CN102464938A - Plastic single-coating coloring UV (Ultraviolet) radiation cured paint and production and use methods thereof - Google Patents
Plastic single-coating coloring UV (Ultraviolet) radiation cured paint and production and use methods thereof Download PDFInfo
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Abstract
The invention provides plastic single-coating coloring UV (Ultraviolet) radiation cured paint and production and use methods thereof. The plastic single-coating coloring UV radiation cured paint is widely applied to coating of HIPS (High Impact Polystyrene), PS (Polystyrene), ABS (Acrylonitrile Butadiene Styrene), PMMA (Polymethyl Methacrylate) and other plastic enclosures and dispenses with spray coating of priming paint in advance, and a coloring pigment is directly added in the UV radiation cured paint; the plastic single-coating coloring UV radiation cured paint can be favorably adhered to a substrate, has a favorable adhesion force to the substrate and has the advantages of high fullness, high gloss, high abrasive resistance, high hardness, low VOC (Volatile Organic Compounds), low odor and the like; meanwhile, the paint disclosed by the invention can be used for coloring by selecting different pigments, dyes and color paste according to different colors of the substrates, so that a better decoration performance is achieved for the substrate while the performances are not influences. The invention further provides a production method and a use method of the product of the plastic single-coating coloring UV radiation cured paint, the production method is simple and convenient, a coating process is simple, and a wide application prospect is obtained.
Description
Technical field
The present invention relates to a kind of plastic cement list and be coated with painted UV radiation curable coating and production thereof, method of use, belong to the chemistry painting industry technical field.
Background technology
PS is called for short PS, is a kind of water white thermoplastics.General formula is [(CH2CHC6H5) n].Have and be higher than 100 ℃ glass transition temp, therefore often be used to make the one-trip container that various needs bear the boiling water temperature.The ordinary polystyrene resin is nontoxic, odorless, colourless transparent grain; Like glassy hard brittle material; Its goods have high transparency, and transmittance can reach more than 90%, and have that electrical insulation capability is good, advantage such as easy coloring, processing fluidity are good, good rigidly and chemical resistance are good.
ABS is vinyl cyanide, divinyl and cinnamic terpolymer, and A represents vinyl cyanide, and B represents divinyl, and S represents vinylbenzene, is that current production rate is maximum, most widely used polymkeric substance.ABS resin is one of five big synthetic resins; Its shock resistance, thermotolerance, lower temperature resistance, chemical proofing and excellent electrical properties; Also have the characteristics such as processing, product size is stable, surface luster property is good that are prone to, easy application, painted can also be carried out surperficial spraymetal, plating, welding, hot pressing and secondary processing such as bonding; Being widely used in industrial circles such as machinery, automobile, electronic apparatus, instrument, weaving and building, is the extremely wide thermoplastic engineering plastic of a kind of purposes.
High impact polystyrene (HIPS) is to gather a kind of shock proof polystyrene products that butyl rubber particulate way is produced through in PS, adding.This polystyrene products can add the micron order rubber grain and the way through scion grafting links together PS and rubber grain.When receiving when impacting, the point stresses of crack propagation can be discharged by softish rubber grain relatively.Therefore the expansion of crackle is hindered, and shock resistance is improved.
In the coating material production process, colo(u)rant dispersion is a very main production link, and it is directly connected to the storage of coating, construction, and the performances of outward appearance and paint film etc. are exactly a very important production link so reasonably select dispersion agent.But being coated with slurry body dispersive quality not only has the formulation of relation and formulation for coating material and the selection of raw material that relation is all arranged with dispersion agent.Dispersion agent turns round and look at name to be conceived, and reasonably is dispersed in various powders in the solvent exactly, through certain electrical charge rejection principle or polymer steric effect, various solids very stably is suspended in the solvent (or dispersion liquid).
Because characteristics such as processability are good, outward appearance is beautiful, comprehensive mechanical property is good, the two has dominated electrical equipment plastic casing market PS and the ABS that is come by its modification.From cost consideration, PS is accepted by producer than ABS more easily, but simple PS big because of its fragility, be prone to shortcoming such as cracked, poor heat resistance, application is restricted.Obtain HIPS with the rubber polymer MPS, promptly high impact polystyrene is able to widespread use owing to solved above-mentioned shortcoming at appliance shell, and has replaced ABS more and more, and this material mainly is to be applied to housing of TV set.
Photo-cured coating is claimed photoactive coating again, is the paint solidification energy with the UV-light, claims ultraviolet-curing paint again; Need not heat; Can be on inflammable grounds such as paper, plastics, leather and timber film-forming rapidly, mainly form by photosensitive resin, photosensitizers (light trigger) and thinner, add some additives simultaneously; Like thermo-stabilizer, add pigment and filler during the preparation colored paint.Traditional paint solidification is that the method for physical dryness is removed the solvent in the macromolecular solution through heating normally, obtains the hardened paint film.UV solidify then be utilize the energy of UV-light cause in the coating low molecule performed polymer or oligomer and as polymerization between the monomer molecule of reactive thinner and crosslinking reaction, obtain the paint film that hardens, come down to realize chemical seasoning through forming chemical bond.The coating material solidified advantage of UV: save the energy, capacity usage ratio is high; Solvent-free discharging, safety non-pollution; Curing speed is fast, and production efficiency is high; But application is to heat sensitive base material, and film quality is high, coating performance is excellent.
Compare with traditional coating, photo-cured coating is all having bigger meliority aspect physical and chemical performance and the decorate properties, and especially production efficiency significantly improves, and has been widely used in large-scale workpiece ready coatings such as colour TV, air-conditioning at present.Yet because polymeric resin is to PS, HIPS poor adhesive force mostly, PS class plastics are to reasons such as solvent sensitivities, and the current generation, most of producers made one deck single component tradition priming paint earlier, covered the UV gloss oil then.Also there is producer to attempt exploitation and is painted on the UV coating on the material; But the sticking power to material is a big problem; Also to consider the influence of additive color simultaneously to system drying property and appearance of film; And each producer of HIPS plastic basis material of Chinese market is owing to reasons such as filler also have nothing in common with each other, thus current on HIPS directly the UV spraying suitable difficulty is still arranged.
Summary of the invention
The present invention promptly is at present in the existing above-mentioned weak point of technical field of coatings, provides a kind of plastic cement list to be coated with painted UV radiation curable coating and production thereof, method of use.The present invention is specially adapted to the disposable Lacquer finish application of HIPS (because of cost hangs down at the level of application of big household electrical appliances plastic casing the most extensive), PS, ABS, acrylic plastic rubber case different colours such as (PMMA); Solved the difficult point of UV coating especially at HIPS plastic cement sticking power, can be adaptable across the application of the various plastic components in household electrical appliance, office equipment and vehicular traffic are made.
Specifically, a kind of plastic cement list of the present invention is coated with painted UV radiation curable coating, and it is characterized in that: described coating comprises following composition, and its weight percentage is:
1) by one or more mixed solvent 20-42% that form of methylethylketone, butylacetate, propyl carbinol and Virahol;
2) the two aliphatic urethane acrylate resin 5-10% of functional group;
3) dispersion agent 0-3%;
4) cellulose acetate butyrate resin 1-2%;
5) six functional groups aliphatic urethane acrylate resin 15-22%;
6) tripropylene glycol diacrylate 10-22%;
7) trimethylolpropane trimethacrylate 5-10%;
8) polyacrylate solution 1-3%;
9) polyether-modified YSR 3286 1-2%;
10) 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 1-2%;
11) 1-hydroxyl-cyclohexyl-phenyl ketone 2-6%.
Described plastic cement list is coated with painted UV radiation curable coating, it is characterized in that: comprise also in the said coating that weight percentage is at the pigment below 6%.
Described plastic cement list is coated with painted UV radiation curable coating, it is characterized in that: described pigment comprises pigment dyestuff, dyestuff, white titanium pigment or carbon black.
Described plastic cement list is coated with painted UV radiation curable coating, it is characterized in that: described dispersion agent is the dispersion agent of the HMW block copolymerization liquid solution of band pigment affinity groups.
Described plastic cement list is coated with painted UV radiation curable coating, it is characterized in that: the dispersion agent of the HMW block copolymerization liquid solution of described band pigment affinity groups comprises BYK-190, BYK-180, BYK-110 or BYK-163.
Described plastic cement list is coated with the working method of painted UV radiation curable coating (Clear paint), it is characterized in that, described method comprises the steps:
1) mixed solvent preparation: mix in proportion one or more of methylethylketone, butylacetate, propyl carbinol and Virahol subsequent use;
2) transparency dye mill base preparation: need not to add dispersion agent and two functional group's aliphatic urethane acrylate resins; Only adopt the mixed solvent dissolving to get final product fully; Wherein two functional group's aliphatic urethane acrylate resins add in the mixed with resin dispersion step, and are subsequent use;
3) solid resin cellulose acetate butyrate resin dissolves: cellulose acetate butyrate resin and mixed solvent with the speed of high speed dispersor with 800～1200 rev/mins of rotating speeds, are stirred 15-20 minute to dissolving fully, subsequent use;
4) resin monomer blending dispersion: get clean system lacquer cylinder six functional groups aliphatic urethane acrylate resin, tripropylene glycol diacrylate and trimethylolpropane trimethacrylate were stirred 10-15 minute with the rotating speed of high speed dispersor with 1200-1500 rev/min;
5) flow agent premix: take by weighing polyacrylate solution, polyether-modified YSR 3286 and mixed solvent in proportion, stir 10-15 minute to mixing with 600-800 rev/min rotating speed with high speed dispersor, subsequent use;
6) light trigger dissolving: weighing 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide, 1-hydroxyl-cyclohexyl-phenyl ketone and mixed solvent; Stirred 10-15 minute with the rotating speed of high speed dispersor with 600-800 rev/min; To dissolving fully, subsequent use with 500 mesh filter screens filtration back;
7) the subsequent use material with above-mentioned preparation drops in the system lacquer cylinder in the step 4, and even with 10-15 minute blending dispersion of rotating speed stirring of 600-800 rev/min with high speed dispersor, the mixed solvent in the employing prescription carries out viscosity and is adjusted into 9.0 ± 0.5 seconds;
8) filter and package with double-deck 400 order filter clothes.
Described plastic cement list is coated with the working method of painted UV radiation curable coating (colo(u)r coating), it is characterized in that, described method comprises the steps:
1) mixed solvent preparation: mix in proportion one or more of methylethylketone, butylacetate, propyl carbinol and Virahol subsequent use;
2) dispersible pigment color paste prepares: after two functional group's aliphatic urethane acrylate resins, dispersion agent and mixed solvent are prepared in said ratio, in high speed dispersor, with 800～1200 rev/mins of speed of rotating speed, stirred 5-10 minute; Then; With the speed of 600 rev/mins of rotating speeds, slowly add pigment in proportion, after adding finishes; Improve rotating speed to 1200 rev/min again, disperse 30 minutes subsequent use backs to adopt sand mill to be ground to below the fineness to 10 micron;
3) solid resin cellulose acetate butyrate resin dissolves: cellulose acetate butyrate resin and mixed solvent with the speed of high speed dispersor with 800～1200 rev/mins of rotating speeds, are stirred 15-20 minute to dissolving fully, subsequent use;
4) resin monomer blending dispersion: get clean system lacquer cylinder six functional groups aliphatic urethane acrylate resin, tripropylene glycol diacrylate and trimethylolpropane trimethacrylate were stirred 10-15 minute with the rotating speed of high speed dispersor with 1200-1500 rev/min;
5) flow agent premix: take by weighing polyacrylate solution, polyether-modified YSR 3286 and mixed solvent in proportion, stir 10-15 minute to mixing with 600-800 rev/min rotating speed with high speed dispersor, subsequent use;
6) light trigger dissolving: weighing 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide, 1-hydroxyl-cyclohexyl-phenyl ketone and mixed solvent; Stirred 10-15 minute with the rotating speed of high speed dispersor with 600-800 rev/min; To dissolving fully, subsequent use with 500 mesh filter screens filtration back;
7) the subsequent use material with above-mentioned preparation drops in the system lacquer cylinder in the step 4, and even with 10-15 minute blending dispersion of rotating speed stirring of 600-800 rev/min with high speed dispersor, the mixed solvent in the employing prescription carries out viscosity and is adjusted into 9.0 ± 0.5 seconds;
8) filter and package with double-deck 400 order filter clothes.
Described plastic cement list is coated with the method for use of painted UV radiation curable coating, it is characterized in that, this method may further comprise the steps:
1) ground pre-treatment: dip in clean cotton before the spraying and get the 6# industrial naptha or the 120# industrial naptha is wiped the pollutent on the ground, and electrostatic precipitation, subsequent use;
2) spraying operation parameter setting and step:
1) construction environment: temperature 15-35 ℃, relative humidity 45-70%;
2) application mode: aerial spraying, can adopt hand spray or time variable control machine to spray automatically;
3) 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;
4) working viscosity: 8.5-9.5 second;
5) solidifying the back film thickness is 20-30 μ m;
6) flow time: room temperature 1-2 minute;
7) preheating: 55-60 ℃, 3-5 minute.
3) 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/cm2 dry solidification.
Described plastic cement list is coated with the method for use of painted UV radiation curable coating, it is characterized in that: described ground comprises high impact polystyrene, PS, ABS resin or acrylic.
Plastic cement list of the present invention is coated with painted UV radiation curable coating and has following advantage:
1. need not to spray priming paint in advance and directly in the UV radiation curable coating, add tinting pigment; And ground had well attached, and having solved the difficult point of UV coating especially at high impact polystyrene (HIPS) plastic cement sticking power, coating also has high fullness ratio simultaneously; High gloss; High-wearing feature, high firmness, advantages such as low VOC (volatile organic compounds), low smell;
2. it is painted that coating of the present invention can select for use different pigment, dye paste to carry out according to the ground of different colours, when not influencing performance, to ground better decorate properties is provided;
3. the present invention has reduced spraying process, enhances productivity, and reduces frosting application energy consumption, reduces the VOC discharging that spraying application produces;
4. invention has been adopted and singly has been coated with the difficulty that therefore coloring mode can be considered priming paint and overcoatability and reduce construction, has improved the qualification rate of product;
5. adopt these plastics list to be coated with painted UV and carry out application, can avoid the various losses that bring because of priming paint construction wrong or underdry.
Embodiment
Below in conjunction with concrete embodiment to the described plastic cement list of application of the present invention be coated with painted UV radiation curable coating and production thereof, method of use is carried out detailed description; Purpose is better to understand the technology contents of application of the present invention for the public; Rather than to the restriction of the said technology contents of application of the present invention; In fact; Any coating that any composition of in the invention spirit of application of the present invention, being done adds, revises or replacement is drawn and the described coating of application of the present invention made or the improvement of method of use is all within application of the present invention technical scheme required for protection.
Below be that example is carried out detailed explanation with black and white coating, will be clear that described coating also comprises Clear paint and other versicolor coating.
Embodiment 1
By the said a kind of plastic cement list coating black UV radiation curable coating that obtains of application of the present invention, be to become to be grouped into by each of following weight percentage:
1. methylethylketone 36.5%;
2. two functional group's aliphatic urethane acrylate resins 6%;
3. dispersion agent 0.5%;
4. pigment dyestuff 0.5%;
5. the cellulose acetate butyrate resin 1.5%;
6. six functional groups aliphatic urethane acrylate resin 18%;
7. tripropylene glycol diacrylate 20%;
8. trimethylolpropane trimethacrylate 8%;
9. polyacrylate solution 1%;
10. polyether-modified YSR 3286 2%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 1%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 5%.
Embodiment 2
By the said another kind of plastic cement list coating black UV radiation curable coating that obtains of application of the present invention, be to become to be grouped into by each of following weight percentage:
1. the mixed solvent 35.5% formed of methylethylketone and butylacetate;
2. two functional group's aliphatic urethane acrylate resins 8%;
3. dispersion agent 1.5%;
4. dyestuff 1.5%;
5. the cellulose acetate butyrate resin 1.5%;
6. six functional groups aliphatic urethane acrylate resin 16%;
7. tripropylene glycol diacrylate 18%;
8. trimethylolpropane trimethacrylate 9%;
9. polyacrylate solution 1.5%;
10. polyether-modified YSR 3286 1.5%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 2%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 4%.
Embodiment 3
By the said another kind of plastic cement list coating black UV radiation curable coating that obtains of application of the present invention, be to become to be grouped into by each of following weight percentage:
1. the mixed solvent of forming by propyl carbinol and Virahol 32%;
2. two functional group's aliphatic urethane acrylate resins 9%;
3. dispersion agent 2%;
4. pigment 4%;
5. the cellulose acetate butyrate resin 1%;
6. six functional groups aliphatic urethane acrylate resin 19%;
7. tripropylene glycol diacrylate 16%;
8. trimethylolpropane trimethacrylate 8%;
9. polyacrylate solution 2%;
10. polyether-modified YSR 3286 1%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 1.5%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 4.5%.
Embodiment 4
By the said another kind of plastic cement list coating black UV radiation curable coating that obtains of application of the present invention, be to become to be grouped into by each of following weight percentage:
1. the mixed solvent of forming by propyl carbinol 35.5%;
2. two functional group's aliphatic urethane acrylate resins 8%;
3. dispersion agent 1%;
4. carbon black 2%;
5. the cellulose acetate butyrate resin 2%;
6. six functional groups aliphatic urethane acrylate resin 18%;
7. tripropylene glycol diacrylate 15%;
8. trimethylolpropane trimethacrylate 10%;
9. polyacrylate solution 2%;
10. polyether-modified YSR 3286 2%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 1.5%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 3%.
Embodiment 5
By another kind of plastic cement list coating black UV radiation curable coating provided by the invention, be to become to be grouped into by each of following weight percentage:
1. mix the mixed solvent of forming by methylethylketone, butylacetate, propyl carbinol and Virahol
31％；
2. two functional group's aliphatic urethane acrylate resins 10%;
3. dispersion agent 3%;
4. carbon black 5%;
5. the cellulose acetate butyrate resin 2%;
6. six functional groups aliphatic urethane acrylate resin 20%;
7. tripropylene glycol diacrylate 10%;
8. trimethylolpropane trimethacrylate 10%;
9. polyacrylate solution 1%;
10. polyether-modified YSR 3286 1%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 1%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 6%.
Embodiment 6
By the plastic cement list coating white UV radiation curable coating that invention application provides, be to become to be grouped into by each of following weight percentage:
1. mix the mixed solvent of forming 40% by butylacetate and Virahol;
2. two functional group's aliphatic urethane acrylate resins 7%;
3. dispersion agent 1%;
4. white titanium pigment 1%;
5. the cellulose acetate butyrate resin 1%;
6. six functional groups aliphatic urethane acrylate resin 16%;
7. tripropylene glycol diacrylate 20%;
8. trimethylolpropane trimethacrylate 8%;
9. polyacrylate solution 1%;
10. polyether-modified YSR 3286 1%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 2%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 2%.
Embodiment 7
By the plastic cement list coating white UV radiation curable coating that invention application provides, be to become to be grouped into by each of following weight percentage:
1. by butylacetate blended mixed solvent 33%;
2. two functional group's aliphatic urethane acrylate resins 9%;
3. dispersion agent 2%;
4. white titanium pigment 2%;
5. the cellulose acetate butyrate resin 1.5%;
6. six functional groups aliphatic urethane acrylate resin 17%;
7. tripropylene glycol diacrylate 18%;
8. trimethylolpropane trimethacrylate 9%;
9. polyacrylate solution 1%;
10. polyether-modified YSR 3286 2%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 1%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 4.5%.
Embodiment 8
By the plastic cement list coating white UV radiation curable coating that invention application provides, be to become to be grouped into by each of following weight percentage:
1. mix the mixed solvent of forming 30% by methylethylketone and Virahol;
2. two functional group's aliphatic urethane acrylate resins 8%;
3. dispersion agent 3%;
4. white titanium pigment 3%;
5. the cellulose acetate butyrate resin 2%;
6. six functional groups aliphatic urethane acrylate resin 18%;
7. tripropylene glycol diacrylate 16%;
8. trimethylolpropane trimethacrylate 10%;
9. polyacrylate solution 2%;
10. polyether-modified YSR 3286 2%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 2%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 4%.
Embodiment 9
By the plastic cement list coating white UV radiation curable coating that invention application provides, be to become to be grouped into by each of following weight percentage:
1. mix the mixed solvent of forming 36.5% by propyl carbinol and Virahol;
2. two functional group's aliphatic urethane acrylate resins 6%;
3. dispersion agent 2%;
4. white titanium pigment 4%;
5. the cellulose acetate butyrate resin 1.5%;
6. six functional groups aliphatic urethane acrylate resin 19%;
7. tripropylene glycol diacrylate 13%;
8. trimethylolpropane trimethacrylate 10%;
9. polyacrylate solution 2%;
10. polyether-modified YSR 3286 1%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 1.5%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 3.5%.
Embodiment 10
By the plastic cement list coating white UV radiation curable coating that invention application provides, be to become to be grouped into by each of following weight percentage:
1. mix the mixed solvent of forming 30% by propyl carbinol and Virahol;
2. two functional group's aliphatic urethane acrylate resins 10%;
3. dispersion agent 1%;
4. white titanium pigment 5%;
5. the cellulose acetate butyrate resin 1%;
6. six functional groups aliphatic urethane acrylate resin 20%;
7. tripropylene glycol diacrylate 15%;
8. trimethylolpropane trimethacrylate 7%;
9. polyacrylate solution 1.5%;
10. polyether-modified YSR 3286 1.5%;
11.2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 2%;
12.1-hydroxyl-cyclohexyl-phenyl ketone 6%.
Embodiment 11
Be the preparation method that example is explained this coating with the plastic cement list coating black UV radiation curable coating described in the embodiment 1 below, comprise the step that is described below:
1. mixed solvent preparation: the mixed solvent that methylethylketone prepares is subsequent use;
2. dispersible pigment color paste prepares: after two functional group's aliphatic urethane acrylate resins, dispersion agent and mixed solvent are prepared in said ratio, in high speed dispersor, with 800～1200 rev/mins of speed of rotating speed, stirred 5-10 minute; Then; With the speed of 600 rev/mins of rotating speeds, slowly add pigment (carbon black) in proportion, after adding finishes; Improve rotating speed to 1200 rev/min again, disperse 30 minutes subsequent use backs to adopt sand mill to be ground to below the fineness to 10 micron;
3. solid resin cellulose acetate butyrate resin dissolves: cellulose acetate butyrate resin and mixed solvent with the speed of high speed dispersor with 800～1200 rev/mins of rotating speeds, are stirred 15-20 minute to dissolving fully, subsequent use;
4. resin monomer blending dispersion: get clean system lacquer cylinder with six functional groups aliphatic urethane acrylate resin, tripropylene glycol diacrylate and trimethylolpropane trimethacrylate with high speed dispersor with 1200-1500 rev/min rotating speed stirring 10-15 minute;
5. flow agent premix: take by weighing polyacrylate solution, polyether-modified YSR 3286 and mixed solvent in proportion, stir 10-15 minute to mixing with 600-800 rev/min rotating speed with high speed dispersor, subsequent use;
6. light trigger dissolving: weighing 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide, 1-hydroxyl-cyclohexyl-phenyl ketone and mixed solvent; Stirred 10-15 minute with the rotating speed of high speed dispersor with 600-800 rev/min; To dissolving fully, subsequent use with 500 mesh filter screens filtration back;
7. the subsequent use material with above-mentioned preparation drops in the system lacquer cylinder in the step 4, and even with 10-15 minute blending dispersion of rotating speed stirring of 600-800 rev/min with high speed dispersor, the mixed solvent in the employing prescription carries out viscosity and is adjusted into 9.0 ± 0.5 seconds;
8. filter and package with double-deck 400 order filter clothes.
Embodiment 12
Being coated with transparent UV radiation curable coating with described plastic cement list below is the preparation method that example is explained this coating, comprises the step that is described below:
1. mixed solvent preparation: mix in proportion methylethylketone, butylacetate, propyl carbinol and Virahol subsequent use;
2. transparency dye mill base preparation: need not to add dispersion agent and two functional group's aliphatic urethane acrylate resins; Only adopt the mixed solvent dissolving to get final product fully; Wherein two functional group's aliphatic urethane acrylate resins add in the mixed with resin dispersion step, and are subsequent use;
3. solid resin cellulose acetate butyrate resin dissolves: cellulose acetate butyrate resin and mixed solvent with the speed of high speed dispersor with 800～1200 rev/mins of rotating speeds, are stirred 15-20 minute to dissolving fully, subsequent use;
4. resin monomer blending dispersion: get clean system lacquer cylinder with six functional groups aliphatic urethane acrylate resin, tripropylene glycol diacrylate and trimethylolpropane trimethacrylate with high speed dispersor with 1200-1500 rev/min rotating speed stirring 10-15 minute;
5. flow agent premix: take by weighing polyacrylate solution, polyether-modified YSR 3286 and mixed solvent in proportion, stir 10-15 minute to mixing with 600-800 rev/min rotating speed with high speed dispersor, subsequent use;
6. light trigger dissolving: weighing 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide, 1-hydroxyl-cyclohexyl-phenyl ketone and mixed solvent; Stirred 10-15 minute with the rotating speed of high speed dispersor with 600-800 rev/min; To dissolving fully, subsequent use with 500 mesh filter screens filtration back;
7. the subsequent use material with above-mentioned preparation drops in the system lacquer cylinder in the step 4, and even with 10-15 minute blending dispersion of rotating speed stirring of 600-800 rev/min with high speed dispersor, the mixed solvent in the employing prescription carries out viscosity and is adjusted into 9.0 ± 0.5 seconds;
8. filter and package with double-deck 400 order filter clothes.
Be that example explains that the described plastic cement list of application of the present invention is coated with the preparation method of painted UV radiation curable coating only below with two kinds of array modes; In fact; Be not limited to the various coating described in the foregoing description, can adopt similar method to obtain, repeat no more here.
Embodiment 13
Below be ground with high impact polystyrene (HIPS); Explain that plastic cement list of the present invention is coated with the method for use of painted UV radiation curable coating; Will be clear that described ground is not limited to high impact polystyrene, materials such as PS, ABS resin or acrylic are all included.
Described plastic cement list is coated with the method for use of painted UV radiation curable coating, it is characterized in that: this method may further comprise the steps:
1, ground pre-treatment: dip in clean cotton before the spraying and get the 6# industrial naptha and wipe the pollutent on the high impact polystyrene (HIPS), and electrostatic precipitation, subsequent use;
2, spraying operation parameter setting and step:
1) construction environment: 25 ℃ of temperature, relative humidity 45-70%;
2) application mode: aerial spraying, can adopt hand spray or time variable control machine to spray automatically;
3) 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;
4) working viscosity: 8.5-9.5 second;
5) solidifying the back film thickness is 20-30 μ m;
6) flow time: room temperature 1-2 minute;
7) preheating: 55-60 ℃, 3-5 minute.
3, 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/cm2 dry solidification.
Concrete working conditions sees the following form:
Embodiment 14
To the various coating described in the embodiment 1-10; Carrying out paint film appearance, glossiness, stroke lattice test, wear resistance, humidity resistance, the humid of anti-alternation the, thermotolerance, lower temperature resistance, water tolerance, print resistance, acid resistance, alkali resistance and anti-cosmetic moral character tests; The gained result is as shown in the table (in the above test result; √ representes that test passes passes through, * expression through):
Can be known that by last table detect through experiments, plastic cement list of the present invention is coated with painted UV radiation curable coating and has good physico-chemical property, the performance excellence has broad application prospects in each item test.
Claims (9)
1. a plastic cement list is coated with painted UV radiation curable coating, and it is characterized in that: described coating comprises following composition, and its weight percentage is:
1) by one or more mixed solvent 20-42% that form of methylethylketone, butylacetate, propyl carbinol and Virahol;
2) the two aliphatic urethane acrylate resin 5-10% of functional group;
3) dispersion agent 0-3%;
4) cellulose acetate butyrate resin 1-2%;
5) six functional groups aliphatic urethane acrylate resin 15-22%;
6) tripropylene glycol diacrylate 10-22%;
7) trimethylolpropane trimethacrylate 5-10%;
8) polyacrylate solution 1-3%;
9) polyether-modified YSR 3286 1-2%;
10) 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 1-2%;
11) 1-hydroxyl-cyclohexyl-phenyl ketone 2-6%.
2. plastic cement list according to claim 1 is coated with painted UV radiation curable coating, it is characterized in that: comprise also in the said coating that weight percentage is at the pigment below 6%.
3. plastic cement list according to claim 2 is coated with painted UV radiation curable coating, it is characterized in that: described pigment comprises pigment dyestuff, dyestuff, white titanium pigment or carbon black.
4. plastic cement list according to claim 1 and 2 is coated with painted UV radiation curable coating, it is characterized in that: described dispersion agent is the dispersion agent of the HMW block copolymerization liquid solution of band pigment affinity groups.
5. plastic cement list according to claim 4 is coated with painted UV radiation curable coating, it is characterized in that: the dispersion agent of the HMW block copolymerization liquid solution of described band pigment affinity groups comprises BYK-190, BYK-180, BYK-110 or BYK-163.
6. be coated with the working method of painted UV radiation curable coating by the described plastic cement list of claim 1, it is characterized in that described method comprises the steps:
1) mixed solvent preparation: mix in proportion one or more of methylethylketone, butylacetate, propyl carbinol and Virahol subsequent use;
2) transparency dye mill base preparation: need not to add dispersion agent and two functional group's aliphatic urethane acrylate resins; Only adopt the mixed solvent dissolving to get final product fully; Wherein two functional group's aliphatic urethane acrylate resins add in the mixed with resin dispersion step, and are subsequent use;
3) solid resin cellulose acetate butyrate resin dissolves: cellulose acetate butyrate resin and mixed solvent with the speed of high speed dispersor with 800～1200 rev/mins of rotating speeds, are stirred 15-20 minute to dissolving fully, subsequent use;
4) resin monomer blending dispersion: get clean system lacquer cylinder six functional groups aliphatic urethane acrylate resin, tripropylene glycol diacrylate and trimethylolpropane trimethacrylate were stirred 10-15 minute with the rotating speed of high speed dispersor with 1200-1500 rev/min;
5) flow agent premix: take by weighing polyacrylate solution, polyether-modified YSR 3286 and mixed solvent in proportion, stir 10-15 minute to mixing with 600-800 rev/min rotating speed with high speed dispersor, subsequent use;
6) light trigger dissolving: weighing 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide, 1-hydroxyl-cyclohexyl-phenyl ketone and mixed solvent; Stirred 10-15 minute with the rotating speed of high speed dispersor with 600-800 rev/min; To dissolving fully, subsequent use with 500 mesh filter screens filtration back;
7) the subsequent use material with above-mentioned preparation drops in the system lacquer cylinder in the step 4, and even with 10-15 minute blending dispersion of rotating speed stirring of 600-800 rev/min with high speed dispersor, the mixed solvent in the employing prescription carries out viscosity and is adjusted into 9.0 ± 0.5 seconds;
8) filter and package with double-deck 400 order filter clothes.
7. be coated with the working method of painted UV radiation curable coating by the described plastic cement list of claim 2, it is characterized in that described method comprises the steps:
1) mixed solvent preparation: mix in proportion one or more of methylethylketone, butylacetate, propyl carbinol and Virahol subsequent use;
2) dispersible pigment color paste prepares: after two functional group's aliphatic urethane acrylate resins, dispersion agent and mixed solvent are prepared in said ratio, in high speed dispersor, with 800～1200 rev/mins of speed of rotating speed, stirred 5-10 minute; Then; With the speed of 600 rev/mins of rotating speeds, slowly add pigment in proportion, after adding finishes; Improve rotating speed to 1200 rev/min again, disperse 30 minutes subsequent use backs to adopt sand mill to be ground to below the fineness to 10 micron;
3) solid resin cellulose acetate butyrate resin dissolves: cellulose acetate butyrate resin and mixed solvent with the speed of high speed dispersor with 800～1200 rev/mins of rotating speeds, are stirred 15-20 minute to dissolving fully, subsequent use;
4) resin monomer blending dispersion: get clean system lacquer cylinder six functional groups aliphatic urethane acrylate resin, tripropylene glycol diacrylate and trimethylolpropane trimethacrylate were stirred 10-15 minute with the rotating speed of high speed dispersor with 1200-1500 rev/min;
5) flow agent premix: take by weighing polyacrylate solution, polyether-modified YSR 3286 and mixed solvent in proportion, stir 10-15 minute to mixing with 600-800 rev/min rotating speed with high speed dispersor, subsequent use;
6) light trigger dissolving: weighing 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide, 1-hydroxyl-cyclohexyl-phenyl ketone and mixed solvent; Stirred 10-15 minute with the rotating speed of high speed dispersor with 600-800 rev/min; To dissolving fully, subsequent use with 500 mesh filter screens filtration back;
7) the subsequent use material with above-mentioned preparation drops in the system lacquer cylinder in the step 4, and even with 10-15 minute blending dispersion of rotating speed stirring of 600-800 rev/min with high speed dispersor, the mixed solvent in the employing prescription carries out viscosity and is adjusted into 9.0 ± 0.5 seconds;
8) filter and package with double-deck 400 order filter clothes.
8. be coated with the method for use of painted UV radiation curable coating by claim 1 or 2 described plastic cement lists, it is characterized in that this method may further comprise the steps:
1) ground pre-treatment: dip in clean cotton before the spraying and get the 6# industrial naptha or the 120# industrial naptha is wiped the pollutent on the ground, and electrostatic precipitation, subsequent use;
2) spraying operation parameter setting and step:
A. construction environment: temperature 15-35 ℃, relative humidity 45-70%;
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.
3) 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/cm2 dry solidification.
9. plastic cement list according to claim 8 is coated with the method for use of painted UV radiation curable coating, it is characterized in that: described ground comprises high impact polystyrene, PS, ABS resin or acrylic.
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| CN103173115A (en) * | 2013-02-05 | 2013-06-26 | 深圳市嘉卓成科技发展有限公司 | Ultraviolet (UV) radiation curing coating for coating surface of TR90 plastic and preparation method thereof |
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| CN103173115B (en) * | 2013-02-05 | 2015-10-28 | 深圳市嘉卓成科技发展有限公司 | For UV radiation curable coating and the preparation method of the application of TR90 frosting |
| CN103788860A (en) * | 2014-01-15 | 2014-05-14 | 中山永辉化工有限公司 | Recoatable UV radiation cured coating for plastic as well as production method and application method of coating |
| CN103788860B (en) * | 2014-01-15 | 2016-03-30 | 中山永辉化工有限公司 | One can recoat plastic cement UV radiation curable coating and production method and using method |
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| CN106566405A (en) * | 2016-11-06 | 2017-04-19 | 江苏四方威凯科技有限公司 | Highly-arranged super-texture scratch-resistant coating used for electric car plastic parts, and preparation method thereof |
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| CN106590115A (en) * | 2016-12-14 | 2017-04-26 | 太仓佩琦涂料有限公司 | UV coating allowing color matching |
| CN106675219A (en) * | 2016-12-25 | 2017-05-17 | 合肥乐凯科技产业有限公司 | Transparent hardening composition, TAC glasses film and preparation method of TAC glasses film |
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