CN101012349A - Modified polybutadiene anticorrosion paint for steel plate - Google Patents
Modified polybutadiene anticorrosion paint for steel plate Download PDFInfo
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- CN101012349A CN101012349A CN 200710079538 CN200710079538A CN101012349A CN 101012349 A CN101012349 A CN 101012349A CN 200710079538 CN200710079538 CN 200710079538 CN 200710079538 A CN200710079538 A CN 200710079538A CN 101012349 A CN101012349 A CN 101012349A
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Abstract
The invention discloses an antiseptic paint of modified polybutadiene for colorful steel board, pipe and part, which comprises the following steps: adopting 30-80% modified polybutadiene or modified polybutadiene and liquid polybutadiene or liquid polybutadiene as raw material; adding 19-69% organic solvent and 0.01-20% adjuvant; reacting from normal temperature to 160 deg.c for 6-20h; making varnish; adding dye and fill in the varnish; fitting for vacuum aluminium-plating priming paint domain.
Description
Technical field
The present invention relates to a kind of coating that is applied to steel plate, particularly relate to a kind of modified polybutadiene anticorrosion paint that is applied to color steel sheet, steel pipe, iron and steel parts.
Background technology
Develop article one color steel sheet production line by the U.S. thirties in last century, and between fifties to 90 year, the U.S., Japan and European countries are further perfect to coating, production technique, quality control that color steel sheet uses, and output has had further raising.After the nineties, product develops to high quality, diversified direction.At present, the U.S., Europe and Japanese color steel sheet output have reached and have produced about 2,000 ten thousand tons per year.China mainly was low-grade color steel sheet the eighties in the past, and annual production has only several ten thousand tons.The eighties, Anshan iron and steel plant, Wuhan Iron and Steel Plant, Baosteel etc. were in succession from the colored steel production line of external introduction to the beginning of the nineties, and production capacity enlarges gradually, but also has only the hundreds of thousands of ton.Over past ten years, China's color steel throughput improves greatly, can reach up till now to produce about 5,000,000 tons per year, and it is saturated the low-end market trend to have occurred, and high-end product can not satisfy the needs of domestic market, needs the trend of a large amount of imports.At present, color steel has obtained widespread use in fields such as building, household electrical appliances, automobile, highway, electronics and packings.Along with China's rapid economy development, the variation that all trades and professions need color steel, the further refinement and the expansion of the Application Areas of color steel, how further to enlarge the production capacity of color steel, provide that numerous in variety, steady quality is reliable, the color steel of excellent performance, Iron and Steel Enterprises in China is had higher requirement, also provide very big opportunity to develop and space for iron and steel enterprise.
The quality of color steel sheet mainly depends on the performance of colo(u)r coating.The coating that color steel uses mainly comprises multiple kinds such as polyester, Resins, epoxy, urethane, polyacrylic acid, polyvinyl chloride resin, fluorine resin.PVC coating is mainly used in low side fields such as container plate, roof, wall panel.Because the construction technology instability, environmental pollution seriously belongs to obsolete product gradually.Poor, the construction pollution of epoxy resin-based paint weather resisteant, but mainly be used as priming paint because intensity, wear resistance, chemical stability and sticking power are good.Polyurethane paint also has shortcomings such as price is higher, construction pollution, but wear resistance, snappiness, chemical resistance is good and be widely used in fields such as automobile.Though the anti-deformability of polyacrylic acid lacquer is poor, antipollution, wear-resisting, glossiness good and be applied to utensil and interior trim field.Though polyester lacquer weather resisteant is poor, chemical stability, good heat resistance and price are relatively low and be widely used in building, vehicle, field such as electric, are the main coating varieties that color steel uses.Fluorine resin is the new variety of color steel sheet sector application, and its weather resisteant, wear resistance, erosion resistance are very excellent, but price is very expensive, is applied to building privileged sites with automobile etc. etc.From view of production technology, prime the earlier again production technique of overpainting of employing at present mostly.But from development in future, adopting the bottom surface unification will simplify technology, reduce cost, is main flow trend.The color steel production line of China mostly is a whole set of greatly and introduces, and also mainly by the coating of import such as external major company such as Du Pont, BASF and Henkel, enterprise is subjected to the dual restriction of technology and price to corresponding color coating lacquer in using these coating.Though at present also there is homemade color steel coating on ground such as Shanghai, Jiangsu, Hebei, with the contrast of import coating performance and stable aspect also have certain gap, processing weak tendency status in performance and price competition.For this reason, the color steel coated material that need exploitation excellent performance, reasonable price, has independent intellectual property right.In addition, the color steel production line of China's introduction is faced with upgrading and DOMESTICATION PROBLEM.The exploitation of new coating material cooperates this trend, will help to improve the capacity level of China's color steel, the high-end product market of the inside and outside color steel of occupying power.
At present the research and development of color steel coating are concentrated on mostly existing base resin is carried out on the direction that modification further enhances product performance.But,, the research report of epoxy-polyurethane, phenolic aldehyde-epoxy etc. is arranged also as organic silicon modified polyesters, modifying epoxy resin by organosilicon etc. because factors such as cost performance reach the also few of industrial application.These researchs are effectively to the raising on the product performance, but owing to be subjected to the restriction of base resin performance, are difficult to reach the purpose of upgrading.Therefore, develop new colo(u)r coating product, need be from base resin, in the performance of product with obtain big raising qualitatively.
Summary of the invention
The technical problem to be solved in the present invention provides that a kind of snappiness that is applied to fields such as color steel sheet, steel pipe, iron and steel parts is good, the modified polybutadiene anticorrosion paint of strong adhesion, high-low temperature resistant, antiseptic property excellence.
For solving the problems of the technologies described above, the invention provides a kind of modified polybutadiene anticorrosion paint that is used for color steel, steel pipe, iron and steel parts, this coating is with the modified polybutadiene of 30～80% weight or modified polybutadiene adds the liquid polyhutadiene or liquid polybutadiene is a raw material, add the organic solvent of 19～39% weight and the auxiliary agent of 0.01～20% weight, normal temperature to 160 ℃ following reaction 6-20 hour, make varnish, in varnish, add pigment, filler is made required colored paint.Varnish can be used for fields such as vacuum aluminum-coated priming paint separately.
Above-mentioned modified polybutadiene anticorrosion paint, wherein said modified polybutadiene are maleic anhydride modified polyhutadiene, also are referred to as toxilic acid anhydridization polyhutadiene, and its molecular structure is:
1,4-structure toxilic acid anhydridization polyhutadiene
With
1,2-structure toxilic acid anhydridization polyhutadiene
The molecular weight of maleic anhydride modified polyhutadiene is 600～20,000, and acid number is 5mgKOH/g～120mKOH/g.The preparation method of this toxilic acid anhydridization polyhutadiene can be with reference to the preparation method of the compatilizer that is applied to various elastomeric articles of patent of invention 0212957.1.
Above-mentioned modified polybutadiene anticorrosion paint, wherein said liquid polybutadiene are 1,4-structured liquids polyhutadiene and 1, and the divinol of 2-structure, its molecular structure is:
1
CH
2-CH＝CH-CH
2
n
With
1, the 2-divinol
1, the preparation method of 2-divinol can be with reference to 1 of patent of invention 96120729.9, the preparation method of 2-divinol.1,1,2 structure of 2-divinol is 50～95%, and the molecular weight of this liquid polybutadiene is 600～20,000.Described liquid polybutadiene can also comprise terminal hydroxy liquid polybutadiene and/or end carboxyl liquid polybutadiene.
Above-mentioned modified polybutadiene anticorrosion paint, wherein said organic solvent are selected from that hexanaphthene, hydrogenation are raffinated oil, in the toluene, o-Xylol, m-xylene, p-Xylol, mixed dimethylbenzene, acetone, methylethylketone, ethyl acetate one or more.
Above-mentioned modified polybutadiene anticorrosion paint, wherein said auxiliary agent is selected from 2,5-dimethyl-2, two (tert-butyl peroxy base) hexanes of 5-, 2,5-dimethyl-2, two (tert-butyl peroxy base) hexins-3 of 5-, α, α-two (tert-butyl peroxy base) diisopropylbenzene(DIPB), ditertiary butyl peroxide, benzoyl peroxide, lauroyl peroxide, dicumyl peroxide, peroxidized t-butyl perbenzoate, peroxidation (the 2-hexyl caproic acid) tert-butyl ester, 2,5-dimethyl-2, two (benzoyl peroxide) hexanes of 5-, 1, two (tert-butyl peroxide) hexanaphthenes of 1-, 1, two (tert-butyl peroxide)-3 of 1-, 3, the 5-trimethyl-cyclohexane, 4, two (tert-butyl peroxide) n-butyl pentanoates of 4-, peroxy dicarbonate two (4-tertiary butyl cyclohexyl), diperoxy phthalic acid di tert butyl carbonate, tertbutyl peroxide, 2, two (tert-butyl peroxide) butane of 2-, methyl-ethyl-ketone peroxide, the peroxide pimelinketone, peroxysuccinic acid, 2,2-two (4,4-two tert-butyl peroxy cyclohexyl) propane, the peroxidation lauric acid tert-butyl ester, 1, in two (the 2-tert-butyl peroxy base sec.-propyl) benzene of 3-one or more, add-on is 0.1～20% (weight), is preferably 0.1～10% (weight).
Above-mentioned modified polybutadiene anticorrosion paint, wherein said auxiliary agent is selected from 1, two (2-benzoxazolyl) benzene, 2 of 4-, two (the 5-tertiary butyl-2-benzoxazolyl) thiophene, 4 of 5-, 4 '-two (2-benzoxazolyl) toluylene, 4,4 '-two (2-dimethyl oxygen base styryl) biphenyl, 2,2 ' (4,4 '-toluylene) dibenzoxazine class, 4,4 '-two (2-sodium disulfonate styryl) biphenyl, 4, in 4 '-distyryl base-diphenyl derivative one or more, add-on is 0.01-2%, is preferably 0.01-0.1%.
Above-mentioned modified polybutadiene anticorrosion paint, wherein said temperature of reaction are preferably room temperature to 120 ℃.
Above-mentioned modified polybutadiene anticorrosion paint wherein can feed rare gas element in reaction, this rare gas element is nitrogen, carbonic acid gas etc.Also can not feed rare gas element.
The bonding force of protective system of the present invention is to be provided by strong polar maleic anhydride and auxiliary agent, and good snappiness and resistant of high or low temperature, erosion resistance are provided by the carbon-to-carbon structure of main chain.Therefore, the snappiness of this coating, resistant of high or low temperature and erosion resistance are very excellent.
Protective system of the present invention can be adjusted component to adapt to different construction requirements according to the technology service requirements.Carry out at present with brushing and dipping process obtains the paint film of different thickness, this paint film can solidify under different temperature, raises with temperature, shorten set time greatly, 180 ℃ of needs 20 minutes, 200 ℃ of needs 5 minutes, 240 ℃ of need 1 minute only.Coating thickness is the tinplate (not doing rotproofing) of 18～25 μ m, and main test performance is salt fog resistance: 900 hours; Hardness: greater than 2H; Sticking power: 0-1 level; With tinplate repeatedly surplus the doubling 10 time, the paint film flawless, tinplate fracture paint film do not have anyly split, obscission, resistance to impact shock 〉=50kg/cm.The second-order transition temperature of this coating base resin is lower than-60 ℃, is significantly less than the base resin of present most of coating.
Protective system of the present invention can obtain the paint film of 5～25 μ m, adds mill base and filler, can obtain the thick paint film of 10～30 μ m.Because this kind paint film adhesion is good, viscosity can be adjusted, and can adapt to spraying, brushing, roller coat and dip-coating.This coating is short period of time curing at high temperature, can adapt to the industrial needs of serialization.
The high-end coating that present color steel is used is fluorine resin, but fluorine resin is poor to the cohesive force of metal, and except base resin cost an arm and a leg, the construction technology complexity had also increased its application cost greatly.Every performance of protective system of the present invention such as salt spray resistance, sticking power, snappiness and temperature tolerance (especially low temperature resistant) all are better than existing coating, cost is more much lower than fluorine resin, snappiness and sticking power are better than fluorine resin greatly, and can adopt existing color steel production technique or improve a little after produce, do not increase cost, can be positioned the high-end coating cheap near fluorine resin.
Protective system of the present invention has following advantage:
1. warping resistance performance preferably, adhesion property are better than the color steel coating that uses at present.Steel plate after the coating edge and fracture in the cutting course of processing do not ftracture, do not come off, random cutting processing, the shape that remains intact;
2. coating has excellent high and low temperature resistance, can keep good use properties and energy life-time service under-50 ℃ temperature.Its resistance to low temperature is better than the color steel coating of use at present;
3. the excellent anti-corrosion performance of this coated material;
4. this coated material has good printing performance, the various patterns that can be beautifully printed;
5. this coating is expected to realize the construction technology of bottom surface unification;
6. this coating touches with hand and leaves no trace, and has anti-fingerprint ability;
7. because snappiness is good, during as heavy-duty coating, do not ftracture when coating thickens, avoid heavy-duty coating to thicken corrosion resistance nature raising under the condition and the shortcoming of mechanical property decline in coating.
8. single component, easy construction.
The application prospect of coating of the present invention is as follows:
1. this coating can be deployed into shades of colour as color steel sheet coating, is used for fields such as automobile, household electrical appliances, furniture and military project;
2. You Yi lower temperature resistance and antiseptic property have determined its unique effect that overheated yielding heavy corrosion-resistant fields such as steel pipeline, utensil, elbow have under the environment of temperature difference larger area.
3. this coating can be developed automatically cleaning, anti-fingerprint application of paints in fields such as household electrical appliances, furnitures;
4. good printing performance makes it have application promise in clinical practice in fields such as kitchen tools, kitchen range, door and windows;
5. coating of the present invention can also be used as vacuum aluminum-coated priming paint.
Embodiment
The present invention will be further described below in conjunction with embodiment, but do not limit the scope of the invention.
Embodiment 1
In volume is 3 liters four-hole glass reaction bottle, add 1,1 of 000g, 2-divinol, number-average molecular weight are 1030,1, the 2-structure is that 72%, 20 ℃ of viscosity is 1,200cp, add 300g dimethylbenzene, 165g maleic anhydride, the N-phenyl of 2g-N-sec.-propyl Ursol D, feed drying nitrogen, begin to stir, reactant slowly is warming up to 180 ℃, reacts 9 hours, 1, react between 2-divinol and maleic anhydride, reaction back temperature is reduced to 150 ℃, the step-down distillation, remove dimethylbenzene and unreacted maleic anhydride, products therefrom viscosity is 38,000cp (30 ℃), and acid number is 82.5mgKOH/g.
Get above-mentioned reactant 300g; placing volume is 1 liter four-hole glass reaction bottle; add 2 of 1g, 5-dimethyl-2,1 of 5-bis(t-butylperoxy) hexin-3,0.3g; two (2-benzoxazolyl) naphthalenes of 4-; add 301g dimethylbenzene, under nitrogen protection, slowly be warming up to 115 ℃, stirring reaction 12 hours; making solid part is 50%, and viscosity is the varnish of 125cp (20 ℃).
Get above-mentioned varnish 300g, add 75g titanium dioxide, 125g dimethylbenzene, be milled to granularity≤30 μ m in miniature sand mill, making solid part is 45%, and viscosity is the colored paint of 63cp (20 ℃).
The thick tinplate sheet of the 0.2mm that cleans up is immersed respectively in varnish and the colored paint, take out, place 180 ℃ of baking oven bakings 20 minutes, make the print of varnish and colored paint, detect, detected result is as follows:
Thickness of sample/μ m hardness sticking power resistance to impact shock/kg/cm salt spray resistance/hour
Varnish 20 5H 0-1 level 〉=50 900
Colored paint 25 5H 0-1 level 〉=50 900
Surplus above-mentioned varnish coating and colored paint and the solidified tinplate sheet doubling 10 time, paint film is not all found the crack, and is still smooth smooth, illustrates that snappiness is good.
Embodiment 2
In the four-hole glass reaction bottle of 1 liter of volume; add the toxilic acid anhydridization polyhutadiene, the 200g number-average molecular weight that make among the 100g embodiment 1 and be 1030 1; the 2-divinol; add 2g peroxidized t-butyl perbenzoate, 4,4 '-two (the 2-sodium disulfonate styryl) biphenyl of 0.1g, 302g dimethylbenzene, under nitrogen protection; slowly be warming up to 80 ℃; stirring reaction 10 hours, making solid part is 50%, viscosity is the varnish of 160cp (20 ℃).
Get above-mentioned varnish 300g, add titanium dioxide 75g, mixed dimethylbenzene 125g is milled to granularity≤30 μ m in miniature sand mill, and making solid part is 45%, and viscosity is the colored paint of 70cp (20 ℃).
The thick tinplate sheet of the 0.2mm that cleans up is immersed respectively in varnish and the colored paint, take out, place 200 ℃ of baking oven bakings 10 minutes, make the print of varnish and colored paint, detect, detected result is as follows:
Thickness of sample/μ m hardness sticking power resistance to impact shock/kg/cm salt spray resistance/hour
Varnish 18 4H 0-1 level 〉=50 800
Colored paint 22 5H 0-1 level 〉=50 800
Surplus above-mentioned varnish coating and colored paint and the solidified tinplate sheet doubling 10 time, paint film is not all found the crack, and is still smooth smooth, illustrates that snappiness is good.
Embodiment 3
In volume is 1 liter glass reaction bottle, add the 300g number-average molecular weight and be 1200 1,2-divinol, 3g benzoyl peroxide, 303g hexanaphthene; under nitrogen protection, slowly be warming up to 80 ℃; reacted 6 hours, making solid part is 50%, and viscosity is 85cp (20 ℃) varnish.
Get the above-mentioned varnish of 300g, add 75g titanium dioxide, 125g hexanaphthene, be milled to granularity≤30 μ m in miniature sand mill, making solid part is 45%, and viscosity is the colored paint of 55cp (20 ℃).
The thick tinplate sheet of the 0.2mm that cleans up is immersed respectively in varnish and the colored paint, take out, place 220 ℃ of baking oven bakings 5 minutes, make the print of varnish and colored paint, detect, detected result is as follows:
Thickness of sample/μ m hardness sticking power resistance to impact shock/kg/cm salt spray resistance/hour
Varnish 21 2H 2 grades 〉=50 408
Colored paint 25 2H 2 grades 〉=50 408
Surplus above-mentioned varnish coating and colored paint and the solidified tinplate sheet doubling 10 time, paint film is not all found the crack, and is still smooth smooth, illustrates that snappiness is good.
Embodiment 4
In volume is 1 liter four-hole glass reaction bottle, add the 300g number-average molecular weight and be 1050 1,2 of 2-divinol, 30g maleic anhydride, 0.5g, 6-di-t-butyl-4-sylvan, 100g dimethylbenzene, feed nitrogen, slowly be warming up to 180 ℃, reacted 9 hours, be cooled to 150 ℃, vacuumize, remove dimethylbenzene and unreacted maleic anhydride, products therefrom viscosity is 16,000cp (30 ℃), acid number is 52mgKOH/g.
Get the above-mentioned reactant of 300g, placing volume is 1 liter four-hole glass reaction bottle, add 2 of 3g, 5-dimethyl-2, two (tert-butyl peroxy base) hexanes of 5-, the mixed solvent of adding 245g toluene, dimethylbenzene, methylethylketone, wherein toluene 100g, dimethylbenzene 100g, methylethylketone 45g, slowly be warming up to 80 ℃, reacted 10 hours, make solid part and be 55% varnish.
This varnish is sprayed on the PMC plastic component that cleans up with high-pressure air, places 180 ℃ of baking oven bakings 30 minutes then, making thickness is the vacuum aluminum-coated priming paint of 10 μ m.
This priming paint is placed 250 ℃ of baking oven bakings 3 hours, and paint film is complete, does not produce the crack, and paint film is still smooth, smooth, plentiful, glossiness is good, illustrates that this kind coating resistance to elevated temperatures is good.
Claims (10)
1, a kind of modified polybutadiene anticorrosion paint that is used for steel plate, this coating is with the modified polybutadiene of 30～80% weight or modified polybutadiene adds the liquid polyhutadiene or liquid polybutadiene is a raw material, add the organic solvent of 19～69% weight and the auxiliary agent of 0.01～20% weight, normal temperature to 160 ℃ following reaction 6-20 hour, make varnish, in varnish, add pigment, filler is made required colored paint.
2, protective system according to claim 1 is characterized in that, described modified polybutadiene is maleic anhydride modified polyhutadiene, and its molecular structure is:
1,4-structure toxilic acid anhydridization polyhutadiene
With
1,2-structure toxilic acid anhydridization polyhutadiene,
The molecular weight of maleic anhydride modified polyhutadiene is 600～20,000, and acid number is 5mgKOH/g～120mgKOH/g.
3, protective system according to claim 1 is characterized in that, described liquid polybutadiene is 1,4-liquid polybutadiene and 1, and 2-divinol, the molecular weight of this liquid polybutadiene are 600～20,000.
4, protective system according to claim 1 is characterized in that, described liquid polybutadiene also comprises terminal hydroxy liquid polybutadiene and/or end carboxyl liquid polybutadiene.
5, protective system according to claim 1, it is characterized in that described organic solvent is selected from that hexanaphthene, hydrogenation are raffinated oil, in the toluene, o-Xylol, m-xylene, p-Xylol, mixed dimethylbenzene, acetone, methylethylketone, ethyl acetate one or more.
6, protective system according to claim 1, it is characterized in that, described auxiliary agent is selected from 2,5-dimethyl-2, two (tert-butyl peroxy base) hexanes of 5-, 2,5-dimethyl-2, two (tert-butyl peroxy base) hexins-3 of 5-, α, α-two (tert-butyl peroxy base) diisopropylbenzene(DIPB), ditertiary butyl peroxide, benzoyl peroxide, lauroyl peroxide, dicumyl peroxide, peroxidized t-butyl perbenzoate, peroxidation (the 2-hexyl caproic acid) tert-butyl ester, 2,5-dimethyl-2, two (benzoyl peroxide) hexanes of 5-, 1, two (tert-butyl peroxide) hexanaphthenes of 1-, 1, two (tert-butyl peroxide)-3 of 1-, 3, the 5-trimethyl-cyclohexane, 4, two (tert-butyl peroxide) n-butyl pentanoates of 4-, peroxy dicarbonate two (4-tertiary butyl cyclohexyl), diperoxy phthalic acid di tert butyl carbonate, tertbutyl peroxide, 2, two (tert-butyl peroxide) butane of 2-, methyl-ethyl-ketone peroxide, the peroxide pimelinketone, peroxysuccinic acid, 2,2-two (4,4-two tert-butyl peroxy cyclohexyl) propane, the peroxidation lauric acid tert-butyl ester, 1, in two (the 2-tert-butyl peroxy base sec.-propyl) benzene of 3-one or more, add-on is 0.1～20% weight.
7, protective system according to claim 6 is characterized in that, described promoter addition is 0.1～10% weight.
8, protective system according to claim 1, it is characterized in that, described auxiliary agent is selected from 1, two (2-benzoxazolyl) benzene, 2 of 4-, two (the 5-tertiary butyl-2-benzoxazolyl) thiophene, 4 of 5-, 4 '-two (2-benzoxazolyl) toluylene, 4,4 '-two (2-dimethyl oxygen base styryl) biphenyl, 2,2 ' (4,4 '-toluylene) dibenzoxazine class, 4,4 '-two (2-sodium disulfonate styryl) biphenyl, 4, one or more in 4 '-distyryl base-diphenyl derivative, add-on is a 0.01-2% weight, is preferably 0.01-0.1%.
9, protective system according to claim 1 is characterized in that, described temperature of reaction is a room temperature to 120 ℃.
10. require 1 described protective system according to claim, it is characterized in that, feed rare gas element in reaction, this rare gas element is nitrogen or carbonic acid gas.
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| CN103773166A (en) * | 2014-01-27 | 2014-05-07 | 苏州乾雄金属材料有限公司 | Metal paint |
| CN104449360A (en) * | 2014-12-24 | 2015-03-25 | 常熟市亨达电子器材厂 | Main-control box of mining use automatic water-spraying dedusting device |
| CN104502275A (en) * | 2015-01-06 | 2015-04-08 | 南通太平洋海洋工程有限公司 | Type selection method of low-temperature and anti-corrosion coating on outer surface of liquid tank of gas transportation ship |
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| CN105838235A (en) * | 2012-04-25 | 2016-08-10 | 比亚迪股份有限公司 | Metallizable composition, coating layer, and nonmetal surface selective metallization method |
| CN105838235B (en) * | 2012-04-25 | 2018-03-13 | 比亚迪股份有限公司 | A kind of method of the composition to metallize, coat and nonmetallic surface selective metallization |
| CN103773166A (en) * | 2014-01-27 | 2014-05-07 | 苏州乾雄金属材料有限公司 | Metal paint |
| CN104449360A (en) * | 2014-12-24 | 2015-03-25 | 常熟市亨达电子器材厂 | Main-control box of mining use automatic water-spraying dedusting device |
| CN104497775A (en) * | 2014-12-24 | 2015-04-08 | 常熟市首誉机械有限公司 | Plastic shredding device |
| CN104502275A (en) * | 2015-01-06 | 2015-04-08 | 南通太平洋海洋工程有限公司 | Type selection method of low-temperature and anti-corrosion coating on outer surface of liquid tank of gas transportation ship |
| CN106010163A (en) * | 2016-06-27 | 2016-10-12 | 梅庆波 | Preparation method of abrasion-resistant and corrosion-resistant non-sticky coating |
| CN115141504A (en) * | 2021-03-30 | 2022-10-04 | 宁波江北激智新材料有限公司 | Maleic anhydride polybutadiene modified ultraviolet-curing polyacrylate coating composition and preparation method thereof |
| CN115141505A (en) * | 2021-03-30 | 2022-10-04 | 宁波江北激智新材料有限公司 | Anti-corrosion polishing-resistant curing coating composition and preparation method thereof |
| CN115678339A (en) * | 2022-11-22 | 2023-02-03 | 成都彩星化工有限公司 | Preparation method for paint containing flammable solvent |
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