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Temperature-resistant anti-counterfeiting compound and method for producing same

A composition and high temperature resistance technology, applied in the field of anti-counterfeiting compositions, can solve the problems of unfavorable protection, low temperature, poor anti-counterfeiting effect, etc., and achieve the effects of lasting anti-counterfeiting effect, wear resistance, wide source of raw materials, and good high temperature resistance performance.

Inactive Publication Date: 2013-02-06
SHENZHEN YONGFENGYUAN PORCELAIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the method of integrally molding the fluorescent anti-counterfeiting label in the container body, the anti-counterfeiting effect is better, but the molding temperature is lower than 300°C
[0003] In the technical field of ceramics and glass, since it needs to be roasted, and the roasting temperature is often higher than 300°C, the existing fluorescent anti-counterfeiting technology cannot meet the requirements of ceramics and glass deglazing, and cannot integrally form fluorescent anti-counterfeiting marks on ceramics, glass, etc. in the glass
If normal temperature anti-counterfeiting such as organic ink printing is carried out on the baked ceramic and glass products, the anti-counterfeiting effect will be poor, which is not conducive to the protection of genuine products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1 High temperature resistant anti-counterfeiting composition.

[0022] According to Ba 0.92 MgAl 10 o 17 : 0.08Eu 2+ Stoichiometric ratio, respectively weigh 5 mol of aluminum oxide, 0.08 mol of europium acetate, 1 mol of magnesium carbonate, 0.92 mol of barium carbonate, add alcohol and grind to obtain raw material mixed powder; Calcining at 1400° C. in a hydrogen atmosphere to obtain a calcined powder; grinding, washing, drying, and passing the calcined powder through a 400-mesh sieve to obtain an aluminate phosphor. Weigh respectively the quartz powder (200 mesh) of 25 parts by weight, the potassium feldspar powder (200 mesh) of 20 parts by weight, the borax of 17 parts by weight, the boric acid of 23 parts by weight, the ZnO of 8 parts by weight, 3 Li in parts by weight 2 CO 3 , 2 parts by weight of CaCO 3 , 2 parts by weight of MgCO 3 , after mixing evenly, melt at 1250°C, put into cold water and quench to form a frit; put the frit into a ball mill...

Embodiment 2

[0024] Example 2 High temperature resistant anti-counterfeiting composition.

[0025] The aluminate fluorescent powder prepared in Example 1 and the prepared glass flux were uniformly mixed at a mass ratio of 60:40 to prepare a high temperature resistant anti-counterfeiting composition. Add the high-temperature resistant anti-counterfeiting composition to the varnish oil used for printing ceramic flower paper at a mass ratio of 1:1, and after mixing, roll it into ink with a three-roll mill; make the designed anti-counterfeiting pattern into a screen, and use the above ink to pass through Screen printing to print the anti-counterfeiting pattern on the decal paper, or overprint it on the decal paper with the decal pattern printed on it, cover the cover oil after drying, then transfer the decal paper printed with the anti-counterfeiting ink to the ceramic, put the decal Baking in the kiln at 850°C for 10 minutes, after firing, the anti-counterfeiting pattern can be irradiated w...

Embodiment 3

[0026] Example 3 High temperature resistant anti-counterfeiting composition.

[0027] According to Ba 0.8 MgAl 10 o 17 : 0.2Eu 2+ Stoichiometric ratio, respectively weigh 5 mol of aluminum oxide, 0.2 mol of europium acetate, 1 mol of magnesium carbonate, 0.8 mol of barium carbonate, add alcohol and grind to obtain raw material mixed powder; Calcining at 1300° C. in a hydrogen atmosphere to obtain a calcined powder; grinding, washing, drying, and passing the calcined powder through a 400-mesh sieve to obtain an aluminate phosphor. Weigh respectively 30 parts by weight of quartz powder (200 mesh), 15 parts by weight of potassium feldspar powder (200 mesh), borax of 20 parts by weight, boric acid of 20 parts by weight, ZnO of 5 parts by weight, 5 Na in parts by weight 2 CO 3 , 2 parts by weight of BaCO 3 , 3 parts by weight of MgCO 3, after mixing evenly, melt at 1350°C, quench in cold water to make a frit; put the frit into a ball mill, grind it finely, dehydrate, dry,...

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PUM

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Abstract

The invention provides a temperature-resistant anti-counterfeiting compound. The temperature-resistant anti-counterfeiting compound consists of 10%-70% of aluminate fluorescent powder and 30%-90% of glass flux by mass percent; the chemical formula of the aluminate fluorescent powder is Ba(1-x)MgAl10O17:xEu<2+>, wherein 0.01<=x<=0.2; and the glass flux comprises the following components by mass percent: 30%-50% of SiO2, 0-10% of Al2O3, 5%-35% of B2O3, 0%-15% of ZnO, 1%-10% of alkali metal and 0%-10% of alkaline earth metal. The temperature-resistant anti-counterfeiting compound provided by the invention has wide materials supply, no pollution and high temperature resistance, and can satisfy the requirements of ceramic and glass decorating firing and the like; a fluorescent pattern can be shown after irradiating an anti-counterfeiting pattern through ultraviolet of 220-365 nanometers; and the temperature-resistant anti-counterfeiting compound cannot be imitated, has a good anti-counterfeiting effect and is durable and wear-resistant.

Description

technical field [0001] The invention relates to an anti-counterfeiting composition, in particular to a high-temperature-resistant anti-counterfeiting composition and a preparation method thereof. Background technique [0002] Anti-counterfeiting technologies are diverse and widely used in many fields. As one of the anti-counterfeiting means, fluorescent anti-counterfeiting is applied to more important tickets, currency, commodity identification, etc., but the existing fluorescent anti-counterfeiting technology is limited to the application at room temperature or below 300°C. For example, the patent No. 200610035687.8 is an anti-counterfeiting container and its manufacturing method and molding device, which describes an anti-counterfeiting container and its manufacturing method and molding device. The anti-counterfeiting container includes a plastic extrusion or injection molding blow-molded container body, Wherein at least one side wall or bottom of the container body is in...

Claims

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Application Information

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IPC IPC(8): C09K11/64C09K11/02C03C3/064C03C3/066C03C3/093C03C3/091C03C3/089
Inventor 刘权辉姜兆岭刘权耀
Owner SHENZHEN YONGFENGYUAN PORCELAIN
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