CN105199515B - A kind of imitation porcelain coating and its spraying method - Google Patents
A kind of imitation porcelain coating and its spraying method Download PDFInfo
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- CN105199515B CN105199515B CN201510713659.6A CN201510713659A CN105199515B CN 105199515 B CN105199515 B CN 105199515B CN 201510713659 A CN201510713659 A CN 201510713659A CN 105199515 B CN105199515 B CN 105199515B
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Abstract
The present invention relates to handicraft and construction and decoration field, and in particular to a kind of imitation porcelain coating, the coating includes PP priming paint, the water-based imitative ceramic coating in middle level and surface layer UV coating；PP priming paint is made up of 45~75 parts of chlorinated polypropylene modified acrylic acid resin, 5~20 parts of diluent, 10~35 parts of color stuffing, 1~10 part of auxiliary agent；The water-based ceramic coating in middle level is made up of 40~70 parts of modified acrylic acid emulsion, 5~30 parts of ceramic powder, 10~25 parts of water, 5~25 parts of mill base, 1~10 part of auxiliary agent；Surface layer UV coating is made up of 30~80 parts of photosensitive resin, 3~25 parts of activated monomer, 1.5~5 parts of light trigger, 5~40 parts of diluent, 0.1~5 part of auxiliary agent.Base coat depainting not easy to crack, middle coating intermediate weatherability, resistance to ag(e)ing, ply adhesion are strong, and investment precoat is environmentally friendly, short from dry hardening time.The invention further relates to a kind of spraying method of imitation porcelain coating, this method are easily operated.
Description
Technical field
The present invention relates to handicraft and construction and decoration field, in particular to a kind of imitation porcelain coating and its spraying method.
Background technology
Coating is a wide in range concept.Including water-based, oiliness.Oiliness is consolidated including all kinds of one-components, two-component room temperature
Change paint, high temperature baking vanish, UV photo-curing paints etc., also including PU coatings, powder electrostatic coating etc..Coating is a kind of material, this material
Material can be coated in object surface with different construction methods, and it is firm, thin with some strength, continuous solid-state to form adhesion
Film.Because the coating of early stage is mostly using vegetable oil as main material, so also referred to as paint.The main component of coating includes film forming matter
Matter, auxiliary agent, pigment and solvent, its main function have at 3 points：The defects of protecting, decorating and cover up product, lift the valency of product
Value.
With developing rapidly for coatings industry, the application of coating article is more and more important, turns into people's production and life not
The important materials that can lack.Coating will be solved the problems, such as nothing more than being the following aspects：The stability of system itself；System with
The being firmly combined with property of base material, the quality of system film forming；Function of surface after system film forming.But traditional coating is solving problem above
When still have many deficiencies.Traditional coating with three coating groups using relatively broad, by plastic cement primer, Shui Liu You coating
And oiliness PU paint compositions.Plastic cement primer hardness is stronger, has preferable corrosion resistance, but easily splits, and holds when falling or colliding
Easy depainting；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 smaller, weatherability,
Resistance to ag(e)ing, ply adhesion are poor；Oiliness PU paints are painted used in present most factories, and its paint film is relatively thin, firmly
Degree can reach 2H, paint film adhesion is very strong, and lacquer painting, which is not easily susceptible to cracking, to come off, and gloss is well-balanced, have very strong permeability and
Pliability, anti-bang and wearability are also very strong, but the free TDI content of curing agent component is higher, are always environmental protection concern weight
Point, in addition its, unsuitable production in enormous quantities very long from dry hardening time.
In view of this, it is special to propose the present invention.
The content of the invention
The first object of the present invention is to provide a kind of imitation porcelain coating, and described imitation porcelain coating is water-based by PP priming paint, middle level
Ceramic coating and surface layer UV coating composition, can solve existing base coat depainting easy to crack, middle coating intermediate relative hardness is smaller, resistance to
Hou Xing, resistance to ag(e)ing, ply adhesion are poor, investment precoat is not environmentally friendly enough, from dry hardening time it is long the problem of.
The second object of the present invention is to provide a kind of spraying method of imitation porcelain coating, this method and the imitation porcelain coating phase
Coordinate, easily implement, it is workable.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
A kind of imitation porcelain coating, the coating include PP priming paint, the water-based ceramic coating in middle level and surface layer UV coating：
The PP priming paint includes the following raw material component：45~75 parts of chlorinated polypropylene modified acrylic acid resin, diluent 5~
20 parts, 10~35 parts of color stuffing, 1~10 part of auxiliary agent；
The water-based ceramic coating in middle level includes the following raw material component：40~70 parts of modified acrylic acid emulsion, ceramic powder 5~
30 parts, 10~25 parts of water, 5~25 parts of mill base, 1~10 part of auxiliary agent；
The surface layer UV coating includes the following raw material component：30~80 parts of photosensitive resin, 3~25 parts of activated monomer, light draw
Send out 1.5~5 parts of agent, 5~40 parts of diluent, 0.1~5 part of auxiliary agent.
PP priming paint because the chemical constitution of its main component chlorinated polypropylene modified acrylic acid resin is close with PP materials, from
And it is preferably attached to PP surfaces, adhesive force is stronger, and pliability is better than plastic cement primer, is not easy in drop impact
Paint, and soaking-resistant；
The advantages of water-based ceramic coating in middle level is that have higher hardness, weatherability resistance to ag(e)ing and ply adhesion more
By force, other class ceramic characteristics are also equipped with while；
Ultraviolet curing process does not pollute in leaching brush paint used by the advantages of surface layer UV coating essentially consists in, more ring
Protect.Baking vanish drying time is shorter, if the solid machine can of light is gone over, therefore process velocity is faster.Glossiness is high, and outward appearance is more
It is full.
Preferably, imitation porcelain coating as described above：
The PP priming paint includes the following raw material component：55~65 parts of chlorinated polypropylene modified acrylic acid resin, diluent 9~
14 parts, 15~30 parts of color stuffing, 2.5~6 parts of auxiliary agent；
The water-based ceramic coating in middle level includes the following raw material component：51~60 parts of modified acrylic acid emulsion, ceramic powder 10
~20 parts, 15~20 parts of water, 10~20 parts of mill base, 1.6~7.1 parts of auxiliary agent；
The surface layer UV coating includes the following raw material component：45~65 parts of photosensitive resin, 8~15 parts of activated monomer, light draw
Send out 2.5~4 parts of agent, 10~30 parts of diluent, 0.5~2 part of auxiliary agent.
Imitation porcelain coating as described above, in the surface layer UV coating：
The photosensitive resin includes epoxy modification acrylate oligomer, urethane acrylate, polyester acrylate, ring
One or more in oxypropylene acid esters, polyether acrylate；
The activated monomer is included in mono-functional reactive's monomer, di-functional reactive's monomer or polyfunctional group activated monomer
One or more；
The light trigger includes the one or more in ionic light trigger or radical photoinitiator.
Ultraviolet light (UV) solidification is a kind of green technology, has environment-friendly, efficiency high, economy and the saving energy etc. excellent
Point.It polymerize resin by the effect of light trigger under ultraviolet irradiation, and crosslinking curing, this resinoid are referred to as photosensitive
Resin.Photosensitive resin is the basic resin of photocureable coating, and it is with light trigger, activated monomer and various additive compounds, i.e.,
Form photocureable coating.
In photocureable coating system, activated monomer can also participate in curing reaction.Chemically for structure, activity is single
Body is usually the small molecule containing polymerizable functional group.As a result of activated monomer in photocuring system, greatly reduce
The organic volatile of air inlet in solidification process, this give the environmental protection characteristic of photocuring system.Activated monomer presses each of which
The number of reactive group contained by molecule, can be divided into mono-functional reactive's monomer, di-functional reactive's monomer and polyfunctional group
Activated monomer.By the species of functional group, then activated monomer can be divided into (methyl) esters of acrylic acid, vinyl-based, vinyl ethers
Class, epoxies etc..By curing mechanism, activated monomer can be also divided into free radical type and the class of cationic two.
All materials that can be produced free radical through illumination and further excite polymerization are referred to as light trigger, and light trigger is face
The important component of layer UV coating, light trigger include ionic light trigger and radical photoinitiator.
Preferably, imitation porcelain coating as described above：
The diluent includes hydrocarbon diluent, esters diluent, ketone diluent, alcohol diluent or alcohol ethers dilution
One or more in agent；
The auxiliary agent, which includes defoamer, dispersant, anti-settling agent, adhesion promoter, preservative, pH adjusting agent, film forming, to be helped
One or more in agent, levelling agent.
Further preferred：
The hydrocarbon diluent is included in benzene,toluene,xylene, No. 200 coal tar solvents, No. 200 industrial napthas or kerosene
One or more；
And/or；
The esters diluent includes the one or more in ethyl acetate, butyl acetate or amyl acetate；
And/or；
The ketone diluent includes the one or more in acetone, butanone, cyclopentanone or methyl iso-butyl ketone (MIBK)；
And/or；
The alcohol diluent includes the one or more in methanol, ethanol or butanol；
And/or；
The alcohol ethers diluent includes glycol-ether, ethylene glycol-ether, one kind in diethylene glycol-ether or more
Kind.
Diluent can dilute dissolving resin, also cause paint solvent steadily to volatilize, obtain the purpose of smooth film, right
Priming paint also has certain swelling capacity, can strengthen the adhesive force of interlayer.
Further preferred：
The defoamer includes the one or more in mineral oil antifoam agent, organic silicon defoamer or polyether antifoam agent；
And/or；
The dispersant includes one kind in Sodium Polyacrylate, styrene maleic anhydride copolymer, calgon, ammonium salt
It is or several；
And/or；
The anti-settling agent includes organobentonite, castor oil derivative, aerosil, polyolefin-wax, modified hydrogenated
One or more in castor oil, the N monomethyls pyrrolidone solution of modified polyurea, polyamide wax series；
And/or；
The adhesion promoter is a kind of conjugate of special denatured resin and silane coupler；
And/or；
The preservative includes Kathon CG, sustained release formaldehyde type preservative, Kathon CG and Bronopol compound preservative, MIT and BIT
Compound preservative, Kathon CG and BIT compound preservatives, Kathon CG and formaldehyde or formaldehyde sustained release agent compound preservative, triazine or
DOWICILTM75 with BIT compound preservatives in one or more；
And/or；
The pH adjusting agent include AMP-95, ammoniacal liquor, dimethylethanolamine, triethanolamine, diethanol amine, MEA,
N- methylethanolamines, dimethylethanolamine, Alpamina N41, butylethanolamine, N- aminopropyl monomethyls monoethanolamine, butyl two
One or more in monoethanolamine, sodium hydroxide, potassium hydroxide；
And/or；
The coalescents include Lauryl Alcohol ester, propane diols, ethylene glycol, diethylene glycol, Texanol, pine tar, phosphoric acid
One or more in tributyl；
And/or；
The levelling agent include polyurethanes levelling agent, silicone levelling agent, one kind in acrylic acid series levelling agent or
It is several.
Coating additive also known as paints auxiliary material, prepares the auxiliary material of coating, can improve coating property, promotes film shape
Into.Coating additive is the indispensable component of coating, and it can improve production technology, keeps storage stable, improves execution conditions,
Product quality is improved, assigns specific function.Cost correctly rationally can be reduced from auxiliary agent, is increased economic efficiency.
Preferably：
The PP priming paint includes the following raw material component：55~65 parts of chlorinated polypropylene modified acrylic acid resin, toluene 4~6
Part, 5~8 parts of methyl iso-butyl ketone (MIBK), 15~30 parts of color stuffing, 1~3 part of dispersant, 1~2 part of anti-settling agent, adhesion promoter
0.5~1 part；
The water-based ceramic coating in middle level includes the following raw material component：51~60 parts of modified acrylic acid emulsion, ceramic powder 10
~20 parts, 15~20 parts of water, 10~20 parts of mill base, 0.2~0.6 part of mineral oil antifoam agent, 0.2~0.5 part of dispersant, preservative
0.1~0.5 part, 0.1~0.5 part of pH value conditioning agent, coalescents 1.0-5.0；
The surface layer UV coating includes the following raw material component：30~40 parts of urethane acrylate, polyester acrylate 10
~15 parts, it is 5~10 parts of epoxy acrylate, 8~15 parts of activated monomer, 2.5~4 parts of light trigger, 5~15 parts of butanone, organic
0.5~2 part of silicon levelling agent, 5~15 parts of butyl acetate.
The ground of the particularly suitable PP materials of coating prepared by this optimization formula uses.
Wherein, in the PP priming paint：
In the PP priming paint of the application, chlorinated polypropylene modified acrylic acid resin is most important active ingredient, thus is contained
Amount is most, and the content of other components is preferred to be carried out on the basis of it；Toluene and methyl iso-butyl ketone (MIBK) are diluent；Dispersant, prevent
Heavy agent, adhesion promoter are preferable auxiliary agent.
The effect of each component is as follows：
Chlorinated polypropylene modified acrylic acid resin is to be entered with the acrylic acid mix monomer containing hydrophilic unit with chlorinated polypropylene
Resin made from the reaction of row free radical grafting copolymerization, emulsion made of the resin have preferable gloss and adhesive force；Chlorination gathers
The acrylic resin modified chemical constitution of propylene is close with PP materials, so that it is preferably attached to PP surfaces, has stronger
Adhesive force, more difficult depainting.
Toluene and methyl iso-butyl ketone (MIBK) are organic solvent, can dilute dissolving resin, play a part of diluent, chlorination of arranging in pairs or groups
Polypropylene modified acrylic acid resin steadily volatilizees reaching paint solvent, obtains the purpose of smooth film, also has one to priming paint
Fixed swelling capacity, swelling layer strengthen the adhesive force of priming paint and ground.
Dispersant can influence the gloss of coating, transparency, compatibility, flowing/levelling characteristic, yield and tinctorial strength.
The application can further preferred affinity groups containing pigment macromolecule dispersing agent, due to containing multiple close pigment groups, for having
Machine has good wetability with inorganic color stuffing, increases more tiny particle encounter stability, does not flocculate, so as to fully send out
Wave in it tinctorial strength.
Anti-settling agent is the rheology control agent of a kind of coating, and it makes coating have thixotropy, and viscosity greatly improves.Anti-settling agent exists
Played an important role in modern coatings, the production, storage, application and film performance to coating produce material impact, thus it makes
With being increasingly subject to pay attention to, and constantly develop the new kind with more preferable performance.
Hydrogen bond and chemical bond, can be formed, mutually at physical absorption (including wetting) by mechanical bond between film and ground
The effects such as diffusion are combined together, and the good combination degree with badly depending on film and ground of its adhesive force, increase adhesive force
Method has a variety of (different resin of such as arranging in pairs or groups, the processing to ground, addition adhesion promoters etc.), wherein adding adhesive force
Accelerator is a kind of method of simple and effective.Adhesion promoter has special efficacy for the anti-dropout of coating, its have compared with
Wide dissolubility, the adhesive force and toughness for improving PP priming paint can be improved, the interlayer between paint finish paint and priming paint can be greatly improved
Adhesive force, hence it is evident that improve the moisture resistance energy, resistance to saltfog energy and heat resistance of film.The minimum dosage of adhesion promoter is
High-strength adhesive force and bond power can be obtained, there is excellent storage stability and long-term effect in paint and coating system.Example
Such as, the method for increasing PP grounds adhesive force can be directly in one layer of uniform and thin chlorinated polypropylene of its surface spraying, its
Theory is same substance by dissolving each other, winding and HCL free acids work to PP grounds " erosion ", increases the surface of ground
Can, so that the group of paint " can grab " and live ground.
Color stuffing can provide suitable color to coating, coating is covered ground, color is looked pleasing；
The gloss of coating can be also influenceed, improves and applies film strength, makes film fine and close and improves adhesive force, can also play skeleton, thickening, reduction
Shrink, improve the effect such as application property and surface state.Organic color stuffing or inorganic color stuffing, titanium white are selected in the application
Powder, zinc oxide, lithopone, stibium trioxide, white lead etc., its is specifically chosen to be determined according to concrete application, do not do specific limit
It is fixed.
In the water-based ceramic coating in the middle level：
Ceramic powder is the significant composition of ceramic coating, and ceramic coating, which has, does not glue the work(such as effect, abrasion hardness, adhesive force
Can, so with more and more extensive；Modified acrylic acid emulsion film forming is flexible, good-extensibility.It is ageing-resistant, it is not easy to change, it is not easy to send out
It is viscous, embrittlement is not easy, and there is good resistance to ag(e)ing and water proofing property；Preferred modified acrylic acid emulsion is made with ceramic powder in the present invention
For principle active component, other components are matched by specific number with both as selection benchmark so that product is except tool
Have outside the traditional performance of ceramic coating, be also provided with higher hardness, weatherability, aging and stronger ply adhesion.
The water-based ceramic coating in middle level preferably replaces organic solvent to prepare coating with water, safe, inexpensive, hygienic.Synthetic resin
After appearance, water paint is developed rapidly.Water paint not only replaces vegetable oil with synthetic material, improves coating
Energy；And solves the harm that solvent gas in coating application are brought.Further, since oil crisis, preventing the pollution of the environment, paying attention to
Ecological protection, all further promote developing rapidly for water paint.
The water-based ceramic coating in middle level is acrylic type emulsion paint, is water paint, during mediation is stirred often
Acutely foaming.Foaming causes volumetric expansion, makes the utilization rate of mediation equipment reduce mouth.Foaming limits mixing speed, makes mediation
Time lengthening, but also pigment can be prevented with filler from fully soaking；Reconciling can inject in pail pack after making, and be continuously injected into
Production line injected by volume rather than by weight, foaming prevents bucket from filling, and because foam is gradually being vanished, again will
So that weight inequality, the continuous packaging of interference in injection bucket；Emulsion paint is in use, and foam can cause surface defect, such as
Occurs cratering on film, i.e., bubble will arrive just shattered to pieces when dry coating, film forming, make to occur aperture on film or be flake.Base
In this, the preferred mineral oil antifoam agent of the application, there is the characteristics of defoaming is fast, cost-effective.
Dispersant can promote pigment to disperse, and keep stably dispersing, suspension granules of pigments, prevent from precipitating, can be used as emulsion system
Standby emulsifying agent, play emulsification, protection, stable colloid, can also be used as the stabilizer of emulsion paint.
Water is the necessary condition of microbial growth, and the various additives (such as thickener) rich in nutritional ingredient are even more
Advantage is provided for the growth of microorganism.The microorganism pollutions such as bacterium, mould can cause coating products discoloration, mobility to become
Difference, acidity become big, practical performance deterioration, cohesion, demulsification, produce peculiar smell even surface mildew and produce that gas punching lid etc. is a series of to ask
Topic.Thus, for the storage and use of protective coating product, the present invention preferably with the addition of preservative.
Mill base is to be dispersed in the semi-products formed in paint vehicle by pigment or pigment and inserts, available for aqueous ceramic coating
Coloring.The selection of mill base can be according to its fast light weatherability, resistant to chemical media and use Miscibility, tinctorial strength, screening
Matching etc. is carried out specifically chosen between lid power and color developing, mill base and mill base, herein without exhaustion.
Coating is usually alkalescence, and pH value is usually 7.5~9.5.In coating industry, if the pH of coating is bigger,
Illustrate that coating alkalescence is bigger, alkalescence is bigger, then efflorescence, foaming, colour fading, the phenomenon peeled off more easily occurs.If the pH of coating
Be worth it is smaller, then illustrate coating acidity it is bigger, acidity get over conference in coating surface mould growth.Mould is bred with spore,
It is being commonly called as filamentous fungi, its adaptability is stronger, can disseminate and breed everywhere in nature.Some species easily cause food
Thing is rotten, animals and plants and mankind's disease.Long-term suction mould and contact, can trigger allergic symptom and breathing problem etc..Therefore
The application is preferably added to pH value regulator.
On the one hand coalescents are the good solvents of coating, emulsion particle surface can also on the other hand softened, and are easily become
Shape, the can close proximity under less active force；It can also increase the polymer segment free degree, the time-division is drawn close in particle
Subchain phase counterdiffusion, merge film forming.
In the surface layer UV coating, urethane acrylate (PUA), polyester acrylate and epoxy acrylate are
The oligomer of radical UV curing, the selection of three and set proportioning are the important steps of surface layer UV formulation for coating material, are determined
The main performance of material after solidification, wherein urethane acrylate have excellent weatherability, determine that preferable surface layer UV is applied
Material scheme has weatherability.The addition of other compositions with proportioning is adapted with these three main components.
Contain acrylic-functional and amino-formate bond in the molecule of urethane acrylate, the adhesive tool after solidification
There are high-wearing feature, adhesion, pliability, high-peeling strength and excellent resistance to low temperature and the polyacrylate of polyurethane tall and erect
Optical property and weatherability more, it is a kind of radiation curing material of high comprehensive performance；
Polyester acrylate has the characteristic of rapid curing, pliability and wet pigments；
Epoxy acrylate has the good characteristic of epoxy resin, but more outstanding in terms of curability and mouldability, no
It is loaded down with trivial details as epoxy resin, it is a kind of heat-curing resin.It has excellent water resistance, hot water resistance, resistance physical property, viscous
Knot property, toughness.
Light trigger is the important component of surface layer UV coating, and the application addition is preferably controlled in 2.5~4 parts, light
Initiator includes ionic light trigger, radical photoinitiator, more preferable than one-component using mixing light trigger.
Activated monomer is also the proper constituent in UV coating, is repeated no more.
Diluent aspect, preferably butanone and butyl acetate.Wherein butyl acetate has a low water content, the characteristic of low-viscosity,
It can be used as the solvent and diluent of polyurethane and urethane acrylate.And it is smaller that butyl acetate is used as toxicity during diluent.
In terms of auxiliary agent, levelling agent can promote coating to form a smooth, smooth, uniform painting during drying and forming-film
Film；Splashing can also be resisted；It may be such that coating will not produce flocculation phenomenon；Meanwhile many levelling agents also have thickening property concurrently.
The preferred organosilicon levelling agent of the application, there is higher flowing control ability compared with other levelling agents, can adjust
The interfacial tension of surface layer paint, avoid turbulization (including the vortex of coat inside and flowing；The flowing and rheology that local pigment is shown in
Learn flowing).
Preferably：
The PP priming paint includes the following raw material component：55~65 parts of chlorinated polypropylene modified acrylic acid resin, toluene 4~6
Part, 5~8 parts of methyl iso-butyl ketone (MIBK), 15~30 parts of color stuffing, 1~3 part of dispersant, 1~2 part of anti-settling agent, adhesion promoter
0.5~1 part；
The water-based ceramic coating in middle level includes the following raw material component：51~60 parts of modified acrylic acid emulsion, ceramic powder 10
~20 parts, 15~20 parts of water, 10~20 parts of mill base, 0.2~0.6 part of mineral oil antifoam agent, 0.2~0.5 part of dispersant, preservative
0.1~0.5 part, 0.1~0.5 part of pH value conditioning agent, coalescents 1.0-5.0；
The surface layer UV coating includes the following raw material component：It is 55~65 parts of epoxy modification acrylate oligomer, multifunctional
10~15 parts of activated monomer of group, 2.5~3 parts of light trigger, 10~20 parts of diluent, 0.5~1 part of organic silicon surfactant.
The water-based ceramic coating in this preferable scheme middle level and surface layer UV coating are also applied for the painting using EVA materials as ground
Material.
It is stated that, repeated no more wherein before PP priming paint and the water-based ceramic coating in middle level.
In preferable surface layer UV coating, epoxy modification acrylate oligomer is preferable photosensitive resin, is more suitable for EVA
Ground, the content of other components are selected on the basis of it.
Wherein, activated monomer is preferably polyfunctional group activated monomer, containing 3 or more than 3 to may participate in photocuring anti-
The active group answered, laser curing velocity is fast, and crosslink density is big, and the hardness of cured film is high, and fragility is big, and resistance is excellent.Due to phase
Big to molecular mass, viscosity is high, and dilution effect is relatively poor；Boiling point is high, and volatility is low, and shrinkage factor is big.Therefore in this application,
Polyfunctional group activated monomer is not intended to reduction system viscosity, but for accelerating curing rate, increase the hardness of dry film, improve
Its scratch resistance etc..
Preferred organic silicon surfactant in terms of auxiliary agent.Organic silicon surfactant is both dispersant (ammonium salt class dispersant)
But also as levelling agent (silicone levelling agent), it, which is removed, has conventional surfactants wetting, scattered, foaming, defoaming, anti-quiet
Outside the performance such as electricity, emulsification, infiltration, softness, lubrication, solubilising, also there is higher surface-active, easy spread, physiological inertia, resistance to
The features such as Hou Xing, heat-resisting quantity.
Diluent this area conventional thinner, is repeated no more.
A kind of spraying method of imitation porcelain coating, comprises the following steps：
1) PP priming paint, is integrally coated on prefabrication, middle level aqueous ceramic is coated on its surface after priming paint is dried
Coating, and to coating surface layer UV coating on its surface after the drying of the water-based ceramic coating in the middle level；
2), surface layer UV coating is dried.
The spraying method is simple and easy, easy to operation.Painting method can be spraying or brush.Should be according to the character of prefabrication
Or effect come determine spray one layer or multilayer, but it is fully hardened after film cannot repeat spray again.
The spraying method of imitation porcelain coating as described above, in step 1), the drying condition is：Under the conditions of 60~80 DEG C
Heat cure 15~25 minutes spontaneously dries more than 24 hours；
In step 2), the drying condition is：Levelling is heated 3~7 minutes with 55~65 DEG C to applied surface layer UV coating
Afterwards, then by the prefabrication of applied surface layer UV coating with 4~6m/min speed enter light source region, 6~10s of hardening time, add up
Radiate 400~900mj/cm2。
It should be noted that during normal temperature self-drying, should suitably be adjusted according to room temperature, such as summer from dry 24 hours, the winter
Then from dry more than 36 hours during 15 ± 5 DEG C of temperature of season, drying time is too short to influence adhesive force and easily cracking.
Compared with prior art, beneficial effects of the present invention are：
1), PP priming paint is due to the chemical constitution and PP material phases of its main component chlorinated polypropylene modified acrylic acid resin
Closely, so that it is preferably attached to PP surfaces, adhesive force is stronger, and pliability is better than plastic cement primer, in drop impact
It is not easy paint, and soaking-resistant.
2) it is, that there is higher hardness, weatherability resistance to ag(e)ing and ply adhesion the advantages of the water-based ceramic coating in middle level
It is stronger, while it is also equipped with other class ceramic characteristics.
3) ultraviolet curing process does not pollute in leaching brush paint used by, being essentially consisted in the advantages of surface layer UV coating, light
Quick resin is solvent-free, and organic volatile matter (VOC) is few, environment-friendly.Resin is mobility liquid, and storage is stable at room temperature,
It is easy to operate；Baking vanish drying time is shorter, if the solid machine can of light is gone over, therefore process velocity is faster.Glossiness is high, outside
See more full.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment
Condition person, the condition suggested according to normal condition or manufacturer are carried out.Agents useful for same or the unreceipted production firm person of instrument, it is
The conventional products that can be obtained by commercially available purchase.
Embodiment 1~3
The imitation porcelain 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) PP priming paint, is integrally coated on prefabrication, middle level aqueous ceramic is coated on its surface after priming paint is dried
Coating, and to coating surface layer UV coating on its surface after the drying of the water-based ceramic coating in the middle level；
The drying condition is：Heat cure 15~25 minutes or spontaneously dried more than 24 hours under the conditions of 60~80 DEG C；
2), surface layer UV coating is dried；
Drying condition is：To applied surface layer UV coating with 55~65 DEG C of heating levellings 3~7 minutes after, then by applied surface layer
The prefabrication of UV coating enters light source region with 4~6m/min speed, 6~10s of hardening time, adds up 400~900mj/ of radiation
cm2。
Embodiment 4~7
The imitation porcelain coating that the present embodiment provides, its material component is as shown in embodiment numbering 4~7 in table 1.
By the PP material flowerpots of injection, first flash is cleaned out with small blade, then with cleaning agent by the oil on flowerpot surface
Dirt is cleaned out.Then PP priming paint is sprayed, 5~10u of thickness, 60~70 DEG C is toasted, 20~25 minutes, next road is carried out after cooling
Process；
The middle painting water-based ceramic coating in middle level, by it in the form of vaporific, is equably sprayed on PP priming paint, then again with point
The form of shape, is scattered on the background color just sprayed, allows it to produce the effect of sagging naturally, spontaneously dries more than 24 hours；
One of UV finish paint is preferably sprayed above again, levelling is heated 3~7 minutes with 55~65 DEG C to applied surface layer UV coating
Afterwards, then by the prefabrication of applied surface layer UV coating with 4~6m/min speed enter light source region, 6~10s of hardening time, add up
Radiate 400~900mj/cm2。
Embodiment 8~11
The imitation porcelain coating that the present embodiment provides, its material component is as shown in embodiment numbering 8~11 in table 1.
By the PP material flowerpots of injection, first flash is cleaned out with small blade, then with cleaning agent by the oil on flowerpot surface
Dirt is cleaned out.Then manual brushing PP priming paint, 5~10u of thickness, 60~70 DEG C is toasted, 20~25 minutes, is carried out down after cooling
One procedure；
The middle painting water-based ceramic coating in middle level, by it in the form of vaporific, is equably sprayed on PP priming paint, then again with point
The form of shape, is scattered on the background color just sprayed, allows it to produce the effect of sagging naturally, and winter temperature is done naturally at 15 ± 5 DEG C
Dry 30~36 hours；
One of UV finish paint, 18 ± 2 μm of film thickness are preferably sprayed above again.To applied surface layer UV coating with 55~65 DEG C
Heat levelling after 5 minutes, then the prefabrication of applied surface layer UV coating is entered into light source region with 4~6m/min speed, during solidification
Between 5~7min, add up radiation 400~700mj/cm2。
Table 1-1 Porcelain-like paint formulas are illustrated
Table 1-2 Porcelain-like paint formulas are illustrated
Table 1-3 Porcelain-like paint formulas are illustrated
Although illustrate and describing the present invention with specific embodiment, but will be appreciated that without departing substantially from the present invention's
Many other change and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (3)
1. a kind of imitation porcelain coating, the coating includes PP priming paint, the water-based ceramic coating in middle level and surface layer UV coating, its feature and existed
In：
The PP priming paint includes the following raw material component：55~65 parts of chlorinated polypropylene modified acrylic acid resin, 4~6 parts of toluene, first
5~8 parts of base isobutyl ketone, 15~30 parts of color stuffing, 1~3 part of dispersant, 1~2 part of anti-settling agent, adhesion promoter 0.5~1
Part；
The water-based ceramic coating in middle level includes the following raw material component：51~60 parts of modified acrylic acid emulsion, ceramic powder 10~20
Part, 15~20 parts of water, 10~20 parts of mill base, 0.2~0.6 part of mineral oil antifoam agent, 0.2~0.5 part of dispersant, preservative 0.1
~0.5 part, 0.1~0.5 part of pH value regulator, coalescents 1.0-5.0；
The surface layer UV coating includes the following raw material component：30~40 parts of urethane acrylate, polyester acrylate 10~15
Part, 5~10 parts of epoxy acrylate, 8~15 parts of activated monomer, 2.5~4 parts of light trigger, 5~15 parts of butanone, organosilicon stream
Flat 0.5~2 part of agent, 5~15 parts of butyl acetate.
2. the spraying method of the imitation porcelain coating described in claim 1, it is characterised in that comprise the following steps：
1) PP priming paint, is integrally coated on prefabrication, the water-based ceramic coating in middle level is coated on its surface after priming paint is dried,
And coat surface layer UV coating on its surface after being dried to the water-based ceramic coating in the middle level；
2), surface layer UV coating is dried.
3. the spraying method of imitation porcelain coating as claimed in claim 2, it is characterised in that in step 1), the drying condition
For：Heat cure 15~25 minutes or spontaneously dried more than 24 hours under the conditions of 60~80 DEG C；
In step 2), the drying condition is：After levelling being heated to applied surface layer UV coating 3~7 minutes with 55~65 DEG C, then
The prefabrication of applied surface layer UV coating is entered into light source region with 4~6m/min speed, 6~10s of hardening time, adds up radiation
400~900mj/cm2。
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| CN105885581A (en) * | 2016-04-13 | 2016-08-24 | 王艺 | Flowerpot having ceramic-like effect and made with spraying technology |
| 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 |
| 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 |
| CN106833190B (en) * | 2017-01-10 | 2019-05-31 | 河北晨阳工贸集团有限公司 | Dedicated 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 |
| CN108864831B (en) * | 2018-06-15 | 2021-01-19 | 深圳砺剑博纳科技有限公司 | Water-based environment-friendly ceramic simulating coating and construction method thereof |
| CN109359498B (en) * | 2018-09-29 | 2022-04-22 | 东莞市科佳电路有限公司 | Method for storing bad board information by two-dimensional code |
| 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 |
| CN114773920B (en) * | 2022-04-25 | 2022-12-09 | 广东深展实业有限公司 | Photo-thermal dual-curing vacuum coating paint for polypropylene plastic and preparation method thereof |
| CN115260852B (en) * | 2022-07-22 | 2023-05-16 | 广东希贵光固化材料有限公司 | EB flame-retardant spraying varnish and preparation method thereof |
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