CN106915169A - The method of ink jet printing decoration on substrate - Google Patents
The method of ink jet printing decoration on substrate Download PDFInfo
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- CN106915169A CN106915169A CN201510996425.7A CN201510996425A CN106915169A CN 106915169 A CN106915169 A CN 106915169A CN 201510996425 A CN201510996425 A CN 201510996425A CN 106915169 A CN106915169 A CN 106915169A
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- 238000000034 method Methods 0.000 title claims abstract description 58
- 238000005034 decoration Methods 0.000 title claims abstract description 37
- 238000007641 inkjet printing Methods 0.000 title claims abstract description 37
- 239000000976 ink Substances 0.000 claims abstract description 187
- 239000002904 solvent Substances 0.000 claims abstract description 60
- 238000013007 heat curing Methods 0.000 claims abstract description 15
- 238000009835 boiling Methods 0.000 claims abstract description 14
- 238000001704 evaporation Methods 0.000 claims abstract description 13
- 239000003086 colorant Substances 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims description 31
- 238000007650 screen-printing Methods 0.000 claims description 17
- 238000010147 laser engraving Methods 0.000 claims description 12
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- 238000007596 consolidation process Methods 0.000 claims description 3
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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
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
-
- 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
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/007—Digital printing on surfaces other than ordinary paper on glass, ceramic, tiles, concrete, stones, etc.
-
- 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
- B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Toxicology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Disclose a kind of method of the decoration of the ink jet printing on substrate.A kind of method of the printed decoration on substrate includes the various inks of ink jet printing to form the layer with predetermined pattern on a surface of the substrate, and wherein each in various inks includes solvent and with different colors；The substrate is heated at least to evaporate a part for the solvent in each in various inks；And after a part for the solvent in each at least evaporating various inks the heat cure layer forming the decoration.The substrate is heated to a part for the solvent in each at least evaporated in various inks and the temperature of not fully cured various inks.The boiling point of the solvent in each in various inks is within mutual 10 DEG C.
Description
Technical field
This area is related to the method for the ink jet printing decoration on substrate.
Background technology
In recent years, for the consumer electronics with display, such as mobile phone, flat board and portable computing
There is explosive increase as the use of covering lens (cover lens) (also referred to as cover glass) in machine, glass.This blast
Property a part of reason be due in glass manufacturing process and composition improvement cause glass covering lens to damage resistance increase
Greatly.Glass covering lens also improve the sense of touch for touching display operation, while promoting the aesthstic attractive force (aesthetic of equipment
appeal)。
Glass covering lens generally have decoration thereon, for a variety of reasons.A kind of purposes of decoration is from user
Electronic building brick in the inside of eye-patching equipment.Another purposes of decoration be as by a kind of product or brand with it is another
The mark (logo) of difference.Decoration also is used as the icon (icon) of the position of the state or touch button of instruction equipment.Decoration
May be alternatively used for only promoting the aesthstic attractive force of equipment.
Decoration is typically in the form of the ink being covered on the surface of covering lens.In order to be applied to such use, ink
Water coating should keep adhesion and color under all environment of desired operation equipment.Coating should also be with the other functions of equipment
Compatibility, such as coating are thin enough so that extremely touching the component of display module and having without interference with the covering lens of equipment
Sufficiently high resistance is so that the function of the wireless antenna without interference with equipment.
Prior art is to use to be screen printed onto printed decoration on glass covering lens.For on substantial amounts of covering lens
Identical of repeating print is designed, and silk-screen printing is ripe process.However, being challenged in the presence of some on silk-screen printing.Due to print
The loss of tension force in abrasion and silk screen during brush in ink in the evaporation of solvent, silk screen emulsion and scraper plate (squeegee),
Screen printing process is often change.During printing, the environmental pollution of silk screen can prevent ink from sinking in the region of pollution
Product causes needle pore defect on substrate.Ink can be manually smeared by defective locations or by the printing in existing ink layer
The extra play of same ink is covering defect or re-work this by from peeling off part and peel off all inks and again print
A little pin holes.The risk of other defect is introduced during the cost and additional treatments that re-work each the increase manufacture in method.
Screen printing process is also limited to the type of the pattern that can be manufactured.When multiple color is smeared on lens are covered,
Each color must be printed in single layer, every layer solidifies between smearing.When this multiple step greatly extends total treatment
Between, increase the manufacturing cost of each extra play printing machine, and increase is attributed to the yield loss rate of extra process.These
Device designer available selection of the challenge limitation for the design of covering lens.So far, equipment covering lens typically have
The color different no more than six, generally only two to four different colors.The every kind of new color used in ornamental design
The new ink that needs must separately be smeared with other inks.The customization of needs slows down the completion from new design order to covering lens
Response time.Accordingly, it would be desirable to a kind of method that application has the decoration of multiple patterns and/or color, without traditional printing
The shortcoming of method (such as silk-screen printing).
The content of the invention
The theme of the disclosure be related to the various inks of ink jet printing with formed on a surface of a substrate decoration method and according to
The methods disclosed herein is printed with the substrate of decoration thereon.Decoration can be designed, indicate, signifying or other figures.
In some embodiments, decoration can be " real as photograph " figure, it appears that be real photo, drawing or picture.We
Method produces the decoration with high definition feature and provides the design spirit that traditional printing methods (such as silk-screen printing) are generally impossible to
Activity.
A kind of method of printed decoration includes：The various inks of ink jet printing are schemed with being formed on a surface of a substrate with predetermined
The layer of case, each in its ink inside includes solvent and with different colors；The substrate is heated at least to evaporate various ink
A part for solvent in each of water；And a part for the solvent in each at least evaporating various inks it
Heat cure layer afterwards, the wherein substrate be heated to the part of the solvent in each at least evaporating various inks without
The temperature of various inks is fully cured, and the boiling point of the solvent wherein in each of various inks is mutual 10
Within DEG C.In certain embodiments, the percentage by weight of the solvent in each of various inks be mutual 5% with
It is interior.
Inkjet printing process described herein has some advantages compared to the conventional method of silk-screen printing.Color inks spray
Penetrate printing and small ink droplets (on the order of magnitude of picoliters (picoliter)) are deposited on the base limited by drawing file
On position on plate, this ensures the highest possible utilization rate of printing ink.Unique loss is from ink nozzle in stopping state
Under releasing block and emptying when stay in ink tank in a small amount of ink.Bigger utilization rate reduction and decoration process phase
The material cost of association.
Another benefit is that colored ink-jet ink need not use preceding mixing heterogeneity, such as in screen printed inks
Base ink, curing agent and other additives in the case of water.In addition, ink is not via transmission medium (such as silk-screen printing feelings
Silk screen and scraper plate in condition) print.Additionally, color inks jet printing process can be in once passing through in ornamental patterns
Multiple color is produced, rather than a kind of each color.The relative percentage change of the ink droplets of each primary colors can be used
Color change and level are obtained with density, is such as indicated by printing software, understood from drawing file.In this way,
Ink-jet printing process can print number of colors, including real figure as photograph with pinpoint accuracy and rational cost,
The only limitation is that those can not be by the color (such as metal, the color that IR and UV is transparent) of ink injection.Ink injection mistake
These attributes of journey greatly reduce the type and quantity of the vessel for needing cleaning after the printing, reduce cleaning cost and sudden and violent
It is exposed to the cleaning solvent of danger.Operating personnel only can the wet ink of directly contact, if they touch solidification before wet printing
Ink surface if, this be it is severe forbid to ensure coating integrity and product quality.A couple of days or number with silk-screen printing
Week is compared, the need for without customization ink mixture and transmission medium is obtained in the case of, color inks jet printing can be
The prototype (prototype) of the new ornamental design from consumer is produced in no more than one day.Finally, can not be contaminated
The presence of silk screen, ink-jet printing is less susceptible to be damaged by by needle pore defect caused by environmental pollution.
Another benefit is that ratio can be by screen printing with the color coating thickness (1.5 μm to 5 μm) for solidifying for ink-jet printing
Brush obtain it is thin a lot, the edge for being screen printed onto printed patterns generally produces coating more than 8 μ m-thicks.Relatively thin coating with
Common downstream process in consumer electronics' display device component is more compatible, as described below.
And ink jet printing need not such as silk-screen printing situation the generation of each different colours, acquisition, printing
And solidification.It is more fine that the resolution ratio of ink jet printing figure can be obtained by silk-screen printing, because in the absence of in silk-screen printing
Misalignment problem between common single color layers (cyan, magenta, yellow and black layer).
It should be appreciated that foregoing general description and describing both in detail and be exemplary and aim to provide use afterwards
In the essence and the general survey or framework of characteristic that understand the disclosure required for protection.Included accompanying drawing is used to provide to the disclosure
Further understand, and be incorporated into this specification and constitute one part.Accompanying drawing shows each embodiment of the disclosure, and
It is used to explain principle and the operation of the disclosure together with specification.
Brief description of the drawings
The following is the explanation of picture in accompanying drawing.Accompanying drawing is not drawn necessarily to scale, and for clarity and conciseness, accompanying drawing
Some features and some views can proportionally or schematically be amplified.
Fig. 1 shows the first example process for the surface smear decorative coating to substrate.
Fig. 2 shows the exemplary ink jet device for the printed decoration on substrate.
Fig. 3 shows the real figure according to as the exemplary photograph of one or more embodiments printing.
Fig. 4 A show the ink jet layer with jagged edges according to one or more embodiments.
The laser reconditioning (trim) at the edge of ink layer on the substrate that Fig. 4 B show according to one or more embodiments.
Fig. 5 shows the second example process for the surface smear decorative coating to substrate.
Fig. 6 shows the 3rd example process for the surface smear decorative coating to substrate.
Fig. 7 shows the example mask with opening printed on substrate according to one or more embodiments.
Fig. 8 shows the mask of Fig. 7, and its split shed is filled with the color inks deposited according to one or more embodiments.
Fig. 9 A-9C show the real figure as the exemplary photograph of printing on the substrate for be heated to different temperatures.
Specific embodiment
In the following detailed description, numerous details are illustrated to provide the thorough understanding of each embodiment of this disclosure.
However, those skilled in the art will be clear that is, some or all for not having in these details can also put into practice the disclosure
Each embodiment.In other cases, well-known feature or process may be not described in order to avoid unnecessarily obscuring this
It is open.In addition, can be used similar or same reference to identify common or similar element.
Fig. 1 shows the example process for the printed decoration on substrate.The process includes step 10, and ink jet printing is various
, to form the layer with predetermined pattern on a surface of a substrate, each in its ink inside is comprising solvent and with difference for ink
Color；Step 12, heat the substrate with least evaporate various inks each in solvent a part；And step
14, the heat cure layer is forming decoration after the part at least evaporating the solvent.
Fig. 2 is the graphical representation of exemplary of the various inks (step 10) of ink jet printing.In certain embodiments, there is provided substrate 20
And various ink jets can be printed on the surface 22 of substrate 20 from the form of the liquid 24 of ink jet printing head 26 since.
In some embodiments, substrate 20 can be made of clear material, including but not limited to glass, melting silica, synthetic quartz,
The crystalline material of glass ceramics, ceramics and such as sapphire etc.In certain embodiments, substrate can be to from about 390nm
At least one of scope to about 700nm wavelength is transparent.In certain embodiments, substrate transmissive is from about
At least one of the scope of 390nm to about 700nm wavelength at least 70%, at least 75%, at least 80%, at least 85%,
Or at least 90%.In certain embodiments, substrate 20 can be opaque material, including but not limited to opaque ceramic or glass
Ceramics, metal, metal oxide or polymer.In certain embodiments, substrate 20 can be that glass and glass may include containing alkali
Glass, alkali-free glass (such as alkali-free alkalescence aluminium borosilicate glass, alkali-free alkaline
Aluminoborosilicate glass) or laminated glazing piece with the layer containing different glass composition.In some embodiments
In, substrate 20 can be glass, and the glass can be reinforced chemically, such as by ion exchange process, wherein by having
The larger ion of identical chemical valence or oxidation state replaces the ion in the superficial layer of the glass.In a particular embodiment, table
Ion and larger ion in surface layer are monovalence alkali metal cation, such as Li+ (when being present in glass), Na+, K+, Rb+
And Cs+.Thus, for example, the Na+ being present in glass can be replaced with larger K+ ions.Ion exchange process in glass article or
Compression stress is created at the surface of glass substrate piece.These compression stresses are below the surface of glass article or glass substrate piece
Certain depth is extended to, is referred to as the depth (DOL) of layer.Compression can be balanced by the layer of tensile stress (referred to as center tension) should
Power causes that the net impact in glass article or glass substrate piece is zero.Shape of the compression stress at the surface of the glass article of shaping
Into make glass firm and withstanding mechanical destroy, and in this way, reduce shaping glass article because not via layer depth extension
Flaw and damaging for being subjected to.
In certain embodiments, each in multiple ink-jet inks may include pigment paste, one or more solvents and/or
One or more resins.In certain embodiments, multiple ink-jet inks may include additional additive, such as flow promoter
And degasser.In certain embodiments, each in multiple ink-jet inks can have different colors.Color may include green grass or young crops
Color, light cyan (for example, the ink with green pigment more less than cyan), pinkish red, shallow magenta are (for example, have more less than magenta
The ink of magenta pigment), yellow and black, other colors may include white, somber (for example, having black face more less than black
The ink of material) and it is simple black (for example, with the ink than black and the less black pigment of light/dark balance).It is suitable to herein
The exemplary ink jet ink for using in the disclosed process includes " Inkjet Ink that on March 20th, 2015 submits to and entitled
Composition, Ink Coating Method, and Coated Article (ink-jet ink composition, ink coating method and
The article of coating) " joint patent No.62/135, the ink-jet ink described in 864, it is incorporated by reference in its entirety.
Ink jet printing head 26 can be conventional ink jet printer head (for example those can be obtained from Epson) and can connect
By the box (cartridge) of multiple ink-jet ink colors.Ink-jet printer for printed design can be any appropriate number
Word ink-jet platform (flatbed) printing machine.For example, using the digital ink-jet that can be obtained from 3MacJet Technology Co., Ltd.
Flatbed press successfully makes ink on the surface.Ink jet printing head 26 according to it is desired design and along surface 20
The drop (on the order of magnitude of picoliters) of deposited ink 24 on surface 22 at movable position (as indicated by arrow 27).
In certain embodiments, the drop of ink 24 has the volume in the range of from about 1.5 picoliters to about 7 picoliters.At some
In embodiment, ink-jet print is carried out in the form of the drop that enough volumes of the drop that falls of the diameter with least 50 μm are formed on substrate
Brush various inks.In certain embodiments, selection ink jet printing parameter causes that ink layer has from 1.5 μm to 5 μ after solidification
Thickness in m or 1.5 μm to 3 μm of scope.Ink jet printing can be arrived in ± 0.15 μm thickness control (solidify and dry).It is this
Shallow layer is more compatible with the downstream process in consumer's display module, and the downstream process generally needs 5 μm or smaller ink
Thickness.One this downstream process is lamination of the film of antireflection, anti-division or coating ITO on substrate, wherein relatively thin ink
The risk of the bubble between water coating reduction ink edge film and substrate.Another process is covering lens and the shake-up of printing
The direct conjugative component of display module, wherein the risk of relatively thin coating reduction ink edge bubble and filling are by decoration ink
The amount of the optical clarity adhesive needed for the space that the thickness of water is created.
In certain embodiments, appropriate graphics software is can be used with the restriction of the desired design of shape and colored forms
Prepare and be stored in drawing file.Then drawing file can be uploaded to ink-jet printer on the surface 22 of substrate 20
Upper printing.
In step 12, heating substrate 20 with least evaporate the part of the solvent in each in various inks without
Ink is fully cured.The part at least evaporating the solvent in each in various inks before curing secures ink jet fluid
Ink-jet drop flowing on the surface 22 is dripped and/or minimized so as to minimize the merging of ink-jet drop, thus minimize printing
The loss of pattern intermediate-resolution.In certain embodiments, before the various inks of ink jet printing that can be in step 10, period and/
Or substrate 20 is heated afterwards.In certain embodiments, routine techniques can be used to heat substrate 20, the use of such as heating plate.
In certain embodiments, can be with from about 30 DEG C to about 70 DEG C, 30 DEG C to about 60 DEG C, 30 DEG C to about 50 DEG C, 30 DEG C
Arrived to about 40 DEG C, 40 DEG C to about 70 DEG C, 40 DEG C to about 60 DEG C, 40 DEG C to about 50 DEG C, 50 DEG C to about 70 DEG C, 50 DEG C
Temperature heating substrate 20 in about 60 DEG C or 60 DEG C to about 70 DEG C of scope.In certain embodiments, it is allowed to which solvent is being held
Row heat cure (step 14) evaporation at least about 15 seconds, at least about 20 seconds, at least about 25 seconds, at least about 30 seconds before,
At least about 35 seconds, at least about 40 seconds, at least about 45 seconds, at least about 50 seconds, at least about 55 seconds or at least about 1
Minute.In certain embodiments, before curing in evaporation solvent each at least about 40%, at least about 45%,
At least about 50%, at least about 55%, at least about 60%, at least about 65%, at least about 70%, at least about 75%
Or more.In certain embodiments, in each in various inks solvent or the mixture of solvent has similar volatilization
Property, so that the mixture of the solvent or solvent in each in various inks is evaporated with similar speed.At some
In embodiment, can by make in various inks each there is following solvent obtain similar volatility：(1) solvent tool
Have a boiling point, within 10 DEG C of solvent of the boiling point in each of other various inks and/or (2) solvent in the ink
With a percentage by weight, the 5% of the percentage by weight of solvent of the percentage by weight in each of other various inks
Within.This is not excluded for one or more the various inks for having more than a kind of solvent.Meet the exemplary ink of the two requirements
Group will be：First ink, with 50 DEG C of boiling points and the weight for constituting first ink 5% solvent；Second ink, has
55 DEG C of boiling point and constitute second ink weight 7.5% solvent；And the 3rd ink, with 60 DEG C of boiling point and structure
Into the 10% of the weight of the 3rd ink the 3rd ink.In certain embodiments, each in various inks can have two
Kind, three kinds, four kinds or more of solvent, wherein for each in various inks, can be molten in various inks by making
Each in agent has following requirements to obtain similar volatility：(1) with a boiling point, the boiling point is in other various inks
Each in 10 DEG C of solvent within and/or (2) there is a percentage by weight in the ink, the percentage by weight is at other
Within the 5% of the percentage by weight of the solvent in each of various inks.For example, when each in various inks at least has
When having the first solvent and the second solvent, the boiling point of the first solvent of each in (1) various inks mutual 10 DEG C with
The interior and boiling point of the second solvent of each in various inks is within mutual 10 DEG C and/or in (2) various inks
Each in the first solvent each within mutual 5% and in various inks of percentage by weight in second
The percentage by weight of solvent is within mutual 5%.In certain embodiments, have in each in various inks various
Solvent can help control evaporation rate so that ink will not evaporate too fast so that inkjet dispenser will not block and
Ink will not evaporate too slow so that ink is not fixed and is allowed to be spread on substrate, thus reduces the resolution of pattern
Rate.
At step 14, ink layer is thermally cured the fully crosslinked of resin in ink coating.If in heating stepses 12
Volatile ingredient (such as solvent) is still in ink layer afterwards, then the volatile ingredient is distillated into ink during curing
The adhesion of layer, this appropriate hardening that will ensure that coating and coating and substrate surface.In certain embodiments, can be by convection current
Expose baking in stove or infra-red furnace to obtain heat cure, in certain embodiments, heat cure occurs higher than heating stepses 12
Temperature at.In certain embodiments, heat cure occurs from about 150 DEG C to about 250 DEG C, from about 150 DEG C to about
225 DEG C, from about 150 DEG C to about 200 DEG C, from about 150 DEG C to about 175 DEG C, from about 175 DEG C to about 250 DEG C, from
About 175 DEG C to about 225 DEG C, from about 175 DEG C to about 200 DEG C, from about 200 DEG C to about 250 DEG C, from about 200
At the temperature in scope DEG C to about 225 DEG C or from about 225 DEG C to about 250 DEG C.In certain embodiments, heat cure
Duration can between about 1 minute to about 30 minutes, between about 1 minute to about 25 minutes, about 1 minute to big
Between about 20 minutes, between about 1 minute to about 15 minutes, between about 1 minute to about 10 minutes, arrive within about 1 minute
Between about 5 minutes, between about 5 minutes to about 30 minutes, between about 5 minutes to about 25 minutes, arrive within about 5 minutes
Between about 20 minutes, between about 5 minutes to about 15 minutes, between about 5 minutes to about 10 minutes, about 10 minutes
Between by about 30 minutes, between about 10 minutes to about 25 minutes, between about 10 minutes to about 20 minutes, about 10
Between minute to about 15 minutes, between about 15 minutes to about 30 minutes, between about 15 minutes to about 25 minutes, greatly
Between about 15 minutes to about 20 minutes, between about 20 minutes to about 30 minutes, about 20 minutes to about 25 minutes it
Between or between about 25 minutes to about 30 minutes.In certain embodiments, after heat cure ink, ink layer have 4B or
The bigger adhesion with substrate 20, such as uses the Gardco intersecting hachures according to ASTM D3359-09e2 (and its offspring)
(cross-hatch) adhesion instrument is measured, and it is incorporated by reference in its entirety.In certain embodiments, in order to promote
The adhesion of ink and substrate, is similar for the thermal coefficient of expansion of each (CTE) in substrate and various inks.
The step of heat cure 14, causes the formation of decoration.As described above, decoration can be designed, indicate, signifying or other
Figure.In certain embodiments, decoration can be " real as photograph " figure, it appears that be real photo, drawing or figure
Draw.Fig. 3 is exemplary " real as photograph " figure.Substrate 20 with ink jet printing decoration can be incorporated into electronic equipment
In (such as mobile device), such as part as cover glass/substrate or the part as shell.
In Fig. 1 describe process be merely exemplary and may include additional step, such as clean substrate, give
Substrate is primed, laser engraving ink layer and/or printing extra play (before or after step 10), retouch in further detail as follows
State.In certain embodiments, on the surface 22 before ink jet printing, substrate 20 can be cleaned may interfere with ink deposition with removal
With any surface contamination of adhesion.Additionally, in certain embodiments, bottom can be smeared in the forward surface 22 of the deposition of ink and applied
Expect the adhesion with auxiliary ink and substrate 22.Primer materials should with the baseplate material on surface 22 have good adhesion with
And adhere to the appropriate surface of offer with it for ink.In other embodiments, ink be applied directly to surface 22 (for example without
Need the advance smearing of subbing).
In certain embodiments, after thermal cure step 14, there may be additional treatment, the step of such as laser engraving
Suddenly.Ink jet coatings generally have jagged edges, and this is because drop is in the overlap of the edge of coating.Fig. 4 A are from ink jet coatings
Printed edge quality MIcrosope image, wherein there is jagged edges 25, usual 50 to 100 μm on width.In some realities
Apply in example, laser engraving can be used for pruning jagged edges, such as described in total U.S. Publication No.2015/0103123,
It is incorporated by reference in its entirety.In laser engraving, lasing light emitter be used to make laser energy (" laser ") focus on material
Selected section on.In this case, material will be the ink layer on substrate surface.Fig. 4 B are shown to have and are printed with the shape of ring
Ink layer 28 surface 22 exemplary substrate 20.The shade of the different piece of ring indicates different ink colors.Laser energy
Amount can be focused onto the zonule of ink coating, such as, in the perimeter of ink layer 28, zigzag printing defects are located therein.
In certain embodiments, laser can diametrically have from about 20 μm to the spot size in 100 μm of scope.In some realities
Apply in example, spot size can diametrically be less than 100 μm or diametrically be less than 60 μm.Laser engraving machine is received from drawing file
Expect the restriction of decoration.For laser engraving, it is not necessary to the colouring information of decoration.As shown in Figure 4 B, laser engraving machine is used
Received design limiting is by along inner side and outer side edge 28a, 28b guiding laser 29 of ink layer 28.Laser energy will
A small amount of material at inner side and outer side edge of the burning from ink coating, for example, can burn 50 to 100 μm in ink coating
Width, leaves (crisp) inner side and outer side edge of curling without any jagged edges.
When laser engraving is used to remove a part for ink jet coatings, it is right that 5 μm or smaller of shallow layer can also be minimized
The damage of underlying substrate.Ink jet coatings are thicker, and more heat are produced during laser engraving, thus increase the heat to underlying substrate
Exposure, the underlying substrate can be damaged by heat exposure in some cases.One example of the substrate that can be damaged by heat exposure is to add
Solid glass substrate, such as glass substrate of ion exchange, chemical consolidation.
Laser for laser engraving must have by ink layer 28 rather than the wavelength absorbed by the strength of substrate 20.Cause
This, the material of substrate and ink coating can be the factor for determining used laser.Compared with substrate 20, with by ink
The laser of the more wavelength that strength absorbs of layer 28 can be advantageous for the damage for minimizing or avoiding to underlying substrate.If substrate
20 absorb laser wavelength, then it may damage substrate 20 light attribute (transmissivity and/or reflectivity of such as substrate) and
Mechanical attributes (for example, the mechanical strength of substrate, the tolerance of fracture and/or compression stress).For example, laser can be had
The infrared laser of the wavelength in scope from 700nm to 1mm, the green with the wavelength in the scope from 495nm to 570nm swash
Light or the UV laser with the wavelength in the scope from 10nm to 380nm.In certain embodiments, laser power and/or density can
It is conditioned or defocuses to avoid the damage to underlying substrate.The Gaussian properties of the power distribution in LASER SPECKLE can be carved along laser
The edge of needle drawing case creates the band of the ink layer of a dim moieties burn away, and the ink layer is still strongly adherent to substrate table
Face.In certain embodiments, the thickness of this band can be minimized.
In certain embodiments, for example it is shown in Figure 5, this process may include step 10 (ink jet printing), 12 (heating with
Evaporation) and 14 (heat cures), such as referring to Fig. 1 mentioned above, and the printing that this process may also include after step 14 is filled
The additional step 16 of the supplementary features of decorations.According to desired decoration functions and attribute, additional ink can be on the base plate 20 deposited
Layer is completing decorative pattern.In one or more embodiments, additional ink layer can be applied by ink jet printing, such as in addition
It is described herein.In other embodiments, can be by the method different from ink jet printing come using additional ink layer.Example
Such as, some Art Designs need transparent white background to fully demonstrate the briliancy (brilliance) of color, and this can be by silk
Wire mark brush and more efficiently obtained than ink jet printing.Some ink features (the transparent coating of such as metallochrome or IR/UV) one
As can not be obtained by ink jet printing.These supplementary features can be used existing course of industrialization (such as silk-screen printing, impressing
(pad printing) or film transfer (film transfer)) print.
In certain embodiments, for example it is shown in figure 6, this process may include step 10 (ink jet printing), 12 (heating with
Evaporation) and 14 (heat cures), such as referring to Fig. 1 mentioned above, and before this process may also include inkjet printing step 10
The mask of printing ink on the base plate 20 additional step 8.In certain embodiments, as shown in fig. 7, ink mask 30 can be printed
On the surface 22 of substrate 20, the ink mask 30 has opening 32 to brush, and the opening 32 limits many for depositing in step 10
Plant the pattern of ink-jet ink.Opening 32 can be arbitrary shape.In the figure 7, opening 32 spells out the words " polychrome "
Letter, but it is merely exemplary.In certain embodiments, in usable total U.S. Publication No.2015/0103123
By controlling, ink is deposited disclosed method and the combination of laser engraving come ink-jet printing inks mask 30 and forms opening 32,
It is incorporated by reference in its entirety.In other embodiments, the biography of such as silk-screen printing, impressing or film transfer etc can be used
System method carrys out printing ink mask 30.In certain embodiments, ink mask 30 can be black.In certain embodiments,
As shown in figure 8, once ink mask 30 is cured (use Conventional ultraviolet or heat curing techniques according to ink), step 10 can
Proceed to the opening 32 filled with color inks 34 in ink mask 30.For example shown in Fig. 8, each in opening 32 can quilt
The different color inks of filling, as shown in for different slanted bar (hashmark) pattern of each letter.This is only example
Property.In other embodiments, one or more be filled identical color inks in opening 32.
Example
Figure is ink-jet printed on multiple glass substrates, wherein evaporating the solvent in ink different temperatures is heated to
Substrate on the ink jet printing figure.A part for gained figure is shown without heating first substrate and in figure 9 a.With from 50
DEG C to 60 DEG C scope heating second substrate and show in figures 9 b and 9 gained figure.3rd substrate be heated to more than 70 DEG C and
Gained figure is shown in Fig. 9 C.It was found that the temperature that change glass substrate is heated to changes the resolution ratio of figure, Fig. 9 B have most
Good resolution ratio.For example, the solvent for being not added with hot substrate to evaporate in ink causes the fuzzy of ink droplets.Fig. 9 A are showing along neckline
It is visible fuzzy with cheek profile, but this obscures and does not exist in figures 9 b and 9.Superheated substrate causes that the solvent in ink steams
Sending out too fast also influences resolution ratio.Fig. 9 C show to dry the significant horizontal stripe in too fast printed decoration, but the striped exists
Do not exist in Fig. 9 B.
Although the embodiment on limited quantity describes the disclosure, the art technology of the benefit of the disclosure is obtained
Personnel will be recognized that can design other embodiments without deviating from the scope of the present disclosure as disclosed herein.Therefore, originally
Scope of disclosure should only be defined by the appended claims.
Claims (19)
1. a kind of method of printed decoration, including：
The various inks of ink jet printing to form the layer with predetermined pattern on a surface of a substrate, wherein in various inks
Each is comprising solvent and with different colors；
The substrate is heated at least to evaporate a part for the solvent in each in various inks；And
Layer described in heat cure is to form after a part for solvent in each at least evaporating various inks
State decoration,
Wherein described substrate is heated to a part for the solvent in each at least evaporated in various inks without complete
The temperature of various inks described in all solidstate, and
Wherein, the boiling point of the solvent in each in various inks is within mutual 10 DEG C.
2. the method for claim 1, it is characterised in that the weight hundred of the solvent in each in various inks
Divide than within mutual 5%.
3. the method for claim 1, it is characterised in that the solvent in each in various inks includes solvent
Mixture, the solvent mixture at least includes the first solvent and the second solvent, wherein in each in various inks
The first solvent each within mutual 10 DEG C and in various inks of boiling point in the boiling point of the second solvent exist
Within mutual 10 DEG C.
4. method as claimed in claim 3, it is characterised in that the weight of the first solvent in each in various inks
The percentage by weight of the second solvent in each of amount percentage within mutual 5% and in various inks is each other
5% within.
5. the method for claim 1, it is characterised in that glued according to the intersecting hachure illustrated in ASTM D3359-09e2
Attached power test, various inks are more than or equal to 4B with the adhesion of the substrate.
6. the method for claim 1, it is characterised in that heated substrate has from about 30 DEG C to about 70 DEG C
Temperature in scope.
7. the method for claim 1, it is characterised in that come with the temperature in the scope from about 30 DEG C to about 80 DEG C
Each in various inks described in heat cure.
8. the method for claim 1, it is characterised in that come in droplets various inks described in ink jet printing and
The drop that falls of the diameter with least 50 μm is formed on the substrate.
9. the method for claim 1, it is characterised in that the layer has from about 1.5 μm to about 5 after solidification
μm scope in thickness.
10. the method for claim 1, it is characterised in that from by glass substrate, glass ceramic baseplate, ceramic substrate, gold
The substrate is selected in the group that category oxide substrate, metal substrate and polymerizable substrate are constituted.
11. the method for claim 1, it is characterised in that the substrate is glass or glass ceramics.
12. methods as claimed in claim 11, it is characterised in that the substrate is by chemical consolidation.
13. methods as claimed in claim 12, it is characterised in that the substrate of the chemical consolidation is ion exchanged.
14. the method for claim 1, further include by ink jet printing, silk-screen printing, impressing or film transfer
One extra play of deposited ink on the substrate.
15. the method for claim 1, it is characterised in that the predetermined pattern filling is previously applied to the surface
At least one of layer opening.
16. methods as claimed in claim 15, further include by ink jet printing, silk-screen printing, impressing or film transfer
A deposited ink on the substrate extra play.
17. the method for claim 1, further include what is solidified come laser engraving using the laser with a wavelength
A part for layer is to remove the part of solidified layer, wherein various inks more absorb than the substrate described swashing
The wavelength of light.
18. the method for claim 1, it is characterised in that carry out various ink described in ink-jet printing in droplets
Water, the drop have from about 1.5 picoliters to the scope of about 7 picoliters in volume.
19. a kind of substrates, with the decoration that method according to claim 1 is printed thereon.
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| CN201510996425.7A CN106915169A (en) | 2015-12-25 | 2015-12-25 | The method of ink jet printing decoration on substrate |
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| CN102372947A (en) * | 2010-08-06 | 2012-03-14 | 中国科学院化学研究所 | Environmental-friendly ink for inkjet printing for direct plate making and preparation method of environmental-friendly ink |
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| US20110234728A1 (en) * | 2010-03-26 | 2011-09-29 | Seiko Epson Corporation | Ink jet recording process |
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