CN103819962B - High resolving power water-based flexographic ink and preparation method thereof - Google Patents
High resolving power water-based flexographic ink and preparation method thereof Download PDFInfo
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- CN103819962B CN103819962B CN201410099108.0A CN201410099108A CN103819962B CN 103819962 B CN103819962 B CN 103819962B CN 201410099108 A CN201410099108 A CN 201410099108A CN 103819962 B CN103819962 B CN 103819962B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 230000004304 visual acuity Effects 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000002002 slurry Substances 0.000 claims abstract description 45
- 239000000049 pigment Substances 0.000 claims abstract description 30
- 239000000839 emulsion Substances 0.000 claims abstract description 26
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 14
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 14
- 239000013530 defoamer Substances 0.000 claims abstract description 13
- 239000004576 sand Substances 0.000 claims description 36
- 238000003801 milling Methods 0.000 claims description 27
- 239000002904 solvent Substances 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 16
- 238000010422 painting Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 5
- 238000007639 printing Methods 0.000 abstract description 13
- 239000003795 chemical substances by application Substances 0.000 abstract description 12
- 239000006185 dispersion Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000007645 offset printing Methods 0.000 abstract description 5
- 230000035807 sensation Effects 0.000 abstract description 5
- 238000009775 high-speed stirring Methods 0.000 description 7
- 230000008719 thickening Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 238000007774 anilox coating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 by claim 1 Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007647 flexography Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
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- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a kind of high resolving power water-based flexographic ink, comprise ink slurry and ACRYLIC EMULSION, it is characterized in that: described ink slurry comprises the following component of parts by weight: water-borne acrylic resin 20-30 part, pigment 30-60 part, dispersion agent 760W2-8 part, water 10-20 part, ethanol 10-15 part, defoamer 0.5-1 part.The invention also discloses the preparation method of this kind of ink.The amount of pigment strengthens by ink slurry of the present invention, meanwhile, adopts dispersion agent 760W, and heavy dose of pigment can well be disperseed, and ink stability is good, and tint permanence is good.More than resolving power netting twine 100 line can be reached, directly can print line plate, effect and offset printing similar.Can embody the stereoscopic sensation of the picture printed off, picture is exquisite, lively.And the present invention is water color ink.Meet national environmental protection policy.The printing effect of oil-based ink can be reached again simultaneously.
Description
Technical field
The invention belongs to ink area, particularly high-resolution water-based flexographic ink of one and preparation method thereof.
Background technology
Flexographic printing (flexography), also normal referred to as flexographic printing, use flexographic plate, transmit by anilox roller a kind of mode of printing that print executed by ink.Flexographic printing, forme generally adopts the photopolymer plate of thickness 1-5mm.Ink divides three major types, is water color ink, alcohol-soluble printing ink, UV ink respectively.Because flexographic printing ink used meets environmental protection, printed for food product pack in a large number at present, had a extensive future.Flexographic printing belongs to convex print type.
Traditional printing-ink is oil-based ink, in order to protection of the environment, and the water color ink of market development environmental protection in recent years.But the printing quality of current water color ink does not also reach the level of offset printing oil-based ink.
At present, water color ink is become to be grouped into auxiliary etc. by tinting material, binder usually, and tinting material is the present-color material of water color ink, to the certain color of ink, i.e. pigment, in flexo, for making trace beautiful in colour, the pigment that chemical stability is good, tinting strength is high generally selected by tinting material.Binder is water, resin, aminated compounds and other solvents, and resin is the important composition in water color ink, usually uses water-borne acrylic resin.In current water color ink, the content of pigment is only 10-15%, mainly embodies font and figure with lines form, is difficult to clear expression, can not embodies stereoscopic sensation to complex figure.Resolving power is only below netting twine 70 line.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of high-resolution water-based flexographic ink.Another object of the present invention is to the preparation method that this kind of water-based flexographic ink is provided.
In order to realize above-mentioned first object, technical scheme of the present invention is: a kind of high resolving power water-based flexographic ink, comprise ink slurry and ACRYLIC EMULSION, described ink slurry comprises the following component of parts by weight: water-borne acrylic resin 20-30 part, pigment 30-60 part, dispersion agent 760W2-8 part, water 10-20 part, ethanol 10-15 part, defoamer 0.5-1 part.
In technique scheme: the content of described ink slip is 60%-70%, the content of described ACRYLIC EMULSION is 20%-30%, and all the other are solvent.
In technique scheme: described solvent is water and ethanol.
As preferably: described ink slurry comprises the following component of parts by weight: water-borne acrylic resin 25-30 part, pigment 40-50 part, dispersion agent 760W4-6 part, water 15-20 part, ethanol 10-15 part, defoamer 1 part.
The amount of pigment strengthens by ink slurry of the present invention, meanwhile, adopts dispersion agent 760W, and heavy dose of pigment can well be disperseed, and adopt water-borne acrylic resin and ACRYLIC EMULSION to be caking agent, ink stability is good, and tint permanence is good simultaneously.More than resolving power netting twine 100 line can be reached, directly can print line plate, effect and offset printing similar.And the present invention is water color ink.Meet national environmental protection policy.The printing effect of oil-based ink can be reached again simultaneously.
With ink printing of the present invention exquisite carton out, can directly print on carton, once shaped.The picture printed off is thin, color good (tradition first carries out offset printing to facial tissue, and then papered on carton by facial tissue, production efficiency is low, and cost is high).The resolving power of high line number can also embody the stereoscopic sensation of the picture printed off, and picture is exquisite, lively.Production efficiency improves, and each carton of production cost can reduce 0.5-1 unit at present.
Another object of the present invention is achieved in that a kind of preparation method of high resolving power water-based flexographic ink, completes in accordance with the following steps:
(1) water-borne acrylic resin, by claim 1, pigment, dispersion agent 760W, water, ethanol and defoamer add in homogenizer pre-dispersed, make to mix;
(2), the slurry after pre-dispersed is added sand milling in sand mill;
(3) add ACRYLIC EMULSION in the slurry, after sand milling, be uniformly mixed, add solvent simultaneously and make the viscosity of ink be painting 4 flow cup 20-30s, described solvent is water and ethanol.
As preferably: in step (1): the stirring velocity of described homogenizer is that 1000-2000 turns/min.
As preferably: in step (2), the particle diameter of the slip after sand milling is less than 10um.
As preferably: in step (3), the content of described ink slip is 60%-70%, and the content of described ACRYLIC EMULSION is 20%-30%, and described solvent is the mixing of second alcohol and water.Preparation method of the present invention ensures that pigment disperses uniformly, can avoid ACRYLIC EMULSION breakdown of emulsion again.
Beneficial effect: the amount of pigment strengthens by ink slurry of the present invention, meanwhile, adopts dispersion agent 760W, and heavy dose of pigment can be well dispersed in water, and ink stability is good, and tint permanence is good.More than resolving power netting twine 100 line can be reached, directly can print line plate, effect and offset printing similar.Can embody the stereoscopic sensation of the picture printed off, picture is exquisite, lively.And the present invention is water color ink.Meet national environmental protection policy.The printing effect of oil-based ink can be reached again simultaneously.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further:
Embodiment 1
(1) the dispersion agent 760W2 part of, water-borne acrylic resin 20 parts, pigment 30 parts, Dow corning being produced, 20 parts, water, ethanol 10 parts and defoamer 1 part add in homogenizer pre-dispersed, stirring velocity is controlled by variable-frequency motor, first slowly stir, slurry is avoided to spill, then turn/speed the high-speed stirring of min with 1000-2000, make to mix;
(2), the slurry after pre-dispersed is added sand milling in sand mill; The particle diameter of the slip after sand milling is less than 10um.
(3) add ACRYLIC EMULSION in the slurry, after sand milling, wherein the quality of ACRYLIC EMULSION accounts for 20%, and the quality of slurry accounts for 70%, be uniformly mixed, add solvent makes the viscosity of ink be painting 4 flow cup 20-30s simultaneously, and described solvent is water and ethanol, and the volume ratio of water and ethanol is 2:1.Obtained ink pigment dispersing property is excellent, and good stability, places ink not thickening after month, do not unite, without the need to adding pH stablizer.
Embodiment 2
(1) the dispersion agent 760W8 part of, water-borne acrylic resin 30 parts, pigment 60 parts, Dow corning being produced, 15 parts, water, ethanol 10 parts and defoamer 0.5 part add in homogenizer pre-dispersed, stirring velocity is controlled by variable-frequency motor, first slowly stir, slurry is avoided to spill, then turn/speed the high-speed stirring of min with 1000-2000, make to mix;
(2), the slurry after pre-dispersed is added sand milling in sand mill; The particle diameter of the slip after sand milling is less than 10um.
(3) add ACRYLIC EMULSION in the slurry, after sand milling, wherein the amount of ACRYLIC EMULSION is 30%, and the amount of slurry is 60%, be uniformly mixed, add solvent makes the viscosity of ink be painting 4 flow cup 20-30s simultaneously, and described solvent is water and ethanol, and the volume ratio of water and ethanol is 1:1.Obtained ink pigment dispersing property is excellent, and good stability, places ink not thickening after month, do not unite, without the need to adding pH stablizer.
Embodiment 3
(1), water-borne acrylic resin 25 parts, pigment 50 parts, enlightening high score powder 760W6 part, 20 parts, water, ethanol 15 parts and defoamer 0.5 part are added in homogenizer pre-dispersed, stirring velocity is controlled by variable-frequency motor, first slowly stir, slurry is avoided to spill, then turn/speed the high-speed stirring of min with 1000-2000, make to mix;
(2), the slurry after pre-dispersed is added sand milling in sand mill; The particle diameter of the slip after sand milling is less than 10um.
(3) add ACRYLIC EMULSION in the slurry, after sand milling, wherein the amount of ACRYLIC EMULSION is 30%, and the amount of slurry is 60%, be uniformly mixed, add solvent makes the viscosity of ink be painting 4 flow cup 20-30s simultaneously, and described solvent is water and ethanol, and the volume ratio of water and ethanol is 2:1.Obtained ink pigment dispersing property is excellent, and good stability, places ink not thickening after month, do not unite, without the need to adding pH stablizer.
Embodiment 4
(1), water-borne acrylic resin 25 parts, pigment 50 parts, dispersion agent 18026 parts, 20 parts, water, ethanol 15 parts and defoamer 0.5 part are added in homogenizer pre-dispersed, stirring velocity is controlled by variable-frequency motor, first slowly stir, slurry is avoided to spill, then turn/speed the high-speed stirring of min with 1000-2000, make to mix;
(2), the slurry after pre-dispersed is added sand milling in sand mill; The particle diameter of the slip after sand milling is less than 10um.
(3) add ACRYLIC EMULSION in the slurry, after sand milling, wherein the amount of ACRYLIC EMULSION is 30%, and the amount of slurry is 60%, be uniformly mixed, add solvent makes the viscosity of ink be painting 4 flow cup 20-30s simultaneously, and described solvent is water and ethanol, and the volume ratio of water and ethanol is 2:1.Obtained ink pigment dispersing property is poor, in stability, places ink unity after one month, need add pH stablizer.
Embodiment 5
(1), water-borne acrylic resin 25 parts, pigment 50 parts, enlightening high score powder 752W6 part, 20 parts, water, ethanol 15 parts and defoamer 0.5 part are added in homogenizer pre-dispersed, stirring velocity is controlled by variable-frequency motor, first slowly stir, slurry is avoided to spill, then turn/speed the high-speed stirring of min with 1000-2000, make to mix;
(2), the slurry after pre-dispersed is added sand milling in sand mill; The particle diameter of the slip after sand milling is less than 10um.
(3) add ACRYLIC EMULSION in the slurry, after sand milling, wherein the amount of ACRYLIC EMULSION is 30%, and the amount of slurry is 60%, be uniformly mixed, add solvent makes the viscosity of ink be painting 4 flow cup 20-30s simultaneously, and described solvent is water and ethanol, and the volume ratio of water and ethanol is 2:1.Obtained ink pigment dispersing property is poor, in stability, places ink unity after one month, need add pH stablizer.
Embodiment 6
(1), water-borne acrylic resin 15 parts, pigment 25 parts, DOW CORNING dispersion agent 760W6 part, 20 parts, water, ethanol 15 parts and defoamer 0.5 part are added in homogenizer pre-dispersed, stirring velocity is controlled by variable-frequency motor, first slowly stir, slurry is avoided to spill, then turn/speed the high-speed stirring of min with 1000-2000, make to mix;
(2), the slurry after pre-dispersed is added sand milling in sand mill; The particle diameter of the slip after sand milling is less than 10um.
(3) add ACRYLIC EMULSION in the slurry, after sand milling, wherein the amount of ACRYLIC EMULSION is 30%, and the amount of slurry is 60%, be uniformly mixed, add solvent makes the viscosity of ink be painting 4 flow cup 20-30s simultaneously, and described solvent is water and ethanol, and the volume ratio of water and ethanol is 2:1.Obtained ink pigment dispersing property is excellent, and good stability, places ink not thickening after month, do not unite, without the need to adding pH stablizer.But resolving power can not reach more than netting twine 100 line, well can not embody the stereoscopic sensation of the picture printed off, printing effect is poor.
Embodiment 7
(1), maleic acid resin 25 parts, pigment 50 parts, enlightening high score powder 760W4 part, 20 parts, water, ethanol 15 parts and defoamer 0.5 part are added in homogenizer pre-dispersed, stirring velocity is controlled by variable-frequency motor, first slowly stir, slurry is avoided to spill, then turn/speed the high-speed stirring of min with 1000-2000, make to mix;
(2), the slurry after pre-dispersed is added sand milling in sand mill; The particle diameter of the slip after sand milling is less than 10um.
(3) add ACRYLIC EMULSION in the slurry, after sand milling, wherein the amount of ACRYLIC EMULSION is 30%, and the amount of slurry is 60%, be uniformly mixed, add solvent makes the viscosity of ink be painting 4 flow cup 20-30s simultaneously, and described solvent is water and ethanol, and the volume ratio of water and ethanol is 2:1.Obtained ink pigment dispersing property is excellent, and good stability, places ink not thickening after month, do not unite, without the need to adding pH stablizer.
In sum, adopt the combination in formula range of the present invention, good resolving power can be reached, be more than netting twine 100 line.Meanwhile, ink stability is good, and dispersion effect is good.As long as any combination in the present invention's formula, all falls within the scope of protection of the present invention.
Claims (7)
1. a high resolving power water-based flexographic ink, comprises ink slurry and ACRYLIC EMULSION, it is characterized in that: described ink slurry is made up of the following component of parts by weight: water-borne acrylic resin 25 parts, pigment 50 parts, enlightening high score powder 760W 6 parts, 20 parts, water, ethanol 15 parts, defoamer 0.5 part;
2. high resolving power water-based flexographic ink according to claim 1, it is characterized in that: the content of described ink slurry is 60%-70%, the content of described ACRYLIC EMULSION is 20%-30%, and all the other are solvent.
3. high resolving power water-based flexographic ink according to claim 2, is characterized in that: described solvent is water and ethanol.
4. a preparation method for high resolving power water-based flexographic ink, is characterized in that: complete in accordance with the following steps:
(1), according to the ratio of claim 1, water-borne acrylic resin, pigment, enlightening high score powder 760W, water, ethanol and defoamer are added in homogenizer pre-dispersed, make to mix;
(2), the slurry after pre-dispersed is added sand milling in sand mill;
(3) add ACRYLIC EMULSION in the slurry, after sand milling, be uniformly mixed, add solvent simultaneously and make the viscosity of ink be painting 4 flow cup 20-30s, described solvent is water and ethanol.
5. the preparation method of high resolving power water-based flexographic ink according to claim 4, is characterized in that: in step (1): the stirring velocity of described homogenizer is that 1000-2000 turns/min.
6. the preparation method of high resolving power water-based flexographic ink according to claim 4, it is characterized in that: in step (2), the particle diameter of the slurry after sand milling is less than 10 μm.
7. the preparation method of high resolving power water-based flexographic ink according to claim 4, it is characterized in that: in step (3), the content of described ink slurry is 60%-70%, and the content of described ACRYLIC EMULSION is 20%-30%, and described solvent is the mixing of second alcohol and water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410099108.0A CN103819962B (en) | 2014-03-18 | 2014-03-18 | High resolving power water-based flexographic ink and preparation method thereof |
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| CN201410099108.0A CN103819962B (en) | 2014-03-18 | 2014-03-18 | High resolving power water-based flexographic ink and preparation method thereof |
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| CN103819962A CN103819962A (en) | 2014-05-28 |
| CN103819962B true CN103819962B (en) | 2015-08-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11591482B2 (en) | 2017-07-20 | 2023-02-28 | Sun Chemical Corporation | High speed water-based inks containing alcohol tolerant latexes |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110760220A (en) * | 2019-11-29 | 2020-02-07 | 湖北淡雅香生物科技股份有限公司 | Flexographic water-based red ink composition and preparation method thereof |
| CN112175446A (en) * | 2020-11-16 | 2021-01-05 | 黄展才 | Preparation method of water-based flexographic printing ink |
| CN112480741A (en) * | 2020-11-27 | 2021-03-12 | 江苏唐彩新材料科技股份有限公司 | High-resolution aqueous flexographic printing ink |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328329A (en) * | 2007-06-22 | 2008-12-24 | 东莞市佳景印刷材料有限公司 | Aqueous flexible plate printing ink and preparation thereof |
| CN102093779A (en) * | 2010-12-31 | 2011-06-15 | 东莞市佳景印刷材料有限公司 | Environmental-protection water-based ink and preparation method thereof |
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| JP5811835B2 (en) * | 2011-03-29 | 2015-11-11 | 東洋インキＳｃホールディングス株式会社 | Printing ink composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328329A (en) * | 2007-06-22 | 2008-12-24 | 东莞市佳景印刷材料有限公司 | Aqueous flexible plate printing ink and preparation thereof |
| CN102093779A (en) * | 2010-12-31 | 2011-06-15 | 东莞市佳景印刷材料有限公司 | Environmental-protection water-based ink and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 凌云星等."水性柔性版油墨".《实用油墨技术指南》.2007,(第一版), * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11591482B2 (en) | 2017-07-20 | 2023-02-28 | Sun Chemical Corporation | High speed water-based inks containing alcohol tolerant latexes |
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