EP0993963B1 - Procédé d'impression en continu d'un film plastique, dispositif pour sa mise en oeuvre et film plastique imprimé obtenu par le procédé - Google Patents
Procédé d'impression en continu d'un film plastique, dispositif pour sa mise en oeuvre et film plastique imprimé obtenu par le procédé Download PDFInfo
- Publication number
- EP0993963B1 EP0993963B1 EP99402398A EP99402398A EP0993963B1 EP 0993963 B1 EP0993963 B1 EP 0993963B1 EP 99402398 A EP99402398 A EP 99402398A EP 99402398 A EP99402398 A EP 99402398A EP 0993963 B1 EP0993963 B1 EP 0993963B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plastic film
- roll
- printing
- paper
- printed
- 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.)
- Expired - Lifetime
Links
- 239000002985 plastic film Substances 0.000 title claims abstract description 100
- 229920006255 plastic film Polymers 0.000 title claims abstract description 90
- 238000007639 printing Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000000859 sublimation Methods 0.000 claims abstract description 29
- 230000008022 sublimation Effects 0.000 claims abstract description 29
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 238000007651 thermal printing Methods 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 10
- 238000010023 transfer printing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 4
- 239000002952 polymeric resin Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 2
- 238000003490 calendering Methods 0.000 claims description 2
- IVKVYYVDZLZGGY-UHFFFAOYSA-K chromium(3+);octadecanoate Chemical class [Cr+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O IVKVYYVDZLZGGY-UHFFFAOYSA-K 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 244000144992 flock Species 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004150 EU approved colour Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 claims 1
- 239000007764 o/w emulsion Substances 0.000 claims 1
- 229940006093 opthalmologic coloring agent diagnostic Drugs 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 12
- 229920003023 plastic Polymers 0.000 abstract description 12
- 239000000835 fiber Substances 0.000 abstract description 3
- 230000001464 adherent effect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000003086 colorant Substances 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 16
- 238000000576 coating method Methods 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 230000004927 fusion Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 241001080024 Telles Species 0.000 description 3
- 239000008199 coating composition Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000021183 entrée Nutrition 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 241001417494 Sciaenidae Species 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 239000003911 antiadherent Substances 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010017 direct printing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000008542 thermal sensitivity Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/02—Transfer printing apparatus for textile material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
- B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
- B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
- B41M5/0358—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic characterised by the mechanisms or artifacts to obtain the transfer, e.g. the heating means, the pressure means or the transport means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0052—Digital printing on surfaces other than ordinary paper by thermal printing
Definitions
- the invention relates to a method for continuously printing a film plastic plane, flocked or not, the device for its implementation and the film printed plastic obtained by this method.
- Sublimation transfer printing is already known as such and consists, in a first step, to print on a support paper patterns from inks consisting of sublimable dyes that are suitable to vaporize at a certain temperature and to settle permanently on synthetic materials, for example polyester or polyamide polymers, the printing process of the carrier paper can be any, for example an offset printing, a heliographic or flexographic printing, or an impression silkscreen with flat or rotating frame.
- the printing process of the carrier paper can be any, for example an offset printing, a heliographic or flexographic printing, or an impression silkscreen with flat or rotating frame.
- patterns in sublimable dyes previously printed on the backing paper are transferred by sublimation, putting in contact, under a regular pressure and a determined temperature, usually using of a thermal grille, the pre-printed paper with the textile support to print, usually for a period of 5 to 40 seconds.
- the grille In the case of printing in formats, thermal heating press with horizontal plates, or in the case of an impression continuously from rolls of printed paper and synthetic
- This sublimation transfer printing process can be used to to print certain plastics, provided that previously a layer of varnish on the plastic material to be printed, or to pre-process the pre-printed printing paper so as to make non-stick.
- This printing method is used in particular for printing injected or shaped plastic parts, such as flasks, skis, pens, helmets, and in this case the impression is made using a heating tool matching the shape of the room plastic to print.
- Another method of direct printing of plastic films is to use the known methods of the flexographic or screen printing type, but in this case, the ink does not penetrate the plastic, so that the printed patterns have a low resistance to scratching and friction. In addition, these printing methods do not allow to obtain the finest graphic effects, for example impressions in four-color photographic type.
- WO 93/22072 discloses a method of coating or for printing plastic sheets, comprising the steps of put a sheet of plastic on an endless conveyor belt, heat the plastic sheet to a temperature sufficient to adhere the plastic sheet to the conveyor belt, to cool the plastic sheet adhering to the conveyor belt, to coat or print the sheet plastic adhering to the conveyor belt with a composition coating or with inks or dyes, to dry the composition coatings or inks or dyes, to cool the plastic sheet and to remove it from the conveyor belt.
- the first cooling step before the next stage of coating or printing, excludes the use of a sublimation transfer printing process which requires a temperature at least equal to or greater than that required for the heating step to adhere the plastic sheet to the strip conveyor.
- WO93 / 22072 also discloses another method coating or printing plastic sheets or other substrates, such as knit, fabric, fleece or felt, this method of coating or print a conveyor belt with at least one layer of aqueous coating composition, a coating composition containing a solvent or a mixture of these two compositions, a hardenable lacquer UV, an ink or dye, or a PVC paste, to dry the composition or the ink deposited on the conveyor belt, to deposit the plastic sheet or other substrate on the conveyor belt thus coated or printed, to transfer the coating composition or ink from the tape conveyor to the plastic sheet or other substrate by use of heat, cool the plastic sheet or other substrate and remove it from the conveyor belt.
- Yet another known method for printing plastic films consists of heat sealing on the surface to be printed on the plastic film previously printed support, for example a printed polyester film in heliography, then laminated hot on the plastic film at the end of the extruder (EP 0 097 528, Figure 14).
- the object of the invention is to propose a process for the continuous printing of a plastic film, flocked or not, by a transfer printing process sublimation, while having quality, finesse and sharpness high print quality, such as four-color printing, and avoiding bonding between the plastic film both with the conveyor belt and with the pre-printed printing paper.
- the temperature for thermocolling the plastic film at temporary support is between 100 and 200 ° C, preferably between 170 and 180 ° C.
- the temperature for sublimation transfer can be between 170 and 230 ° C.
- the temperature at which the entire film Printed plastic and temporary support is cooled may be of the order from 20 to 30 ° C.
- the method of the invention consists, for a non-flocked plastic film, to pre-print the printing paper with a ink containing sublimable dyes, and softening agents or non-stick, to avoid sticking between plastic film and paper during the sublimation transfer printing step.
- these agents are chosen from silicones, fatty acids organic and chromium stearates.
- the method comprises preparing a flocked plastic film prior to the thermal printing step by applying an adhesive layer to the front of the plastic film and flocking white fibers to said adhesive layer.
- the adhesive layer is a polymer resin in aqueous emulsion or organic solution
- the flocks are preferably polyamide or polyester fibers, with a length of between 0.3 and 3.0 mm and a titer between 0.5 and 20 Dtex (0.5 and 20.10 -7 Kg.m -1) .
- the plastic film may be a calendered, extruded or coextruded film, selected among the polyvinyl chloride-based polymer resins, polystyrene, polypropylene, butadiene-styrene acrylic (ABS), polyurethane, polyester, polycarbonate, polyamide or any other mixture of these.
- ABS butadiene-styrene acrylic
- the printing paper can be printed by offset printing, flexographic, heliographic, screen printing, or inkjet printing.
- the cooling station comprises two cylinders with double envelope, each cylinder having a circulation of an agent refrigerant, for example water, in the jacket, so that said printed composite web comes into contact with the first cylinder by its temporary support band, then with the second cylinder by its printed plastic film tape.
- an agent refrigerant for example water
- the subject of the invention is also a strip of printed plastic film, characterized in that it is directly obtained by the above method.
- This device comprises a unwinding station 1 which supports rotatively, a reel 2 from which a web is unrolled temporary support 3 for example paper, and above the coil 2, a spool 17 from which is unwound a strip of plastic film 4, flocked or not.
- the temporary support is made of material that is not very sensitive to heat, to ensure dimensional stability to the plastic film, when the subsequent sublimation operation, this material having a anti-adherent feature at room temperature, to facilitate the detachment of the plastic film after thermal printing, as well as ability to adhere hot with the plastic film when the latter undergoes fusion, during heating and sublimation transfer operations later.
- a heating station 5 which comprises three guide rollers 6 arranged upstream of a drum rotary heater 7, which is rotated in the indicated clockwise direction by the arrow F in FIG.
- the strips 3 and 4 pass under a first roll 6, the front of the strip of plastic film 4 coming into contact with the roll 6 and the temporary support strip 3 coming into contact with the reverse side of the said strip 4.
- the set of strips 3 and 4 as well overlapping is routed horizontally to a second roll 6 against which the front side of the strip of plastic film 4 always bears, said strips 3 and 4 making a 90 ° turn upward around this second roll 6.
- the superimposed strips 3 and 4 perform a turn 180 ° around the third roller 6 which is located near the heating drum 7, so that the temporary support band 3 comes in contact with the heating cylinder 7, to prevent sticking by softening of the plastic film on the heating drum 7.
- the assembly strips 3 and 4 wrap around the heating drum 7 at an angle about 270 °, so that the plastic film strip 4 is brought to a temperature of about 200 ° C when the assembly leaves the drum 7.
- the plastic film strip adheres, because of its fusion, to the temporary support strip 3 which ensures a dimensional support to said strip of plastic film 4, the whole thus forming a composite strip 18 whose two layers are temporarily glued together.
- Said composite strip 18 is conveyed horizontally downstream of the heating drum 7 to a heat-printing machine 8.
- This thermo-printing machine 8 has at its entrance a roll of guidance 9 against which the temporary support of the band is supported composite.
- the composite strip is conveyed by a conveyor belt 10 around a rotating heating grille 11 which is driven by rotation in the counter-clockwise direction in FIG. 1.
- the conveyor belt 10 is consisting of an endless band that rolls around a plurality of rollers 12, some of these rollers being movable to adjust the tension of the carpet 10 and therefore the pressure exerted by the belt 10 against the front grille 11.
- the composite strip comes into contact with the conveyor belt 10 by its temporary support, to avoid any bonding between the plastic film and the carpet.
- the machine 8 further comprises at least one coil 13, for example two reels, from which is unwound a strip 14 of pre-printed paper with a pattern consisting of a sublimable ink.
- the band pre-printed paper 14 is guided by a roller 15 upstream of the carpet 10 and the heating radiator 11.
- the machine 8 comprises two other coils 16 arranged downstream of the heating shell 11 and the carpet 10, on which rolls 16 is wound the paper 14, after the Sublimation transfer of the ink onto the plastic film of the strip composite.
- the pre-printed paper 14 is sandwiched between the shell 11 and the front of the plastic film of the composite strip which is pressurized by the conveyor belt 10 against the shell 11.
- the pattern consisting of a sublimable ink is pre-printed on the side of the paper 14 which is intended to come into contact with the front of the plastic film of the composite tape to allow transfer by sublimation.
- sublimation transfer is done around of the heating grille 11, over an angular stroke of about 300 °, to a temperature between 180 and 230 ° C under a steady pressure generally less than 40 kPa exerted by the conveyor belt 10, and for an approximate duration of 5 to 40 s.
- the sublimable ink of the paper pre-printed 14 contains softening or non-sticking agents, for avoid gluing the pre-printed paper 14 on the plastic film.
- the plastic film has a flocked surface, intended for be printed, it is not necessary to provide such agents.
- the structure of the printing machine 8 will not be described more in detail because it is known in itself.
- two coils 13 and two coils 16 for the pre-printed paper 14 in order to avoid any interruption of the process, when one of the coils is completely unwound, the other taking over during the replacement of the reel completely unwound.
- each cylinder 21 or 22 has a double envelope on its side wall, to circulate inside this double envelope of water, for example at 10 ° C, to cool the band printed composite 19, up to a temperature generally included between 20 and 30 ° C.
- the composite strip first passes around the upper cylinder 21, coming into contact with its temporary support, in order to avoid film sticking printed plastic against this cylinder. Then, the already cooled composite strip passes around the lower cylinder 22, on the side of its plastic film printed, which is no longer likely to stick to the cylinder 22.
- the path of the tape composite around the two cylinders 21 and 22 has a configuration substantially S-shaped. At the outlet of the cooling station 20, the previously printed plastic film no longer adheres to the temporary support, because of the non-stick properties of this last.
- the two overlapping strips pass through a station winding 23 which comprises a coil 24 around which is wound the printed plastic film strip 104 and a coil 25 around it of which is wound the temporary support strip 3.
- a station winding 23 which comprises a coil 24 around which is wound the printed plastic film strip 104 and a coil 25 around it of which is wound the temporary support strip 3.
- the two superposed strips 3 and 104 pass between two rollers 27 downstream of which the two strips are separated into direction of their respective reels. Coils 24 and 25 and rollers 27 are rotated.
- the temporary support band 3 is first unrolled from the coil 2 all the way inside the device up to the coil winding 25, over a total length of about 20 to 30 meters. Then, the plastic film strip 4 is unwound from the spool 17, on a length of about 2 to 3 meters to the heating drum 7, because from from this place the strip of plastic film 4 adheres to the support strip temporary 3, which allows its training through the entire device.
- the temporary support band 3 which is wound on the coil 25, can be reused for the subsequent printing of a new plastic film tape.
- a checkerboard pattern 30 is pre-printed on the strip of printing paper 14, the checkerboard pattern 30 having in its square central equilateral triangle whose apex is directed to the left.
- Sure this strip of printing paper 14 is also printed a marker consisting of a longitudinal line 31 and a transverse line 32, for locate on said strip 14 the preprinted pattern 30.
- a band can be output of printed plastic film 104 having a checkered pattern 130 which is exactly the upside-down image of the pattern 30 of the preprinted paper 14, the top of the equilateral triangle now being turned to the right on the figure 3.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Decoration By Transfer Pictures (AREA)
- Printing Methods (AREA)
- Laminated Bodies (AREA)
- Coloring (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Description
- les films plastiques, et plus particulièrement les films extrudés, présentent des défauts de planéité, ce qui rend difficile leur impression en continu, à partir d'un rouleau de film plastique,
- les films plastiques, et plus particulièrement les films plastiques destinés à être thermoformés, tels que les films en polychlorure de vinyle (PVC) ou en polystyrène, présentent une sensibilité thermique telle qu'ils fondent et perdent ainsi toute cohésion, lorsqu'ils sont soumis à une impression par transfert par sublimation à une température voisine de 200° C, ce qui provoque une fluctuation dimensionnelle anarchique du film plastique lors de l'impression alors que le papier d'impression pré-imprimé ne subit aucune déformation, provoquant ainsi une impression floue et irrégulière,
- la fusion du film plastique lors de l'impression provoque également le collage du film plastique sur le tapis convoyeur de la machine d'impression,
- la fusion du film plastique non flocké conduit également au collage du film plastique au papier d'impression pré-imprimé.
- appliquer sur le verso du film plastique un support provisoire anti-adhérent, par exemple en papier,
- chauffer l'ensemble du film plastique et du support provisoire à une température telle que le film plastique atteigne son point de ramollissement pour coller temporairement au support provisoire, de façon que ce dernier assure le maintien dimensionnel du film plastique lors de l'étape d'impression thermique successive,
- transférer par sublimation un motif constitué d'une encre sublimable préimprimée sur un papier d'impression, par contact sous une pression et une température déterminées avec le recto du film plastique thermocollé au support provisoire,
- refroidir l'ensemble du film plastique ainsi imprimé et du support provisoire à une température permettant le décollement du support provisoire.
- une station de déroulement, comportant une bobine pour une bande de film plastique, flocké ou non, et une bobine pour une bande de support provisoire,
- une station de chauffage à l'entrée de laquelle la bande de support provisoire est appliquée contre le verso de la bande de film plastique, l'ensemble constitué par lesdites bandes superposées venant en contact par la bande de support provisoire contre un tambour chauffant entraíné en rotation, afin de délivrer en sortie une bande composite constituée du film plastique thermocollé au support provisoire,
- une machine de thermo-impression, comportant un tapis convoyeur sous tension qui vient en contact avec le support provisoire de ladite bande composite, une calandre chauffante entraínée en rotation, et au moins une bobine pour une bande de papier pré-imprimé d'un motif constitué d'une encre sublimable, ladite bande de papier pré-imprimé étant appliquée sur le recto du film plastique de ladite bande composite, en amont de la calandre chauffante, de façon que le tapis convoyeur puisse plaquer sous une pression déterminée ladite bande composite recouverte du papier pré-imprimé contre la calandre chauffante, pour transférer par sublimation l'encre sublimable sur le recto du film plastique, le papier d'impression étant séparé de la bande composite imprimée en aval de la calandre chauffante,
- une station de refroidissement pour refroidir la bande composite imprimée à une température telle que la bande de support provisoire puisse être décollée de la bande de film plastique imprimée,
- une station d'enroulement à l'entrée de laquelle la bande de support provisoire est décollée de la bande de film plastique imprimée, chaque bande étant enroulée sur une bobine respective qui est entraínée en rotation.
- la figure 1 est une vue schématique en élévation d'un exemple de réalisation du dispositif de mise en oeuvre du procédé d'impression en continu, conformément au premier objet de l'invention ;
- la figure 2 est une vue partielle et en plan d'une bande de papier pré-imprimé avec un motif à l'envers, colorée ou non, constituée d'une encre sublimable, destinée à être utilisée dans le procédé conforme au premier objet de l'invention ; et
- la figure 3 est une vue partielle et en plan d'une bande de film plastique imprimée par transfert par sublimation à partir de la bande de papier préimprimée de la figure 2.
Claims (12)
- Procédé d'impression en continu d'un film plastique (4), flocké ou non, caractérisé en ce qu'il consiste à :appliquer sur le verso du film plastique (4) un support provisoire (3) anti-adhérent, par exemple en papier,chauffer l'ensemble du film plastique et du support provisoire à une température telle que le film plastique atteigne son point de ramollissement pour coller temporairement au support provisoire, de façon que ce dernier assure le maintien dimensionnel du film plastique lors de l'étape d'impression thermique successive,transférer par sublimation un motif (30, 40) constitué d'une encre sublimable préimprimée sur un papier d'impression (14), par contact sous une pression et une température déterminées avec le recto du film plastique (4) thermocollé au support provisoire (3),refroidir l'ensemble du film plastique ainsi imprimé (104) et du support provisoire (3) à une température permettant le décollement du support provisoire.
- Procédé selon la revendication 1, caractérisé en ce que la température pour thermocoller le film plastique (4) au support provisoire (3) est comprise entre 100 et 200° C, de préférence entre 170 et 180° C.
- Procédé selon l'une des revendications 1 ou 2, caractérisé en ce que la température pour le transfert par sublimation est comprise entre 170 et 230° C.
- Procédé selon l'une des revendications 1 à 3, caractérisé en ce que la température à laquelle l'ensemble du film plastique imprimé (104) et du support provisoire (3) est refroidi est de l'ordre de 20 à 30° C.
- Procédé selon l'une des revendications 1 à 4, caractérisé en ce qu'il consiste, pour un film plastique non flocké, à préimprimer le papier d'impression (14) avec une encre contenant des colorants sublimables, et des agents adoucissants ou anti-adhérents, pour éviter le collage entre le film plastique (4) et le papier d'impression (14), lors de l'étape d'impression par transfert par sublimation.
- Procédé selon la revendication 5, caractérisé en ce que les agents sont choisis parmi les silicones, les acides gras organiques et les stéarates de chrome.
- Procédé selon l'une des revendications 1 à 4, caractérisé en ce qu'il consiste à préparer un film plastique flocké avant l'étape d'impression thermique, en appliquant sur le recto du film plastique (4) une couche adhésive et en flockant des fibres de couleur blanche sur ladite couche adhésive.
- Procédé selon la revendication 7, caractérisé en ce que la couche adhésive est une résine polymère en émulsion aqueuse ou en solution organique, et les flocks sont de préférence des fibres en polyamide ou en polyester, avec une longueur comprise entre 0,3 et 3,0 mm et un titre compris entre 0,5 et 20 Dtex (0,5 et 20.10-7 Kg.m-1).
- Procédé selon l'une des revendications 1 à 8, caractérisé en ce que le film plastique (4) est un film calandré, extrudé ou co-extrudé, choisi parmi les résines polymères à base de polychlorure de vinyle, de polystyrène, de polypropylène, d'acrylique butadiène-styrène (ABS), de polyuréthanne, de polyester, de polycarbonate, de polyamide ou de tout mélange de ces derniers.
- Dispositif pour la mise en oeuvre du procédé selon l'une des revendications 1 à 9, caractérisé en ce qu'il comporte :une station de déroulement (1), comportant une bobine (17) pour une bande de film plastique (4), flocké ou non, et une bobine (2) pour une bande de support provisoire (3),une station de chauffage (5) à l'entrée de laquelle la bande de support provisoire (3) est appliquée contre le verso de la bande de film plastique (4), l'ensemble constitué par lesdites bandes superposées venant en contact par la bande de support provisoire contre un tambour chauffant (7) entraíné en rotation, afin de délivrer en sortie une bande composite (18) constituée du film plastique thermocollé au support provisoire,une machine de thermo-impression (8), comportant un tapis convoyeur (10) sous tension qui vient en contact avec le support provisoire (3) de ladite bande composite (18), une calandre chauffante (11) entraínée en rotation, et au moins une bobine (13) pour une bande de papier (14) pré-imprimé d'un motif (30, 40) constitué d'une encre sublimable, ladite bande de papier pré-imprimé étant appliquée sur le recto du film plastique (4) de ladite bande composite (18), en amont de la calandre chauffante, de façon que le tapis convoyeur puisse plaquer sous une pression déterminée ladite bande composite recouverte du papier pré-imprimé contre la calandre chauffante, pour transférer par sublimation l'encre sublimable sur le recto du film plastique, le papier d'impression étant séparé de la bande composite imprimée (19) en aval de la calandre chauffante,une station de refroidissement (20) pour refroidir la bande composite imprimée (19) à une température telle que la bande de support provisoire (3) puisse être décollée de la bande de film plastique imprimée (104),une station d'enroulement (23) à l'entrée de laquelle la bande de support provisoire (3) est décollée de la bande de film plastique imprimée (104), chaque bande étant enroulée sur une bobine respective (24, 25) qui est entraínée en rotation.
- Dispositif selon la revendication 10, caractérisé en ce que la station de refroidissement (20) comporte deux cylindres (21, 22) à double enveloppe, chaque cylindre comportant une circulation d'un agent réfrigérant, par exemple de l'eau, dans la double enveloppe, de façon que ladite bande composite imprimée (19) vienne en contact avec le premier cylindre (21) par sa bande de support provisoire (3), puis avec le deuxième cylindre (22) par sa bande de film plastique imprimée (104).
- Bande de film plastique imprimée (104), caractérisée en ce qu'elle est directement obtenue par le procédé selon l'une des revendications 1 à 9.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9812862 | 1998-10-14 | ||
FR9812862A FR2784618B1 (fr) | 1998-10-14 | 1998-10-14 | Procede d'impression en continu d'un film plastique, dispositif pour sa mise en oeuvre et film plastique imprime obtenu par le procede |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0993963A1 EP0993963A1 (fr) | 2000-04-19 |
EP0993963B1 true EP0993963B1 (fr) | 2003-03-26 |
Family
ID=9531540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99402398A Expired - Lifetime EP0993963B1 (fr) | 1998-10-14 | 1999-09-30 | Procédé d'impression en continu d'un film plastique, dispositif pour sa mise en oeuvre et film plastique imprimé obtenu par le procédé |
Country Status (7)
Country | Link |
---|---|
US (1) | US6249297B1 (fr) |
EP (1) | EP0993963B1 (fr) |
AT (1) | ATE235377T1 (fr) |
DE (1) | DE69906212T2 (fr) |
ES (1) | ES2194424T3 (fr) |
FR (1) | FR2784618B1 (fr) |
PT (1) | PT993963E (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020107367A1 (fr) * | 2018-11-30 | 2020-06-04 | 华衫环保纺织股份有限公司 | Machine d'impression par transfert de fil de chaîne |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
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US7338697B2 (en) * | 2000-07-24 | 2008-03-04 | High Voltage Graphics, Inc. | Co-molded direct flock and flock transfer and methods of making same |
US7364782B2 (en) | 2000-07-24 | 2008-04-29 | High Voltage Graphics, Inc. | Flocked transfer and article of manufacture including the application of the transfer by thermoplastic polymer film |
US7344769B1 (en) * | 2000-07-24 | 2008-03-18 | High Voltage Graphics, Inc. | Flocked transfer and article of manufacture including the flocked transfer |
US8354050B2 (en) | 2000-07-24 | 2013-01-15 | High Voltage Graphics, Inc. | Co-molded direct flock and flock transfer and methods of making same |
US6929771B1 (en) | 2000-07-31 | 2005-08-16 | High Voltage Graphics, Inc. | Method of decorating a molded article |
US20080006968A1 (en) * | 2000-07-24 | 2008-01-10 | High Voltage Graphics, Inc. | Heat moldable flock transfer with heat resistant, reusable release sheet and methods of making same |
US6596116B2 (en) * | 2000-08-23 | 2003-07-22 | Joseph Macedo | Methods for applying decorative designs to a continuous laminate |
US6998005B2 (en) * | 2001-03-29 | 2006-02-14 | Fresco Plastics Llc | Method and apparatus for forming dye sublimation images in solid plastic |
US8308891B2 (en) | 2001-03-29 | 2012-11-13 | Fresco Technologies, Inc. | Method for forming dye sublimation images in solid substrates |
TWI270478B (en) * | 2001-03-29 | 2007-01-11 | Fresco Plastics | Method and apparatus for continuously forming dye sublimation images in solid substrates |
WO2003031083A1 (fr) | 2001-10-05 | 2003-04-17 | High Voltage Graphics, Inc. | Applique ou decalque en film de resine imprimee par serigraphie et conçue a partir d'une dispersion plastique liquide |
US6951594B2 (en) * | 2002-06-27 | 2005-10-04 | Tweel Home Furnishings, Inc. | Printed oven mitt and method for making same |
US7351368B2 (en) * | 2002-07-03 | 2008-04-01 | High Voltage Graphics, Inc. | Flocked articles and methods of making same |
WO2004005023A1 (fr) * | 2002-07-03 | 2004-01-15 | High Voltage Graphics, Inc. | Procede d'impression et de moulage d'un article floque |
WO2004005415A2 (fr) * | 2002-07-03 | 2004-01-15 | High Voltage Graphics, Inc. | Modele ou transfert etirable floque |
FR2862567B1 (fr) * | 2003-06-24 | 2006-02-17 | Bernard Claveau | Procede et dispositif de marquage par sublimation d'objets allonges |
GB2421710A (en) * | 2003-10-08 | 2006-07-05 | High Voltage Graphics Inc | Processes for precutting laminated flocked articles |
US7465485B2 (en) | 2003-12-23 | 2008-12-16 | High Voltage Graphics, Inc. | Process for dimensionalizing flocked articles or wear, wash and abrasion resistant flocked articles |
US7393576B2 (en) | 2004-01-16 | 2008-07-01 | High Voltage Graphics, Inc. | Process for printing and molding a flocked article |
US20050212181A1 (en) * | 2004-03-29 | 2005-09-29 | Evans Gregg S | Thermoforming of ink jet printed media for the decoration of soft grained automotive interior components |
FR2875822B1 (fr) | 2004-08-04 | 2007-04-27 | Enduction Et De Flockage Sa So | Procede de fabrication en continu d'un support en nappe flocke colore |
FR2881986B1 (fr) * | 2005-02-14 | 2008-07-11 | Plastic Bm Sarl | Procede d'impression de produits en matiere plastique par transfert sublimation |
US8007889B2 (en) * | 2005-04-28 | 2011-08-30 | High Voltage Graphics, Inc. | Flocked multi-colored adhesive article with bright lustered flock and methods for making the same |
WO2007018483A1 (fr) * | 2005-07-05 | 2007-02-15 | Aprentado, Ana, K | Methode pour creer un pot de fleur decoratif |
EP1917137A2 (fr) * | 2005-07-28 | 2008-05-07 | High Voltage Graphics, Inc. | Articles floques comprenant un film poreux |
US7749589B2 (en) * | 2005-09-20 | 2010-07-06 | High Voltage Graphics, Inc. | Flocked elastomeric articles |
US20070110949A1 (en) * | 2005-11-17 | 2007-05-17 | High Voltage Graphics, Inc. | Flocked adhesive article |
US20070148397A1 (en) * | 2005-12-07 | 2007-06-28 | High Voltage Graphics, Inc. | Flocked multi-colored adhesive article with bright lustered flock |
US8475905B2 (en) | 2007-02-14 | 2013-07-02 | High Voltage Graphics, Inc | Sublimation dye printed textile |
CA2761122C (fr) | 2011-07-27 | 2021-08-03 | Bauer Hockey Corp. | Casque de sport |
US20130288018A1 (en) * | 2012-04-30 | 2013-10-31 | Patrick W. Moller | System and method for printing on plastic and forming the printed plastic |
CN104837645A (zh) | 2012-10-12 | 2015-08-12 | 高压制图公司 | 柔性可热封装饰性制品及其制造方法 |
US9403394B2 (en) | 2013-07-25 | 2016-08-02 | The Hillman Group, Inc. | Modular sublimation transfer printing apparatus |
US9731534B2 (en) | 2013-07-25 | 2017-08-15 | The Hillman Group, Inc. | Automated simultaneous multiple article sublimation printing process and apparatus |
US10011120B2 (en) | 2013-07-25 | 2018-07-03 | The Hillman Group, Inc. | Single heating platen double-sided sublimation printing process and apparatus |
US9120326B2 (en) | 2013-07-25 | 2015-09-01 | The Hillman Group, Inc. | Automatic sublimated product customization system and process |
US9333788B2 (en) | 2013-07-25 | 2016-05-10 | The Hillman Group, Inc. | Integrated sublimation transfer printing apparatus |
WO2015108404A1 (fr) * | 2014-01-16 | 2015-07-23 | Mizrahi Aksiote Mario Moiz | Procédé de fabrication d'éléments imprimés pour des façades d'architecturales et appareils de ligne blanche et produits obtenus |
MX2016010077A (es) | 2015-08-05 | 2017-03-10 | Hillman Group Inc | Aparato de impresion por sublimacion semi-automatizado. |
US10160244B1 (en) * | 2017-04-13 | 2018-12-25 | John Garrett Whitt | Method for dye-sublimation printing an orthotic substrate and orthotic product made thereby |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK286983A (da) * | 1982-06-21 | 1983-12-22 | Hlh Corp | Farvemoensterabsorption i plast |
EP0637268B1 (fr) | 1992-04-24 | 1996-07-17 | KILLAR, Erich | Procede d'enduction ou d'impression d'une feuille de matiere plastique avec des produits d'enduction hydrates, des produits d'enduction contenant des solvants ou des melanges de ces produits, des peintures ou des encres durcissant aux uv, ainsi qu'avec des pates de pvc |
DE69627901T2 (de) * | 1996-12-03 | 2004-03-11 | Inexa Panel A/S | Feuerfestes brett in schichtbauweise |
-
1998
- 1998-10-14 FR FR9812862A patent/FR2784618B1/fr not_active Expired - Fee Related
-
1999
- 1999-09-30 PT PT99402398T patent/PT993963E/pt unknown
- 1999-09-30 AT AT99402398T patent/ATE235377T1/de not_active IP Right Cessation
- 1999-09-30 EP EP99402398A patent/EP0993963B1/fr not_active Expired - Lifetime
- 1999-09-30 DE DE69906212T patent/DE69906212T2/de not_active Expired - Lifetime
- 1999-09-30 ES ES99402398T patent/ES2194424T3/es not_active Expired - Lifetime
- 1999-10-14 US US09/418,987 patent/US6249297B1/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020107367A1 (fr) * | 2018-11-30 | 2020-06-04 | 华衫环保纺织股份有限公司 | Machine d'impression par transfert de fil de chaîne |
Also Published As
Publication number | Publication date |
---|---|
FR2784618A1 (fr) | 2000-04-21 |
ATE235377T1 (de) | 2003-04-15 |
PT993963E (pt) | 2003-06-30 |
US6249297B1 (en) | 2001-06-19 |
EP0993963A1 (fr) | 2000-04-19 |
ES2194424T3 (es) | 2003-11-16 |
DE69906212T2 (de) | 2004-02-05 |
DE69906212D1 (de) | 2003-04-30 |
FR2784618B1 (fr) | 2000-11-24 |
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