WO2019053307A1 - Photopolymère solide auto-adhésif pour impression flexographique - Google Patents

Photopolymère solide auto-adhésif pour impression flexographique Download PDF

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Publication number
WO2019053307A1
WO2019053307A1 PCT/ES2018/070378 ES2018070378W WO2019053307A1 WO 2019053307 A1 WO2019053307 A1 WO 2019053307A1 ES 2018070378 W ES2018070378 W ES 2018070378W WO 2019053307 A1 WO2019053307 A1 WO 2019053307A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive
photopolymer
polyester
self
solid
Prior art date
Application number
PCT/ES2018/070378
Other languages
English (en)
Spanish (es)
Inventor
Juan ALMORÍN NAVARRETE
Original Assignee
Beca Grafic, S.A.
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 Beca Grafic, S.A. filed Critical Beca Grafic, S.A.
Publication of WO2019053307A1 publication Critical patent/WO2019053307A1/fr

Links

Classifications

    • 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
    • B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
    • B41N6/02—Chemical means for fastening printing formes on mounting boards
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
    • G03F7/092—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers characterised by backside coating or layers, by lubricating-slip layers or means, by oxygen barrier layers or by stripping-release layers or means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
    • G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers

Definitions

  • the present invention belongs to the technical field of flexography, and more specifically to a solid self-adhesive photopolymer for flexographic printing.
  • Flexography is a printing system, currently one of the most important in the packaging and packaging industry, it is usually used for flexible packaging such as plastics, corrugated cardboard, etc. It is possible to obtain a high quality in complex processes and colorimetry, getting to be equated with the quality of offset or gravure.
  • This printing system consists of a flexible plate engraved in relief, cliché (usually of photopolymer), this cliché transfers the ink from its surface to another support (corrugated cardboard or plastic materials) by contact. Generating the effect achieved as when a printing stamp after putting it in the inkwell we step on a paper.
  • the solid photopolymer is digitized or insoles the image according to digital or analogue and is introduced in an engraving processor that uses solvent or water to record and form the images, now being called cliché. Once the cliché has settled, a final exposure called post-exposure is given based on UVA and germicidal lamps and the cliché manufacturing process is finished.
  • the cliché is stuck on a printing plate roller of a printer or on a shirt to be placed on the flexographic printer or also on a mounting polyester, which, in turn, once the different colors of the cliché, will be placed on the printing plate roller of the printer.
  • the present invention solves the problems existing in the state of the art by means of a solid self-adhesive photopolymer for flexographic printing.
  • the solid photopolymer comprises a top layer of an emulsion protector that allows the photopolymer to not degrade and therefore lose its properties.
  • a polyester layer is provided comprising a lamination of adhesive glue intended for fixing printing plates on a printing cylinder, shirts or assembly polyester.
  • the innovation of this invention resides in that in the manufacture of the solid photopolymer, in its different thicknesses and formats, the base polyester is replaced by a polyester with a film of adhesive glue and a protector thereof.
  • This polyester layer is composed of a polyester which has previously been laminated automatically with a laminator adhesive adhesive film and at the same time in the same laminator is placed a polyester protector, thus obtaining a self-adhesive solid photopolymer.
  • adhesive adhesive lamination has a removable protective layer before use.
  • the self-adhesive solid photopolymer provides greater flexibility to the cliche because in the polyester base only has a lamination of adhesive glue, compared to the multiple layers and support presented by the double-sided adhesives.
  • the invention disclosed herein resolves the disadvantages of the use of double-sided adhesive, since it does not leave problematic residues after peeling and the liner is completely clean so that the new cliché can be glued.
  • the flexographic system it is printed on a rotary machine and it is therefore essential that the cliché be as flexible as possible so that it adapts to the cliché cylinder with greater ease and less tension.
  • Another advantage of having the self-adhesive solid photopolymer is the savings, since it is not necessary to buy additional adhesives, thanks to the fact that the solid self-adhesive photopolymer is manufactured with the built-in adhesive lamination.
  • the self-adhesive solid photopolymer has advantages in time, quality and cost savings.
  • Figure 1 is a section of the plate in which the different layers that constitute it can be distinguished.
  • the object of the present invention is a self-adhesive solid photopolymer for flexographic printing.
  • the solid photopolymer (1) is composed of an upper layer of an emulsion protector (2).
  • a layer of polyester base (3) together with a lamination of adhesive glue (4) and a removable protector thereof (5), which are obtained previously and adhere to the solid photopolymer.
  • the solid self-adhesive photopolymer is mounted on the corresponding cliché holder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne une plaque d'impression auto-adhésive multicouches, avec une couche de photopolymère solide. L'invention concerne plus particulièrement une structure multicouches avec une couche de photopolymère solide (1), qui comprend une couche supérieure fabriquée à partir d'une pellicule de polyester qui protège l'émulsion (2) et une couche inférieure de polyester (3) qui comprend un laminage de colle adhésive (4) destiné à fixer les plaques d'impression sur un cylindre d'impression ou un cliché.
PCT/ES2018/070378 2017-09-15 2018-05-25 Photopolymère solide auto-adhésif pour impression flexographique WO2019053307A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESU201731073 2017-09-15
ES201731073U ES1192783Y (es) 2017-09-15 2017-09-15 Fotopolimero solido autoadhesivo para impresion flexografica

Publications (1)

Publication Number Publication Date
WO2019053307A1 true WO2019053307A1 (fr) 2019-03-21

Family

ID=59974036

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2018/070378 WO2019053307A1 (fr) 2017-09-15 2018-05-25 Photopolymère solide auto-adhésif pour impression flexographique

Country Status (4)

Country Link
DE (1) DE202018104704U1 (fr)
ES (1) ES1192783Y (fr)
FR (1) FR3070981B3 (fr)
WO (1) WO2019053307A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634695A1 (fr) * 1993-06-25 1995-01-18 PT Sub, Inc. Plaque d'impression imagée au laser
US5753414A (en) * 1995-10-02 1998-05-19 Macdermid Imaging Technology, Inc. Photopolymer plate having a peelable substrate
US20100043969A1 (en) * 2003-01-29 2010-02-25 Tesa Se Method for mounting printing plates to printing cylinders or sleeves with adhesive tape

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634695A1 (fr) * 1993-06-25 1995-01-18 PT Sub, Inc. Plaque d'impression imagée au laser
US5753414A (en) * 1995-10-02 1998-05-19 Macdermid Imaging Technology, Inc. Photopolymer plate having a peelable substrate
US20100043969A1 (en) * 2003-01-29 2010-02-25 Tesa Se Method for mounting printing plates to printing cylinders or sleeves with adhesive tape

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
- DUPONT DE NEMOURS (DEUTSCHLAND) GMBH: "Cyrel - Flexographic Printing Plates", 20 July 2006 (2006-07-20), XP055517528, Retrieved from the Internet <URL:http://www.monochrom.gr/UserFiles/Cyrelmanual_e.pdf> [retrieved on 20181022] *
ADHESO GRAPHICS: "Flex Series(TM) Cushion-Plate Mounting Tapes", 19 June 2012 (2012-06-19), XP055517358, Retrieved from the Internet <URL:http://www.adheso-graphics.com/wp-content/uploads/AdhesoBrochure.pdf> [retrieved on 20181019] *

Also Published As

Publication number Publication date
ES1192783Y (es) 2018-01-04
FR3070981B3 (fr) 2019-11-22
FR3070981A3 (fr) 2019-03-15
ES1192783U (es) 2017-10-06
DE202018104704U1 (de) 2018-09-06

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