CN105199515A - Porcelain imitation coating and spraying method thereof - Google Patents
Porcelain imitation coating and spraying method thereof Download PDFInfo
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- CN105199515A CN105199515A CN201510713659.6A CN201510713659A CN105199515A CN 105199515 A CN105199515 A CN 105199515A CN 201510713659 A CN201510713659 A CN 201510713659A CN 105199515 A CN105199515 A CN 105199515A
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Abstract
The invention relates to the fields of handicrafts and architectural decoration, and concretely relates to a porcelain imitation coating. The porcelain imitation coating comprises a PP primer, a middle layer aqueous porcelain imitation coating and a top layer UV coating; the PP primer comprises 45-75 parts of chlorinated polypropylene modified acrylic resin, 5-20 parts of a diluent, 10-35 parts of a pigment filler and 1-10 parts of an assistant; the middle layer aqueous porcelain imitation coating comprises 40-70 parts of a modified acrylic emulsion, 5-30 parts of ceramic powder, 10-25 parts of water, 5-25 parts of a color paste and 1-10 parts of an assistant; and the top layer UV coating comprises 30-80 parts of photosensitive resin, 3-25 parts of an active monomer, 1.5-5 parts of a photoinitiator, 5-40 parts of the diluent and 0.1-5 parts of an assistant. The coating primer difficulty cracks and strips, the middle layer coating has strong weather ability, ageing resistance and strong interlayer adhesion, and the top layer coating is environmentally friendly and has short air-drying solidification time. The invention also relates to a spraying method of the porcelain imitation coating. The method is easy to operate.
Description
Technical field
The present invention relates to artwork and construction and decoration field, in particular to a kind of porcelain-imitated coating and spraying method thereof.
Background technology
Coating is a wide in range concept.Comprise water-based, oiliness.Oiliness comprise all kinds of single-component, double-component cold curing paint, high temperature baking vanish, UV photo-curing paint etc., also comprise PU coating, powder static electricity coating etc.Coating is a kind of material, and this material can be coated in article surface by different constructional methods, forms adhere well, has some strength, continuous print solid film.Be main raw material mainly with vegetables oil greatly because of early stage coating, so also known as painting.The main component of coating comprises filmogen, auxiliary agent, pigment and solvent, and its Main Function has 3 points: the defect protecting, decorate and cover up product, the value of improving product.
Along with developing rapidly of coatings industry, the application of coating article is more and more important, becomes people and produces and indispensable important materials of living.The problem that coating will solve is nothing more than being the following aspects: the stability of system self; System and base material in conjunction with stability, the quality of system film forming; Function of surface after system film forming.But still there is a lot of deficiency when overcoming the above problems in traditional coating.Traditional coating is comparatively extensive with three coating group application, is painted form by plastic cement primer, Shui Liu You coating and oiliness PU.Plastic cement primer hardness is comparatively strong, has good erosion resistance, but easily splits, the easy depainting when falling or collide; Shui Liu You coating has the texture of glaze paint, but the physical and chemical performance of paint film is all bad, and relative hardness is less, and weathering resistance, ageing resistance, ply adhesion are poor; Oiliness PU paint is the paint that present most factory uses, its paint film is thinner, and the most high energy of hardness reaches 2H, and paint film adhesion is very strong, lacquer painting is not easy cracking and comes off, gloss is well-balanced, has very strong perviousness and snappiness, and anti-bang and wear resistance are also very strong, but the free TDI content of curing agent component is higher, be environmental protection focal point, it is chronic from solidization in addition always, is not suitable for producing in enormous quantities.
In view of this, special proposition the present invention.
Summary of the invention
The first object of the present invention is to provide a kind of porcelain-imitated coating, described porcelain-imitated coating is made up of PP priming paint, middle level water-based ceramic coating and surface layer UV coating, existing base coat depainting easy to crack can be solved, middle coating intermediate relative hardness is less, weathering resistance, ageing resistance, ply adhesion are poor, the inadequate environmental protection of investment precoat, from long problem dry set time.
The second object of the present invention is the spraying method providing a kind of porcelain-imitated coating, and the method matches with described porcelain-imitated coating, easily implements, workable.
In order to realize above-mentioned purpose of the present invention, spy by the following technical solutions:
A kind of porcelain-imitated coating, described coating comprises PP priming paint, middle level water-based ceramic coating and surface layer UV coating:
Described PP priming paint comprises following material component: chlorinated polypropylene modified acrylic acid resin 45 ~ 75 parts, thinner 5 ~ 20 parts, color stuffing 10 ~ 35 parts, auxiliary agent 1 ~ 10 part;
Described middle level water-based ceramic coating comprises following material component: modified acrylic acid emulsion 40 ~ 70 parts, ceramics powder 5 ~ 30 parts, 10 ~ 25 parts, water, mill base 5 ~ 25 parts, auxiliary agent 1 ~ 10 part;
Described surface layer UV coating comprises following material component: photosensitive resin 30 ~ 80 parts, reactive monomer 3 ~ 25 parts, light trigger 1.5 ~ 5 parts, thinner 5 ~ 40 parts, auxiliary agent 0.1 ~ 5 part.
PP priming paint due to the chemical structure of its main component chlorinated polypropylene modified acrylic acid resin close with PP material, thus making it be attached to PP surface better, sticking power is stronger, and snappiness is better than plastic cement primer, not easily paint is fallen when drop impact, and soaking-resistant;
The advantage of middle level water-based ceramic coating has higher hardness, weathering resistance ageing resistance and ply adhesion more by force, also possesses other class ceramic characteristics simultaneously;
The advantage of surface layer UV coating is mainly that adopted ultraviolet curing process does not pollute when drenching brush paint, more environmental protection.Baking vanish is shorter for time of drying, as long as it is just passable to go over the solid machine of light, therefore process velocity is faster.Glossiness is high, and outward appearance is more full.
Preferably, porcelain-imitated coating as above:
Described PP priming paint comprises following material component: chlorinated polypropylene modified acrylic acid resin 55 ~ 65 parts, thinner 9 ~ 14 parts, color stuffing 15 ~ 30 parts, auxiliary agent 2.5 ~ 6 parts;
Described middle level water-based ceramic coating comprises following material component: modified acrylic acid emulsion 51 ~ 60 parts, ceramics powder 10 ~ 20 parts, 15 ~ 20 parts, water, mill base 10 ~ 20 parts, auxiliary agent 1.6 ~ 7.1 parts;
Described surface layer UV coating comprises following material component: photosensitive resin 45 ~ 65 parts, reactive monomer 8 ~ 15 parts, light trigger 2.5 ~ 4 parts, thinner 10 ~ 30 parts, auxiliary agent 0.5 ~ 2 part.
Porcelain-imitated coating as above, in described surface layer UV coating:
Described photosensitive resin comprise in epoxy modification acrylate oligopolymer, urethane acrylate, polyester acrylate, epoxy acrylate, polyether acrylate one or more;
Described reactive monomer comprise in mono-functional reactive's monomer, di-functional reactive's monomer or polyfunctional group reactive monomer one or more;
Described light trigger comprise in ionic light trigger or radical photoinitiator one or more.
UV-light (UV) solidification is a kind of green technology, has that environmental friendliness, efficiency are high, an advantage such as economy and save energy.By the effect of light trigger, resin is polymerized under uviolizing, and crosslinking curing, this resinoid is called photosensitive resin.Photosensitive resin is the basic resin of photo-cured coating, it and light trigger, reactive monomer and various additive compound, namely forms photo-cured coating.
In photo-cured coating system, reactive monomer also can to participate in curing reaction.Chemically structure, reactive monomer is generally the small molecules containing polymerizable functional group.Owing to have employed reactive monomer in photocuring system, greatly reduce in solidification process the organic volatile entering air, this give the environmental protection characteristic of photocuring system.Reactive monomer by reactive group contained by its each molecule number, mono-functional reactive's monomer, di-functional reactive's monomer and polyfunctional group reactive monomer can be divided into.By the kind of functional group, then reactive monomer can be divided into (methyl) esters of acrylic acid, vinyl-based, vinyl ethers, epoxies etc.By curing mechanism, also reactive monomer can be divided into free radical type and cationic two classes.
Allly can produce free radical excite the material of polymerization to be referred to as light trigger further through illumination, light trigger is the important component part of surface layer UV coating, and light trigger comprises ionic light trigger and radical photoinitiator.
Preferably, porcelain-imitated coating as above:
Described thinner comprise in hydrocarbon diluent, ester class thinner, ketone thinner, alcohol diluent or alcohol ethers thinner one or more;
Described auxiliary agent comprise in defoamer, dispersion agent, anti-settling agent, adhesion promoter, sanitas, pH adjusting agent, film coalescence aid, flow agent one or more.
Preferred further:
Described hydrocarbon diluent comprise in benzene,toluene,xylene, No. 200 coal tar solvents, No. 200 industrial napthas or kerosene one or more;
And/or;
Described ester class thinner comprise in vinyl acetic monomer, N-BUTYL ACETATE or amyl acetate-n one or more;
And/or;
Described ketone thinner comprise in acetone, butanone, cyclopentanone or methyl iso-butyl ketone (MIBK) one or more;
And/or;
Described alcohol diluent comprise in methyl alcohol, ethanol or butanols one or more;
And/or;
Described alcohol ethers thinner comprise in glycol-ether, ethylene glycol-ether, Diethylene Glycol-ether one or more.
Thinner can dilute dissolving resin, makes paint solvent steadily volatilize in addition, obtains the object of level and smooth film, also has certain swelling capacity, can strengthen the sticking power of interlayer to priming paint.
Preferred further:
Described defoamer comprise in mineral oil antifoam agent, silicone antifoam agent or polyether antifoam agent one or more;
And/or;
Described dispersion agent comprises one or more in sodium polyacrylate, Zelan 338, Sodium hexametaphosphate 99, ammonium salt;
And/or;
Described anti-settling agent comprise in organobentonite, castor oil derivative, aerosil, polyolefin-wax, modified hydrogenated Viscotrol C, the N monomethyl pyrrolidone solution of modified polyurea, polyamide wax series one or more;
And/or;
Described adhesion promoter is a class binding substances of special denatured resin and silane coupling agent;
And/or;
Described sanitas comprises Kathon CG, slowly-releasing formaldehyde type sanitas, Kathon CG and Bronopol compound preservative, MIT and BIT compound preservative, Kathon CG and BIT compound preservative, Kathon CG and formaldehyde or formaldehyde sustained release dosage compound preservative, triazine or DOWICIL
tM75 with BIT compound preservative in one or more;
And/or;
Described pH adjusting agent comprises one or more in AMP-95, ammoniacal liquor, dimethylethanolamine, trolamine, diethanolamine, monoethanolamine, N-Mono Methyl Ethanol Amine, dimethylethanolamine, AlpaminaN41, butylethanolamine, N-aminopropyl monomethyl thanomin, butyl diethanolamine, sodium hydroxide, potassium hydroxide;
And/or;
Described film coalescence aid comprises one or more in Lauryl Alcohol ester, propylene glycol, ethylene glycol, diethylene glycol, Texanol, pine tar, tributyl phosphate;
And/or;
Described flow agent comprises one or more in polyurethanes flow agent, silicone based flow agent, acrylic acid series flow agent.
Coatings additive(s), also known as paint auxiliary material, is the subsidiary material of preparation coating, can improves coating property, promotes that film is formed.Coatings additive(s) is the indispensable component of coating, and it can improvement of production process, keeps shelf-stable, improves execution conditions, improve the quality of products, and gives specific function.Rationally correctly select auxiliary agent to reduce costs, increase economic efficiency.
Preferred:
Described PP priming paint comprises following material component: chlorinated polypropylene modified acrylic acid resin 55 ~ 65 parts, toluene 4 ~ 6 parts, methyl iso-butyl ketone (MIBK) 5 ~ 8 parts, color stuffing 15 ~ 30 parts, dispersion agent 1 ~ 3 part, anti-settling agent 1 ~ 2 part, adhesion promoter 0.5 ~ 1 part;
Described middle level water-based ceramic coating comprises following material component: modified acrylic acid emulsion 51 ~ 60 parts, ceramics powder 10 ~ 20 parts, 15 ~ 20 parts, water, mill base 10 ~ 20 parts, mineral oil antifoam agent 0.2 ~ 0.6 part, dispersion agent 0.2 ~ 0.5 part, sanitas 0.1 ~ 0.5 part, pH value conditioning agent 0.1 ~ 0.5 part, film coalescence aid 1.0-5.0;
Described surface layer UV coating comprises following material component: urethane acrylate 30 ~ 40 parts, polyester acrylate 10 ~ 15 parts, epoxy acrylate 5 ~ 10 parts, reactive monomer 8 ~ 15 parts, light trigger 2.5 ~ 4 parts, butanone 5 ~ 15 parts, organosilicon flow agent 0.5 ~ 2 part, N-BUTYL ACETATE 5 ~ 15 parts.
The ground that coating prepared by this screening formulation is particularly applicable to PP material uses.
Wherein, in described PP priming paint:
In the PP priming paint of the application, chlorinated polypropylene modified acrylic acid resin is topmost effective constituent, and thus content is maximum, the content of other components with it for benchmark carries out preferably; Toluene and methyl iso-butyl ketone (MIBK) are thinner; Dispersion agent, anti-settling agent, adhesion promoter are preferred auxiliary agent.
The effect of each component is as follows:
Chlorinated polypropylene modified acrylic acid resin carries out free radical grafting copolymerization with the vinylformic acid mix monomer and Chlorinated Polypropylene III that contain hydrophilic unit to react the resin obtained, and the emulsion that this resin is made has good gloss and sticking power; The chemical structure of chlorinated polypropylene modified acrylic acid resin is close with PP material, thus makes it be attached to PP surface better, has stronger sticking power, more difficult depainting.
Toluene and methyl iso-butyl ketone (MIBK) are organic solvent, dissolving resin can be diluted, play the effect of thinner, collocation chlorinated polypropylene modified acrylic acid resin reaches the object that paint solvent steadily volatilizees, obtains level and smooth film, also have certain swelling capacity to priming paint, swelling layer strengthens the sticking power of priming paint and ground.
Dispersion agent can affect gloss, transparency, consistency, flowing/levelling characteristic, output and the tinctorial strength of coating.The application can further preferably containing the macromolecule dispersing agent of pigment affinity groups, due to containing multiple close pigment group, all there is good wettability for organic with inorganic color stuffing, more tiny particle encounter stability is increased, do not flocculate, thus give full play to the tinctorial strength of its inherence.
Anti-settling agent is the rheology control agent of a class coating, and it makes coating have thixotropy, and viscosity improves greatly.Anti-settling agent plays an important role in modern coatings, and produce material impact to the production of coating, storage, application and film performance, thus its use comes into one's own day by day, and constantly develops the novel kind with better performance.
By mechanical bond between film and ground, physical adsorption (comprising wetting), form hydrogen bond and chemical bond, the effects such as mutual diffusion combine, good and the bad combination degree depending on film and ground of its sticking power, the method increasing sticking power has a variety of (as arranged in pairs or groups different resins, to the process of ground, add adhesion promoter etc.), wherein add a kind of method that adhesion promoter is simple and effective.Adhesion promoter has special efficacy for the slip-off preventing of coating, it has wider solvability, the sticking power and toughness that improve PP priming paint can be improved, greatly can improve the ply adhesion between paint finish paint and priming paint, obviously improve the moisture resistant performance of film, salt fog resistance performance and resistance toheat.The minimum consumption of adhesion promoter can obtain high-strength sticking power and bond power, has the stability in storage of excellence and long-lasting in paint and coating system.Such as, method PP ground being increased to sticking power can directly at the thin and uniform chlorinated polypropylene of its surface spraying one deck, its theory is that same substance is passed through to dissolve each other, to be wound around and HCL free acid works to PP ground " erosion ", increase the surface energy of ground, " grab " firmly ground to enable the group of paint.
Color stuffing can provide suitable color to coating, enables coating hide ground, makes color look pleasing; Also can affect the gloss of coating, improve and be coated with film strength, make film fine and close and improve sticking power, also can play skeleton, thickening, minimizing contraction, improve the effect such as application property and condition of surface.Select organic color stuffing or inorganic color stuffing in the application, titanium dioxide, zinc oxide, zinc sulfide white, stibium trioxide, white lead etc., it specifically selects to determine according to embody rule, does not do concrete restriction.
In the water-based ceramic coating of described middle level:
Ceramics powder is the significant composition of ceramic coating, and ceramic coating cannot not have stickyly effect, passive hardness, the functions such as sticking power, so use more and more extensive; Modified acrylic acid emulsion film forming is pliable and tough, good-extensibility.Ageing-resistant, not easy to change, be not easily clamminess, not easily embrittlement, and there is good ageing resistance and water-repellancy; In the present invention, preferred modified acrylic acid emulsion and ceramics powder are as principle active component, other components are using both as selection reference, and carry out proportioning by specific number, make product except the traditional performance with ceramic coating, be also provided with higher hardness, weathering resistance, aging and stronger ply adhesion.
Middle level water-based ceramic coating preferably prepares coating with water to replace organic solvent, safe, inexpensive, health.After synthetic resins occurs, water-borne coatings obtains and develops rapidly.Water-borne coatings not only replaces vegetables oil with synthetic materials, improves coating property; And solve the harm that solvent gas in coating application brings.In addition, due to oil crisis, prevent the pollution of the environment, note ecological protection, impel developing rapidly of water-borne coatings all further.
Middle level water-based ceramic coating is acrylic type emulsion paint, is water-borne coatings, often acutely foams in the process stirring mediation.Foaming causes volumetric expansion, makes the utilization ratio of blending equipments reduce mouth.Foaming limits stirring velocity, and time harmonic is extended, but also can make pigment and filler can not be fully wetting; Be in harmonious proportion after making and can inject pail pack, the production line injected continuously by volume instead of by weight injects, and bubbles and bucket can not be filled, and is vanishing gradually because of foam, will make again that the weight injecting bucket is uneven, interference is packed continuously; In use, foam can cause surface imperfection to emulsion paint, such as, on film, occur cratering, just vanishes, make film occur aperture or be called flake when namely bubble will arrive coating drying, film forming.Based on this, the application is preferred mineral oil antifoam agent, has froth breaking fast, the feature that cost performance is high.
Dispersion agent can promote colo(u)rant dispersion, keeps stably dispersing, suspension granules of pigments, prevents precipitation, can be used as emulsifying agent prepared by emulsion, play emulsification, protection, stable colloid, and the stablizer that also can be used as emulsion paint uses.
Water is the prerequisite of microbial growth, is rich in the various additives (as thickening material etc.) of nutritive ingredient especially for microbial growth provides favourable condition.The series of problems such as the microbial contamination such as bacterium, mould can cause coating products variable color, mobility is deteriorated, acidity becomes large, Practical Performance is deteriorated, cohesion, breakdown of emulsion, generation peculiar smell even surperficial mildew generation gas punching lid.Thus, in order to storage and the use of protective cover product, the present invention preferably with the addition of sanitas.
Mill base is the work piece be dispersed in by pigment or pigment and stopping composition in paint vehicle, can be used for the painted of aqueous ceramic coating.The selection of mill base according to its fast light weathering resistance, resistant to chemical media and can use Miscibility, tinctorial strength, opacifying power and color developing, between mill base and mill base, matching etc. is specifically selected, and does not carry out exhaustive herein.
Coating is generally alkaline, and pH value is generally 7.5 ~ 9.5.In coating industry, if the pH of coating is larger, then illustrate that coating alkalescence is larger, alkalescence is larger, then the phenomenon of more easily occur efflorescence, bubbling, fading, peel off.If the pH value of coating is less, then illustrate that the acidity of coating is larger, acid more conference is at coating surface mould growth.Mould breeds with spore, is being commonly called as of filamentous fungus, and its adaptability is comparatively strong, can disseminate everywhere at occurring in nature and breed.Some kind easily causes food spoilage, animals and plants and mankind's disease.Long-term suction mould with contact, can allergic symptom and respiratory tract disease etc. be caused.Therefore the application preferably adds pH value regulator.
Film coalescence aid is on the one hand the good solvent of coating, emulsion particle surface can also be made on the other hand softening, be easily out of shape, just can close proximity under less reactive force; Polymer segment degree of freedom can also be made to increase, and when particle is drawn close, molecular chain spreads mutually, merges film forming.
In described surface layer UV coating, urethane acrylate (PUA), polyester acrylate and epoxy acrylate are the oligopolymer of radical UV curing, the selection of three and set proportioning are the important steps of surface layer UV formulation for coating material, determine the salient features of the rear material of solidification, wherein urethane acrylate has excellent weathering resistance, determines preferred surface layer UV coat version and has weathering resistance.Adding of other compositions all adapts with these three kinds of main components with proportioning.
Containing acrylic-functional and amino-formate bond in the molecule of urethane acrylate, sizing agent after solidification has the high-wearing feature of urethane, adhesive power, snappiness, the optical property of high-peeling strength and excellent resistance to low temperature and polyacrylic ester brilliance and weathering resistance, is a kind of radiation curing material of high comprehensive performance;
Polyester acrylate has the characteristic of fast setting, snappiness and wet pigments;
Epoxy acrylate has the good characteristic of epoxy resin, but solidified nature and formability aspect more outstanding, loaded down with trivial details unlike epoxy resin, be a kind of heat-curing resin.It has excellent water tolerance, hot water resistance, resistance physical property, cohesiveness, toughness.
Light trigger is the important component part of surface layer UV coating, and the application's add-on preferably controls at 2.5 ~ 4 parts, and light trigger comprises ionic light trigger, radical photoinitiator, uses mixed light initiator better than single-component.
Reactive monomer is also the proper constituent in UV coating, repeats no more.
Thinner aspect, preferred butanone and N-BUTYL ACETATE.Wherein N-BUTYL ACETATE has low water content, the characteristic of low-viscosity, can be used as solvent and the thinner of urethane and urethane acrylate.And N-BUTYL ACETATE is less as toxicity during thinner.
Auxiliary agent aspect, flow agent can impel coating in drying and forming-film process, form smooth, smooth, a uniform film; Splashing can also be resisted; Coating can be made can not to produce flocculation phenomenon; Meanwhile, many flow agents also have thickening property concurrently.
The preferred organosilicon flow agent of the application, has higher flow control ability compared with other flow agents, the interfacial tension of adjustable surface layer paint, avoids turbulization (to comprise eddy current and the flowing of coat inside; The flowing that local pigment is shown in and rheology flowing).
Preferred:
Described PP priming paint comprises following material component: chlorinated polypropylene modified acrylic acid resin 55 ~ 65 parts, toluene 4 ~ 6 parts, methyl iso-butyl ketone (MIBK) 5 ~ 8 parts, color stuffing 15 ~ 30 parts, dispersion agent 1 ~ 3 part, anti-settling agent 1 ~ 2 part, adhesion promoter 0.5 ~ 1 part;
Described middle level water-based ceramic coating comprises following material component: modified acrylic acid emulsion 51 ~ 60 parts, ceramics powder 10 ~ 20 parts, 15 ~ 20 parts, water, mill base 10 ~ 20 parts, mineral oil antifoam agent 0.2 ~ 0.6 part, dispersion agent 0.2 ~ 0.5 part, sanitas 0.1 ~ 0.5 part, pH value conditioning agent 0.1 ~ 0.5 part, film coalescence aid 1.0-5.0;
Described surface layer UV coating comprises following material component: epoxy modification acrylate oligopolymer 55 ~ 65 parts, polyfunctional group reactive monomer 10 ~ 15 parts, light trigger 2.5 ~ 3 parts, thinner 10 ~ 20 parts, organic silicon surfactant 0.5 ~ 1 part.
The coating that it is ground that this preferred scheme middle level water-based ceramic coating and surface layer UV coating are also applicable to EVA material.
Wherein illustrate before PP priming paint and middle level water-based ceramic coating, repeat no more.
In preferred surface layer UV coating, epoxy modification acrylate oligopolymer is preferred photosensitive resin, is more suitable for EVA ground, the content of other components with it for benchmark is selected.
Wherein, reactive monomer is preferably polyfunctional group reactive monomer, the active group containing participated in the photocuring reaction of more than 3 or 3, and laser curing velocity is fast, and cross-linking density is large, and the hardness of cured film is high, and fragility is large, and resistance is excellent.Because relative molecular mass is large, viscosity is high, and dilution effect is relatively poor; Boiling point is high, and volatility is low, and shrinking percentage is large.Therefore in this application, polyfunctional group reactive monomer is not used to reduction system viscosity, but for accelerating curing speed, increasing the hardness of dry film, improving its scratch resistance etc.
Auxiliary agent aspect preferably has organic silicon surface active agent.Organic silicon surfactant is that dispersion agent (ammonium salt class dispersion agent) can be used as again flow agent (silicone based flow agent), its except having that conventional surfactants is wetting, dispersion, foaming, froth breaking, antistatic, emulsification, infiltration, softness, lubrication, except the performance such as solubilising, also there is the feature such as higher surfactivity, easy spread, physiological inertia, weathering resistance, high thermal resistance.
Thinner this area conventional thinner, repeats no more.
A spraying method for porcelain-imitated coating, comprises the following steps:
1), on prefabrication overall coating PP priming paint, priming paint is carried out at its surface-coated middle level water-based ceramic coating after drying, and to after the water-based ceramic coating drying of described middle level at its surface-coated surface layer UV coating;
2), drying is carried out to surface layer UV coating.
This spraying method is simple, convenient operation.Coating method can be spraying or brushes.Should decide spraying one deck or multilayer according to the proterties of prefabrication or effect, but the film after hardening completely cannot repeat to spray again.
The spraying method of porcelain-imitated coating as above, in step 1) in, described drying conditions is: thermofixation 15 ~ 25 minutes or seasoning more than 24 hours under 60 ~ 80 DEG C of conditions;
In step 2) in, described drying conditions by: to being coated with surface layer UV coating with 55 ~ 65 DEG C of heating levellings after 3 ~ 7 minutes, again the prefabrication of be coated with surface layer UV coating is entered light source region with the speed of 4 ~ 6m/min, set time, 6 ~ 10s, added up radiation 400 ~ 900mj/cm
2.
When it should be noted that normal temperature self-drying, suitably should adjust according to room temperature, then from dry more than 36 hours during winter temperature 15 ± 5 DEG C, time of drying is too short can be affected sticking power and easily ftracture from dry 24 hours such as summer.
Compared with prior art, beneficial effect of the present invention is:
1), PP priming paint due to the chemical structure of its main component chlorinated polypropylene modified acrylic acid resin close with PP material, thus making it be attached to PP surface better, sticking power is stronger, and snappiness is better than plastic cement primer, not easily paint is fallen when drop impact, and soaking-resistant.
2), the advantage of middle level water-based ceramic coating is that to have higher hardness, weathering resistance ageing resistance and ply adhesion stronger, also possesses other class ceramic characteristics simultaneously.
3), the advantage of surface layer UV coating is mainly that adopted ultraviolet curing process does not pollute when drenching brush paint, and photosensitive resin is solvent-free, and organic volatile matter (VOC) is few, environmental friendliness.Resin is mobility liquid, and storage in room temperature is stablized, easy to operate; Baking vanish is shorter for time of drying, as long as it is just passable to go over the solid machine of light, therefore process velocity is faster.Glossiness is high, and outward appearance is more full.
Embodiment
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting the scope of the invention.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturers suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, be and can buy by commercially available the conventional products obtained.
Embodiment 1 ~ 3
The porcelain-imitated coating that the present embodiment provides, its material component is as shown in embodiment numbering 1 ~ 3 in table 1.
Its spraying method comprises the following steps:
1), on prefabrication overall coating PP priming paint, priming paint is carried out at its surface-coated middle level water-based ceramic coating after drying, and to after the water-based ceramic coating drying of described middle level at its surface-coated surface layer UV coating;
Described drying conditions is: thermofixation 15 ~ 25 minutes or seasoning more than 24 hours under 60 ~ 80 DEG C of conditions;
2), drying is carried out to surface layer UV coating;
Drying conditions by: to being coated with surface layer UV coating with 55 ~ 65 DEG C of heating levellings after 3 ~ 7 minutes, then the prefabrication of is coated with surface layer UV coating is entered light source region with the speed of 4 ~ 6m/min, set time, 6 ~ 10s, added up radiation 400 ~ 900mj/cm
2.
Embodiment 4 ~ 7
The porcelain-imitated coating that the present embodiment provides, its material component is as shown in embodiment numbering 4 ~ 7 in table 1.
By the PP material flowerpot of injection moulding, first burr are cleaned out with small blade, then with clean-out system by clean for the cleaning oil pollution on flowerpot surface.Then spray PP priming paint, thickness 5 ~ 10u, toasts 60 ~ 70 DEG C, 20 ~ 25 minutes, carries out next process after cooling;
Middle painting middle level water-based ceramic coating, by it with vaporific form, is sprayed on PP priming paint equably, then again with the form of point-like, is scattered on the background color of just spray, allows it naturally produce the effect of sagging, seasoning more than 24 hours;
Preferably spray one UV finish paint again above, levellings are heated after 3 ~ 7 minutes with 55 ~ 65 DEG C to be coated with surface layer UV coating, again the prefabrication of be coated with surface layer UV coating is entered light source region with the speed of 4 ~ 6m/min, set time, 6 ~ 10s, added up radiation 400 ~ 900mj/cm
2.
Embodiment 8 ~ 11
The porcelain-imitated coating that the present embodiment provides, its material component is as shown in embodiment numbering 8 ~ 11 in table 1.
By the PP material flowerpot of injection moulding, first burr are cleaned out with small blade, then with clean-out system by clean for the cleaning oil pollution on flowerpot surface.Then manual brushing PP priming paint, thickness 5 ~ 10u, toasts 60 ~ 70 DEG C, 20 ~ 25 minutes, carries out next process after cooling;
Middle painting middle level water-based ceramic coating, by it with vaporific form, is sprayed on PP priming paint equably, and then again with the form of point-like, be scattered on the background color of just spray, allow it naturally produce the effect of sagging, winter, temperature was 15 ± 5 DEG C of seasoninies 30 ~ 36 hours;
Preferably spray one UV finish paint again above, film thickness 18 ± 2 μm.Heat levellings after 5 minutes to be coated with surface layer UV coating with 55 ~ 65 DEG C, then the prefabrication of be coated with surface layer UV coating is entered light source region with the speed of 4 ~ 6m/min, set time, 5 ~ 7min, added up radiation 400 ~ 700mj/cm
2.
The citing of table 1-1 Porcelain-like paint formula
The citing of table 1-2 Porcelain-like paint formula
The citing of table 1-3 Porcelain-like paint formula
Although illustrate and describe the present invention with specific embodiment, however it will be appreciated that can to make when not deviating from the spirit and scope of the present invention many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged in the scope of the invention in the following claims.
Claims (10)
1. a porcelain-imitated coating, described coating comprises PP priming paint, middle level water-based ceramic coating and surface layer UV coating, it is characterized in that:
Described PP priming paint comprises following material component: chlorinated polypropylene modified acrylic acid resin 45 ~ 75 parts, thinner 5 ~ 20 parts, color stuffing 10 ~ 35 parts, auxiliary agent 1 ~ 10 part;
Described middle level water-based ceramic coating comprises following material component: modified acrylic acid emulsion 40 ~ 70 parts, ceramics powder 5 ~ 30 parts, 10 ~ 25 parts, water, mill base 5 ~ 25 parts, auxiliary agent 1 ~ 10 part;
Described surface layer UV coating comprises following material component: photosensitive resin 30 ~ 80 parts, reactive monomer 3 ~ 25 parts, light trigger 1.5 ~ 5 parts, thinner 5 ~ 40 parts, auxiliary agent 0.1 ~ 5 part.
2. porcelain-imitated coating as claimed in claim 1, is characterized in that:
Described PP priming paint comprises following material component: chlorinated polypropylene modified acrylic acid resin 55 ~ 65 parts, thinner 9 ~ 14 parts, color stuffing 15 ~ 30 parts, auxiliary agent 2.5 ~ 6 parts;
Described middle level water-based ceramic coating comprises following material component: modified acrylic acid emulsion 51 ~ 60 parts, ceramics powder 10 ~ 20 parts, 15 ~ 20 parts, water, mill base 10 ~ 20 parts, auxiliary agent 1.6 ~ 7.1 parts;
Described surface layer UV coating comprises following material component: photosensitive resin 45 ~ 65 parts, reactive monomer 8 ~ 15 parts, light trigger 2.5 ~ 4 parts, thinner 10 ~ 30 parts, auxiliary agent 0.5 ~ 2 part.
3. porcelain-imitated coating as claimed in claim 1 or 2, is characterized in that, in described surface layer UV coating:
Described photosensitive resin comprise in epoxy modification acrylate oligopolymer, urethane acrylate, polyester acrylate, epoxy acrylate, polyether acrylate one or more;
Described reactive monomer comprise in mono-functional reactive's monomer, di-functional reactive's monomer or polyfunctional group reactive monomer one or more;
Described light trigger comprise in ionic light trigger or radical photoinitiator one or more.
4. porcelain-imitated coating as claimed in claim 3, is characterized in that:
Described thinner comprise in hydrocarbon diluent, ester class thinner, ketone thinner, alcohol diluent or alcohol ethers thinner one or more;
Described auxiliary agent comprise in defoamer, dispersion agent, anti-settling agent, adhesion promoter, sanitas, pH adjusting agent, film coalescence aid, flow agent one or more.
5. porcelain-imitated coating as claimed in claim 4, is characterized in that, in described thinner:
Described hydrocarbon diluent comprise in benzene,toluene,xylene, No. 200 coal tar solvents, No. 200 industrial napthas or kerosene one or more;
And/or;
Described ester class thinner comprise in vinyl acetic monomer, N-BUTYL ACETATE or amyl acetate-n one or more;
And/or;
Described ketone thinner comprise in acetone, butanone, cyclopentanone or methyl iso-butyl ketone (MIBK) one or more;
And/or;
Described alcohol diluent comprise in methyl alcohol, ethanol or butanols one or more;
And/or;
Described alcohol ethers thinner comprise in glycol-ether, ethylene glycol-ether, Diethylene Glycol-ether one or more.
6. porcelain-imitated coating as claimed in claim 4, is characterized in that, in described auxiliary agent:
Described defoamer comprise in mineral oil antifoam agent, silicone antifoam agent or polyether antifoam agent one or more;
And/or;
Described dispersion agent comprises one or more in sodium polyacrylate, Zelan 338, Sodium hexametaphosphate 99, ammonium salt;
And/or;
Described anti-settling agent comprise in organobentonite, castor oil derivative, aerosil, polyolefin-wax, modified hydrogenated Viscotrol C, the N monomethyl pyrrolidone solution of modified polyurea, polyamide wax series one or more;
And/or;
Described adhesion promoter is a class binding substances of special denatured resin and silane coupling agent;
And/or;
Described sanitas comprises Kathon CG, slowly-releasing formaldehyde type sanitas, Kathon CG and Bronopol compound preservative, MIT and BIT compound preservative, Kathon CG and BIT compound preservative, Kathon CG and formaldehyde or formaldehyde sustained release dosage compound preservative, triazine or DOWICIL
tM75 with BIT compound preservative in one or more;
And/or;
Described pH adjusting agent comprises one or more in AMP-95, ammoniacal liquor, dimethylethanolamine, trolamine, diethanolamine, monoethanolamine, N-Mono Methyl Ethanol Amine, dimethylethanolamine, AlpaminaN41, butylethanolamine, N-aminopropyl monomethyl thanomin, butyl diethanolamine, sodium hydroxide, potassium hydroxide;
And/or;
Described film coalescence aid comprises one or more in Lauryl Alcohol ester, propylene glycol, ethylene glycol, diethylene glycol, Texanol, pine tar, tributyl phosphate;
And/or;
Described flow agent comprises one or more in polyurethanes flow agent, silicone based flow agent, acrylic acid series flow agent.
7. the porcelain-imitated coating as described in claim 5 or 6, is characterized in that:
Described PP priming paint comprises following material component: chlorinated polypropylene modified acrylic acid resin 55 ~ 65 parts, toluene 4 ~ 6 parts, methyl iso-butyl ketone (MIBK) 5 ~ 8 parts, color stuffing 15 ~ 30 parts, dispersion agent 1 ~ 3 part, anti-settling agent 1 ~ 2 part, adhesion promoter 0.5 ~ 1 part;
Described middle level water-based ceramic coating comprises following material component: modified acrylic acid emulsion 51 ~ 60 parts, ceramics powder 10 ~ 20 parts, 15 ~ 20 parts, water, mill base 10 ~ 20 parts, mineral oil antifoam agent 0.2 ~ 0.6 part, dispersion agent 0.2 ~ 0.5 part, sanitas 0.1 ~ 0.5 part, pH value conditioning agent 0.1 ~ 0.5 part, film coalescence aid 1.0-5.0;
Described surface layer UV coating comprises following material component: urethane acrylate 30 ~ 40 parts, polyester acrylate 10 ~ 15 parts, epoxy acrylate 5 ~ 10 parts, reactive monomer 8 ~ 15 parts, light trigger 2.5 ~ 4 parts, butanone 5 ~ 15 parts, organosilicon flow agent 0.5 ~ 2 part, N-BUTYL ACETATE 5 ~ 15 parts.
8. the porcelain-imitated coating as described in claim 5 or 6, is characterized in that:
Described PP priming paint comprises following material component: chlorinated polypropylene modified acrylic acid resin 55 ~ 65 parts, toluene 4 ~ 6 parts, methyl iso-butyl ketone (MIBK) 5 ~ 8 parts, color stuffing 15 ~ 30 parts, dispersion agent 1 ~ 3 part, anti-settling agent 1 ~ 2 part, adhesion promoter 0.5 ~ 1 part;
Described middle level water-based ceramic coating comprises following material component: modified acrylic acid emulsion 51 ~ 60 parts, ceramics powder 10 ~ 20 parts, 15 ~ 20 parts, water, mill base 10 ~ 20 parts, mineral oil antifoam agent 0.2 ~ 0.6 part, dispersion agent 0.2 ~ 0.5 part, sanitas 0.1 ~ 0.5 part, pH value conditioning agent 0.1 ~ 0.5 part, film coalescence aid 1.0-5.0;
Described surface layer UV coating comprises following material component: epoxy modification acrylate oligopolymer 55 ~ 65 parts, polyfunctional group reactive monomer 10 ~ 15 parts, light trigger 2.5 ~ 3 parts, thinner 10 ~ 20 parts, organic silicon surfactant 0.5 ~ 1 part.
9. a spraying method for porcelain-imitated coating, is characterized in that, comprises the following steps:
1), on prefabrication overall coating PP priming paint, priming paint is carried out at its surface-coated middle level water-based ceramic coating after drying, and to after the water-based ceramic coating drying of described middle level at its surface-coated surface layer UV coating;
2), drying is carried out to surface layer UV coating.
10. as required the spraying method of the porcelain-imitated coating as described in 9, it is characterized in that, in step 1) in, described drying conditions is: thermofixation 15 ~ 25 minutes or seasoning more than 24 hours under 60 ~ 80 DEG C of conditions;
In step 2) in, described drying conditions by: to being coated with surface layer UV coating with 55 ~ 65 DEG C of heating levellings after 3 ~ 7 minutes, again the prefabrication of be coated with surface layer UV coating is entered light source region with the speed of 4 ~ 6m/min, set time, 6 ~ 10s, added up radiation 400 ~ 900mj/cm
2.
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| CN201510713659.6A CN105199515B (en) | 2015-10-27 | 2015-10-27 | A kind of imitation porcelain coating and its spraying method |
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| CN105505020A (en) * | 2016-01-04 | 2016-04-20 | 惠州圣源恒工艺品有限公司 | Environment-friendly ceramic simulating coating and spraying method thereof |
| CN105885581A (en) * | 2016-04-13 | 2016-08-24 | 王艺 | Flowerpot having ceramic-like effect and made with spraying technology |
| CN105925080A (en) * | 2016-04-30 | 2016-09-07 | 株洲市万益化工有限公司 | Polypropylene (PP) substrate coating and preparation method thereof |
| CN106833190A (en) * | 2017-01-10 | 2017-06-13 | 河北晨阳工贸集团有限公司 | Special sealing wax of polypropylene plastics and preparation method thereof |
| CN107127128A (en) * | 2017-06-06 | 2017-09-05 | 肖华丽 | A kind of parian imitates the spraying coating process of ceramics |
| CN108864831A (en) * | 2018-06-15 | 2018-11-23 | 深圳砺剑博纳科技有限公司 | A kind of aqueous, environmental protective imitation porcelain coating and its construction method |
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| CN114133808A (en) * | 2021-12-31 | 2022-03-04 | 常州市烨超化工有限公司 | Multifunctional plastic primer |
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| CN105505020B (en) * | 2016-01-04 | 2018-07-31 | 惠州圣源恒工艺品有限公司 | A kind of environment-friendly porcelain-like paint and its spraying method |
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| CN106833190A (en) * | 2017-01-10 | 2017-06-13 | 河北晨阳工贸集团有限公司 | Special sealing wax of polypropylene plastics and preparation method thereof |
| CN107127128A (en) * | 2017-06-06 | 2017-09-05 | 肖华丽 | A kind of parian imitates the spraying coating process of ceramics |
| CN108864831A (en) * | 2018-06-15 | 2018-11-23 | 深圳砺剑博纳科技有限公司 | A kind of aqueous, environmental protective imitation porcelain coating and its construction method |
| CN109359498A (en) * | 2018-09-29 | 2019-02-19 | 东莞市科佳电路有限公司 | A kind of method that two dimensional code saves bad plate information |
| CN109810619A (en) * | 2019-01-25 | 2019-05-28 | 山东巴德士化工有限公司 | A kind of PE thickness applies crack resistence white background and preparation method thereof |
| CN114133808A (en) * | 2021-12-31 | 2022-03-04 | 常州市烨超化工有限公司 | Multifunctional plastic primer |
| CN114773920A (en) * | 2022-04-25 | 2022-07-22 | 广东深展实业有限公司 | Photo-thermal dual-curing vacuum coating paint for polypropylene plastic and preparation method thereof |
| CN115260852A (en) * | 2022-07-22 | 2022-11-01 | 广东希贵光固化材料有限公司 | EB flame-retardant curtain coating gloss oil and preparation method thereof |
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