CN113942322A - Method for achieving standard of high light fastness of printing ink based on digital printer - Google Patents
Method for achieving standard of high light fastness of printing ink based on digital printer Download PDFInfo
- Publication number
- CN113942322A CN113942322A CN202111234943.7A CN202111234943A CN113942322A CN 113942322 A CN113942322 A CN 113942322A CN 202111234943 A CN202111234943 A CN 202111234943A CN 113942322 A CN113942322 A CN 113942322A
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- China
- Prior art keywords
- channel
- digital printer
- light fastness
- file
- ink
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007639 printing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 239000004611 light stabiliser Substances 0.000 claims abstract description 19
- 238000005303 weighing Methods 0.000 claims abstract description 4
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical group OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 10
- 150000001412 amines Chemical class 0.000 claims description 8
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 4
- 150000004056 anthraquinones Chemical group 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000012856 weighed raw material Substances 0.000 claims description 3
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000975 dye Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000001000 anthraquinone dye Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 238000007539 photo-oxidation reaction Methods 0.000 description 2
- 239000001007 phthalocyanine dye Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 150000002605 large molecules Chemical group 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Ink Jet (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a method for achieving the high light fastness standard of printing ink based on a digital printer, which comprises the following steps: weighing the following components in parts by weight: 50-60 parts of parent dye, 15-20 parts of ultraviolet resistant agent, 5-8 parts of light stabilizer and 10-20 parts of leveling agent; step two: opening a file to be printed in Photoshop software, copying a cyan channel in the file, reducing the original cyan channel by adding a curve below 40%, and deepening the level of the copied channel by adding a curve; step three: and opening the Ajet software, setting a channel in the Ajet software, importing the file and printing the file. The high-light-fastness printing ink is prepared from a parent dye, an ultraviolet-resistant agent, a light stabilizer and a leveling agent, a printed file is processed through Photoshop software, and the high-light-fastness standard of the digital printer is realized through multi-channel printing arranged in the Ajet software, so that the light fastness of the digital printer reaches more than four levels, and the light fastness of the digital printer is improved.
Description
Technical Field
The invention relates to the field of printing ink printing, in particular to a method for achieving the standard of high light fastness of printing ink based on a digital printer.
Background
Compared with the traditional gravure printing machine, the digital printing machine has the advantages of flexibility, rapidness and the like, can realize small-batch and multi-variety printing, and can print on different media, including metal plates, crystal materials, wood plates, glass plates, leather, cloth, stone materials and the like, but the digital printing machine has obvious defects, wherein the most defects are that the digital printing light fastness can not meet the requirement, the light fastness is the capability of not fading under the irradiation of sunlight and is also called the light fastness, the light fastness of the digital printing machine on the market is below three levels at present, and the requirement of high light fastness requirement can not be met, therefore, the digital printing machine-based method for enabling the high light fastness of the printing ink to reach the standard is provided.
Disclosure of Invention
The invention aims to provide a method for achieving the standard of high light fastness of ink based on a digital printer so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for achieving the standard of high light fastness of ink based on a digital printer comprises the following steps:
the method comprises the following steps: preparing ink, weighing the following components in parts by weight: 50-60 parts of parent dye, 15-20 parts of anti-ultraviolet agent, 5-8 parts of light stabilizer and 10-20 parts of leveling agent, grinding and stirring the weighed raw materials to obtain ink, and putting the obtained ink into a digital printer;
step two: processing by drawing software, namely opening a file to be printed in Photoshop software, copying a cyan channel in the file, reducing the original cyan channel by adding a curve below 40%, and deepening the hierarchy of the copied channel by adding a curve;
step three: and (3) setting digital printer software, opening the Ajet software, setting a channel in the Ajet software, and importing and printing a file after the setting is finished.
Preferably, in the first step, the parent dye is anthraquinone and phthalocyanine.
Preferably, in the first step, the ultraviolet inhibitor is 2-hydroxy-4-n-octoxybenzophenone.
Preferably, in step one, the light stabilizer is a polymeric high molecular weight hindered amine light stabilizer.
Preferably, in the step one, the leveling agent is a leveling agent FTS.
Preferably, in step two, the copied cyan channel is named, and may be named as "Lc channel".
Preferably, in the second step, the copied channel is added with a curve to deepen the hierarchy of the copied channel, and then the file needs to be stored, and a 'spot color' needs to be selected during storage.
Preferably, in step three, the channel setup is to add a channel after CMYK, and pick up "channel direct output".
Preferably, in step three, when the document is printed, the output direction is checked to "printer", and simultaneously "TIFF multi-channel printing" needs to be checked.
The invention has the technical effects and advantages that:
(1) the high-light-fastness printing ink is prepared from a parent dye, an ultraviolet-resistant agent, a light stabilizer and a leveling agent, a printed file is processed through Photoshop software, and the high-light-fastness standard of the digital printer is realized through multi-channel printing arranged in the Ajet software, so that the light fastness of the digital printer reaches more than four levels, and the light fastness of the digital printer is improved;
(2) the invention utilizes the setting of the ultraviolet resistant agent, and the ultraviolet resistant agent which takes the 2-hydroxy-4-n-octoxy benzophenone as the raw material can directly absorb the ultraviolet irradiated to the printing position of the printing ink and prevent the dye from being damaged by photooxidation, and the light fastness of the light color printing ink can be improved by about 0.5-1 grade through the ultraviolet resistant agent, thereby further improving the light fastness of the digital printer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for achieving the high light fastness standard of printing ink based on a digital printer, which comprises the following steps:
the method comprises the following steps: preparing ink, weighing the following components in parts by weight: the preparation method comprises the following steps of (1) grinding and stirring weighed raw materials to obtain ink, placing the obtained ink into a digital printer, and preparing high-sunlight ink by using the mother dye, the ultraviolet resistant agent, the light stabilizer and the leveling agent, wherein in the preparation process, the raw materials are required to be mixed for stirring pre-dispersion and grinding fine dispersion, the cohesion among the raw materials is overcome by using large mechanical pressure and shearing force, and finally the ink in a suspended colloid state is prepared;
step two: the method comprises the following steps of (1) processing drawing software, namely opening a file to be printed in Photoshop software, copying a cyan channel in the file, adding a curve below 40% of an original cyan channel to reduce the cyan channel, adding a curve to the copied channel to deepen the hierarchy of the copied channel, copying the cyan channel, and performing hierarchy reduction and deepening treatment on the copied channel and the copied channel respectively, so that the file to be printed is set, a finished product printed by a digital printer through the printed file has higher light fastness, and the requirement of high light fastness is met;
step three: the method comprises the following steps of setting digital printer software, opening the Ajet software, setting a channel in the Ajet software, importing a file and printing the file after the setting is finished, and enabling the finished product printed by the digital printer to have higher light fastness through the multichannel setting so as to meet the requirement of the product on high light fastness;
in the first step, the parent dye is anthraquinone and phthalocyanine dyes with parent structures, and the anthraquinone and phthalocyanine dyes with parent structures have good light fastness, so that the prepared ink has high light fastness;
in the first step, the ultraviolet resistant agent is 2-hydroxy-4-n-octoxy benzophenone, the ultraviolet resistant agent taking 2-hydroxy-4-n-octoxy benzophenone as a raw material is a high-efficiency anti-aging auxiliary agent with excellent performance, can absorb ultraviolet light of 340 nm, and has the characteristics of light color, no toxicity, good compatibility, small mobility, easy processing and the like, the light color ensures that the degree of influence of the added ultraviolet resistant agent on the color of the ink is very small, the non-toxicity ensures that the prepared ink can be more uniform due to good compatibility in daily clothes, the phenomenon of local precipitation in the ink can not occur, the light fastness of the ink after the ultraviolet resistant agent is added can be effectively improved, the ultraviolet resistant agent can absorb ultraviolet light irradiated on the ink after the ink is added, and the ink dye can be prevented from being damaged by photooxidation, the light fastness can be improved by about 0.5-1 grade in light-colored ink, but the technological requirement of the step of adding the ultraviolet resistant agent is higher, if the operation is not proper, the ink is easy to yellow and damage strongly, so the prepared ink needs to be tested, and the prepared ink can meet the requirement of high light fastness;
in the first step, the light stabilizer is a polymeric high molecular weight hindered amine light stabilizer, the polymeric high molecular weight hindered amine light stabilizer is a polymer which has good processing thermal stability and good compatibility with various resins, and the product is a high molecular weight compound and has good water extraction resistance, so that in the processing process and the using process, the water extraction resistance is good, the loss is not easy, the explanation effect of light, heat, climate and moisture on high polymers is effectively prevented, meanwhile, the polymeric high molecular weight hindered amine light stabilizer has more excellent performance than the low molecular weight hindered amine light stabilizer, meanwhile, the polymeric high molecular weight hindered amine light stabilizer is a white granular solid, the color influence degree on printing ink is very low, and the polymeric high molecular weight hindered amine light stabilizer is non-toxic, non-flammable, non-explosive, non-corrosive and good in stability, can also be used for contacting food, so that the application field of the prepared ink is very wide;
in the first step, the leveling agent is a leveling agent FTS, and the leveling agent FTS enables the prepared ink to be uniformly distributed, so that the digital printer can dye the ink uniformly when the digital printer is used for the ink, and defects such as color stripes and color spots cannot be generated;
in the second step, the copied cyan channel needs to be named and can be named as an 'Lc channel', and the copied channel can be named randomly;
in the second step, the copied channel is added with a curve to deepen the hierarchy of the copied channel, and then the file needs to be stored, and a 'spot color' needs to be selected during storage;
in the third step, the channel setting is specifically to add a channel after the CMYK, and select "channel direct output";
in the third step, when the file is printed, the printer is selected in the output direction, the TIFF multi-channel printing is required to be selected, the digital printer is dyed more uniformly by the multi-channel printing mode, and the finished product can meet the requirement of high light fastness.
The working principle of the invention is as follows: the high light fastness printing ink is prepared by utilizing a parent dye, an ultraviolet resistant agent, a light stabilizer and a leveling agent, wherein the ultraviolet resistant agent, the light stabilizer and the leveling agent greatly improve the light fastness of the prepared printing ink, a printed file is processed by Photoshop software, and the high light fastness standard of a digital printer is realized by multi-channel printing arranged in Ajet software, so that when the digital printer uses the printing ink, the light fastness of a printed product can reach more than four levels, and the requirement of the high light fastness is met.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A method for achieving the standard of high light fastness of ink based on a digital printer is characterized by comprising the following steps:
the method comprises the following steps: preparing ink, weighing the following components in parts by weight: 50-60 parts of parent dye, 15-20 parts of anti-ultraviolet agent, 5-8 parts of light stabilizer and 10-20 parts of leveling agent, grinding and stirring the weighed raw materials to obtain ink, and putting the obtained ink into a digital printer;
step two: processing by drawing software, namely opening a file to be printed in Photoshop software, copying a cyan channel in the file, reducing the original cyan channel by adding a curve below 40%, and deepening the hierarchy of the copied channel by adding a curve;
step three: and (3) setting digital printer software, opening the Ajet software, setting a channel in the Ajet software, and importing and printing a file after the setting is finished.
2. The method of claim 1, wherein in step one, the parent dye is anthraquinone and the phthalocyanine is a parent dye.
3. The method for achieving high light fastness of the ink based on the digital printer according to the claim 1, wherein in the step one, the ultraviolet resisting agent is 2-hydroxy-4-n-octoxybenzophenone.
4. The method for achieving high light fastness of the ink based on the digital printer according to the claim 1, characterized in that, in the step one, the light stabilizer is polymeric high molecular weight hindered amine light stabilizer.
5. The method for achieving high light fastness of the ink based on the digital printer according to the claim 1, characterized in that, in the step one, the leveling agent is a leveling agent FTS.
6. The method for achieving high light fastness of ink based on digital printer according to claim 1, wherein in the second step, the name of the duplicated cyan channel is named as "Lc channel".
7. The method for achieving the high light fastness of the ink based on the digital printer according to the claim 1, wherein in the second step, the copied channel is added with a curve to deepen the hierarchy, and then the file is required to be stored, and the 'spot color' is required to be selected when the file is stored.
8. The method for achieving high light fastness of ink based on digital printer according to claim 1, wherein in step three, the channel setting is to add one channel after CMYK and to select "channel direct output".
9. The method for achieving the high light fastness of the ink based on the digital printer according to the claim 1, is characterized in that in the third step, when the file is printed, the output direction is selected to 'printer', and the 'TIFF multi-channel printing' is selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234943.7A CN113942322A (en) | 2021-10-22 | 2021-10-22 | Method for achieving standard of high light fastness of printing ink based on digital printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234943.7A CN113942322A (en) | 2021-10-22 | 2021-10-22 | Method for achieving standard of high light fastness of printing ink based on digital printer |
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| Publication Number | Publication Date |
|---|---|
| CN113942322A true CN113942322A (en) | 2022-01-18 |
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Family Applications (1)
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|---|---|---|---|
| CN202111234943.7A Pending CN113942322A (en) | 2021-10-22 | 2021-10-22 | Method for achieving standard of high light fastness of printing ink based on digital printer |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1310533A2 (en) * | 2001-10-25 | 2003-05-14 | Agfa-Gevaert | Ink composition containing a particular type of dye, and corresponding ink jet printing process |
| CN101580646A (en) * | 2008-05-13 | 2009-11-18 | 珠海纳思达企业管理有限公司 | Weather-proof dye and application thereof |
| CN103192617A (en) * | 2013-04-03 | 2013-07-10 | 艾塔斯科技（镇江）有限公司 | Method for darkening X-ray image background and X-ray image printing system and printing method |
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| CN104480743A (en) * | 2014-11-28 | 2015-04-01 | 山东轻工职业学院 | Method for printing cotton T shirt by combining traditional tie dyeing and digital printing |
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-
2021
- 2021-10-22 CN CN202111234943.7A patent/CN113942322A/en active Pending
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Application publication date: 20220118 |