CN103923525B - The silk screen printing preparation method of bright black ink - Google Patents
The silk screen printing preparation method of bright black ink Download PDFInfo
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- CN103923525B CN103923525B CN201410181728.9A CN201410181728A CN103923525B CN 103923525 B CN103923525 B CN 103923525B CN 201410181728 A CN201410181728 A CN 201410181728A CN 103923525 B CN103923525 B CN 103923525B
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Abstract
The present invention relates to a kind of preparation method of silk screen printing bright black ink, it comprises the following steps: thinner and part mixed solvent fully mix with alr mode and dissolve by (1), obtained dispersion soln; (2) by pigment and dispersion soln, fully mix with alr mode and soak, obtained first mixed solution; (3) stiffening agent and remaining mixed solvent fully mixed with alr mode and dissolve, obtained second mixed solution; (4) by the first mixed solution, the second mixed solution, gloss oil, softening agent and optionally additive be fully mixed to get mixed liquor with alr mode; (5) adopt sand mill to grind mixed liquor, and obtain the ink that fineness is less than 5 μm.Adopt preparation method of the present invention, the surface tension of pigment and interlaminar resin can be reduced, improve their wettability, the grinding effect of ink can be strengthened, reduce jitter time, and make described ink have good brightness effect, and suitable viscosity.
Description
Technical field
The invention belongs to the technical field of printing-ink, in particular, the present invention relates to a kind of preparation method of silk screen printing bright black ink.
Background technology
Ink is the important materials for wrapping material printing, and pattern, the present stock curing ink of literal table are comprised main component and ancillary component by printing by it, and they mix equably and form the gluey fluid of a kind of viscosity through repeat-rolling.Printing-ink is by the pulpous state colloid of colorant, low-melting ink vehicle and the homogenize material such as auxiliary agent and solvent dispersing and mixing.The binder of solvent type ink is made up of solid resin and a large amount of volatile organic solvent.Solid resin is dissolved in after in solvent, is dispersed in by colorant in binder, and ink is printed to printed medium, the rapid volatile dry conjunctiva of solvent.
For ink, general expectation uses the aesthetic effect and the permanent printing characteristic kept that can produce on printed medium and show pleasant simultaneously.The example of these printing characteristics comprises press quality, as optical density (OD), colourity etc.; And weather resistance, as water tolerance, fade resistance, persistence, acidproof and alkaline-resisting etc.Plastisol ink composite is often referred to as plastisol ink, because the mode applied utilizes plastisol fluid properties before heating, causes the base resin in plastisol to be solidified into solid by baking or thermofixation.In prior art, most plastisol is dispersed in the softening agent based on phthalic ester and is occurred in the composition of swelling polyvinyl chloride (PVC) RESINS by it.Polyvinyl chloride (PVC) RESINS plastisol ink is widely used for screen printing operation.But due to the consideration of environment, health and safety, the use of these ink is subject to strict restriction just day by day.Therefore, under the prerequisite ensureing ink quality, develop performance identical with PVC plastisol, but there is less health and environmental risk; And good dispersity, ink that wettability is excellent and preparation method thereof becomes the target that those skilled in the art pursue.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, the object of the present invention is to provide a kind of preparation method of silk screen printing bright black ink.
In order to realize foregoing invention object, present invention employs following technical scheme:
The preparation method of silk screen printing bright black ink of the present invention, it comprises gloss oil, pigment, stiffening agent, softening agent, thinner and solvent, and optional additive; It is characterized in that: described preparation method comprises the following steps:
(1) thinner and part mixed solvent fully mixed with alr mode and dissolve, obtained dispersion soln;
(2) by the dispersion soln that pigment and step (1) prepare, fully mix with alr mode and soak, obtained first mixed solution;
(3) stiffening agent and remaining mixed solvent fully mixed with alr mode and dissolve, obtained second mixed solution;
(4) the second mixed solution that the first mixed solution step (1) obtained, step (2) obtain, gloss oil, softening agent and optionally additive be fully mixed to get mixed liquor with alr mode;
(5) mixed liquor that step (4) obtained adopts sand mill to grind, and obtains the ink that fineness is less than 5 μm.
Wherein, described softening agent is selected from one or more in epoxy soybean oil, Octyl adipate, triethyl citrate, citric acid glyceride or DEDB.
Wherein, described mixed solvent is made up of propyl carbinol, n-butyl acetate and acetone; And described propyl carbinol is 30 ~ 35 weight parts, n-butyl acetate is 15 ~ 20 weight parts, and acetone is 15 ~ 20 weight parts.
Wherein, described additive is selected from least one in wetting agent, brightening agent, antioxidant, whipping agent, stablizer or defoamer.
Specifically, described silk screen printing bright black ink, it is characterized in that: the Seiko 1000-800 gloss oil containing 20 ~ 25 weight parts, the black pigment of 74 ~ 76 weight parts, the transparent red pigment of 1.8 ~ 2.2 parts, the transparent blue pigment of 13.5 ~ 14.5 weight parts, the acrylic resin of 32.0 ~ 40.0 weight parts, the butylglycidyl ether of 35.0 ~ 42.0 weight parts, the softening agent of 8.0 ~ 10.0 weight parts, the mixed solvent of 75 ~ 80 weight parts; And optionally additive.
Described bright black ink adopts following methods to prepare, and described preparation method comprises the following steps:
(1) by the butylglycidyl ether of 35.0 ~ 42.0 weight parts, the mixed solvent of 30 ~ 35 weight parts fully mixes with alr mode and dissolves, obtained dispersion soln;
(2) by the black pigment of 74 ~ 76 weight parts, the transparent red pigment of 1.8 ~ 2.2 parts, the dispersion soln that the transparent blue pigment of 13.5 ~ 14.5 weight parts and step (1) prepare, fully mixes with alr mode and soaks, obtained first mixed solution;
(3) by the acrylic resin CP-1000E of 32.0 ~ 40.0 weight parts, the mixed solvent of 40 ~ 45 weight parts fully mixes with alr mode and dissolves, obtained second mixed solution;
(4) the second mixed solution that the first mixed solution step (2) obtained, step (3) obtain, Seiko 1000-800 gloss oil, optional additive and softening agent are fully mixed to get mixed liquor with alr mode;
(5) mixed liquor that step (4) obtained adopts sand mill to grind, and obtains the ink that fineness is less than 5 μm.
Wherein, described mixed solvent is made up of propyl carbinol, n-butyl acetate and acetone; And described propyl carbinol is 35 ~ 40 weight parts, n-butyl acetate is 15 ~ 20 weight parts, and acetone is 15 ~ 20 weight parts.
Wherein, described softening agent is selected from one or more in epoxy soybean oil, Octyl adipate, triethyl citrate, citric acid glyceride or DEDB.
Wherein, described plasticising ink also comprises additive, and described additive is selected from least one in wetting agent, brightening agent, antioxidant, whipping agent, stablizer or defoamer.
Wherein, the viscosity of described plasticising ink is about 10,000 ~ 100,000 centipoises.
Wherein, when the color of described plasticising ink represents with Lab color mode, the scope of the scope of L value to be the scope of 25.50 ~ 26.30, a value be-0.35 ~ 0.00, b value is-0.60 ~ 0.10.
Compared with prior art, silk screen printing bright black ink of the present invention has following beneficial effect:
(1) in ink of the present invention, not containing phthalic ester and polyvinyl chloride resin plasticiser; But its flowing property is suitable with prior art, and there is good preservation stability and good film-forming properties.
(2) adopt dispersing method of the present invention, the surface tension of pigment and interlaminar resin can be reduced, improve their wettability, the grinding effect of ink can be strengthened, reduce jitter time, and make described ink have good brightness effect, and suitable viscosity.
(3) ink of the present invention is particularly useful for the silk screen printing of glass, PMMA substrate surface, and after ink complete drying, tack is good, wear resistance good, substantially without oozing out phenomenon.
Embodiment
Below with reference to specific embodiment, silk screen printing bright black ink of the present invention and preparation method thereof is described further, has more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.What applicant needed to declare is the description of related materials in embodiment, performance and technique etc. is all exemplary, and does not refer to the restriction to invention protection domain.
Silk screen printing bright black ink of the present invention, Seiko 1000-800 gloss oil containing 20 ~ 25 weight parts, the black pigment of 74 ~ 76 weight parts, the transparent red pigment of 1.8 ~ 2.2 parts, the transparent blue pigment of 13.5 ~ 14.5 weight parts, the acrylic resin of 32.0 ~ 40.0 weight parts, the butylglycidyl ether of 35.0 ~ 42.0 weight parts, the epoxy soybean oil of 8.0 ~ 10.0 weight parts, the mixed solvent of 75 ~ 80 weight parts.Wherein, described mixed solvent is made up of propyl carbinol, n-butyl acetate and acetone; And described propyl carbinol is 35 ~ 40 weight parts, n-butyl acetate is 15 ~ 20 weight parts, and acetone is 15 ~ 20 weight parts.Further, described bright black ink adopts following methods to prepare, and described preparation method comprises the following steps:
(1) by the butylglycidyl ether of 35.0 ~ 42.0 weight parts, the mixed solvent of 30 ~ 35 weight parts fully mixes with alr mode and dissolves, obtained dispersion soln;
(2) by the black pigment of 74 ~ 76 weight parts, the transparent red pigment of 1.8 ~ 2.2 parts, the dispersion soln that the transparent blue pigment of 13.5 ~ 14.5 weight parts and step (1) prepare, fully mixes with alr mode and soaks, obtained first mixed solution;
(3) by the acrylic resin CP-1000E of 32.0 ~ 40.0 weight parts, the mixed solvent of 40 ~ 45 weight parts fully mixes with alr mode and dissolves, obtained second mixed solution;
(4) the second mixed solution, Seiko 1000-800 gloss oil and epoxy soybean oil that the first mixed solution step (2) obtained, step (3) obtain fully are mixed to get mixed liquor with alr mode;
(5) mixed liquor that step (4) obtained adopts sand mill to grind, and obtains the ink that fineness is less than 5 μm.
Embodiment 1
Silk screen printing described in the present embodiment bright black ink, the component containing following parts by weight:
The viscosity of described ink is about 50,000 ~ 80,000 centipoises; When the color of described plasticising ink represents with Lab color mode, the scope of the scope of L value to be the scope of 25.95, a value be-0.21, b value is-0.22.
Embodiment 2
Silk screen printing described in the present embodiment bright black ink, the component containing following parts by weight:
The viscosity of described ink is about 40,000 ~ 80,000 centipoises; When the color of described plasticising ink represents with Lab color mode, the scope of the scope of L value to be the scope of 25.95, a value be-0.21, b value is-0.22.
Embodiment 3
Silk screen printing described in the present embodiment bright black ink, the component containing following parts by weight:
The viscosity of described ink is about 3.0 ten thousand ~ 6.0 ten thousand centipoises; When the color of described plasticising ink represents with Lab color mode, the scope of the scope of L value to be the scope of 25.95, a value be-0.21, b value is-0.22.
Comparative example 1
Silk screen printing described in this comparative example bright black ink, the component containing following parts by weight:
Comparative example 2
Silk screen printing described in the present embodiment bright black ink, the component containing following parts by weight:
Except the softening agent adopted, the preparation method that comparative example adopts is identical with embodiment.Conventional method for printing screen is adopted to be printed on glass and PMMA base material by the ink described in embodiment 1-3 and comparative example 1-2; Then at the temperature of 120 ± 1 DEG C, first baking is carried out; Then at the temperature of 150 ± 1 DEG C, second baking is carried out; After ink complete drying, above-mentioned ink prints that the pattern adhesion property that obtains is stable, wear resistance is good, presents bright black.The each 20g of ink sample of Example 1-3 and comparative example 1-2 is placed in the thermostat container of 40 DEG C, detects ink sample stability in storage at elevated temperatures; Utilized probe to detect sample at interval of 12 hours, the time of silk screen printing cannot be carried out to determine sample to become enough thick, characterize the time of stability in storage.Result shows: the ink sample storage stability at an elevated temperature of embodiment of the present invention can reach 25-35 days, suitable with comparative example.
In the present invention; for the ordinary skill in the art described; specific embodiment is just to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (4)
1. the silk screen printing preparation method of bright black ink, described ink contains the Seiko 1000-800 gloss oil of 20 ~ 25 weight parts, the black pigment of 74 ~ 76 weight parts, the transparent red pigment of 1.8 ~ 2.2 weight parts, the transparent blue pigment of 13.5 ~ 14.5 weight parts, the acrylic resin of 32.0 ~ 40.0 weight parts, the butylglycidyl ether of 35.0 ~ 42.0 weight parts, the softening agent of 8.0 ~ 10.0 weight parts, the mixed solvent of 75 ~ 80 weight parts; And optionally additive; The viscosity of described ink is 10,000 ~ 100,000 centipoises; Described preparation method comprises the following steps:
(1) by the butylglycidyl ether of 35.0 ~ 42.0 weight parts, the mixed solvent of 30 ~ 35 weight parts fully mixes with alr mode and dissolves, obtained dispersion soln;
(2) by the black pigment of 74 ~ 76 weight parts, the transparent red pigment of 1.8 ~ 2.2 weight parts, the dispersion soln that the transparent blue pigment of 13.5 ~ 14.5 weight parts and step (1) prepare, fully mixes with alr mode and soaks, obtained first mixed solution;
(3) by the acrylic resin CP-1000E of 32.0 ~ 40.0 weight parts, the mixed solvent of 40 ~ 45 weight parts fully mixes with alr mode and dissolves, obtained second mixed solution;
(4) the second mixed solution that the first mixed solution step (2) obtained, step (3) obtain, Seiko 1000-800 gloss oil, optional additive and epoxy soybean oil are fully mixed to get mixed liquor with alr mode;
(5) mixed liquor that step (4) obtained adopts sand mill to grind, and obtains the ink that fineness is less than 5 μm.
2. preparation method according to claim 1, is characterized in that: described additive is selected from least one in wetting agent, brightening agent, antioxidant, stablizer or defoamer.
3. preparation method according to claim 1, is characterized in that: described mixed solvent is made up of propyl carbinol, n-butyl acetate and acetone; And described propyl carbinol is 35 ~ 40 weight parts, n-butyl acetate is 15 ~ 20 weight parts, and acetone is 15 ~ 20 weight parts.
4. the preparation method of silk screen printing bright black ink according to claim 1, it is characterized in that: when the color of described ink represents with Lab color mode, the scope of the scope of L value to be the scope of 25.50 ~ 26.30, a value be-0.35 ~ 0.00, b value is-0.60 ~ 0.10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410181728.9A CN103923525B (en) | 2014-04-30 | 2014-04-30 | The silk screen printing preparation method of bright black ink |
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| CN201410181728.9A CN103923525B (en) | 2014-04-30 | 2014-04-30 | The silk screen printing preparation method of bright black ink |
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| CN103923525A CN103923525A (en) | 2014-07-16 |
| CN103923525B true CN103923525B (en) | 2016-02-24 |
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| CN108485369A (en) * | 2018-03-23 | 2018-09-04 | 佛山市敏博电子有限公司 | Ink for screen printing and its manufacture craft |
| CN111500107A (en) * | 2020-06-17 | 2020-08-07 | 深圳市祥晖光电有限公司 | Silk-screen printing ink capable of enhancing color reflection effect, preparation method and printing method |
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| JP2005298468A (en) * | 2004-04-13 | 2005-10-27 | Yasuhara Chemical Co Ltd | High boiling point compound |
| JP2006182955A (en) * | 2004-12-28 | 2006-07-13 | Nippon Paint Co Ltd | Water-based curing type antifouling coating composition, antifouling coating film and underwater structure |
| CN103254689B (en) * | 2013-05-31 | 2014-07-02 | 苏州凹凸彩印厂 | Gravure ink for aluminium foil and preparation method of gravure ink |
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