CN1213342A - Inkjet recording medium - Google Patents
Inkjet recording medium Download PDFInfo
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- CN1213342A CN1213342A CN97192959A CN97192959A CN1213342A CN 1213342 A CN1213342 A CN 1213342A CN 97192959 A CN97192959 A CN 97192959A CN 97192959 A CN97192959 A CN 97192959A CN 1213342 A CN1213342 A CN 1213342A
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- film
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- ink jet
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- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
- B41M5/508—Supports
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- 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
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- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
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- 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
- B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
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- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
- B41M5/504—Backcoats
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- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5227—Macromolecular coatings characterised by organic non-macromolecular additives, e.g. UV-absorbers, plasticisers, surfactants
Abstract
An inkjet recording medium is provided, having a hydrophilic, microporous, polymeric membrane with a hygroscopic layer residing on a major surface thereof. The hygroscopic layer receives an inkjet image and the hydrophilic, microporous, polymeric membrane diffuses the water and other solvents from the ink to provide rapid drying and a precise inkjet image. A method of forming the precise inkjet image is also disclosed using conventional inkjet printers using the disclosed inkjet recording medium. Uses for the inkjet recording medium range from overhead projector transparencies to graphic appliques such as outdoor billboards. A second embodiment provides a field of pressure sensitive adhesive on at least a portion of the side of the hydrophilic, microporous, polymeric membrane opposite the hygroscopic layer containing the permanent, precise image.
Description
Invention field
The present invention relates to form rapidly the ink jet recording medium of exact image.
Background of invention
Ink jet recording medium is optimized for the image of formation from computer printer etc., and its purposes comprises from table top publishes with paper or top projector slide to coml pattern posters such as for example billboard and other outdoor advertising media.
In order to use simultaneously with pigment and dyestuff is the rapid image accurately that forms of printing ink of base, generally adopts three kinds of methods at present in ink-jet media is produced.These three kinds of methods all exist some defectives and problem fails to solve.
Fundamental method is to use the acceptor of paper as ink jet image.Plain paper can not show the high visual degree of depth or accurately image point duplicate because dyestuff that contains in the ink-jet solvent for use or pigment can be diffused in the hole of paper.The result is the blurred image that forms low resolution.
It is to apply the coating that one deck can be bonded to dyestuff and pigment the surface at paper surface that this one is improved one's methods.This hydrophilic coating is easy to accept ink jet image, and solvent impels dyestuff and pigment to be diffused in the following paper.Thereby so just strengthened colour saturation and resolution ratio and improved visual outward appearance.Described coating generally is the coating of the water-soluble or swellability of one deck, and it can comprise hydrophilic filler such as silica.A nearest improvement example is a United States Patent (USP) 5,213,873.
Though above-mentioned medium provides acceptable image quality, bottom wherein shows the original whole shortcomings of paper, for example lacks dimensional stability and water sensitivity.Paper below the coating is not durable, and when having too many moisture in printing ink or the environment, curls especially easily or other deformation takes place.Paper is only because of curling or shrinkage that imbibition and contraction produce, just limited it in the purposes of large-scale and many picture groups aspect resembling.Outdoor applications especially is restricted.
Second method is ink jet image to be used on transparent polymer or other the durable bottom form lantern slide.Many patent disclosures the use of ink absorbing layer on transparent polymer material.For example United States Patent (USP) 4,935, and 307 and United States Patent (USP) 4,956,230.This ink absorbing layer generally is the water-soluble or swell layer of one deck.A subject matter of this material is, because bottom film does not absorb water or liquid in the ink-jet, all the ink carrier solvent is all stayed in the hydrophilic coating.It is said drying time and extend to about 4 minutes.This makes that the surface is always soft or sticking hand before bone dry.The further improvement that proposes in people's such as Iqbal United States Patent (USP) 5,134,198 and United States Patent (USP) 5,219,928 is to contain to apply the layer of transparent plastics on the material of the hole that is interconnected, to improve its visual effect.When described coating is coated on the standard polymers film, though drying time is shorter than the standard water soluble materials that high persistence image is provided, still long.
Other nearest work is at contaminative and the sticking chirality of eliminating hydrophilic coating on the thin polymer film.Do not touch water to avoid the method for sticking hand comprising the various surfaces that make.The nearest for example United States Patent (USP) 4,379,804 that comprises, United States Patent (USP) 5,192,617 and United States Patent (USP) 5,352, the composite bed described in 736, top layer wherein with solvent to hydrophilic one deck transmission down.This system effect is good, but needs repeatedly to apply operation.And the same one side when the whole solvents that enter system must enter by it evaporates.
For fear of too high water sensitivity, can in water imbibition coating, use crosslinking agent usually.The balance of pros and cons is that any absorptive reduction all can lose coating and absorb and to be deposited on lip-deep whole printing ink and the ability that image point scatters does not take place.United States Patent (USP) 5,241,006, United States Patent (USP) 5,208,092, United States Patent (USP) 5,376,727 and United States Patent (USP) 4,904,519 in discussed the various work of carrying out for these performances of balance.
The third method uses the polymer substrate of a kind of hydrophily and porous or polymer/paper fibre mixture (not adopting any other ink absorption coating or extra play above it) directly to accept ink jet image.Described material may be a dimensionally stable, but does not have good image concentration and resolution ratio.Image is generally very short drying time.
The hydrophilic polymer matrix of porous is easy to accept ink jet image, and the solvent that carries dyestuff and pigment is diffused in the matrix.But the diffusion of solvent also can cause the diffusion of pigment and dyestuff, thus can not form accurately, image clearly.United States Patent (USP) 5,443,727 provide a kind of method that alleviates the diffusion of exact image and improve apparent image concentration, and it need heat matrix destroys the hole of matrix, and image is enclosed on the position of requirement.Heating operation is difficulty relatively, and is especially more inconvenient for the large-scale pattern that must avoid shrinkage and curl.
Summary of the invention
Produce the prior art of ink jet recording medium and also do not find to provide drying accurate rapidly ink jet image, can be particularly suitable for the combination of materials that requires dimensional stability used again.The present invention recognizes, problem is will have some suitable layers in ink-jet media, is used for solvent with printing ink and separates with pigment with dyestuff and don't cause bad image diffusion.
The present invention by in ink jet recording medium, provide can produce fast do, one group of multilayer material of exact image solved the problems of the prior art.
On the one hand, the invention provides a kind of ink jet recording medium, it comprises the hydrophilic microporous thin polymer film, and it has positive and negative two first type surfaces and the non-porous water accepting layer that is positioned on its at least one first type surface.
The characteristics of the two-layer combination of this of ink jet recording medium are that its each layer all can not solve the problems of the prior art separately.
Water accepting layer can be accepted ink jet image and be detained dyestuff contained in the printing ink and pigment.
The hydrophilic microporous thin polymer film can carry the water accepting layer that contains ink jet image enduringly, and with the solvent in the printing ink and the dyestuff and the pigment diffusive separation that are trapped in water accepting layer.
Can form accurate ink jet image rapidly on this durable ink jet recording medium that water accepting layer and hydrophilic microporous thin polymer film constitute.
In the present invention, " hydrophily " refers to that liquid contact angle from the teeth outwards is less than 90 degree.
In the present invention, " water imbibition " refers to that this layer can be moistening by solvent and surfactant mixtures based on water, and can absorb this water-based mixture.
In the present invention, " microporous polymer film " expression has the thin polymer film of the pore structure that is interconnected.
In the present invention, the pore structure that is not interconnected in " non-porous layer " presentation layer.
In the present invention, the such thin polymer film of " hydrophilic microporous thin polymer film " expression, promptly can the mat capillarity or for example the surface tension of the water fluid of solvent and surfactant mixture liquid absorbed enter in its surperficial hole.Be preferably, the pressure during water absorbent surface is lower than an atmospheric pressure.
In the present invention, when " accurately " expression ink-jet drop formed image from the teeth outwards, the degree of image point diffusion was very little, was unlikely to reduce the resolution ratio of image.The unsharp example of image may show as visual bleeding, edge out-of-flatness or color and mix.
On the other hand, the invention provides a kind of aforesaid ink jet recording medium, but at least a portion zone of film second first type surface, scribble pressure-sensitive adhesive in addition.
On the other hand, the invention provides a kind of aforesaid ink jet recording medium, but nonvolatil ink jet image is arranged on water accepting layer.
On the other hand, the invention provides a kind of fast method of doing accurate ink jet image that forms, it may further comprise the steps, and the ink jet recording medium that comprises the hydrophilic microporous thin polymer film is provided, described film have tow sides and be positioned at film at least the one side on the water imbibition non-porous layer; Pattern according to required image is applied to ink-jet on the medium.
One of feature of the present invention is that ink mist recording matrix can promptly form accurate ink jet image on durable polymer substrate.
Another feature of the present invention is that ink jet recording medium can form the exact image of high concentration rapidly, does not need medium is carried out special post processing.
One of advantage of the present invention is that ink jet recording medium is to be made by two-layer known commercially available material, and manufacturing and preservation are all very easy.
Another advantage of the present invention is, for example not needing to adopt in each of medium layer, cornstarch, silica or clay and so on particle improves image and processability.But, these materials are arranged, the processing convenience can be provided.
Other advantage of the present invention is, compares with conventional ink jet recording medium, and ink jet recording medium of the present invention provides better reflected colour concentration, better image point clarity, dimensional stability and shorter drying time.
Referring now to the following drawings explanation embodiment of the present invention.
Description of drawings
Fig. 1 is the sectional view of first kind of embodiment of the present invention.
Fig. 2 is the sectional view of second kind of embodiment of the present invention.
Fig. 3 is a kind of cross-section photograph of prior art hydrophilic microporous thin polymer film.
Fig. 4 is a kind of embodiment of the present invention, has tow sides and on the one side cross-section photograph of the hydrophilic microporous thin polymer film of water accepting layer is arranged at least at it.
Fig. 5 is a kind of photo of prior art hydrophilic microporous thin polymer film.
Fig. 6 is a kind of embodiment of the present invention, has tow sides and on the one side photo of the hydrophilic microporous thin polymer film of water accepting layer is arranged at least at it.
Embodiment
Fig. 1 shows a kind of embodiment of the present invention. Ink jet recording medium 10 is made of hydrophilic microporous thin polymer film 12 and the water accepting layer 14 that is located thereon. Water accepting layer 14 can utilize the technology that lamination layer structure applies or the lamination those skilled in the art are known to apply or be laminated on the film 12. The example of coating or lamination comprises notch bar coating, curtain coating, roller coat, extrusion coated, intaglio plate coating, calendering etc.
Hydrophilic nanoporous thin polymer film 12 is hydrophilic, can absorb aqueous solvent commonly used in the ink-jet agent. Microporous membrane can be by many kinds of different pore sizes, form, thickness and hole. Suitable microporous membrane of the present invention preferably has enough voidages in order to fully absorb the ink-jet that is ejected on the ink jet recording medium hydrophilic layer. Must be noted that voidage must be able to allow ink-jet arrive. In other words, do not have passage can not provide advantage of the present invention each other and with film (being the film in confining surface hole) that the water imbibition face coat directly is interconnected with its hole, its performance will be similar to the surface that does not at all have hole.
In ASTM D792, porosity is defined as (1-apparent density/density polymer) * 100. If density polymer is unknown, porosity can be by the liquid immersion film with known density, and the film weight before and after then relatively soaking into is measured. The typical porosity of hydrophilic nanoporous thin polymer film 12 is 10% to 99%, and is general most 20% to 90%.
Porosity and film thickness have determined the printing ink volume capacity of film together. Film thickness also has influence on pliability, durability and the dimensional stability of film. For general service, the thickness of film 12 can be from about 0.01 millimeter to about 0.6 millimeter (0.5 Mill to about 30 Mills), or thicker. Be preferably, thickness is from about 0.04 millimeter to about 0.25 millimeter (about 2 Mills to about 10 Mills).
The droplet size of general ink-jet printer is every 40 to 140 skin liters. General resolution ratio is 118 to 283 every centimetre. The drop volume of high-resolution printers is less. Actual result shows that versicolor deposition volume is every square centimeter of 1.95 to 2.23 microlitres. Solid covering in the color system (solid coverage) can up to 300 % (utilizing the undercolour removal method), cause the volume deposition to reach every square centimeter of 5.85 to 6.69 microlitres.
The size that drip less than the nominal of the ink-jet printer that will use this ink jet recording medium in the aperture of hydrophilic nanoporous thin polymer film 12. The aperture can from 0.01 to 10 micron, and preferable range is from 0.5 to 5 micron, and hole is positioned at least one side of film.
The hole of film 12 needn't run through the whole thickness of film, only need reach the enough degree of depth that form necessary pore volume. So it is asymmetric that film can be actually, and namely has above-mentioned hole in one side, and on the another side so long as hole is more or less arranged or does not have hole. At this moment, there is the one side of hole must have enough porositys and is used for absorbing liquid in the printing ink that arrives by water accepting layer 14.
The example of hydrophilic nanoporous thin polymer film comprises polyolefin, polyester, polyvinylhalogenides and the acrylic compounds with microcellular structure. Wherein be preferably United States Patent (USP) 4,833,172 is described, " Teslin " of commercially available PPG Industries, and United States Patent (USP) 4,867,881,4,613,441,5,238,618 and 5,443, the 727 described hydrophilic nanoporous films that are generally used for microfiltration, printing or waterproofing membrane. The general thickness of Teslin microporous membrane is about 0.18 millimeter, and voidage is about 65.9% after measured. Like this, the ink volume capacity of film is every square centimeter of 11.7 microlitres. So this film has enough voidages and thickness fully absorbs the printing ink that is deposited by most of ink-jet printers, even when coverage rate reaches 300%, needn't consider the hold-up in the water accepting layer simultaneously.
Can also contain multiple additive well known by persons skilled in the art in the film 12. Its example comprises filler, such as silica, talcum powder, calcium carbonate, titanium dioxide or other polymer field trash (polymer inclusions). It can also be to improve the modifier that applies characteristic, surface tension, surface smoothness and hardness.
Water accepting layer 14 can be coating or the laminate layers that forms above the ink jet image part at film 12. So water accepting layer 14 is cover film 12 fully, also needn't cover on two faces of film 12. Layer 14 preferably mainly is positioned on the surface of film 12 and does not contact the surface of its inner pore. According to the final use of medium 10, at least one side of film 12 at least in part tegillum 14 covers, and another side can seal or apply with other material such as antistatic coating, adhesive, watertight composition, light shield layer, enhancement Layer etc.
Layer 14 can be with multiple natural or synthetic material manufacturing well known by persons skilled in the art, in order to the surface that absorbs printing ink to be provided. Be used to form layer 14 material, comprise polyvinyl alcohol, PVP, such as the cellulose derivatives such as carboxymethyl cellulose, PEO, water soluble starch and natural gum. In addition, inorganic fillers such as silica, talcum powder, calcium carbonate, titanium dioxide also can be used to improve its processability, opacity, intensity, wetability or controls its viscosity. In for example the mordant in the United States Patent (USP) 5354813 and 5403955 and color-fixing agent also can be included in.
In these materials, water absorbent polymer coating preferably because they are easily manufactured, and can provide and can absorb and contact and to keep the oil suction China ink of dyestuff and pigment surperficial with permanent with accurate ink jet image form. In described coating, particularly preferred is poly-(N-vinyl lactam), PEO, methyl or propyl cellulose derivative and poly-(vinyl alcohol).
Water accepting layer 14 can adopt multiple technologies to be formed on the film 12, comprising coating, lamination or co-extrusion. When being coated in hydrophilic coating solution on the film, the viscosity of solution and concentration will affect the performance of the ink jet recording medium that forms. For example, low-viscosity dope solution is coated on high porosity and/or the large aperture film, meeting and almost or does not fully have coating so that the film after applying is soaked into by water absorbent polymer on film surface. The film that so applies can not satisfy requirement of the present invention, because ink-jet forms on this medium resembles, its image concentration and contrast are usually very low, and dry can be very slow. Technology at film 12 deposition water accepting layers 14 has illustrated in an embodiment.
The viscosity of coating solution is subjected to the control of many factors, comprising paint solvent, structure adaptability degree, polymer molecular weight, temperature etc. Among the present invention, intrinsic viscosity was lower than the solution of 100,000 centipoises when low viscosity solution was considered to Instrument measurings such as Brookfield viscosimeters.
The thickness of water accepting layer 14 can be from about 2 microns to 35 microns, is preferably from about 3 microns to 15 microns. Thick thickness tends to cause the sticking hand in surface and curling problem again.
Film 12 can provide rapidly exact image of drying with the combination of layer 14, is generally printing drying time rear about 15 to 30 seconds.
Film 12 and layer 14 can contain the additive that many kinds are further improved ink jet recording medium of the present invention.
Layer 14 itself can be a MULTILAYER COMPOSITE layer, its outermost layer contains for example acrylic polymer take silica as filler, damp proof or anti-impression of the hand composition granular filler, UV Absorption composition for example silicone or wax of benzophenone, processing aid for example for example of the composition of anti-scratch the, anti-caking agent (blockaids) and anti-scratch dose (mar aid). So layer 14 can comprise the mordant that improves image stabilization or processability, ultraviolet light diluent, antioxidant, filler, anti-scratch dose, anti-caking agent or other material.
Recording medium 10 can also scribble one deck back layer at its film 12 another first type surfaces, in order to reduce or eliminate as far as possible the curling of medium 10 after the imaging. The example of back layer material comprises the material that expansion rate of water absorption and water accepting layer 14 approach. This class material comprises starch, natural gum and other water-swellable polymer.
In addition, can also seal processing at another first type surface of medium 10 films 12 by saturated coating or other manufacture method. The example of described method comprises pressure-sensitive adhesive coating, calendering, hot-rolling casting, co-extrusion, lamination etc.
In addition, such as United States Patent (USP) 5,443,272 is described, medium 10 can be after imaging post processing by for example heating or calendering and so on the pore structure of destroying film 12 become transparent.
Fig. 2 has shown the second embodiment of the present invention. Ink jet recording medium comprises hydrophilic microporous polymer thin film 22, is water accepting layer 24 on it. Film 22 and water accepting layer 24 correspond respectively to film 12 and the water accepting layer 14 among Fig. 1. Also have one deck formation of pressure-sensitive adhesive layer 26 on the medium 20, it is covered with the opposite another side of film 22 and water accepting layer 24 at least in part. Before working medium, there is one deck peeling liner 28 to cover on the adhesive layer 26 between storage life.
As the pressure-sensitive adhesive of layer 26, can be the pressure-sensitive adhesive of any routine, as long as it can be bonding with the article surface that need stick the ink jet recording medium with permanent exact image with film 22 simultaneously." pressure-sensitive adhesive handbook (Handbood of Pressure Sensitive Adhesives) the 2nd edition (Von NostrandReinhold 1989) has comprehensive argumentation to pressure-sensitive adhesive.Pressure-sensitive adhesive can be available from many manufacturers.Good especially is available from Minnesota Mining and Manufacturing Company of St.Paul, the pressure-sensitive adhesive of Minnesota, and United States Patent (USP) 5,141,790,4,605,592,5,045,386 and 5,229,207 have done general argumentation to this.
Peeling liner 28 also is that people know, can be available from many manufacturers.The example of peeling liner comprises the brown paper that scribbles silicone, the polymeric material that scribbles the poly paper of having of silicone, scribbles silicone or be not coated with silicone is polyethylene or polypropylene for example, and be coated with aforementioned substrates material with the base polymer remover of silicone urea (silicone urea), polyurethane and long chain alkyl acrylate, as United States Patent (USP) 3,957,724; 4,567,073; 4,313,988; 3,997,702; 4,614,667; 5,202,190 and 5,290,615 is described.
Purposes of the present invention
Ink jet recording medium of the present invention can be used as accurate, the stable and fast occasion of doing of any requirement image.Commercial image class purposes comprises opaque markers and vertically hung scroll.
Ink jet recording medium of the present invention has dimensional stability, promptly measure according to expansion rate of water absorption, when relative humidity when 10% becomes 90%, the size on all directions changes less than 15%.Therefore, medium of the present invention is better than the paper of band coating, because paper is easy to take place the change of shape or size in processing or use.
The ink-jet that ink jet recording medium of the present invention can be accepted various prescriptions forms fast doing and accurate ink jet image.In order to reach best effect, the thickness of each layer can have nothing in common with each other in the ink jet recording medium, depend on multiple factor, for example: the composition of the volume of droplets of ink, printing ink liquid-carrier, ink type (dyestuff, pigment or its mixture), manufacturing technology (shape of the speed of machine, resolution ratio, roller) etc.Usually, the printing ink used of ink-jet is that coloured dye and/or pigment mix in water and other solvent mixture.Water and other solvent all are carried into water accepting layer 14 or 24 with dyestuff and pigment, then in order to make the rapid drying of image in water accepting layer 14 or 24 form accurate image and continue to enter film 12 or 22.
Drying time is can be by image tack-free or dab the fuzzy required timing of Shi Buhui.
Accurate ink jet image can adopt the printing technique on the multiple market to form.Its example comprises the thermal ink jet printers of for example DeskJet board, PaintJet board, Deskwriter board, DesignJet board and available from Hewlett Packard Corporation of Palo Alto, other printer of Califonia.Also comprise piezo-electric type ink-jet printer (for example product of Seiko-Epson), nozzle printer and continous inkjet printers.Described commercially available printer is all guided to printing ink on the medium of the present invention in the mode of spraying concrete image.With scribble the similar of water sucting surface coating but the medium of atresia relatively, drying of the present invention is faster.
Fig. 3 and Fig. 4 are the media of the present invention 10 that comprise film 12 and water accepting layer 14 and the comparison of independent microporous membrane 12.Fig. 3 is that microporous membrane 12 amplifies about 5,000 times microscopic cross-section photo.Fig. 4 is the microscopic cross-section photo that medium 10 of the present invention amplifies identical multiple, and it has film 12 and the water accepting layer 14 on an one first type surface.As shown in Figure 4, there is not water accepting layer 14 basically in the inside of film 12 porous surfaces.
Be easy to find out the advantage of medium 10 structures of the present invention by comparison diagram 5 and Fig. 6.Fig. 5 is that Fig. 3 film 12 amplifies about 40 times photo, and clearly image of pattern is arranged on the film.Image is formed on the film with Hewlett Packard board ink for inking with Deskwriter C board printer.Fig. 6 is the photo that Fig. 4 medium of the present invention amplifies identical multiple, and the clearly identical image of pattern is arranged on the medium.Image also is to be formed on the film with Hewlett Packard board ink for inking with Deskwriter C board printer.Fig. 6 shows, becomes medium 10, much visual accurate on it by film 12 and water accepting layer 14 combinations.
The photo of comparison diagram 5 and Fig. 6 shows that ink-jet media of the present invention has much better image point accuracy, thereby forms more accurate image.
It can also be seen that from Fig. 5 and Fig. 6 measure according to reflection density, medium of the present invention has better reflected colour concentration.
Medium of the present invention can have voidage and the aperture identical with the commercially available film that is used to form this type of medium.As shown in Figure 4, water accepting layer 14 mainly is positioned on the first type surface of film 12, can not change effecive porosity and aperture (even some hole might be flooded by water accepting layer 14) of film 12 basically.
On the recording medium of the present invention spray printing behind the image, can be used for the pattern poster, for example purposes such as indoor decoration or outdoor billboard, propaganda car, labeled surface, wall hanging photo.
Below some embodiment will further specify embodiment of the present invention.
Method of testing
Test drying time:
1) on medium, forms image with suitable ink-jet printer.
2) measure with finger and touch unlikely image diffusion, unlikely damage image or discover, required time after image forms less than the too sticking hand of image.
Colour saturation is measured:
The measurement of whole colour saturations all is a reflection density, uses opacimeter to measure, and opacimeter uses a colour filter, the difference maximum of feasible image and white background.
Embodiment
The visual ink jet recording medium performance of significant band comprises reflection density, drying time, resolution ratio or image point diffusion etc.Reflection density utilizes printing industry technical staff technique known to measure.Embodiments herein is to use Gretag Limited, CH-8105 Regensdorf, and the Gretag SPM50 opacimeter of Switzerland is measured.Other Instruments also can be measured as a comparison, but not necessarily draws identical numerical value.What measure usefulness drying time is a kind of observational technique, promptly forms a solid area image, and image can dirty or fuzzy required drying time when dabbing for mensuration.The image point diffusion is measured by measuring an image point line.Numerical value is low more, and the image point diffusion is just more little.Image point is diffused as zero can obtain image the most accurately, still, because spherical droplets bump plane and wetting surface, thereby the image point that can occur to a certain degree spreads.On can not be rapidly dry coating, can observe liquid and be diffused into the inner image point diffusion that forms of coating.
Embodiment 1
Prepare following coating solution:
25.0 gram ISP (International Specialty Products, 1361 Alps Road, Wayner, NJ07470) PVP-K90 polyvinylpyrrolidone
250.0 gram deionized water
Mix above-mentioned composition, until forming clear solutions.
Getting one, to record its average pore size through experiment be 0.35 micron, and the Gurley porosity is 550 seconds Teslin of per 50 cc of air
TMMicroporous membrane (PPG Industries, One PPG Place, Pittsburgh, PA15272 USA) is coated with above-mentioned coating, and then 70 ℃ of dryings, obtaining dry coating weight is the water accepting layer of every square metre 4.2 gram.On sample, form image with Hewlett Packard Deskwriter C board printer.This printer is sent the printing ink of every 140 skin liter approximately.The above-mentioned scanning electron micrograph that is coated with layer cross section shows that polymer mainly is positioned on the surface of film.
Embodiment 1b
For comparison purpose, get a non-modification Teslin
TMMicroporous membrane prints in the same manner, is labeled as embodiment 1b.Table 1 has provided the reflection density and the drying time of described sample.
Embodiment 2
Solution with embodiment 1 applies a sample as described in embodiment 1, dry coating weight be 6.6 the gram/square metre.As described in embodiment 1, on sample, form image, with the influence of determining that coating weight improves.Equally, the optical density data are also listed in table 1.The above-mentioned scanning electron micrograph that is coated with layer cross section shows that coated polymeric mainly is positioned at above the surface of film.
Embodiment 3
The solution of embodiment 1 is coated in United States Patent (USP) 5,443, on 727 embodiment, the 5 described microporous membranes, thick 0.89 millimeter of this film, the Gurley porosity is per 50 cc of air 6 seconds, porosity is about 80%.Coating is found infiltration and has soaked into film.On film, form image as previously mentioned.The above-mentioned scanning electron micrograph that is coated with layer cross section shows that coated polymeric is present in the whole film.
Embodiment 3b
Form image on embodiment 3 film samples before coating, as a reference with this.
Embodiment 4
Printing this sample is used for relatively and represents the commercially available material.Specifically be to go up the formation image at the colourful transparent material (Color Transparency Material) of the 3M that is used for ink-jet printer with being same as the pattern of more aforementioned embodiment.The maximum optical density that optical density representative on this material can obtain because all substances all from the teeth outwards, a bit all is not lost to medium inside.Drying time special must be long because all liquid all must be from the surface evaporation of material.
Table 1
| Embodiment | Drying time (second) | ROD black | The ROD navy blue | The ROD yellow | The ROD magenta | The black line width 1 | Dark blue line width |
| ????1 | ????15 | ?1.74 | ?1.74 | ?1.02 | ?0.95 | ?0.41/0.41 | ?0.35/0.33 |
| ????1b | ????15 | ?0.96 | ?0.86 | ?0.54 | ?0.74 | ?0.44/0.43 | ?0.37/0.35 |
| ????2 | ????60 | ?2.08 | ?1.52 | ?1.10 | ?1.00 | ?0.45/0.45 | ?0.38/0.38 |
| ????3 | ????15 | ?1.10 | ?0.73 | ?0.61 | ?0.62 | ?0.41/0.40 | ?0.37/0.35 |
| ????3b | ????15 | ?0.73 | ?0.66 | ?0.46 | ?0.48 | ?0.51/0.50 | ?0.41/0.40 |
| ????4 | ????＞300 | ?1.85 | ?1.27 | ?0.77 | ?0.70 | ?0.45/0.45 | ?0.41/0.40 |
1Horizontal/vertical width (millimeter)
Embodiment 5
Prepare following coating solution:
50.0 gram Union Carbide, 39 Old Ridgebury Road, Danbury, the PolyoxN-3000 PEO of CT 06817
950.0 gram deionized water
Mix above-mentioned composition, until forming clear solutions.
Get a polypropylene film and be coated with above-mentioned coating solution, 70 ℃ of dryings, as a result dry coating weight be 4.2 the gram/square metre.Then by a hot-roll lamination machine 95 ℃ of microporous membrane heat lamination of using in above-mentioned film and embodiment 3b.After this laminated film cooling, throw off polypropylene film, make the PEO coating stay on the microporous membrane.Find on inspection, coating be positioned at microporous membrane above.On the film that applied, form image as previously mentioned.The imaging characteristic of described polymer is not as good as polyvinylpyrrolidone, but the image concentration of laminated film is better than uncoated material, thinking laminated thus is to be used for making the water imbibition face coat to be positioned at method above the microporous membrane, and this moment, coating material then soaked into microporous membrane fully.
Embodiment 5b carries out spray printing to uncoated material, in contrast.
Embodiment 6
Prepare following solution:
25.0 the Polyox N-3000 board PEO of gram Union Carbide
25.0 gram PVP-K90 polyvinylpyrrolidone
950.0 gram deionized water
1000.0 gram isopropyl alcohol
Mix above-mentioned composition, until forming clear solutions.
Above-mentioned solution is coated on the polypropylene casting film, and at 77 ℃ of (170) oven dryings, dry coating is thick 50 microns as a result, corresponding coating weight be 5 grams/square metre.
Do not heat in the hot-roll lamination machine of rubber rollers material and Teslin after 96 ℃ (205) will apply with the pressure of about 2.8 kilograms/square centimeter (40 pound per square inches) having heating steel rider and one
TMMicroporous membrane lamination 3.8 seconds.On material, form image as previously mentioned.
Table 2
| Embodiment | Drying time (second) | ROD black | The ROD navy blue | The ROD yellow | The ROD magenta | The black line width | Dark blue line width |
| ?????5 | ?120 | ?0.97 | ?1.33 | ?0.86 | ?0.90 | ?0.48/0.42 | ?0.43/0.3?8 |
| ????5b | ????15 | ?0.75 | ?0.76 | ?0.51 | ?0.48 | ?0.54/na | ?0.44/na |
| ????6 | ????15 | ?1.75 | ?1.13 | ?0.78 | ?0.64 | ?0.41/0.43 | ?0.38/0.41 |
| ????6b | ????15 | ?0.89 | ?0.83 | ?0.48 | ?0.58 | ?0.53/0.47 | ?0.43/0.46 |
That use in following examples is the Teslin that one side scribbles pressure-sensitive adhesive (75 micron thickness) and has peeling liner (75 micron thickness)
TMMicroporous membrane.
With the Hewlett-PackardDeskJet that the HP1640 reel that Hewlett-Packard DeskJet 1200C uses is housed
TMThe 650C printer is printed the test pattern by dark blue-green, magenta, yellow, black (a kind of pigment black), redness, green and blue 100% color lump form on medium.
(2 ' is provided with reflection density, D65, ANSI T, Abs, No) mensuration with Gretag SPM-50.
Embodiment 7
Present embodiment has illustrated Teslin
TMThe fast dry characteristic of film, but have the low shortcoming of pattern color concentration.
With a no coating Teslin
TMThe DeskJet that film is packed into and as above assembled
TMIn the 650C printer, print test pattern.Whether with the finger contact patterns, checking has not residual tack or the color on the image is taken on the finger, found that whole colors all run into drying immediately after printing.
Measured optical density.Optical density is as shown in table 3, generally speaking is lower than cated sample.
Embodiment 8
Preparation is from ISP (International Specialty Product, 1361 Alps Road, Wayne, the 10 weight % ethanolic solutions of polyvinylpyrrolidone PVP K15 NJ07470).
With the space is that the notch bar (cutter is coated with machine) of 3 Mills is at a Teslin
TMBe coated with on the sample with above-mentioned solution, make ink jet recording medium.
With a Teslin who scribbles PVP K15
TMThe as above DeskJet of assembling packs into
TMIn the 650C printer, print test pattern.With the finger contact patterns, whether inspection has the residual tack of denying or the color on the image is taken on the finger, found that, all colors are all run into drying immediately after printing.The colour saturation range estimation of image looks and is higher than embodiment 7 no coating Teslin
TMImage on the film.
Measured optical density of all kinds, its value is listed in the table 3, is higher than uncoated sample generally.
Embodiment 9
Present embodiment is to depend on the concentration of coating solution and the prescription of coating for the optical density that acquisition is described.
Preparation is from ISP (International Specialty Product, 1361 Alps Road, Wayne, the 30 weight % ethanolic solutions of polyvinylpyrrolidone PVP K15 NJ07470).
With the space is that the notch bar (cutter is coated with machine) of 3 Mills is at a Teslin
TMBe coated with on the sample with above-mentioned solution, make ink jet recording medium.
With pack into the as above DeskJet of device of an ink jet recording medium of making
TMIn the 650C printer, print test pattern.With the finger contact patterns, whether inspection has the residual tack of denying or the color on the image is taken on the finger, found that, all colors are all run into drying immediately after printing.Range estimation sees that the colour saturation of image is higher than the no coating Teslin of embodiment 7
TMImage on the film also is higher than the ink jet recording medium among the embodiment 8.Measured optical density of all kinds, its value is listed in the table 3, is higher than uncoated sample generally.
Embodiment 10
Present embodiment is can apply Teslin with another kind of solution in order to illustrate
TM(or other film) makes that optical density is better than not having coated film, keep to print back operation and do necessary good drying property soon fast simultaneously, because new printer is may format permutation wideer or have other quicksetting ink jet printing device.
Be prepared as follows a kind of solution/disperse system:
With 10 the gram from ISP (International Specialty Product, 1361 Alps Road, Wayne, polyvinylpyrrolidone PVP K15 NJ07470) is prepared into ethanolic solution.This solution of vigorous stirring adds 10 gram Aerosil 380 silica (available from Degussa Corporation, Silica Division, 425 MetroPlace North, Suite 450, Dublin, Ohio 43017) again.Use is furnished with the full speed of homogenizer (available from Silverson Machines, Inc., PO Box 589, East Longmeadow, MA 01028) with 1/3rd of pulverizer sieve mixture is carried out 5 minutes homogenizing.
With the space is that the notch bar (cutter is coated with machine) of 3 Mills is at a Teslin
TMBe coated with on the sample with above-mentioned solution, make ink jet recording medium.
An above-mentioned ink jet recording medium is packed into as the DeskJet of preceding device
TMIn the 650C printer, print test pattern.With the finger contact patterns, whether inspection has the residual tack of denying or the color on the image is taken on the finger, found that, all colors are all run into drying immediately after printing.Range estimation sees that the colour saturation of image is higher than any sample of embodiment 7 to embodiment 9.Measured optical density of all kinds, its value is listed in the table 3, is higher than other sample generally.
Embodiment 11
The notch bar that is set to 3 Mills with the space is coated in 30% solution of embodiment 9 described PVP K15 on polyester (PET) film of 4 mil thick.
A polyester film that scribbles PVP K15 is packed into as the DeskJet of preceding device
TMIn the 650C printer, print test pattern.With the finger contact patterns, the whole colors of result are run into all at once after printing and are wet.Color is easy to be sticky with on the finger.Print contact in back 10 minutes, image is easy to dirty, and sensuously sticking hand, even after 20 minutes, image feels that still sticking hand also can be dirty.
More than all coatings among these embodiment all dry 3 minutes at 110 ℃ (230 °F).
Table 3
| Material | The ROD navy blue | The ROD magenta | The ROD yellow | ROD black | Drying time |
| Embodiment 7 (no coating Teslin) | 0.89 | ?0.667 | ????0.5 | ?0.703 | At once |
| Embodiment 8 (Teslin+10%PVPK15) | 0.896 | ?0.705 | ?0.612 | ?0.646 | At once |
| Embodiment 9 (Teslin+30%PVPK15) | 0.79 | ?0.613 | ?0.66 | ?0.62 | At once |
| Embodiment 10 (Teslin+PVPK15/Aerosil380) | 1.484 | ?1.194 | ?0.913 | ?1.005 | At once |
| Embodiment 11 (PET yl) | ＞20 minutes |
The present invention is not limited to above these embodiment.It below is claim.
Claims (14)
1. ink jet recording medium, it comprises that one deck has the hydrophilic microporous thin polymer film of positive and negative two first type surfaces and is positioned at water accepting layer at least one first type surface of film.
2. medium according to claim 1, film wherein are the thin polymer films that absorbs water fluid.
3. medium according to claim 1, film wherein can be to be lower than an atmospheric water absorption under pressure.
4. medium according to claim 1, wherein the another side of relative hydrophilic layer seals by coating or with other manufacture method on the film.
5. medium according to claim 1, pore structure wherein provide the transparency after heating or calendering and so on post processing destroys for medium in imaging.
6. medium according to claim 1, water accepting layer wherein are water-soluble or the water-swellable coating.
7. medium according to claim 1, film wherein are selected from polyolefin, polyester, polyvinylhalide and the acrylic compounds with little-pore structure.
8. medium according to claim 1, water accepting layer wherein contain the material of mordant, UV absorbers, antioxidant, filler, anti-zoned trace agent, anti-caking agent or other raising image stabilization or processability.
9. medium according to claim 1 wherein scribbles on another first type surface of the relative water accepting layer of film and can make the bonding adhesive of this medium and another surface.
10. ink jet image, it comprises the ink mist recording that comprises the hydrophilic microporous thin polymer film with positive and negative two first type surfaces and be positioned at least one lip-deep water accepting layer of film and is situated between, with the permanent ink jet image that contacts with water accepting layer.
11. image according to claim 10, image wherein are top projector slide images.
12. image according to claim 10, image wherein are the pattern posters.
13. image according to claim 10 scribbles the adhesive that can make it bonding with another surface on film another first type surface with respect to water accepting layer.
14. a formation is permanent, the method for accurate ink jet image, it may further comprise the steps:
(a) provide the ink jet recording medium that comprises hydrophilic microporous thin polymer film and be positioned at the water accepting layer at least one first type surface of film with positive and negative two first type surfaces;
(b) pattern according to the image that designs in advance makes ink-jet contact with medium.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61498696A | 1996-03-12 | 1996-03-12 | |
| US08/614,986 | 1996-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1213342A true CN1213342A (en) | 1999-04-07 |
Family
ID=24463531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97192959A Pending CN1213342A (en) | 1996-03-12 | 1997-01-30 | Inkjet recording medium |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0886581A1 (en) |
| JP (1) | JP2001518024A (en) |
| KR (1) | KR19990087703A (en) |
| CN (1) | CN1213342A (en) |
| AU (1) | AU2006197A (en) |
| BR (1) | BR9708024A (en) |
| WO (1) | WO1997033758A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684725A (en) * | 2012-09-28 | 2015-06-03 | 优泊公司 | Stretched resin film, method for producing same, and laminate using stretched resin film |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6632510B1 (en) | 1997-07-14 | 2003-10-14 | 3M Innovative Properties Company | Microporous inkjet receptors containing both a pigment management system and a fluid management system |
| JP3673666B2 (en) * | 1998-02-13 | 2005-07-20 | キヤノン株式会社 | Transfer medium, transfer image manufacturing method, and fabric on which transfer image is formed |
| EP0940427A1 (en) | 1998-03-06 | 1999-09-08 | Imation Corp. | Method of preparing a microporous film, and image accepting member |
| AU742184B2 (en) | 1998-04-29 | 2001-12-20 | 3M Innovative Properties Company | Receptor sheet for inkjet printing having an embossed surface |
| US6537650B1 (en) | 1998-06-19 | 2003-03-25 | 3M Innovative Properties Company | Inkjet receptor medium having ink migration inhibitor and method of making and using same |
| US6703112B1 (en) | 1998-06-19 | 2004-03-09 | 3M Innovative Properties Company | Organometallic salts for inkjet receptor media |
| US6383612B1 (en) | 1998-06-19 | 2002-05-07 | 3M Innovative Properties Company | Ink-drying agents for inkjet receptor media |
| US6086985A (en) * | 1998-10-19 | 2000-07-11 | Eastman Kodak Company | Ink jet recording element |
| CN1196601C (en) | 1999-02-12 | 2005-04-13 | 3M创新有限公司 | Image receptor medium with hot melt layer, method of making and using same |
| ES2282102T3 (en) | 1999-04-16 | 2007-10-16 | 3M Innovative Properties Company | HALF INK JET RECEIVER THAT HAS A MULTIPLE STAGE INKIT MIGRATION INHIBITOR. |
| DE60004228T2 (en) | 1999-06-01 | 2004-04-22 | 3M Innovative Properties Co., St. Paul | OPTICALLY TRANSPARENT MICRO-IMPRESSED RECEIVING MEDIA |
| CN1167553C (en) | 1999-06-01 | 2004-09-22 | 3M创新有限公司 | Random microembossed receptor media |
| WO2001058697A2 (en) | 2000-02-08 | 2001-08-16 | 3M Innovative Properties Company | Ink fixing materials and methods of fixing ink |
| AU4905601A (en) | 2000-02-08 | 2001-08-20 | 3M Innovative Properties Company | Improved media for cold image transfer |
| US6413590B1 (en) | 2000-05-31 | 2002-07-02 | Rexam Graphics Inc. | Glossy ink jet medium |
| EP1186435A1 (en) * | 2000-09-12 | 2002-03-13 | ZANDERS Feinpapiere AG | Recording material bearing an embedded image |
| WO2005016655A1 (en) * | 2003-08-13 | 2005-02-24 | Fuji Photo Film B.V. | Ink-jet recording medium |
| EP2051860A1 (en) | 2006-08-04 | 2009-04-29 | Fuji Film Manufacturing Europe B.V. | Porous membranes and recording media comprising same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6135277A (en) * | 1984-07-27 | 1986-02-19 | Canon Inc | Recording material |
| JPS6135276A (en) * | 1984-07-27 | 1986-02-19 | Canon Inc | Recording material |
| JPS6135278A (en) * | 1984-07-27 | 1986-02-19 | Canon Inc | Recording material |
| US5443727A (en) * | 1990-10-30 | 1995-08-22 | Minnesota Mining And Manufacturing Company | Articles having a polymeric shell and method for preparing same |
| JP3221009B2 (en) * | 1991-08-23 | 2001-10-22 | 東レ株式会社 | Record sheet |
| JPH07290818A (en) * | 1994-03-04 | 1995-11-07 | Mitsubishi Paper Mills Ltd | Ink jet recording tack sheet |
-
1997
- 1997-01-30 EP EP97904195A patent/EP0886581A1/en not_active Withdrawn
- 1997-01-30 WO PCT/US1997/001730 patent/WO1997033758A1/en not_active Application Discontinuation
- 1997-01-30 AU AU20061/97A patent/AU2006197A/en not_active Abandoned
- 1997-01-30 JP JP53259197A patent/JP2001518024A/en active Pending
- 1997-01-30 BR BR9708024A patent/BR9708024A/en not_active Application Discontinuation
- 1997-01-30 CN CN97192959A patent/CN1213342A/en active Pending
- 1997-01-30 KR KR1019980707170A patent/KR19990087703A/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684725A (en) * | 2012-09-28 | 2015-06-03 | 优泊公司 | Stretched resin film, method for producing same, and laminate using stretched resin film |
| CN104684725B (en) * | 2012-09-28 | 2018-01-02 | 优泊公司 | Stretched resin film, its manufacture method and the layered product using the stretched resin film |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2006197A (en) | 1997-10-01 |
| KR19990087703A (en) | 1999-12-27 |
| BR9708024A (en) | 1999-07-27 |
| EP0886581A1 (en) | 1998-12-30 |
| JP2001518024A (en) | 2001-10-09 |
| WO1997033758A1 (en) | 1997-09-18 |
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