CN104164179A - UV (Ultraviolet) paint composition and preparation method thereof - Google Patents
UV (Ultraviolet) paint composition and preparation method thereof Download PDFInfo
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- CN104164179A CN104164179A CN201310187237.0A CN201310187237A CN104164179A CN 104164179 A CN104164179 A CN 104164179A CN 201310187237 A CN201310187237 A CN 201310187237A CN 104164179 A CN104164179 A CN 104164179A
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Abstract
The invention provides a UV (Ultraviolet) paint composition. The UV paint composition consists of the following components in percentage by weight: 15-40 percent of a two-functional polyurethane acrylic resin, 5-30 percent of a multi-functional polyurethane acrylic resin, 5-20 percent of a dilution monomer, 30-60 percent of a diluent and 1-5 percent of a photoinitiator, wherein the elongation of the two-functional polyurethane acrylic resin is greater than 100 percent. The invention further provides a preparation method of the UV paint composition. UV paint provided by the invention has high corrosion resistance, and meets the increasingly strict requirements of people on product appearances; and decorated products are clear in boundaries.
Description
Technical field
The invention belongs to UV paint field, relate in particular to especially composition and method of making the same of a kind of UV.
Background technology
At present become a spotlight of electron trade and other industry at the one seamless process appearance component product of glass and plastic cement, metal and plastic cement on the market, because the performance of plastic parts injection moulding does not reach requirement, need to decorate it.
Tradition is protected the method for non-decorative cover with tool, easily cause decorative cover and non-decorative cover obscure boundary, as bad orders such as sawtooth, many sprays, steps, has a strong impact on the appearance effect of one seamless process technology.
And the method for non-decorative cover being protected with protective membrane; be not suitable for the structure that protective surface is curved surface; the method that is plane to protective surface; not only high to the requirement on machining accuracy of film adhering jig and protective membrane; and still can produce step sense problem clearly, affect outward appearance and the feel of one seamless process injecting products.
Summary of the invention
The present invention is that the decoration that solves the one seamless process appearance component product of existing glass and plastic cement, metal and plastic cement exists ill-defined technical problem, and a kind of clear-cut decoration of one seamless process appearance component product UV paint composite that can make glass and plastic cement, metal and plastic cement and preparation method thereof is provided.
The invention provides a kind of UV paint composite, consisting of by weight percentage:
Two functionality polyurethane acrylic resin 15-40 wt%
Polyfunctionality polyurethane acrylic resin 5-30 wt %
Diluting monomer 5-20 wt %
Thinner 30-60 wt %
Light trigger 1-5 wt %,
Wherein, the elongation of described two functionality polyurethane acrylic resins is greater than 100%.
The present invention also provides a kind of preparation method of UV paint composite, and the method comprises the steps:
(1) poly-to two functionality polyurethane acrylic resins, polyfunctionality polyurethane acrylic resin, diluting monomer and thinner are uniformly mixed to formation mixture;
(2) obtain UV paint composite to adding light trigger, flow agent to be uniformly mixed in the mixture of step (1);
Wherein, taking the gross weight of UV paint composite as benchmark, the content of two functionality polyurethane acrylic resins is 15-40 wt%, the content of polyfunctionality polyurethane acrylic resin is 5-30 wt %, the content of diluting monomer is 5-20 wt %, the content of thinner is 30-60 wt %, and the content of light trigger is 1-5 wt %.
UV paint corrosion resistance and good of the present invention, the product sharpness of border after decoration, meets the requirement of people to product appearance increasingly stringent.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of UV paint composite, consisting of by weight percentage:
Two functionality polyurethane acrylic resin 15-40 wt%
Polyfunctionality polyurethane acrylic resin 5-30 wt %
Diluting monomer 5-20 wt %
Thinner 30-60 wt %
Light trigger 1-5 wt %,
Wherein, the elongation of described two functionality polyurethane acrylic resins is greater than 100%.
The application of the higher resin of elongation in paint composite, has improved the toughness of paint, has reduced the fragility of paint, makes to paint neither too hard, nor too soft.After good performance is wiped free of part paint coating, retained part with clash portion boundary clear, can not produce sawtooth, ensure the good appearance of product.
Preferably, consisting of by weight percentage:
Two functionality polyurethane acrylic resin 19-34wt%
Polyfunctionality polyurethane acrylic resin 10-21 wt %
Diluting monomer 8-16 wt %
Thinner 35-50 wt %
Light trigger 2-4 wt %.
Preferably, the elongation of described two functionality polyurethane acrylic resins is 100-330%.Two described functionality polyurethane acrylic resins, can select CN965NS, CN9001NS, the CN9782 of Sartomer, UV-3520TL, the UV-3700B of Japanese synthetic chemistry, Changxing Chemical Industry Co Ltd 6113,6148J-75.More preferably in situation, select CN965NS, the UV-3520TL of Japanese synthetic chemistry, the 6148J-75 of Changxing Chemical Industry Co Ltd of Sartomer.
Preferably, the functionality of described polyfunctionality polyurethane acrylic resin is 3-7.Described multifunctional urethane acrylate, can select CN989, PRO30053, CN8001, the PRO30183 of Changxing 6158B-80,6147, Sartomer, UV-1400B, the UV-7640B of Japanese synthetic chemistry; More preferably in situation, select the UV-7640B of the CN989 Japan synthetic chemistry of Changxing 6158B-80, Sartomer.
Preferably, described diluting monomer is simple function group or polyfunctional group acrylic monomer.Can select Sartomer SR256, SR238, SR454, SR351, EM70, the EM223 of Changxing Chemical Industry Co Ltd, EM235.The more preferably mixture of SR256, EM223, SR454, usage ratio is 0.5-2:1-2:1-2, more preferably 1:1.5:1.5.
Preferably, described thinner is at least one in toluene, dimethylbenzene, ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), ethyl cellosolve acetate, pimelinketone and propyl carbinol.The more preferably mixture of butylacetate and propyl carbinol, usage ratio is 4-6:0.5-1.5; More preferably 5:1.
Preferably, described light trigger is 1-hydroxyl-cyclohexyl-phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone and 2,4,6(trimethylbenzoyl) at least one in diphenyl phosphine oxide.As Cibar184, Cibar1173, Cibar TPO, 369,819 etc., under preferable case, select Cibar184, Cibar1173.
Preferably, described UV composition also comprises flow agent, and taking the gross weight of UV composition as benchmark, the content of described flow agent is 0.1-5 wt %.More preferably in situation, select 0.3-3.0wt%.Described flow agent is polysiloxane-polyether copolymer, polyester-polysiloxane copolymers or fluorine-containing flow agent.Can be for example one or more in TGEO Glide 450, TGEO Glide 410, TEGO Flow 300, TGEO Glide 435, BYK 333, BYK 346, BYK 380.
The present invention also provides a kind of preparation method of UV paint composite, and the method comprises the steps:
(1) poly-to two functionality polyurethane acrylic resins, polyfunctionality polyurethane acrylic resin, diluting monomer and thinner are uniformly mixed to formation mixture;
(2) obtain UV paint composite to adding light trigger to be uniformly mixed in the mixture of step (1);
Wherein, taking the gross weight of UV paint composite as benchmark, the content of two functionality polyurethane acrylic resins is 15-40 wt%, the content of polyfunctionality polyurethane acrylic resin is 5-30 wt %, the content of diluting monomer is 5-20 wt %, the content of thinner is 30-60 wt %, and the content of light trigger is 1-5 wt %.
Preferably, the stirring velocity of described step (1) is 600-800r/min, and the time is 15-20min.
Preferably, the stirring velocity of described step (2) is 600-800r/min, and the time is 10-15min.
Preferably, be also included in add light trigger time add flow agent, taking the gross weight of UV composition as benchmark, the content of described flow agent is 0.1-5 wt %.
To be further detailed the present invention by specific embodiment below.
Embodiment 1
1, preparation paint
Use raw material as shown in table 1, be prepared as follows paint:
(1) weigh polyurethane acroleic acid fat and monomer, the thinner of closing mutually diluting effect, stirring at low speed 600r/min under high speed dispersor by the required quality of formula), the time is 20min;
(2) add the light trigger, the flow agent that have taken, continue to stir 800r/min under high speed dispersor, the time is 15min;
(3) stop stirring, standing froth breaking obtains UV paint A1.
2, application
Manual spray gun sprays: the compressed air pressure of spraying is controlled at 0.4-0.8MPa, and paint flow quantity is controlled at 0.8-1.3ml/s, and atomization spraying swath should be controlled between 15 °-30 °, and (spraying air pressure is too low, paints liquid atomization insufficient, and paint film is inhomogeneous; Spraying air pressure is when too high, and the atomization of paint liquid is good, but the loss of coating cloud excessive velocities paint vehicle strengthens) coating is filled in spray gun with 300 order filter cloths, spray gun is apart from the distance 0.10-0.30m that is sprayed object plane, and film thickness is 15 ± 5 microns.After having sprayed, at room temperature place 2 min, coating better levelling spreads on base material, then, under 60 DEG C of conditions, toast 10 min, (UV using in experiment solidifies Ji Shi Fusion company product to solidify machine with UV, adopt D type fluorescent tube, F300S light fixture and LC6B travelling belt) solidify time, be 3.0-5.0m/min in travelling belt linear velocity, energy is 1100-1400mJ/cm
2condition under carry out ultraviolet light polymerization, then leave standstill until sample temperature drops to room temperature, finally remove the coat of painting of PVD coating surface with non-dust cloth wiping, obtain the finished product S1.
Table 1
。
Embodiment 2-6
Prepare UV paint A2-A5 and sprayed product S2-S6 according to the method for embodiment 1.Difference is: UV paint ingredients and content are as table 1.
Comparative example 1
By the XPC 77082-P of PPG according to the method spray paint of above application.After having sprayed, at room temperature place 5min, then under 60 degrees Celsius, toast 10min.While solidifying with the curing machine of UV (UV using in experiment solidifies Ji Shi Fusion company product, adopts D type fluorescent tube, F300S light fixture and LC6B travelling belt), be 3.0-5.0m/min in travelling belt linear velocity, energy is 1100-1400mJ/cm
2condition under carry out ultraviolet light polymerization, then leave standstill until sample temperature drops to room temperature, finally remove the coat of painting of PVD coating surface with non-dust cloth wiping, obtain the finished product CS1.
Testing method and result
1) sticking power test testing standard: ISO 2409
Testing method: use the knife back of surgical knife at coating Shang Hua 12 road cuts, wherein at an angle of 90, to form from the teeth outwards grid, the length of side of grid is 1 millimeter at least two cuts and other cut.Guarantee that every cut is all cut to body material.Both direction along cut is respectively brushed 5 times with brush.3M adhesive tape (Dongguan Ao meter Ke company, adhesive tape model is 3M600) glue from the teeth outwards, with finger tip, wiping belt is tight, guarantee and the good contact of coating, tearing well-regulated adhesive tape opening off adhesive tape with the angle of 60 ° within 0.5-1 second in 5 minutes from the free end of adhesive tape.
Grade classification:
5B: the edge of otch is completely level and smooth, the square of grid does not all peel off;
4B: the area that peels off part is not more than and 5% of the adhesive tape area of Surface Contact;
3B: the area that peels off part is greater than and 5% of the adhesive tape area of Surface Contact, and is no more than 15%;
2B: the area that peels off part is greater than and 15% of the adhesive tape area of Surface Contact, and is no more than 35%;
1B: the area that peels off part is greater than and 35% of the adhesive tape area of Surface Contact, and is no more than 65%.
This test request adhesion performance >=3B.
The results are shown in Table 2.
2) matrix material border condition
Visual inspection has or not sawtooth, the results are shown in Table 2.
3) neutral salt spray test
Equipment salt spray testing machine PC240005, salt mist experiment test 48 hours visual inspection paint film colors, color and lusters have unchanged.If color, gloss are unchanged, be considered as by test.The results are shown in Table 2.
4) fixed temperature and humidity test
Testing method: by sample each placement 2 hours at-40 DEG C and 85 DEG C of each temperature, be one-period, be less than 10 seconds switching time, be less than 5 minutes time of recovery, totally 10 cycles, at room temperature recover after having tested 2 hours.Then observe sample situation.If paint film is without bubble after test, sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color changes, be considered as by test.The results are shown in Table 2.
5) thermal shock test
Testing method: by sample each placement 2 hours at-40 DEG C and 85 DEG C of each temperature, be one-period, be less than 10 seconds switching time, be less than 5 minutes time of recovery, totally 10 cycles, at room temperature recover after having tested 2 hours.Then observe sample situation.If paint film is without bubble after test, sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color changes, be considered as by test.The results are shown in Table 2.
Table 2
| ? | Sticking power | Border condition | Neutral salt spray | Fixed temperature and humidity | Thermal shock |
| S1 | 4B | Sharpness of border, without sawtooth | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color |
| S2 | 4B | Sharpness of border, without sawtooth | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color |
| S3 | 4B | Sharpness of border, without sawtooth | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color |
| S4 | 4B | Sharpness of border, without sawtooth | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color |
| S5 | 4B | Sharpness of border, without sawtooth | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, and test range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color |
| S6 | 4B | Sharpness of border, without sawtooth | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color |
| CS1 | 4B | There is obvious sawtooth on border | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color | Range estimation paint film is without bubble, after test sample without coating cracking, come off, the unusual phenomenon such as foaming, variable color |
As can be seen from Table 2, UV paint corrosion resistance and good of the present invention, the product sharpness of border after decoration, meets the requirement of people to product appearance increasingly stringent.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (14)
1. a UV paint composite, is characterized in that, consisting of by weight percentage:
Two functionality polyurethane acrylic resin 15-40 wt%
Polyfunctionality polyurethane acrylic resin 5-30 wt %
Diluting monomer 5-20 wt %
Thinner 30-60 wt %
Light trigger 1-5 wt %,
Wherein, the elongation of described two functionality polyurethane acrylic resins is greater than 100%.
2. UV paint composite according to claim 1, is characterized in that, consisting of by weight percentage:
Two functionality polyurethane acrylic resin 19-34wt%
Polyfunctionality polyurethane acrylic resin 10-21 wt %
Diluting monomer 8-16 wt %
Thinner 35-50 wt %
Light trigger 2-4 wt %.
3. UV paint composite according to claim 1, is characterized in that, the elongation of described two functionality polyurethane acrylic resins is 100-330%.
4. UV paint composite according to claim 1, is characterized in that, the functionality of described polyfunctionality polyurethane acrylic resin is 3-7.
5. UV paint composite according to claim 1, is characterized in that, described diluting monomer is simple function group or polyfunctional group acrylic monomer.
6. UV paint composite according to claim 5, is characterized in that, described diluting monomer is the mixture of SR256, EM223 and SR454, and the weight ratio of SR256, EM223 and SR454 is 0.5-2:1-2:1-2.
7. UV paint composite according to claim 1, is characterized in that, described thinner is at least one in toluene, dimethylbenzene, ethyl acetate, butylacetate, methyl iso-butyl ketone (MIBK), ethyl cellosolve acetate, pimelinketone and propyl carbinol.
8. UV paint composite according to claim 1; it is characterized in that; described light trigger is 1-hydroxyl-cyclohexyl-phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-acetone and 2,4,6(trimethylbenzoyl) at least one in diphenyl phosphine oxide.
9. UV paint composite according to claim 1, is characterized in that, described UV composition also comprises flow agent, and taking the gross weight of UV composition as benchmark, the content of described flow agent is 0.1-5 wt %.
10. UV paint composite according to claim 9, is characterized in that, described flow agent is polysiloxane-polyether copolymer, polyester-polysiloxane copolymers or fluorine-containing flow agent.
The preparation method of 11. 1 kinds of UV paint composites, is characterized in that, comprises the steps:
(1) poly-to two functionality polyurethane acrylic resins, polyfunctionality polyurethane acrylic resin, diluting monomer and thinner are uniformly mixed to formation mixture;
(2) obtain UV paint composite to adding light trigger to be uniformly mixed in the mixture of step (1);
Wherein, taking the gross weight of UV paint composite as benchmark, the content of two functionality polyurethane acrylic resins is 15-40 wt%, the content of polyfunctionality polyurethane acrylic resin is 5-30 wt %, the content of diluting monomer is 5-20 wt %, the content of thinner is 30-60 wt %, and the content of light trigger is 1-5 wt %.
12. preparation methods according to claim 11, is characterized in that, the stirring velocity of described step (1) is 600-800r/min, and the time is 15-20min.
13. preparation methods according to claim 11, is characterized in that, the stirring velocity of described step (2) is 600-800r/min, and the time is 10-15min.
14. preparation methods according to claim 11, is characterized in that, be also included in add light trigger time add flow agent, taking the gross weight of UV composition as benchmark, the content of described flow agent is 0.1-5 wt %.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479536A (en) * | 2014-11-28 | 2015-04-01 | 江门四方威凯精细化工有限公司 | Recoating ultraviolet curing coating capable of performing thick film construction and preparation method of recoating ultraviolet curing coating |
| CN107498896A (en) * | 2017-08-15 | 2017-12-22 | 珠海市春生五金工业有限公司 | The internal stress minimizing technology and method for paint spraying of plastic product |
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| CN1796478A (en) * | 2004-12-20 | 2006-07-05 | 比亚迪股份有限公司 | Coating material solidified by ultraviolet light and prepartion method |
| US20100260941A1 (en) * | 2009-04-08 | 2010-10-14 | Bayer Materialscience Llc | Reinforced uv-a curable composite compositions and methods |
| CN102079943A (en) * | 2009-11-28 | 2011-06-01 | 比亚迪股份有限公司 | Ultraviolet-cured coating composition and mobile phone key |
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2013
- 2013-05-20 CN CN201310187237.0A patent/CN104164179A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796478A (en) * | 2004-12-20 | 2006-07-05 | 比亚迪股份有限公司 | Coating material solidified by ultraviolet light and prepartion method |
| US20100260941A1 (en) * | 2009-04-08 | 2010-10-14 | Bayer Materialscience Llc | Reinforced uv-a curable composite compositions and methods |
| CN102079943A (en) * | 2009-11-28 | 2011-06-01 | 比亚迪股份有限公司 | Ultraviolet-cured coating composition and mobile phone key |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479536A (en) * | 2014-11-28 | 2015-04-01 | 江门四方威凯精细化工有限公司 | Recoating ultraviolet curing coating capable of performing thick film construction and preparation method of recoating ultraviolet curing coating |
| CN107498896A (en) * | 2017-08-15 | 2017-12-22 | 珠海市春生五金工业有限公司 | The internal stress minimizing technology and method for paint spraying of plastic product |
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