EP0607191A1 - Farbbildempfangschicht zur anwendung in der thermischen farbstoffsublimationübertragung. - Google Patents

Farbbildempfangschicht zur anwendung in der thermischen farbstoffsublimationübertragung.

Info

Publication number
EP0607191A1
EP0607191A1 EP92920076A EP92920076A EP0607191A1 EP 0607191 A1 EP0607191 A1 EP 0607191A1 EP 92920076 A EP92920076 A EP 92920076A EP 92920076 A EP92920076 A EP 92920076A EP 0607191 A1 EP0607191 A1 EP 0607191A1
Authority
EP
European Patent Office
Prior art keywords
dye
image receiving
receiving element
layer
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP92920076A
Other languages
English (en)
French (fr)
Other versions
EP0607191B1 (de
Inventor
Geert Henri Defieuw
Robert Bloodworth
Wilhelmus Janssens
Wolfgang Podszun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agfa Gevaert NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Publication of EP0607191A1 publication Critical patent/EP0607191A1/de
Application granted granted Critical
Publication of EP0607191B1 publication Critical patent/EP0607191B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B41M5/50—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

Definitions

  • the present invention relates to dye-image receiving elements for use according to thermal dye sublimation transfer.
  • Thermal dye sublimation transfer also called thermal dye diffusion transfer is a recording method in which a dye-donor element provided with a dye layer containing sublimable dyes having heat transferability is brought into contact with a dye-image receiving element and selectively, in accordance with a pattern information signal, heated with a thermal printing head provided with a plurality of juxtaposed heat-generating resistors, whereby dye from the selectively heated regions of the dye-donor element is transferred to the dye-image receiving element and forms a pattern thereon, the shape and density of which is in accordance with the pattern and intensity of heat applied to the dye-donor element.
  • a dye-image receiving element for use according to thermal dye sublimation transfer usually comprises a support, e.g. paper or a transparant film, coated with a dye-image receiving layer, into which the dye can diffuse more readily.
  • An adhesive layer may be provided between the support and the receiving layer.
  • On top of said receiving layer a separate release layer may be provided to improve the releasabil ity of the receiving element from the donor element after transfer is effected.
  • thermoplastic vinylcopolymers having glass transition temperatures in the range of 50°C to 100°C such as styrene-acrylonitrile acrylates as described in EP 405248.
  • JP 02/95890 mixtures of vinyl chloride resin and polycaprolactone for use in the receiving layer are described.
  • the use of chlorine containing resins is to be avoided for toxicological and ecological reasons.
  • the present invention provides a dye-image receiving element for use according to thermal dye sublimation transfer comprising a support having thereon a dye-image receiving layer comprising a vinylcopolymer having a glass transition temperature in the range of 50°C to 100°C, the vinylcopolymer comprising (a) 10-80 wt% vinylaromate, (b) 5-40 wt% (meth)acrylonitrile, (c) 5-50 wt% (meth)acrylic acid ester and (d) 0-30 wt% of other vinyl monomers and a linear aliphatic polyester having a molecular weight above 1000 and/or having at least four recurring units.
  • Said dye-image receiving layers yield transferred dye images having improved dye densities together with improved light stability and improved gloss compared to the known dye-image receiving layers.
  • the vinyl monomers are selected so that the glass transition temperature of the obtained copolymer is in the range of 50°C to 100°C, preferably in the range of 60°C to 95°C.
  • Suitable vinylaromates include styrene, ⁇ -methylstyrene, p -methyl st rene, m-methyl styrene, p-t-butyl styrene, p-chlorostyrene, p-chloromethyl styrene and vinylnaphthalene. Styrene is preferred.
  • (meth)acrylonitrile means methacrylonitrile as well as acrylonitrile.
  • (meth)acrylic acid ester means methacrylic acid ester as well as acrylic acid ester.
  • the (meth)acrylic acid esters are derived from aliphatic or cycloal phatic or aromatic or mixed aromatic aliphatic alcohols, which may be substituted.
  • the aliphatic residue may be branched or non-branched or may be interrupted by oxygen.
  • Suitable (meth)acrylic acid esters are: methacrylate, methylmethacrylate, ethyl acryl ate, ethyl ethacrylate, propylacrylate, propyl methacrylate, isopropylmethacrylate, n-butyl acryl ate, n-butyl methacrylate, iso-butyl acryl ate, iso-butyl methacrylate, n-hexyl acryl ate, n-hexylmethacrylate, ethyl hexyl acryl ate, ethyl hexyl methacrylate, n-octyl acryl ate, n-octyl methacrylate, decyl acryl ate, decyl methacrylate.
  • mixtures of (meth)acrylates are also suitable.
  • monomers (d) are useful: vinylidenechloride, vinylchloride, vinylacetate, vinylpropionate, vinyllaurate and vinyladipate.
  • the ratio of the components a:b is important for the dyeability of the receiving layer. This ratio is preferably between 1:1 and 4:1, more preferably between 2:1 and 4:1.
  • the component (c) can influence important properties of the copolymer for use in the image receiving layer.
  • use of long chain alkyl (meth)acrylates e.g. decylmethacrylate and dodecylmethacrylate
  • lead to improved abhesivity of the receiving element e.g. decylmethacrylate and dodecylmethacrylate
  • the molecular weight of the vinylcopolymer is preferably between about 10000 and about 1000000.
  • the vinylcopolymers of the present invention can be prepared according to polymerisation methods known in the art such as bul kpolymerisation, suspensionpoly erisation and emulsionpolymerisation.
  • PEMA phenyl ethyl methacrylate
  • VDC vinyl idenechloride
  • the vinylcopolymer according to the present invention can also be crosslinked, for example, a vinylcopolymer containing reactive hydrogen radicals (e.g. OH, NH£> can be crosslinked by polyisocyanate.
  • the vinylcopolymers of the present invention can also contain epoxy groups by introduction of an epoxy-containing co onomer.
  • Cross! inking of said vinylcopolymers can be achieved by reaction with low molecular weight compounds such as polyols, polya ines, polyacids and polyisocyanates or with polymers containing a plurality of hydroxy, amino, carboxylic acid or isocyanate groups.
  • the linear aliphatic polyester for use according to the present invention is a polyester obtained by condensation of one or more linear aliphatic diols with one or more linear aliphatic dicarboxylic acids.
  • linear aliphatic hydroxy-carboxylic acids can be used.
  • linear aliphatic diols examples include: ethylene glycol , diethylene glycol, triethylene glycol, 1,2-propanediol , 1,3-propanediol , 1,4-butanediol , isobutylenediol , 1,5-pentanediol , neopentyl glycol, 1.2-hexanediol , 1,6-hexanediol , 1,7-heptanediol , 1,8-octanediol , 1,9-nonanediol , 1,10-decanediol , 1,11-undecanediol , 1,12-dodecanediol , 1.13-tridecanediol .
  • linear aliphatic dicarboxylic acids examples include: oxalic acid, suberic acid, glutaric acid, adipic acid, pimelic acid, succinic acid, azelaic acid, sebacic acid, nonanedi carboxylic acid, decanedi carboxylic acid, undecanedicarboxylic acid, dodecanedicarboxylic acid, fumaric acid, aleic acid, itaconic acid, citraconic acid, mesaconic acid, malonic acid.
  • linear aliphatic hydroxy-carboxylic acids examples include: 2,3-dihydroxynonanoic acid, 11-hydroxyundecanoic acid, 2-hydroxy- 4,6,6-trimethylheptanoic acid, 16-hydroxyhexadecanoic acid, 12-hydroxystear acid, 12-hydroxy-9-octadecenic acid, hydroxyacetic acid, ⁇ -hydroxyprop ionic acid, ⁇ -hydroxybutyric acid, 2,3-dihydroxybutyric acid, ⁇ -hydroxyvaleric acid, ⁇ -hydroxy- ⁇ -methyl butyric acid, ⁇ -hydroxyisovaleric acid, 2,3-dihydroxypentanoic acid, ⁇ -hydroxycaproic acid, ⁇ -hydroxycaproic acid, ⁇ -hydroxy- ⁇ -methylvaleric acid, ⁇ . ⁇ . ⁇ -trimethyllactic acid, 2,3-dihydroxyhexanoic acid, methyl -n-butylglycol 1 ic acid, ⁇ -hydroxycaprilic acid, methyl -
  • polyesters Obtained by ring-opening polymerisation are polyesters Obtained by ring-opening polymerisation.
  • Monomers suitable for preparing said polyesters include ⁇ -propiolactone, ⁇ -caprolactone, di ethylpropiolactone.
  • Preferred linear aliphatic polyesters for use according to the present invention are polyethyleneadipate, polybutyleneadipate and polycaprolactone.
  • polyesters e.g. two or more diols, hydroxyacids or diacids
  • These copolyesters can have the advantage of reducing the degree of crystal unity, resulting in a higher gloss of the receiving sheet after the drying procedure.
  • the molecular weight of the aliphatic polyester of the present invention is 1000 or higher and/or the aliphatic polyester has at least four recurring units.
  • the use of lower molecular weight polyesters results in a higher degree of sticking between the donor element and the receiving element.
  • the molecular weight of the copolyesters can be increased by the addition of a small amount of a multi (i.e. more than two) functional comonomer.
  • the linear aliphatic polyester may be present in any concentration which is effective for the intended purpose.
  • the polyester is present in an amount of from 1 to 70% by weight of the mixture vinylcopolymer/polyester, preferably 20% to 60% by weight. Higher amounts result in a higher degree of sticking between donor element and receiving element.
  • the dye-image receiving layer may also contain a conventional receiving layer binder known in the art such as a polycarbonate, a polyurethane, a polyester, a polyamide, polyvinyl chloride, polystyrene-co-acrylonitrile or mixtures thereof.
  • a conventional receiving layer binder known in the art such as a polycarbonate, a polyurethane, a polyester, a polyamide, polyvinyl chloride, polystyrene-co-acrylonitrile or mixtures thereof.
  • the dye receiving element of the present invention can contain a release agent for improvement of the release property with respect to the donor element.
  • a release agent for improvement of the release property with respect to the donor element.
  • solid waxes such as polyethylene wax, amide wax, and Teflon powder; fluorine based and phosphate ester based surfactants; and paraffin based, silicone based and fluorine based oils can be used.
  • Silicone oils preferably reactive silicone oils and silicone containing copolymers such as polysiloxane-polyether copolymers and blockcopoly ers, are preferred (e.g. TEGOGLIDE supplied by Goldschmidt and SILWET supplied by Union Carbide).
  • a white pigment can be added to the receiving layer.
  • white.pigment titanium oxide, zinc oxide, kaolin, clay, calcium carbonate, fine powdery silica, etc. can be employed, and these can be used as a mixture of two or more kinds as described above.
  • one or two or more kinds of additives such as UV-ray absorbers, light stabilizers and antioxidants, can be added, if necessary.
  • the amounts of these UV-ray absorbers and light stabilizers is preferably 0.05 to 10 parts by weight and 0.5 to 3 parts by weight, respectively, per 100 parts of the resin constituting the receiving layer.
  • a toplayer can be provided on top of the receiving layer to improve the release from the donor element after transfer is effected.
  • Said toplayer generally comprises a release agent of the type described above, e.g. a polysiloxane-polyether copolymer.
  • the support for the receiver sheet it is possible to use a transparant film or sheet of various plastics such as polyethylene terephthal te, polyolefin. polyvinyl chloride, polystyrene, polycarbonate, polyether sulfone. polyimide, cellulose ester or polyvinyl alcohol -co-acetal . Blue-colored polyethylene terephthalate film can also be used.
  • the support may also be a reflective support such as paper e.g. top quality paper, art paper, cellulose,fiber paper; baryta-coated paper; polyolefin-coated paper e.g. dual polyethylene-coated paper; synthetic paper e.g. polyolefin type, polystyrene type or white polyester type i.e. white-pigmented polyester.
  • a laminated product by any desired combination of the above can be used.
  • Typical examples of the laminates include a laminate of cellulose fiber paper and synthetic paper and a laminate of cellulose fiber paper and a plastic film or sheet.
  • a plastic film can be used with synthetic paper instead of cellulose fiber paper.
  • a laminate of cellulose fiber paper, plastic film and synthetic paper can also be used.
  • the support sheet serves to support the dye receiving layer, and it is desirable that the support sheet has mechanical strength sufficient enough to handle the dye receiving sheet which is heated at the time of heat transfer recording. If the dye-receiving layer alone has the necessary mechanical strength, the support sheet may be omitted.
  • the dye-receiving layer of the present invention preferably has an overall thickness of from 0.5 to 50 ⁇ m, more preferably from 2.5 to 10 ⁇ m, when the dye-receiving layer is provided on a support sheet, or preferably from 3 to 120 ⁇ m when it is self-supporting i.e. a support sheet is omitted.
  • the image receiving layer may be a single layer, or two or more such layers may be provided on the support.
  • receiving layers may be formed on both surfaces of the support.
  • receiving layers may be formed on both surfaces of the support.
  • the thickness of such a toplayer is preferably 0.01 to 5 ⁇ m, particularly 0.05 to 2 ⁇ m.
  • the image receiving element of the present invention may also have one or more intermediate layers between the support and the image receiving layer.
  • the intermediate layers may function as cushioning layers, porous layers or dye diffusion preventing layers, or may fulfill two or more of these functions, and they may also serve the purpose of an adhesive, depending on the particular application.
  • the material constituting the intermediate layer may include, for example, an urethane resin, an acrylic resin, an ethylenic resin, a butadiene rubber, or an epoxy resin.
  • the thickness of the intermediate layer is preferably from 1 to 20 ⁇ m.
  • Dye diffusion preventing layers are layers which prevent the dye from diffusing into the support (particularly if the support is polyethylene- coated paper).
  • the binders used to form these layers may be water soluble or organic solvent soluble, but the use of water soluble binders is preferred, and especially gelatin is most desirable.
  • Porous layers are layers which prevent the heat which is applied at the time of thermal transfer from diffusing from the image receiving layer to the support to ensure that the heat which has been applied is used efficiently.
  • Fine powders consisting of silica, clay, talc, diatomaceous earth, calcium carbonate, calcium sulfate, barium sulfate, aluminum silicate, synthetic zeolites, zinc oxide, lithophone, titanium oxide or alumina for example, can be included in the image receiving layers, cushioning layers, porous layers, diffusion preventing layers and adhesive layers, etc. constituting the thermal transfer image receiving element of the present invention.
  • the image receiving element of the present invention can have antistatic treatment applied to the front or back surface thereof.
  • antistatic treatment may be carried out by incorporating an antistatic agent in, for example, the image receiving layer which becomes the front surface or in an antistatic preventive layer applied to the image receiving surface.
  • a similar treatment can also be effected to the back surface.
  • the image receiving sheet can have a lubricating layer provided on the back surface of the sheet support.
  • the material for the lubricating layer may include methacrylate resins such as methyl methacrylate, etc. or corresponding acry ate resins, vinyl resins such as vinyl chloride-vinyl acetate copolymer.
  • the receiving element can have detection marks ' provided on one surface, preferably the back surface so that the receiving element can be accurately set at a desired position during transfer, whereby the image can be formed always at a correct desired position.
  • a dye-donor element for use according to thermal dye sublimation transfer in combination with the present receiving element usually comprises a very thin support e.g. a polyester support, one side of which is covered with a dye layer, which contains the printing dyes.
  • a dye layer which contains the printing dyes.
  • an adhesive or subbing layer is provided between the support and the dye layer.
  • a slipping layer that provides a lubricated surface against which the thermal printing head can pass without suffering abrasion.
  • An adhesive layer may be provided between the support and the slipping layer.
  • the dye layer can be a monochrome dye layer or it may comprise sequential repeating areas of different colored dyes like e.g. of cyan, magenta, yellow and optionally black hue.
  • a dye-donor element containing three or more primary color dyes is used, a multicolor image can be obtained by sequentially performing the dye transfer process steps for each color.
  • the dye layer of such a thermal dye sublimation transfer donor element is formed preferably by adding the dyes, the polymeric binder medium, and other optional components to a suitable solvent or solvent mixture, dissolving or dispersing the ingredients to form a coating composition that is applied to a support, which may have been provided first with an adhesive or subbing layer, and dried.
  • the dye layer thus formed has a thickness of about 0.2 to 5.0 ⁇ m, preferably 0.4 to 2.0 ⁇ m, and the ratio of dye to binder is between 9:1 and 1:3 by weight, preferably between 3:1 and 1:2 by weight.
  • polymeric binder As polymeric binder the following can be used: cellulose derivatives, such as ethyl cellulose, hydroxyethyl cellulose, ethylhydroxy cellulose. ethyl ydroxyethyl cellulose, hydroxypropyl cellulose, methyl cellulose, nitrocellulose, cellulose acetate formate, cellulose acetate hydrogen phthalate, cellulose acetate, cellulose acetate propionate, cellulose acetate butyrate, cellulose acetate pentanoate, cellulose acetate benzoate, cellulose triacetate; vinyl -type resins and derivatives, such as polyvinyl alcohol, polyvinyl acetate, polyvinyl butyral , copolyvinyl butyral -vinyl acetal -vinyl alcohol, polyvinyl pyrrol idone, polyvinyl acetoacetal , polyacrylamide; polymers and copolymers derived from acrylates and acrylate derivative
  • Any dye can be used in such a dye layer provided it is easily transferable to the dye-image-receiving layer of the receiver sheet by the action of heat.
  • the coating layer may also contain other additives, such as curing agents, preservatives, organic or inorganic fine particles, dispersing agents, antistatic agents, defoaming agents, viscosity controlling agents, etc., these and other ingredients being described more fully in EP 133011, EP 133012, EP 111004 and EP 279467.
  • additives such as curing agents, preservatives, organic or inorganic fine particles, dispersing agents, antistatic agents, defoaming agents, viscosity controlling agents, etc.
  • any material can be used as the support for the dye-donor element provided it is dimensionally stable and capable of withstanding the temperatures involved, up to 400°C over a period of up to 20 msec, and is yet thin enough to transmit heat applied on one side through to the dye on the other side to effect transfer to the receiver sheet within such short periods, typically from 1 to 10 msec.
  • Such materials include polyesters such as polyethylene terephthalate, polyamides, polyacrylates, polycarbonates, cellulose esters, fluorinated polymers, polyethers, polyacetals, polyolefins, polyimides. glassine paper and condenser paper. Preference is given to a polyethylene terephthalate support. In general, the support has a thickness of 2 to 30 ⁇ m.
  • the support may also be coated with an adhesive or subbing layer, if desired.
  • the dye layer of the dye-donor element may be coated on the support or printed thereon by a printing technique such as a gravure process.
  • a dye-barrier layer comprising a hydrophilic polymer may also be employed in the dye-donor element between its support and the dye layer to improve the dye transfer densities by preventing wrong-way transfer of dye towards the support.
  • the dye barrier layer may contain any hydrophilic material which is useful for the intended purpose. In general, good results have been obtained with gelatin, polyacryl amide, polyisopropyl acrylamide, butyl methacrylate grafted gelatin, ethyl methacrylate grafted gelatin, ethyl acrylate grafted gelatin, cellulose monoacetate.
  • Suitable dye barrier layers have been described in e.g. EP 227091 and EP 228065.
  • Certain hydrophilic polymers for example those described in EP 227091, also have an adequate adhesion to the support and the dye layer, thus eliminating the need for a separate adhesive or subbing layer.
  • These particular hydrophilic polymers used in a single layer in the donor element thus perform a dual function, hence are referred to as dye-barrier/subbing layers.
  • the reverse side of the dye-donor element can be coated with a slipping layer to prevent the printing head from sticking to the dye-donor element.
  • a slipping layer would comprise a lubricating material such as a surface active agent, a liquid lubricant, a solid lubricant or mixtures thereof, with or without a polymeric binder.
  • the surface active agents may be any agents known in the art such as carboxylates, sulfonates, phosphates, aliphatic a ine salts, aliphatic quaternary ammonium salts, polyoxyethylene alkyl ethers, polyethylene glycol fatty acid esters, fluoroalkyl Z ⁇ -t aliphatic acids.
  • liquid lubricants include silicone oils, synthetic oils, saturated hydrocarbons and glycols.
  • solid lubricants include various higher alcohols such as stearyl alcohol, fatty acids and fatty acid esters. Suitable slipping layers are described in e.g. EP 138483, EP 227090. US 4567113. US 4572860, US 4717711.
  • the slipping layer comprises as binder a styrene-acrylonitrile copolymer or a styrene-acrylonitrile-butadiene copolymer or a mixture thereof or a cellulose ester and as lubricant in an amount of 0.1 to 10 % by weight of the binder (mixture) a polysiloxane-polyether copolymer or polytetrafluoroethylene or a mixture thereof.
  • the dye layer of the dye-donor element may also contain a releasing agent that aids in separating the dye-donor element from the dye-receiving element after transfer.
  • the releasing agents can also be applied in a separate layer on at least part of the dye layer.
  • solid waxes fluorine- or phosphate-containing surfactants and silicone oils are used. Suitable releasing agents are described in e.g. EP 133012, JP 85/19138, EP 227092.
  • the dye-receiving elements according to the invention are used to form a dye transfer image.
  • a process comprises placing the dye layer of the donor element in face-to-face relation with the dye-receiving layer of the receiver sheet and imagewise heating from the back of the donor element.
  • the transfer of the dye is accomplished by heating for about several milliseconds at a temperature of 400°C.
  • a monochrome dye transfer image is obtained.
  • a multicolor image can be obtained by using a donor element containing three or more primary color dyes and sequentially performing the process steps described above for each color.
  • the above sandwich of donor element and receiver sheet is formed on three occasions during the time when heat is applied by the thermal printing head. After the first dye has been transferred, the elements are peeled apart.
  • a second dye-donor element (or another area of the donor element with a different dye area) is then brought in register with the dye-receiving element and the process repeated.
  • the third color and optionally further colors are obtained in the same manner.
  • detection marks are commonly provided on one surface of the donor element.
  • optically detectable marks are used that can be detected by a light source and a photo sensor; detection can be done by measuring the light transmitted through the detection mark or reflected from said mark.
  • the marks being in the form of a light-absorbing or light-reflecting coating are formed in a preassigned position on the donor element by e.g. gravure printing.
  • the detection marks can comprise an infrared absorbing compound such as carbon black.
  • the detection mark can also comprise one of the image dyes that are used for the image formation, with the detection being in the visible range.
  • thermal heads In addition to thermal heads, laser light, infrared flash or heated pens can be used as the heat source for supplying heat energy.
  • Thermal printing heads that can be used to transfer dye from the dye-donor element to the receiver sheet are commercially available.
  • the dye layer or another layer of the dye element has to contain a compound that absorbs the light emitted by the laser and converts it into heat, e.g. carbon black.
  • the support of the dye-donor element may be an electrically resistive ribbon consisting of, for example, a multi-layer structure of a carbon loaded polycarbonate coated with a thin aluminum film.
  • Current is injected into the resistive ribbon by electrically addresssing a print head electrode resulting in highly localized heating of the ribbon beneath the relevant electrode.
  • the fact that in this case the heat is generated directly in the resistive ribbon and that it is thus the ribbon that gets hot leads to an inherent advantage in printing speed using the resistive ribbon/electrode head technology compared to the thermal head technology where the various elements of the thermal head get hot and must cool down before the head can move to the next printing position.
  • a receiving element was prepared as follows:
  • a 10% solution in methylethylketone for forming the receiving layer comprising a vinylcopolymer and a linear aliphatic polyester, the nature and amount (in g/ ⁇ r) of which are indicated below in table 2 was coated (wet layer thickness 50 ⁇ m) on paper provided on both sides with a polyethylene coating and on one side thereof (the receiving layer side) supplementary with a gelatine coating. After coating the layers were dried at 90°C for 15 minutes.
  • the obtained dye receiving element was printed in combination with a commercially available donor element type CP100S supplied by Mitsubishi in a Mitsubishi video printer type CP 100E.
  • the receiver sheet was separated from the dye-donor element and the dye density of the transferred black image was measured in reflection by means of a Macbeth TD102 densitometer.
  • Polyester no.l is a polyester having a molecular weight of 1500 derived from adipic acid and 1,3-butanediol .
  • Polyester no. 2 is polycaprolactone with molecular weight of 2000.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
EP92920076A 1991-10-02 1992-09-23 Farbbildempfangschicht zur anwendung in der thermischen farbstoffsublimationübertragung Expired - Lifetime EP0607191B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP91202563 1991-10-02
EP91202563 1991-10-02
PCT/EP1992/002208 WO1993007002A1 (en) 1991-10-02 1992-09-23 Dye-image receiving element for use according to thermal dye sublimation transfer

Publications (2)

Publication Number Publication Date
EP0607191A1 true EP0607191A1 (de) 1994-07-27
EP0607191B1 EP0607191B1 (de) 1996-03-20

Family

ID=8207919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92920076A Expired - Lifetime EP0607191B1 (de) 1991-10-02 1992-09-23 Farbbildempfangschicht zur anwendung in der thermischen farbstoffsublimationübertragung

Country Status (3)

Country Link
EP (1) EP0607191B1 (de)
DE (1) DE69209306T2 (de)
WO (1) WO1993007002A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09221145A (ja) * 1996-02-13 1997-08-26 Dainippon Printing Co Ltd 昇華転写によりインデックスプリントされた写真用ｄｐ袋、写真用ネガ袋およびインデックスプリントシート

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740497A (en) * 1985-12-24 1988-04-26 Eastman Kodak Company Polymeric mixture for dye-receiving element used in thermal dye transfer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9307002A1 *

Also Published As

Publication number Publication date
WO1993007002A1 (en) 1993-04-15
DE69209306T2 (de) 1996-09-19
DE69209306D1 (de) 1996-04-25
EP0607191B1 (de) 1996-03-20

Similar Documents

Publication Publication Date Title
US4990485A (en) Heat transfer image-receiving sheet
US4990486A (en) Thermal transfer image receiving material
US5330962A (en) Thermal dye transfer printing method for obtaining a hard copy of a medical diagnostic image
US5098883A (en) Thermal transfer image receiving material
US5441921A (en) Image receiving element for thermal dye diffusion transfer
EP0384989B1 (de) Registrierelement für die thermische Farbstoffsublimationsübertragung
US5457000A (en) Dye-image receiving element for use according to thermal dye sublimation transfer
EP0509578B1 (de) Empfangselement für die Farbstoffübertragung durch Thermosublimation um eine gedrückte Kopie eines Bildes für medizinische Diagnostik herzustellen
US5866506A (en) Assemblage and Process for thermal dye transfer
EP0607191B1 (de) Farbbildempfangschicht zur anwendung in der thermischen farbstoffsublimationübertragung
JPS61217290A (ja) 階調記録用熱転写シ−ト
US5376618A (en) Thermal dye sublimation transfer receiving element
US5510314A (en) Thermal dye transfer system with receiver containing reactive carbonyl group
US5512533A (en) Thermal dye transfer system with receiver containing alkyl acrylamidoglycolate alkyl ether group
EP0634291A1 (de) Farbstoffdonorelement zur Anwendung in einem thermischen Farbstoffübertragungsverfahren
JPH09202058A (ja) 熱転写シート
US5683956A (en) Thermal dye transfer system with receiver containing amino groups
EP0481129B1 (de) Empfangselement für die Farbstoffübertragung durch Thermosublimation
JP3504768B2 (ja) 熱転写受像シート
US5512532A (en) Thermal dye transfer system with receiver containing reactive keto moiety
EP0606273B1 (de) Farbbildempfangschicht zur anwendung in der thermischen farbstoffsublimationübertragung
GB2273992A (en) Thermal transfer sheet
JPH02196692A (ja) 熱転写シート及び熱転写方法
EP0629510B1 (de) Bildempfangelement für thermische Farbstoffübertragung durch Diffusion
EP0594239B1 (de) Farbstoffgebendes Element, das Magenta-Tricyanovinylfarbstoffe enthält

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19940318

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB

17Q First examination report despatched

Effective date: 19950102

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REF Corresponds to:

Ref document number: 69209306

Country of ref document: DE

Date of ref document: 19960425

ET Fr: translation filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: 746

Effective date: 19961118

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: FR

Ref legal event code: D6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19970826

Year of fee payment: 6

Ref country code: FR

Payment date: 19970826

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980923

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19980923

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990531

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20000911

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020501