in conjunction with drawings and Examples, but the scope of protection of present invention is not limited to the scope of embodiment statement.
Embodiment 1
A kind of water-based Stripable paint for the provisional protection of metal is comprised of the raw material of following weight proportion:
The preparation method who is used for the water-based Stripable paint of the provisional protection of metal: get 28g water and place spacious reactor, low whipping speed is under the 200rpm, add first 0.5g WP QP52000H, stirring makes its dissolving, then add successively 0.2gHydropalat 140,0.5g BYK-190, stir 30min; The 3g wollastonite is slowly added wherein, after it is fully wetting, under rotating speed 1200rpm, disperse 30min; The adjusting stirring velocity is 600rpm, adds successively 54g Bayhydrol XP 2558,6g RS733, stirs 10min; Adjusting rotary speed is 200rpm, adds successively 0.2g RM2020,6g ethylene glycol, 5g AA-204,0.5g CH07A and 0.5g BYK-024, stirs 5min.
After coating leaves standstill 24h, the four sword wet film preparing devices that use four limit height to be respectively 0.05mm, 0.075mm, 0.1mm, 0.15mm are filmed at the 120mm * 30mm that passes through polishing, rust cleaning, oil removing * 0.28mm tinplate, and making build is 0.08mm～0.09mm.Film and at room temperature place 7 days, carry out tensile strength, stripping strength, water tolerance and resistance to salt water test according to the GB of table 1 respectively, testing standard sees Table 1, and test result is as shown in table 2.
Embodiment 2
A kind of water-based Stripable paint for the provisional protection of metal is comprised of the raw material of following weight proportion:
The preparation method who is used for the water-based Stripable paint of the provisional protection of metal: get 23g water and place spacious reactor, low whipping speed is under the 400rpm, adds successively 0.6gCarbowet DC01,0.8g BYK-180, and 0.7g RM-8W stirs 10min; The 5g talcum powder is slowly added wherein, after it is fully wetting, under rotating speed 1500rpm, disperse 30min; The adjusting stirring velocity is 1000rpm, adds successively 45g Acure 2593,19g RS899, stirs 20min; Adjusting rotary speed is 500rpm, adds successively 0.6g CA-401,4g alcohol ester 12,0.5g AA-306,0.7g Raybo70 and 0.5gBYK-019, stirs 20min.
It is similar to embodiment 1 to the step of test mechanical performance to film, and last test result sees Table 2.
Peelable filming with this embodiment preparation carried out the ultraviolet-visible light transmission measurement, and the result as shown in Figure 1.Peelable filming has obvious barrier effect to UV-light, and particularly the uv transmittance of wavelength 200nm～300nm is all below 30%.
Embodiment 3
A kind of water-based Stripable paint for the provisional protection of metal is comprised of the raw material of following weight proportion:
The water-based Stripable paint that is used for the provisional protection of metal of present embodiment, its preparation method is as follows: get 22g water and place spacious reactor, low whipping speed is under the 250rpm, adds successively 0.2gCarbowet DC01,1.0g Dispert KPA, 0.8g Rheo T30 stirs 15min; The 5g mica powder is slowly added wherein, after it is fully wetting, under rotating speed 1800rpm, disperse 30min; The adjusting stirring velocity is 900rpm, adds successively 47g Acure8110,20g RS733, stirs 30min; The adjusting stirring velocity is 500rpm, adds successively 0.6g RM-2020,2.0g alcohol ester 12,1.0g AA-204,0.7g CH07A and 0.5g BYK-019, stirs 20min.
It is similar to embodiment 1 to the step of test mechanical performance to film, and last test result sees Table 2.
Embodiment 4
A kind of water-based Stripable paint for the provisional protection of metal is comprised of the raw material of following weight proportion:
The water-based Stripable paint that is used for the provisional protection of metal of present embodiment, its preparation method is as follows: get 20g water and place spacious reactor, low whipping speed is under the 600rpm, adds successively 0.2g TegoWet270,0.8g Tego Dispers750W, 0.8g RM-8W stirs 5min; Other gets, and 8.0g diatomite is slow to add wherein, after it is fully wetting, disperses 20min under rotating speed 2500rpm; The adjusting stirring velocity is 1300rpm, adds successively 45g TC-303,19g Napoly 7199A, stirs 10min; Adjusting rotary speed is 600rpm, adds successively 0.5G BYK-359,2.0g propylene glycol, 1.0g SJ-W85,0.7g Raybo60 and 0.6g Tego foamex810, stirs 5min.
It is similar to embodiment 1 to the step of test mechanical performance to film, and last test result sees Table 2.
Embodiment 5
The water-based Stripable paint that is used for the provisional protection of metal is comprised of the raw material of following weight proportion:
The water-based Stripable paint that can be used for the provisional protection of metal of present embodiment, its preparation method is as follows: get 17g water and place spacious reactor, low whipping speed is under the 300rpm, add successively 0.2g Surfynol 104H, 0.2g Surfynol465,0.2g hydro disper151,0.5g Dispert KPA, 0.7g RM-8W stirs 15min; 15g kaolin is slowly added wherein, after it is fully wetting, under rotating speed 2000rpm, disperse 25min; The adjusting stirring velocity is 1000rpm, adds successively 43g Acure8110,18g Napoly7166T, stirs 30min; The adjusting stirring velocity is 500rpm, adds successively 0.4g1210,2.0g propylene glycol phenylate, 1.0g X800,0.7g Raybo60 and 1.0g DOW CORNING 62, stirs 30min.
After coating is placed 24h, according to coating the mass ratio 3:1 of water is added entry in coating, under rotating speed 400rpm, stir 30min, then use spray gun to the 120mm*30mm*0.28mm tinplate spraying through polishing, rust cleaning, oil removing, the spraying number of times is 3～4 times, after once spraying must just can carry out after doing solid work filming of front once spraying.Final coating thickness is 0.08mm～0.09mm.Film at room temperature to place and carried out respectively tensile strength, stripping strength, water tolerance and resistance to salt water test in 7 days, last test the results are shown in Table 2.
The testing standard of the basic mechanical property that table 1 is filmed for embodiment of the invention gained, wherein tensile property comprises average tensile strength in the table 2 and the test of average elongation at break.Fig. 1 is the ultraviolet-visible light transmission measurement result who films of embodiment 2 preparations.
Table 1 film performance testing standard
The basic mechanical property that table 2 is filmed
Water-based Stripable paint ubiquity tensile strength and the shortcoming that elongation at break is low, Corrosion Protection is not enough, reason may be that the intensity of film-forming resin own is low, peel off weak effect, water-fast bad with acid-proof alkaline, perhaps Design of Coatings Formulation is not considered the protection against corrosion aspect.At first, the film-forming resin that the present invention adopts is that tensile strength is very high, stripping strength is low, water-fast and aqueous polyurethane that solvent resistance is good, good, the water-fast solvent-proof benzene emulsion of composite snappiness.The benzene emulsion macromole embeds in the aqueous polyurethane macromole, mutually twine and form firmly chemical bond or unsettled hydrogen bond, thereby make whole filming form a net high-polymer structure, increase flexibility, the flexibility of filming, and make water molecules and organic molecule be difficult to by, improve water tolerance and the solvent resistance film.Secondly, the present invention has added a kind of sheet functional stuffing.This filler aligns in coating easily, and is staggered layer by layer.The emulsion molecule is coated on around the filler, and both combine closely, and interacts, make film finer and close.The tensile strength of filming after filler adds improves greatly, and sheet structure makes the filler high resilience, and flexible, the elongation at break of filming also obviously improves.Vapour molecule is by the processes such as the absorption of general experience, dissolving, diffusion, desorb of filming.The powder that interlocks layer by layer of filming increases the vapour molecule the evolving path that adsorbs and be dissolved in filming, and permeability rate is low; The activity hydroxy of filling surface has larger reactive force to vapour molecule, and the vapour molecule that is adsorbed is filled in the space of filming, and desorb is difficult, so this functional stuffing can reduce the water vapor transmittance of filming.Functional stuffing has special crystalline structure, makes it have the function of shielding ultraviolet rays.Test shows that having added the ultraviolet ray transmissivity of filming behind this functional stuffing significantly reduces.The interaction of emulsion and functional stuffing makes to film has good mechanical property and protective.Moreover, better peeling off effect in order to make to film to have, the present invention has also added a kind of water-based decorticating agent.This decorticating agent can film and metal base between form the organic sealing coat of one deck, thereby reduce the base material sticking power of filming; This decorticating agent also has the plasticising function, makes flexible raising of filming, and the alleviation foreign impacts is conducive to film.Water-borne coatings is used in and occurs easily dried coating film initial stage sudden strain of a muscle rust problem on the metal base, therefore the present invention has added a kind of water-based inhibiter, can suppress the reaction of metallic substrate surface generation negative electrode, avoid metal by the oxidation of airborne oxygen institute, prevent that metal base from occurring getting rusty at the wet film curing initial stage, and can improve the non-corrosibility of dry film.As can be seen from Table 2, prepared peelable the filming of the present invention has than high tensile and elongation at break, low stripping strength, preferably water tolerance and resistance to salt water; Fig. 1 shows that peelable filming has the function that obvious uvioresistant penetrates.Prepared its mechanical property of filming of water-based Stripable paint and the protective of the present invention is higher than on the market like product.
Claims (8)
1. water-based Stripable paint that is used for the provisional protection of metal is characterized in that by percentage to the quality, composition of raw materials comprises following component:
Described aqueous polyurethane emulsion is the aliphatic polyurethane water dispersion;
Described benzene emulsion is phenylethylene ethylene/propenoic acid ester copolymer;
Organosilicon polymer or soap that described water-based decorticating agent is hydrophilic modifying;
Described wetting agent is one or more among Hydropalat 140, Carbowet DC01, Surfynol 104H, Surfynol 465 and the TegoWet270;
Described dispersion agent is one or more among BYK-190, Tego Dispers750W, hydro disper 151 and the Dispert KPA;
Described defoamer is one or more in BYK-024, BYK-019, Tego Foamex810 and the DOW CORNING 62;
Described thickening material is one or more among WP QP52000H, HS30000YP2, Rheo T30 and the RM-8W;
Described flow agent is one or more among RM2020, BYK-359, the CA-401 and 1210;
Described film coalescence aid is one or more in ethylene glycol, propylene glycol, propylene glycol phenylate and the alcohol ester 12;
During preparation, first low whipping speed is under 200rpm～600rpm, and Xiang Shuizhong adds wetting agent, dispersion agent and thickening material successively, stirs 5min～20min; Then high speed dispersion 15min～40min under 1200rpm～2500rpm obtains stable dispersion liquid; Then low whipping speed is under 600rpm～1500rpm, adds aqueous polyurethane and benzene emulsion in dispersion liquid, stirs 10min～30min; The adjusting stirring velocity is 200rpm～600rpm, adds flow agent, film coalescence aid, water-based decorticating agent, water-based inhibiter and defoamer, stirs 5min～30min, makes metal use Stripable paint.
2. the water-based Stripable paint for the provisional protection of metal according to claim 1, it is characterized in that: described aqueous polyurethane emulsion is Acure8110, Bayhydrol XP2558, Acure2593 or TC-303.
3. the water-based Stripable paint for the provisional protection of metal according to claim 1, it is characterized in that: described benzene emulsion is RS733, RS899, Napoly7199A or Napoly7166T.
4. the water-based Stripable paint for the provisional protection of metal according to claim 1, it is characterized in that: also comprise mineral filler in the described composition of raw materials, by percentage to the quality, mineral filler accounts for 0～20% of raw material; Described mineral filler is one or more in mica powder, talcum powder, kaolin, wollastonite, the diatomite; During preparation, add and add mineral filler after wetting agent, dispersion agent and thickening material stir 5min～20min.
5. the water-based Stripable paint for the provisional protection of metal according to claim 1, it is characterized in that: also comprise the water-based inhibiter in the described composition of raw materials, by percentage to the quality, the water-based inhibiter accounts for 0～2.0% of raw material; Described water-based inhibiter is one or more among CH07A, Raybo70 and the Raybo60; During preparation, the water-based inhibiter adds with flow agent, film coalescence aid, water-based decorticating agent and defoamer.
6. the water-based Stripable paint for the provisional protection of metal according to claim 1, it is characterized in that: described water-based decorticating agent is AA-204, AA-306, SJ-W85 or X800.
7. the water-based Stripable paint for the provisional protection of metal according to claim 1 is characterized in that: this coating is coated on the prior metal through rust cleaning, oil removing with the method for blade coating or spraying; Film and leave standstill under the room temperature ventilated environment from doing, surface drying time 20min～35min does solid work time 2h～3h, dried film into canescence translucent.
8. the water-based Stripable paint for the provisional protection of metal according to claim 7 is characterized in that: when this coating build was 0.08mm～0.09mm, the average tensile strength of filming reached 10.78MPa, and average elongation at break reaches 353.5%; Water-resistance property of coating and the 3%NaCl of anti-mass concentration solution surpass 48h, and nothing is obviously bubbled and got rusty, and can stop ultraviolet penetrating.
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| CN108276892A (en) * | 2018-03-02 | 2018-07-13 | 山东七维新材料有限公司 | A kind of aqueous Stripable paint and preparation method thereof |
| CN108300037A (en) * | 2017-08-30 | 2018-07-20 | 常州思宇知识产权运营有限公司 | A kind of aqueous Stripable paint and preparation method thereof |
| CN109913065A (en) * | 2019-03-21 | 2019-06-21 | 云南光电辅料有限公司 | A kind of optical element completion protective coating and preparation method thereof |
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| CN112778815A (en) * | 2020-04-28 | 2021-05-11 | 铭钜新材料科技(上海)有限公司 | Peelable temporary protection water-based paint and preparation method thereof |
| US11021261B2 (en) * | 2019-01-10 | 2021-06-01 | The Boeing Company | Protective coatings for turbine blades and methods |
| CN113683936A (en) * | 2021-08-27 | 2021-11-23 | 浙江高成绿能科技有限公司 | Water-based strippable nuclear biochemical protective film spraying liquid and preparation and use methods thereof |
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| CN106833342A (en) * | 2017-02-23 | 2017-06-13 | 国网山东省电力公司临沂供电公司 | A kind of preparation method of aqueous Stripable paint |
| CN108300037A (en) * | 2017-08-30 | 2018-07-20 | 常州思宇知识产权运营有限公司 | A kind of aqueous Stripable paint and preparation method thereof |
| CN107974156A (en) * | 2017-11-24 | 2018-05-01 | 黄禹 | A kind of environment-friendly water-based stripping lacquer of automobile using and its preparation method and application |
| CN107974156B (en) * | 2017-11-24 | 2019-11-12 | 黄禹 | A kind of environment-friendly water-based stripping lacquer of automobile and its preparation method and application |
| CN108276892A (en) * | 2018-03-02 | 2018-07-13 | 山东七维新材料有限公司 | A kind of aqueous Stripable paint and preparation method thereof |
| US11021261B2 (en) * | 2019-01-10 | 2021-06-01 | The Boeing Company | Protective coatings for turbine blades and methods |
| CN109913065A (en) * | 2019-03-21 | 2019-06-21 | 云南光电辅料有限公司 | A kind of optical element completion protective coating and preparation method thereof |
| CN110394284A (en) * | 2019-07-20 | 2019-11-01 | 中国船舶重工集团公司第七二四研究所 | A kind of surface spraying membrane type gadget turnover debugging process short-term defences method |
| CN112778815A (en) * | 2020-04-28 | 2021-05-11 | 铭钜新材料科技(上海)有限公司 | Peelable temporary protection water-based paint and preparation method thereof |
| CN113683936A (en) * | 2021-08-27 | 2021-11-23 | 浙江高成绿能科技有限公司 | Water-based strippable nuclear biochemical protective film spraying liquid and preparation and use methods thereof |
| CN116179067A (en) * | 2023-03-15 | 2023-05-30 | 上海振华重工(集团)股份有限公司 | Strippable coating and preparation method thereof |
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