CN109720085A - A method of improving UV ink jet printing efficiency and quality - Google Patents
A method of improving UV ink jet printing efficiency and quality Download PDFInfo
- Publication number
- CN109720085A CN109720085A CN201711030342.8A CN201711030342A CN109720085A CN 109720085 A CN109720085 A CN 109720085A CN 201711030342 A CN201711030342 A CN 201711030342A CN 109720085 A CN109720085 A CN 109720085A
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- China
- Prior art keywords
- ink jet
- quality
- improving
- jet printing
- printing efficiency
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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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
Abstract
The invention discloses a kind of methods for improving UV ink jet printing efficiency and quality, after UV ink jet unit, in spray printing patterned surfaces covering thin transparent film, then carry out UV solidification, then remove transparent membrane, obtain smooth printed patterns.The present invention is after UV ink jet unit, in spray printing patterned surfaces covering thin transparent film, then carries out UV solidification, then removes transparent membrane, obtain smooth printed patterns.The available flat and smooth UV inkjet print image of method provided by the invention, surface cure is good, clear patterns, and UV ink jet printing efficiency and quality are promoted.
Description
Technical field
The invention belongs to photocuring technology fields, and in particular to a method of improve UV ink jet printing efficiency and quality.
Background technique
UV ink jet printing is currently generally acknowledged environment-friendly type mode of printing, is free of VOC, is had the advantages that energy saving, efficient.UV ink-jet
Printing is usually polychrome successively spray printing, subsequently into UV source region one-step solidification.But application in there are problems that two: 1. by
Ink droplet forms image, and pixel is present in substrate surface with dome-type, and granular sensation is heavier, and protrusion is high, rough, cannot reach tradition
Contact the image effect of printing smooth；2. low ink quantities print, due to oxygen inhibition effect, be not easy to solidify, in flying print and
It is more significant when using UV-LED light source.
Summary of the invention
The purpose of the present invention is aiming at the deficiencies in the prior art, provide a kind of raising UV ink jet printing efficiency and product
The method of matter.
The object of the present invention is achieved in the following manner:
A method of UV ink jet printing efficiency and quality are improved, after UV ink jet unit, is covered in spray printing patterned surfaces transparent
Then film carries out UV solidification, then removes transparent membrane, obtain smooth printed patterns.
The transparent membrane light saturating in UV light region crosses rate greater than 80%.
The transparent membrane light saturating in UV light region crosses rate greater than 90%.
The transparent membrane is PET, PC, PP, PE or PVC.
The one side of the transparent membrane covering spray printing pattern is coated with mould release.
After UV ink jet unit, before covering thin transparent film, it is pre- that low energy is carried out to spray printing pattern using low-power UV light source
Solidification.
The low-power UV light source is that light source power is less than or equal to 1W/cm2UV-LED light source.
The wavelength of the low-power UV light source is 365nm, 385nm or 395nm.
Compared with the existing technology, the present invention is after UV ink jet unit, in spray printing patterned surfaces covering thin transparent film, then into
Row UV solidification, transparent membrane is then removed, obtain smooth printed patterns.The available smooth light of method provided by the invention
Sliding UV inkjet print image, surface cure is good, clear patterns, and UV ink jet printing efficiency and quality are promoted.
Detailed description of the invention
Fig. 1 is covering film closed loop cycle form structure figure.
Fig. 2 is covering thin-film unreeling-winding, recycled structure chart.
Fig. 3 is the structure chart that precuring covers film again after ink-jet.
Fig. 4 is the form after covering film ink droplet is not used and solidifies.
Fig. 5 is the form using covering film ink droplet and after solidifying.
Wherein, 101 be UV inkjetrinting substrates；102 be light transmission film；201 be Nozzle At The Ingot Mold group；202 be that film circulation is covered
Lid arrangement；203 be UV light source；204 be low-power UV light source.
Specific embodiment
Mould release used is commercially available common mould release in the present invention.
UV inkjetrinting substrates 101 first by 201 ink-jet ink of Nozzle At The Ingot Mold group, form pattern, first by low-power UV light source 204
Precuring is carried out, then covers light transmission film 102 on pattern by film circulation cladding system 202, then carried out by UV light source 203
Solidification, is finally peeled away light transmission film 102, obtains the printing element 101 for being loaded with printed patterns.
Embodiment 1:
A method of UV ink jet printing efficiency and quality are improved, after UV ink jet unit, is covered in spray printing patterned surfaces transparent
Then film carries out UV solidification, then removes transparent membrane, obtain smooth printed patterns.
The transparent membrane light saturating in UV light region crosses rate greater than 80%.
The transparent membrane light saturating in UV light region crosses rate greater than 90%.
The transparent membrane is PET, PC, PP, PE or PVC.
The one side of the transparent membrane covering spray printing pattern is coated with mould release, and such transparent membrane and UV ink-jet ink are not
Easy adhesion can be completely exfoliated after the solidification of UV ink, improve the stripping performance of transparent membrane, so that transparent membrane can be recycled,
After completing covering, solidification, removing program, it can reuse.The recycling of transparent membrane can be closed using shown in FIG. 1
Ring circulation form can also be unreeled-be wound using shown in Fig. 2, recycled mode.
After UV ink jet unit, before covering thin transparent film, it is pre- that low energy is carried out to spray printing pattern using low-power UV light source
Solidification.
The low-power UV light source is that light source power is less than or equal to 1W/cm2UV-LED light source.
The wavelength of the low-power UV light source is 365nm, 385nm or 395nm.
Embodiment 2:
A method of UV ink jet printing efficiency and quality are improved, after UV ink jet unit, is covered in spray printing patterned surfaces transparent
Then film carries out UV solidification, then removes transparent membrane, obtain smooth printed patterns.Transparent membrane is in ultraviolet region
It is 82% that the saturating light in domain, which crosses rate, transparent membrane PET.
Embodiment 3:
A method of UV ink jet printing efficiency and quality are improved, after UV ink jet unit, is covered in spray printing patterned surfaces transparent
Then film carries out UV solidification, then removes transparent membrane, obtain smooth printed patterns.Transparent membrane is in ultraviolet region
It is 85% that the saturating light in domain, which crosses rate, transparent membrane PC, and the one side that transparent membrane covers spray printing pattern is coated with mould release, in this way, thoroughly
Bright film and UV ink-jet ink are not easy adhesion, can be completely exfoliated after the solidification of UV ink, improve the stripping performance of transparent membrane.
Embodiment 4:
A method of UV ink jet printing efficiency and quality are improved, after UV ink jet unit, is covered in spray printing patterned surfaces transparent
Then film carries out UV solidification, then removes transparent membrane, obtain smooth printed patterns.Transparent membrane is in ultraviolet region
It is 90% that the saturating light in domain, which crosses rate, transparent membrane PP, and the one side that transparent membrane covers spray printing pattern is coated with mould release, in this way, thoroughly
Bright film and UV ink-jet ink are not easy adhesion, can be completely exfoliated after the solidification of UV ink, improve the stripping performance of transparent membrane；In UV
After ink jet unit, before covering thin transparent film, low energy precuring, low-power UV are carried out to spray printing pattern using low-power UV light source
Light source is light source power 1W/cm2UV-LED light source, wavelength 365nm.
Embodiment 5:
A method of UV ink jet printing efficiency and quality are improved, after UV ink jet unit, is covered in spray printing patterned surfaces transparent
Then film carries out UV solidification, then removes transparent membrane, obtain smooth printed patterns.Transparent membrane is in ultraviolet region
It is 92% that the saturating light in domain, which crosses rate, transparent membrane PE, and the one side that transparent membrane covers spray printing pattern is coated with mould release, in this way, thoroughly
Bright film and UV ink-jet ink are not easy adhesion, can be completely exfoliated after the solidification of UV ink, improve the stripping performance of transparent membrane；In UV
After ink jet unit, before covering thin transparent film, low energy precuring, low-power UV are carried out to spray printing pattern using low-power UV light source
Light source is light source power 1.5W/cm2UV-LED light source, wavelength 385nm.
Embodiment 6:
A method of UV ink jet printing efficiency and quality are improved, after UV ink jet unit, is covered in spray printing patterned surfaces transparent
Then film carries out UV solidification, then removes transparent membrane, obtain smooth printed patterns.Transparent membrane is in ultraviolet region
It is 95% that the saturating light in domain, which crosses rate, transparent membrane PVC, and the one side that transparent membrane covers spray printing pattern is coated with mould release, in this way,
Transparent membrane and UV ink-jet ink are not easy adhesion, can be completely exfoliated after the solidification of UV ink, improve the stripping performance of transparent membrane；?
After UV ink jet unit, before covering thin transparent film, low energy precuring, low-power are carried out to spray printing pattern using low-power UV light source
UV light source is light source power 1.8W/cm2UV-LED light source, wavelength 395nm.
By embodiment 2-6, available flat and smooth UV inkjet print image (such as Fig. 5), surface cure is good, figure
Case is clear, and UV ink jet printing efficiency and quality are promoted.
Contrast effect
Film covering method of the present invention is not used, after UV ink cured, the medium ink amount part ink of pattern is in granular form (such as figure
4), surface gloss is lower.Simultaneously in high speed curable, when especially LED solidifies, pattern light-colored part, due to oxygen inhibition,
Surface cure deficiency easily occurs, pattern is easy to be wiped free of, or is stained with to upper layer substrate backside.
Method provided by the invention is applicable not only to UV ink jet printing, can be used in curing field, plays elimination oxygen
Polymerization inhibitor improves curing efficiency, improves coating appearance, promotes the effect of solidification effect.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention
Protection scope.
Claims (8)
1. a kind of method for improving UV ink jet printing efficiency and quality, it is characterised in that: after UV ink jet unit, in spray printing pattern
Then surface covering thin transparent film carries out UV solidification, then removes transparent membrane, obtain smooth printed patterns.
2. the method according to claim 1 for improving UV ink jet printing efficiency and quality, it is characterised in that: the thin transparent
The film light saturating in UV light region crosses rate greater than 80%.
3. the method according to claim 2 for improving UV ink jet printing efficiency and quality, it is characterised in that: the thin transparent
The film light saturating in UV light region crosses rate greater than 90%.
4. the method according to claim 1 for improving UV ink jet printing efficiency and quality, it is characterised in that: the thin transparent
Film is PET, PC, PP, PE or PVC.
5. the method according to claim 1 for improving UV ink jet printing efficiency and quality, it is characterised in that: the thin transparent
The one side that film covers spray printing pattern is coated with mould release.
6. the method according to claim 1 for improving UV ink jet printing efficiency and quality, it is characterised in that: in UV ink-jet list
After member, before covering thin transparent film, low energy precuring is carried out to spray printing pattern using low-power UV light source.
7. the method according to claim 6 for improving UV ink jet printing efficiency and quality, it is characterised in that: the low-power
UV light source is that light source power is less than or equal to 1W/cm2UV-LED light source.
8. the method according to claim 6 for improving UV ink jet printing efficiency and quality, it is characterised in that: the low-power
The wavelength of UV light source is 365nm, 385nm or 395nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711030342.8A CN109720085A (en) | 2017-10-27 | 2017-10-27 | A method of improving UV ink jet printing efficiency and quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711030342.8A CN109720085A (en) | 2017-10-27 | 2017-10-27 | A method of improving UV ink jet printing efficiency and quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109720085A true CN109720085A (en) | 2019-05-07 |
Family
ID=66291144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711030342.8A Pending CN109720085A (en) | 2017-10-27 | 2017-10-27 | A method of improving UV ink jet printing efficiency and quality |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1445099A (en) * | 2002-12-04 | 2003-10-01 | 伟诚实业（深圳）有限公司 | Hologram printing method of press system using flexible printing plate |
| JP2007283716A (en) * | 2006-04-19 | 2007-11-01 | Fujifilm Corp | Printing surface smoothing apparatus |
| CN101722754A (en) * | 2008-10-23 | 2010-06-09 | 施乐公司 | Apparatus for fixing a radiation-curable gel-ink image on a substrate |
| WO2017062857A1 (en) * | 2015-10-09 | 2017-04-13 | Indizen Optical Technologies of America, LLC | Smoothing of 3d printed lenses |
-
2017
- 2017-10-27 CN CN201711030342.8A patent/CN109720085A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1445099A (en) * | 2002-12-04 | 2003-10-01 | 伟诚实业（深圳）有限公司 | Hologram printing method of press system using flexible printing plate |
| JP2007283716A (en) * | 2006-04-19 | 2007-11-01 | Fujifilm Corp | Printing surface smoothing apparatus |
| CN101722754A (en) * | 2008-10-23 | 2010-06-09 | 施乐公司 | Apparatus for fixing a radiation-curable gel-ink image on a substrate |
| WO2017062857A1 (en) * | 2015-10-09 | 2017-04-13 | Indizen Optical Technologies of America, LLC | Smoothing of 3d printed lenses |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190507 |
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| RJ01 | Rejection of invention patent application after publication |