CN1224514A - Method of providing images on image receptor medium - Google Patents

Method of providing images on image receptor medium Download PDF

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Publication number
CN1224514A
CN1224514A CN96180390A CN96180390A CN1224514A CN 1224514 A CN1224514 A CN 1224514A CN 96180390 A CN96180390 A CN 96180390A CN 96180390 A CN96180390 A CN 96180390A CN 1224514 A CN1224514 A CN 1224514A
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China
Prior art keywords
image
receptor medium
medium
receiving layer
layer
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Granted
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CN96180390A
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Chinese (zh)
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CN1165813C (en
Inventor
S·R·奥斯汀
S·J·亚丁
J·O·埃姆斯兰德
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3M Co
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Minnesota Mining and Manufacturing Co
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/006—Substrates for image-receiving members; Image-receiving members comprising only one layer
    • G03G7/0073—Organic components thereof
    • G03G7/008—Organic components thereof being macromolecular
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • 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
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
    • B41M5/0358—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic characterised by the mechanisms or artifacts to obtain the transfer, e.g. the heating means, the pressure means or the transport means
    • 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
    • B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/0006—Cover layers for image-receiving members; Strippable coversheets
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/0006—Cover layers for image-receiving members; Strippable coversheets
    • G03G7/002—Organic components thereof
    • G03G7/0026—Organic components thereof being macromolecular
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/0006—Cover layers for image-receiving members; Strippable coversheets
    • G03G7/002—Organic components thereof
    • G03G7/0026—Organic components thereof being macromolecular
    • G03G7/004—Organic components thereof being macromolecular obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/0006—Cover layers for image-receiving members; Strippable coversheets
    • G03G7/002—Organic components thereof
    • G03G7/0026—Organic components thereof being macromolecular
    • G03G7/0046—Organic components thereof being macromolecular obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
    • G03G7/0053—Intermediate layers for image-receiving members

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Laminated Bodies (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Holo Graphy (AREA)

Abstract

The present invention provides a method of providing an image on an image receptor medium that involves forming an image on an image transfer medium and transferring the image to an image receptor medium. Using hot roll lamination as the transfer method, acceptable image transfer quality can be achieved at transfer rates in the range from 0.3 to 3.0 m/min, and more advantageously, 0.3 to 4.6 m/min. The image receptor medium includes an image reception layer comprising a polymeric component including one or more polymers, each polymer having a Vicat softening point and a melting point sufficiently higher than room temperature to avoid tackiness and handling difficulties. The image receptor medium can optionally include a substrate layer to enhance properties such as durability and weather resistance, a prime layer, and an adhesive layer.

Description

On image receptor medium, form the method for image
FIELD OF THE INVENTION
The present invention relates to film, be specifically related on this medium, form the method for image as the image receptor medium medium of advertisement and promotional thing (as be used for).
The background of invention
Advertisement and promotional thing often comprise be presented at that works surface (as truck side and cool fluffy) is gone up or free hanger (as flag) on image.In order to make this display material, image can be formed on the image receptor medium (being referred to as image seal mark film sometimes) of adhesive-backet, it is bonded on the required substrate subsequently, perhaps, can image be formed on the image conversion medium earlier, subsequently with image conversion to image receptor medium, have the base material of receiving layer above described image receptor medium generally includes.This base material is the polychloroethylene film of plasticising normally, although also can unusable paper.
Although the graphic demonstration thing can be 5 years or long-term setting for more time, often is the open air setting than short-term (3 months to 1 year).Under the situation of short-term display material, need low, the anti-Weather of this image receptor medium cost, be the durable image seal mark film that has good printing and printing ink and/or go up toner adhesion, and printing ink and last toner apply from the teeth outwards and from the surface easily and remove.Polyvinylchloride (PVC) counterdie that is used for image seal mark film at present is generally too expensive for short-term is used, and exists plasticizer migration, plastifier to stain problem with the bonding agent anchoring.In addition, Polyvinylchloride component itself existing problems.For example, the chlorination component of Polyvinylchloride can cause handling with Polyvinylchloride and use a relevant environment difficult problem in having the purposes of fire hazard, and the cadmium that exists in the stabilizing agent that uses in most of Polyvinylchloride prescriptions is in the restriction of many countries or ban use of.The paper substrate medium does not have enough permanance or anti-Weather, and tears easily when removing.Polyolefin counterdie cost is low, and plasticizer-containing does not still have good printing ink/last toner adhesion.Receiving layer is applied to common procedure of processing that need be extra on the counterdie, thereby has increased the cost of manufacturing process.
The electronic printing method is the known method that produces image.The electronic printing method comprises makes substrate (normally dielectric material) by electric printing equipment (a kind of electric printing equipment is an electrostatic printer).In printing machine, substrate is handled (addressed) by electrostatic charge (Tathagata is from stylus point) and is formed latent image, develops it with suitable last toner subsequently.This technology is particularly useful for the large-scale image that advertisement poster or mark are used.
, after the electronic printing method on the dielectric substrate finishes, the substrate of printing can be enclosed between the two-layer transparent plastic membrane of polyvinyl chloride at the image development of painting, be directly used in outdoor applications (as serving as a mark).But because typical dielectric material is a paper substrate, so their normal required Weather-resistants of outdoor mark that lacks.The better substrate of permanance (as Polyvinylchloride (PVC) and polyvinyl acetate (PVA) film) is difficult to direct imaging owing to its electricity and mechanical property.
In order to make the big phenotypic marker that is applicable to outdoor demonstration, the image that is deposited on the colouring on the dielectric substrate with the electronics print process can be transferred on the better image receptor medium of Weather-resistant.Be called carrier or image conversion medium with dielectric substrate this moment.This technical description is at United States Patent (USP) 5,262, in 259.
The image of painting is transferred to image receptor medium from the image conversion medium to be needed for example exert pressure and heat by lamination (hot-roll lamination) the heating press-roller device usually.Such image transfer technique is described in United States Patent (USP) 5,114, in 520.Although the hot-roll lamination device is effectively, think transfer speed too slow (generally per minute 0.5-1.0 rice).
The general introduction of invention
Need exploitation a kind of utilize hot-roll lamination with than at present possible speed faster transfer speed with the method for image conversion to the image receptor medium of low-cost, durable, Weather-resistant.
The invention solves the described problem in this area, disclose and a kind of image is formed at method on the image receptor medium, its transfer speed is obviously faster than present method, keeps the quality of good transferred image simultaneously.Described method comprises and earlier image being formed on the image conversion medium, subsequently with image conversion to the image receiving surface of image receptor medium.Described image receptor medium comprises the image receiving layer with two opposite first type surfaces, and one in described two first type surfaces is used for accepting image.
Image receiving layer comprises one or more polymkeric substance, and the Vicat softening point of various polymkeric substance and fusing point be apparently higher than room temperature, is clamminess and operating difficulties avoiding.Be preferably, the Vicat softening point of various polymkeric substance is approximately less than 100 ℃, and fusing point is less than about 150 ℃.Be more preferably, Vicat softening point is approximately less than 93 ℃, and fusing point is approximately less than 121 ℃.
Image receiving layer makes image receptor medium have visual acceptance." visual acceptance " refers to through after the rapid disbonded test of adhesive strip, and the image that is formed at or is applied on the image receptor medium still adheres to fully or almost completely adheres to.In described test, 3M SCOTCH Tape No.610 (available from Minnesota Mining and Manufacturing Company) is sticked on the image securely, remove this adhesive strip with the action of wrenching fast subsequently.Can be selected from the ethylene-acrylate of ethane-acetic acid ethyenyl ester, the acid/acrylate modified ethane-acetic acid ethyenyl ester of ethane-acetic acid ethyenyl ester, sour modification, anhydride modified ethane-acetic acid ethyenyl ester, sour modification, anhydride modified ethylene-acrylate, ethylene-propylene acetoacetic ester, ethylene-methyl acrylate, ethylene-acrylic acid, ionomer, polyester and composition thereof as the suitable polymers of image receiving layer.
On second first type surface of the image receiving layer opposite with image receiving surface, image receptor medium also can comprise the optional polymer substrate layer.The example that is used as the suitable polymers of this substrate layer comprises the polymkeric substance of non-plasticizing, as low density polyethylene, linear low density polyethylene (LLDPE), high density polyethylene, polypropylene, polyester, polyamide, polycarbonate, polyurethane, polystyrene and esters of acrylic acid.Substrate layer also can comprise Polyvinylchloride.
Image is preferably formed by electronic printing method (comprising electrostatic method and xerography).Image conversion is preferably as United States Patent (USP) 5,114, and 520 are describedly undertaken by hot-roll lamination.Use these technology in the methods of the invention, can be at per minute 0.3-3.0 rice (m/min), be preferably under the transfer speed of 0.3-4.6m/min and obtain qualified image conversion quality.These transfer speed faster than use existing image receptor medium the speed that may reach, thereby improved the throughput rate in the printing process, saved cost.
Image receptor medium can only comprise an individual layer preferably, thereby available simpler and cheap method makes.Comprise also under the situation of substrate layer that at image receptor medium except that image receiving layer this medium is the optimum performance of the several resins in the different layers comprehensively.For example, substrate layer can with general cheaply but also can provide the resin of specific physical property to make to required purposes.These performances can comprise dimensional stability, stickiness, elastomer performance, die cuttability, stiffness and flexible.Image receptor medium all need not to contain plastifier in its any layer, thereby has avoided the problem relevant with the plastifier pickup with plasticizer migration.In addition, the polymkeric substance that is included in the image receptor medium can be non-halogenated.Therefore, when processing of waste, can avoid the restriction of some rules (for example relevant) with Polyvinylchloride (PVC).
On the other hand, the invention provides above-mentioned image receptor medium.
The accompanying drawing summary
Fig. 1 is the synoptic diagram that forms one type printing station of image with the inventive method;
Fig. 2 is the synoptic diagram that image is transferred to the inventive method of image receptor medium from the image conversion medium;
Fig. 3 is the diagrammatic cross-section of the image receptor medium of the inventive method use, and described medium comprises optional substrate layer;
Fig. 4 is the diagrammatic cross-section of the image receptor medium of the inventive method use, and described medium comprises optional substrate layer and optional undercoat.
The example of invention
Image is formed at the electronic printing method that a kind of method on the image conversion medium is electrostatic printing shown in Figure 1. In Fig. 1, image conversion medium 1 comprises having the conductive paper substrate 2 that the first dielectric layer 4 reaches at least one lip-deep release coating 6. The image conversion medium also optionally is included between dielectric layer 4 and the substrate 2, or on the substrate surface opposite with release coating 6, perhaps one or more layers conductive layer (not shown) on the two simultaneously. This station is passed through along direction 8 in surface with image conversion medium 1 of release coating 6, so that the coating surface of paper passes through first recording needle write head 10, this writes the number of people 10 deposited charges 12, stays from the teeth outwards not charged interval 14. After write head 10, image conversion medium l is by having the colouring station of Toner applicator 16, and described applicator 16 is bathed 18 with the liquid Toner in container 20 and contacted. Liquid Toner 22 on the Toner applicator 16 and be deposited on the whole surface of image conversion medium l, never charged zone is removed Toner with vacuum tube 28 by carrier band subsequently, forms colouring zone 24 and colouring regional 26. Independent image of each deposition in a series of this printing stations, each printing station usually use a kind of in 4 kinds of different colours (black, blue or green, pinkish red and yellow). The chromatic image (being called color picture) that forms is displayed on the stripper surface of image conversion medium. This technical description is at United States Patent (USP) 5,262, in 259. This electrostatic printer is as known in the art, and can be for example available from 3M, Xerox Engineering Systems, Raster Graphics, Inc. and Nippon Steel Corporation.
After the image conversion medium formed image, this moment, the inventive method related to image conversion to the image receiving surface of image receptor medium. Can use in this area many known methods to carry out this transfer printing, for example in being called as the hot-roll lamination method, make the together nip rolls by heat of sheet material; Perhaps in vacuum calendering mould bases, sheet material is placed on the heated platen together. If make the final image on the image receptor medium have high quality and have good color fidelity, then quite complete (refer to seldom or remain on the image conversion medium without printing ink or Toner) and undistorted is answered in described transfer printing. Therefore under the transfer printing process condition, image must be stripped from from the image conversion dielectric surface easily, and can be bonded in well on the image receiving surface of image receptor medium.
Fig. 2 is the schematic diagram of image transfer means 31 preferably, and feed roller 33 is aligned to supplies with the image receptor medium coiled material 37 with image receiving surface 38 continuously, makes it around a series of cylindrical dummy roll 41,43,45 and 47. Cylindrical roller 49 is supported by supporting mass (not shown) movably in its end, this supporting physical efficiency with enough pressure with this roll-in to pad roller 51, form the coiled material that roll gap district 53 and engagement and extruding add this roll gap district 53. Have at least one to be (such as speed change electro-motor etc. by drive unit in the roller 49 and 51, not expression among the figure) drives, so that roller 49 and 51 with the speed that requires with opposite direction rotation, thereby coiled material is pulled through the roll gap district with the speed (being called transfer printing speed) that requires. Transfer printing speed preferably as far as possible soon so that productivity ratio is carried to the highest, still should must not make the image quality of transfer printing drop to underproof degree soon.
Roller 35 is aligned to provides the image conversion of in advance imaging medium 39 continuously, makes it to contact with image receptor medium 37, thereby described image is contacted with the image receiving surface 38 of image receptor medium. When coiled material 37 and 39 arrived roll gap district 53, they were pulled through between roller 49 and 51 and are pressed together, so that carrier band is at the image on the coiled material 39 and coiled material 37 close contacts and be stamped on the image receiving surface 38. In addition, the roller 49 that contact with coiled material 39 (discharge image coiled material) at least must heat, in order to improve its temperature when making this coiled material by the roll gap district. Perhaps pair roller 49 and 51 heats simultaneously.
Usually come nip pressure between control roll 49 and 51 with impinging upon cylinder on roller 49 shaft ends or hydraulic jack. Applicable nip pressure is generally 45-100 pound/inch2Or 3-7kg/cm (psi),2, this depends on the graphic of wanting transfer printing. Pass through after the roll gap district 53, coiled material is applied on the supporting plane 59 cools off. Separate coiled material 37 and 39 this moment, and image is transferred on the coiled material 37 now.
The image transfer technique that is called as " hot-roll lamination " is described in detail in United States Patent (USP) 5,114,520 (Wang etc.), and conduct is available from the Scotchprint of the Commercial Graphics Division of 3MTMThe part of Electronic Graphics System.
Do not destroy this image for transferred image fully, it is important selecting image conversion medium, graphic and image receptor medium. Be applicable to image conversion medium and the liquid Toner of electrostatic printing, be described in United States Patent (USP) 5,114, in 520 and 5,262,259.
As mentioned above, image receptor medium generally is to have the flexible sheet that above-mentioned image is accepted performance. This medium must have chemistry and the physical property that makes it to be applicable to required purposes. For example, if being outdoor advertising, required purposes shows that this image receptor medium must have good Weather-resistant, and has enough globalities to bear the operation that applies and remove in the process. Expect that in order to obtain the present invention fast transfer printing speed, image receptor medium 60 shown in Figure 3 comprise image receiving layer 64 and the optional substrate layer 68 that also contacts with it on a surface of image receiving layer. Image receiving layer 64 has outer surface 66 and is used for accepting image.
Image receiving layer
Image receiving layer 64 comprises the polymers compositions of one or more polymkeric substance, described polymkeric substance is suitable for providing to be accepted to be used for the printing ink of above-mentioned printing process or to go up toner, and can provide good image conversion capability and performance in required image conversion speed during with cast coating.Good image conversion quality refers to complete transfer printing, does not have the high quality image of obvious pin hole, defective or distortion.In addition, image receiving layer preferably is kept perfectly, and with the tendency minimum of the non-imaging moiety adhesion of image conversion medium, the polymers compositions of image receiving layer preferably includes one or more resins that can extrude or be coextruded into basic plane sheets.These resins can with the bonding and not delamination of adjacent optional substrate layer, if with these layers coextrusion or lamination.Perhaps, these polymers compositions can be the forms that is coated in the polymeric dispersions on the substrate layer with for example rolling method.
One or more polymkeric substance of image receiving layer can characterize with the fusing point that differential scanning calorimetry (DSC) records with Vicat softening point (the method ASTM D-1525 of U.S. test material association) with according to ASTM D-3418, in general, these temperature should be far above room temperature in order to avoid be clamminess and operating difficulties, but should enough hang down to provide acceptable image to accept performance.Be preferably, the Vicat softening point of the various polymkeric substance in image receiving layer is approximately less than 100 ℃, and fusing point is approximately less than 150 ℃.Preferably, Vicat softening point is approximately less than 93 ℃, and softening point is approximately less than 121 ℃.
Suitable polymers is selected from following material: ethane-acetic acid ethyenyl ester (EVA), as resin available from E.I.Du Pont deNemours and Co. (Du Pont) ELVAX by name; Acid, acid anhydrides or acid/acrylate modified EVA multipolymer are as selecting the resin available from the BYNEL by name of Du Pont; Sour or anhydride modified vinyl-acrylate copolymer, it comprises selected BYNEL resin available from Du Pont; Ethylene-propylene acetoacetic ester (EEA) multipolymer is as available from Union Carbide Chemicals and Plastics Company, the DPDA resin of Inc.; Ethylene-methyl acrylate (EMA) is as the OPTEMA TC-120 resin available from Exxon Chemical Co.; Ethylene-acrylic acid (EAA) is as available from the PRIMACOR resin of Dow Chemical Co. or available from the ADCOTE aqueous liquid dispersion of MortonInternational; Ionomer is as the SURLYN ethylene-methacrylic acid copolymer resin available from Du Pont; Polyester, as available from Bostik, Inc., the BOSTIK resin; And the blend of above-mentioned material.BYNEL CXA 3000 series modified EVA resins available from Du Pont are better polymerization thing components that a class is used for image receiving layer.This serial resin and the basic resin of the EVA of the polymkeric substance blending that contains acid and acrylate functionalities.Add the chemical functionality at this BYNEL resin series and help its superior printing characteristics and ink adhesion characteristic.These resins are usually used in being clipped between the thicker functionalized layer as thin bonding agent transition bed in the coextrusion method.Another kind of better polymerization thing component as image receiving layer is the SURLYN series ethylene-methacrylic acid copolymer ionomer resin available from Du Pont.
Polymers compositions can account for 100% of image receiving layer weight, or it can account for a little little amount.Be preferably in the amount maximum that makes polymers compositions in the image receiving layer in the limit of performance requirement of image receptor medium of required purposes.Can use conventional method to make this content optimization.Best content depends on required purposes, and the performance of polymers compositions can be subjected to the influence of other adjuvant in the image receiving layer (adjuvant as described below).
Image receiving layer can contain other component, and as pigment, filler, ultraviolet light (UV) absorbing agent and stabilizing agent, slip agent, antistatic agent be used for the vector resin of adjuvant (as pigment), all these components all are that those of ordinary skills know.If image receiving layer 64 uses with substrate layer 68, to compare image receiving layer 64 thinner with substrate layer 68, and its thickness better is about 2.5-127 micron (0.1-5mil).If image receiving layer 64 does not use with substrate layer 68, then image receiving layer should be thicker than above-mentioned scope, so that provide required permanance and dimensional stability for the purposes that requires.
Optional substrate layer
If, for example need other layer so that enough permanance and dimensional stabilitys to be provided, then can comprise substrate layer 68 in the image receptor medium structure.For graphic demonstration purposes substrate layer 68 White-opalescent normally, but also can be transparent, colored opaque or translucent.Substrate layer can comprise any polymeric material of the physical property with required purposes requirement.The example of these performances has flexible (or stiffness), permanance, resistance to tearing, thermotolerance, the stickiness to uneven surface, die cuttability, Weather-resistant and elasticity.For example, the image seal mark film that is used for short-term outdoor publicity displaying can bear about 3 months to 1 year outdoor condition usually, and has resistance to tearing and the permanance that can paste easily and remove.
The material that is used for substrate layer better is the resin that can extrude or be coextruded into basic planar film.Suitable examples of material comprises polyester, polyolefin, polyamide, polycarbonate, polystyrene, esters of acrylic acid, polyurethane and Polyvinylchloride.Be preferably, substrate layer comprises the problem of polymkeric substance to avoid plasticizer migration and to stain of non-plasticizing.
Substrate layer also can contain other component that those of ordinary skill in the art knows, as pigment, filler, UV absorbers, slip agent, antiblocking agent, antistatic agent and processing aid.The general thickness of substrate layer 10 is about 12.7-254 micron (0.5-10mil).But its thickness can exceed this scope, as long as the image receptor medium that forms is not thick as can not to send in the selected image conversion equipment.The thickness that uses is generally decided according to the requirement of required purposes.
Optional undercoat
As shown in Figure 4, image receptor medium comprises and is positioned at the substrate layer 68 lip-deep optional undercoats 69 opposite with image receiving layer 64.To not make bonding strong inadequately if there is undercoat, then undercoat is used to increase the cohesive strength between substrate layer and the adhesive phase (not shown).The existence of adhesive phase makes image receptor medium be suitable for as image seal mark film.
Although preferably use contact adhesive, can use any bonding agent that is particularly suitable for substrate layer and selected purposes.These bonding agents are known in the art, and can comprise bonding agent, contact adhesive, relocatable or orientable bonding agent, hotmelt of aggressive tack etc.These bonding agents can be available from 3M company.
Adhesive phase preferably covers the peeling liner (not shown), so that protected this bonding agent before preparing to apply image receptor medium from the teeth outwards.Also can undercoat 69 is own as adhesive phase in some purposes.Undercoat preferably includes ethane-acetic acid ethyenyl ester resin and the filler that contains the 5-28 weight % vinyl acetate of having an appointment, and as talcum, so that the undercoat surface has certain roughness, helps to prevent adhesion, promotes the bonding of bonding agent.The content of filler generally is about 2-10 weight %.
Except image receiving layer 64, optional substrate layer 68 and optional undercoat 69, scope of the present invention also comprises other layer.Other layer can be used for adding color, increase dimensional stability, promote in above-mentioned layer bonding between the different polymkeric substance, or the like.After image conversion is to the image receptor medium, can be on the bonding optional protectiveness in image surface lamella (overlaminate layer) (not shown).Should go up lamella and can protect image receptor medium to avoid the influence of ambient humidity and direct sunlight, and the protection image exempts from cut, abrades and splashes.In addition, lamella can make image have required surface layer (as high gloss or unglazed) on this.Suitable last lamella is included in any suitable transparent plastic sheet material that a surface has bonding agent.Thisly lamellose use and for example be described in the United States Patent (USP) 4,966,804.
Can make image receptor medium 60 and 70 by serial of methods.Can use extruding or coextrusion die head and use any suitable film-forming method (extruding or the flat film that squeezes is extruded) extruding layer 64 and optional layer 68 and 69 simultaneously of any adequate types as inflation film.The layer of adhesive layer can be with other layer coextrusion, can be transferred on the image receptor medium or with extra procedure of processing from lining and directly be coated on the image receptor medium.In order to obtain best performance in coextrusion, the polymeric material that is used as each layer should be chosen to have similar performance (as melt viscosity).Coextrusion technology can be with reference to many Polymer Processing documents, and it comprises Progelhof.R.C. and J.L.Throne, " Polymer Engineering Principles ", Hanser/Gardner Publications, Inc., Cincinnati, OH, 1993.
Perhaps, can be extruded into sheet material separately, and these sheet materials are laminated together to form image receptor medium this one or more layers.Also water base or solvent base dispersion liquid can be coated in one or more layers layer of extruding in advance and go up formation this one or more layers.This method is not best, because it needs extra procedure of processing and produces extra refuse.
Can carry out surface treatment (as corona treatment) to the image receptor medium that makes to improve the ability to accept of image receiving layer to the printing ink and the last toner of some purposes.
The following example will further specify the present invention, but the concrete material that uses among these embodiment, its consumption and other condition and details should not constitute qualification to the present invention.
Embodiment 1
Followingly make four kinds of image receptor mediums of the present invention, they comprise substrate layer and image receiving layer separately: in two styles each, use flat squeezing to make film.Resin granular material is added in 4.45cm (1.75 inches) the Prodex single screw extrusion machine, and Temperature Distribution (profile) is 171-232 ℃ (340-450 a °F), and melt temperature is 207 ℃ (405 °F).Use forging die to squeeze on thick polyethylene terephthalate (PET) counterdie of the wide and about 0.05mm of about 30cm (12 inches) (0.002 inch) extrudate is flat.The membrane structure that forms is by between quenching steel rider and the rubber blanket roller, with the resin solidification Cheng Houyue 0.05mm (0.002 inch) of fusion layer.The sample 1A that makes with this method contains the BYNEL CXA 3101 acid/acrylate modified EVA resin available from Du Pont, does not contain other adjuvant, and sample 1B only contains also the EVA resin available from the BYNEL CXA 1123 sour modifications of Du Pont.Two kinds of samples are all used Electro-Technic Products, Inc.Of Chicago.IL, and the portable corona processor of #BD-20C type of USA system carries out corona treatment.
The two kinds of samples in back (sample 1C and 1D) all make with conventional inflation film coetrusion with comparative film sample (sample C-1).In three extruders each is all supplied with the melt batching and is given an annular die head, and melt is merged into single melt-flow in this die head, by its forms three of sleeve shaped different layer.For each sample, the melt of extruder A forms image receiving layer, and the melt of extruder B forms substrate layer, and the melt of extruder C forms undercoat.For control sample C-1, every layer of potpourri that only comprises LLDPE or LDPE and LLDPE is as polymers compositions.Subsequently by air is fed sleeve and with this collet head between the nip rolls of die head and blown film tower top, the polymer sleeve of fusion is blow molded into its final diameter and thickness.Then the rip cutting of Membrane cover tube is become the flat diaphragm material of two width of cloth, every width of cloth electric charge receiving layer one side is carried out corona treatment and twined rolling.The sample that forms has the thickness of about 0.1mm (0.004 inch) separately, although the distribution of bed thickness is different.Layer formula and thickness are listed in the table below.
Layer formula
Composition Sample 1C (weight portion) Sample 1D (weight portion) Sample C-1 (weight portion)
Image receiving layer
ELVAX 3135 ethane-acetic acid ethyenyl esters (EVA) resins (Du Pont) ????100 ????- ????-
BYNEL CXA 3101 acid/acrylate modified EVA resin (Du Pont) ????- ????100
AMPACET?11976TiO 2Color concentrate (Ampacet Corp., Tarrytown, NJ) ????20 ????20 ????25
POLYFIL MT5000 talcum masterbatch (Polyfil Corp., Dover, NJ) ????20 ????5 ????10
AMPACET 10407 UV inhibitor masterbatch (Ampacet Corp., Tarrytown.NJ) ????5 ????5 ????5
ESCORENE 108.37 ldpe resins (Exxon Chemical Co.) ????- ????- ????60
6109T type low density polyethylene resin (Chevron Chemical Co.) ????- ????- ????40
Substrate layer
DOWLEX 2256A type low density polyethylene resin (Dow Chemical Midland, MI) ????100 ????100 ????-
6109T type low density polyethylene resin (Chevron Chemical Co.) ????- ????- ????100
AMPACET?11976TiO 2Color concentrate (Ampacet Corp., Tarrytown, NJ) ????30 ????30 ????-
AMPACET 10407 UV inhibitor masterbatch (Ampacet Corp., Tarrytown, NJ) ????5 ????5 ????5
AMPACET 19270 black masterbatch (Ampacet Corp., Tarrytown, NJ) ????- ????- ????1
Undercoat
ELVAX 3135B ethane-acetic acid ethyenyl ester (EVA) resin (Du Pont) ????100 ????100 ????-
ESCORENE 108.37 ldpe resins (Exxon Chemical Co.) ????- ????- ????60
6109T type low density polyethylene resin (Chevron Chemical Co.) ????- ????- ????40
POLYFIL MT5000 talcum masterbatch (Polyfil Corp., Dover, NJ) ????20 ????20 ????10
AMPACET 10407 UV inhibitor masterbatch (Ampacet Corp., Tarrytown, NJ) ????5 ????3 ????-
AMPACET?11976?TiO 2Color concentrate (Ampacet Corp., Tarrytown, NJ) ????- ????- ????25
Bed thickness
Layer Sample 1C (% film gross thickness) Sample 1D (% film gross thickness) Sample C-1 (% film gross thickness)
Image receiving layer ????40 ????40 ????30
Substrate layer ????45 ????45 ????40
Undercoat ????15 ????15 ????30
Estimate the image conversion quality of all samples.For carrying out described evaluation, at a SCOTCHPRINT TMIn 9512 electrostatic printers multicolored striped pattern (weather bar graphic) imaging at SCOTCHPRINT available from 3M TMOn 8601 offset mediums.Place the image of having painted on the offset medium then and make it to contact, allow two sheet materials by being set in the Pro-Tech Model EGS-692 hot-roll lamination machine of 96 ℃ (205) and 441kPa (64psi) with the image receiving layer of multilayer film.Increase the transfer speed of each sample gradually, till the transfer quality variation.According to visual observation the quality of transferred image being defined the level is " poor ", " qualifying ", " well " or " excellent ".The results are shown in the following table.
Sample The image conversion quality The maximum image conversion speed of permission (rice/minute) (fpm)
????1A Well ????3.7(12)
????1B Well ????3.7(12)
????1C Well ????2.6(8.5)
????1D Well ????3.1(10)
????C-1 Pass-good ????0.5(1.5)
Under low-down transfer speed, control sample C-1 only has qualified image conversion quality.The sample ID that is important to note that the LDPE that contains BYNEL CXA 3101 modified EVA resins and about 13% weight vector resin form provides good ink adhesion and image conversion quality.This result is somewhat wondrous, because LDPE and LLDPE (shown in the sample C-1) are bad ink receptors.
Embodiment 2
Image is provided and estimates visual transfer quality to 12 image receptor medium samples according to the present invention.Each sample is that thickness is the film of 25-254 micron, is made and is contained single image receiving layer by the standard extrusion molding.What compare evaluation is that ldpe film and commercially available image receptor medium are (available from the SCOTCHPRINT of 3M TMCONTROLTAC TMSeal mark film 8620).At SCOTCHPRINT TMUse standard SCOTCHPRINT in 9512 electrostatic printers TMLast toner is at SCOTCHPRINT TMProduce image on 8601 offset mediums.All these products are all available from 3M.Usefulness is set in the image conversion of the Pro-Tech EGS-692 type hot-roll lamination machine handle colouring under 96 ℃ (205) and 441kPa (64psi) condition to each film sample then.Transfer speed is 0.6 and 3.1 meter/minute (2 and 10 inch per minute clock (fpm)).
Under low and high transfer speed, estimate the image conversion quality of sample with range estimation standard method deciding grade and level system (VSM).This method comprises to be checked after the transfer printing and remainingly on the offset medium to go up toner and check the homogeneity of the transferred image quality accepted on the medium, color and whether have defective.With medium and standard sample relatively and deciding grade and level, the required minimal level of qualified transfer printing is 8.5, and rank is 10.0 to think best last toner transfer printing.Minimum rank is 4.0.Polymkeric substance and corresponding results all are listed in the following table:
Image conversion quality [VSM] under following transfer speed
Sample Thin polymer film 0.6 rice/minute (2fpm) 3.1 rice/minute (10fpm)
?2A Contain the extrusion film of ELVAX 3124-2 ethylene vinyl acetate resin (EVA) (E.I.Du Pont de Nemours ﹠ Co) ????10.0 ????8.5
?2B Contain the extrusion film of ELVAX 4260 EVA resins (Du Pont) ????10.0 ????9.0
?2C Contain the extrusion film of ELVAX 4355 EVA resins (Du Pont) ????10.0 ????8.5
?2D Contain the extrusion film of the EVA resin (Du Pont) of BYNEL 1123 sour modifications ????10.0 ????9.0
?2E Contain the extrusion film of the EVA resin (Du Pont) of BYNEL CXA 3101 acid/acrylate modified ????10.0 ????9.0
?2F Contain the extrusion film of the ethylene-acrylate resin (Du Pont) of BYNEL 2002 sour modifications ????10.0 ????9.0
?2G The hot melt press membrane that contains DPDA 9169 ethylene ethyl acrylate copolymers (EEA) (Union Carbide Chemicals and Plastics Co.Inc) ????10.0 ????7.5
?2H Contain the extrusion film of TC-120 ethylene methyl acrylate resin (EMA) (Exxon Chemical Corp.) ????10.0 ????9.0
?2I Contain 51 microns (2mil) thick extrusion films of Primacor 3440 acetate acrylic resins (EAA) (Dow Chemical) and ultraviolet light stabilized agent composition (comprising a pair of ultra-violet absorber, hindered amine as light stabilizer and antioxidant) ????10.0 ????7.5
?2J Contain SURLYN 1705-1EMA terpolymer ionomer key resin (Du Pont), 12% weight TiO 2102 microns (4mil) thick extrusion films with uv radiation stability agent composition (comprising a pair of ultra-violet absorber, hindered amine as light stabilizer and antioxidant) ????10.0 ????7.0
?2K Contain the extrusion film of (comprising a pair of ultra-violet absorber, hindered amine as light stabilizer and antioxidant) of SURLYN 1705-1EMA terpolymer ionomer key resin (Du Pont) and uv radiation stability agent composition ????10.0 ????4.0
?2L Contain BOSTIK-4189 vibrin (Bostik, Inc.) hot melt press membrane ????10.0 ????9.5
?C-2 SCOTCHPRINT TM?CONTROLTAC TMSeal mark film 8620 (3M) ????9.5 ????＜4.0
?C-3 Contain ldpe resin (LDPE) and TiO 2The extrusion film of based colour concentrate ????＜4.0 ????＜4.0
Except that control sample C-3 (LDPE), all samples all have good transfer quality in the time of 0.6 meter/minute.In the time of 3.1 meters/minute, all samples all have comparison than sample C-2 and the much better transfer quality of C-3 except that sample 2K.
Embodiment 3
Estimate the image conversion quality of two kinds of relevant laminating temperatures of image receptor medium, lamination pressure, transfer speed and image conversion media.First kind of sample is the sample 1D film described in the embodiment 1.This image receiving layer contains BYNEL CXA 3101 acid/acrylate modified EVA resin (available from Du Pont) and titania (TiO 2) basic white master material, this masterbatch contains 50%LDPE as vector resin, so that this layer is white in color.Undercoat contains ELVAX 3135B EVA resin (available from Du Pont) and black masterbatch, so that this layer is black.
Second kind of film made by the layer of extruding 102 microns (4 mil) the thick SURLYN of containing 1705 ethylene acid copolymer ionomer resins (available from Du Pont).This film contains the TiO of 8.55% weight LDPE with about 20% weight 2Based colour concentrate is coloured to white, and contains the uv radiation stability agent composition (package) that is similar to resin manufacture merchant recommendation, and this potpourri contains a pair of ultra-violet absorber, hindered amine as light stabilizer and antioxidant.Corona discharge Treatment is carried out on a surface to film.With the nip rolls of a pair of heating 25.4 microns (1 mil) thick acrylic psa are pressed onto on the surface that corona treatment crosses layer by layer, add peeling liner then, to protect this adhesive phase.This film is marked as sample 3A.
By the method identical with embodiment 1 at SCOTCHPRINT TM8601 and SCOTCHPRINT TM8603 offset mediums (all available from 3M) are gone up and are formed candy strip.Under the combination of high and low lamination temperature (96 ℃ and 88 ℃), height and low lamination pressure (441kPa and 276kPa) and high and low transfer speed (1.5 meters/minute and 0.5 meter/minute), these pattern transfer are arrived sample 1D and 3A and control sample SCOTCHPRINT with the hot-roll lamination machine TMCONTROLTAC TMOn the seal mark film 8620.Range estimation standard method deciding grade and level system (VSM) with embodiment 2 is estimated visual transfer quality.The results are shown in the following table.
Sample The image conversion medium Laminating temperature [℃ (°F)] Lamination pressure [kPa (psi)] Transfer speed [rice/minute (fpm)] Transfer quality [VSM]
SCOTCHPR INT TM?8620 ?SCOTCHPRINT TM8601 ?96(205) 441(64) ??0.5(1.5) ?????10.0
????3A ?SCOTCHPRINT TM8601 ?96(205) 441(64) ??1.5(5.0) ?????10.0
????1D ?SCOTCHPRINT TM8601 ?96(205) 441(64) ??1.5(5.0) ?????9.5 *
????1D ?SCOTCHPRINT TM8601 ?96(205) 276(40) ??1.5(5.0) ?????9.0 *
????1D ?SCOTCHPRINT TM8601 ?88(190) 441(64) ??1.5(5.0) ?????8.5 *
????1D ?SCOTCHPRINT TM8601 ?88(190) 276(40) ??1.5(5.0) ?????6.5 *
????1D ?SCOTCHPRINT TM8603 ?96(205) 441(64) ??0.5(1.5) ?????10.0
????1D ?SCOTCHPRINT TM8603 ?96(205) 441(64) ??1.5(5.0) ?????7.0
????1D ?SCOTCHPRINT TM8603 ?96(205) 276(40) ??1.5(5.0) ?????6.5
????1D ?SCOTCHPRINT TM8603 ?88(190) 441(64) ??1.5(5.0) ?????7.0
????1D ?SCOTCHPRINT TM8603 ?88(190) 276(40) ??1.5(5.0) ?????6.0
*The partial images receiving layer bonds to the white of image conversion medium, no image region.
When using SCOTCHPRINT TMDuring 8601 offset mediums, sample 1D and 3A have good transfer quality under higher transfer speed.Yet, the white that sample 1D adheres to (containing BYNEL modified EVA resin) the offset medium zone of not painting.This result is wonderful, because the sample 2E of embodiment 2 that contains 100%BYNEL modified EVA resin film is from SCOTCHPRINT TM8601 offset mediums do not stick together when accepting image.Someone thinks, may cause adhesion to the corona treatment of sample 1D.
Embodiment 4
Polymer aqueous dispersion is coated in formation image receiving layer on the thin polymer film and makes four image receptor mediums.Each coating solution applies diethylene glycol monobutyl ether while stirring in agent and two kinds of ultraviolet lights (UV) stabilizing agent adding polymer aqueous dispersion and makes.Its prescription is listed in the table below:
Composition Solution # 1 content (g) Solution #2 (content)
SURLYN ionomer dispersion liquid 56220,31% solids (Du Pont) ????200 ????-
ADCOTE 50T4983 ethylene acrylic dispersion liquid, 25% solid (Morton International) ????- ????200
Diethylene glycol monobutyl ether applies agent ????10.7 ????10.65
TINUVIN 1130UV stabilizing agent (Ciba-Geigy Corp) ????1.62 ????1.3
TINUVIN 123UV stabilizing agent (Ciba-Geigy Corp.) ????1.1 ????0.89
The gap of will wetting is set in 3.0mil and with the scraper strip cladding process various solution is coated on polyester substrate and the Polyvinylchloride substrate.With coating dry 4 minutes respectively, make the image receptor medium that comprises image receiving layer and substrate layer at 93 ℃ (200 °F).These samples are marked as 4A-4D.As described in the embodiment 1 at SCOTCHPRINT TMImage is provided and estimates visual transfer quality to each sample on 8601 offset mediums, laminate speed is 1.2,2.1,3.1 and 3.8m/min.The results are shown in following table.
Sample The image receiving layer polymkeric substance Substrate layer Image conversion quality under following transfer speed
?1.2m/min ?(4fpm) ??2.1m/min ??(7fpm) ??3.1m/min ??(10fpm) ??3.8m/min ??(12.5fpm)
????4A Ionomer Polyester ?9.5 ??7.0 ??6.0 ????-
????4B EAA Polyester ?9.5 * ??9.0 * ??8.0 * ????-
????4C Ionomer Polyvinylchloride ?- ??9.5 ??9.0 ????8.0
????4D EAA Polyvinylchloride ?- ??9.5 * ??9.0 * ????8.5 *
*The partial images receiving layer bonds to white, the nothing colouring zone of image conversion medium.
All samples all show good transfer quality, especially on softer Polyvinylchloride substrate.Sample 4B and 4D are attached to (containing EAA) white of image conversion medium does not really have the colouring zone.Be important to note that sample 4A and 4B (having harder polyester substrate) all show under the transfer printing speed up to 2.1m/min good on the toner acceptance, although believed the image that needs soft applying film to accept to paint in the past.
Comparative Examples 5
In order to compare, estimate the ink adhesion and the image conversion quality of the label film of commercially available multi-layer co-extruded adhesive-backet with the foregoing description.These samples comprise Pasadena, the FASCLEAR of CA and PRIMAX label film available from Avery International Corporationof.During evaluation, each diaphragm is placed on 30 centimetres of 3M SCOTCHCAL of 30 cm x TMOn the 180-10 image seal mark diaphragm.
Estimate the image conversion quality of various label film samples.At 3M SCOTCHPRINT TMOn 9512 electrostatic printers multicolored striped pattern is printed on 3M SCOTCHPRINT TMOn 8601.Subsequently with the Pro-Tech EGS-692 type hot-roll lamination machine that is set in 96 ℃ and 441kPa (64psi) with the image conversion of painting to the sample film.With 0.5m/min (1.5fpm) and 1.2m/min (4fpm) with image conversion to each sample.Grade with the image conversion quality of mensuration with range estimation standard law (VSM) with visual sample.Use following grid test that all samples are estimated subsequently.Use sharp razor blade angle on each sample, to draw 10 parallel lines of about 1.6mm (1/16 inch) at interval.Line is only cut supreme colorant layer and is not reached counterdie deeply.Go up colorant layer with the direction incision vertical and mark the similar line of another group, form the figure of drawing lattice with this group line.Then the 3M SCOTCH adhesive strip #610 of a slice 2.5 * 10.2cm (1 * 4 inch) being sticked on the figure of this stroke lattice and using 3M PA-1 applicator rubber roll to roll makes for twice it cement.This adhesive strip is peeled off in wrench fast subsequently, observes the last toner dropping situations of drawing the lattice sample.The results are shown in following table.
Test The PRIMAX label film The PASCLEAR label film
Image conversion quality when 0.5m/min ????＜4.0 ??????9.5
Image conversion quality when 1.2m/min ????＜4.0 ????＜4.0
Toner adhesion on when 0.5m/min Do not come off Do not come off
Toner adhesion on when 1.2m/min Part comes off Do not come off
The PRIMAX film shows the image conversion quality (poorer than minimum possible rank) of difference under two kinds of speed.The FASCLEAR film shows good image conversion quality under slower transfer speed, but is showing relatively poor transfer quality under the transfer speed faster.By comparison, the film described in the foregoing description still shows qualified image conversion quality under up to the transfer speed of 3.8 meters/minute (12.5fpm).
The present invention is not subjected to the restriction of above-mentioned embodiment, and is determined by appending claims.

Claims (8)

1. a method that forms image on image receptor medium comprises the following steps:
(a) on the image conversion medium, form image;
(b) with the image conversion of step (a) to image receptor medium, this image receptor medium comprises the image receiving layer with two opposite major surfaces, wherein first first type surface is the surface that is used to accept image,
Described image receiving layer comprises the polymers compositions that contains one or more polymkeric substance, and the Vicat softening point of various polymkeric substance and fusing point be apparently higher than room temperature, is clamminess and operating difficulties avoiding.
2. the method for claim 1, the Vicat softening point that it is characterized in that the various polymkeric substance in image receiving layer is less than 100 ℃, and fusing point is less than 150 ℃.
3. method as claimed in claim 1 or 2 is characterized in that the polymers compositions of image receiving layer is selected from the ethylene-acrylate of the ethane-acetic acid ethyenyl ester of ethane-acetic acid ethyenyl ester, sour modification, acid/acrylate modified ethane-acetic acid ethyenyl ester, anhydride modified ethane-acetic acid ethyenyl ester, sour modification, anhydride modified ethylene-acrylate, ethylene-propylene acetoacetic ester, ethylene-methyl acrylate, ethylene-acrylic acid, ionomer, polyester or its potpourri.
4. as any one described method among the claim 1-3, the polymers compositions that it is characterized in that image receiving layer is acid/acrylate modified ethane-acetic acid ethyenyl ester or an ethylene-methacrylic acid copolymer ionomer.
5. as any one described method among the claim 1-4, it is characterized in that described image receptor medium also is included in the polymer-matrix lamella on the image receiving layer opposite with image receiving surface second first type surface.
6. method as claimed in claim 5 is characterized in that described image receptor medium also comprises the undercoat on the substrate layer outside surface, and this undercoat has an outside surface.
7. method as claimed in claim 6 is characterized in that described image receptor medium also is included in the adhesive phase on the undercoat outside surface.
8. can be with the image receptor medium that makes as any one described method among the claim 1-7.
CNB961803908A 1996-07-25 1996-11-26 Method of providing images on image receptor medium Expired - Fee Related CN1165813C (en)

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