CN102181211A - One-component waterborne thermoplastic coating matched with UV-radiation curing coating as well as production method and construction method thereof - Google Patents
One-component waterborne thermoplastic coating matched with UV-radiation curing coating as well as production method and construction method thereof Download PDFInfo
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Abstract
The invention provides a one-component waterborne thermoplastic coating. The coating is applicable to coating ABS (acrylonitrile-butadiene-styrene), PS (polystyrene), HIPS (high impact polystyrene), PC (polycarbonate), PMMA (polymethyl methacrylate) and other types of plastic enclosures; and the coating has the advantages of good adaptability to material surfaces, good substrate adhesive force and good interlayer adhesive force, and solves difficulties such as adhesive force of the waterborne coating on the plastic substrate and a plurality of shrink holes on a UV-radiation curing finish paint matched with the waterborne coating. The coating mainly adopts a waterborne system and is safe for production and application; the coating takes water as a diluent, thus having the advantages of low toxicity, low pollution, extremely low emission of VOCs (volatile organic compounds) and the like and complying with various environmental protection laws and regulations; and meanwhile the coating can be colored with different color paste, thus providing better decorative property for the substrate without affecting the original performance. The invention further provides a production method and a construction method of the product; and the production method and the construction method are simple and convenient, and the adopted production and construction equipment is convenient to wash.
Description
Technical field
The present patent application relates to a kind of aqueous one-component thermoplastic plastic coating, and thermoplastic plastic's coating that especially a kind of and UV radiation curable coating is supporting and production thereof, constructional method belong to the chemistry painting industry technical field.
Technical background
The perfect ornamental and persistent protective value that coating possessed makes coatings industry develop by leaps and bounds; perfect day by day with the continuous reinforcement of environmental protection consciousness and legislations of environmental protection; people are to requirement on environmental protection and more and more higher to the understanding of coating pollution; various countries limit high your production of VOC coating products and use the height that has risen to laws and regulations for the quantity discharged of strictness control VOC.
In the tide of environment protection; the coating Water-borne modification is an important trend and approach; but because the surface tension of water and plastic cement is all bigger; the interface is difficult to wetting; so water-borne coatings is mainly used in metallic paint on the one hand at present; wall paint and wood lacquer, the coating that is applied to surface of plastic products on the other hand is mainly solvent-borne type, and water-borne coatings also only accounts for very little ratio.Because there is VOC content height in the solvent-borne type plastic paint, shortcoming big for environment pollution, used plastic rubber substrate mixes too many mouth of a river material in a lot of in addition manufacturer production, causes the sprayed surface solvent resistance poor especially.Therefore, the exploitation of water-based plastic coating is more apparent extremely important, because water-borne coatings has good performance and extensive applicability, will become the main product of coating industry.
Summary of the invention
The purpose of this invention is to provide a kind of aqueous one-component thermoplastic plastic coating, described coating is applicable to the decoration application of plastic rubber case different colours such as PS, HIPS, ABS, PMMA, the sticking power difficult point of water-borne coatings on plastic rubber substrate and many shrinkage cavities difficult point of the supporting UV radiation curing of water-borne coatings finish paint have been solved especially, can be widely used in household electrical appliance, electronic product, the application of the various plastic components in fields such as office equipment.
Another object of the present invention provides the production method and the constructional method of described aqueous one-component thermoplastic plastic coating.
Specifically, the supporting aqueous one-component thermoplastic plastic of the described a kind of UV radiation curable coating of the present patent application coating is characterized in that described coating comprises the various components of following weight part:
1, dispersion agent 1-6 part,
2, pigment 1-20 part,
3, water-soluble multifunctional auxiliary agent 0.1-0.5 part,
4, water insoluble defoamer 0.1-0.7 part,
5, alkali swelling type thickening material 0.5-2 part,
6, rust-preventive agent 0.1-0.3 part,
7, interface wetting agent 0.1-0.5 part,
8, water-soluble flow agent 0.1-0.5 part,
9, modified acrylic acid emulsion resin 30-60 part,
10, mixed solvent 28-62 part.
The supporting aqueous one-component thermoplastic plastic of described a kind of UV radiation curable coating coating can also comprise the water-soluble thickener of 0.1-0.4 part.
The supporting aqueous one-component thermoplastic plastic of described a kind of UV radiation curable coating coating can also comprise the mixture of the flatting silica of band hydrophilic radical of 1-5 part or wax powder or talcous one or both or three kinds.
The supporting aqueous one-component thermoplastic plastic of described a kind of UV radiation curable coating coating, described pigment comprises water-soluble pigment, titanium dioxide or carbon black.
The supporting aqueous one-component thermoplastic plastic of described a kind of UV radiation curable coating coating, the concentration of described modified acrylic acid emulsion resin solid content is 44-46%.
The supporting aqueous one-component thermoplastic plastic of described a kind of UV radiation curable coating coating, described mixed solvent comprises the various components of following weight part:
1, diethylene glycol ether 5-20 part,
2, dipropylene glycol methyl ether 15-30 part,
3, deionized water 50-75.
Described mixed solvent comprises that also weight part is the butyl carbitol of 1-10 part.
Dispersion agent is a kind of interfacial agent that has lipophilicity and two kinds of opposite nature of wetting ability at intramolecularly simultaneously, but homogeneous disperses those to be difficult to be dissolved in the solid particulate of inorganic, the pigment dyestuff of liquid, also can prevent simultaneously the sedimentation and the cohesion of solid particulate, form the stable required medicament of suspension.Dispersion agent generally is divided into inorganic dispersant and organic dispersing agent two big classes, and inorganic dispersant commonly used has silicates (for example water glass) and alkali metal phosphate class (for example tripoly phosphate sodium STPP, Sodium hexametaphosphate 99 and trisodium phosphate etc.); Organic dispersing agent comprises triethyl hexyl phosphoric acid, sodium lauryl sulphate, methyl amyl alcohol, derivatived cellulose, polyacrylamide, guar gum, fatty acid polyglycol ester etc.
Defoamer is meant the medicament with chemistry and the effect of interfacial chemistry froth breaking, as defoamer, low-carbon alcohol, mineral oil, polar organic compounds and silicone resin etc. is arranged.Its form has oil type, solution-type, emulsion-type, foam type,, voltinism strong as the equal tool froth breaking of defoamer power is stable, physiology inertia, heat-resisting, oxytolerant, gas against corrosion, molten, breathe freely, easily spread, easily permeate, be insoluble in antifoaming system and do not have characteristics such as physics and chemistry influences, the defoamer consumption is few, efficient, common mineral oil, non-silicone series and the silicone series of comprising.
In aqueous systems, after thickening material reached finite concentration, the oleophylic end group associated and forms micella; In the water base high molecular system, the main and polymer particle association of the lipophilic group of thickening material, the macromolecular compound of finishing thickening characteristic by this way is called water-based thickener.Common water-based thickener generally all is a macromolecular organic compound, nonpoisonous and tasteless and soda ash Fails To Respond.Comprise Xylo-Mucine, Polyanionic Cellulose, Vltra tears etc., other water-based thickeners also have polyvinyl alcohol, polyacrylamide etc.
Alkali swelling thickening material is divided into two classes: non-association type alkali swelling thickening material (ASE) and association type alkali swelling thickening material (HASE), they all are anionic thickeners, the ASE of non-association type is the saline and alkaline swelling type emulsion of polyacrylic acid, the ASE 60 of this class thickening material such as Rohm Haas company and the Viscalex HV-30 of Ciba company; Association type HASE is the saline and alkaline swelling type emulsion of the polyacrylic acid of hydrophobically modified, the SN636 of HASE thickening material such as Nopco company, Rohm; The TT-935 of Haas company etc., but this thickening material also has two classes that contain urethane and do not contain urethane.
Flow agent is a kind of coatings additive(s) commonly used, it can impel coating in the drying and forming-film process, form one smooth, smooth, film uniformly, the flow agent kind is a lot, the used flow agent kind of different coating also is not quite similar.Commonly used have polyacrylic, a cellaburate etc., and the polyacrylate(s) flow agent can be divided into virgin pp acid esters, modified polyacrylate (or with silicone amalgamation) again, the propylene soda acid holds resin etc.
Metal is a corrosive very easily running into moist gas or being dipped in the ortho-water, and the formation of moisture film is the prerequisite that metal produces atomospheric corrosion with keeping.But add a certain amount of water soluble anti-rust agent in water, this water is common water no longer just so, but has had the aqueous rust preventive of certain antirust function.
Water-based antirust agent is a kind of aqueous rustproof solution, can effectively protect materials such as steel, iron, prevents to get rusty, and water-based antirust agent is at present commonly used boron amide class and carboxylic acid amine.
The interface wetting agent is to make the easier material that is soaked in water of solid materials, by reducing its surface tension or interfacial tension, water can be deployed on the solid materials surface, or penetrate its surface, and wetting solid materials.Some tensio-active agents normally, as sulphonated oil, soap, Nekal BX etc., also available soybean lecithin, thio-alcohol, hydrazides class and mercaptan acetals etc.Wetting agent is used by ceramic industry just day by day, general general be a kind of polyoxyethylene alkanisation ethers (Poly-oxyethylene alkylate ether) with very high water-fast hardness, and sulphonated oil, soap etc. all have medium wettability, good detergent power and the tendency of solubilising.
Multifunctional assistant is the coatings additive(s) with multiple function, can significantly improve paint film property, because and because it makes colo(u)rant dispersion more abundant with the shared meeting of dispersion agent, thereby gloss of film is improved, secondly, the consumption of the dispersion agent isoreactivity material of system is reduced, can increase substantially paint film water tolerance, scrub resistance.Common multifunctional assistant comprises the lower molecular weight organic amine compound, mostly is commercially available.
Each component in the dispersion agent of the band hydrophilic radical that the present patent application is mentioned, pigment, water-soluble multifunctional auxiliary agent, water insoluble defoamer, alkali swelling type thickening material, rust-preventive agent, interface wetting agent, water-soluble flow agent, modified acrylic acid emulsion resin and the mixed solvent all is commercially available common product, its physico-chemical property is approximate, be chemistry painting industry field product commonly used, repeat no more here.
The present patent application also provides the production method of described coating, and described method comprises following step:
1. mixed solvent preparation: in proportion that solvent is evenly standby;
2. mill base preparation: after in proportion the mixed solvent of dispersion agent and 8-12 part being prepared in system lacquer cylinder, with the rotating speed of high speed dispersor with 600 commentaries on classics/per minutes, stirred 5-10 minute, and slowly add pigment in described ratio, add finish after, improve rotating speed to 1200 rpm, disperse after 20-40 minute, adopt sand mill to be ground to fineness and reach below 15 microns, standby;
3. auxiliary agent premix: in proportion mixed solvent of water-soluble multifunctional auxiliary agent, alkali swelling type thickening material, rust-preventive agent, interface wetting agent, water-soluble flow agent, 5-10 part and the water insoluble defoamer of 0.1-0.5 part are added in the system lacquer cylinder in proper order, and continue to stir 5-10 minute with 600 rpms rotating speed with high speed dispersor, standby;
4. resin extender dispersion: in proportion the modified acrylic acid emulsion resin is added in the system lacquer cylinder,, after adding finishes, improve rotating speed, stirred 10-15 minute to 1200-1500 rpm with the rotating speed stirring of 600 commentaries on classics/per minutes;
5. the standby auxiliary agent of above-mentioned preparation and mill base are dropped in the system lacquer cylinder in the step 4, and the mixed solvent that adds 5-15 part, stirred 10-15 minute with the rotating speed that 600-800 changes per minute with high speed dispersor;
6. the mixed solvent that adds 10-25 part of described ratio at last, the rotating speed that changes per minute with 600-800 stirs 5-10 minute to the homogeneous mixture, and regulating viscosity is 25 ± 3 seconds;
7. filter and package with double-deck 250 mesh filter screens.
The production method of described coating, the water insoluble defoamer that in step 1, can also add 0.1-0.2 part.
The production method of described coating, the water-soluble thickener that in step 1, can also add 0.1-0.4 part.
The production method of described coating can also slowly add the mixture of the flatting silica of band hydrophilic radical of 1-5 part or wax powder or talcous one or both or three kinds in step 4.
The present patent application also provides the constructional method of above-mentioned coating, comprises following step:
(1) ground pre-treatment:
Suitable ground of the present invention comprises plastic rubber substrates such as ABS, PS, HIPS, PC, PMMA; Dip in clean cotton before the spraying and get white spirit 6# or 120# and wipe pollutent on the ground, and electrostatic precipitation, standby;
(2) priming paint spraying:
At temperature 5-30 ℃, under the envrionment conditions of relative humidity 45-70%, adopt aerial spraying, air pressure 0.3-0.4Mpa adopts the gravity type boat davit spray gun, bore 1.5-1.8mm; Spray distance 15-20cm; The priming paint working viscosity adopts NK-2# to be measured as 25 ± 3s (25 ℃); Film thickness is 15-25 μ m; Wet film levelling time of repose 1-2min; Dry about 20min takes out under 55-65 ℃ of condition, and the room temperature actual effect is placed and carried out Performance Detection after 24h does solid work;
(3) UV radiation curable coating spraying:
(a) construction environment: temperature 5-30 ℃, relative humidity 45-75%;
(b) application mode: aerial spraying, can adopt hand spray or time variable control machine to spray automatically;
(c) device parameter: gravity type boat davit or suct the formula spray gun; Bore 1.0-1.5mm; Air pressure 0.3-0.4mPa; Spray distance 15-20cm;
(d) working viscosity: 8.5-9.5 second;
(e) solidifying the back film thickness is 20-30 μ m;
(f) flow time: room temperature 1-2 minute;
(g) preheating: 55-60 ℃, 3-5 minute;
(h) UV solidifies: adopting linear heat generation rate is the high voltage mercury lamp (10 of 80-120W/cm
5Pa), characteristic wavelength is at 250-410nm, with radiation dose 800-1200mJ/cm
2Dry solidification.
The described coating of the present patent application has following advantage:
1, mainly with water as dispersion agent or solvent, only adopt a small amount of hypotoxicity alcohol ethers organic solvent, has extremely low VOC discharging, organic volatile is less than 15%, and the organic volatile of conventional solvent type coating is more than 75%, 1. improve operating environmental condition, effectively avoided the workmen to contact high density poisonous and harmful organic solvent for a long time, reduced professional pathogenetic probability; Fire hazard when 2. having eliminated construction has reduced the pollution to environment, meets all kinds of enviromental protection law rules, can establish the environmental image of enterprise; 3. coating tool can also water cleans, and can significantly reduce the consumption of cleaning solvent, can economize on resources greatly, has 4. alleviated solvent in the coating greatly and the corrosion of plastic rubber substrate has been caused cracking in the construction, burns problem such as glue;
2, can be used for the application of plastic rubber case such as ABS, PS, HIPS, PC, PMMA, such as the application of various plastic components such as household electrical appliance, electronic product, office equipment, wide application of the present invention, the construction simple relatively, need not out rare accent viscosity can directly spray, reduce construction cost, economize on resources; Good to plastic rubber substrate surface adaptability, broken through the water-borne coatings technical bottleneck not good to the sticking power of plastic basis material; Good to UV radiation curing finish paint sticking power, levelling property is splendid, paint film various water-fast, high temperature resistant, performance brilliances such as heatproof degree impact; The present invention simultaneously can carry out painted with different mill bases, provides better decorate properties to ground when not influencing performance, so it can replace usual vehicle type thermoplastic propene acids coating, satisfies the requirement of most of plastics varieties to coating performance.
Embodiment
Below in conjunction with concrete embodiment; the described coating of the present patent application and production thereof and construction are described; be better to understand the described technology contents of the present patent application for the public; rather than to the restriction of described technical scheme; in fact; in spirit of the present invention; the improvement that the prescription of described coating is carried out; comprise increase and decrease and replacement to system component; and the variation of component content; with production method to described coating; the variation of processing step and condition and implementation condition all is that persons skilled in the art need not performing creative labour and can obtain, therefore all within the present patent application technical scheme required for protection.
Embodiment 1
Formulation for coating material one
Described coating adopts the component of following weight part:
1, dispersion agent is 4.5 parts,
2, water-soluble yellow ultramarine is 5 parts,
3, the water-soluble multifunctional auxiliary agent is 0.5 part,
4, water insoluble defoamer is 0.4 part,
5, alkali swelling type thickening material is 0.8 part,
6, rust-preventive agent is 0.3 part,
7, the interface wetting agent is 0.2 part,
8, water-soluble flow agent is 1.3 parts,
9, the modified acrylic acid emulsion resin of solid content 44% is 50 parts,
10, mixed solvent is 37 parts.
The prescription of mixed solvent following (weight part):
1, diethylene glycol ether is 8 parts,
2, dipropylene glycol methyl ether is 17 parts,
3, butyl carbitol is 5 parts,
4, deionized water is 65 parts.
Embodiment 2
Formulation for coating material two
Described coating adopts the component of following weight part:
1, dispersion agent is 1 part,
2, pigment is 1 part,
3, the water-soluble multifunctional auxiliary agent is 0.1 part,
4, water insoluble defoamer is 0.1 part,
5, alkali swelling type thickening material is 0.5 part,
6, rust-preventive agent is 0.1 part,
7, the interface wetting agent is 0.1 part,
8, water-soluble flow agent is 0.1 part,
9, the modified acrylic acid emulsion resin is 30 parts,
10, mixed solvent is 28 parts.
The prescription of mixed solvent following (weight part):
1, diethylene glycol ether is 5 parts,
2, dipropylene glycol methyl ether is 15 parts,
3, deionized water is 50 parts,
4, butyl carbitol is 1 part.
Embodiment 3
Formulation for coating material three
1, dispersion agent is 6 parts,
2, pigment is 20 parts,
3, the water-soluble multifunctional auxiliary agent is 0.5 part,
4, water insoluble defoamer is 0.7 part,
5, alkali swelling type thickening material is 2 parts,
6, rust-preventive agent is 0.3 part,
7, the interface wetting agent is 0.5 part,
8, water-soluble flow agent is 0.5 part,
9, the modified acrylic acid emulsion resin is 60 parts,
10, mixed solvent is 62 parts.
The prescription of mixed solvent following (weight part):
1, diethylene glycol ether is 20 parts,
2, dipropylene glycol methyl ether is 30 parts,
3, deionized water 75.
Embodiment 4
Formulation for coating material four
1, dispersion agent is 4 parts,
2, water insoluble defoamer is 0.2 part,
3, titanium dioxide is 16 parts,
4, the water-soluble multifunctional auxiliary agent is 0.3 part,
5, alkali swelling type thickening material is 1.5 parts,
6, rust-preventive agent is 0.2 part,
7, the interface wetting agent is 0.3 part,
8, water-soluble flow agent is 1 part,
9, the modified acrylic acid emulsion resin of solid content 45% is 38 parts,
10, band hydrophilic radical wax powder is 1 part,
11, mixed solvent is 44.5 parts.
The prescription of mixed solvent following (weight part):
1, diethylene glycol ether is 4 parts,
2, dipropylene glycol methyl ether is 22 parts,
3, butyl carbitol is 6 parts,
4, deionized water is 68 parts.
Embodiment 5
Formulation for coating material five
1, dispersion agent is 4 parts,
2, water-soluble red pigment is 3 parts,
3, water-soluble thickener is 0.4 part,
4, the water-soluble multifunctional auxiliary agent is 0.3 part,
5, water insoluble defoamer is 0.4 part,
6, alkali swelling type thickening material is 2 parts,
7, rust-preventive agent is 0.3 part,
8, the interface wetting agent is 0.2 part,
9, water-soluble flow agent is 1.2 parts,
10, the modified acrylic acid emulsion resin of solid content 46% is 40 parts,
11, the flatting silica of band hydrophilic radical and wax powder are 4 parts,
12, mixed solvent is 35.5 parts.
The prescription of mixed solvent following (weight part):
1, diethylene glycol ether is 8 parts,
2, dipropylene glycol methyl ether is 22 parts,
3, deionized water 70.
Embodiment 6
Formulation for coating material six
1, dispersion agent is 3 parts,
2, water insoluble defoamer is 0.3 part,
3, modified carbon black is 5 parts,
4, water-soluble thickener is 0.4 part,
5, the water-soluble multifunctional auxiliary agent is 0.2 part,
6, alkali swelling type thickening material is 1 part,
7, the interface wetting agent is 0.5 part,
8, water-soluble flow agent is 0.5 part,
9, the modified acrylic acid emulsion resin of solid content 45% is 50 parts,
10, flatting silica, the wax powder of band hydrophilic radical is 2 parts,
11, rust-preventive agent is 0.2 part,
12, mixed solvent is 36.9 parts.
The prescription of mixed solvent following (weight part):
1, diethylene glycol ether is 12 parts,
2, dipropylene glycol methyl ether is 28 parts,
3, deionized water 60.
Embodiment 7
Below with the production method that example illustrates the described coating of the present patent application that is prepared as of the coating among the embodiment 6, the preparation method of coating, step and condition are all similar among other embodiment, the difference part only is the components contents difference, need not to give unnecessary details.
The method of stating comprises following step:
1. mixed solvent preparation: mix diethylene glycol ether, dipropylene glycol methyl ether and deionized water standby in proportion;
2. mill base preparation: in proportion with the mixed solvent of 3 parts of dispersion agents, 0.1 part of water insoluble defoamer, 0.4 part of water-soluble thickener and 9 parts in system lacquer cylinder after the preparation, with the rotating speed of high speed dispersor with 600 commentaries on classics/per minutes, stirred 5-10 minute, and in 5 parts of modified carbon blacks of the slow adding of described ratio, add finish after, improve rotating speed to 1200 rpm, disperse after 20-40 minute, adopt sand mill to be ground to fineness and reach below 15 microns, standby;
3. auxiliary agent premix: in proportion 0.2 part of water-soluble multifunctional auxiliary agent, 0.2 part of water insoluble defoamer, 1 part of alkali swelling type thickening material, 0.2 part of rust-preventive agent, 0.5 part of interface wetting agent, 0.5 part of water-soluble flow agent, 7.9 parts mixed solvent are added in the system lacquer cylinder in proper order, and continue to stir 5-10 minute with 600 rpms rotating speed with high speed dispersor, standby;
4. resin extender disperses: the modified acrylic acid emulsion resin with 50 parts of solid contents 45% adds in the system lacquer cylinder in proportion, rotating speed with 600 commentaries on classics/per minutes stirs, and slowly add the 2 parts of band flatting silicas of hydrophilic radicals and the mixture of wax powder, after adding finishes, improve rotating speed to 1200-1500 rpm, stirred 10-15 minute;
5. the standby auxiliary agent of above-mentioned preparation and mill base are dropped in the system lacquer cylinder in the step 4, and add 8 parts mixed solvent, stirred 10-15 minute with the rotating speed that 600-800 changes per minute with high speed dispersor;
6. 12 parts the mixed solvent that adds described ratio at last, the rotating speed that changes per minute with 600-800 stirs 5-10 minute to the homogeneous mixture, and regulating viscosity is 25 ± 3 seconds;
7. filter and package with double-deck 250 mesh filter screens.
Embodiment 8
Water-based example constructional method:
Processing condition are as described below:
Aqueous priming paint
UV radiation curing finish paint
Through the HIPS of above-mentioned processing plastic rubber substrate, the paint film appearance levelling is splendid, and is bright in luster. and model is placed 24h and is done solid work the back test, and paint film satisfies following technological standard.
Embodiment 9
The product standard of described coating is as shown in the table
Claims (10)
1. the supporting aqueous one-component thermoplastic plastic of UV radiation curable coating coating is characterized in that described coating comprises the various components of following weight part:
1) dispersion agent 1-6 part,
2) pigment 1-20 part,
3) water-soluble multifunctional auxiliary agent 0.1-0.5 part,
4) water insoluble defoamer 0.1-0.7 part,
5) alkali swelling type thickening material 0.5-2 part,
6) rust-preventive agent 0.1-0.3 part,
7) interface wetting agent 0.1-0.5 part,
8) water-soluble flow agent 0.1-0.5 part,
9) modified acrylic acid emulsion resin 30-60 part,
10) mixed solvent 28-62 part.
2. the supporting aqueous one-component thermoplastic plastic of a kind of UV radiation curable coating according to claim 1 coating is characterized in that: described coating comprises that also the water-soluble thickener of 0.1-0.4 part is or/and the mixture of the flatting silica of the band hydrophilic radical of 1-5 part or wax powder or talcous one or both or three kinds.
3. the supporting aqueous one-component thermoplastic plastic of a kind of UV radiation curable coating according to claim 1 coating, it is characterized in that: described pigment comprises water-soluble pigment, titanium dioxide or carbon black; The concentration of described modified acrylic acid emulsion resin solid content is 44-46%.
4. the supporting aqueous one-component thermoplastic plastic of a kind of UV radiation curable coating according to claim 1 coating, it is characterized in that: described mixed solvent comprises the various components of following weight part:
1) diethylene glycol ether 5-20 part,
2) dipropylene glycol methyl ether 15-30 part,
3) deionized water 50-75 part.
5. the supporting aqueous one-component thermoplastic plastic of a kind of UV radiation curable coating according to claim 4 coating, it is characterized in that: described mixed solvent comprises that also weight part is the butyl carbitol of 1-10 part.
6. the production method of the described coating of claim 1, it is characterized in that: described method comprises following step:
1) mixed solvent preparation: in proportion that solvent is evenly standby;
2) mill base preparation: after in proportion the mixed solvent of dispersion agent and 8-12 part being prepared in system lacquer cylinder, with the rotating speed of high speed dispersor with 600 commentaries on classics/per minutes, stirred 5-10 minute, and slowly add pigment in described ratio, add finish after, improve rotating speed to 1200 rpm, disperse after 20-40 minute, adopt sand mill to be ground to fineness and reach below 15 microns, standby;
3) auxiliary agent premix: in proportion mixed solvent of water-soluble multifunctional auxiliary agent, alkali swelling type thickening material, rust-preventive agent, interface wetting agent, water-soluble flow agent, 5-10 part and the water insoluble defoamer of 0.1-0.5 part are added in the system lacquer cylinder in proper order, and continue to stir 5-10 minute with 600 rpms rotating speed with high speed dispersor, standby;
4) resin extender dispersion: in proportion the modified acrylic acid emulsion resin is added in the system lacquer cylinder,, after adding finishes, improve rotating speed, stirred 10-15 minute to 1200-1500 rpm with the rotating speed stirring of 600 commentaries on classics/per minutes;
5) the standby auxiliary agent of above-mentioned preparation and mill base are dropped in the system lacquer cylinder in the step 4, and the mixed solvent that adds 5-15 part, stirred 10-15 minute with the rotating speed that 600-800 changes per minute with high speed dispersor;
6) add the mixed solvent of 10-25 part of described ratio at last, the rotating speed that changes per minute with 600-800 stirs 5-10 minute to the homogeneous mixture, and regulating viscosity is 25 ± 3 seconds;
7) filter and package with double-deck 250 mesh filter screens.
7. according to the production method of the described coating of claim 6, it is characterized in that: described production method, the water insoluble defoamer that in step 1), can also add 0.1-0.2 part.
8. according to the production method of the described coating of claim 6, it is characterized in that: described production method, the water-soluble thickener that in step 1), can also add 0.1-0.4 part.
9. according to the production method of the described coating of claim 6, it is characterized in that: described production method can also slowly add the mixture of the flatting silica of band hydrophilic radical of 1-5 part or wax powder or talcous one or both or three kinds in step 4).
10. the described execution of coating method of claim 1, it is characterized in that: described method comprises following step:
(1) ground pre-treatment:
Suitable ground comprises ABS, PS, HIPS, PC or PMMA plastic rubber substrate; Dip in clean cotton before the spraying and get white spirit 6# or 120# and wipe pollutent on the ground, and electrostatic precipitation, standby;
(2) priming paint spraying:
At temperature 5-30 ℃, under the envrionment conditions of relative humidity 45-70%, adopt aerial spraying, air pressure 0.3-0.4Mpa adopts the gravity type boat davit spray gun, bore 1.5-1.8mm; Spray distance 15-20cm; The priming paint working viscosity adopts NK-2# to be measured as 25 ± 3s (25 ℃); Film thickness is 15-25 μ m; Wet film levelling time of repose 1-2min; Dry about 20min takes out under 55-65 ℃ of condition, and the room temperature actual effect is placed and carried out Performance Detection after 24h does solid work;
(3) UV radiation curable coating spraying:
(a) construction environment: temperature 5-30 ℃, relative humidity 45-75%;
(b) application mode: aerial spraying, can adopt hand spray or time variable control machine to spray automatically;
(c) device parameter: gravity type boat davit or suct the formula spray gun; Bore 1.0-1.5mm; Air pressure 0.3-0.4mPa; Spray distance 15-20cm;
(d) working viscosity: 8.5-9.5 second;
(e) solidifying the back film thickness is 20-30 μ m;
(f) flow time: room temperature 1-2 minute;
(g) preheating: 55-60 ℃, 3-5 minute;
(h) UV solidifies: adopting linear heat generation rate is the high voltage mercury lamp (10 of 80-120W/cm
5Pa), characteristic wavelength is at 250-410nm, with radiation dose 800-1200mJ/cm
2Dry solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110027321 CN102181211A (en) | 2011-01-25 | 2011-01-25 | One-component waterborne thermoplastic coating matched with UV-radiation curing coating as well as production method and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110027321 CN102181211A (en) | 2011-01-25 | 2011-01-25 | One-component waterborne thermoplastic coating matched with UV-radiation curing coating as well as production method and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102181211A true CN102181211A (en) | 2011-09-14 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829050A (en) * | 2011-09-27 | 2012-12-19 | 索尔思光电（成都）有限公司 | Method for improving alignment precision by using variable-power UV-curing adhesive |
| CN105838230A (en) * | 2016-04-29 | 2016-08-10 | 李强 | Waterborne polyurethane paint for woodware and preparation method thereof |
| CN106336751A (en) * | 2016-08-29 | 2017-01-18 | 广东花王涂料有限公司 | Preparation method of monocomponent thermoplastic acrylic flat finish paints |
| CN106366801A (en) * | 2016-08-29 | 2017-02-01 | 广东花王涂料有限公司 | One-component thermoplastic acrylic matte finish |
| CN106752519A (en) * | 2016-12-15 | 2017-05-31 | 苏州耐思特塑胶有限公司 | A kind of method produced for plastic rubber substrate paint and its application |
| CN107699077A (en) * | 2017-09-30 | 2018-02-16 | 江苏瑞腾涂装科技有限公司 | A kind of preparation method of painting dressing automobiles priming paint |
| CN109985789A (en) * | 2019-05-05 | 2019-07-09 | 四川龙华光电薄膜股份有限公司 | A kind of plastic hard-coating sheet material and preparation method of secondary curing |
| CN110204978A (en) * | 2019-05-24 | 2019-09-06 | 深圳市嘉卓成科技发展有限公司 | A kind of aqueous plastic coating and preparation method thereof and application method |
| WO2020046659A1 (en) * | 2018-08-29 | 2020-03-05 | Rockline Industries | Rapid dispersing wet wipe |
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| EP0598784A1 (en) * | 1991-08-12 | 1994-06-01 | Eastman Chemical Company | Aqueous coating composition |
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| CN101633817A (en) * | 2009-08-31 | 2010-01-27 | 徐继武 | Aqueous UV plastic coating |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829050A (en) * | 2011-09-27 | 2012-12-19 | 索尔思光电（成都）有限公司 | Method for improving alignment precision by using variable-power UV-curing adhesive |
| CN102829050B (en) * | 2011-09-27 | 2015-06-03 | 索尔思光电（成都）有限公司 | Method for improving alignment precision by using variable-power UV-curing adhesive |
| CN105838230A (en) * | 2016-04-29 | 2016-08-10 | 李强 | Waterborne polyurethane paint for woodware and preparation method thereof |
| CN106336751A (en) * | 2016-08-29 | 2017-01-18 | 广东花王涂料有限公司 | Preparation method of monocomponent thermoplastic acrylic flat finish paints |
| CN106366801A (en) * | 2016-08-29 | 2017-02-01 | 广东花王涂料有限公司 | One-component thermoplastic acrylic matte finish |
| CN106752519A (en) * | 2016-12-15 | 2017-05-31 | 苏州耐思特塑胶有限公司 | A kind of method produced for plastic rubber substrate paint and its application |
| CN107699077A (en) * | 2017-09-30 | 2018-02-16 | 江苏瑞腾涂装科技有限公司 | A kind of preparation method of painting dressing automobiles priming paint |
| WO2020046659A1 (en) * | 2018-08-29 | 2020-03-05 | Rockline Industries | Rapid dispersing wet wipe |
| US11492573B2 (en) | 2018-08-29 | 2022-11-08 | Rockline Industries, Inc. | Rapid dispersing wet wipe |
| CN109985789A (en) * | 2019-05-05 | 2019-07-09 | 四川龙华光电薄膜股份有限公司 | A kind of plastic hard-coating sheet material and preparation method of secondary curing |
| CN110204978A (en) * | 2019-05-24 | 2019-09-06 | 深圳市嘉卓成科技发展有限公司 | A kind of aqueous plastic coating and preparation method thereof and application method |
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Application publication date: 20110914 |