EP0737133B1 - Procede d'application thermique de couches hydrophiles sur des substrats hydrophobes et utilisation des substrats ainsi revetus comme supports de plaques offset - Google Patents

Procede d'application thermique de couches hydrophiles sur des substrats hydrophobes et utilisation des substrats ainsi revetus comme supports de plaques offset Download PDF

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Publication number
EP0737133B1
EP0737133B1 EP95904503A EP95904503A EP0737133B1 EP 0737133 B1 EP0737133 B1 EP 0737133B1 EP 95904503 A EP95904503 A EP 95904503A EP 95904503 A EP95904503 A EP 95904503A EP 0737133 B1 EP0737133 B1 EP 0737133B1
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EP
European Patent Office
Prior art keywords
substrate film
oxide powder
mixtures
plasma
particle size
Prior art date
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Expired - Lifetime
Application number
EP95904503A
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German (de)
English (en)
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EP0737133A1 (fr
Inventor
Heinrich Kühn
Dieter Jaculi
Engelbert Pliefke
Ulrich Bos
Werner Frass
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Agfa Gevaert AG
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Hoechst AG
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Publication date
Priority claimed from DE4344692A external-priority patent/DE4344692A1/de
Priority claimed from DE4401059A external-priority patent/DE4401059A1/de
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of EP0737133A1 publication Critical patent/EP0737133A1/fr
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/006—Printing plates or foils; Materials therefor made entirely of inorganic materials other than natural stone or metals, e.g. ceramics, carbide materials, ferroelectric materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/03—Chemical or electrical pretreatment
    • B41N3/032—Graining by laser, arc or plasma means
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
    • C23C4/11—Oxides

Definitions

  • the invention relates to a thermal process for the application of hydrophilic Ceramic layers on substrates for printing plates.
  • This hydrophilized Backing material is suitable due to the achievable surface topography particularly good for coating with photosensitive layers from which Printing plates can be made after exposure and development Printing forms with uniform topography, high print run stability and good Result in dampening solution guidance.
  • the multi-stage processes are based on a uniform aluminum composition bound to the support surface to ensure that when regulated chemical process control a uniform surface topography free of Scars develop.
  • the disposal of the baths and the solids content are to be regarded as negative factors.
  • DE-AS-23 48 717 is a further method for applying dampening solution layers on printing plates for the offset printing process known. They are layers of poorly or insoluble carbonates, Silicates or quartz are provided, which are based on the plasma spraying process roughened carrier applied, and then to produce the appropriate roughness be sanded. The image portion area is removed by partially removing the Get coating. However, this method is due to the mechanical Processing and the etching process to remove the layer, very complex.
  • the aim of the present invention was to provide a thermal coating process for To provide hydrophilization of surfaces in which not only aluminum supports but also other metals such as steels and other non-ferrous metals and Alloys or even plastics can be safely controlled and coated with adhesive can be.
  • the residues are to be reduced to a minimum and should be so that recycling is easily possible.
  • the aim is achieved according to the invention by a method of the type mentioned at the outset, the characteristic features of which are that, in a first treatment step, a surface roughness R a in the range from 0.2 to 1.5 ⁇ m is generated on the surface of the carrier film by mechanical micro-roughening, and in that the carrier film is then coated by thermal spraying of powdery oxides and / or oxidic mixtures and compounds with an average grain size in the range from -40 to + 1 ⁇ m with a permanently stable, hydrophilic coating.
  • Grain size information of the type -40 to + 1 ⁇ m mean within the scope of the present Invention that none in the powder with the corresponding grain size specification Particles with a grain size larger than 40 ⁇ m and no particles with a Grain size of less than 1 ⁇ m are available.
  • the hydrophilic layer applied according to the invention fulfills several functions, which when coating with photosensitive resins and used as Offset printing plates have a positive effect.
  • Fig. 1 shows schematically a process flow with the enlarged Surface conditions.
  • a metal or plastic film 1 as a base support for offset printing plates is from a roll 2 is continuously wound at a constant belt speed, the base carrier preferably having a thickness in the range from 100 to 500 ⁇ m, particularly preferably from 120 to 350 microns, and should have a thickness tolerance of ⁇ 2% with a scratch and scar-free surface that is free of coarse organic or mineral residues.
  • metallic materials can aluminum and its alloys of the preferred composition or Stainless steels or refined steels. Others can metallic materials that resist corrosion caused by the dampening solution and meet the mechanical properties, find use.
  • Thermoplastic polyesters can preferably be used as plastics be, with polyethylene terephthalate-containing homo- and copolymers and Mixtures thereof with other polyesters or polyamides are particularly suitable are.
  • the plastics can also fillers in an amount of up to Contain 5 wt .-%, with inorganic fillers such as alumina, titanium dioxide and / or aluminum oxide are particularly suitable. Preferably located at least 1.5% by weight fillers in the plastic.
  • the basic carrier 1 is moved over a freely rotating, vertically guided movable roller 3 to accommodate speed compensation and to ensure one as large as possible wrap angle for the subsequently arranged Treatment roller 4 performed.
  • the form fit adjacent body 1 according to the invention in a first step mechanically roughened so that a micro-rough surface is created without the Damage the base body by warping.
  • Sandblasting process for derusting, for Removal of layers of paint or to solidify surfaces are indeed already known, but it was surprising that thin films with little distortion have particularly uniform micro-rough surface topographies provided.
  • a 'pressure jet method' is advantageously used, in which the jet pressure is in the range from 0.5 to 2 bar, preferably from 0.6 to 1.5 bar.
  • the distance of the nozzle from the base body 1 is in the range from 50 to 150 mm, preferably from 50 to 80 mm.
  • Sharp-edged blasting media are particularly suitable as blasting media, in particular mineral blasting media such as Al 2 O 3 or corundum with a grain size in the range from 10 to 100 ⁇ m, preferably from 20 to 50 ⁇ m.
  • the amount of abrasive is 500 to 1000 g / m 2 of the base carrier, which is metered consistently.
  • the metering is advantageously carried out by rotating mechanical metering devices.
  • the blasting device 5 which can optionally also comprise a plurality of nozzles, is moved parallel to the longitudinal axis 6 of the treatment roller 4 at a speed of 1000 to 2000 mm / s. After the blasting process, the surface of the base body is freed of dusts.
  • roller 3 can be a wear-resistant body with small masses flexible rubber pad can be provided.
  • the base body belt 1 has a micro-rough surface 7 with a roughness R a of 0.2 to 1.5 ⁇ m, preferably 0.5 to 1.0 ⁇ m, and can be carried out continuously or in increments to the coating station, the plasma spraying, be performed.
  • the thermal spray process plasma spraying with a plasma torch 10 in natural ambient atmosphere with a non-transmitted arc acc. DIN 32530, is known as technology for the application of thick layers.
  • plasma spray guns are particularly advantageous and increases the coating speed many times over, depending on the number of guns.
  • an area in the range from 300 to 1000 m 2 / h can be coated.
  • the roller body of the treatment roller 8 which is made of steel, aluminum or other metal alloys can also have the task of heat the thermal process with which the base support for printing plates inevitably is charged to record and derive. Additional cooling of the Roller body with heat-dissipating flow media, one Avoiding falling below the dew point causes a trouble-free Litigation.
  • plasma spray layers with a thickness of 5 to 20 ⁇ m and with a layer thickness tolerance of ⁇ 5%.
  • the Layers have an adhesion that the "film test", as in electroplating is common to match. In doing so, adhesive strips are applied to the coated surface pressed and then suddenly again perpendicular to the coating plane deducted. The coating material on the adhesive layer must not stay attached.
  • the layers can be bent by bending the body 1 Angles of 90 ° cannot be removed by chipping.
  • Argon and nitrogen can be used as the plasma-forming hot gases.
  • Gas mixtures such as argon-nitrogen, nitrogen-hydrogen or are advantageous argon-hydrogen used particularly advantageously.
  • the introduced electrical Power is advantageously 20 to 50 KW, particularly advantageously 25 to 35 KW.
  • a very fine powder with an average grain size of 20 20 ⁇ m is used to produce a layer with a roughness R a of 1 to 2 ⁇ m. Powders with an average grain size of 5 to 12 ⁇ m could be used particularly advantageously.
  • a second powder fraction with a grain size of 20 to 40 ⁇ m, which is expediently added separately, has the effect that from the basic roughness 14 it is possible to produce individual tips 15 which are controllable in terms of quantity and are distributed statistically uniformly over the surface.
  • the grains can have a different chemical composition, such as the base layer Al 2 O 3 - tips Al 2 O 3 + 3% TiO 2.
  • Aluminum oxides and mixtures or compounds with other oxides Find use that according to the invention on the layer surface Light absorption factor of 50 to 70%.
  • Aluminum alloys such as B. AlSi, AlMg or Al-Si-Fe and perlet or sintered mixtures with these compositions by oxidation of fine Powders, the preferred grain sizes ⁇ 20 microns, oxidic mixtures or Compounds with hydrophilic layer properties are generated.
  • powdered oxides of the type described such, but optionally also powdered metals, in the plasma jet oxidize, or apply a combination of these.
  • the layer combination of base body and thermally applied hydrophilic Ceramic layer has a different hydrophilicity and increased wear resistance compared to oxide mixtures generated in the plasma gas jet Metals.
  • cleaning 16 is expediently carried out Blow off and suction of the non-sticky particles. These can analogous to the sandblasting process together with the dusts that are in the Plasma injection process occur, also be returned to the material cycle.
  • the cleaned belts are then at a coating station 17 on the hydrophilized surface 19 coated with a photosensitive layer 18.
  • the coated strips are then dried and, if necessary, tempering processes exposed.
  • the printing plates can be made to their final size band-shaped material can be cut.
  • the actual formatting too Printing plates are made in the printing houses using known processes.
  • a rolled aluminum foil tape WSt. No. 3.0205 with a thickness of 300 ⁇ m and a width of 1600 mm was subjected to a sandblasting process in a first step.
  • Two blasting nozzles with a diameter of 8 mm were moved at a distance of 60 mm parallel to the longitudinal axis of the sandblasting roller at a speed of 1.5 mm / s over the film strip.
  • the sandblasting roller itself moved at a speed of 25 mm / s.
  • the abrasive was dosed through a rotating disc with a metering groove in such a way that an amount of 700 g / m 2 was applied to the film.
  • the amount of compressed air was 250 m 3 / h at a pressure of 1.2 bar.
  • the blasting material used was conveyed into a dust screening system and there dusts with a particle diameter of ⁇ 3 ⁇ m were removed from the blasting medium.
  • the dust-free abrasive was then used again. This measure reduced the total abrasive consumption to 35 g / m 2 .
  • the sheet had a roughness R a of 0.92 ⁇ m measured in accordance with DIN 4768.
  • Example 1 An aluminum foil strip as in Example 1 was moved with the same machine order as in Example 1.
  • the hydrophilic layer was applied by the high speed flame spraying process.
  • a powder C and D as in Example 1 was used in the burner.
  • Powder C was injected directly into the center of the flame, using acetylene in an amount of 4,400 l / h and oxygen in an amount of 6,200 l / h as the fuel gas.
  • Powder D was injected into the flame before the burner. 5 burners were mounted on the traverse unit so that a width of 75 mm could be coated at the same time.
  • the burner distance was 200 mm.
  • the layer produced in this way has a layer thickness of 10 to 12 ⁇ m and a roughness R a of 1.2 to 1.5 ⁇ m. Examination of the adhesive strength of the applied layer with an adhesive strip showed very good adhesion. Processing into a printing plate was carried out analogously to Example 1.
  • a biaxially stretch-oriented and heat-fixed sheet of polyethylene terephthalate with a thickness of 300 ⁇ m and a width of 1600 mm was subjected to micro-roughening as indicated in Example 1.
  • the blasted surface was cleaned by blowing with dry compressed air, but without organic solvents, and had a non-grooved, fine-grained, micro-rough surface topography with a roughness R a of 0.8 to 1.2 ⁇ m, measured according to DIN 4768.
  • the blasted film strip was then led to the plasma spray station. There was it with a force of 10 N to a temperature of one with water Pressed roll cooled from + 10 ° C.
  • the role turned with one uniform speed of 25 mm / s under two plasma torches that even horizontally, i.e. parallel to the longitudinal axis of the roll, at one speed of 2000 mm / s were moved back and forth.
  • the distance between the burners and the film tape was 100 mm.
  • the electrical power was 28 KW.
  • the Plasma flame became a mixture of powder from two separate dosing systems D and powder C (name as in Example 1) in a mixing ratio of 30: 70 entered. The total amount of powder was adjusted so that at one Powder efficiency of 90% an even layer with a thickness of 5 ⁇ m arises. The thickness fluctuation of the layer produced in this way was ⁇ 5%.
  • Example 1 An aluminum foil strip as in Example 1 was coated with a conventional aluminum powder with a grain size - 80 + 40 ⁇ m and a conventional aluminum oxide powder with a grain size - 53 + 10 ⁇ m by the plasma spraying process.
  • the two grits were mixed in a weight ratio of 1: 1 and injected into the plasma flame.
  • Common parameters were used as they can be found in data sheets from plant manufacturers for coating oxides.
  • An argon-hydrogen mixture with 75 vol.% Argon and 25 vol.% Hydrogen with an electrical output of 37 KW is recommended.
  • the layer had a roughness R a of 4 ⁇ m (DIN 4768) and an uneven composition, since the lightly melting aluminum adhered to the injector and detached in larger threads as melt material and was deposited as a peak-like elevation on the film strip.
  • R a 4 ⁇ m
  • the printing plate produced therefrom as in Example 1 only the 25 ⁇ m lines in the UGRA test were reproduced safely. Furthermore, punctiform portions of the image remained in the area of the non-image areas due to the high roughness.
  • the printing plates produced in this way do not meet the quality standards of offset printers.

Claims (18)

  1. Procédé de préparation de clichés d'impression dans lequel on prépare sur une feuille de support une couche hydrophile par projection thermique, caractérisé en ce que, dans une première étape de traitement, on réalise sur la surface de la feuille de support par microgranulation mécanique une rugosité superficielle Ra dans le domaine de 0,2 à 1,5 µm, puis on revêt la feuille de support par projection thermique d'oxydes pulvérulents et/ou de mélanges d'oxydes pulvérulents et de composés ayant une granulométrie comprise entre -40 et +1 µm, d'une couche de revêtement hydrophile ayant une adhérence solide et durable.
  2. Procédé selon la revendication 1, caractérisé en ce que la microgranulation est effectuée à l'aide d'un procédé de projection de jet sous pression, dans lequel on projette à la surface de la feuille de support, sous une pression de jet de 0,5 à 2 bars, un agent de projection minéral à arêtes vives, d'une granulométrie comprise entre -100 à +10 µm.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la feuille de support est une feuille métallique ayant une épaisseur comprise entre 100 et 500 µm, de préférence de 120 à 350 µm, avec une surface sans éraflures et sans piqûres exempte de résidus organiques ou minéraux grossiers.
  4. Procédé selon la revendication 3, caractérisé en ce que la feuille métallique est en aluminium ou alliages d'aluminium, en acier inoxydable ou en acier rendu inoxydable ou en hydrures métalliques.
  5. Procédé selon la revendication 1 ou 2, caractérisé en ce que la feuille de support est une feuille de matière plastique orientée par étirage biaxial et fixée par la chaleur, d'une épaisseur de 100 à 500 µm, en une matière plastique thermoplastique, telle que le poly(chlorure de vinyle), le polyester, par exemple le poly(téréphtalate d'éthylène), ou le poly(téréphtalate de butylène), le polyamide, le polysulfure de phénylène ou le polypropylène.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que, après avoir subi le traitement par microgranulation, la feuille de support est conduite depuis un rouleau, en passant sur un cylindre à rotation libre guidé verticalement, vers un cylindre de traitement installé à la suite et, en adhérant mécaniquement à celui-ci, elle est conduite sous un jet de gaz chaud d'un dispositif de projection, en déplaçant le dispositif de projection au-dessus de la feuille de support parallèlement à l'axe longitudinal du cylindre de traitement en ligne droite ou en ligne ondulée.
  7. Procédé selon la revendication 6, caractérisé en ce que le dispositif de projection comprend au moins deux torches de projection.
  8. Procédé selon la revendication 6 ou 7, caractérisé en ce que des milieux liquides caloporteurs passent à travers le cylindre de traitement.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que la poudre d'oxyde contient de l'oxyde d'aluminium et/ou des mélanges et des composés avec l'oxyde d'aluminium et d'autres oxydes.
  10. Procédé selon la revendication 9, caractérisé en ce que la poudre d'oxyde a une granulométrie de -20 à +1 µm.
  11. Procédé selon la revendication 10, caractérisé en ce que l'on ajoute par mélange à la poudre d'oxyde ayant une granulométrie de -20 à +1 µm ou l'on introduit séparément dans le jet de plasma une autre poudre d'oxyde, laquelle autre poudre d'oxyde présente une granulométrie de -40 à +20 µm.
  12. Procédé selon la revendication 11, caractérisé en ce la composition chimique de l'autre poudre d'oxyde est différente de celle de la poudre d'oxyde avec une granulométrie de -20 à +1.
  13. Procédé selon la revendication 12, caractérisé en ce que l'autre poudre d'oxyde est l'oxyde de zirconium ou l'oxyde de magnésium.
  14. Procédé selon l'une des revendications 1 à 13, caractérisé en ce que l'on ajoute à la poudre d'oxyde en plus une poudre métallique fine, de préférence l'aluminium et ses alliages et/ou des mélanges avec d'autres métaux que l'on fait réagir dans la flamme de plasma pour obtenir des mélanges et/ou des composés avec des caractéristiques hydrophiles.
  15. Procédé selon l'une des revendications 1 à 14, caractérisé en ce que l'on utilise des poudres d'oxydes qui sont constitués de mélanges mécaniques, de mélanges de métaux et de céramique pastillés ou frittés, de leurs grains d'agglomérats, ou d'oxydes enrobés de métaux, de préférence d'aluminium et de ses alliages.
  16. Procédé selon la revendication 1, caractérisé en ce que l'on utilise en tant que procédé de projection thermique la projection au plasma avec les gaz préférés formant du plasma, l'argon, l'azote, des mélanges argon/azote, azote/hydrogène ou argon/hydrogène ou on utilise le procédé de projection à la flamme à grande vitesse avec les gaz de combustion préférés l'hydrogène, l'acétylène, le propane, le propylène et l'oxygène.
  17. Utilisation d'un cliché d'impression préparé selon un procédé selon l'une des revendications 1 à 16 pour l'impression offset.
  18. Utilisation d'un cliché d'impression préparé selon un procédé selon l'une des revendications 1 à 16, comme faux cliché dans l'impression offset.
EP95904503A 1993-12-27 1994-12-19 Procede d'application thermique de couches hydrophiles sur des substrats hydrophobes et utilisation des substrats ainsi revetus comme supports de plaques offset Expired - Lifetime EP0737133B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4344692 1993-12-27
DE4344692A DE4344692A1 (de) 1993-12-27 1993-12-27 Thermisches Auftragsverfahren für hydrostabile Schichten auf hydrophoben Substraten und Verwendung so beschichteter Substrate als Trägerkörper für Offsetdruckplatten
DE4401059A DE4401059A1 (de) 1994-01-15 1994-01-15 Verfahren zur mechanischen Mikroaufrauhung und einer anschließenden thermischen Auftragung von hydrophilen Schichten auf Folien und Verwendung so beschichteter Substrate als Trägerkörper für Offsetdruckplatten
DE4401059 1994-01-15
PCT/EP1994/004218 WO1995018019A1 (fr) 1993-12-27 1994-12-19 Procede d'application thermique de couches hydrophiles sur des substrats hydrophobes et utilisation des substrats ainsi revetus comme supports de plaques offset

Publications (2)

Publication Number Publication Date
EP0737133A1 EP0737133A1 (fr) 1996-10-16
EP0737133B1 true EP0737133B1 (fr) 1998-07-29

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EP95904503A Expired - Lifetime EP0737133B1 (fr) 1993-12-27 1994-12-19 Procede d'application thermique de couches hydrophiles sur des substrats hydrophobes et utilisation des substrats ainsi revetus comme supports de plaques offset

Country Status (6)

Country Link
US (1) US5967047A (fr)
EP (1) EP0737133B1 (fr)
JP (1) JP3402368B2 (fr)
AU (1) AU1316395A (fr)
DE (1) DE59406576D1 (fr)
WO (1) WO1995018019A1 (fr)

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DE10037998A1 (de) * 2000-08-04 2002-02-14 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zum Löschen einer wiederbebilderbaren Druckform
US6777045B2 (en) * 2001-06-27 2004-08-17 Applied Materials Inc. Chamber components having textured surfaces and method of manufacture
JP3780958B2 (ja) * 2002-02-12 2006-05-31 コニカミノルタホールディングス株式会社 印刷版材料及び印刷版
US20040040145A1 (en) * 2002-08-29 2004-03-04 Halliday James W. Method for making a decorative metal sheet
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EP0737133A1 (fr) 1996-10-16
AU1316395A (en) 1995-07-17
US5967047A (en) 1999-10-19
JPH09504241A (ja) 1997-04-28
JP3402368B2 (ja) 2003-05-06
WO1995018019A1 (fr) 1995-07-06
DE59406576D1 (de) 1998-09-03

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