Long persistence luminescent painting ink

A long afterglow, ink technology, applied in ink, household appliances, applications, etc., can solve the problems of loss of anti-counterfeiting function, difficult to achieve anti-counterfeiting, short luminous time, etc., to achieve good light fastness, improved physical and chemical resistance, and safety. Environmentally friendly effect

Inactive Publication Date: 2004-11-10
南昌印钞厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So to some extent, the general fluorescent anti-counterfeiting has lost its proper anti-counterfeiting function
[0004] However, inks composed of traditional luminescent materials such as zinc sulfide have many problems such as short luminous time, low brightness, and poor light resistance.
The main reason is that the light-emitting time is short, and it is difficult to realize the anti-counterfeiting function

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A long afterglow luminous ink, including 5 parts of luminous material in weight ratio; 1 part of alkyd resin oil; 3 parts of quick-drying bright phenolic resin oil; 0.6 part of No. 3 varnish; 0.3 parts of cobalt linseed oleate, 0.1 part of conventional metal drier, 0.1 part of cobalt linseed oleate, and the luminous material is SrAl excited by rare earth europium 2 o 4 , the dispersant is polyethylene glycol monomethyl ether with a polymeric molecular weight of 800.

Embodiment 2

[0027] A long afterglow luminous ink, including 4 parts of luminous material in weight ratio; 1.5 parts of alkyd resin oil; 3.6 parts of quick-drying bright phenolic resin oil; 0.8 part of No. 4 varnish; 0.3 parts of manganese oil, 0.1 part of conventional metal drier, 0.1 part of manganese oil acid, and the luminous material is SrAl excited by rare earth europium 2 o 4 , the dispersant is polypropylene glycol with a polymeric molecular weight of 700.

Embodiment 3

[0029] A long afterglow luminous ink, comprising 6 parts of luminous material in weight ratio; 1.2 parts of alkyd resin oil; 3.3 parts of quick-drying bright phenolic resin oil; 0.7 part of No. 2 varnish; 0.3 parts of cobalt naphthenate, 0.1 part of cobalt naphthenate as a conventional metal drier, and the luminous material is SrAl excited by rare earth europium 2 o 4 , the dispersant is polypropylene glycol with a polymeric molecular weight of 700.

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PUM

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Abstract

The invention relates to a noctilucent ink, in particular a long persistence noctilucent ink comprising 4-6 pts. by wt. of noctilucent material, 1.0-1.5 pts. by wt. of alkid resin oil, 3.0-3.6 pts. by wt. quick-drying formaldehyde-phenol resin, 0.6-450 pts. by wt. of abrasive ink, wherein the auxiliary agent comprises 0.3 pts. of dispersing agent and 0.1 pts. of conventional metal drier, wherein the noctilucent material is MOnAl2O3 agitated by rare earth europium, M is one or more of Sr, Mg, Ba and Ca, n=1-3.

Description

technical field [0001] The invention relates to luminous ink, in particular to a long afterglow luminous ink. Background technique [0002] Luminous ink is a new type of safe anti-counterfeiting ink, and this technology is still in the development stage at home and abroad. It mainly plays an anti-counterfeiting role in security and anti-counterfeiting printing such as securities printing, tax invoices, invoices, and credit cards. [0003] Luminous ink can be applied to gravure printing and screen printing. At present, in the field of anti-counterfeiting self-luminous inks, fluorescent substances are mostly used in domestic optical anti-counterfeiting inks. The technology of fluorescent anti-counterfeiting inks is quite mature and has a wide range of applications. Inks made of some special fluorescent materials can emit specific colors in a specific wavelength range to achieve anti-counterfeiting, but special instruments are required for identification. At present, ultravi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/03C09D11/103C09D11/105
Inventor 郭力王勤
Owner 南昌印钞厂
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