EP0076905A2 - Procédé d'impression à plat - Google Patents

Procédé d'impression à plat Download PDF

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Publication number
EP0076905A2
EP0076905A2 EP82107281A EP82107281A EP0076905A2 EP 0076905 A2 EP0076905 A2 EP 0076905A2 EP 82107281 A EP82107281 A EP 82107281A EP 82107281 A EP82107281 A EP 82107281A EP 0076905 A2 EP0076905 A2 EP 0076905A2
Authority
EP
European Patent Office
Prior art keywords
printing
inks
roller
plate cylinder
ink
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
EP82107281A
Other languages
German (de)
English (en)
Other versions
EP0076905B1 (fr
EP0076905B2 (fr
EP0076905A3 (en
Inventor
Rolf Dr. Kübler
Volker Dr. Schabacker
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.)
BASF Farben und Fasern AG
Original Assignee
BASF Farben und Fasern AG
BASF Lacke und Farben AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25796643&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0076905(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19813140360 external-priority patent/DE3140360C1/de
Priority claimed from DE19823223353 external-priority patent/DE3223353A1/de
Application filed by BASF Farben und Fasern AG, BASF Lacke und Farben AG filed Critical BASF Farben und Fasern AG
Priority to AT82107281T priority Critical patent/ATE27574T1/de
Publication of EP0076905A2 publication Critical patent/EP0076905A2/fr
Publication of EP0076905A3 publication Critical patent/EP0076905A3/de
Publication of EP0076905B1 publication Critical patent/EP0076905B1/fr
Application granted granted Critical
Publication of EP0076905B2 publication Critical patent/EP0076905B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/06—Lithographic printing
    • B41M1/08—Dry printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/06—Lithographic printing

Definitions

  • the invention generally relates to printed products which have been obtained by the planographic printing process by transferring printing inks to a printing material by means of a lithographic printing plate, and to a process for their production.
  • offset printing A well-known printing process is offset printing.
  • offset printing has gained considerable economic importance.
  • offset printing the incompatibility of water and oil is used to divide a homogeneous oil-based ink film on a printing plate into the corresponding information fields.
  • the offset printing plates have the properties of being water-friendly in the non-information-carrying areas and being oil-friendly in the information-carrying areas.
  • the plate In the course of the printing process, the plate is completely wetted with a water film (wash water), then it is colored with the oil-based printing ink.
  • the hydrophilic areas wetted by water cannot be wetted by the hydrophobic oil paint. This creates a colored one on the printing plate Print image, which is transferred to the substrate via a roller mechanism.
  • the highly viscous printing inks used in offset printing require repeated rolling out in order to achieve an absolutely uniform ink film across the entire width of the printing press.
  • Inking units of offset printing presses have up to 30 rollers, between which the pasty printing inks are rolled out. Because of this long and intensive rolling, it is not possible to use low-boiling solvents, as is customary in gravure printing, but only high-boiling solvents, since otherwise the printing ink dries on the inking rollers and the ink flow would be disturbed.
  • aqueous printing inks can be used if the corresponding printing plates are produced in such a way that the printing surfaces are hydrophilic and the non-printing surfaces are hydrophobic.
  • Aqueous printing inks are known per se. So far, however, they have only been used in gravure and flexographic printing. Despite the long-known disadvantages of greasy printing inks, it has so far not become known to use aqueous printing inks in a planographic printing process. It was surprising that good results can be obtained without using grease and water rejection when using aqueous inks.
  • the invention therefore relates to printed products which have been obtained by the planographic printing process by transferring printing inks to a printing material by means of a lithographic printing plate, characterized in that printing inks which predominantly contain water as solvents and / or dispersing agents and printing plates whose information-carrying, i.e. printing areas are hydrophilic and the non-printing areas are hydrophobic.
  • the invention also relates to a planographic printing process in which printing inks are transferred to a printing material by means of a lithographic printing plate.
  • the process according to the invention is characterized in that printing inks, which predominantly contain water as a solvent and / or dispersing agent, and printing plates, the information-carrying, i.e. printing surfaces are hydrophilic and the non-printing surfaces are hydrophobic.
  • the printing inks to be used according to the invention contain color pigments and / or soluble dyes, binders which fix the pigments on the printing material surface, other auxiliaries such as waxes, defoamers, disinfectants and thickeners which are used by other fields of activity, for example aqueous printing inks for gravure or flexographic printing or are known from the field of aqueous lacquers and paints. Both dispersions and water-soluble binders can be used as binders.
  • the printing inks mainly contain water as a solvent and / or dispersant. In addition to water, they can contain a minor amount of organic solvents that are completely or partially miscible with water. Small quantities of petroleum fractions can only be used as aids. It should be noted here that the printing ink retains its watery character.
  • Printing inks which correspond to the aqueous printing inks of gravure or flexographic printing but which have a higher viscosity than these can advantageously be used.
  • auxiliaries for improving the lubricity.
  • partial fluorination of the auxiliaries improves the abrasion resistance.
  • Inorganic or organic substances in particular soluble or swellable substances, are used as thickeners.
  • alginates starch
  • cellulose and their derivatives e.g. Cellulose ester or cellulose ether.
  • Mineral bodies which swell with polar solvents, act in the same way.
  • coloring components for example organic and inorganic color pigments, preferably directly from water pastes, and dyes soluble in water or in solvents are suitable for coloring. These products are known from other areas of printing and painting technology.
  • the printing inks to be used according to the invention are produced by known processes. So you can e.g. incorporate pigments, pigment preparations or predispersed pigments into the aqueous binder solution or mixture with stirrers and dispersers.
  • printing plates are advantageously used whose non-printing surfaces are coated with silicone rubber and whose information-bearing surfaces are metal surfaces or hydrophilic plastic surfaces.
  • printing plates such as are used for so-called waterless offset printing are suitable.
  • additives containing silicone groups are useful. These can be dispersed silicone oils or water-soluble silicone derivatives.
  • the transfer of the printing inks from the inking unit of the printing press to the substrate can be done directly or via an intermediate carrier.
  • a blanket cylinder known from offset printing can serve as the intermediate carrier.
  • an offset printing machine known per se can advantageously be used, the dampening system of which has been removed or deactivated. If necessary, the inking unit of the printing press is reduced, ie all the rollers that are not necessary for inking are removed. This counteracts the faster evaporation of water compared to high-boiling mineral oils. It is also possible to encapsulate the inking unit for this purpose.
  • the printing inks are transferred to a printing plate cylinder and from there via a rubber blanket cylinder to the printing material via an anilox roller, which has a doctor blade, via an ink transfer roller arranged downstream of the anilox roller.
  • the anilox roller advantageously works as an immersion roller, i.e. it protrudes into an ink tray.
  • ink transfer rollers instead of a single ink transfer roller, two or more ink transfer rollers working in parallel can also be used. It is essential, however, that the ink transfer rollers each work directly with the anilox roller and with the printing plate cylinder and not several rollers are connected in series.
  • the anilox roller works as an immersion roller, i. H. it protrudes into the ink supply.
  • the printing inks can of course also be applied to the doctor roller in another known manner, for example by brushing.
  • the disadvantages of the mechanical sensitivity of a rubber film forming a color film are avoided by using a rastered metal roller. It is also more resistant to bending and can be scraped off precisely by using grid bars produced by etching or engraving as support elements.
  • the uniform ink-absorbing depressions over the entire width of the anilox roller ensure a uniform color, regardless of the different ink consumption at different locations on the print motif. This also complies with the standardization in offset printing. With the previous inking units, the coloring cannot be kept constant during the printing process.
  • the inking unit heats up due to internal friction and through many splitting processes of the inks, which causes the inks to become less viscous during the print run. This changes the ink transfer and the ink layer thickness in the print image. Waste can only be avoided by carefully regulating the color scheme by the printer.
  • the printing plate cylinder and the ink transfer roller advantageously have the same through knife on. It is particularly advantageous if the anilox roller and the blanket cylinder also have the same diameter as the printing plate cylinder and the ink transfer roller.
  • the invention also relates to the use of predominantly aqueous printing inks in a planographic printing process and printing inks for carrying out the process, which are characterized in that they contain inorganic and / or organic pigments, binders and, as a solvent and / or dispersant, essentially water and a viscosity of 10 to 250 Pa s, advantageously from 20 to 50 Pa s, measured at 23 C by means of a plate and cone viscometer of the Ferranti-Shirley type.
  • the printing inks according to the invention advantageously contain silicone oil and / or water-soluble silicone derivatives.
  • the invention also relates to a planographic printing press for performing the method with an inking unit, a lithographic printing plate cylinder and a blanket cylinder, which is characterized in that the information-carrying, ie. H. printing surfaces are hydrophobic and the inking unit has an anilox roller, which rests on a doctor blade, and an ink transfer roller arranged between the anilox roller and the printing plate cylinder.
  • information-carrying ie. H. printing surfaces are hydrophobic
  • the inking unit has an anilox roller, which rests on a doctor blade, and an ink transfer roller arranged between the anilox roller and the printing plate cylinder.
  • the anilox roller of the dipping roller advantageously projects into an ink tray.
  • the printing plate cylinder and the ink transfer roller advantageously have the same diameter.
  • the anilox roller and the blanket cylinder have the same diameter as the printing plate cylinder and the ink transfer roller.
  • the non-printing surfaces of the printing plate cylinder are advantageously coated with silicone rubber and the information-bearing, ie. H. printing surfaces are metal surfaces or hydrophilic plastic surfaces.
  • a major advantage of the invention is the reduction in stenciling due to the short inking unit and the continuous renewal of the ink film by the anilox roller.
  • the temperature in the web offset heatset drying ovens can be significantly reduced, depending on the machine speed, substrate and ink layer thickness. This enables considerable energy savings.
  • the papers dry out less and therefore remain dimensionally stable. H. they do not absorb any water from the environment after drying and no longer "grow" after processing or storage. Under favorable conditions, these inks can even be dried in web offset with IR emitters. These limit cases depend on paper, printing speed and ink layer thickness. In contrast to non-polar conventional oil-based offset inks, the water-based inks also respond to high-frequency dryers.
  • the invention is explained in more detail below on the basis of exemplary embodiments.
  • the figure shows a section through a planographic printing machine.
  • the planographic printing machine has an inking unit (13), a printing plate cylinder (3), a blanket cylinder (11) and an impression cylinder (9).
  • the printing substrate (10) runs between the blanket cylinder (11) and the impression cylinder (9).
  • the inking unit (13) consists of an anilox roller (1) which bears a doctor blade (2) and an ink transfer roller (4) which is arranged between the anilox roller (1) and the printing plate cylinder (3).
  • the anilox roller (1) protrudes into the ink tray (8). As the figure shows, all rollers or cylinders have the same diameter.
  • an aqueous emulsion of an alkali-soluble acrylate polymer having a solids content of 40% by weight 20 parts by weight of propylene glycol, 4 parts by weight of triethanolamine, 4 parts by weight of a 35% strength methyl silicone oil emulsion, 4 parts by weight .
  • Parts of mineral oil with a boiling range of 190 - 250 ° C and 8 parts by weight of starch ether mixed together.
  • 20 parts by weight of an aqueous pigment dough containing 45% by weight of copper phthalocyanine pigment were added to this mixture. The mass was dispersed on a three-roller to form a homogeneous printing ink.
  • An offset printing machine according to the figure was used as the printing machine.
  • a commercially available silicone-coated printing plate was used as the printing plate.

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  • Printing Methods (AREA)
  • Coloring (AREA)
EP82107281A 1981-10-10 1982-08-11 Procédé d'impression à plat Expired - Lifetime EP0076905B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82107281T ATE27574T1 (de) 1981-10-10 1982-08-11 Flachdruckverfahren.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3140360 1981-10-10
DE19813140360 DE3140360C1 (de) 1981-10-10 1981-10-10 Flachdruckverfahren und Druckfarben hierfür
DE19823223353 DE3223353A1 (de) 1982-06-23 1982-06-23 Flachdruckverfahren und flachdruckmaschine zur durchfuehrung des verfahrens
DE3223353 1982-06-23

Publications (4)

Publication Number Publication Date
EP0076905A2 true EP0076905A2 (fr) 1983-04-20
EP0076905A3 EP0076905A3 (en) 1984-02-22
EP0076905B1 EP0076905B1 (fr) 1987-06-03
EP0076905B2 EP0076905B2 (fr) 1991-05-02

Family

ID=25796643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82107281A Expired - Lifetime EP0076905B2 (fr) 1981-10-10 1982-08-11 Procédé d'impression à plat

Country Status (8)

Country Link
US (1) US4903599A (fr)
EP (1) EP0076905B2 (fr)
BR (1) BR8205928A (fr)
CA (1) CA1198015A (fr)
DD (1) DD204230A5 (fr)
DE (1) DE3276471D1 (fr)
DK (1) DK157439C (fr)
ES (2) ES8404918A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077894A2 (fr) * 1981-10-22 1983-05-04 BASF Lacke + Farben AG Procédé d'impression planographique et machine d'impression planographique pour ce procédé
FR2580228A1 (fr) * 1985-04-12 1986-10-17 Ecamo Machine de thermogravure pour impression en relief
EP0247337A2 (fr) * 1986-05-30 1987-12-02 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Méthode pour le prétraitement d'une bande support pour l'impression
EP0294044A1 (fr) * 1987-06-02 1988-12-07 Dow Corning Corporation Procédé d'impression sur substrat en matière plastique à l'aide d'encre aqueuse
EP0562983A1 (fr) * 1992-03-26 1993-09-29 Pechiney Emballage Alimentaire Procédé d'impression offset et dispositif correspondant
EP0697290A1 (fr) * 1994-08-16 1996-02-21 DeMoore, Howard W. Presse offset à plusieurs couleurs utilisant d'encre aqueuse et plaques d'impression à sec avec stations intermédiaires de séchage et d'extraction
DE10065481A1 (de) * 1999-12-28 2001-09-20 Hitachi Ltd Druckplatte und Druckmaschine, in der die Druckplatte verwendet ist

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EP0652104B1 (fr) * 1993-11-05 2002-04-10 MAN Roland Druckmaschinen AG Unité d'impression pour impression offset sans eau de mouillage
DE4401362C2 (de) * 1994-01-18 1997-12-11 Roland Man Druckmasch Verfahren und Rotationsdruckmaschine für indirekten Tiefdruck
JP2846124B2 (ja) * 1994-07-14 1999-01-13 ケーニツヒ ウント バウエル−アルバート アクチエンゲゼルシヤフト 乾式平版による直刷輪転印刷機の、短経路型インキ装置を備えた印刷装置
FR2737438A1 (fr) * 1995-08-01 1997-02-07 Komori Chambon Appareil d'impression rotatif, notamment du type flexographique
US5778789A (en) * 1996-03-13 1998-07-14 Sun Chemical Offset lithographic printing process with a water based ink
DE19732497B4 (de) * 1997-07-29 2005-08-11 Man Roland Druckmaschinen Ag Kurzfarbwerk in einem Druckwerk einer Rotationsdruckmaschine
DE10023935B4 (de) * 2000-05-17 2004-10-28 Koenig & Bauer Ag Kurzfarbwerk einer Rotationsdruckmaschine
KR20020037021A (ko) * 2000-05-18 2002-05-17 추후보정 인쇄물과 그 용도 및 제조 방법
DE10121827B4 (de) * 2001-05-04 2005-12-22 Man Roland Druckmaschinen Ag Druckwerk mit reversibler Bebilderung und digitaler Umrüstung
DE50207959D1 (de) * 2001-11-22 2006-10-05 Koenig & Bauer Ag Verwendung einer Druckfarbe in einem Druckwerk
US6709503B1 (en) 2002-12-19 2004-03-23 Sun Chemical Corporation Waterbased heatset offset ink compositions
US20090061177A1 (en) * 2007-08-30 2009-03-05 Kriha James A Method of printing using high performance two-component reactive inks and coatings with flexographic printing processes
US8936354B2 (en) * 2012-03-28 2015-01-20 Eastman Kodak Company Digital drop patterning device and method
US8936353B2 (en) 2012-03-28 2015-01-20 Eastman Kodak Company Digital drop patterning device and method
BR102012016393A2 (pt) 2012-07-02 2015-04-07 Rexam Beverage Can South America S A Dispositivo de impressão em latas, processo de impressão em latas, lata impressa e blanqueta
US20150290923A1 (en) * 2012-07-10 2015-10-15 Amcor Limited Apparatus and process
US9555616B2 (en) 2013-06-11 2017-01-31 Ball Corporation Variable printing process using soft secondary plates and specialty inks
CN105377566B (zh) 2013-06-11 2018-08-10 鲍尔公司 使用软质光聚合物板的印刷工艺
US10086602B2 (en) 2014-11-10 2018-10-02 Rexam Beverage Can South America Method and apparatus for printing metallic beverage container bodies
PL3028856T3 (pl) 2014-12-04 2019-10-31 Ball Beverage Packaging Europe Ltd Urządzenie drukujące
US10549921B2 (en) 2016-05-19 2020-02-04 Rexam Beverage Can Company Beverage container body decorator inspection apparatus
AU2017300535B2 (en) 2016-07-20 2020-06-11 Ball Corporation System and method for aligning an inker of a decorator
US11034145B2 (en) 2016-07-20 2021-06-15 Ball Corporation System and method for monitoring and adjusting a decorator for containers
US10754277B2 (en) 2016-08-10 2020-08-25 Ball Corporation Method and apparatus of decorating a metallic container by digital printing to a transfer blanket
US10739705B2 (en) 2016-08-10 2020-08-11 Ball Corporation Method and apparatus of decorating a metallic container by digital printing to a transfer blanket
CN113272143A (zh) 2019-01-11 2021-08-17 鲍尔公司 闭环反馈打印系统

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* Cited by examiner, † Cited by third party
Title
WORLD SURFACE COATINGS ABSTRACTS, Band 44, Nr. 351, September 1971, Seite 964, Nr. 2, Teddington, GB, J.L. CURTIN : 'Driography: major advance in litho heralds end to dampening' & CAN. PRINTER & PUBL. 1970, 79, Nr. 12,48-50 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077894A2 (fr) * 1981-10-22 1983-05-04 BASF Lacke + Farben AG Procédé d'impression planographique et machine d'impression planographique pour ce procédé
EP0077894A3 (fr) * 1981-10-22 1984-02-22 BASF Lacke + Farben AG Procédé d'impression planographique et machine d'impression planographique pour ce procédé
FR2580228A1 (fr) * 1985-04-12 1986-10-17 Ecamo Machine de thermogravure pour impression en relief
EP0200580A1 (fr) * 1985-04-12 1986-11-05 Societe Ecamo Machine de thermogravure pour impression en relief
EP0247337A2 (fr) * 1986-05-30 1987-12-02 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Méthode pour le prétraitement d'une bande support pour l'impression
EP0247337A3 (fr) * 1986-05-30 1989-03-29 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Méthode pour le prétraitement d'une bande support pour l'impression
EP0294044A1 (fr) * 1987-06-02 1988-12-07 Dow Corning Corporation Procédé d'impression sur substrat en matière plastique à l'aide d'encre aqueuse
EP0562983A1 (fr) * 1992-03-26 1993-09-29 Pechiney Emballage Alimentaire Procédé d'impression offset et dispositif correspondant
FR2689060A1 (fr) * 1992-03-26 1993-10-01 Pechiney Emballage Alimentaire Procédé d'impression offset et dispositif correspondant.
EP0697290A1 (fr) * 1994-08-16 1996-02-21 DeMoore, Howard W. Presse offset à plusieurs couleurs utilisant d'encre aqueuse et plaques d'impression à sec avec stations intermédiaires de séchage et d'extraction
DE10065481A1 (de) * 1999-12-28 2001-09-20 Hitachi Ltd Druckplatte und Druckmaschine, in der die Druckplatte verwendet ist
DE10065481B4 (de) * 1999-12-28 2006-09-07 Ricoh Printing Systems, Ltd. Druckverfahren, Druckplatte und Druckmaschine, in der die Druckplatte verwendet ist

Also Published As

Publication number Publication date
DK157439C (da) 1990-05-28
DE3276471D1 (en) 1987-07-09
ES516396A0 (es) 1984-05-16
EP0076905B1 (fr) 1987-06-03
BR8205928A (pt) 1983-09-13
CA1198015A (fr) 1985-12-17
EP0076905B2 (fr) 1991-05-02
US4903599A (en) 1990-02-27
ES8404918A1 (es) 1984-05-16
EP0076905A3 (en) 1984-02-22
ES524659A0 (es) 1984-10-01
DK157439B (da) 1990-01-08
DD204230A5 (de) 1983-11-23
DK445882A (da) 1983-04-11
ES8500135A1 (es) 1984-10-01

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