CN100540620C - UV radiation curable coating and production method, constructional method - Google Patents
UV radiation curable coating and production method, constructional method Download PDFInfo
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- CN100540620C CN100540620C CNB2008102182969A CN200810218296A CN100540620C CN 100540620 C CN100540620 C CN 100540620C CN B2008102182969 A CNB2008102182969 A CN B2008102182969A CN 200810218296 A CN200810218296 A CN 200810218296A CN 100540620 C CN100540620 C CN 100540620C
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Abstract
A kind of UV radiation curable coating and production method, constructional method, described UV radiation curable coating comprise priming paint, thinner and several parts compositions of the varnish that matches with priming paint.Described UV radiation curable coating is applicable to the UV coating on the complex construction HIPS plastic rubber case, and this coating can replace double-component polyurethane coating, enhancing productivity and to save the energy, and can reach the appearance effect of the high fullness ratio of high gloss; Its production method has produces simply, and its constructional method has and applies advantage easily.
Description
Technical field
The present invention relates to a kind of UV radiation curable coating and production method, constructional method; present method is particularly suitable for using in the big area plastic rubber case with complex construction such as televisor, air-conditioning, refrigerator, washing machine application; product has been broken through the simple application of UV coating on HIPS, PS plastic rubber substrate; simultaneously also go for using on ABS, the ABS+PC plastic rubber substrate; make the plastic rubber case after the application have the high fullness ratio appearance effect of high gloss, have excellent decoration and protectiveness.
Background technology
The shell of household appliances is a plastic rubber substrate, in order to reach light, mirror effect, behind application one deck background color (main black, silver color etc.), the transparent varnish of very popular cover one deck high gloss, dual-component polyurethane varnish is a kind of selection, thereby but be to shorten the application cycle as far as possible to enhance productivity as the requirement of application, also cut down the consumption of energy as much as possible, reduce production costs.
Summary of the invention
The object of the invention provides a kind of UV coating that is applicable on the complex construction HIPS plastic rubber case, and this coating can replace double-component polyurethane coating, enhancing productivity and to save the energy, and can reach the appearance effect of the high fullness ratio of high gloss.
The present invention also provides a kind of thinner that is used for above-mentioned coating.
The present invention also provides the method for a kind of UV of preparation radiation curable coating and thinner, and the method for using this coating.
The present invention can realize by following technical scheme:
A kind of UV radiation curable coating is provided, comprises the component of following weight percent:
(1), black primer or silver color priming paint;
Wherein: (11), black primer comprise
11A, solids content are 50% thermoplastic acrylic resin solution 9-18;
The high molecular block copolymerization liquid solution 1-2 of 11B, band pigment affinity groups;
11C, butyl glycol ether 5-7;
11D, glycol methyl ether acetate 5-7;
11E, butylacetate 2-3;
11F, carbon black 2.5-3.5;
11G, solids content are 50% thermoplastic acrylic resin solution 35-50;
11H, contain 15% cellulose acetate butyrate resin solution 10-25;
11I, vibrin 0.5-3;
11J, polyether siloxane copolymer 0.1-0.5
11K, aerosil 0-4;
11L, polytetrafluoroethylmodified modified polyethylene wax 0-1;
(12), silver color priming paint comprises
12A, solids content are 50% thermoplastic acrylic resin solution 55-65;
12B, contain 15% cellulose acetate butyrate mixed with resin solvent 15-25;
12C, vibrin 0.5-3;
12D, polytetrafluoroethylmodified modified polyethylene wax 0-1;
12E, contain the aluminium-silver slurry 5-9 of 60-70% aluminium silver powder;
12F, butylacetate 5-9;
(2), the priming paint thinner comprises
21, ethylene glycol monobutyl ether 8-15;
22, diacetone alcohol 5-10;
23, ethylene glycol monoethyl ether 5-15;
24, methyl iso-butyl ketone (MIBK) 5-15;
25, ethyl acetate 25-35;
26, Virahol 10-15;
27, isopropylcarbinol 10-15;
(3), UV radiation curing varnish comprises
31, tripropylene glycol diacrylate 20-25;
32, trimethylolpropane trimethacrylate 5-10;
33, polyurethane acrylate resin 5-10;
34, Epocryl 40-50;
35,1-hydroxyl-cyclohexyl-phenyl ketone 3-6;
36,2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide 0.5-1;
37, methylethylketone 5-10;
38, polyacrylate flow agent 0.5-1.5
39, polyether siloxane copolymer 1.0-2.0.
The present invention further provides a kind of mixed solvent that is used to prepare described solid thermoplastic acrylic resin solution and cellulose acetate butyrate resin solution, comprise the component of following weight percent:
(1) ethylene glycol monobutyl ether 10-15
(2) methyl iso-butyl ketone (MIBK) 10-15
(3) butylacetate 20-30
(4) methylethylketone 40-50.
The present invention also provides a kind of black primer method for preparing in the described high flow flat imitating steam mold UV radiation curable coating, comprises the steps:
(1), mill base is pre-dispersed:
With the solids content of black primer is 50% thermoplastic acrylic resin solution, high molecular block copolymerization liquid solution, butyl glycol ether, glycol methyl ether acetate and the butylacetate of band pigment affinity groups, after described ratio preparation, in high speed dispersor,, stirred 5-10 minute with rotating speed 800～1200rpm speed; Then,, slowly add carbon black in proportion with the speed of rotating speed 600rpm, add finish after, improve rotating speed again to 1200rpm, disperse 30 minutes standby;
(2), mill base grinds:
Premix slurry with above-mentioned the first step preparation adopts sand mill to be ground to fineness and is not more than 10 μ m;
(3), system lacquer:
To contain 35% solid thermoplastic acrylic resin solution, contain 30% vinylchlorid terpolymer resin lipoprotein solution, contain 15% cellulose acetate butyrate resin solution, vibrin and pimelinketone and mix according to the above ratio, in high speed dispersor with rotating speed 800～1200rpm speed, stir 5-10 minute standby;
Add aerosil and/or polytetrafluoroethylmodified modified polyethylene wax if desired, then need independent or mixing with both, stir slowly adding with the 600rpm rotating speed, after adding, the raising rotating speed is dispersed to fineness to 1200rpm and is not more than 15 μ m;
The liquid that system is joined in premix slurry that the above-mentioned the first step is made and the system lacquer step cooperates, adopt 300 mesh filter screens to filter after, packing promptly gets black primer.
The present invention also provides a kind of method for preparing silver color priming paint in the described high flow flat imitating steam mold UV radiation curable coating, comprises the steps:
(1), premix disperses:
Containing 35% solid thermoplastic acrylic resin solvent, contain 30% vinylchlorid terpolymer resin fatsolvent, contain 15% cellulose acetate butyrate mixed with resin solvent silver color priming paint; Vibrin and pimelinketone, after the preparation of described ratio, in high speed dispersor with rotating speed 800～1200rpm speed, stir 5-10 minute standby; Add polytetrafluoroethylmodified modified polyethylene wax if desired, then with the speed of rotating speed 600rpm, slowly add in proportion, after adding finishes, improve rotating speed again to 1200rpm, it is standby that fineness of dispersion is not more than 15 μ m;
(2), the silver slurry soaks and the system lacquer:
The aluminium-silver slurry and the butylacetate that will contain 60-70% aluminium silver powder mix according to the above ratio, soak after 20 minutes, in high speed dispersor, the rotating speed that is not more than 600rpm with rotating speed stirred 10 minutes, after fully disperseing, add in the prepared resin liquid of aforementioned the first step system, the rotating speed stirring that is not more than 600rpm with rotating speed got final product in 10 minutes, selected for use suitable order to count filter screen according to the median size of aluminium-silver slurry and filtered and packaged.
The bright method that also provides a kind of system to join the priming paint thinner in the described UV radiation curable coating of the present invention comprises the steps:
The priming paint thinner by after the described mixed, in high speed dispersor, was stirred 5-10 minute with the rotating speed of rotating speed 600rpm, filter and package with 500 mesh filter screens.
The present invention also provides a kind of method for preparing the varnish in the described UV radiation curable coating, comprises the steps:
(1), premix disperses
With described tripropylene glycol diacrylate, trimethylolpropane trimethacrylate, amino acrylates resin and Epocryl, after described ratio preparation, in high speed dispersor,, be stirred to homogenous fluid mixture with rotating speed 800～1200rpm speed;
(2), light trigger dissolving:
With 1-hydroxyl-cyclohexyl-phenyl ketone, 2,4,6 (trimethylbenzoyl) diphenyl phosphine oxides and methylethylketone are mixed in proportion, and in high speed dispersor, are stirred to dissolving fully with rotating speed 600rpm; Be added in the aforesaid liquid mixture, in high speed dispersor, stirred 10 minutes again with rotating speed 600rpm;
(3), leveling auxiliary agent adds:
Polyacrylate flow agent and polyether siloxane copolymer are mixed according to the above ratio, slowly join in the aforesaid liquid mixture with the stirring of 600rpm rotating speed, after adding, disperseed 10 minutes with rotating speed 600rpm, be not more than 15 μ m to fineness, filter and package with 500 mesh filter screens.
The present invention also provides a kind of method for preparing described mixed solvent, with the described component of claim 2, after being mixed in proportion, in high speed dispersor, gets final product in 5 minutes with rotating speed 600rpm stirring.
The present invention also provides a kind of constructional method of using described UV radiation curable coating, comprises the steps:
(1), spraying priming paint
(1), priming paint preparation:
With described black or silver color priming paint and described priming paint thinner in 1: the ratio of 1.2-1.5, stir evenly after the dilution, it is standby to filter the back with 250 mesh filter screens;
(2), substrate treatment:
Suitable ground is HIPS, PS, ABS or ABS+PC plastic bottom material; With any ground in the aforementioned ground, dip in clean cotton and to get 0-401 and smear shell water or industrial spirit and remove pollutent on the ground, and electrostatic precipitation is standby;
(3) spraying:
15～35 ℃ of temperature, under the envrionment conditions of relative humidity 45～70%RH, adopt aerial spraying, air pressure: 0.3～0.4Mpa; The priming paint working viscosity, adopt the measurement of NK-2# cup should be 8.50～9 seconds/15～35 ℃; The build of priming paint is 8-24 μ m; Wet film levelling time of repose: 3～5 minutes/15～35 ℃; Adopt 55～65 ℃ * 20～30 minutes dryings, can enter UV Lacquer finish operation after the room temperature cooling;
(2), spraying varnish
(1) undercoat is handled: dip in clean cotton and get 0-416 and smear shell water, remove the pollutent on the undercoat that the above-mentioned the first step was handled, dry up also electrostatic precipitation;
(2), spraying varnish
Under the condition of envrionment temperature identical and humidity with the above-mentioned the first step, adopt aerial spraying, air pressure is 0.3～0.4Mpa, the varnish working viscosity adopt the measurement of NK-2# cup should be 9～11 seconds/15～35 ℃; Build is 15-25 μ m, and the preheating flow time is 3～5 minutes/45～55 ℃; UV radiation curing condition is UV lamp and paint film distance 25～30cm, with UV radiation dose 800～1000mJ/cm
2Radiation curing, room-temperature aging place 24 hours real in.
The present invention has following advantage:
1. curing speed is fast.UV coating solidifies under ultraviolet photon irradiation, only needs about 10 seconds usually or shorter time, can carry out quick and continuous operation, enhances productivity greatly.
2. ambient cure.Oligopolymer commonly used in the UV coating, as resins such as epoxy acrylate, urethane acrylate, polyester acrylate, polyether acrylate, acroleic acid esterification polyacrylic resin and insatiable hunger polyester, and the simple function group of various acrylate or polyfunctional monomer, all can under the effect of ultraviolet photon, cause polymerized at room temperature and crosslinked, thereby be particularly conducive to covering with paint heat sensitive base material (as timber, paper and plastics) by free radical.
3. save energy.UV coating does not need heat drying, thereby can save the energy 75%～90% than the heated drying coating of routine when construction.
4. saving floor space.The various coating equipment compactnesses of UV coating do not need drying tunnel, and are simple and efficient to handle, are easy to realize the production automation, thereby save occupation area of equipment greatly, and dwindle working space.
5. free from environmental pollution.UV coating is a kind of solvent-free or solvent-free substantially coating, and VOC free evaporate in the atmosphere in the film process, and environment is not polluted, the environmental regulation of be content with very little government or legislative bodies.
6. lifting product performance.UV coating is at the crosslinking polymerization of realizing under the effect of ultraviolet photon between the component, with liquid fast setting film forming, and have tridimensional network, thereby the coating surface performance is improved, as hardness, snappiness, wear-resisting scratch-resisting, chemical proofing, high glossiness, wearing quality etc.UV coating is different from the conventional coating of using and mainly is: do soon, environmental protection, energy-conservation, high-quality.
Embodiment
1, black primer (kilogram)
Embodiment 1
11A, solids content are 50% thermoplastic acrylic resin solution 18;
The high molecular block copolymerization liquid solution 2 of 11B, band pigment affinity groups;
11C, butyl glycol ether 6.9;
11D, glycol methyl ether acetate 7;
11E, butylacetate 3;
11F, carbon black 2.5;
11G, solids content are 50% thermoplastic acrylic resin solution 50;
11H, contain 15% cellulose acetate butyrate resin solution 10;
11I, vibrin 0.5;
11J, polyether siloxane copolymer 0.1
Embodiment 2
11A, solids content are 50% thermoplastic acrylic resin solution 17;
The high molecular block copolymerization liquid solution 1 of 11B, band pigment affinity groups;
11C, butyl glycol ether 7;
11D, glycol methyl ether acetate 6;
11E, butylacetate 2;
11F, carbon black 2.8;
11G, solids content are 50% thermoplastic acrylic resin solution 50;
11H, contain 15% cellulose acetate butyrate resin solution 11;
11I, vibrin 1;
11J, polyether siloxane copolymer 0.2
11K, aerosil 1;
11L, polytetrafluoroethylmodified modified polyethylene wax 1.
Embodiment 3
11A, solids content are 50% thermoplastic acrylic resin solution 16;
The high molecular block copolymerization liquid solution 2 of 11B, band pigment affinity groups;
11C, butyl glycol ether 5;
11D, glycol methyl ether acetate 5;
11E, butylacetate 3;
11F, carbon black 3.5;
11G, solids content are 50% thermoplastic acrylic resin solution 48.7;
11H, contain 15% cellulose acetate butyrate resin solution 12;
11I, vibrin 1.5;
11J, polyether siloxane copolymer 0.3
11K, aerosil 2;
11L, polytetrafluoroethylmodified modified polyethylene wax 1.
Embodiment 4
11A, solids content are 50% thermoplastic acrylic resin solution 15;
The high molecular block copolymerization liquid solution 1 of 11B, band pigment affinity groups;
11C, butyl glycol ether 5;
11D, glycol methyl ether acetate 5;
11E, butylacetate 2;
11F, carbon black 3.5;
11G, solids content are 50% thermoplastic acrylic resin solution 49.6;
11H, contain 15% cellulose acetate butyrate resin solution 13;
11I, vibrin 2.5;
11J, polyether siloxane copolymer 0.4
11K, aerosil 3.
Embodiment 5
11A, solids content are 50% thermoplastic acrylic resin solution 14;
The high molecular block copolymerization liquid solution 1 of 11B, band pigment affinity groups;
11C, butyl glycol ether 6;
11D, glycol methyl ether acetate 6;
11E, butylacetate 2;
11F, carbon black 3;
11G, solids content are 50% thermoplastic acrylic resin solution 46.5;
11H, contain 15% cellulose acetate butyrate resin solution 14;
11I, vibrin 2;
11J, polyether siloxane copolymer 0.5
11K, aerosil 4;
11L, polytetrafluoroethylmodified modified polyethylene wax 1.
Embodiment 6
11A, solids content are 50% thermoplastic acrylic resin solution 13;
The high molecular block copolymerization liquid solution 2 of 11B, band pigment affinity groups;
11C, butyl glycol ether 7;
11D, glycol methyl ether acetate 7;
11E, butylacetate 3;
11F, carbon black 2.5;
11G, solids content are 50% thermoplastic acrylic resin solution 47.5;
11H, contain 15% cellulose acetate butyrate resin solution 15;
11I, vibrin 2.5;
11J, polyether siloxane copolymer 0.5.
Embodiment 7
11A, solids content are 50% thermoplastic acrylic resin solution 12;
The high molecular block copolymerization liquid solution 1 of 11B, band pigment affinity groups;
11C, butyl glycol ether 7;
11D, glycol methyl ether acetate 6;
11E, butylacetate 2;
11F, carbon black 2.5;
11G, solids content are 50% thermoplastic acrylic resin solution 49.6;
11H, contain 15% cellulose acetate butyrate resin solution 16;
11I, vibrin 1.5;
11J, polyether siloxane copolymer 0.4
11K, aerosil 1;
11L, polytetrafluoroethylmodified modified polyethylene wax 1.
Embodiment 8
11A, solids content are 50% thermoplastic acrylic resin solution 11;
The high molecular block copolymerization liquid solution 2 of 11B, band pigment affinity groups;
11C, butyl glycol ether 6;
11D, glycol methyl ether acetate 5;
11E, butylacetate 3;
11F, carbon black 3;
11G, solids content are 50% thermoplastic acrylic resin solution 47.7;
11H, contain 15% cellulose acetate butyrate resin solution 17;
11I, vibrin 3;
11J, polyether siloxane copolymer 0.3
11K, aerosil 2.
Embodiment 9
11A, solids content are 50% thermoplastic acrylic resin solution 10;
The high molecular block copolymerization liquid solution 2 of 11B, band pigment affinity groups;
11C, butyl glycol ether 5;
11D, glycol methyl ether acetate 7;
11E, butylacetate 3;
11F, carbon black 3.5;
11G, solids content are 50% thermoplastic acrylic resin solution 44.8;
11H, contain 15% cellulose acetate butyrate resin solution 18;
11I, vibrin 2.5;
11J, polyether siloxane copolymer 0.2
11K, aerosil 3;
11L, polytetrafluoroethylmodified modified polyethylene wax 1.
Embodiment 10
11A, solids content are 50% thermoplastic acrylic resin solution 9;
The high molecular block copolymerization liquid solution 1 of 11B, band pigment affinity groups;
11C, butyl glycol ether 7;
11D, glycol methyl ether acetate 7;
11E, butylacetate 2;
11F, carbon black 3.5;
11G, solids content are 50% thermoplastic acrylic resin solution 45.9;
11H, contain 15% cellulose acetate butyrate resin solution 19;
11I, vibrin 1.5;
11J, polyether siloxane copolymer 0.1
11K, aerosil 4.
Embodiment 11
11A, solids content are 50% thermoplastic acrylic resin solution 18;
The high molecular block copolymerization liquid solution 2 of 11B, band pigment affinity groups;
11C, butyl glycol ether 7;
11D, glycol methyl ether acetate 7;
11E, butylacetate 3;
11F, carbon black 3.5;
11G, solids content are 50% thermoplastic acrylic resin solution 35;
11H, contain 15% cellulose acetate butyrate resin solution 16.5;
11I, vibrin 2.5;
11J, polyether siloxane copolymer 0.5
11K, aerosil 4;
11L, polytetrafluoroethylmodified modified polyethylene wax 1.
Embodiment 12
11A, solids content are 50% thermoplastic acrylic resin solution 9;
The high molecular block copolymerization liquid solution 2 of 11B, band pigment affinity groups;
11C, butyl glycol ether 7;
11D, glycol methyl ether acetate 7;
11E, butylacetate 3;
11F, carbon black 3;
11G, solids content are 50% thermoplastic acrylic resin solution 40;
11H, contain 15% cellulose acetate butyrate resin solution 25;
11I, vibrin 2.5;
11J, polyether siloxane copolymer 0.5
11K, aerosil 1.
2, silver color priming paint (kilogram)
Embodiment 13
12A, solids content are 50% thermoplastic acrylic resin solution 58;
12B, contain 15% cellulose acetate butyrate mixed with resin solvent 25;
12C, vibrin 3;
12E, contain the aluminium-silver slurry 5 of 60-70% aluminium silver powder;
12F, butylacetate 9.
Embodiment 14
12A, solids content are 50% thermoplastic acrylic resin solution 58;
12B, contain 15% cellulose acetate butyrate mixed with resin solvent 24.5;
12C, vibrin 2.5;
12D, polytetrafluoroethylmodified modified polyethylene wax 1;
12E, contain the aluminium-silver slurry 6 of 60-70% aluminium silver powder;
12F, butylacetate 8.
Embodiment 15
12A, solids content are 50% thermoplastic acrylic resin solution 60;
12B, contain 15% cellulose acetate butyrate mixed with resin solvent 24;
12C, vibrin 2;
12E, contain the aluminium-silver slurry 7 of 60-70% aluminium silver powder;
12F, butylacetate 7.
Embodiment 16
12A, solids content are 50% thermoplastic acrylic resin solution 63;
12B, contain 15% cellulose acetate butyrate mixed with resin solvent 20.5;
12C, vibrin 1.5;
12D, polytetrafluoroethylmodified modified polyethylene wax 1;
12E, contain the aluminium-silver slurry 8 of 60-70% aluminium silver powder;
12F, butylacetate 6.
Embodiment 17
12A, solids content are 50% thermoplastic acrylic resin solution 65;
12B, contain 15% cellulose acetate butyrate mixed with resin solvent 20;
12C, vibrin 1;
12E, contain the aluminium-silver slurry 9 of 60-70% aluminium silver powder;
12F, butylacetate 5.
Embodiment 18
12A, solids content are 50% thermoplastic acrylic resin solution 65;
12B, contain 15% cellulose acetate butyrate mixed with resin solvent 15;
12C, vibrin 1;
12D, polytetrafluoroethylmodified modified polyethylene wax 1;
12E, contain the aluminium-silver slurry 9 of 60-70% aluminium silver powder;
12F, butylacetate 9.
Embodiment 19
12A, solids content are 50% thermoplastic acrylic resin solution 60;
12B, contain 15% cellulose acetate butyrate mixed with resin solvent 25;
12C, vibrin 0.5;
12E, contain the aluminium-silver slurry 7 of 60-70% aluminium silver powder;
12F, butylacetate 7.5.
3, priming paint thinner (kilogram)
Embodiment 20
21, ethylene glycol monobutyl ether 8;
22, diacetone alcohol 5;
23, ethylene glycol monoethyl ether 10;
24, methyl iso-butyl ketone (MIBK) 12;
25, ethyl acetate 35;
26, Virahol 15;
27, isopropylcarbinol 15.
Embodiment 21
21, ethylene glycol monobutyl ether 9;
22, diacetone alcohol 6;
23, ethylene glycol monoethyl ether 15;
24, methyl iso-butyl ketone (MIBK) 15;
25, ethyl acetate 35;
26, Virahol 10;
27, isopropylcarbinol 10.
Embodiment 22
21, ethylene glycol monobutyl ether 10;
22, diacetone alcohol 8;
23, ethylene glycol monoethyl ether 5;
24, methyl iso-butyl ketone (MIBK) 15;
25, ethyl acetate 33;
26, Virahol 15;
27, isopropylcarbinol 14.
Embodiment 23
21, ethylene glycol monobutyl ether 11;
22, diacetone alcohol 10;
23, ethylene glycol monoethyl ether 15;
24, methyl iso-butyl ketone (MIBK) 15;
25, ethyl acetate 32;
26, Virahol 10;
27, isopropylcarbinol 11.
Embodiment 24
21, ethylene glycol monobutyl ether 12;
22, diacetone alcohol 10;
23, ethylene glycol monoethyl ether 8;
24, methyl iso-butyl ketone (MIBK) 5;
25, ethyl acetate 35;
26, Virahol 15;
27, isopropylcarbinol 15.
Embodiment 25
21, ethylene glycol monobutyl ether 15;
22, diacetone alcohol 10;
23, ethylene glycol monoethyl ether 13;
24, methyl iso-butyl ketone (MIBK) 8;
25, ethyl acetate 24;
26, Virahol 15;
27, isopropylcarbinol 15.
4, UV radiation curing varnish (kilogram)
Embodiment 26
31, tripropylene glycol diacrylate 20;
32, trimethylolpropane trimethacrylate 5;
33, polyurethane acrylate resin 10;
34, Epocryl 50;
35,1-hydroxyl-cyclohexyl-phenyl ketone 3;
36,2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide 0.5;
37, methylethylketone 10;
38, polyacrylate flow agent 0.5
39, polyether siloxane copolymer 1.
Embodiment 27
31, tripropylene glycol diacrylate 21;
32, trimethylolpropane trimethacrylate 6;
33, polyurethane acrylate resin 9;
34, Epocryl 47;
35,1-hydroxyl-cyclohexyl-phenyl ketone 4;
36,2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide 1;
37, methylethylketone 9;
38, polyacrylate flow agent 1
39, polyether siloxane copolymer 2.
Embodiment 28
31, tripropylene glycol diacrylate 22;
32, trimethylolpropane trimethacrylate 7;
33, polyurethane acrylate resin 8;
34, Epocryl 47;
35,1-hydroxyl-cyclohexyl-phenyl ketone 5;
36,2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide 0.5;
37, methylethylketone 8;
38, polyacrylate flow agent 1.5
39, polyether siloxane copolymer 1.
Embodiment 29
31, tripropylene glycol diacrylate 23;
32, trimethylolpropane trimethacrylate 8;
33, polyurethane acrylate resin 7;
34, Epocryl 45;
35,1-hydroxyl-cyclohexyl-phenyl ketone 6;
36,2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide 1;
37, methylethylketone 7;
38, polyacrylate flow agent 1
39, polyether siloxane copolymer 2.
Embodiment 30
31, tripropylene glycol diacrylate 24;
32, trimethylolpropane trimethacrylate 9;
33, polyurethane acrylate resin 6;
34, Epocryl 49;
35,1-hydroxyl-cyclohexyl-phenyl ketone 3;
36,2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide 0.5;
37, methylethylketone 6;
38, polyacrylate flow agent 1.5
39, polyether siloxane copolymer 1.
Embodiment 31
31, tripropylene glycol diacrylate 25;
32, trimethylolpropane trimethacrylate 10;
33, polyurethane acrylate resin 10;
34, Epocryl 40;
35,1-hydroxyl-cyclohexyl-phenyl ketone 6;
36,2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide 1;
37, methylethylketone 5;
38, polyacrylate flow agent 1
39, polyether siloxane copolymer 2.
Embodiment 32
31, tripropylene glycol diacrylate 25;
32, trimethylolpropane trimethacrylate 10;
33, polyurethane acrylate resin 5;
34, Epocryl 43;
35,1-hydroxyl-cyclohexyl-phenyl ketone 6;
36,2,4,6 (trimethylbenzoyl) diphenyl phosphine oxide 1;
37, methylethylketone 7;
38, polyacrylate flow agent 1
39, polyether siloxane copolymer 2.
5, mixed solvent (kilogram)
Solid thermoplastic acrylic resin solution in above-mentioned black or the silver color priming paint and cellulose acetate butyrate resin solution are dissolved in the following mixed solvent in proportion to be made.As among the embodiment 1 contain 50% solid thermoplastic acrylic resin solution or 15% cellulose acetate butyrate resin solution toe is made in following mixed solvent with 50% solid thermoplastic acrylic resin or 15% cellulose acetate butyrate resin dissolves.
Embodiment 33
Ethylene glycol monobutyl ether 10
Methyl iso-butyl ketone (MIBK) 15
Butylacetate 25
Methylethylketone 50
Embodiment 34
Ethylene glycol monobutyl ether 13
Methyl iso-butyl ketone (MIBK) 12
Butylacetate 30
Methylethylketone 45.
Embodiment 35
Ethylene glycol monobutyl ether 15
Methyl iso-butyl ketone (MIBK) 15
Butylacetate 20
Methylethylketone 50
Embodiment 36
Ethylene glycol monobutyl ether 15
Methyl iso-butyl ketone (MIBK) 15
Butylacetate 30
Methylethylketone 40
Embodiment 37
Ethylene glycol monobutyl ether 15
Methyl iso-butyl ketone (MIBK) 10
Butylacetate 30
Methylethylketone 45
The preparation method of the mixed solvent of the various embodiments described above is: with each component described in the various embodiments described above, after being mixed in proportion, in high speed dispersor, got final product in 5 minutes with rotating speed 600rpm stirring.
The present invention prepares the black primer method in the described UV radiation curable coating, comprises the steps:
(1), mill base is pre-dispersed:
With the solids content among each embodiment of above-mentioned black primer is 50% thermoplastic acrylic resin solution, high molecular block copolymerization liquid solution, butyl glycol ether, glycol methyl ether acetate and the butylacetate of band pigment affinity groups, after described ratio preparation, in high speed dispersor,, stirred 5-10 minute with rotating speed 800～1200rpm speed; Then,, slowly add carbon black in proportion with the speed of rotating speed 600rpm, add finish after, improve rotating speed again to 1200rpm, disperse 30 minutes standby;
(2), mill base grinds:
Premix slurry with above-mentioned the first step preparation adopts sand mill to be ground to fineness and is not more than 10 μ m;
(3), system lacquer:
To contain 50% solid thermoplastic acrylic resin solution, contain 15% cellulose acetate butyrate resin solution, vibrin and polyether siloxane copolymer and mix according to the above ratio, in high speed dispersor with rotating speed 800～1200rpm speed, stir 5-10 minute standby;
Add aerosil and/or polytetrafluoroethylmodified modified polyethylene wax if desired, then need independent or mixing with both, stir the system of slowly joining with the 600rpm rotating speed and coat with lacquer in the made mixing solutions of step, after adding, the raising rotating speed is dispersed to fineness to 1200rpm and is not more than 15 μ m;
The mixing liquid that system is joined in premix slurry that the above-mentioned the first step is made and the system lacquer step lumps together, adopt 300 mesh filter screens to filter after, packing promptly gets black primer.
The present invention prepares the method for silver color priming paint in the described UV radiation curable coating, comprises the steps:
(1), premix disperses:
With containing 50% solid thermoplastic acrylic resin solvent, contain 15% cellulose acetate butyrate mixed with resin solvent and vibrin among above-mentioned each embodiment of silver color priming paint, after described ratio preparation, in high speed dispersor with rotating speed 800～1200rpm speed, stir 5-10 minute standby; Add polytetrafluoroethylmodified modified polyethylene wax if desired, then with the speed of rotating speed 600rpm, slowly add in proportion, after adding finishes, improve rotating speed again to 1200rpm, it is standby that fineness of dispersion is not more than 15 μ m;
(2), the silver slurry soaks and the system lacquer:
The aluminium-silver slurry and the butylacetate that will contain 60-70% aluminium silver powder mix according to the above ratio, soak after 20 minutes, in high speed dispersor, the rotating speed that is not more than 600rpm with rotating speed stirred 10 minutes, after fully disperseing, add in the prepared resin liquid of aforementioned the first step system, the rotating speed stirring that is not more than 600rpm with rotating speed got final product in 10 minutes, selected for use suitable order to count filter screen according to the median size of aluminium-silver slurry and filtered and packaged.
System of the present invention is joined the method for the priming paint thinner in the described UV radiation curable coating, comprises the steps:
With the priming paint thinner by the described mixed in the various embodiments described above after, in high speed dispersor, stirred 5-10 minute with the rotating speed of rotating speed 600rpm, filter and package with 500 mesh filter screens.
The present invention prepares the method for the UV radiation curing varnish in the described UV radiation curable coating, comprises the steps:
(1), premix disperses
With tripropylene glycol diacrylate, trimethylolpropane trimethacrylate, amino acrylates resin and the Epocryl described among above-mentioned each embodiment of UV radiation curing varnish, after described ratio preparation, in high speed dispersor,, be stirred to homogenous fluid mixture with rotating speed 800～1200rpm speed;
(2), light trigger dissolving:
With the 1-hydroxyl-cyclohexyl-phenyl ketone, 2,4 among each embodiment of UV radiation curing varnish, 6 (trimethylbenzoyl) diphenyl phosphine oxides and methylethylketone are mixed in proportion, and in high speed dispersor, are stirred to dissolving fully with rotating speed 600rpm; Be added in the aforesaid liquid mixture, in high speed dispersor, stirred 10 minutes again with rotating speed 600rpm;
(3), leveling auxiliary agent adds:
Polyacrylate flow agent and polyether siloxane copolymer among each embodiment of UV radiation curing varnish are mixed according to the above ratio, slowly join in the aforesaid liquid mixture with the stirring of 600rpm rotating speed, after adding, disperseed 10 minutes with rotating speed 600rpm, be not more than 15 μ m to fineness, filter and package with 500 mesh filter screens.
The constructional method of the described UV radiation curable coating of use provided by the invention comprises the steps:
(1), spraying priming paint
(1), priming paint preparation:
Described priming paint thinner in described black in the various embodiments described above or silver color priming paint and the various embodiments described above is chosen any one kind of them in 1: the ratio of 1.2-1.5, stir evenly after the dilution, standby after filtering with 250 mesh filter screens;
(2), substrate treatment:
It is HIPS, PS, ABS or ABS+PC plastic bottom material that the present invention is suitable for ground; With any ground in the aforementioned ground, dip in clean cotton and to get 0-401 and smear shell water (the good tall and erect development in science and technology in Shenzhen company limited makes) or industrial spirit and remove pollutent on the ground, and electrostatic precipitation is standby;
(3) spraying:
15～35 ℃ of temperature, under the envrionment conditions of relative humidity 45～70%RH, adopt aerial spraying, air pressure: 0.3～0.4Mpa; The priming paint working viscosity, adopt the measurement of NK-2# cup should be 8.50～9 seconds/15～35 ℃; The build of priming paint is 8-24 μ m; Wet film levelling time of repose: 3～5 minutes/15～35 ℃; Adopt 55～65 ℃ * 20～30 minutes dryings, can enter UV Lacquer finish operation after the room temperature cooling;
(2), spraying varnish
(1) undercoat is handled: dip in clean cotton and get 0-416 and smear shell water (the good tall and erect development in science and technology in Shenzhen company limited makes), remove the pollutent on the undercoat that the above-mentioned the first step was handled, dry up also electrostatic precipitation;
(2), spraying varnish
Under the condition of envrionment temperature identical and humidity with the above-mentioned the first step, adopt aerial spraying, air pressure is 0.3～0.4Mpa, the varnish working viscosity adopt the measurement of NK-2# cup should be 9～11 seconds/15～35 ℃; Build is 15-25 μ m, and the preheating flow time is 3～5 minutes/45～55 ℃; UV radiation curing condition is UV lamp and paint film distance 25～30cm, with UV radiation dose 800～1000mJ/cm
2Radiation curing, room-temperature aging are placed and were done solid work in 24 hours.
Surface through HIPS, PS, ABS or the ABS+PC plastic bottom material of above-mentioned processing can reach high-light no-trace injection moulding effect, is widely used in the processing to plastic casings such as televisors.
English abbreviation herein " UV " is the meaning of Chinese " ultraviolet ray ".
Claims (7)
1, a kind of UV radiation curable coating is characterized in that, comprises the component of following weight percent:
(1), black primer or silver color priming paint;
Wherein: (11), black primer comprise
11A, solids content are 50% thermoplastic acrylic resin solution 9-18;
The high molecular block copolymerization liquid solution 1-2 of 11B, band pigment affinity groups;
11C, butyl glycol ether 5-7;
11D, glycol methyl ether acetate 5-7;
11E, butylacetate 2-3;
11F, carbon black 2.5-3.5;
11G, solids content are 50% thermoplastic acrylic resin solution 35-50;
11H, contain 15% cellulose acetate butyrate resin solution 10-25;
11I, vibrin 0.5-3;
11J, polyether siloxane copolymer 0.1-0.5
11K, aerosil 0-4;
11L, polytetrafluoroethylmodified modified polyethylene wax 0-1;
(12), silver color priming paint comprises
12A, solids content are 50% thermoplastic acrylic resin solution 55-65;
12B, contain 15% cellulose acetate butyrate mixed with resin solvent 15-25;
12C, vibrin 0.5-3;
12D, polytetrafluoroethylmodified modified polyethylene wax 0-1;
12E, contain the aluminium-silver slurry 5-9 of 60-70% aluminium silver powder;
12F, butylacetate 5-9;
(2), the priming paint thinner comprises
21, ethylene glycol monobutyl ether 8-15;
22, diacetone alcohol 5-10;
23, ethylene glycol monoethyl ether 5-15;
24, methyl iso-butyl ketone (MIBK) 5-15;
25, ethyl acetate 25-35;
26, Virahol 10-15;
27, isopropylcarbinol 10-15;
(3), UV radiation curing varnish comprises
31, tripropylene glycol diacrylate 20-25;
32, trimethylolpropane trimethacrylate 5-10;
33, polyurethane acrylate resin 5-10;
34, Epocryl 40-50;
35,1-hydroxyl-cyclohexyl-phenyl ketone 3-6;
36,2,4,6-trimethylbenzoyl diphenyl phosphine oxide 0.5-1;
37, methylethylketone 5-10;
38, polyacrylate flow agent 0.5-1.5
39, polyether siloxane copolymer 1.0-2.0.
2, the described UV radiation curable coating of a kind of claim 1 is characterized in that, the mixed solvent of cellulose acetate butyrate resin solution wherein comprises the component of following weight percent:
(1) ethylene glycol monobutyl ether 10-15
(2) methyl iso-butyl ketone (MIBK) 10-15
(3) butylacetate 20-30
(4) methylethylketone 40-50.
3, a kind of black primer method for preparing in the described UV radiation curable coating of claim 1 is characterized in that, comprises the steps:
(1), mill base is pre-dispersed:
With the solids content of black primer in the claim 1 is 50% thermoplastic acrylic resin solution, high molecular block copolymerization liquid solution, butyl glycol ether, glycol methyl ether acetate and the butylacetate of band pigment affinity groups, after described ratio preparation, in high speed dispersor,, stirred 5-10 minute with rotating speed 800～1200rpm speed; Then,, slowly add carbon black in proportion with the speed of rotating speed 600rpm, add finish after, improve rotating speed again to 1200rpm, disperse 30 minutes standby;
(2), mill base grinds:
Premix slurry with above-mentioned the first step preparation adopts sand mill to be ground to fineness and is not more than 15 μ m;
(3), system lacquer:
Solids content is 50% thermoplastic acrylic resin solution, contains 15% cellulose acetate butyrate resin solution, vibrin, polyether siloxane copolymer by the described mixed of claim 1, in high speed dispersor with rotating speed 800～1200rpm speed, stir 5-10 minute standby;
Add aerosil and/or polytetrafluoroethylmodified modified polyethylene wax if desired, then need independent or mixing with both, stir slowly adding with the 600rpm rotating speed, after adding, the raising rotating speed is dispersed to fineness to 1200rpm and is not more than 15 μ m;
The liquid that system is joined in premix slurry that the above-mentioned the first step is made and the system lacquer step cooperates, adopt 300 mesh filter screens to filter after, packing promptly gets black primer.
4, a kind of method for preparing silver color priming paint in the described UV radiation curable coating of claim 1 is characterized in that, comprises the steps:
(1), premix disperses:
The solids content of silver color priming paint in the claim 1 is 50% thermoplastic acrylic resin solution, contains 15% cellulose acetate butyrate mixed with resin solvent, vibrin, after described ratio preparation, in high speed dispersor with rotating speed 800～1200rpm speed, stir 5-10 minute standby; Add polytetrafluoroethylmodified modified polyethylene wax if desired, then with the speed of rotating speed 600rpm, slowly add in proportion, after adding finishes, improve rotating speed again to 1200rpm, it is standby that fineness of dispersion is not more than 15 μ m;
(2), the silver slurry soaks and the system lacquer:
To contain the aluminium-silver slurry of 60-70% aluminium silver powder and butylacetate by the described mixed of claim 1, soak after 20 minutes, in high speed dispersor, the rotating speed that is not more than 600rpm with rotating speed stirred 10 minutes, after fully disperseing, add in the prepared resin liquid of aforementioned the first step system, the rotating speed stirring that is not more than 600rpm with rotating speed got final product in 10 minutes, selected for use suitable order to count filter screen according to the median size of aluminium-silver slurry and filtered and packaged.
5, a kind of system is joined the method for the priming paint thinner in the described UV radiation curable coating of claim 1, it is characterized in that, comprises the steps:
The each component of priming paint thinner by after the described mixed of claim 1, in high speed dispersor, was stirred 5-10 minute with the rotating speed of rotating speed 600rpm, filter and package with 500 mesh filter screens.
6, a kind of method for preparing the UV radiation curing varnish in the described UV radiation curable coating of claim 1 is characterized in that, comprises the steps:
(1), premix disperses
With the tripropylene glycol diacrylate described in the claim 1, trimethylolpropane trimethacrylate, polyurethane acrylate resin and Epocryl, after described ratio preparation, in high speed dispersor,, be stirred to homogenous fluid mixture with rotating speed 800～1200rpm speed;
(2), light trigger dissolving:
With 1-hydroxyl-cyclohexyl-phenyl ketone, 2,4,6 (trimethylbenzoyl) diphenyl phosphine oxides and methylethylketone are mixed in proportion, and in high speed dispersor, are stirred to dissolving fully with rotating speed 600rpm; Be added in the aforesaid liquid mixture, in high speed dispersor, stirred 10 minutes again with rotating speed 600rpm;
(3), leveling auxiliary agent adds:
Polyacrylate flow agent and polyether siloxane copolymer are pressed the described mixed of claim 1, slowly join in the aforesaid liquid mixture with the stirring of 600rpm rotating speed, after adding, disperseed 10 minutes with rotating speed 600rpm, be not more than 5 μ m to fineness, filter and package with 500 mesh filter screens.
7, a kind of constructional method of using the described UV radiation curable coating of claim 1 is characterized in that, comprises the steps:
(1), spraying priming paint
(1), priming paint preparation:
With the described black of claim 1 or silver color priming paint and the described priming paint thinner of claim 1 in 1: the ratio of 1.2-1.5, stir evenly after the dilution, it is standby to filter the back with 250 mesh filter screens;
(2), substrate treatment:
Suitable ground is HIPS, PS, ABS or ABS+PC plastic bottom material; With any ground in the aforementioned ground, dip in clean cotton and to get normal hexane or industrial spirit and remove pollutent on the ground, and electrostatic precipitation is standby;
(3) spraying:
15～35 ℃ of temperature, under the envrionment conditions of relative humidity 45～70%RH, adopt aerial spraying, air pressure: 0.3～0.4MPa; The priming paint working viscosity, adopt the measurement of NK-2# cup should be 9～11 seconds/15～35 ℃; The build of priming paint is 8-24 μ m; Wet film levelling time of repose: 3～5 minutes/15～35 ℃; Adopt 55～65 ℃ * 20～30 minutes dryings, can enter UV Lacquer finish operation after the room temperature cooling;
(2), spraying varnish
(1) undercoat is handled: dip in clean cotton and get the 6# white spirit, remove the pollutent on the undercoat that the above-mentioned the first step was handled, dry up and electrostatic precipitation;
(2), spraying varnish
Under the condition of envrionment temperature identical and humidity with the above-mentioned the first step, adopt aerial spraying, air pressure is 0.3～0.4MPa, the varnish working viscosity adopt the measurement of NK-2# cup should be 9～11 seconds/15～35 ℃; Build is 15-25 μ m, and the preheating flow time is 3～5 minutes/45～55 ℃; UV radiation curing condition is UV lamp and paint film distance 25～30cm, with UV radiation dose 800～1000mJ/cm
2Radiation curing, room-temperature aging are placed and were done solid work in 24 hours.
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| CNB2008102182969A CN100540620C (en) | 2008-12-10 | 2008-12-10 | UV radiation curable coating and production method, constructional method |
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| CN100540620C true CN100540620C (en) | 2009-09-16 |
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| CN101643623B (en) * | 2009-07-08 | 2011-02-02 | 东莞嘉卓成化工科技有限公司 | Double curing coating applied to substrates with difficulty in coating and preparation method thereof |
| CN102464938B (en) * | 2010-11-16 | 2016-03-16 | 深圳市嘉卓成科技发展有限公司 | Plastic cement list is coated with painted UV radiation curable coating and production thereof, using method |
| CN102408826B (en) * | 2011-06-30 | 2013-04-24 | 昆山市万胜化工有限公司 | American type water-based coating finish paint and preparation method thereof |
| CN103351802A (en) * | 2013-06-18 | 2013-10-16 | 苏州皇冠涂料科技发展有限公司 | Ultraviolet light curing colored paint |
| CN103571324B (en) * | 2013-09-30 | 2015-12-09 | 张翔宇 | A kind of colored UV photo-cured coating and preparation method thereof |
| CN103756407A (en) * | 2014-01-09 | 2014-04-30 | 叶传禄 | Novel printing ink formula and preparation technology of printing ink |
| CN104927549A (en) * | 2015-06-02 | 2015-09-23 | 清远雅克化工有限公司 | Coating with electroplating appearance effect as well as preparation method and construction process for coating |
| CN105754130A (en) * | 2016-04-14 | 2016-07-13 | 广西柳州中嘉知识产权服务有限公司 | Plastic surface hardening treatment method |
| CN111349354A (en) * | 2020-04-17 | 2020-06-30 | 安徽赛尔新材料科技有限公司 | UV mirror surface silver coating of solvent-free photocuring |
| CN115093731B (en) * | 2022-04-11 | 2023-06-30 | 广东电网有限责任公司 | Fading-preventing fuzzy treatment preparation and fading-preventing treatment method for power grid signboard |
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