Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Anti-counterfeit ink power

A toner and phosphor technology, applied in the field of anti-counterfeiting toner, can solve the problems of single relative color, narrow spectral range, poor concealment, etc., and achieve the effect of increasing anti-counterfeiting strength, wide application and widening spectral range.

Inactive Publication Date: 2010-02-17
FOREVER TECH
View PDF2 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The contents of the above patents all use a single type of fluorescent powder, and the digital graphics printed with ultraviolet fluorescent anti-counterfeiting toner can be identified by the ultraviolet fluorescent lamps that have been widely used, and the concealment is poor; the digital graphics printed with infrared fluorescent toner are relatively The spectral range is narrow, the relative color is single, and the encryption is relatively poor

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Take 70% of ordinary toner by weight, 15% of infrared colorful fluorescent powder with a particle size of 5-15 μm, and 15% of ultraviolet fluorescent powder with a particle size of 5-15 μm, and put them into the airflow mixer in proportion and stir for 4 minutes. Stir evenly and pack into products.

Embodiment 2

[0009] (1) Select 10% of infrared fluorescent powder by weight, 10% of ultraviolet fluorescent powder, 60% of polyester resin, 5% of polypropylene wax, 4% of charge regulator, 1% of hydrophobic silicon dioxide, and 10% of pigment ,stand-by;

[0010] (3) Pour infrared colorful fluorescent powder, ultraviolet fluorescent powder, polyester resin, polypropylene wax, charge regulator, and pigment into a high-speed mixer in sequence, and mix evenly to make a mixture;

[0011] (4) Put the above compound into a screw extruder, and extrude the compound into 20-30mm fragments at 120°C;

[0012] (5) Carry out pulverization and classification with a fluidized bed type airflow pulverization classifier to obtain a pulverized semi-finished product of 5-15 μm;

[0013] (6) Add hydrophobic silicon dioxide to the semi-finished crushed powder, and stir for 4 minutes with a high-speed mixer to obtain a finished product of anti-counterfeit toner.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Granularityaaaaaaaaaa
Login to View More

Abstract

The invention relates to anti-counterfeit ink power which comprises common ink power, infrared colorful fluorescent powder and ultraviolet fluorescent powder and the like. The common ink power product, the infrared colorful fluorescent powder and the ultraviolet fluorescent powder are evenly stirred in an air current mixer in proportion, or the infrared colorful fluorescent powder and the ultraviolet fluorescent powder are taken as raw materials to be mixed with other raw materials in proportion, and the process of milling and melting method is adopted to prepare the anti-counterfeit ink power. The infrared colorful fluorescent powder and the ultraviolet fluorescent powder are added simultaneously, which can broaden spectral range. The image-text printed by the ink power can be viewed 3-6fluorescence under the irradiation of a laser light; and the ultraluminescent substances, namely, ultraviolet fluorescent powder can be displayed under the irradiation of a long-wave ultraviolet lamp.The detection method is simple and visual, can improve anti-counterfeiting effects and enhances the reliability of the information.

Description

technical field [0001] The present invention relates to an anti-counterfeit toner for electrostatic image development. Background technique [0002] At present, the graphic materials printed by ordinary toner have no particularity, and it is often difficult to distinguish the authenticity. In specific occasions, such as national defense, military, and economic fields, it is often necessary to identify the authenticity of printed materials. Therefore, the anti-counterfeiting technology of printed materials is also required. Chinese patent No. 200810024836.x is to put latex polymer resin, colored pigment, charge regulator, fluorescent powder, wax and other raw materials together, stir them evenly to make a mixed solution, and then use a spray dryer to dry them at 160 Spray the solution at a temperature of -300°C to make granular materials, then classify and screen the granular materials with airflow classification equipment, add external additives, and make them through unifo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G03G9/097
Inventor 俎全高
Owner FOREVER TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com