WO1997036964A1 - Encre de gravure au ciseau - Google Patents

Encre de gravure au ciseau Download PDF

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Publication number
WO1997036964A1
WO1997036964A1 PCT/CN1996/000021 CN9600021W WO9736964A1 WO 1997036964 A1 WO1997036964 A1 WO 1997036964A1 CN 9600021 W CN9600021 W CN 9600021W WO 9736964 A1 WO9736964 A1 WO 9736964A1
Authority
WO
WIPO (PCT)
Prior art keywords
resin
printing
engraving
weight
ink
Prior art date
Application number
PCT/CN1996/000021
Other languages
English (en)
Chinese (zh)
Inventor
Changfu Zhao
Sensen An
Jiashen Zhang
Original Assignee
China Banknote Printing & Minting Corporation
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 China Banknote Printing & Minting Corporation filed Critical China Banknote Printing & Minting Corporation
Priority to AU51411/96A priority Critical patent/AU5141196A/en
Priority to PCT/CN1996/000021 priority patent/WO1997036964A1/fr
Publication of WO1997036964A1 publication Critical patent/WO1997036964A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks

Definitions

  • the present invention relates to a printing ink, and more particularly, to a engraving gravure printing ink suitable for printing anti-counterfeit securities (pieces) such as banknotes, marketable securities, passports, and visas.
  • a printing ink and more particularly, to a engraving gravure printing ink suitable for printing anti-counterfeit securities (pieces) such as banknotes, marketable securities, passports, and visas.
  • Engraving Printing hereinafter referred to as the engraving IHJ seal
  • the engraving IHJ seal is specially used for anti-counterfeiting securities
  • the special printing process of printing is characterized in that the engraving technician manually sculpts portraits and landscape patterns on the steel plate, and the lace pattern is carved by the automatic engraving machine to make the original version.
  • the depth is usually about 10-2 0.
  • the S roller transfers the ink to the plate roller.
  • the plate surface including the depressed pattern area
  • the plate erasing roller with certain hardness and elastic requirements.
  • the oil in the pattern area flat surface
  • the oil in the pattern area is wiped off, leaving the ink in the pattern area (recessed area); the S that is wiped off accounts for about 80-9 0 of the ink volume, and the platen roller is washed in the cleaning tank.
  • the printed matter printed by this printing process has clear lines, high-level and three-dimensional strong, and there is obvious “hand confusion” in the hand-printed pattern area.
  • the maximum raised height of the pattern is often close to the depth of the pattern.
  • These "unique effects” cannot be obtained by any other printing methods.
  • their production costs are extremely high.
  • the effective utilization rate of ink is usually only about one-tenth. Ordinary printed materials cannot afford such high consumption. It is used to print banknotes, Treasury bills, public money coupons, P-tickets and other valuable securities and certain documents with special requirements for counterfeiting, such as passports and visas.
  • the printing process is different from gravure printing, offset printing, screen printing, and embossing. Therefore, the performance of the ink used is completely different from other printing inks, and the printing machine is completely different. From the perspective of technological development, ⁇ printing presses are developing toward high speed and automation, while the development trends of engraving KJ printing inks are:
  • the speed of the gravure printing machine currently used in the world is 5,000 sheets per hour to 10, 0 0 0 frames / hour.
  • the printing presses have different speeds, different ink formulas and structures, and the resin oils used as the main bonding agent and the solvents and waxes used as auxiliary solvents are also different.
  • the range of choice of ink raw materials is constantly expanding, and the increasingly strict environmental protection regulations have put more and more stringent requirements on the selection of raw materials.
  • the speed of the printing press increases, and the "bump" peculiar to the ⁇ -print is worsened, and the physical and chemical resistance of the ink also tends to deteriorate.
  • composition of traditional engraving KJ printing ink formula is as follows:
  • Desiccant 1 to 3;
  • the resin oil generally includes 4-5 components, such as a polymerized vegetable oil, a modified isophthalic acid resin, a modified phthalic acid resin, a vegetable oil, and / or various kinds of modified Resin oil, such as phenol, monoanthrene, alkylpyrene, modified ring gas resin, ethyl fiber, etc.
  • modified Resin oil such as phenol, monoanthrene, alkylpyrene, modified ring gas resin, ethyl fiber, etc.
  • the preparation process of these resin oils is very complicated and the cost is high.
  • U.S. Patent Nos. 4,96,6 and 28 disclose a security securities ink.
  • the ink includes: a printing oil «solid matter containing an oily resin component (resin oil), and at least one volatile organic solvent that volatilizes during and after printing; wherein the oil I solid matter is combined
  • the weight ratio of the oily resin component is in the range of (1 0 -6 0): (1 0 -8 0), the amount of the organic solvent is less than 15% by weight, and the hydration amount can be up to 4 0% by weight.
  • the main purpose of this patent is to reduce the amount of organic solvents in order to reduce the pollution of the ink to the environment.
  • Simple polymer oil-based or phthalic acid-based KJ printing inks cannot meet the requirements of high printing, not dirty, poor chemical resistance, and the reaction process of various modified synthetic resins is lengthy and difficult to control quality.
  • modified enzyme resins in oil ⁇ such as isoester modified enzyme resin
  • the reaction process is complex and difficult to control.
  • the raw material isoacid has a strong irritant to the human body, and the reaction product is poorly characterized.
  • the combined amount of organic solvents in the ink is too high. During the printing process and the drying process after printing on paper, the volatilization into the air pollutes the air and endangers human health.
  • the pattern lines are not smooth.
  • the traditional 03 printing ink quality test is to measure the color fineness, viscosity, maximum / minimum viscosity (t a c k) value, dryness, moisture and so on. Therefore, when determining the quality of ink products, the inspectors need a wealth of practical experience to determine whether the quality is superior, which most people cannot grasp.
  • the temperature of the printing plate is too high, generally 80 ⁇ 2 'C. It can be large, and the operating conditions are bad. It is not conducive to extending the service life of the printing equipment, and it is not conducive to the health of the operator.
  • the main object of the present invention is to provide a resin oil as a main component of the ink in order to overcome the problems existing in the prior art, with a small number of raw materials, simple preparation process, low production cost, excellent printing performance, and high speed adaptation Printed engraving omega printing ink.
  • Another object of the present invention is to provide a engraving KJ printing ink with a small amount of organic solvents and a low printing plate temperature. 3 ⁇ 4 ⁇
  • Still another object of the present invention is to provide a printing machine suitable for various printing machines with a machine speed of 5,000 sheets / hour to 10, 100,000 sheets / hour, and an ink transfer system of short, medium, and long transfers.
  • Overview-The present invention relates to a printing ink, in particular to a engraving gravure ink used for printing anti-counterfeit securities (pieces) such as banknotes, valuable securities, passports, visas, etc.
  • the engraving gravure oil ⁇ includes:
  • the engraving gravure ink according to the present invention may also incorporate a viscosity modifier of up to 10% by weight, that is, 0-10% by weight; and a maximum of 8% by weight, that is, 0-8 % Erasing conditioner; and up to 5% by weight, that is, 0-5% by weight of drying conditioner.
  • the resin oil includes a phenolic resin and / or a cyclohexyl resin
  • these resins include a modified aldehyde resin and / or a ring gas resin, such as a cellulose-modified aldehyde resin and / or Cyclopsamidine resin, rosin and / or vegetable oil-modified alkyl pansam resin, double pan A resin, rosin acid or / and unsaturated vegetable oleic acid-modified panam resin.
  • the alkyd resin includes phthalic acid resin and isophthalic acid resin.
  • the viscosity modifier includes an alkane having a boiling range of 160-320 ° C, unsaturated vegetable oil, and unsaturated methyl oleate.
  • the non-dirty adjuster includes a boiling range of
  • Alkanes fatty acid methylases or acetases of 1 6 0-3 2 0 'C, and natural and / or synthetic errors with melting points in the range 50-100' C.
  • the pigments include various inorganic and organic pigments.
  • the filling material includes natural ultrafine calcium carbonate, precipitated calcium carbonate, and silicon dioxide.
  • the viscosity modifier includes a melting point range of
  • alkanes with a boiling range of 1 6 0-3 2 0' C unsaturated vegetable oils or unsaturated vegetable oils, or unsaturated fatty acid formate.
  • the stencil modifier includes vegetable oleic acid vinegar, vegetable oleate or other macromolecular surfactants.
  • the desiccant adjusting agent includes a salt of cobalt, manganese, zirconium or a hafnium compound.
  • the present invention achieves the above-mentioned preparation target in a wide range and degree.
  • the outstanding feature of the present invention is that it simplifies the production process and meets increasingly stringent environmental protection laws and regulations.
  • the amount of organic lotion is controlled to 5-12%; Do not use glyoxan and alkyl ketone solvents, only use chain hydrocarbon solvents to minimize the toxicity of organic lotion; improve the non-flammability, even if stacked immediately after printing 1 0, 0 0 0 photos, The dirtiness meets the requirements, and it is non-adhesive, easy to separate, and is used for the next process operation.
  • Excellent printability suitable for printing speeds of 5,000-1 0,000 sheets per hour.
  • the ink transfer system is short, medium, and long pass banknote printers, and has a wide range of adaptability. Reduce the plate temperature by more than 10 e C, which can be within 6 5 e C ⁇ 3. (: Printing.
  • the ink has excellent physical and chemical resistance, and meets the demanding requirements for the life of banknotes.
  • the detailed description of this hair contains the engraving KJ printing ink of the invention:
  • the engraving gravure ink according to the present invention may further incorporate a viscosity modifier having a maximum viscosity of 10% by weight, that is, 0-10% by weight; a maximum of 8% by weight, that is, 0-8 % Erasing conditioner; and up to 5% by weight, that is, 0-5% by weight of drying conditioner.
  • a viscosity modifier having a maximum viscosity of 10% by weight, that is, 0-10% by weight; a maximum of 8% by weight, that is, 0-8 % Erasing conditioner; and up to 5% by weight, that is, 0-5% by weight of drying conditioner.
  • the resin oil includes Pancho resin and / or cyclopentadiene resin
  • these resins include modified phenolic resin and / or cyclopentadiene resin, such as cellulose-modified Panthox resin and / or Ring gas resin, rosin and / or vegetable oil modified alkylpan resin, bisphenol A resin, rosin acid or / and unsaturated vegetable oleic acid modified panpan resin ⁇
  • the resin oil used in the present invention has excellent conjunctival properties, good physical and chemical resistance, moderate viscosity and viscosity, so that the resulting ink has better lithography, good emulsification, better viscosity and viscosity, so that Oil S has good dispersibility, offset properties, and good conjunctival properties, thereby improving the sharpness of the pattern of printed matter.
  • the bonding agent (resin oil) used in KJ printing inks generally needs to have good hydrophilicity.
  • the linker (resin oil) used in offset printing inks must have good lipophilicity and hydrophilicity.
  • Alkyd resins, such as phthalic acid resins, and isophthalic acid resins are the most commonly used binders in offset printing oils ⁇ . Enzyme resins have good pigment dehumidification properties, improve oil & transfer performance, improve printing adaptability of inks, and have good conjunctivities, which is a well-known fact in the art.
  • the Resin oils such as phthalic acid resin and isophthalic acid resin, although they are lipophilic and hydrophilic, cannot be directly used in gravure printing inks, but need to be modified to make them more ice-philic. It can be used in omega printing inks, as described above.
  • the modified enzymatic resin has insufficient improvements in the wettability of the ink and the transfer performance of the ink, so it cannot improve the printing adaptability of the ink and improve the conjunctiva of the ink. Sex.
  • the inventors of the present invention found that the binder (resin oil) used in some offset inks can be directly applied to omega printing inks without any chemical modification.
  • the gravure ink of the present invention incorporates a fermented resin, and the fermented resin includes an orthobenzoic acid resin and an isophthalic acid resin.
  • the gravure printing ink of the present invention is added with unmodified resin oils commonly used in offset printing inks, such as phthalic acid resin and / or m-benzoic acid resin, it has good pigmentation and moisturizing properties.
  • the transfer performance has been greatly improved, greatly improving the printing adaptability of the ink, and at the same time, it has good conjunctival properties.
  • the viscosity adjusting agent includes an alkane having a boiling range of 160 ° C to 320 ° C, an unsaturated vegetable oil, and an unsaturated methyl oleate.
  • the odor-inhibiting regulator includes a boiling range of
  • the gravure printing oil n of the present invention does not have any restrictions on the colors used, and can be selected according to needs, including various inorganic and organic pigments.
  • the filling section includes natural ultrafine calcium carbonate, precipitated calcium carbonate, and silicon dioxide.
  • the viscosity adjusting agent is used to adjust the viscosity of the oil in the daytime, and includes osmium having a melting point in the range of 50-1 0 0 'C and a boiling range of 16-3 2 0 "(: , Unsaturated vegetable oil or unsaturated vegetable oil or unsaturated fatty acid methyl ester, etc.
  • the choice of viscosity modifier is known to those skilled in the art, and is not repeated here.
  • the offset modifier includes vegetable oleic acid vinegar, vegetable oleate or other macromolecular surfactants commonly used in omega printing inks.
  • the desiccant adjusting agent comprises a salt of cobalt, manganese, zirconium, or a compound of the hope type. If you want to speed up the drying speed of the ink, you can use a basin of cobalt, manganese, zirconium; if you want to slow down the drying speed of oil S, you can use a phenolic compound.
  • the described compounds are well known to those skilled in the art.
  • the engraving printing oil ⁇ of the present invention can be prepared according to a method known in the art.
  • the principle of selecting the wood material family must fully meet the needs of the present invention.
  • special attention is paid to controlling the total amount of harmful impurities, such as: heavy metal lead (P b), Various compounds such as chromium (Cr), polygas biphenyl (PCBP), organic aromatic compounds.
  • the quality standards are implemented in accordance with Chinese National Standards (GB), International Standards (ISO) and AS TM standards.
  • the engraving gravure printing ink of the present invention uses a viscosity modifier, a viscosity modifier, an erasing performance modifier, a printability modifier, a drying performance modifier (driers, retarders), and does not stain (N ON-OF FSET) regulator, so that it can meet the special requirements of anti-counterfeiting securities (pieces) suitable for printing banknotes, securities, passports, visas, etc.
  • the number of resins used as the linking resin in the ink is reduced, thereby reducing the workload of the synthetic tree tincture, thereby simplifying the manufacturing process of the ink and reducing the production cost of the ink.
  • the solvent volume in oil S is significantly reduced, generally in the range of 5 to 12%, which meets the increasingly stringent environmental protection requirements in the world.
  • the temperature of the printing plate can be between 80 and 60 as required. 'C setting, greatly reduces the printing plate temperature.
  • the ink is easy to apologize in the erasing solution. After printing, the ink on the plate is easy to wipe off to meet the needs of printing banknotes.
  • the plate-making waste liquid is treated by physical methods. Most of the useful substances, such as water, surfactants, and alkalis, can be recycled. «The dredging part can be incinerated to realize the trouble-free printing of printing bank waste.
  • Viscosity 6-8 pa. S / 4 0 'C
  • Example 2 The same preparation method as in Example 1 was used to obtain a single sheet of paper without staining the engraving printing ink.
  • the obtained ink has a viscosity of 4 -S p a. S / 4 0
  • the yield value is very low (less than 5 0 0), the fluidity is particularly good, it has strong magnetic properties and Excellent printability, good results for engraving presses of various speeds.
  • Industrial Applicability The engraving printing ink of the present invention can be widely used for printing banknotes, various kinds of valuable securities, bills, and various anti-counterfeiting securities (pieces).
  • the printing adaptability is good, the printing effect is excellent, and it meets strict environmental protection requirements. It should be understood that a person of ordinary skill in the art can make various modifications and changes to the present invention without departing from the spirit and essence of the present invention, but all are beyond the protection scope of the present invention.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

Une encre de gravure au ciseau comprend 8 à 45 % en poids de résinyle, 3 à 25 % en poids d'une résine alkyde, 4 à 12 % en poids d'un agent de modulation de l'adhérence, 2 à 10 % en poids d'un composé anti-maculage, 2 à 30 % en poids d'un pigment et 5 à 30 % d'une charge.
PCT/CN1996/000021 1996-03-29 1996-03-29 Encre de gravure au ciseau WO1997036964A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU51411/96A AU5141196A (en) 1996-03-29 1996-03-29 Carving gravure ink
PCT/CN1996/000021 WO1997036964A1 (fr) 1996-03-29 1996-03-29 Encre de gravure au ciseau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN1996/000021 WO1997036964A1 (fr) 1996-03-29 1996-03-29 Encre de gravure au ciseau

Publications (1)

Publication Number Publication Date
WO1997036964A1 true WO1997036964A1 (fr) 1997-10-09

Family

ID=4574954

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN1996/000021 WO1997036964A1 (fr) 1996-03-29 1996-03-29 Encre de gravure au ciseau

Country Status (2)

Country Link
AU (1) AU5141196A (fr)
WO (1) WO1997036964A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666502A (en) * 1970-04-27 1972-05-30 Gustaf L Erikson Lithographic inks and solutions for treating lithographic plates

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666502A (en) * 1970-04-27 1972-05-30 Gustaf L Erikson Lithographic inks and solutions for treating lithographic plates

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LI RONGXING, "Ink", Vol. 1, (1986), PRINTING INDUSTRY PUBLISHING HOUSE, pages 135-160. *
LI RONGXING, "Ink", Vol. 2, (1986), PRINTING INDUSTRY PUBLISHING HOUSE, page 326. *

Also Published As

Publication number Publication date
AU5141196A (en) 1997-10-22

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