WO2006078527A2 - Film de marquage, procede de production de ce film et utilisation de celui-ci - Google Patents

Film de marquage, procede de production de ce film et utilisation de celui-ci Download PDF

Info

Publication number
WO2006078527A2
WO2006078527A2 PCT/US2006/001013 US2006001013W WO2006078527A2 WO 2006078527 A2 WO2006078527 A2 WO 2006078527A2 US 2006001013 W US2006001013 W US 2006001013W WO 2006078527 A2 WO2006078527 A2 WO 2006078527A2
Authority
WO
WIPO (PCT)
Prior art keywords
film
image
receptor
protective layer
marking
Prior art date
Application number
PCT/US2006/001013
Other languages
English (en)
Other versions
WO2006078527A3 (fr
Inventor
Hidetoshi Abe
Original Assignee
3M Innovative Properties Company
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 3M Innovative Properties Company filed Critical 3M Innovative Properties Company
Publication of WO2006078527A2 publication Critical patent/WO2006078527A2/fr
Publication of WO2006078527A3 publication Critical patent/WO2006078527A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/0256—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet the transferable ink pattern being obtained by means of a computer driven printer, e.g. an ink jet or laser printer, or by electrographic means
    • 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
    • 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
    • G03G8/00—Layers covering the final reproduction, e.g. for protecting, for writing thereon
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/09—Colouring agents for toner particles
    • G03G9/0926—Colouring agents for toner particles characterised by physical or chemical properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/09—Colouring agents for toner particles
    • G03G9/0928—Compounds capable to generate colouring agents by chemical reaction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia

Definitions

  • the present invention relates to a marking film, a method for producing the same and the use of the same.
  • the present invention relates to a marking film having an image with a high color density which is formed with a toner containing a sublimable dye, a method for producing such a marking film and the use thereof.
  • the marking film according to the present invention is preferably used as a display plane of an advertising display, in particular, an internal-illumination type advertising display, a vehicle marking film which is adhered to the body surface of a vehicle, a pane marking film, and so on.
  • a method for forming an image with toners containing pigments by electrostatic toner printing is known, and the apparatus used to carry out such a method, for example those available from 3M Company of Saint Paul, MN under the tradename SCOTCH PRINTTM System and the like are commercially available. Such a method is widely used in fields where large-size images are formed, for example, marking films to be adhered to the body surfaces of vehicles, marking films of outdoor advertising display planes, and so on.
  • the electrostatic toner printing includes a direct printing method in which an image is printed directly on the surface of a receptor layer, and a transfer method in which an image is temporarily printed on a temporary support and then the image is transferred to the surface of a receptor layer.
  • an image is formed on a temporary support, which is called as a transfer medium, and then the image is transferred to a receptor layer with applying heat and pressure to finish the receptor layer having the formed image.
  • a method for forming an image on a receptor layer using toners containing dyes, which have better color-developing properties and form better images than pigments, is known.
  • JP 2918118B discloses a printing apparatus with which an electrostatic latent image is formed by selectively accumulating electric charges on a temporary support, an image is recorded by applying a toner containing a sublimable dye to the latent image to develop and fix the image, and the image is transferred to a fabric by pressing the temporary support carrying the image to the fabric with heating (an electrostatic toner printing and transferring method).
  • this JP patent specification describes only a fabric as a material on which an image is transferred, and does not suggest the transfer of an image to a receptor film.
  • JP 3461346B discloses a printing laminate comprising a substrate and a releasable temporary display layer, in which an image is formed with a sublimable dye on the surface of the temporary displaying layer that is not in contact with the substrate.
  • the sublimable dye applied to the surface of the temporary displaying layer is sublimed by heating and diffused in the substrate layer provided on the other surface of the temporary displaying layer so that the substrate is dyed. Therefore, after the diffusion of the dye and the dying of the substrate, no image formed with the sublimable dye is observed on the surface of the temporary displaying layer. Thus, other image can be printed on the surface of the temporary displaying layer.
  • the other image is displayed for a certain period of time, and then when the temporary display becomes unnecessary, the temporary displaying layer is removed to expose the image (of the sublimed dye) formed in the substrate.
  • the laminate should be kept at a high temperature for a long time (in Examples, 7 minutes at 170°C) to diffuse the image (of the sublimable dye) formed on the temporary displaying layer to the substrate. Accordingly, if the heat resistance of resin layers to be laminated, the combination of resins of layers which are in adjacent each other when being laminated, etc. are not carefully selected, the laminate curls so that it cannot be used as a marking film.
  • a part of the sublimable dye flies into an air to cause some problems such as adverse influences on environments, exposure of workers to the dye, etc.
  • JP-B-60-44664 discloses a printing method comprising the steps of developing a latent image of electric charge formed on an electrostatic recording paper with a sublimable toner, pressing the electrostatic recording paper having the image of the sublimable toner to a transfer medium while heating, and transferring the image of the sublimable toner to the transfer medium so that at least a part of the sublimable toner migrates on or into the medium.
  • This JP-B publication describes that the sublimable toner can migrate (or penetrate) on or into the transfer medium so that a printed image has good abrasion resistance, but the printed image does not have sufficient clearness.
  • JP-B publications disclose a marking film, a fabric, etc. in which an image is formed on a receptor layer using the subliming property of the toner containing the sublimable dye, but it does not describe or teach a marking film having a protective layer over the formed image and that the protective layer is heated after it is provided on the receptor layer of the marking film.
  • the present invention is directed to a marking film on which an image is formed with a toner containing a sublimable dye wherein the image has a high color density and clearness.
  • the present invention provides a marking film comprising: a receptor film having a surface as a toner-receptive surface, an image formed on said surface of the receptor film with a toner containing a sublimable dye, and a light-transmitting protective layer which is fixedly provided said surface of the receptor film on which said image is formed, characterized in that said light-transmitting protective layer is heat-treated after it is fixedly provided on said surface of the receptor film.
  • the present invention also provides a marking film comprising: a receptor film having a surface as a toner-receptive surface, an image formed on said surface of the receptor film with a toner containing a sublimable dye, and a light-transmitting protective layer which is fixedly provided said surface of the receptor film on which said image is formed, characterized in that at least a part of said sublimable dye is diffused in said light- transmitting protective layer and said receptor layer.
  • the present invention provides method for producing a marking film according to the present invention in which an image is formed by electrostatic toner printing, comprising the steps of:
  • step 2) transferring said protective layer on which said image has been formed in step 1) from the temporary support to said surface of the receptor film, and 3) heat-treating said protective film.
  • the present invention provides an internal-illumination type advertising display comprising a housing, a display plane provided on at least one side of said housing and an internal light source which is provided inside said housing and illuminates the back face of said display plane, wherein said display plane comprises a marking film according to the present invention, or a marking film produced by a method according to the present invention.
  • any film on that an image can be formed with a toner containing a sublimable dye may be used.
  • various resin compositions can be used.
  • IP 3080674B describes that acrylic resins, polyolefm, polyvinylacetal, polyvinyl chloride, polyurethane, etc. can be used as raw material resins of receptor films, and these resins may be used in the present invention.
  • polyester resins, vinyl acetate base resins, silicone resins, melamine resins, alkyd resins, phenoxy resins, etc. may be used.
  • the receptor film may be a single-layer film or a two- or multilayer film which comprises a base layer and a receptor layer provided on the base layer.
  • a resin having a high receptability of the toner containing the sublimable dye is selected.
  • examples of such a resin include polyester resins, acrylic resins, polyurethane resins, polyolefm resins, vinyl acetate base resins, silicone resins, melamine resins, alkyd resins, phenoxy resins, etc.
  • the receptor film has usually a thickness of 30 to 200 ⁇ m, preferably 50 to 120 ⁇ rn.
  • the thickness of the receptor film When the thickness of the receptor film is less than 30 ⁇ m, the receptor film may have insufficient strength so that it may have some defects such as shrinkage on heating, etc. When the thickness of the receptor film exceeds 200 ⁇ m, the flexibility of the receptor film decreases so that the handling of the film becomes difficult in the printing step, and furthermore, the cost of the film increases.
  • the base layer may optionally contain conventional additives, for example, colorants such as white pigments, black pigments, etc., plasticizers, fillers, and so on.
  • the toner containing the sublimable dye used in the present invention comprises a binder resin and a sublimable dye dispersed in the binder resin.
  • the sublimable dye is a dye which can be sublimed or evaporated at a temperature of 100 to 250°C under atmospheric pressure.
  • a dye containing a component which can be thermally diffused and at least partly migrates in the protective film or the receptor film may be used.
  • sublimable dyes dyes described in JP 3461346B and other publications can used.
  • the dye examples include azo dyes, anthraquinone dyes, quinophthalone dyes, styryl dyes, diphenylmethane dyes, triphenylmethane dyes, oxazin dyes, triazine dyes, xanthene dyes, methine dyes, azomethine dyes, acridine dyes, diazine dyes, etc.
  • the amount of the sublimable dye which is diffused in the light-transmitting protective layer and the receptor layer is not particularly limited.
  • the concentration after diffusion of at least one of the cyan dye, magenta dye, yellow dye and black dye is at least 5% larger, more preferably at least 10% larger, than a concentration of the dye before diffusion by heat-treatment.
  • a binder resin a resin which is conventionally used as a toner binder may be used.
  • a binder resin include polystyrene, styrene-alkyl acrylate copolymers, styrene-alkyl methacrylate copolymers, styrene-acrylonitrile copolymers, styrene-butadiene copolymers, styrene-maleic anhydride copolymers, polyethylene, polypropylene, polyester, polyurethane, epoxy resins, silicone resins, poly amide, modified rosins, paraffin, waxes, vinyl chloride-vinyl acetate copolymers, etc.
  • a conventional printing method such as an electrostatic toner printing method, a gravure printing method, a silk-screen printing method, an offset printing method, an ink-jet printing method, etc. may be used.
  • the electrostatic toner printing method is preferably used among the above printing methods.
  • the electrostatic printing method comprises forming a latent image by applying electrostatic charge (for example, electric charge from a stylus) on the surface of an image-forming surface, usually a surface of a dielectric material and developing the latent image with a suitable toner.
  • electrostatic charge for example, electric charge from a stylus
  • a sheet on which the toner is transferred and printed is usually a dielectric sheet.
  • a typical example of a dielectric sheet is a paper substrate.
  • the paper substrate has low resistances to water, UV rays and weather. Therefore, a substrate with better resistances (e.g. a vinyl chloride base film, a polyester film, etc.) is used as a dielectric sheet to be printed by the electrostatic toner printing method.
  • a transfer method that is, a method comprising printing an image on a dielectric sheet by the electrostatic toner printing method and then transferring the image printed on the dielectric sheet to a receptor film having high resistances.
  • the dielectric sheet (a temporary support) and the receptor film are placed so that the surface of the former having the formed image faces to the surface of the receptor film, and then they are heated and pressed to transfer the image to the receptor film.
  • a protective layer is fixedly provided on the surface of the receptor film on which the image is formed to protect the surface of the image formed with the toner.
  • the protective layer has light transmittance as a whole.
  • the protective layer usually has a light transmittance of at least 60%, preferably at least 70%, more preferably at least 80%.
  • the "light transmittance” means a total light transmittance measured with a spectrophotometer or a color meter which functions also as a photometer at a wavelength of 550 nm.
  • the protective layer includes a protective film, or a protective clear which is applied in a liquid form onto the surface of the receptor layer and solidified to form a protective layer.
  • an adhesive layer may be provided to fixedly place the protective film on the surface of the receptor film.
  • the protective layer include those sold under the tradenames SP4815, SP4114, SP4164, SP4864 and SP4855, available from 3M Company.
  • the protective clear include those sold under the tradenames SCOTCHCALTM Screen Print Clear 8920 EX, SCOTCHCALTM Screen Print Clear 66201, available from 3M Company, and the like.
  • resins used as the protective film or the protective clear include polyester resins, fluororesins, phthalate base polyesters (e.g. PET, PEN, etc.), acrylic resins, polyvinyl chloride resins, polyurethane resins, epoxy resins, and so on.
  • the protective layer comprises a protective film and an adhesive layer provided on the back face of the protective film
  • the kind of an adhesive in the adhesive layer is not limited, and is preferably a pressure-sensitive adhesive comprising a self-adherent polymer, since the sublimable dye can be easily diffused therethrough when the protective layer is laminated on the receptor film on which the image is formed, and heated.
  • the pressure-sensitive adhesive When used, it well follows the unevenness formed by the toner on the surface of the receptor film so that the protective film and the receptor film can be closely adhered without leaving bubbles therebetween. Preferably, the bubbles should not remain between the layers since they decrease the visibility of the image.
  • the adhesive layer When the adhesive layer is used to adhere the protective layer to the receptor film, it usually has a thickness of 10 to 100 ⁇ m, preferably 20 to 50 ⁇ m.
  • the image is formed on the protective layer placed on the surface of the temporary support, and then the protective layer and the image are together transferred to the surface of the receptor film.
  • the image and the protective layer can be transferred to the receptor film in one step, and thus the number of process steps can be reduced.
  • a protective layer-carrying temporary substrate which is prepared by applying a resin constituting a protective layer on the surface of a temporary substrate made of a paper sheet, a polyethylene terephthalate film or a polyolefin film, or a protective layer-carrying temporary substrate which is prepared by laminating a film constituting a protective layer on the surface of a temporary substrate may be used.
  • An image is formed on the surface of the protective layer of the protective layer-carrying temporary substrate by the electrostatic toner printing method, the temporary substrate and the receptor film are placed so that the surface of the protective layer faces to the surface of the receptor layer, and then they are heated and pressed. Thereby, the image and the protective layer are both transferred to the receptor film.
  • the adhesion force between the temporary substrate and the protective layer is preferably weaker than that between the receptor film and the protective layer.
  • a surface of the protective layer is preferably smoothened.
  • a flat film which is hardly softened at high temperature for example, uni- or bi- axially stretched polyethylene terephthalate film or a biaxially stretched polypropylene film is placed on the roughened surface of the protective layer and the laminate is heated and pressed by passing them through lamination rolls, or the laminate is heated and pressed with a heat vacuum lamp applicator (VAL).
  • VAL heat vacuum lamp applicator
  • the protective layer usually has a thickness of 1 to 200 ⁇ m, preferably 5 to 150 ⁇ m.
  • the surface of the protective layer may be gloss or mat finished according to the applications of the marking film.
  • the protective layer may contain various additives such as UV absorbers, slipping agents, fungicides, antimicrobials, colorants, etc. as long as the effects of the present invention are not impaired.
  • a marking film having a clear image with a high color density is obtained by heating the marking film having the protective layer produced by the method described above to diffuse the sublimable dye or dyes.
  • any one of various heating methods which are commonly used in this art field may be used.
  • the marking film having the protective layer is passed through nip rolls heated.
  • the surface temperature of the nip roll which is in contact with the protective layer is preferably from 120 to ISO 0 C.
  • the marking film may have defects such as curling, shrinkage, etc.
  • the temperature of the nip roll is lower than 12O 0 C, a part of the image formed on the marking film surface with the toner containing the sublimable dye may not be transferred into the protective layer or the receptor film, so that the image may lose the clearness.
  • the marking film having the protective layer is heated, it is preferably pressed to allow the sublimable dye to migrate in a shorter time.
  • the pressure to be applied is preferably from 1 to 100 psi (pound per square inch), more preferably from 10 to 80 psi. When the pressure is lower than 1 psi, the heat may not sufficiently be transferred to the marking film so that a part of the sublimable dye may not be transferred. When the pressure is higher than 100 psi, the film may be wrinkled.
  • a marking sheet can be produced by providing an adhesive layer to the back face of the marking film of the present invention.
  • a coating liquid containing an adhesive is applied to the back face of the film and solidified and then a liner is laminated on the adhesive layer with the release surface of the liner facing to the back face of the adhesive layer, or a coating liquid containing an adhesive is applied to the release surface of a liner and dried to form an adhesive layer having a liner and then the adhesive layer having the liner is laminated on the film.
  • the adhesive is preferably a pressure-sensitive adhesive because of easy handling, and commonly used acrylic, synthetic rubber or natural rubber base adhesives can be used. Among them, the acrylic pressure-sensitive adhesive is preferably used since it has good weather resistance.
  • An additional layer for example, a primer layer which improves the adhesion between the marking film and the adhesive layer may optionally be provided between the marking film and the adhesive layer as long as the effects of the present invention are not impaired.
  • the marking film of the present invention can be used as a marking film for an advertising display, a vehicle, a pane, etc.
  • the marking film of the present invention is preferably used with an internal-illumination type advertising display which displays characters, figures and the like by passing light through the display plane from the inside.
  • Example 1 the present invention will be illustrated by making reference to Examples and Comparative Examples, which do not limit the present invention in any way.
  • Example 1
  • a marking film in this Example was produced as follows:
  • a digital image for transfer was formed on a transfer medium (available under the tradename Trident) using a sublimable toner (available under the tradename STC from Specialty Toner Company). Then, the image was transferred to a transparent receptor film made of polyester (available under the tradename SP 4271 from Sumitomo 3M) with a heat laminator (available under the tradename ORCA III).
  • a paper carrier of Trident was removed, and the toned image was laminated on a transparent protective film (a polyester over laminate film, SP 4815 available from Sumitomo 3M; adhesive: acrylic adhesive) at room temperature.
  • a transparent protective film a polyester over laminate film, SP 4815 available from Sumitomo 3M; adhesive: acrylic adhesive
  • the laminate prepared in the previous step was heated and pressed again with ORCA III to sublimate and diffuse the toner dye to the receptor layer and the over laminate layer.
  • the setting conditions of ORCA III in this step were as follows:
  • the marking film was printed with the solid image of a cyan, magenta, yellow or black toner, and the color density of each color was measured. The results are shown in Table 1.
  • the color density was measured with a color densitometer of X-Rite
  • the toner dye was sublimated and diffused in the receptor layer and the over laminate layer through the thermal diffusion treatment, and a marking film with a high color density was obtained.
  • a marking film was produced in the same manner as in Example 1 except that the pressure in the sublimation step was changed to 80 psi. The results of evaluation are shown in Table 1.
  • a marking film was produced in the same manner as in Example 1 except that a milky white receptor film made of polyester (available under the tradename SP 4272 from Sumitomo 3M) was used as a receptor film. The results of evaluation are shown in Table 1.
  • Example 4 a milky white receptor film made of polyester (available under the tradename SP 4272 from Sumitomo 3M) was used as a receptor film. The results of evaluation are shown in Table 1.
  • a marking film was produced in the same manner as in Example 3 except that the pressure in the thermal diffusion treatment was changed to 80 psi. The results of evaluation are shown in Table 1.
  • a receptor film was prepared as follows:
  • a aqueous acrylic resin available under the tradename NeoCryl YK90 from AVECIA
  • an aqueous polyurethane resin available under the tradename NeoRez from AVECIA
  • the receptor solution was coated in an amount such that the dry thickness of the receptor film was 20 ⁇ m to prepare a transparent receptor film having no adhesive.
  • the drying conditions' were 9O 0 C x 5 minutes.
  • the rolled receptor film could be unwound without blocking.
  • a marking film was produced in the same manner as in Example 1 except that except that the receptor film prepared in the previous step was used as a receptor film. The results of the evaluations are shown in Table 1.
  • a marking film was produced in the same manner as in Example 1 except that the thermal diffusion treatment with ORCA III was not carried out but the laminate was placed in an oven at 135°C for 1 (one) minute. The results of the evaluations are shown in Table 1.
  • a marking film was produced in the same manner as in Example 1 except that the thermal diffusion treatment with ORCA III was not carried out. The results of the evaluations are shown in Table 1. The color densities were lower than those in Example 1.
  • a marking film was produced in the same manner as in Example 3 except that the thermal diffusion treatment with ORCA III was not carried out. The results of the evaluations are shown in Table 1. The color densities were lower than those in Example 3. Comparative Example 3
  • a sample which was produced in the same manner as in Comparative Example 3 was heated in an oven at 200°C for 1 (one) minute to sublimate the dye. When the sample was removed from the oven and kept standing at room temperature, it was curled, and the transparent protective film was peeled off.
  • a sample was prepared in the same manner as in Example 1 except that a toner containing a pigment (available under the tradename 8700 Series Toner from 3M Company) was used in place of the toner containing the sublimable dye.
  • the color concentrations of the images were not improved after the thermal diffusion treatment with ORCA III, and the color densities were low.
  • Comparative Example 6 A sample was prepared in the same manner as in Example 3 except that a toner containing a pigment (available under the tradename 8700 Series Toner from 3M Company) was used in place of the toner containing the sublimable dye. The color concentrations of the images were not improved after the thermal diffusion treatment with ORCA III, and the color densities were low.
  • a toner containing a pigment available under the tradename 8700 Series Toner from 3M Company
  • a thermally transferred image was formed in the same manner as in Comparative Example 5, but no thermal diffusion treatment with ORCA III was carried out.
  • a thermally transferred image was formed in the same manner as in Comparative Example 6, but no thermal diffusion treatment with ORCA III was carried out.
  • an electrostatic printer available under the tradename SCOTCH PRINTTM 2000 from 3M Company
  • a digital image for transfer was formed on an electrostatic recording paper having a protective layer (available under the tradename 8607 Warecoat Transfer Media from 3 M Company) using a sublimable toner (available under the tradename STC from Specialty Toner Company).
  • the image was transferred to a transparent receptor film made of polyvinyl chloride (available under the tradename SP 4582 from Sumitomo 3M) with a heat laminator (ORCA III).
  • the above laminate having the paper sheet was wound around the upper heating roll of ORCA III and again heated under pressure to sublimate and diffuse the toner dye into the receptor layer and the over laminate layer.
  • the setting conditions of ORCA III in this step were as follows:
  • a sample of this example was produced in the same manner as in Example 1 except that a heating temperature in the thermal diffusion treatment was changed to a temperature shown in Table 1.
  • Example 9 A sample of this example was produced in the same manner as in Example 1 except that a heating temperature in the thermal diffusion treatment was changed to a temperature shown in Table 1.
  • Comparative Example 7 A thermally transferred image was formed in the same manner as in Example 7 but the dye was not sublimed with ORCA III. The color densities of the images were lower than those in Example 7.
  • a sample of this comparative example was produced in the same manner as in Example 1 except that a heating temperature in the thermal diffusion treatment was changed to a temperature shown in Table 1.
  • Example 2 An image was formed in the same manner as in Example 1, and a clear layer available under the tradename ScotchcalTM Screen Print Clear 66201 was printed on the surface of the image by a usual screen printing process and dried at 65°C for 2 hours to form a transparent clear layer having a thickness of about 5 ⁇ m.
  • a polyester carrier was provided on the surface of the clear layer to prevent its adhesion to a heating roll and then subjected to the thermal diffusion treatment in the same manner as in Example 1. No problem such as adhesion to the heating rolls or curling of the film occurred, and the processability of the film was good. The evaluation of the same was carried out after peeling off the polyester carrier.
  • a sample was prepared in the same manner as in Example 1 except that the thermal diffusion treatment was carried out after the thermal transfer of the image, and thereafter the protective film was laminated.
  • the sample was evaluated by the same methods as above.

Abstract

La présente invention concerne un film de marquage sur lequel une image est formée avec un toner contenant un colorant sublimable, cette image présentant une haute densité de couleur et une clarté élevée. L'invention concerne également un film de marquage comprenant un film récepteur possédant une surface utilisée comme surface réceptrice de toner, une image formée sur cette surface du film récepteur avec un toner contenant un colorant sublimable, ainsi qu'une couche protectrice transparente à la lumière disposée fixe sur la surface du film récepteur sur lequel l'image est formée, ladite couche protectrice transparente à la lumière étant traitée par voie thermique après avoir été disposée fixe sur la surface du film récepteur.
PCT/US2006/001013 2005-01-17 2006-01-12 Film de marquage, procede de production de ce film et utilisation de celui-ci WO2006078527A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-008744 2005-01-17
JP2005008744A JP2006195323A (ja) 2005-01-17 2005-01-17 マーキングフィルム及びその製造方法と用途

Publications (2)

Publication Number Publication Date
WO2006078527A2 true WO2006078527A2 (fr) 2006-07-27
WO2006078527A3 WO2006078527A3 (fr) 2006-09-28

Family

ID=36216778

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/001013 WO2006078527A2 (fr) 2005-01-17 2006-01-12 Film de marquage, procede de production de ce film et utilisation de celui-ci

Country Status (2)

Country Link
JP (1) JP2006195323A (fr)
WO (1) WO2006078527A2 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990005640A1 (fr) * 1988-11-18 1990-05-31 The De La Rue Company Plc Articles d'imagerie en matiere plastique
US5683475A (en) * 1995-04-27 1997-11-04 Furukawa; Kenichi Method for fabricating a backlit illumination display film and a translucent film for use therefor
WO2004071783A1 (fr) * 2003-02-10 2004-08-26 3M Innovative Properties Company Film marqueur, film recepteur et marquage de film pour vitre

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990005640A1 (fr) * 1988-11-18 1990-05-31 The De La Rue Company Plc Articles d'imagerie en matiere plastique
US5683475A (en) * 1995-04-27 1997-11-04 Furukawa; Kenichi Method for fabricating a backlit illumination display film and a translucent film for use therefor
WO2004071783A1 (fr) * 2003-02-10 2004-08-26 3M Innovative Properties Company Film marqueur, film recepteur et marquage de film pour vitre

Also Published As

Publication number Publication date
WO2006078527A3 (fr) 2006-09-28
JP2006195323A (ja) 2006-07-27

Similar Documents

Publication Publication Date Title
CA2260975C (fr) Compositions et articles de transfert thermique et articles graphiques produits a l'aide de ceux-ci
US6984424B2 (en) Thermally transferable image protective sheet, method for protective layer formation, and record produced by said method
EP1328407B1 (fr) Procede de production d'images durables
JP4142517B2 (ja) 保護層熱転写シートおよびマット調印画物
US6733611B2 (en) Image forming method
WO2003039885A1 (fr) Procede d'impression de films et articles correspondants
KR100973562B1 (ko) 메탈릭 화상을 가지는 화상 표시 매체 및 열전사 시트
JP2000516865A (ja) 染料熱転写印刷物用の保護上張り層
US7247365B2 (en) Thermally transferable protective sheet
EP1595717A1 (fr) Feuille pour la protection d'images transférables thermiquement, méthode pour former des couches protectrices, et enregistrement produit par cette méthode
JPWO2007049513A1 (ja) 情報表示体用覗き見防止フィルム及びその製造方法
JP2017052124A (ja) 転写箔及び印画物の製造方法
JP3790220B2 (ja) 熱転写型画像保護シート、保護層形成方法、ならびにその方法によって得られる記録物
WO2006078527A2 (fr) Film de marquage, procede de production de ce film et utilisation de celui-ci
JP3894650B2 (ja) 耐久性のある装飾体
JP3231146B2 (ja) 熱転写フイルム及びカード作製方法
US5723405A (en) Adhesive for laminating thermal dye transfer print
CA2296705A1 (fr) Imprimes auto-stratifies et resistants aux rayures et leurs procedes de fabrication
JP2003103946A (ja) 熱転写フィルムとそれを用いた画像形成方法及び画像形成物
JP2002254793A (ja) 保護層転写フィルム、保護層転写方法及びそれによって得られる記録物
JP2021160349A (ja) 熱転写シートと熱転写受像シートとの組合せ
MXPA99000884A (en) Thermal transfer compositions, articles and graphic articles made with same
JPH0624161A (ja) 熱転写印刷用被転写体
JPH0624154A (ja) 熱転写印刷用被転写体
JPS6360797A (ja) 熱転写記録方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 06718126

Country of ref document: EP

Kind code of ref document: A2