CN102974518A - Coating process applying water-based paint to cast iron parts - Google Patents
Coating process applying water-based paint to cast iron parts Download PDFInfo
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- CN102974518A CN102974518A CN201210426601XA CN201210426601A CN102974518A CN 102974518 A CN102974518 A CN 102974518A CN 201210426601X A CN201210426601X A CN 201210426601XA CN 201210426601 A CN201210426601 A CN 201210426601A CN 102974518 A CN102974518 A CN 102974518A
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Abstract
The invention discloses a coating process applying water-based paint to cast iron parts. The coating process is characterized in that water-based anti-corrosion priming paint and waterborne polyurethane texture finish paint are combined and used on base materials of the cast iron parts of machinery. The coating process applying the water-based paint to the cast iron parts enables the water-based paint to be correctly used the coating of the cast iron parts of the machinery, and not only solves harm and potential safety hazards brought about by a traditional coating process to a forklift, but also improves the protecting performance and the physical and chemical performance of the coating process, and prolongs service life of the forklift.
Description
Technical field
The present invention relates to a kind of coating process that water paint is applied to cast iron member.
Background technology
Mechanical industry has been used a large amount of cast iron materials, and the environment for use of machinery is generally all comparatively abominable, adds itself to be worth height, and service life is long, therefore corrosion resistance, weather resistance etc. is required high.By spray treatment is carried out in its metal surface, can strengthen its antiseptic property, thereby increase its service life.Traditional application mode is carried out application with solvent based coating, substantially can satisfy anticorrosion and the performance requirement such as weather-proof of cast iron, and its construction technology is also comparatively ripe.But because solvent based coating contains a large amount of poisonous and harmful solvents, and inflammable and explosive, do not meet the demand for development of national environmental protection application, just at the future development of hydrotropism's coating, high solid coating, powder coating and their application, wherein swift and violent with the water paint development again at present.But water paint is because technology is relatively immature at present, if there is not correct construction technology, its corrosion resistance is not easy to reach the requirement of cast iron corrosion-resistant.And the metal surface treatment process of conventional solvent type paint spraying use, need to after carrying out Shot Blasting, the means such as the sordid local use manual polishing of position, corner rust cleaning be eliminated rust, take time and effort, production efficiency is very low.
Summary of the invention
The purpose of this invention is to provide a kind of coating process that water paint is applied to cast iron member; this technique makes water paint can correctly be used for the cast iron member application; it had both solved the harm and safety hidden danger that cast iron member brings because of traditional coating process; improve again its protectiveness and physical and chemical performance, prolonged its service life.
Provided by the inventionly a kind of water paint is applied to the coating process of cast iron member, may further comprise the steps successively:
(1) base material with cast iron member carries out preliminary treatment, with the lip-deep greasy dirt of removing component and corrosion;
(2) apply waterborne rusted paint, with the floating rust of the substrate surface of removing described parts;
(3) spraying watery anti-corrosion priming paint, paint film dodge to be done, after surface drying or the oven dry, appearance of film and performance is tested;
(4) spraying water-based texture finish paint sprays water-based texture finish paint one time again through behind the levelling, tests behind drying varniss, packs.
Preliminary treatment of the present invention refers to the cast iron member outer surface is carried out the processing such as ball blast, sandblast, mechanical grinding, manual polishing and high-pressure water jet, its objective is the corrosion and the greasy dirt that remove substrate surface before application.
Coating waterborne rusted paint of the present invention can adopt the application modes such as spraying, brushing, dip-coating.
Spraying watery anti-corrosion priming paint of the present invention refers to spray the ground floor coating that directly contacts with base material, and its color mainly contains redness, grey etc., and its purpose mainly contains: the functions such as good adhesion, anticorrosive property, resistance to water are provided.About 30～80 microns of paint film coating thickness (being as the criterion with the build measured value).
Watery anti-corrosion priming paint of the present invention is water-base epoxy ester anti-corrosion primer, water-base epoxy anticorrosion priming paint, water-based epoxy zinc-rich primer or aqueous inorganic zinc rich primer etc.Wherein, water-base epoxy ester priming paint is the one pack system self-drying paint, and main component is water-base epoxy ester resin, pigment, antirust color stuffing, auxiliary agent, cosolvent and water.Described water-base epoxy anticorrosion priming paint is comprised of first, second two components, the main component of first component is aqueous epoxy resins, rust resisting pigment, auxiliary agent and water, the main component of component B is water miscible polyamine and modified product thereof, before using the part by weight of first, second two components by 4:1 ~ 10:1 mixed, after stirring, be diluted to working viscosity with deionized water or pure water again.Described water-based epoxy zinc-rich primer is comprised of first, second two components, the main component of first component is aqueous epoxy resins and zinc powder, the main component of component B is aqueous epoxy curing agent, before using the part by weight of first, second two components by 4:1 ~ 10:1 mixed, after stirring, be diluted to working viscosity with deionized water or pure water again.Described aqueous inorganic zinc rich primer be take inorganic silicate as base-material, metallic zinc is main rust resisting pigment, other is added with a kind of anticorrosive coating that other filler and auxiliary agent form.
In the described water-base epoxy ester anticorrosion priming paint, the weight portion proportioning is water-base epoxy ester resin: antirust color stuffing: auxiliary agent: water=40 ~ 60:20 ~ 35:3 ~ 5:10 ~ 30, described water-base epoxy ester resin is various modified epoxies, such as fatty acid modified epoxy resin, Acrylate Modified Epoxy resin etc., described rust resisting pigment is iron oxide red, trbasic zinc phosphate, aluminium triphosphate, zinc yellow etc., and described auxiliary agent is the common auxiliary agents of coating such as pigment dispersing agent, moistening flatting agent, defoamer.In the described water-base epoxy anticorrosion priming paint, predominant quantity part proportioning of first component is aqueous epoxy resins: rust resisting pigment: auxiliary agent: water=40 ~ 60: 30 ~ 40: 3 ~ 5: 15 ~ 20, described aqueous epoxy resins is water emulsification epoxy resin, self-emulsifying epoxy resin etc., described rust resisting pigment is iron oxide red, trbasic zinc phosphate, aluminium triphosphate, zinc yellow etc., described auxiliary agent is the common auxiliary agents of coating such as pigment dispersing agent, moistening flatting agent, defoamer, and the main component of described second component is water-soluble polyamine and modifier thereof.In the described water-based epoxy zinc-rich primer, predominant quantity part proportioning of first component is aqueous epoxy resins: zinc powder=20 ~ 30: 70 ~ 80, described aqueous epoxy resins is water emulsification epoxy resin, self-emulsifying epoxy resin etc., the main component of described component B is aqueous epoxy curing agent, and described aqueous epoxy curing agent is water-soluble polyamine and modifier thereof.Described aqueous inorganic zinc rich primer, mixed with 1: 1.5 ~ 3.5 weight ratio by component A and B component, described component A main component comprises: the whisker reinforcing material of 45 ~ 70 weight portion inorganic silicic acid salting liquids, 10 ~ 35 parts by weight of deionized water, 2 ~ 18 weight portion inorganic color stuffings and 1 ~ 10 weight portion and 0.5 ~ 3.5 weight portion water-based auxiliary agent, described aqueous promoter comprises dispersant, thickener, defoamer.Described B component is made by 95-98 weight portion spherical zinc powder, the mixing of 2 ~ 5 weight portion curing agent.Described inorganic color stuffing is mica powder, micaceous iron oxide, ferrophosphorus breeze and titanium dioxide etc.Described inorganic silicic acid salting liquid is alkali metal silicate solutions, such as sodium silicate aqueous solution, potassium silicate aqueous solution, the lithium metasilicate aqueous solution etc., described whisker reinforcing material is silicon carbide whisker, magnesium sulfate crystal whisker, calcium sulfate crystal whiskers etc., and described curing agent is amphoteric metal oxide, polymeric phosphate, borate etc.
Water-based texture finish paint of the present invention mainly has been to decorate and protective effect; water-based texture finish paint after the curing; multiple color and various luster are arranged; the mechanical performances such as its existing good outward appearance, hardness and wearability possess again the physical and chemical performances such as good toughness, resistance to water, humidity resistance and weatherability.About 30～120 microns of finish paint paint film coating thickness, composite paint film aggregate thickness are 60～200 microns (being as the criterion with the build measured value).
Water-based texture finish paint of the present invention is aqueous polyurethane texture finish paint, this water-based texture finish paint and the good matching of bottom and adhesion.Described aqueous polyurethane texture finish paint is comprised of first, second two components, the main component of first component is waterborne polyurethane resin, weather resistant coloring pigment, auxiliary agent and water, the main component of component B is polyurethane curing agent, described polyurethane curing agent is the material that contains with isocyanic acid (NCO) group of hydroxyl reaction, before using first, second two components are mixed in the ratio of 4:1 ~ 8:1, after stirring, be diluted to working viscosity with deionized water or pure water again.Wherein, predominant quantity part proportioning of first component is waterborne polyurethane resin: weather resistant coloring pigment: auxiliary agent: water=40 ~ 50: 20 ~ 30: 3 ~ 5: 15 ~ 20, described waterborne polyurethane resin is the hydroxyl water-base resin, such as hydroxy acrylic acid, hydroxy polyester resin etc., described weather resistant coloring pigment is titanium dioxide, weather-proof red pigment, weather-proof yellow uitramarine etc., and described auxiliary agent is pigment dispersing agent, levelling agent, wetting agent, defoamer etc.; The main component of component B is polyurethane curing agent.
The sudden strain of a muscle of spraying watery anti-corrosion priming paint of the present invention and water-based texture finish paint is done and surface drying all is at room temperature from doing.Oven dry of the present invention is to adopt roasting mode that the priming paint that has sprayed is carried out drying, with moisture content volatilization in the promotion paint film, and makes film curing, accelerating construction progress.Baking temperature requires to be no more than 80 ℃.In practical operation, baking temperature is controlled at 50 ℃～80 ℃, and the time is 20～40min.
Check of the present invention refers to appearance of film and performance are checked, checks outward appearance has zero defect, color and performance whether to meet the demands.
Packing of the present invention is that position or the parts that the product that will be up to the standards easily bumps, draws wrap up with soft expanded polyethylene foam, foam or packaging bag, in order to avoid be bruised in carrying and cargo handling process.
Levelling of the present invention refers to that the finish paint wet film that will be sprayed on the priming paint stopped 15～30 minutes at normal temperatures, and under the effect of wet film self gravitation, auxiliary agent and solvent, it is smooth with trend to film.The foam that produces when the levelling process can also be eliminated spraying reduces film defect, makes paint film finer and close, and resistance to water and chemical resistance are better.
Spraying of the present invention can be that aerial spraying, airless spraying, mixed gas blowout are coated with and their additional electrostatic sprayings, i.e. air electrostatic spraying, without gas electrostatic spraying and mixed gas electrostatic spraying.In addition, in the process of every layer of lacquer of spraying or which floor lacquer, can adopt the technique of " wetting, it is wet to bump ", usually can spray second time or lower coast of paint dried a period of time of sudden strain of a muscle after every time lacquer spraying again, concrete flash-off time can be according to coating type, different with reference to general description of construction.Each coating layer thickness can be slightly different with job instruction with reference to concrete coating specification.Flash-off time of the present invention is 20 ~ 40min.
The present invention compared with prior art has the following advantages:
(1) technique of the present invention is on the base material of cast iron member watery anti-corrosion priming paint and aqueous polyurethane texture finish paint to be combined with, make the water paint of this system can correctly be used for the cast iron member application, composite coating outward appearance after its application is good, decorative effect is good (having special texture), have good mechanical performance and physical and chemical performance, satisfy the instructions for use of cast iron in adverse circumstances.
(2) technique of the present invention uses waterborne rusted paint to process, by removing simply the floating rust in surface, the application waterborne rusted paint, to be dried after, direct application routine antirusting paint just.Through such processing, the cast iron member metal surface just can be antirust for a long time.
(3) technique of the present invention makes use texture finish paint spray as finish paint, this water-based texture finish paint can:
1. have special grain effect, improve composite coating surface aesthetic degree:This water-based texture finish paint all can form special grain decorating effect to material surface.That water-based texture finish paint has is fine and smooth and coarse, open point texture, face texture and the comfortable texture types such as fine and smooth texture of feel of sealing.
2. workability is good:The construction method of this coating system and conventional solvent type coating application method are basic identical, have good workability.Have higher construction and admittedly contain, can hide the defective of base material, and covering power is good, spraying once gets final product back and forth, has both saved coating, artificial, auxiliary sprayed on material and power etc., has reduced construction cost, simplify again production procedure, shorten the engineering time, enhance productivity.
3. working procedure significantly reduces, and improves coating efficiency, reduces painting cost:During use, do not need loaded down with trivial details operation in early stage, do not need to play putty, do not need the priming paint of polishing, do not need floating coat, significantly reduce working procedure, promoted coating efficiency.And owing to omitted floating coat, namely reduce consumption of raw materials, reduce painting cost.
The specific embodiment
The described watery anti-corrosion priming paint of following examples is water-base epoxy ester anticorrosion priming paint, water-base epoxy anticorrosion priming paint, water-based epoxy zinc-rich primer or aqueous inorganic zinc rich primer etc.Wherein, described water-base epoxy anticorrosion priming paint is comprised of first, second two components, the main component of first component is aqueous epoxy resins, rust resisting pigment, auxiliary agent and water, the main component of component B is aqueous epoxy curing agent, before using the part by weight of first, second two components by 4:1 ~ 10:1 mixed, after stirring, be diluted to working viscosity with deionized water or pure water again.Described water-based epoxy zinc-rich primer is comprised of first, second two components, the main component of first component is aqueous epoxy resins and zinc powder, the main component of component B is aqueous epoxy curing agent, before using the part by weight of first, second two components by 4:1 ~ 10:1 mixed, after stirring, be diluted to working viscosity with deionized water or pure water again.In the described water-base epoxy ester anticorrosion priming paint, the weight portion proportioning is the antirust color stuffing of water-base epoxy ester portions of resin: auxiliary agent: water=40 ~ 60:20 ~ 35:3 ~ 5:10 ~ 30, water-base epoxy ester resin is various modified epoxies, as fatty acid modified, acrylate modified etc.; Rust resisting pigment is iron oxide red, trbasic zinc phosphate, aluminium triphosphate, zinc yellow etc.; Auxiliary agent is the common auxiliary agents of coating such as pigment dispersing agent, moistening flatting agent, defoamer.Described aqueous inorganic zinc rich primer, this coating mixes with 1: 1.5 ~ 3.5 weight ratio by the component A that will prepare and B component, described component A main component comprises: the whisker reinforcing material of 45 ~ 70 weight portion alkali metal silicate solutions, 10 ~ 35 parts by weight of deionized water, 2 ~ 18 weight portion inorganic color stuffings and 1 ~ 10 weight portion and 0.5 ~ 3.5 weight portion water-based auxiliary agent, wherein, aqueous promoter comprises dispersant, thickener, defoamer.B component is made by 95 ~ 98 weight portion spherical zinc powders, the mixing of 2 ~ 5 weight portion curing agent.Inorganic color stuffing is mica powder, micaceous iron oxide, ferrophosphorus breeze and titanium dioxide etc.The whisker reinforcing material is silicon carbide whisker, magnesium sulfate crystal whisker, calcium sulfate crystal whiskers etc., and curing agent is amphoteric metal oxide, polymeric phosphate, borate etc.In the described water-base epoxy anticorrosion priming paint, predominant quantity part proportioning of first component is aqueous epoxy resins: rust resisting pigment: auxiliary agent: water=40 ~ 60: 30 ~ 40: 3 ~ 5: 15 ~ 20, aqueous epoxy resins is water emulsification epoxy resin, self-emulsifying epoxy resin etc., rust resisting pigment is iron oxide red, trbasic zinc phosphate, aluminium triphosphate, zinc yellow etc., auxiliary agent is the common auxiliary agents of coating such as pigment dispersing agent, moistening flatting agent, defoamer, the second component be water-soluble polyamine and modifier thereof; In the described water-based epoxy zinc-rich primer, predominant quantity part proportioning of first component is aqueous epoxy resins: zinc powder=20 ~ 30: 70 ~ 80, aqueous epoxy resins is water emulsification epoxy resin, self-emulsifying epoxy resin etc., component B is aqueous epoxy curing agent, and described aqueous epoxy curing agent is water-soluble polyamine and modifier thereof.
Described aqueous polyurethane finish paint is comprised of first, second two components, the main component of first component is waterborne polyurethane resin, weather resistant coloring pigment, auxiliary agent and water, the main component of component B is the material that contains with the NCO group of hydroxyl reaction, before using first, second two components are mixed in the ratio of 4:1 ~ 8:1, after stirring, be diluted to working viscosity with deionized water or pure water again.Wherein, predominant quantity part proportioning of first component is waterborne polyurethane resin: weather resistant coloring pigment: auxiliary agent: water=40 ~ 50: 20 ~ 30: 3 ~ 5: 15 ~ 20, waterborne polyurethane resin is the hydroxyl water-base resin, such as hydroxy acrylic acid, hydroxy polyester resin etc., the weather resistant coloring pigment is titanium dioxide, weather-proof red pigment, weather-proof yellow uitramarine etc., and auxiliary agent is pigment dispersing agent, levelling agent, wetting agent, defoamer etc.; Component B is polyurethane curing agent, and described polyurethane curing agent is the material that contains with isocyanic acid (NCO) group of hydroxyl reaction.
Described waterborne rusted paint main component is 60% ~ 80% acrylic resin modified, 4% ~ 6% transforming agent, 1% ~ 3% inversion accelerating agent, 1% ~ 3% auxiliary agent.Wherein, transforming agent is tannic acid, and inversion accelerating agent is catechol, and coalescents is anti-plain boiled water, and auxiliary agent is the compositions such as coalescents and defoamer, levelling wetting agent, mould inhibitor.
Embodiment 1
Cast iron member is carried out Shot Blasting, with the lip-deep greasy dirt of removing component and corrosion.Then, brush waterborne rusted paint and carry out post processing, remove the floating rust of the substrate surface of described parts.Spray again water-based epoxy zinc-rich primer (its Main Components and proportioning are aqueous epoxy resins: zinc powder=20:80, with curing agent water-based polyamine proportioning be 5:1), about 60～120 microns of wet-film thickness, room temperature is from doing more than 0.5 hour.Behind the paint film surface drying, (its Main Components and proportioning are waterborne polyurethane resins: weather resistant coloring pigment: auxiliary agent: water=40:30:5:15 to spray aqueous polyurethane texture finish paint again, with the proportioning of polyurethane curing agent be 6:1), spray again finish paint behind levelling 15～30min one time, wet-film thickness is controlled at 100～200 microns, and then room temperature is from doing.About 100～240 microns of composite coating dry film gross thickness.At last appearance of film and performance are tested, packed.
Embodiment 2
Cast iron member is carried out blasting treatment, with the lip-deep greasy dirt of removing component and corrosion.Then, the use on rust paint carries out post processing, removes the floating rust of the substrate surface of described parts.Spray again water-base epoxy ester anticorrosion priming paint (its Main Components and proportioning are water-base epoxy ester resins: antirust color stuffing: auxiliary agent: water=40:25:5:30, about 60～100 microns of wet-film thickness, room temperature is from doing more than 0.5 hour.Behind the paint film surface drying, (its Main Components and proportioning are waterborne polyurethane resins to spraying aqueous polyurethane texture finish paint: weather resistant coloring pigment: auxiliary agent: water=50:30:3:15, with the proportioning of polyurethane curing agent be 6:1, wet-film thickness is controlled at 60～140 microns, then room temperature is from doing.About 80～200 microns of composite coating dry film gross thickness.Appearance of film and performance are tested, packed.
Embodiment 3
To the cast iron member rust cleaning of polishing, with the lip-deep greasy dirt of removing component and corrosion.Then, brush waterborne rusted paint and carry out post processing, remove the floating rust of the substrate surface of described parts.(the weight portion proportioning of its Main Ingredients and Appearance is aqueous epoxy resins: rust resisting pigment: auxiliary agent: water=50:30:5:15 and water-based polyamine curing agent to spray water-base epoxy anticorrosion priming paint again, proportioning is 8:1, about 60～100 microns of wet-film thickness, 80 ℃ of baking 30min, appearance of film and performance are tested, (its Main Components and proportioning are waterborne polyurethane resins: weather resistant coloring pigment: auxiliary agent: water=50:25:4:20 to spray at last aqueous polyurethane texture finish paint, with the proportioning of polyurethane curing agent be 6:1, wet-film thickness is controlled at 60～140 microns, then levelling 8min, then 80 ℃ are toasted 30min, about 80～200 microns of composite coating dry film gross thickness.Appearance of film and performance are tested, packed.
Embodiment 4
To the cast iron member rust cleaning of polishing, with the lip-deep greasy dirt of removing component and corrosion.Then, brush waterborne rusted paint and carry out post processing, remove the floating rust of the substrate surface of described parts.Spray again the aqueous inorganic zinc rich primer, A component: B component=1:3, about 60～100 microns of wet-film thickness, cold curing 4 hours, spraying aqueous polyurethane texture finish paint (its Main Components and proportioning are waterborne polyurethane resins: weather resistant coloring pigment: auxiliary agent: water=45:25:3:20, with the proportioning of polyurethane curing agent be 6:1), wet-film thickness is controlled at 60～140 microns, then levelling 8min, 80 ℃ of baking 30min then, about 80～200 microns of composite coating dry film gross thickness.Appearance of film and performance are tested, packed.
Claims (9)
1. one kind is applied to the coating process of cast iron member with water paint, it is characterized in that, may further comprise the steps successively:
(1) base material with cast iron member carries out preliminary treatment, with the lip-deep greasy dirt of removing component and corrosion;
(2) apply waterborne rusted paint, with the floating rust of the substrate surface of removing described parts;
(3) spraying watery anti-corrosion priming paint, paint film dodge to be done, after surface drying or the oven dry, appearance of film and performance is tested;
(4) spraying water-based texture finish paint sprays water-based texture finish paint one time again through behind the levelling, tests behind drying varniss, packs.
2. technique according to claim 1 is characterized in that, the described base material preliminary treatment of step (1) refers to that the cast iron member outer surface is carried out ball blast, sandblast, mechanical grinding, manual polishing or high-pressure water jet to be processed.
3. technique according to claim 2 is characterized in that, the application mode of the described coating waterborne rusted paint of step (2) adopts spraying, brushing or dip-coating.
4. technique according to claim 1 is characterized in that, the described watery anti-corrosion priming paint of step (3) is water-base epoxy ester anti-corrosion primer, water-base epoxy anticorrosion priming paint, water-based epoxy zinc-rich primer or aqueous inorganic zinc rich primer; Wherein, described water-base epoxy ester priming paint is the one pack system self-drying paint, and main component is water-base epoxy ester resin, pigment, antirust color stuffing, auxiliary agent, cosolvent and water; Described water-base epoxy anticorrosion priming paint is comprised of first, second two components, the main component of first component is aqueous epoxy resins, rust resisting pigment, auxiliary agent and water, the main component of component B is water miscible polyamine and modified product thereof, before using the part by weight of first, second two components by 4:1 ~ 10:1 mixed, after stirring, be diluted to working viscosity with deionized water or pure water again; Described water-based epoxy zinc-rich primer is comprised of first, second two components, the main component of first component is aqueous epoxy resins and zinc powder, the main component of component B is aqueous epoxy curing agent, before using the part by weight of first, second two components by 4:1 ~ 10:1 mixed, after stirring, be diluted to working viscosity with deionized water or pure water again.
5. technique according to claim 4, it is characterized in that, in the described water-base epoxy ester anticorrosion priming paint, the weight portion proportioning is water-base epoxy ester resin: antirust color stuffing: auxiliary agent: water=40 ~ 60:20 ~ 35:3 ~ 5:10 ~ 30, described water-base epoxy ester resin is various modified epoxies, described rust resisting pigment is iron oxide red, trbasic zinc phosphate, aluminium triphosphate or zinc yellow, and described auxiliary agent is the common auxiliary agent of coating; In the described water-base epoxy anticorrosion priming paint, predominant quantity part proportioning of first component is aqueous epoxy resins: rust resisting pigment: auxiliary agent: water=40 ~ 60: 30 ~ 40: 3 ~ 5: 15 ~ 20, described aqueous epoxy resins is water emulsification epoxy resin or self-emulsifying epoxy resin, described rust resisting pigment is iron oxide red, trbasic zinc phosphate, aluminium triphosphate or zinc yellow, described auxiliary agent is the common auxiliary agent of coating, and the main component of described second component is water-soluble polyamine and modifier thereof; In the described water-based epoxy zinc-rich primer, predominant quantity part proportioning of first component is aqueous epoxy resins: zinc powder=20 ~ 30: 70 ~ 80, described aqueous epoxy resins is water emulsification epoxy resin or self-emulsifying epoxy resin, and the main component of described component B is aqueous epoxy curing agent; Described aqueous inorganic zinc rich primer, mixed with 1: 1.5 ~ 3.5 weight ratio by component A and B component, described component A main component comprises: the whisker reinforcing material of 45 ~ 70 weight portion inorganic silicic acid salting liquids, 10 ~ 35 parts by weight of deionized water, 2 ~ 18 weight portion inorganic color stuffings and 1 ~ 10 weight portion and 0.5 ~ 3.5 weight portion water-based auxiliary agent, described aqueous promoter is dispersant, thickener or defoamer, and described B component is made by 95-98 weight portion spherical zinc powder, the mixing of 2 ~ 5 weight portion curing agent; Described inorganic color stuffing is mica powder, micaceous iron oxide, ferrophosphorus breeze and titanium dioxide, described inorganic silicic acid salting liquid is alkali metal silicate solutions, described whisker reinforcing material is silicon carbide whisker, magnesium sulfate crystal whisker or calcium sulfate crystal whiskers, and described curing agent is amphoteric metal oxide, polymeric phosphate, borate.
6. technique according to claim 1 is characterized in that, the coating thickness of the described priming paint of step (3) is as the criterion with the build measured value, counts 30～80 microns.
7. technique according to claim 1, it is characterized in that, the described water-based texture of step (4) finish paint is aqueous polyurethane texture finish paint, described aqueous polyurethane texture finish paint is comprised of first, second two components, the main component of first component is waterborne polyurethane resin, weather resistant coloring pigment, auxiliary agent and water, the main component of component B is polyurethane curing agent, before using first, second two components are mixed in the ratio of 4:1 ~ 8:1, after stirring, be diluted to working viscosity with deionized water or pure water again.
8. technique according to claim 7, it is characterized in that, in the described aqueous polyurethane texture finish paint, predominant quantity part proportioning of first component is waterborne polyurethane resin: weather resistant coloring pigment: auxiliary agent: water=40 ~ 50: 20 ~ 30: 3 ~ 5: 15 ~ 20, described waterborne polyurethane resin is the hydroxyl water-base resin, such as hydroxy acrylic acid, hydroxy polyester resin, described weather resistant coloring pigment is titanium dioxide, weather-proof red pigment, weather-proof yellow uitramarine, and described auxiliary agent is pigment dispersing agent, levelling agent, wetting agent, defoamer; The main component of component B is polyurethane curing agent.
9. technique according to claim 1 is characterized in that, the coating thickness of the described finish paint of step (4) is counted 30～120 microns for to be as the criterion with the build measured value.
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| CN108031628A (en) * | 2017-11-28 | 2018-05-15 | 沪东中华造船(集团)有限公司 | A kind of ship water paint construction method |
| CN110681555A (en) * | 2018-07-04 | 2020-01-14 | 天津盛鑫体育用品有限公司 | Spraying process method |
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| CN110003771A (en) * | 2019-03-25 | 2019-07-12 | 河北晨阳工贸集团有限公司 | A kind of wettable matched paint and preparation method thereof for touching wet trade |
| CN110813680A (en) * | 2019-11-15 | 2020-02-21 | 襄阳航林机械有限公司 | Rust prevention method for cast iron cylinder body by heating infiltration |
| CN111250375A (en) * | 2020-02-27 | 2020-06-09 | 中国铁建重工集团股份有限公司 | Water-based paint coating process for thick steel plate |
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