A kind of fluorescent printing oil and preparation method thereof
A technology of printing oil and fluorescence, applied in the field of anti-counterfeiting, can solve the problem of being easily imitated by others, and achieve the effect of obvious anti-counterfeiting effect, high transparency and high production efficiency.
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Embodiment 1
[0012] The fluorescent printing oil of the present invention comprises the following components by weight percentage: self-made fluorescent powder (0.5%), propylene glycol monomethyl ether (25%), propylene glycol monoethyl ether (38%) and 2-methyl-2,4-pentanedi Alcohol (18.5%) and ketone-formaldehyde resin (18%); Wherein, self-made fluorescent powder is made by following method: rare earth tertium salt, alkali and ligand 2,6-dihydroxybenzoic acid are mixed in water, ethanol or water and ethanol prepared by reaction in the mixture.
[0013] The preparation method of the fluorescent printing oil of the present invention is as follows: accurately weigh 25 parts of propylene glycol monomethyl ether, 38 parts of propylene glycol monoethyl ether, 18.5 parts of 2-methyl-2,4-pentanediol and 18 parts of ketone-aldehyde resin, stir at room temperature until the resin is completely Dissolve, weigh 0.5 parts of self-made fluorescent powder and add to the mixed solution, stir at room tempe...
Embodiment 2
[0015] The fluorescent printing oil of the present invention comprises the following components by weight percentage: self-made fluorescent powder (1.5%), propylene glycol monomethyl ether (22%), propylene glycol monoethyl ether (36%) and 2-methyl-2,4-pentanedi Alcohol (16.5%) and ketone-formaldehyde resin (24%); Wherein, self-made fluorescent powder is made by following method: rare earth tertium salt, alkali and ligand 2,6-dihydroxybenzoic acid are mixed in water, ethanol or water and ethanol prepared by reaction in the mixture.
[0016] The preparation method is the same as in Example 1.
[0017] The fluorescent ink of the present invention mainly has the following characteristics:
[0018] (1) Colorless and transparent: it can be used on plastic film packaging. The planned main market is to leave invisible anti-counterfeiting marks on the inconspicuous parts of the plastic film outer packaging when the main market is to sell relatively expensive products such as cigarette...
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