CN103146298B - Ultraviolet coating and application thereof - Google Patents
Ultraviolet coating and application thereof Download PDFInfo
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- CN103146298B CN103146298B CN201310061083.0A CN201310061083A CN103146298B CN 103146298 B CN103146298 B CN 103146298B CN 201310061083 A CN201310061083 A CN 201310061083A CN 103146298 B CN103146298 B CN 103146298B
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Abstract
The invention provides an ultraviolet coating and an application thereof. The ultraviolet coating is prepared by uniformly stirring the following materials in parts by weight: 40-45 parts of color paste, 1-6 parts of photoinitiator, 10-30 parts of activated thinner, 30-60 parts of UV gold oil, 1-5 parts of adhesive force promoting additive and 0.5-2 parts of ultraviolet light absorbing additive, wherein the UV gold oil is prepared by stirring and mixing a polyurethane acrylate resin, a polyester acrylic resin, an acrylate monomer and an additive, and the UV color paste is prepared from a resin, a flatting agent, a dispersing agent, pigment powder and a solvent. The ultraviolet coating provided by the invention can be applied in a wet-to-wet technology and has good recoatability and good weather resistance; and when a coating is thick, no ice crystals are generated.
Description
Technical field
The present invention relates to a kind of UV coating, particularly a kind of UV coating and application thereof being applied to motorcycle.
Background technology
Ultraviolet-curing paint (UV coating), the environment-friendly and energy-efficient coating adopting radiation curing technology to be feature, but when in current prior art, UV application of paints is on motorcycle, when employing is wet and is touched wet technique, effect is bad, UV coating is coated at frosting, its coating can not be too thick, when painting is thick or be coated with at least two-layer, cracks after coating is dry, be called frost flower phenomenon, when motorcycle outside surface damages, cannot be directly surperficial at motorcycle by UV coating recoat, its sticking power is bad, and simultaneously current its weather resistance of UV coating is bad.
Summary of the invention
In sum, the present invention is necessary to provide a kind of UV coating, and it can be applied and wet touch wet technique, when coat-thickness is thicker, does not play frost flower, the good and good weatherability of recoatability.
In addition, there is a need to the application that a kind of above-mentioned UV coating is provided.
A kind of UV coating, is stirred by its weight part by following material, prepares gained:
Wherein, described UV polishes is uniformly mixed by polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent and prepares, and the weight of described polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent accounts for 50-70%, 15-30%, 11-30%, 3-8% and 0.5-1% of described UV polishes respectively;
Described acrylate monomer comprises pentaerythritol triacrylate, tri (propylene glycol) diacrylate and Viscoat 295;
Wherein, described UV mill base is prepared from by resin, flow agent, dispersion agent, pigment powder and solvent.
Wherein, described UV mill base can be obtained by following steps:
1) get 40-70 parts by weight resin, 0.3-0.5 weight part flow agent, 1-3 parts per weight dispersing agent, 3-8 weight part pigment powder, 25-45 parts by weight solvent be raw material, wherein said pigment powder is non-white pigment powder;
2) 30-50wt% of described pigment powder, described flow agent, described dispersion agent, described resin, the 30-50wt% solvent of described solvent are joined in grinding plant, be ground to fineness and be less than or equal to 5 μm, obtain master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
Wherein, described UV mill base also can be obtained by following steps:
1) get 40-70 parts by weight resin, 0.1-0.5 weight part flow agent, 1-3 parts per weight dispersing agent, 20-30 weight part pigment powder, 10-20 parts by weight solvent be raw material, wherein said pigment powder is white pigment powder;
2) solvent of the resin of the 30-50wt% of described pigment powder, described flow agent, described dispersion agent, described resin, the 30-50wt% of described solvent is joined in grinding plant, be ground to fineness and be less than or equal to 5 μm, obtain master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
Wherein, in described acrylate monomer, the mass ratio of pentaerythritol triacrylate, tri (propylene glycol) diacrylate and Viscoat 295 is arbitrary, and its mass ratio can be 1:(1-2): (1-2).
Wherein, described initiator can be 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, phenyl two (2,4; 6-trimethylbenzoyl) phosphine oxide, 2; 4,6-trimethylbenzoy-dipheny phosphine oxide, 2,2-dimethoxy-phenylf ethyl ketones.
Wherein, described auxiliary agent can be flow agent.
Wherein, described white pigment powder is titanium dioxide.
Wherein, described resin can be selected from one or more of Epocryl, polyurethane acrylic resin, acrylated hyperbranched polyester resin, polyester acrylate resin or acrylic resin.
Wherein, described solvent can be selected from toluene, vinyl acetic monomer, N-BUTYL ACETATE, dimethylbenzene one or more.
Wherein, described light trigger can be 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone, phenyl two (2,4; 6-trimethylbenzoyl) phosphine oxide, 2; 4,6-trimethylbenzoy-dipheny phosphine oxide, 2,2-dimethoxy-phenylf ethyl ketones.
Wherein, described reactive thinner can be selected from pentaerythritol triacrylate, tri (propylene glycol) diacrylate, Viscoat 295, butyl acrylate one or more.
Wherein, described ultraviolet absorption auxiliary agent can comprise hindered amine and benzoglyoxaline.
Wherein, described sticking power accelerating auxiliaries can be the polyacrylic ester of polyester modification.
Wherein, described flow agent can be polyether-modified dimethyl siloxane, and described dispersion agent can be polyurethane-modified organic amine polymkeric substance.
An application method for above-mentioned UV coating, is characterized in that:
Described coating is evenly coated on plastic basis material, passes through ultraviolet light polymerization.Wherein, preferred method is evenly coated on plastic basis material by described coating, then at ultraviolet light polymerization 30S, and the wherein energy>=500mJ/cm of UV-light
2.
Compare prior art, the present invention is by specific formula, UV polishes of the present invention is used to coordinate with other material, the UV coating that the present invention is prepared meets the properties of motor automotive coatings, can be applied on friction car, it can be applied to wet and touch wet technique, technique is simple, and when coat-thickness is thicker, do not produce frost flower phenomenon, after tested, find that UV coating of the present invention does not produce frost flower phenomenon when coat-thickness is greater than 25 μm yet, when motorcycle weares and teares, directly can adopt UV coating recoat of the present invention, the tack power of refinishing paint is good, and UV coating good weatherability of the present invention.
Embodiment
Below in conjunction with some embodiments, UV coating of the present invention and application thereof are described further.Specific embodiment is for further describing the present invention, non-limiting protection scope of the present invention.
Below embodiment material used and source thereof:
Polyurethane acrylic resin: manufacturer: SARTOMER model: CN9010NS,
Polyester acrylate resin: manufacturer: Changxing chemistry model: 6316
Pentaerythritol triacrylate: manufacturer: SARTOMER model: SR351NS;
Tri (propylene glycol) diacrylate: manufacturer: SARTOMER model: SR444NS;
Viscoat 295: manufacturer: SARTOMER model: SR508NS
Auxiliary agent: manufacturer: BYK model: BYK-333;
Initiator: 184 initiators, commercially available;
Epocryl manufacturer: Changxing chemistry model: 621;
Acrylated hyperbranched polyester resin manufacturer: SARTOMER model: CN2303
Sticking power accelerating auxiliaries is the polyacrylic ester of polyester modification: BASF, AdBloc;
Ultraviolet absorption auxiliary agent: vapour bar product, model, TINUVINS1130;
Flow agent is polyether-modified dimethyl siloxane: from: manufacturer: BYK, model: BYK-381;
Dispersion agent is polyurethane-modified organic amine polymkeric substance: from: German Bi Ke chemistry, model: BYK-2001;
Red pigment: Pigment red A3B, commercially available;
Bronze: commercially available;
Aluminium powder: commercially available;
Titanium dioxide, commercially available;
Light trigger, from CIBA, model is TPO.
Coating-1: from Atlas, Zhongshan city lubricating oil company limited, model: the complete synthesis machine oil of 4T motorcycle.
Coating-2: from Guangzhou Jin Sun lubricating oil company limited, model: SX-R1000.
The detection method that embodiment is used or standard are:
The preparation method of sample: the coating prepared is coated on the frosting the same with motorcycle materials and first sprays one deck UV coating, thickness: 25 ± 5 μm, and then spray one deck UV coating, thickness: 25 ± 5 μm, then UV solidification, energy>=500mJ/cm
2, prepare sample, then it carried out to the test of following performance.
Color and outward appearance: GB1721-79;
Sticking power: GB1720-79; To be kept by single-edge blade 30 ° on effective surface, mark 10 × 10 sizes be 1mm or 2mm(bis-sticking power be 5 × 5 sizes is 2mm) I-go board lattice, the degree of depth is in matrix, be adjacent on effective surface in bubble free state with the wide scotch tape of the 24mm similar adhesive tape of (10 ± 1) N/25mm (the standard adhesive tape to be New Times or clinging power be), then be 45° angle by the coat side of one end of adhesive tape and non-Continuous pressing device for stereo-pattern, torn fast adhesive tape, check the lattice of tearing has how many, calculate the per-cent that the number of squares be not torn accounts for former number of squares.
Hardness: GB/T1730-93; Use " uni Mitsubishi pencil ", with hand grip pencil and effective surface angle at 45 °, firmly with the speed of 10mm/s, pencil is released forward when pen core does not fracture as far as possible, after the lines of three more than length 7mm of differently pointing with the finger or gesticulate, wipe blacklead with raw eraser or soft cloth, then check the scratch situation of coating.
Shock-resistance: test by GB1732 regulation, checks whether coat side produces paint, crackle.
Shock strength: GB/T1732-93.
Gloss: GB1743-79.
Fineness: GB1724-79.
Snappiness.GB/T1731-93。
Viscosity second: GB1723-79(20 DEG C).
Solids content %:GB/1725-79.
Petrol-resistance: GB/T1734-93, is dipped in 90# gasoline.
Weathering resistance (Q-SUN): GB/T1865-97.
Water tolerance: GB/T1733-93.
Humidity resistance: process sample with climatic chamber, places 2 hours in indoor placement after taking-up, checks that film is with or without unusual phenomenon.
Resistance to neutral detergent: at room temperature test film is placed in 10% neutral detergent solution after dipping, clean with tap water, place 24 hours in atmosphere, then check that film is with or without unusual phenomenon.
Alkali resistance: the 2ml that the NaOH solution of 0.1mol/L dripped is in the ring (diameter 35mm) be tightly bonded together with test board, temperature be 23 ± 2 DEG C, humidity places under being the condition of 73 ± 5%, rinse with water again, after 1 hour, check that film is with or without unusual phenomenon.
Acid resistance: the 2ml that dripped by the sulphuric acid soln of 0.05mol/L is in the ring (diameter 35mm) be tightly bonded together with test board, temperature be 23 ± 2 DEG C, humidity places under being the condition of 73 ± 5%, rinse with water again, after 1 hour, check that film is with or without unusual phenomenon.
Wear resistance: use RCA tester table to test, standard consumptive material, frequency is 17cycles/min, loading 175g, Rubbing number 500 times, checks that film coated surface is with or without unusual phenomenon.
Frost flower phenomenon: after observation coating is dry, have flawless, having crackle to be called has frost flower phenomenon, and flawless is called without frost flower phenomenon.
Embodiment 1
The preparation of UV polishes
Get polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent by the material shown in table 1 and weight part to be uniformly mixed and to prepare UV polishes.
The preparation of UV mill base
1) get resin by the material shown in table 2 and weight part, flow agent, dispersion agent, pigment powder, solvent be raw material, stand-by;
2) join in grinding plant by the solvent of the resin of the 30wt% weight of described pigment powder, described flow agent, described dispersion agent, described resin, the 50wt% of described solvent, grinding, its powder diameter is less than or equal to 5 μm, obtains master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
Prepared by the present embodiment UV mill base, UV polishes prepared by the present embodiment, light trigger as shown in table 3, reactive thinner, adhesion promoter and ultraviolet absorption auxiliary agent by shown in table 3 weight part mixing, stir and prepare UV mill base, test its performance, list in table 3 and table 4.
Embodiment 2
The preparation of UV polishes
Get polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent by the material shown in table 1 and weight part to be uniformly mixed and to prepare UV polishes.
The preparation of UV mill base
1) get resin by the material shown in table 2 and weight part, flow agent, dispersion agent, pigment powder, solvent be raw material, stand-by;
2) join in grinding plant by the solvent of the resin of the 40wt% weight of described pigment powder, described flow agent, described dispersion agent, described resin, the 40wt% of described solvent, grinding, its powder diameter is less than or equal to 5 μm, obtains master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
Prepared by the present embodiment UV mill base, UV polishes prepared by the present embodiment, light trigger as shown in table 3, reactive thinner, adhesion promoter and ultraviolet absorption auxiliary agent by shown in table 3 weight part mixing, stir and prepare UV mill base, test its performance, list in table 3 and table 4.
Embodiment 3
The preparation of UV polishes
Get polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent by the material shown in table 1 and weight part to be uniformly mixed and to prepare UV polishes.
The preparation of UV mill base
1) get resin by the material shown in table 2 and weight part, flow agent, dispersion agent, pigment powder, solvent be raw material, stand-by;
2) join in grinding plant by the solvent of the resin of the 50wt% weight of described pigment powder, described flow agent, described dispersion agent, described resin, the 30wt% of described solvent, grinding, its powder diameter is less than or equal to 5 μm, obtains master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
Prepared by the present embodiment UV mill base, UV polishes prepared by the present embodiment, light trigger as shown in table 3, reactive thinner, adhesion promoter and ultraviolet absorption auxiliary agent by shown in table 3 weight part mixing, stir and prepare UV mill base, test its performance, list in table 3 and table 4.
Embodiment 4
The preparation of UV polishes
Get polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent by the material shown in table 1 and weight part to be uniformly mixed and to prepare UV polishes.
The preparation of UV mill base
1) get resin by the material shown in table 2 and weight part, flow agent, dispersion agent, pigment powder, solvent be raw material, stand-by;
2) join in grinding plant by the solvent of the resin of the 30wt% weight of described pigment powder, described flow agent, described dispersion agent, described resin, the 50wt% of described solvent, grinding, its powder diameter is less than or equal to 5 μm, obtains master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
Prepared by the present embodiment UV mill base, UV polishes prepared by the present embodiment, light trigger as shown in table 3, reactive thinner, adhesion promoter and ultraviolet absorption auxiliary agent by shown in table 3 weight part mixing, stir and prepare UV mill base, test its performance, list in table 3 and table 4.
Embodiment 5
The preparation of UV polishes
Get polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent by the material shown in table 1 and weight part to be uniformly mixed and to prepare UV polishes.
The preparation of UV mill base
1) get resin by the material shown in table 2 and weight part, flow agent, dispersion agent, pigment powder, solvent be raw material, stand-by;
2) join in grinding plant by the solvent of the resin of the 40wt% weight of described pigment powder, described flow agent, described dispersion agent, described resin, the 40wt% of described solvent, grinding, its powder diameter is less than or equal to 5 μm, obtains master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
Prepared by the present embodiment UV mill base, UV polishes prepared by the present embodiment, light trigger as shown in table 3, reactive thinner, adhesion promoter and ultraviolet absorption auxiliary agent by shown in table 3 weight part mixing, stir and prepare UV mill base, test its performance, list in table 3 and table 4.
Embodiment 6
The preparation of UV polishes
Get polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent by the material shown in table 1 and weight part to be uniformly mixed and to prepare UV polishes.
The preparation of UV mill base
1) get resin by the material shown in table 2 and weight part, flow agent, dispersion agent, pigment powder, solvent be raw material, stand-by;
2) join in grinding plant by the solvent of the resin of the 50wt% weight of described pigment powder, described flow agent, described dispersion agent, described resin, the 30wt% of described solvent, grinding, its powder diameter is less than or equal to 5 μm, obtains master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
Prepared by the present embodiment UV mill base, UV polishes prepared by the present embodiment, light trigger as shown in table 3, reactive thinner, adhesion promoter and ultraviolet absorption auxiliary agent by shown in table 3 weight part mixing, stir and prepare UV mill base, test its performance, list in table 3 and table 4.
Comparative example 1
By commercially available coating-1, prepare sample test method according to the above-mentioned mode preparing sample and test, test its weathering resistance and observe it with or without frost flower phenomenon, its performance is listed in table 4.
Comparative example 2
By commercially available coating-2, prepare sample test method according to the above-mentioned mode preparing sample and test, test its weathering resistance and observe it with or without frost flower phenomenon, its performance is listed in table 4.
The preparation of table 1 UV polishes
The preparation of table 2 UV mill base
The preparation of table 3 UV coating and performance test thereof
Table 4
Embodiment 1-6 and comparative example 1-2 is prepared recoat sample respectively, and its preparation method is as follows:
The frosting the same with motorcycle materials that one piece has been sprayed with colored paint first sprays one deck UV coating, thickness: 25 ± 5 μm, and then spray one deck UV coating, thickness: 25 ± 5 μm, then UV solidification, energy>=500mJ/cm
2, prepare recoat sample.Observe it with or without frost flower phenomenon, find, the recoat sample prepared with embodiment 1-6 coating is without frost flower phenomenon, and recoat sample prepared by comparative example 1-2 coating produces frost flower phenomenon.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a UV coating, is characterized in that:
Stirred by its weight part by following material, prepare gained:
Wherein, described UV polishes is uniformly mixed by polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent and prepares, and the weight of described polyurethane acrylic resin, polyester acrylate resin, acrylate monomer, initiator and auxiliary agent accounts for 50-70%, 15-30%, 11-30%, 3-8% and 0.5-1% of described UV polishes respectively;
Described acrylate monomer comprises pentaerythritol triacrylate, tri (propylene glycol) diacrylate and Viscoat 295;
Wherein, described UV mill base is prepared from by resin, flow agent, dispersion agent, pigment powder and solvent;
Described resin is selected from one or more of Epocryl, polyurethane acrylic resin, acrylated hyperbranched polyester resin, polyester acrylate resin or acrylic resin.
2. UV coating according to claim 1, is characterized in that described UV mill base is obtained by following steps:
1) get 40-70 parts by weight resin, 0.3-0.5 weight part flow agent, 1-3 parts per weight dispersing agent, 3-8 weight part pigment powder, 25-45 parts by weight solvent be raw material, wherein said pigment powder is non-white pigment powder;
2) 30-50wt% of described pigment powder, described flow agent, described dispersion agent, described resin, the 30-50wt% solvent of described solvent are joined in grinding plant, be ground to fineness and be less than or equal to 5 μm, obtain master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
3. UV coating according to claim 1, is characterized in that described UV mill base is obtained by following steps:
1) get 40-70 parts by weight resin, 0.1-0.5 weight part flow agent, 1-3 parts per weight dispersing agent, 20-30 weight part pigment powder, 10-20 parts by weight solvent be raw material, wherein said pigment powder is white pigment powder;
2) solvent of the resin of the 30-50wt% of described pigment powder, described flow agent, described dispersion agent, described resin, the 30-50wt% of described solvent is joined in grinding plant, be ground to fineness and be less than or equal to 5 μm, obtain master grind;
3) resin of remainder and remaining solvent are joined in above-mentioned master grind stir, obtain UV mill base.
4. the UV coating according to Claims 2 or 3, is characterized in that:
Described solvent is selected from the two or more mixing of toluene, vinyl acetic monomer, N-BUTYL ACETATE, dimethylbenzene.
5. the UV coating according to Claims 2 or 3, is characterized in that:
Described reactive thinner be selected from pentaerythritol triacrylate, tri (propylene glycol) diacrylate, Viscoat 295, butyl acrylate one or more.
6. the UV coating according to Claims 2 or 3, is characterized in that:
Described ultraviolet absorption auxiliary agent comprises hindered amine and benzoglyoxaline.
7. the UV coating according to Claims 2 or 3, is characterized in that:
Described sticking power accelerating auxiliaries is the polyacrylic ester of polyester modification.
8. the UV coating according to Claims 2 or 3, is characterized in that:
Described flow agent is polyether-modified dimethyl siloxane, and described dispersion agent is polyurethane-modified organic amine polymkeric substance.
9. an application method for the UV coating as described in any one of claim 1 to 8, is characterized in that:
Described coating is evenly coated on plastic basis material, passes through ultraviolet light polymerization.
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CN103740171B (en) * | 2013-12-20 | 2016-06-08 | 湖北久瑞核技术股份有限公司 | Utilize ultraviolet light polymerization in the colour-wash/ink of tire and preparation method |
CN103740172B (en) * | 2013-12-20 | 2016-04-13 | 湖北久瑞核技术股份有限公司 | Radiation curing is in tire and self luminous coating/ink and preparation method |
CN104004451B (en) * | 2014-05-20 | 2017-01-18 | 江苏利田科技股份有限公司 | Automotive UV (Ultraviolet) light-cured camouflage coating and preparation method thereof |
CN109749619B (en) * | 2018-12-28 | 2021-06-08 | 东来涂料技术(上海)股份有限公司 | Super-hydrophobic and stain-resistant water-based UV coating and preparation method thereof |
CN114134752B (en) * | 2021-11-26 | 2023-05-23 | 红云红河烟草(集团)有限责任公司 | Cigarette label paper with moisture absorption and balance effects and preparation method thereof |
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