CN107526258B - Environment-friendly color fluorescent anti-counterfeiting ink powder for printing - Google Patents
Environment-friendly color fluorescent anti-counterfeiting ink powder for printing Download PDFInfo
- Publication number
- CN107526258B CN107526258B CN201710840197.3A CN201710840197A CN107526258B CN 107526258 B CN107526258 B CN 107526258B CN 201710840197 A CN201710840197 A CN 201710840197A CN 107526258 B CN107526258 B CN 107526258B
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/0821—Developers with toner particles characterised by physical parameters
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/083—Magnetic toner particles
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/097—Plasticisers; Charge controlling agents
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses an environment-friendly color fluorescent anti-counterfeiting ink powder for printing, which comprises the following components in parts by weight: 50-60 parts of monovinyl copolymer resin, 8-15 parts of organic modified diatomite, 10-18 parts of wax, 7-15 parts of talcum powder, 2-4.5 parts of maleic anhydride grafted starch, 0.5-3 parts of nano ferroferric oxide, 0.05-0.8 part of quantum dot fluorescent powder, 0.1-2.5 parts of charge regulator and 0.5-2 parts of external additive. The quantum dots are applied to the anti-counterfeiting ink powder, so that not only are reliable anti-counterfeiting ink powder components obtained, but also the anti-counterfeiting components are hidden, and can present strong visible light under the action of ultraviolet light.
Description
Technical Field
The invention relates to the field of printing ink powder, in particular to environment-friendly color fluorescent anti-counterfeiting ink powder for printing.
Background
Toner is one of the very critical factors that ensures print quality. The main component of the toner is not carbon, but most of them is composed of resin and carbon black, a charge agent, magnetic powder, and the like. At present, the ink powder on the market is diversified, but the great trend is that the carbon powder production develops towards refinement, colorization and high speed.
The ultraviolet fluorescent anti-counterfeiting toner is prepared by adding a fluorescent compound into a toner, and the ultraviolet fluorescent colorless toner is prepared by adding a corresponding invisible ultraviolet fluorescent compound into the toner. Characters printed by the ultraviolet fluorescent colorless ink powder are invisible or light-colored prints under common light, and the printed anti-counterfeiting contents are only clearly visible and have bright fluorescence under the irradiation of ultraviolet light. At present, colorless anti-counterfeiting fluorescent ink has been applied, and the preparation process and the anti-counterfeiting technology are mature day by day. However, high-quality colorless fluorescent toners used in laser printers are not uncommon. Most fluorescent substances are self-colored and interfered or are organic components, and the service life of the fluorescent substances is not as long as that of pigments, so that the defects in the aspect of anti-counterfeiting technology are caused.
Therefore, an anti-counterfeiting toner formula which is light in color, can emit light continuously and does not generate large interference on a toner pigment must be designed, and meanwhile, the anti-counterfeiting toner must be environment-friendly in composition so as to improve the anti-counterfeiting technical level.
Disclosure of Invention
The invention aims to provide an environment-friendly color fluorescent anti-counterfeiting ink powder for printing, which adopts quantum dots as fluorescent materials, has little use amount, little influence on the color and stability of the ink powder, durable use, pure color and obvious anti-counterfeiting mark, and solves the problems in the prior art.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
an environment-friendly color fluorescent anti-counterfeiting ink powder for printing comprises the following components in parts by weight:
preferably, the external additive comprises at least two of diatomite, hexamethyldisilazane and dimethyldichlorosilane, and at least one of divinylbenzene, isoprene, 1, 3-butadiene and divinyl ether. The combination of external additives plays a key role in blending and modifying the whole system.
Preferably, the wax is one of polyethylene wax, polypropylene wax, paraffin wax, carnauba wax, candelilla wax, montan wax or a combination thereof. The wax has excellent modification performance and can not replace the structural modification of the ink powder.
Preferably, the quantum dots in the quantum dot fluorescent powder are oil-phase quantum dots, and the ligand coated by the quantum dots is one of fatty amine, oleylamine and oleic acid with 8-18 carbon atoms. The long chain of the ligand of the quantum dot is beneficial to the compatibility with surrounding organic and non-polar media.
Further, the quantum dots are ZnSe/SiO2、ZnSe/ZnS、ZnS/SiO2ZnS, CuInS, InP or a physical mixture thereof. The quantum dots are free of cadmium and lead and stable in light emitting performance.
Preferably, the comonomers of the monovinyl copolymer resin include: esters formed by reaction of acrylic acid and saturated monohydric alcohols having 1-6 carbon atoms, esters formed by reaction of methacrylic acid and saturated monohydric alcohols having 2-6 carbon atoms, hydroxyethyl methacrylate, and hydroxypropyl methacrylate. The above acrylic acid-based esters enable the basic skeleton of the ink powder to have better elasticity, compactness, compatibility, bonding and other properties.
Preferably, the charge regulator is one of a tert-butyl salicylic acid metal complex, an azo metal complex and a benzilic acid metal complex. The charge regulator has stable regulation and lasting efficacy.
The invention has the beneficial effects that: the anti-counterfeiting ink powder disclosed by the invention has the advantages of small using amount of ultraviolet luminescent components, concealment, and stable and durable fluorescence performance. The nano ferroferric oxide has magnetism and excellent fluidity; the wax, the talcum powder and the maleic anhydride grafted starch lead the system to have mild condition and environment-friendly materials; the silane component of the external additive enables the overall performance to be blended and reasonably modified; the integral framework of the monovinyl copolymer resin has stable and reliable performance. The quantum dots are applied to the anti-counterfeiting ink powder, so that not only are reliable anti-counterfeiting ink powder components obtained, but also the anti-counterfeiting components are hidden, and can present strong visible light under the action of ultraviolet light.
Detailed Description
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the embodiments.
An environment-friendly color fluorescent anti-counterfeiting toner for printing comprises the components in parts by weight according to the embodiments in Table 1.
TABLE 1 Components of the examples (unit: parts by weight)
Wherein, the external additive comprises at least two of diatomite, hexamethyldisilazane and dimethyldichlorosilane, and at least one of divinylbenzene, isoprene, 1, 3-butadiene and divinyl ether; the wax is one or the combination of polyethylene wax, polypropylene wax, paraffin wax, carnauba wax, candelilla wax and montan wax; the quantum dots in the quantum dot fluorescent powder are oil phase quantum dots, and the ligand coated by the quantum dots is one of fatty amine, oleylamine and oleic acid with 8-18 carbon atoms; the quantum dots are ZnSe/SiO2、ZnSe/ZnS、ZnS/SiO2ZnS, CuInS, InP or a physical mixture thereof.
Further, the comonomers of the monovinyl copolymer resin include: esters formed by reaction of acrylic acid and saturated monohydric alcohols having 1-6 carbon atoms, esters formed by reaction of methacrylic acid and saturated monohydric alcohols having 2-6 carbon atoms, hydroxyethyl methacrylate, and hydroxypropyl methacrylate.
The charge control agent is one of a tert-butyl salicylic acid metal complex, an azo metal complex, and a benzilic acid metal complex.
Practice proves that the ink powder is applied to the anti-counterfeiting part of the printed matter, and the ultraviolet lamp with 280-365nm irradiates to display prominent and bright visible fluorescence, the fluorescence intensity is not attenuated for a long time, the adhesion fastness is high, and the use is durable.
The above embodiments are only intended to illustrate the preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, various modifications and equivalent substitutions can be made without departing from the principle of the present invention, and the scope of the present invention is still covered by the claims.
Claims (5)
1. The environment-friendly color fluorescent anti-counterfeiting ink powder for printing is characterized by comprising the following components in parts by weight:
50-60 parts of monovinyl copolymer resin
8-15 parts of organic modified diatomite
10-18 parts of wax
7-15 parts of talcum powder
2-4.5 parts of maleic anhydride grafted starch
0.5-3 parts of nano ferroferric oxide
0.05-0.8 part of quantum dot fluorescent powder
0.1 to 2.5 portions of charge regulator
0.5-2 parts of external additive;
the comonomers of the monovinyl copolymer resin include: esters generated by reaction of acrylic acid and saturated monohydric alcohols with 1-6 carbon atoms, esters generated by reaction of methacrylic acid and saturated monohydric alcohols with 2-6 carbon atoms, hydroxyethyl methacrylate and hydroxypropyl methacrylate;
the external additive comprises at least two of diatomite, hexamethyldisilazane and dimethyldichlorosilane, and at least one of divinylbenzene, isoprene, 1, 3-butadiene and divinyl ether.
2. The environmentally friendly fluorescent security toner for printing as claimed in claim 1, wherein the wax is one of polyethylene wax, polypropylene wax, paraffin wax, carnauba wax, candelilla wax, montan wax or a combination thereof.
3. The environment-friendly color fluorescent anti-counterfeiting toner for printing as claimed in claim 1, wherein the quantum dots in the quantum dot fluorescent powder are oil phase quantum dots, and the ligand coated by the quantum dots is one of fatty amine and oleic acid with 8-18 carbon atoms.
4. The environment-friendly color fluorescent anti-counterfeiting toner for printing as claimed in claim 3, wherein the quantum dots are ZnSe/SiO2、ZnSe/ZnS、ZnS/SiO2ZnS, CuInS, InP or a physical mixture thereof.
5. The environment-friendly color fluorescent anti-counterfeiting toner for printing as claimed in claim 1, wherein the charge regulator is one of tert-butyl salicylic acid metal complex, azo metal complex and benzilic acid metal complex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840197.3A CN107526258B (en) | 2017-09-18 | 2017-09-18 | Environment-friendly color fluorescent anti-counterfeiting ink powder for printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840197.3A CN107526258B (en) | 2017-09-18 | 2017-09-18 | Environment-friendly color fluorescent anti-counterfeiting ink powder for printing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107526258A CN107526258A (en) | 2017-12-29 |
| CN107526258B true CN107526258B (en) | 2021-04-06 |
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| CN201710840197.3A Expired - Fee Related CN107526258B (en) | 2017-09-18 | 2017-09-18 | Environment-friendly color fluorescent anti-counterfeiting ink powder for printing |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082786A (en) * | 2006-05-31 | 2007-12-05 | 京瓷美达株式会社 | Toner, toner particle-producing method, image-forming apparatus and image-forming process |
| CN101427187A (en) * | 2006-04-19 | 2009-05-06 | 保土谷化学工业株式会社 | Charge control agent composition and toner utilizing the same |
| CN103645617A (en) * | 2013-12-24 | 2014-03-19 | 深圳市乐普泰科技股份有限公司 | Color fluorescent anti-counterfeiting invisible ink powder and preparation method thereof |
| CN106700733A (en) * | 2016-12-26 | 2017-05-24 | 天津理工大学 | Water-based fluorescent falsification-resistant ink based on semiconductor quantum dots as well as preparation method and application of ink |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5434610B2 (en) * | 2010-01-12 | 2014-03-05 | 富士ゼロックス株式会社 | Toner for electrostatic image development, electrostatic image developer, toner cartridge, process cartridge, image forming method and image forming apparatus |
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2017
- 2017-09-18 CN CN201710840197.3A patent/CN107526258B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101427187A (en) * | 2006-04-19 | 2009-05-06 | 保土谷化学工业株式会社 | Charge control agent composition and toner utilizing the same |
| CN101082786A (en) * | 2006-05-31 | 2007-12-05 | 京瓷美达株式会社 | Toner, toner particle-producing method, image-forming apparatus and image-forming process |
| CN103645617A (en) * | 2013-12-24 | 2014-03-19 | 深圳市乐普泰科技股份有限公司 | Color fluorescent anti-counterfeiting invisible ink powder and preparation method thereof |
| CN106700733A (en) * | 2016-12-26 | 2017-05-24 | 天津理工大学 | Water-based fluorescent falsification-resistant ink based on semiconductor quantum dots as well as preparation method and application of ink |
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| CN107526258A (en) | 2017-12-29 |
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