EP1138518A2 - Tintenstrahlempfangsblatt und Übertragungselemente - Google Patents

Tintenstrahlempfangsblatt und Übertragungselemente Download PDF

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Publication number
EP1138518A2
EP1138518A2 EP01104145A EP01104145A EP1138518A2 EP 1138518 A2 EP1138518 A2 EP 1138518A2 EP 01104145 A EP01104145 A EP 01104145A EP 01104145 A EP01104145 A EP 01104145A EP 1138518 A2 EP1138518 A2 EP 1138518A2
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EP
European Patent Office
Prior art keywords
copolymer
ink
adhesive layer
layer
ink jet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01104145A
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English (en)
French (fr)
Other versions
EP1138518A3 (de
Inventor
George Wu Zarng-Arh
Manfred Adelhard Josef Sondergeld
James Steven Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of EP1138518A2 publication Critical patent/EP1138518A2/de
Publication of EP1138518A3 publication Critical patent/EP1138518A3/de
Withdrawn legal-status Critical Current

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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
    • 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
    • B41M5/506—Intermediate layers

Definitions

  • This invention relates to ink jet receptor sheets and transfer elements useful in forming images on a permanent substrate.
  • Ink-jet printing is a non-impact method for recording information in response to an electronic signal, such as that generated by a computer.
  • the electronic signal produces droplets of ink that are deposited on a media, such as paper or transparent film.
  • Ink-jet printers have found broad commercial acceptance due to their reliability, relatively quiet operation, graphic capability, print quality, and low cost.
  • inks typically having colors of black, cyan, magenta and yellow
  • the inks primarily are composed of water, and contain a colorant that may be a dye or pigment dispersion.
  • the inks generally also contain a polyhydric alcohol to prevent nozzle clogging, and may contain various adjuvants.
  • Such inks and ordinary paper are well suited for desk-top publishing, as currently practiced, wherein only a small portion of the paper receives printed text and graphic information.
  • the printing media will receive substantially more of the black and colored inks in order to accurately reproduce the various hues, tints, and colors contained in a typical colored picture.
  • the printing media will be expected to receive two or more times the total ink coverage than media used in conventional commercial printing. This, the total ink coverage for an area may exceed two separate overprint applications of ink.
  • the present invention provides a transfer element and an ink jet receptor sheet particularly adapted to receive printed images involving an ink, particularly an aqueous ink-jet ink containing a dye.
  • the printed image which is sandwiched between the ink receiving layer and the hydrophobic layer transferred to a permanent substrate, which may be paper, plastic, glass, aluminum foil, etc. lacks problems previously encountered with higher quality printing processes employing these substrates.
  • the invention has a special utility in applications involving printing of pictorial information particularly in demanding ink-jet printing applications which require more ink than normally used in printing text.
  • Applications for the invention include desktop publishing, wide format printing (e.g., for signage, banners and the like). Additionally, the invention may be used in applying ink jet images to objects having non-planar topography.
  • the invention has a special utility in applications involving printing of pictorial information particularly in demanding ink-jet printing applications which require more ink than normally used in printing text.
  • Applications for the invention include desktop publishing, wide format printing (e.g., for signage, banners and the like). Additionally, the invention may be used in applying ink jet images to objects having non-planar topography.
  • the invention relates to a printing process for printing an ink jet image on a receptor comprising the steps of:
  • the invention relates to an ink jet printing system comprising in combination:
  • a second adhesive layer may be present adjacent to the substantially transparent hydrophobic layer in the transfer element.
  • the invention relates to a printed article comprising in sequence:
  • the present invention provides a process and a system for using an ink jet receptor and a transfer element which result in right-reading printed images having improved quality and durability.
  • the ink jet receptor 10 has, in order, a first temporary carrier having a first release surface 11 , a first adhesive layer 12 on the first release surface, and an ink receiving layer 13 on the first adhesive layer.
  • the transfer element 20 has, in order, a second temporary carrier having a second release surface 21 , and a substantially transparent hydrophobic layer 22 on the second release surface.
  • a second adhesive layer 23 is present on the hydrophobic layer 22.
  • the first temporary carrier having a first release surface 11 is a material having sufficient stiffness and dimensional stability to support the a first adhesive layer 12 , the ink receiving layer 13 and a printed image without having the image distort or misalign. Typically, it should have sufficient water resistance that it can be exposed to an aqueous ink without warping or shrinkage. The material also should withstand heat and pressure applied during the lamination steps described below.
  • the first temporary carrier typically has a thickness of about 25 to about 250 microns (1.0 to 10 mils), preferably about 50 to 200 microns (2 to 8 mils).
  • Suitable materials include polymeric films, such as polyethylene terephthalate and polyethylene naphthanate, polyamides, polycarbonates, fluoropolymers, polyacetals, and polyolefins. Thin metal sheets may be selected, as well as natural or synthetic paper treated to be water resistant.
  • the substrate may be transparent, translucent, or opaque. It may be colored and can have components, such as antihalation dyes, incorporated therein to meet the needs of specific applications.
  • Polyethylene terephthalate films are a preferred support material.
  • the first release surface on the first temporary carrier may be integral with the first temporary carrier.
  • films having release surfaces include polyethylene or a fluoropolymer.
  • the release surface may be a separately applied release layer (not shown) on the first temporary carrier.
  • the release surface may be applied by known techniques including coating, spraying or dipping the temporary carrier material with the release material. Another technique might be to releasably apply it with another multilayer film structure.
  • the first release surface facilitates removal of the first temporary carrier 11 from the rest of the ink receptor sheet in step (c) of the process.
  • the first release surface includes a release agent selected from cellulose ethers; polyethylene oxides; polyacrylates or polymethacrylates;blends of water-soluble polymers with polyethylene oxide; silicones, thermoplastic polyamides and copolymers thereof such as Ultramid® 1C; and dispersions of polyolefins or polyfluorocarbons in water-soluble ploymers.
  • a silicone is a crosslinked silicone coating Furon® 8721 commercially available from Furon of Worcester, MA.
  • water soluble polymers include polyvinyl alcohol, polyvinyl pyrrolidone, polysaccharides, cellulosic compounds like hydroxy methyl cellulose, starch and gum.
  • cellulose ether is ethyl cellulose.
  • matting agents added to the material of the first release surface can be used to adjust the gloss characteristics of the layer adjacent to the first release surface.
  • Types and uses of matting agents are well known in the coatings industry. The choices of matting particle size and concentration are dictated by the thickness of the layer to be matted and the degree of matting desired.
  • the matting agent used should be chemically inert and may be either inorganic or organic.
  • suitable matting agents for use in making the first release surface include inorganic fillers such as silica or silicates, zeolites, calcined kaolin, diatomaceous earth, barium sulfate, aluminum hydroxide or calcium carbonate, glass beads, mica, tin oxide and titanium dioxide and organic matting agents such as polymeric particles, for example, particles of homo- or copolymers of styrene or styrene derivatives such as divinyl benzene, fluorcarbon polymers, and crosslinked polyacrylates and other materials that would be readily apparent to one skilled in the art.
  • the preferred matting agent is silica.
  • the level of matting would be obtained from very different weight amounts of matting agent depending upon the choice of matting agent, e.g., whether the matting agent is a polystyrene or a dense metal compound, or matting agent density, particle size, layer thickness and coating technique.
  • the amounts of any given matting agent could vary by severalfold to yield a given matte surface. Nonetheless, it is contemplated that in typical applications, the matting agent may be present in the amount of about 0.1 to about 50% by weight, based on the total weight of the layer.
  • the other components that may be including when making the first release surface are antistatic agents, colorants, antihalation dyes, surfactants, plasticizers, coating aids, and the like.
  • the first release surface may be a layer which generally has a thickness in the range of from about 0.1 to about 20 microns, and more typically from about 0.1 to about 3 microns.
  • the dry coating weight of the layer ranges from about 1 to about 200 mg/dm 2 , and more typically from about 1 to about 30 mg/dm 2 .
  • antistatic coatings may be present on one or both sides of the first temporary carrier having a first release surface 11 to reduce static if the first temporary carrier having a first release surface 11 is later separated by "peeling", as discussed below.
  • the antistatic coatings may also contain minor additive amounts of materials such as colorants, antihalation dyes, optical brighteners, surfactants, plasticizers, coating aids, and the like.
  • the first temporary carrier having a first release surface 11 may have a backing layer, to improve transport properties of the ink receptor in the ink-jet printer, if the material selected as the first temporary carrier does not possess the desired handling properties.
  • the backing layer may have antistatic agents, matting agents, and the like that are commonly employed in the art.
  • the first temporary carrier having a first release surface 11 may have an abrasion resistant coating as disclosed in U.S. Patent No. 5,069,942.
  • a first adhesive layer 12 present on the first temporary carrier having a first release surface 11 may be used to ensure adequate adhesion of the inked or imaged ink receptor sheet 10 to the final receptor 40 in step (d) of the process.
  • Adhesive materials for bonding different types of materials are well known in the art and are discussed in Handbook of Adhesives, 2nd Edition, Irving Skeist, Ed. (Van Nostrand Reinhold Co., New York, 1977).
  • the adhesive layer may be thermoplastic. Any conventional thermoplastic adhesive material can be used so long as it is not adversely affected by the printing step.
  • Representative materials include ethylene/vinyl acetate copolymers, vinyl chloride/vinyl acetate copolymers, vinyl chloride/vinylidene chloride copolymers, acrylate or methacrylate copolymers, and terpolymers.
  • a specifically contemplated material is a mixture of a polymer containing one or more monomers of methacrylate, methyl methacrylate, ethyl acrylate and acrylic acid with a polymers containing one or more monomers of ethyl acrylate and acrylic acid, thermoplastic polyamides, and the like and mixtures thereof.
  • a specific example of a useful adhesive material is a 50:50 mixture of acrylic copolymers.
  • compositions include acrylic resins, e.g., Carboset® sold by B. F. Goodrich of Leominster, MA; or crystalline polymers such as polycaprolactone.
  • the choice of adhesive will depend on the compositions of the release layer and the support.
  • the adhesive layer 12 may contain materials such as antistats, colorants, antihalation dyes, optical brighteners, surfactants, plasticizers, coating aids, and the like.
  • the first adhesive layer generally has a thickness in the range of 0.01 to 100 microns, preferably 3 to 15 microns. The thickness of the first adhesive layer is dependant on the roughness or smoothness of the final substrate.
  • the ink receiving layer is constructed of a composition having a balance of properties.
  • the ink receiving layer is affixed to the first adhesive layer such that it will remain with the imaged element during the process steps. It is desirable that the ink receiving layer not be so tacky at ambient temperatures that it presents a handling problem.
  • the ink receiving layer typically has a thickness of from about 3 to about 40 microns, more typically from about 5 to about 20 microns. It contains at least about 10 % by weight, typically 10 to 90% by weight, of a water soluble binder, typically selected from the group consisting of homo- and copolymers of vinyl alcohol and vinyl acetate, homo-and copolymers of vinyl pyrrolidone, methyl vinyl ether, cellulose compounds such as polyhydroxymethyl cellulose, polyhydroxyethyl cellulose, polyhydroxypropyl cellulose, polyhydroxypropyl methyl cellulose; homo- and copolymers of acrylic acid, methacrylic acid, maleic acid, and their metal or amine salts; starch, gelatin, gum arabic, and combinations thereof.
  • a water soluble binder typically selected from the group consisting of homo- and copolymers of vinyl alcohol and vinyl acetate, homo-and copolymers of vinyl pyrrolidone, methyl vinyl ether, cellulose compounds such as polyhydroxymethyl cellulose,
  • the ink receiving layer may contain conventional ingredients such as inorganic fillers, humectants, UV absorbers, polymeric dispersants, defoamers, mold inhibitors, antioxidants, latex, dye mordants, optical brighteners, etc.
  • the ink receiving layer generally has a thickness in the range of about 3 to about 40 microns, more typically about 10 to about 20 microns.
  • the first adhesive layer and the ink receiving layer are sequentially applied to the first temporary carrier having thereon a first release layer.
  • the ink receiving layer has a dry coating weight of about 30 mg/dm 2 (milligram per square decimeter) to about 600 mg/dm 2 ; similarly, the first adhesive layer has a coating weight from about 30 mg/dm 2 to about 1000 mg/dm 2 .
  • Appropriate coating weight of the ink receiving layer is needed to provide sufficient ink vehicle absorbing capacity to prevent ink spread and/or puddling and to minimize cockle with porous substrates.
  • the first adhesive and ink receiving layers are applied to the first temporary carrier by conventional coating methods such as roller coating or knife coating methods (e.g., air knife, trailing blade). All the ingredients can be premixed to form the compositions that are applied to the first release surface of the first temporary carrier at the dry coating weights set out above.
  • the ink receiving layer and the first adhesive layer may be laminated, in order, to a first release layer that is coated on a first temporary carrier.
  • the transfer element comprises a second temporary carrier having a second release surface 21 and a substantially transparent hydrophobic layer 22 .
  • a second adhesive layer 23 may be present adjacent the hydrophobic layer.
  • the second temporary carrier having a second release surface 21 may be any material having sufficient stiffness and dimensional stability to support the hydrophobic layer 22, and if present, the second adhesive layer 23. It has to be capable of assisting with the transfer of the image without having the image distort or misalign.
  • the material of the second temporary carrier also should withstand heat and pressure applied during the lamination steps described below.
  • the second temporary carrier typically has a thickness of about 25 to about 250 microns (1.0 to 10 mils), preferably about 50 to 200 microns (2 to 8 mils). Suitable materials include polymeric films, such as those disclosed earlier for the first temporary carrier having a first release surface. Polyethylene terephthalate films are a preferred support material.
  • the second release surface on the second temporary carrier 21 is similar to that described earlier for the first temporary carrier having a first release surface 11 , but it must adhere slightly more strongly to substantially transparent hydrophobic layer 22 than the first release layer of the first temporary carrier 11 adheres to the first adhesive layer 12, in order for the process to work efficiently.
  • Conventional coatings for the side of the second temporary carrier opposite to the side having the second release surface may be applied to the second temporary carrier having a second release surface 21 in order to reduce curl.
  • back coatings include layers duplicating the layers on the opposite side of the second temporary carrier to balance stresses caused by temperature, humidity or degree of molecular crosslinking in said layers.
  • Anticurl backcoating are also disclosed in U.S. Patent Nos. 4,503,111, U.S. 4,578,285, U.S. 5,068,140, U.S. 5,118,570, U.S. 5,277,965, and U.S. 5,302,437.
  • the second temporary carrier having a second release surface 21 may have a backing layer, to improve transport properties of the ink receptor in the ink-jet printer, if the material selected as the second temporary carrier does not possess the desired handling properties.
  • the backing layer may have antistatic agents, matting agents, and the like that are commonly employed in the art.
  • the second temporary carrier having a second release surface 21 may have an abrasion resistant coating as disclosed in U.S. Patent No. 5,069,942.
  • the layer is substantially transparent and preferably has no yellowness that might shift color balance of the printed image.
  • the hydrophobic layer 22 includes at least one compound selected from acrylate or methacrylate polymers and copolymers such as butyl methacrylate; epoxy resin, diene rubber such as polyisoprene, polybutadiene, styrene-butadiene rubber, chloroprene rubber; polyolefin elastomers; polyurethane elastomers; polyvinyl chloride; polyvinyl butyral; polycarbonates; cellulose esters or copolymers of the corresponding monomeric units.
  • acrylate or methacrylate polymers and copolymers such as butyl methacrylate; epoxy resin, diene rubber such as polyisoprene, polybutadiene, styrene-butadiene rubber, chloroprene rubber; polyolefin elastomers; polyurethane elastomers; polyvinyl chloride; polyvinyl butyral; polycarbonates; cellulose esters or copoly
  • Preferred compounds include butyl methacrylate, e.g., poly(n-butyl methacrylate), having glass transition temperatures (Tgs.) of between about 15°C and about 35°C, acrylate and methacrylate copolymers, or mixtures thereof.
  • a particularly useful mixture is a blend of a predominant amount of butyl methacrylate polymer and acrylic copolymers, such as those acrylic polymers described as useful for the first adhesive layer.
  • the functionality of the acrylic polymer determines useful mixture proportions; for example, it has been found that the poly(butyl methacrylate) added to certain acrylic resins (e.g., CARBOSET® resins) controls the hydrophilicity of those acrylic resins. A less hydrophilic acrylic resin might not require poly(butyl methacrylate).
  • the hydrophobic layer may also contain UV absorbers.
  • Suitable UV absorbers often contain groups such as, for example, benzoates, benzophenones, salicylates, cinnamates, dithiocarbamates, benzotriazoles, propenoic esters, diphenylacrylates and combinations thereof.
  • UV absorbers include the following: propoxylated ethyl para-aminobenzoate; propoxylated ethyl para-aminobenzoate; dipropylene glycol salicylate; 2-ethylhexyl para-dimethylaminobenzoate; 2-ethylhexyl-p-methoxycinnamate; 2-hydroxy-4-methoxybenzophenone; 2-hydroxy-4-n-octoxybenzophenone; hydroxybenzoate type; nickel dibutyl dithiocarbamate; N-(p-ethoxycarbonylphenyl)-N'-ethyl-N'-phenylformamidine; blends of benzophenone and 1-hydroxycyclohexyl phenyl ketone; 2-methyl-1-(4-methylthio)phenyl)-2-morpholinopropanone-1; 2-ethylhexyl-p-methoxy cinnamate; 2-hydroxy-4-methoxybenz
  • the layer is substantially transparent and preferably has no yellowness that might shift color balance of the printed image. Because of the process of use, matting agents tend to be ineffective in the hydrophobic layer 22, and such agents may cause unwanted haze over the printed image.
  • the hydrophobic layer 22 generally has a thickness in the range of from about 3 to about 40 microns, more typically from about 7 to about 20 microns.
  • an adhesive layer 23 may optionally be present on the hydrophobic layer 22.
  • the composition of the second adhesive layer 23 may be the same as or different from the first adhesive layer 12.
  • Some useful compositions include thermoplastic resins such as acrylic resins, e.g., Carboset®; or crystalline polymers such as polycaprolactone.
  • the layer may contain fillers such as silica particles to control tack, the presence or absence of fillers would be determined by the inherent tack of the polymer binder(s) employed as adhesive. It is important that the adhesive layer used be substantially transparent because the final image will be viewed through this layer if it is present in the transfer element.
  • the hydrophobic layer and the second adhesive layer are sequentially applied to a second temporary carrier having thereon a release layer.
  • the hydrophobic layer has a dry coating weight of about 30 mg/dm 2 (milligram per square decimeter) to about 600 mg/dm 2 ; similarly, the adhesive layer has a coating weight from about 30 mg/dm 2 to about 400 mg/dm 2 .
  • the hydrophobic layer and the optional second adhesive layer should be as thin as possible to minimize unwanted visual effects on the printed image, while still performing their design functions.
  • the layers are applied to the carrier support by conventional coating methods such as roller coating or knife coating methods (e.g., air knife, trailing blade). All the ingredients can be premixed to form the compositions that are applied to the surface of the release layer at the dry coating weights set out above.
  • the hydrophobic layer and the second adhesive layer may be laminated, in order, to a release layer that is coated on the second temporary carrier.
  • the adhesion balance between the various layers of the ink receiving sheet and the transfer element is important if these elements are to function effectively to transfer an ink jet applied image on to a final receptor.
  • the adhesion force at the point of separation should be lower than the adhesion forces between all other layers remaining at separation.
  • Anchor layers may be present between layers, other than at the point of separation, to increase the adhesion force between layers.
  • the final receptor for the colored image can be chosen from almost any material desired. For most applications a paper final receptor is used. Other materials which can be used as the final receptor include cloth; wood; glass; china; polymeric films such as poly(ethylene terephthalate), polyethylene, polypropylene, etc.; synthetic papers; thin metal sheets or foils; cardboard, etc.
  • the first adhesive layer provides the desired bonding strength between the ink receiving layer and the final receptor.
  • the transfer media provided by this invention may receive ink printed by conventional ink-jet printers, such as thermal or bubble jet printers, piezoelectric printers, continuous flow printers, or valve jet printers.
  • conventional ink-jet printers such as thermal or bubble jet printers, piezoelectric printers, continuous flow printers, or valve jet printers.
  • a transfer process may be used to produce a single or multi-colored image on a final receptor.
  • a ink receptor sheet 10 may be printed with one or more colored inks to form an image 30 .
  • Some useful inks are disclosed in U.S. 5,085,698 issued February 4, 1992.
  • a transfer element 20 is brought in contact with the ink image containing ink receptor sheet resulting in the image being sandwiched between the ink receiving layer 13 and the hydrophobic layer 22 .
  • the image is sandwiched between the ink receiving layer 13 and the second adhesive layer 23 .
  • contact is achieved by lamination of the transfer element to the image containing ink receptor sheet with the hydrophobic layer of the transfer element shown in Figure 2 adjacent the ink receiving layer of the ink receptor sheet carrying the ink image 30 .
  • the first temporary carrier having a first release surface 11 is removed, typically by peeling, revealing the first adhesive layer 12 .
  • the revealed first adhesive layer 12 of the resulting element is then contacted with the final receptor 40.
  • the second temporary carrier is then removed, typically peeled off, leaving the ink jet applied image 30 on the final receptor sandwiched between the ink receiving layer 13 and the hydrophobic layer 22 or the second adhesive layer 23 , if present.
  • This final element is shown in Figure 7.
  • each of the transfer media in the Examples was printed using an AX4 ink jet printer (E. I. du Pont de Nemours and Company, Wilmington, DE).
  • the printed medium was subsequently transferred to a permanent substrate by lamination.
  • the lamination equipment was either a WaterProof® Laminator (E. I. du Pont de Nemours and Company), at a temperature setting of about 100 to 135°C, preferably about 115°C; or an EasySprint® Laminator (E. I. du Pont de Nemours and Company) at a lamination temperature setting of about 115°C.
  • a color image was printed onto structure X with an AX4 ink jet printer (E. I. du Pont de Nemours and Company, Wilmington, DE).
  • Structure Y was laminated over the image with a WaterProof® Laminator (E. I. du Pont de Nemours and Company) at 110°C and the "film” setting (transport speed about 857 mm/min and total load of about 150 pounds (68 kg) on the rollers).
  • the 5 mil (127 micron) polyester film was peeled away, carrying with it the Furon® 8721 release layer, and discarded.
  • the remaining XY structure was laminated to a sheet of Reflections® paper (Consolidated Papers, Inc., Wisconsin Rapids, WI) with the WaterProof® Laminator set at 110°C and the "paper" setting (transport speed about 652 mm/min and a total load of 450 pounds (204 kg) on the rollers).
  • the 3 mil (76 micron) polyester film was peeled away, carrying with it the Furon® 8785 release layer, and discarded.
  • the result of this process was a durable, right-reading (positive), high-quality image on a final substrate.
  • Durable, right-reading, high-quality images were also obtained with other final substrates such as corona-treated polyethylene film, cardboard, Cromalin® CRS-1 Receptor (E. I. du Pont de Nemours and Company), and aluminum foil, using the preceding process with structures X and Y.
  • a 20% (by weight) solution of styrene copolymer (Kraton® G1657 from Shell Chemical Company) in cyclohexane is coated over a release layer (Furon® 8721) on 5 mil (127 micron) thick polyester film and dried to give about a 12 micron thick overlayer.
  • a 35% aqueous dispersion of polyurethane resin (Sancure® 815 from B. F. Goodrich Company, Leominster, MA) is coated over a release layer (Furon® 8785 on 3 mil (76 micron) thick polyester film) and dried to give about a 12 micron overlayer.
  • a 30% solution of poly (vinyl acetate) (AYAF from Union Carbide) in ethyl acetate is coated over the preceding polyurethane layer and dried to give about a 3 micron overlayer.
  • the resulting structure is structure V.
  • a color image is printed onto structure U with an AX4 ink jet printer.
  • Structure V is laminated over the image to give structure UV.
  • the polyester film base of structure U is peeled and discarded, carrying with it the corresponding release layer.
  • the remainder of structure UV is laminated to a paper substrate.
  • the polyester film base of structure V is peeled and discarded, carrying with it the corresponding release layer.
  • the result expected is a durable, right-reading, high-quality image on a final substrate.
  • thermoplastic styrene copolymer Kraton® D1118 from Shell Chemical Co.
  • cyclohexane was coated over a release layer (Furon® 8787 applied by Furon Company, Worcester, MA) on 3 mil (76 micron) thick polyester film and dried to give about a 12 micron thick overlayer.
  • a suspension containing 9.6% of polycaprolactone (CAPA 650 from Union Carbide), 0.4% of finely divided amorphous silica (Acematt® OK-607 from Degussa Corp., Ridgefield Park, NJ), 81% of toluene, and 9% of methanol was coated over the preceding layer of styrene copolymer and dried to give about a 3 microns thick overcoat. This resulted in structure T.
  • a color image was printed onto structure S with an AX4 ink jet printer.
  • Structure T was laminated onto the image to give structure ST.
  • the polyester film base of structure S was peeled and discarded, carrying with it the corresponding release layer.
  • the remainder of structure ST was laminated to paper.
  • the polyester film base of structure T was peeled and discarded, carrying with it the corresponding release layer.
  • the result of this process was a durable, right-reading, high-quality image on a final substrate.
  • Durable, right-reading, high-quality images were also obtained, using this process and structures S and T with other final substrates such as corona-treated polyethylene, cardboard, Cromalin® CRS-1 Receptor, and aluminum foil.
  • a color image was printed onto structure X (from Example 1) with an AX4 ink jet printer.
  • the printed image was placed face up on a WaterProof® carrier plate.
  • Structure N was laid face down over the image.
  • the resulting composite was passed through a WaterProof® Laminator set at 115°C, using the "film” setting.
  • the 5 mil (127 micron) polyester film of structure X was peeled away, carrying with it the corresponding release layer, and discarded.
  • the exposed first adhesive layer of the remaining NX structure was laid face down over a sheet of Reflections® paper.
  • This composite was passed through the WaterProof® Laminator at 115°C, using the "paper” setting.
  • the 3 mil (76 micron) polyester of structure N was peeled (from the rest of the laminate), carrying with it the corresponding release layer, and discarded.
  • the result of this process was a durable, right-reading, high-quality image on a final substrate.
  • a color image was printed onto structure X (from Example 1) with an AX4 ink jet printer.
  • Structure N (from Example 4) was laid over the image, so that its (second) adhesive layer contacted the ink receiving layer.
  • the resulting NX composite was passed through an EasySprint® Laminator set at 115°C.
  • the 5 mil (127 micron) polyester film of structure X was peeled away, carrying with it the corresponding release layer, and discarded.
  • a sheet of 5 mil (127 micron) polyester (recycled substrate from structure X) was placed on a WaterProof® carrier plate and smoothed with a WaterProof® static brush.
  • a sheet of corona treated polyethylene was placed, treated side up, on the 5 mil (127 micron) polyester sheet and smoothed with the brush.
  • the peeled NX laminate was placed face down over the polyethylene, so that its (first) adhesive layer contacted the polyethylene, and brushed smooth.
  • Two sheets of 5 mil (127 micron) polyester were laid over the NX laminate and brushed smooth.
  • the resulting stack was passed through an EasySprint® Laminator set at 115°C.
  • the 3 mil (76 micron) polyester film of structure N (with its corresponding release layer) was peeled from the rest of the final laminate to yield a durable, right-reading, high quality image on polyethylene film.

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EP01104145A 2000-03-30 2001-02-21 Tintenstrahlempfangsblatt und Übertragungselemente Withdrawn EP1138518A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US538770 1983-10-05
US53877000A 2000-03-30 2000-03-30

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EP1138518A2 true EP1138518A2 (de) 2001-10-04
EP1138518A3 EP1138518A3 (de) 2003-07-09

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WO2011091132A3 (en) * 2010-01-21 2011-12-22 3M Innovative Properties Company Multilayer film

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MX346688B (es) 2012-02-20 2017-03-29 Avery Dennison Corp Película multicapa para sistemas multifuncionales de inyección de tinta.
CN110511630A (zh) * 2019-07-31 2019-11-29 朱崇峰 一种建筑用防水涂料及其制备方法

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JPH10505800A (ja) * 1994-09-12 1998-06-09 ミネソタ・マイニング・アンド・マニュファクチャリング・カンパニー インクジェット印刷シート
US5847738A (en) * 1997-07-11 1998-12-08 Eastman Kodak Company Process for applying protective overcoat on printed media
US5962369A (en) * 1998-06-24 1999-10-05 Eastman Kodak Company Thermal dye transfer dye-donor element with transferable protection overcoat
US6200647B1 (en) * 1998-07-02 2001-03-13 3M Innovative Properties Company Image receptor medium

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011091132A3 (en) * 2010-01-21 2011-12-22 3M Innovative Properties Company Multilayer film

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EP1138518A3 (de) 2003-07-09

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