EP0066176B1 - Solutions de mouillage pour impression lithographique offset - Google Patents
Solutions de mouillage pour impression lithographique offset Download PDFInfo
- Publication number
- EP0066176B1 EP0066176B1 EP82104326A EP82104326A EP0066176B1 EP 0066176 B1 EP0066176 B1 EP 0066176B1 EP 82104326 A EP82104326 A EP 82104326A EP 82104326 A EP82104326 A EP 82104326A EP 0066176 B1 EP0066176 B1 EP 0066176B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glycol
- water
- ounce
- fountain solution
- solution
- 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
Links
- 238000007645 offset printing Methods 0.000 title claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 20
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229920005862 polyol Polymers 0.000 claims abstract description 11
- 150000003077 polyols Chemical class 0.000 claims abstract description 11
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 36
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 28
- RWLALWYNXFYRGW-UHFFFAOYSA-N 2-Ethyl-1,3-hexanediol Chemical compound CCCC(O)C(CC)CO RWLALWYNXFYRGW-UHFFFAOYSA-N 0.000 claims description 18
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 12
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 6
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 claims description 3
- 229940051250 hexylene glycol Drugs 0.000 claims description 3
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 claims description 2
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 claims description 2
- UWHCKJMYHZGTIT-UHFFFAOYSA-N Tetraethylene glycol, Natural products OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 claims description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 46
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 31
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 14
- 239000000976 ink Substances 0.000 description 12
- 238000009472 formulation Methods 0.000 description 9
- 229920000084 Gum arabic Polymers 0.000 description 7
- 241000978776 Senegalia senegal Species 0.000 description 7
- 239000000205 acacia gum Substances 0.000 description 7
- 235000010489 acacia gum Nutrition 0.000 description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 7
- -1 glycol ethers Chemical class 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- SZCWBURCISJFEZ-UHFFFAOYSA-N (3-hydroxy-2,2-dimethylpropyl) 3-hydroxy-2,2-dimethylpropanoate Chemical compound OCC(C)(C)COC(=O)C(C)(C)CO SZCWBURCISJFEZ-UHFFFAOYSA-N 0.000 description 1
- GZMAAYIALGURDQ-UHFFFAOYSA-N 2-(2-hexoxyethoxy)ethanol Chemical compound CCCCCCOCCOCCO GZMAAYIALGURDQ-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- UPGSWASWQBLSKZ-UHFFFAOYSA-N 2-hexoxyethanol Chemical compound CCCCCCOCCO UPGSWASWQBLSKZ-UHFFFAOYSA-N 0.000 description 1
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- ABBQHOQBGMUPJH-UHFFFAOYSA-M Sodium salicylate Chemical compound [Na+].OC1=CC=CC=C1C([O-])=O ABBQHOQBGMUPJH-UHFFFAOYSA-M 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000006172 buffering agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000000424 optical density measurement Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229960004025 sodium salicylate Drugs 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
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
- B41N3/00—Preparing for use and conserving printing surfaces
- B41N3/08—Damping; Neutralising or similar differentiation treatments for lithographic printing formes; Gumming or finishing solutions, fountain solutions, correction or deletion fluids, or on-press development
Definitions
- This invention is directed to an improved fountain solution suitable for use in a lithographic offset printing press, which solution contains a mixture of a polyol and/or glycol ether partially soluble in water and a polyol and/or glycol ether completely soluble in water.
- Lithographic printing operations require the use of a dampening or fountain solution to achieve proper operation of the press so that good quality prints are obtained.
- the fountain solution is generally a blend or mixture of water, acids, salts, solvents, and naturally occurring polymeric materials, such as gum arabic, and/or a variety of synthetic polymers.
- the purpose of the fountain solution is to wet the non-image areas of a printing plate and thus prevent ink from depositing in these non-image areas. Should the ink deposit in the non-image area, a poor quality print results.
- alcohols, especially isopropanol were used in fountain solutions up to 30 percent volume concentration levels to achieve best performance in operation of the press with attendant high quality prints.
- the basis for using isopropyl alcohol resides partly in its ability to transport the fountain solution to the printing plate by means of the inked rollers in the press or through its own roller train.
- U.S. Patent 3,877,372 describes an attempt to eliminate isopropanol from the fountain solution and use a mixture of butyl cellosolve, a silicone glycol copolymer, and a defoamer.
- a commerically available fountain solution utilizes 2-ethyl-1,3-hexanediol as a replacement for isopropyl alcohol to provide an isopropyl alcohol free fountain solution.
- the use of 2-ethyl-1,3-hexanediol eliminates the toxic and flammable properties associated with isopropyl alcohol containing fountain solutions.
- fountain solutions containing the 2-ethyl-1,3-hexanediol provide a high quality printed product on a lithographic press.
- Tinting is the deposition of minute ink droplets in the non-image area of the print resulting in the appearance of a light tint.
- Banding is the appearance of narrow dark streaks in the print.
- the fountain solution contains between about 0.5 and about 10 percent by volume of the mixture.
- the mixture of polyols and/or glycol ethers which is suitable for use in this invention includes a polyol and/or glycol ether which is partially soluble in water, such as 2-ethyl-1 ,3-hexanediol, Esterdiol-204, i.e., Hexyl Cellosolve, i.e., Hexyl Carbitol, i.e., and the like, and a polyol and/or glycol ether which is completely soluble in water, such as propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, hexylene glycol, triethylene glycol, tetraethylene glycol, tripropylene glycol and 1,5-pentanediol.
- a polyol and/or glycol ether which is partially soluble in water such as 2-ethyl-1 ,3-hexanediol, Esterdiol-204, i.e
- the fountain solutions are preferably used as aqueous acidic solutions.
- Phosphoric acid is a preferred acid for use in acidifying the formulation.
- Other acids which can be used include inorganic as well as organic acids, such as acetic acid, nitric acid, hydrochloric acid, and the like.
- a buffering agent, such as ammonium acetate can also be included.
- the fountain solution is generally maintained at a pH of from about 2 to about 5.
- the particular pH at which a given solution will be maintained will depend upon factors, such as the type of water-soluble polymer used, other ingredients in the solution as well as the type of substrate employed in the lithographic printing plate, and the like.
- additives which may be used in the fountain solution include preservatives such as phenol, sodium salicylate, and the like; corrosion inhibitors such as ammonium bichromate, magnesium nitrate, zinc nitrate, and the like; hardeners such as chromium alum, and the like; organic solvents such as cyclic ethers, e.g., 4-butyrolactone, and the like; low molecular weight aldehydes, such as formaldehyde, glutaraldehyde, and the like. These additives are generally used in amounts of from about 0.1 to about 10 percent by volume.
- the fountain solution was used on a 63.5 cm (25 inch) production size press with Dahlgren recirculating dampening system.
- the press was run with the damper set at speeds of 40, 50 and 60 running approximately 200 sheets of paper at each setting.
- the optical density of sheets was measured at each setting. These optical density measurements were made with an Optical Densitometer.
- a scum cycle test was performed. In this test the fountain solution feed was momentarily stopped to allow the plate to become completely coated with ink. Then the fountain solution feed was started and the number of revolutions of the plate before it was cleaned of excess ink was recorded. Further, visual observations were made of the print to determine the appearance of tinting and banding.
- the formulation yielded a 1 volume percent concentration of 2-ethyl-1,3-hexanediol and a 5 volume percent concentration of propylene glycol.
- fountain solutions were prepared using 2-ethyl-1,3-hexanediol and propylene glycol where the concentration of propylene glycol was varied.
- the formulation yielded a 2 volume percent concentration of propylene glycol.
- Example 5 was exactly repeated except that 147.4 g (5.2 ounces) of propylene glycol were used. The formulation yielded a 4 volume percent concentration of the glycol.
- Example 5 was exactly repeated except that 221.1 g (7.8 ounces) of propylene glycol were used. The formulation yielded a 6 volume percent concentration of the glycol.
- Example 5 was exactly repeated except that 294.8 (10.4 ounces) of propylene glycol were used. The formulation yielded an 8 volume percent concentration of the glycol.
- Example 5 was exactly repeated except that 368.5 g (13.0 ounces) of propylene glycol were used. The formulation yielded a 10 volume percent concentration of the glycol.
Landscapes
- Printing Plates And Materials Therefor (AREA)
- Printing Methods (AREA)
- Paper (AREA)
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82104326T ATE11117T1 (de) | 1981-05-18 | 1982-05-17 | Feuchtwasser fuer lithographische offsetdruckverfahren. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26407681A | 1981-05-18 | 1981-05-18 | |
US264076 | 1981-05-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0066176A1 EP0066176A1 (fr) | 1982-12-08 |
EP0066176B1 true EP0066176B1 (fr) | 1985-01-09 |
Family
ID=23004465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82104326A Expired EP0066176B1 (fr) | 1981-05-18 | 1982-05-17 | Solutions de mouillage pour impression lithographique offset |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0066176B1 (fr) |
JP (1) | JPS57199693A (fr) |
AT (1) | ATE11117T1 (fr) |
CA (1) | CA1174011A (fr) |
DE (1) | DE3261826D1 (fr) |
MX (1) | MX156658A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4113474A1 (de) * | 1991-04-25 | 1992-10-29 | Heidelberger Druckmasch Ag | Feuchtmittel zur verwendung im offset-druckverfahren |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1228204A (fr) * | 1982-03-29 | 1987-10-20 | Richard J. Burns | Solution d'encrage |
EP0249751A3 (fr) * | 1986-06-16 | 1988-03-23 | Hoechst Celanese Corporation | Solution de mouillage pour lithographie contenant un mélange de polyols |
JP2673586B2 (ja) * | 1989-08-02 | 1997-11-05 | 富士写真フイルム株式会社 | 平版印刷版用湿し水組成物,それに使用する濃縮液及びそれを使用する平版印刷方法 |
JPH0785947B2 (ja) * | 1989-08-05 | 1995-09-20 | 東洋インキ製造株式会社 | 平版印刷用湿し水 |
US5714302A (en) * | 1993-01-26 | 1998-02-03 | Mitsubishi Paper Mills Limited | Method of printing with using lithographic printing plate made by silver complex diffusion transfer process and using dampening composition containing nonionic surface active agent |
JP2001138656A (ja) * | 1999-11-10 | 2001-05-22 | Fuji Photo Film Co Ltd | 平版印刷用濃縮湿し水組成物 |
US6488754B2 (en) | 2000-11-29 | 2002-12-03 | Grain Processing Corporation | Lithographic dampening solution and method for dampening a lithographic plate |
JP2003170673A (ja) | 2001-09-28 | 2003-06-17 | Fuji Photo Film Co Ltd | 平版印刷版用湿し水組成物及び平版印刷方法 |
EP1688266A1 (fr) | 2005-02-03 | 2006-08-09 | Fuji Photo Film B.V. | Procédé et mélange de solvants pour améliorer le mouillage de plaques de l'impression lithographique |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5129441B2 (fr) * | 1971-10-08 | 1976-08-25 | ||
DE2337125A1 (de) * | 1973-07-20 | 1975-01-30 | Kodak Ag | Feuchtwasserkonzentrat fuer den offsetdruck |
US3877372A (en) * | 1973-12-03 | 1975-04-15 | Kenneth W Leeds | Treatment of a printing plate with a dampening liquid |
JPS5129441A (en) * | 1974-08-23 | 1976-03-12 | Nippon Synthetic Chem Ind | Guriokishirusanno seizohoho |
JPS54138703A (en) * | 1978-04-19 | 1979-10-27 | Dainippon Printing Co Ltd | Moistening composite substance for flat printing plate |
US4278467A (en) * | 1978-09-11 | 1981-07-14 | Graphic Arts Technical Foundation | Substitutive additives for isopropyl alcohol in fountain solution for lithographic offset printing |
-
1982
- 1982-05-10 CA CA000402616A patent/CA1174011A/fr not_active Expired
- 1982-05-17 EP EP82104326A patent/EP0066176B1/fr not_active Expired
- 1982-05-17 DE DE8282104326T patent/DE3261826D1/de not_active Expired
- 1982-05-17 AT AT82104326T patent/ATE11117T1/de not_active IP Right Cessation
- 1982-05-17 MX MX192724A patent/MX156658A/es unknown
- 1982-05-17 JP JP57081735A patent/JPS57199693A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4113474A1 (de) * | 1991-04-25 | 1992-10-29 | Heidelberger Druckmasch Ag | Feuchtmittel zur verwendung im offset-druckverfahren |
Also Published As
Publication number | Publication date |
---|---|
EP0066176A1 (fr) | 1982-12-08 |
JPH0446760B2 (fr) | 1992-07-30 |
CA1174011A (fr) | 1984-09-11 |
JPS57199693A (en) | 1982-12-07 |
DE3261826D1 (en) | 1985-02-21 |
ATE11117T1 (de) | 1985-01-15 |
MX156658A (es) | 1988-09-22 |
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