CN108410258B - Sun-proof gravure printing ink - Google Patents
Sun-proof gravure printing ink Download PDFInfo
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- CN108410258B CN108410258B CN201810232624.4A CN201810232624A CN108410258B CN 108410258 B CN108410258 B CN 108410258B CN 201810232624 A CN201810232624 A CN 201810232624A CN 108410258 B CN108410258 B CN 108410258B
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- 238000007646 gravure printing Methods 0.000 title claims abstract description 12
- 230000002745 absorbent Effects 0.000 claims abstract description 20
- 239000002250 absorbent Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000003086 colorant Substances 0.000 claims abstract description 10
- 239000003822 epoxy resin Substances 0.000 claims abstract description 4
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 4
- 229920005749 polyurethane resin Polymers 0.000 claims abstract description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 28
- 229920001577 copolymer Polymers 0.000 claims description 16
- 239000011787 zinc oxide Substances 0.000 claims description 14
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000002270 dispersing agent Substances 0.000 claims description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000049 pigment Substances 0.000 claims description 4
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- RRDQTXGFURAKDI-UHFFFAOYSA-N formaldehyde;naphthalene-2-sulfonic acid Chemical compound O=C.C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 RRDQTXGFURAKDI-UHFFFAOYSA-N 0.000 claims description 3
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- KVBGVZZKJNLNJU-UHFFFAOYSA-N naphthalene-2-sulfonic acid Chemical compound C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-N 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 238000010526 radical polymerization reaction Methods 0.000 claims description 3
- 229910003002 lithium salt Inorganic materials 0.000 claims 3
- 159000000002 lithium salts Chemical class 0.000 claims 3
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims 3
- 238000005562 fading Methods 0.000 abstract description 6
- 239000000976 ink Substances 0.000 description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 159000000001 potassium salts Chemical class 0.000 description 8
- 238000007639 printing Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- -1 acrylic acid free radical Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 239000012965 benzophenone Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical group N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000007342 radical addition reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229940114081 cinnamate Drugs 0.000 description 1
- CCRCUPLGCSFEDV-UHFFFAOYSA-N cinnamic acid methyl ester Natural products COC(=O)C=CC1=CC=CC=C1 CCRCUPLGCSFEDV-UHFFFAOYSA-N 0.000 description 1
- 108700041286 delta Proteins 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- CCRCUPLGCSFEDV-BQYQJAHWSA-N methyl trans-cinnamate Chemical compound COC(=O)\C=C\C1=CC=CC=C1 CCRCUPLGCSFEDV-BQYQJAHWSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 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
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- 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
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
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 discloses a sun-proof ink for gravure printing. The gravure printing sun-proof ink is prepared from the following components in parts by mass: 15-28 parts of polyurethane resin; 1-5 parts of an ultraviolet absorbent; 3-12 parts of epoxy resin; 46-98 parts of a dissolving agent. The gravure printing sun-proof ink adopts the ultraviolet absorbent to form ultraviolet rays in a certain ultraviolet region to be absorbed, which is equivalent to the fact that the ink is effectively protected by the ultraviolet absorbent, thereby slowing down the fading time of the colorant and playing a role in improving the sun-proof performance of the ink.
Description
Technical Field
The invention relates to the technical field of printing ink, in particular to sun-proof printing ink for gravure printing.
Background
The field of application and the number of intaglio printing systems has increased rapidly in recent years, while the resolution and the quality of the intaglio printing have increased to a surprising extent. At the same time, for the hard copy output of the terminal, on the premise of not increasing the cost, the quality of the image is further improved, and the light fastness of the gravure image is improved, particularly when the image with transitional light color tone is expressed, the light fastness is very important.
Disclosure of Invention
The invention aims to provide a lightfast gravure printing lightfast ink aiming at the defects of the prior art.
The gravure printing sun-proof ink is prepared from the following components in parts by mass:
15-28 parts of polyurethane resin
1-5 parts of ultraviolet absorbent
3-12 parts of epoxy resin
46-98 parts of a dissolving agent.
Preferably, the ultraviolet absorbent is one or at least two of 2-hydroxy-4-acrylate-benzophenone, a copolymer obtained by adding p-acrylate-based methyl cinnamate and an acrylic acid free radical, nano zinc oxide and nano titanium dioxide.
Preferably, the ultraviolet absorbent consists of the following components in parts by mass:
0.2-1 part of copolymer
0-2 parts of nano zinc oxide
0-2 parts of nano titanium dioxide.
Preferably, the particle size range of the nano zinc oxide is 20-40 nm, and the particle size range of the nano titanium dioxide is 10-30 nm.
Preferably, the method further comprises the following steps:
0.1-0.25 part of coupling agent.
Preferably, the method further comprises the following steps:
1-7 parts of dispersant
8-20 parts of colorant
1-4 parts of wear-resisting agent
0.3-1.3 parts of leveling agent.
Preferably, the dissolving agent comprises the following components in percentage by mass:
40-65 parts of n-propyl ester
3-18 parts of ethanol
3-15 parts of ethyl acetate.
Preferably, the leveling agent is ternary polymerization type polyacrylate obtained by free radical polymerization of butyl acrylate, methyl methacrylate and 2-hydroxyethyl acrylate.
Preferably, the dispersant is one or at least two selected from the group consisting of dispersants NNO, lithium and potassium salts of aromatic sulfonic acids, lithium and potassium salts of aromatic sulfonic acid formaldehyde condensates, lithium and potassium salts of β -naphthalenesulfonic acids, and lithium and potassium salts of β -naphthalenesulfonic acid formaldehyde condensates.
Preferably, the colorant is a pigment.
The gravure printing sun-proof ink adopts the ultraviolet absorbent to form ultraviolet rays in a certain ultraviolet region to be absorbed, which is equivalent to the fact that the ink is effectively protected by the ultraviolet absorbent, thereby slowing down the fading time of the colorant and playing a role in improving the sun-proof performance of the ink.
Detailed Description
The following are specific examples of the present invention to further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
The gravure printing sun-proof ink is prepared from the following components in parts by mass:
15-28 parts of polyurethane resin
1-5 parts of ultraviolet absorbent
3-12 parts of epoxy resin
46-98 parts of a dissolving agent.
The gravure printing sun-proof ink adopts the ultraviolet absorbent to form ultraviolet rays in a certain ultraviolet region to be absorbed, which is equivalent to the fact that the ink is effectively protected by the ultraviolet absorbent, thereby slowing down the fading time of the colorant and playing a role in improving the sun-proof performance of the ink.
Although the small molecular ultraviolet absorbent has good ultraviolet absorption performance, the small molecular ultraviolet absorbent has a plurality of defects in the application aspect, such as poor dispersion performance in a high molecular material, easy migration and leakage; therefore, the synthesized high molecular copolymer can be added into the ink, but the high molecular copolymer is generally a single-waveband high molecular ultraviolet absorbent or a double-waveband high molecular ultraviolet absorbent, so that the condition that the ink is limited in waveband when being irradiated by ultraviolet light and cannot be comprehensively protected is avoided. When these zinc oxide and titanium dioxide are made into a nano-scale, the light absorption is significantly enhanced because the size of the particles is equivalent to or smaller than that of light waves and the interval between the conduction band and the valence band is increased due to the size effect. The various powders have different light shielding and reflection efficiencies. The strong absorption capacity of the nano zinc oxide and nano titanium dioxide samples to ultraviolet wave bands is mainly derived from the semiconductor property of the nano zinc oxide and nano titanium dioxide samples, namely, under the irradiation of ultraviolet light, electrons are excited to absorb the ultraviolet light caused by valence band to conduction band transition.
Therefore, the ultraviolet absorbent can be one or at least two of 2-hydroxy-4-acrylate-benzophenone, a copolymer obtained by adding p-acrylate-methyl cinnamate and an acrylic acid free radical, nano zinc oxide and nano titanium dioxide.
Here, a copolymer obtained by radical addition of 2-hydroxy-4-acrylate-benzophenone, methyl p-acrylate-cinnamate and acrylic acid. The molecular structure formula of the copolymer can be but is not limited to
(ii) a The free radical addition can be carried out in a conventional addition system, for example, the initiator can be azobisisobutyronitrile, oily peroxide and the like, the solvent can be organic solvent such as tetrahydrofuran and the like, and the temperature can be 60-70 ℃.
In the invention, the copolymer can be a 100-280nm (UV-C) and 280-315 (UV-B) waveband double-polymer ultraviolet absorbent, and the nano-scale zinc oxide and nano-scale titanium dioxide can absorb ultraviolet in the area below 280 nm.
Adding high molecular copolymer and nanometer level compound, and taking the two compounds in the ultraviolet region to absorb ultraviolet ray complementarily. In ink-printed images, ultraviolet light is irradiated on the image, and the ink actually receives the ultraviolet light. The nano compound contained in the ink absorbs ultraviolet rays in the region of 315-400nm (UV-A), the high molecular copolymer absorbs ultraviolet rays in the region of 100-315nm, and actually, the ultraviolet rays in a certain region of the nature are respectively absorbed by the nano compound and the high molecular copolymer to form the total absorption of the ultraviolet rays in the certain ultraviolet region. The two compounds are equivalent to the ink, so that the ink is effectively protected, the fading time of the colorant is reduced, and the effect of improving the light fastness of the ink is achieved.
The ultraviolet absorbent can be composed of the following components in parts by mass:
0.2-1 part of copolymer
0-2 parts of nano zinc oxide
0-2 parts of nano titanium dioxide.
The particle size range of the nano zinc oxide can be 15-45 nm, and the particle size range of the nano titanium dioxide is 10-30 nm. With the reduction of the grain diameter of the nano zinc oxide and the nano titanium dioxide, the absorption band edge moves towards the short wave direction to generate blue shift phenomenon.
Further comprising:
0.1-0.25 part of coupling agent.
The coupling agent is a substance with two functional groups with different properties, and the molecular structure of the coupling agent is mainly characterized in that the molecule contains two groups with different chemical properties, one group is an inorganophilic group and is easy to chemically react with the surface of an inorganic substance; the other is an organophilic group which is capable of chemically reacting with or forming hydrogen bonds soluble in synthetic resins or other polymers. After the coupling agent is added, the copolymer can be better matched with the nano material, and the wettability of the adhesive force of the printing ink is improved. The coupling agent of the present invention is not limited to the conventional form as titanate coupling agent, siloxane coupling agent, etc.
Further comprising:
1-7 parts of dispersant
8-20 parts of colorant
1-4 parts of wear-resisting agent
0.3-1.3 parts of leveling agent.
The flatting agent can be ternary polymerization type polyacrylate obtained by free radical polymerization of butyl acrylate, methyl methacrylate and acrylic acid-2-hydroxyethyl ester. The organic silicon flatting agent has more obvious effects on the aspects of reducing the surface tension of the printing ink, improving the anti-shrinkage capacity, increasing the smoothness of an ink film and the like.
The dispersant is a surfactant, and has the effects of reducing the surface tension of substances, adsorbing on the surface of the pigment in the form of positive ions or negative ions, diffusing corresponding charges into a binder medium, and performing charge discharge
And the ink has good dispersibility and stability by the principle of charge repulsion.
The dispersant may be one or at least two selected from dispersants NNO, lithium and potassium salts of aromatic sulfonic acids, lithium and potassium salts of aromatic sulfonic acid formaldehyde condensates, lithium and potassium salts of beta-naphthalenesulfonic acids, and lithium and potassium salts of beta-naphthalenesulfonic acid formaldehyde condensates.
The dissolving agent comprises the following components in percentage by mass:
40-65 parts of n-propyl ester
3-18 parts of ethanol
3-15 parts of ethyl acetate.
The colorant may be a pigment.
The invention is further illustrated by the following examples:
the images and pictures printed in the embodiment of the invention all adopt a Canon 4650 desktop printer, a CMKY mode, printing precision of 720dpi, Lekei high-brightness paper and 100% CMYRGBK standard color blocks of 2cm by 2 cm.
The color block testing method comprises the following steps:
1. the standard color patches were first measured for reflected color density values using an X-RITE 310 densitometer.
2. The standard color blocks were placed under a LUXO FL FLUORESCENT 120V 2X 15W 60HZD UV lamp with a tube distance of 3 cm from the color blocks, and irradiation was continued for 8 hours. The values of the reflected separation density of the illuminated patches were then determined using an X-RITE 310 densitometer.
3. The color fading (light fastness) of the color block was determined by the following formula.
Wherein, Delta 1 is the density before the standard color block irradiation, and Delta 2 is the density after the standard color block irradiation. The delta% is the difference between before and after irradiation of the color block, and the relative fading property after irradiation of the ink printing color block is obtained.
TABLE 1 Experimental component ratios and discoloration tables
From the test data, the discoloration resistance was reduced as compared with 1, 2 and 3 in examples. The results show that the combined use of the copolymer and the nano zinc oxide improves the light fastness by 12 to 13 percent compared with the light fastness without the two compounds. Example 1 compared to comparative example 1, example 2 compared to comparative example 2, and example 3 compared to comparative example 3, all showed reduced ink fade. The results show that the addition of UV absorbers to the inks results in a reduction in the discoloration and thus in an improvement in the light fastness.
The above is not relevant and is applicable to the prior art.
While certain specific embodiments of the present invention have been described in detail by way of illustration, it will be understood by those skilled in the art that the foregoing is illustrative only and is not limiting of the scope of the invention, as various modifications or additions may be made to the specific embodiments described and substituted in a similar manner by those skilled in the art without departing from the scope of the invention as defined in the appending claims. It should be understood by those skilled in the art that any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. The gravure printing lightfast ink is characterized in that: the composition is prepared from the following components in parts by mass:
15-28 parts of polyurethane resin
1-5 parts of ultraviolet absorbent
3-12 parts of epoxy resin
46-98 parts of a dissolving agent;
the ultraviolet absorbent comprises the following components in parts by weight: 0.2-1 part of copolymer and 1 part of nano zinc oxide
0-2 parts of nano titanium dioxide; the molecular structure general formula of the copolymer is as follows:
2. the gravure lightfast ink of claim 1 wherein: the particle size range of the nano zinc oxide is 20-40 nm, and the particle size range of the nano titanium dioxide is 10-30 nm.
3. The gravure lightfast ink of claim 1 wherein: further comprising:
0.1-0.25 part of coupling agent.
4. The gravure lightfast ink of claim 1 wherein: further comprising:
1-7 parts of dispersant
8-20 parts of colorant
1-4 parts of wear-resisting agent
0.3-1.3 parts of leveling agent.
5. The gravure lightfast ink of claim 1 wherein: the dissolving agent comprises the following components in percentage by mass:
40-65 parts of n-propyl ester
3-18 parts of ethanol
3-15 parts of ethyl acetate.
6. The gravure lightfast ink of claim 4 wherein: the leveling agent is ternary polymerization type polyacrylate obtained by free radical polymerization of butyl acrylate, methyl methacrylate and acrylic acid-2-hydroxyethyl ester.
7. The gravure lightfast ink of claim 4 wherein: the dispersant is one or at least two selected from dispersant NNO, lithium salt and potassium salt of aromatic sulfonic acid formaldehyde condensate, lithium salt and potassium salt of beta-naphthalenesulfonic acid and lithium salt and potassium salt of beta-naphthalenesulfonic acid formaldehyde condensate.
8. The gravure lightfast ink of claim 4 wherein: the colorant is a pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232624.4A CN108410258B (en) | 2018-03-21 | 2018-03-21 | Sun-proof gravure printing ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810232624.4A CN108410258B (en) | 2018-03-21 | 2018-03-21 | Sun-proof gravure printing ink |
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| CN108410258A CN108410258A (en) | 2018-08-17 |
| CN108410258B true CN108410258B (en) | 2021-08-27 |
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| CN112370391A (en) * | 2020-11-30 | 2021-02-19 | 劳华 | Moisturizing camellia oleifera sunscreen cream and preparation method thereof |
| CN112606584A (en) * | 2020-12-15 | 2021-04-06 | 张家界恒林生态木有限公司 | Surface treatment method of wood-plastic board |
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| CN103484060A (en) * | 2013-08-12 | 2014-01-01 | 曹坚林 | Novel inorganic ultraviolet absorbent and preparation method thereof |
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| JP2006510773A (en) * | 2002-12-20 | 2006-03-30 | チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド | Inkjet and recording materials |
| KR100532102B1 (en) * | 2003-05-27 | 2005-11-29 | 삼성전자주식회사 | Benzophenone compounds and ink composition containing the same |
| CN101284965B (en) * | 2007-04-10 | 2011-09-07 | 樊官保 | Water-based intaglio ink equal to plate engraving ink and uses thereof |
| CN101061995A (en) * | 2007-05-22 | 2007-10-31 | 汕头大学 | Cosmetic including natural substance having sun-screening function |
| CN102247303B (en) * | 2011-05-20 | 2013-03-06 | 上海大学 | Organic-inorganic self-assembled ultraviolet absorbent and preparation method thereof |
| CN104387884A (en) * | 2014-12-08 | 2015-03-04 | 四川东材科技集团股份有限公司 | Ultraviolet-absorbing coating and preparation method thereof |
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