CN116535898A - Modified printing ink for lithography and preparation method thereof - Google Patents
Modified printing ink for lithography and preparation method thereof Download PDFInfo
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- CN116535898A CN116535898A CN202310654131.0A CN202310654131A CN116535898A CN 116535898 A CN116535898 A CN 116535898A CN 202310654131 A CN202310654131 A CN 202310654131A CN 116535898 A CN116535898 A CN 116535898A
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- ink
- coloring pigment
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- 238000007639 printing Methods 0.000 title claims abstract description 53
- 238000001459 lithography Methods 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000000049 pigment Substances 0.000 claims abstract description 46
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000004040 coloring Methods 0.000 claims abstract description 40
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000000227 grinding Methods 0.000 claims abstract description 23
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 20
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 241000779819 Syncarpia glomulifera Species 0.000 claims abstract description 18
- 239000001739 pinus spp. Substances 0.000 claims abstract description 18
- 229940036248 turpentine Drugs 0.000 claims abstract description 18
- 239000000839 emulsion Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012188 paraffin wax Substances 0.000 claims abstract description 15
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 14
- 235000021388 linseed oil Nutrition 0.000 claims abstract description 14
- 239000000944 linseed oil Substances 0.000 claims abstract description 14
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- RWNUSVWFHDHRCJ-UHFFFAOYSA-N 1-butoxypropan-2-ol Chemical compound CCCCOCC(C)O RWNUSVWFHDHRCJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000013530 defoamer Substances 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 38
- 238000002156 mixing Methods 0.000 claims description 12
- -1 lithol scarlet Chemical compound 0.000 claims description 9
- 239000006229 carbon black Substances 0.000 claims description 8
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000001993 wax Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- OSNILPMOSNGHLC-UHFFFAOYSA-N 1-[4-methoxy-3-(piperidin-1-ylmethyl)phenyl]ethanone Chemical compound COC1=CC=C(C(C)=O)C=C1CN1CCCCC1 OSNILPMOSNGHLC-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 4
- 235000010215 titanium dioxide Nutrition 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000005187 foaming Methods 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007645 offset printing Methods 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000009974 thixotropic effect Effects 0.000 description 2
- 241000519995 Stachys sylvatica Species 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
-
- 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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to the field of ink production, in particular to a modified ink for lithography and a preparation method thereof, wherein the modified ink comprises the following components in percentage by mass: 25-40% of acrylic resin liquid, 5-10% of ethanol, 5-15% of propylene glycol butyl ether, 12-20% of organic coloring pigment, 2-8% of inorganic coloring pigment, 5-15% of emulsion, 8-13% of deionized water, 0.5-3% of turpentine, 2-9% of paraffin, 3-12% of linseed oil, 0.1-1% of glycerol and 0.5-2% of defoamer. According to the invention, glycerol is used for lubrication, the lubricating degree of the ink is improved, and the glycerol is added and matched with paraffin to reduce the viscosity of the ink, so that the ink is more loose, the phenomenon of ink blocking and the like during printing is avoided, the touch hand feeling of the ink is improved by adding the organic coloring pigment and the inorganic coloring pigment and then grinding the ink through grinding equipment, the granular feeling in the ink is reduced, the surface tension of the ink is reduced by the defoaming agent, the foaming phenomenon of the ink during printing is prevented, and the plate making and printing quality are improved, so that the ink is widely applied to various lithographic printing.
Description
Technical Field
The invention relates to ink, in particular to modified ink for lithography, and belongs to the technical field of ink production.
Background
The ink is a main raw material for printing, the lithographic printing can print materials with relatively smooth and flat surfaces, the main components in the ink can be mainly divided into colored pigment and binder, wherein the colored pigment plays a role in color development, and is different from the color of a printing stock to form contrast, an image is displayed on the printing stock, and the ink binder mainly plays a role of an auxiliary agent in the ink, so that the rheological property, viscosity, drying property, film forming property and printing performance of the ink are influenced.
In the current printing process of the printing ink, the thixotropic property of the printing ink is too high, so that the printing ink is easy to cause ink blocking and plate pasting faults before the thixotropic phenomenon of the printing ink occurs, the printing ink is too high in printing viscosity, and the printing ink can generate great impact force to impact the ink scraping knife under the high-speed movement of a printing plate, so that the ink of a non-image-text part is difficult to scrape off smoothly by the ink scraping knife, plate dirt is generated, and the quality of lithographic printing is influenced.
Therefore, there is a need for an improvement in lithographic printing ink to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a modified ink for offset printing, which is lubricated by glycerol, improves the lubricating degree of the ink, reduces the viscosity in the ink by adding the modified ink and matching with paraffin, makes the ink loose, avoids the phenomena of ink blocking and the like during printing, improves the touch hand feeling of the ink by adding organic coloring pigment and inorganic coloring pigment and grinding the modified ink by grinding equipment to achieve the required granularity and fluidity, reduces the granular feeling in the ink, reduces the surface tension of the ink by a defoamer, prevents the foaming phenomenon of the ink during printing, improves the plate making and printing quality, can form a uniform lubricating film in the ink under the action of linseed oil, avoids the problems of unclear printing, paper jam and the like, and is widely applied to various offset printing.
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
a modified ink for lithography, the modified ink comprising the following components in percentage by mass:
25% -40% of acrylic resin liquid;
ethanol 5% -10%;
5% -15% of propylene glycol butyl ether;
12% -20% of organic coloring pigment;
2% -8% of inorganic coloring pigment;
5% -15% of emulsion;
8% -13% of deionized water;
turpentine 0.5% -3%;
2% -9% of paraffin;
3% -12% of linseed oil;
0.1% -1% of glycerol;
0.5% -2% of defoaming agent.
Preferably, the modified ink comprises the following components in percentage by mass:
28% of acrylic resin liquid;
8% of ethanol;
propylene glycol butyl ether 9%;
16% of an organic coloring pigment;
an inorganic coloring pigment 5%;
10% of emulsion;
10% of deionized water;
turpentine 2%;
4.5% of paraffin;
7% of linseed oil;
0.5% of glycerol;
1% of defoaming agent.
Preferably, the organic coloring pigment is one of carbon black, scarlet powder, phthalocyanine green or phthalocyanine blue BGS.
Preferably, the inorganic coloring pigment is one of phthalocyanine blue, lithol scarlet, benzidine yellow or titanium white.
Preferably, the acrylic resin liquid is 870 acrylic resin liquid, the emulsion is polyethylene wax emulsion, and the carbon black N330 carbon black is adopted.
A method for preparing a modified ink for lithography, comprising the steps of:
step one: firstly, 870 acrylic resin liquid, ethanol, deionized water and turpentine are put into stirring equipment for stirring and mixing, so that the mixture is uniformly dispersed;
step two: then, adding the organic coloring pigment, the inorganic coloring pigment and part of defoamer into stirring equipment for stirring and mixing again;
step three: taking the dispersed and mixed 870 acrylic resin liquid, ethanol, deionized water, turpentine, organic coloring pigment, inorganic coloring pigment, glycerol and part of defoaming agent out of the stirring equipment, putting the materials into grinding equipment for grinding, and standing for 20-30 min after grinding;
step four: and (3) putting the ground raw materials into stirring equipment, and adding polyethylene wax emulsion, ethanol, propylene glycol butyl ether, turpentine, paraffin, linseed oil and the rest defoamer into the stirring equipment for stirring and mixing again until the raw materials are completely dispersed and mixed.
The invention has at least the following beneficial effects:
1. the novel printing ink is characterized in that the novel printing ink is lubricated through glycerol, the lubricating degree of the printing ink is improved, the viscosity in the printing ink is reduced by adding the novel printing ink and matching with paraffin, the printing ink is loosened, the phenomenon of ink blocking and the like during printing is avoided, the novel printing ink is ground through grinding equipment after the organic coloring pigment and the inorganic coloring pigment are added, the novel printing ink reaches the required granularity and fluidity, the touch feeling of the novel printing ink is improved, the granular feeling in the novel printing ink is reduced, the surface tension of the novel printing ink is reduced through a defoaming agent, the foaming phenomenon of the novel printing ink during printing is prevented, the plate making and printing quality are improved, a uniform lubricating film can be formed in the novel printing ink under the action of linseed oil, the problems of unclear printing or paper jam and the like are avoided, and the novel printing ink is widely applicable to various lithographic printing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a flow chart of the preparation process of the invention.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.
The modified ink for lithography provided in the embodiment is composed of the following components in percentage by mass: 25-40% of acrylic resin liquid, 5-10% of ethanol, 5-15% of propylene glycol butyl ether, 12-20% of organic coloring pigment, 2-8% of inorganic coloring pigment, 5-15% of emulsion, 8-13% of deionized water, 0.5-3% of turpentine, 2-9% of paraffin, 3-12% of linseed oil, 0.1-1% of glycerol and 0.5-2% of defoamer;
wherein the preferred modified ink consists of the following components in percentage by mass: 28% of acrylic resin liquid, 8% of ethanol, 9% of propylene glycol butyl ether, 16% of organic coloring pigment, 5% of inorganic coloring pigment, 10% of emulsion, 10% of deionized water, 2% of turpentine, 4.5% of paraffin, 7% of linseed oil, 0.5% of glycerol and 1% of defoamer;
the ethanol can be used as a diluent and a solvent, so that pigment dispersion can be assisted, printing and smearing of the ink can be facilitated, and the use effect of the ink is improved;
the turpentine plays a role in diluting the ink, so that the ink can be diluted, the ink cannot be influenced, the turpentine plays a role more like water, and the effect is better than that of water;
the linseed oil can form a uniform lubricating film in the ink, so that the problems of unclear printing, paperboard and the like of the ink after being dried are avoided, and in addition, the color and the color vividness of the ink can be improved, so that the printed matter is more attractive;
the paraffin is mainly used for reducing the viscosity of the ink, changing the rheological property of the ink, loosening the ink and shortening the ink property;
the linseed oil makes pigment color brighter, has a brightening effect, and makes the brightness of the ink stronger;
the glycerol is mainly used as a solvent and can play a role in lubrication, so that the smoothness of the ink is better;
further, the organic coloring pigment is one of carbon black, scarlet powder, phthalocyanine green or phthalocyanine blue BGS;
further, the inorganic coloring pigment is one of phthalocyanine blue, lithol scarlet, benzidine yellow or titanium white, carbon black is matched with the phthalocyanine blue to form black ink, red powder is matched with the lithol scarlet to form red ink, phthalocyanine green is matched with the benzidine yellow to form dark green ink, phthalocyanine blue BGS is matched with the titanium white to form blue ink, and different organic coloring pigments and inorganic coloring pigments can be selected to be matched according to actual use requirements;
furthermore, the acrylic resin liquid adopts 870 type acrylic resin liquid, and the 870 type acrylic resin liquid has unsaturation and can perform polymerization reaction under the action of ultraviolet rays, so that the printing ink has enough leveling property, spreadability and smooth glossiness on the surface layer of a printed matter, and the emulsion is polyethylene wax emulsion, plays the roles of scratch resistance, wear resistance, adhesion resistance, smooth hand feeling and the like in the printing ink, and ensures that the touch comfort degree on the surface of the printed matter is better;
as shown in fig. 1, the preparation method of the modified ink for lithography provided in this embodiment includes the following steps:
step one: firstly, 870 acrylic resin liquid, ethanol, deionized water and turpentine are put into stirring equipment for stirring and mixing, so that the mixture is uniformly dispersed;
step two: then, adding the organic coloring pigment, the inorganic coloring pigment and part of defoamer into stirring equipment for stirring and mixing again;
step three: taking the dispersed and mixed 870 acrylic resin liquid, ethanol, deionized water, turpentine, organic coloring pigment, inorganic coloring pigment, glycerol and part of defoaming agent out of the stirring equipment, putting the materials into grinding equipment for grinding, and standing for 20-30 min after grinding;
step four: and (3) putting the ground raw materials into stirring equipment, and adding polyethylene wax emulsion, ethanol, propylene glycol butyl ether, turpentine, paraffin, linseed oil and the rest defoamer into the stirring equipment for stirring and mixing again until the raw materials are completely dispersed and mixed.
Further, the stirring device in the second step can be one of a star stirrer, a butterfly stirrer or a high-speed impeller stirrer, the grinding device in the third step can be one of a ball mill or a sand mill, the mixing of solid powder and a binder can be realized through a stirring blade in the third step, the binder is promoted to enter a gap and a capillary gap of a pigment from a certain direction, the wetting is performed to remove air and moisture around the pigment, the purpose of coarse dispersion is achieved, the coarse dispersed material is put into the grinding device for grinding, the stirred coarse particles are dispersed in the binder, and the ink forms a stable suspension dispersion;
furthermore, the stirring speed of the stirring equipment is controlled to be 400-600r/min, so that the influence of excessive rotating speed on collision and mixing effect among microparticles is avoided, the solubility of internal substances is reduced, the grinding fineness of the grinding equipment is less than 15 mu m, the hand feeling of the ink is smoother, and no granular feeling is felt;
furthermore, in the third step, the components of the part of the defoaming agent in the stirring equipment in percentage by mass account for 30% of the total components of the defoaming agent, the part of the defoaming agent is added in the grinding process to inhibit the generation of foam, and the foam in the ink can be eliminated by adding the defoaming agent in the final stirring stage of the ink production, so that the problems of white spots, sand holes, water marks and the like generated by the occurrence of the foam in the printing process are prevented; the printing quality of the ink is improved;
in the fourth step, a heating device is arranged outside the stirring device, the internal temperature of the stirring device is heated to 50-70 ℃, and paraffin is heated and melted, so that the mixing effect is better, and the viscosity of the lithographic printing ink is reduced.
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude that an additional identical element is present in a commodity or system comprising the element.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (10)
1. A modified ink for lithographic printing, characterized in that: the modified ink comprises the following components in percentage by mass:
25% -40% of acrylic resin liquid;
ethanol 5% -10%;
5% -15% of propylene glycol butyl ether;
12% -20% of organic coloring pigment;
2% -8% of inorganic coloring pigment;
5% -15% of emulsion;
8% -13% of deionized water;
turpentine 0.5% -3%;
2% -9% of paraffin;
3% -12% of linseed oil;
0.1% -1% of glycerol;
0.5% -2% of defoaming agent.
2. The modified ink for lithography according to claim 1, wherein: the preferred modified ink comprises the following components in percentage by mass:
28% of acrylic resin liquid;
8% of ethanol;
propylene glycol butyl ether 9%;
16% of an organic coloring pigment;
an inorganic coloring pigment 5%;
10% of emulsion;
10% of deionized water;
turpentine 2%;
4.5% of paraffin;
7% of linseed oil;
0.5% of glycerol.
3. The modified ink for lithography according to claim 1, wherein: the organic coloring pigment is one of carbon black, red powder, phthalocyanine green or phthalocyanine blue BGS.
4. The modified ink for lithography according to claim 1, wherein: the inorganic coloring pigment is one of phthalocyanine blue, lithol scarlet, benzidine yellow or titanium white.
5. A modified ink for lithography according to claim 3, wherein: the acrylic resin liquid adopts 870 acrylic resin liquid, the emulsion is polyethylene wax emulsion, and the carbon black N330 carbon black.
6. A method for preparing a modified ink for lithography, characterized by: the method comprises the following steps:
step one: firstly, 870 acrylic resin liquid, ethanol, deionized water and turpentine are put into stirring equipment for stirring and mixing, so that the mixture is uniformly dispersed;
step two: then, adding the organic coloring pigment, the inorganic coloring pigment and part of defoamer into stirring equipment for stirring and mixing again;
step three: taking the dispersed and mixed 870 acrylic resin liquid, ethanol, deionized water, turpentine, organic coloring pigment, inorganic coloring pigment, glycerol and part of defoaming agent out of the stirring equipment, putting the materials into grinding equipment for grinding, and standing for 20-30 min after grinding;
step four: and (3) putting the ground raw materials into stirring equipment, and adding polyethylene wax emulsion, ethanol, propylene glycol butyl ether, turpentine, paraffin, linseed oil and the rest defoamer into the stirring equipment for stirring and mixing again until the raw materials are completely dispersed and mixed.
7. The method for producing a modified ink for lithography according to claim 6, wherein: the stirring equipment in the second step can be one of a star stirrer, a butterfly stirrer or a high-speed impeller stirrer, and the grinding equipment in the third step can be one of a ball mill or a sand mill.
8. The method for producing a modified ink for lithography according to claim 6, wherein: the stirring speed of the stirring equipment is controlled to be 400-600r/min, and the grinding fineness of the grinding equipment is less than 15 mu m.
9. The method for producing a modified ink for lithography according to claim 6, wherein: and in the third step, the components of the part of the defoaming agent added into the stirring equipment account for 30% of the total components of the defoaming agent in percentage by mass.
10. The method for producing a modified ink for lithography according to claim 6, wherein: and in the fourth step, a heating device is arranged outside the stirring device, and the temperature inside the stirring device is heated to 50-70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310654131.0A CN116535898A (en) | 2023-06-05 | 2023-06-05 | Modified printing ink for lithography and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310654131.0A CN116535898A (en) | 2023-06-05 | 2023-06-05 | Modified printing ink for lithography and preparation method thereof |
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| CN116535898A true CN116535898A (en) | 2023-08-04 |
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| CN202310654131.0A Pending CN116535898A (en) | 2023-06-05 | 2023-06-05 | Modified printing ink for lithography and preparation method thereof |
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| CN114921126A (en) * | 2022-06-16 | 2022-08-19 | 山东盛驰新材料有限公司 | Quick-drying water-based ink and preparation method thereof |
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