Friction luminous antiforge printing ink and mfg. method thereof
A technology of triboluminescence and anti-counterfeiting ink, which is applied in ink, household utensils, applications, etc. It can solve the problems of disappearance, poor moisture resistance and acid resistance, increase the printing process and difficulty, etc., so as to improve the service life, moisture resistance and acid resistance. Effect
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Embodiment 1
[0019] First, the triboluminescent material is processed into powder with a particle size of less than 5 μm by jet pulverization method or ball milling method to remove the ultraviolet fluorescence characteristics of the material; The vacuum furnace was evacuated to 0.1Pa, then filled with nitrogen, and the nitrogen input flow was 80ml / min; the vacuum furnace was heated to 800°C, and started to vibrate, and the vibration acceleration was 6m / s 2 ; Then feed SiCl to the vacuum furnace simultaneously through two pipelines 4 High purity gas and water vapor, SiCl 4 The input flow rate of high-purity gas is 50ml / min, and the input flow rate of water vapor is 70ml / min; the reaction lasts for 30 minutes, and the waste gas is discharged after purification. After natural cooling to room temperature, stop inputting nitrogen gas, put it into the atmosphere, and take out the treated triboluminescent material; finally, put 15% of the triboluminescent material into the printing ink by weigh...
Embodiment 2
[0021] Put the triboluminescent material powder with a particle size of 5μm or less into a high-temperature vacuum furnace; evacuate to 0.2Pa, and the nitrogen flow rate is 120ml / min; raise the temperature to 900°C; start to vibrate, and the vibration acceleration is 10m / s 2 ;Enter SiCl again 4 High purity gas and water vapor, SiCl 4 The high-purity gas and water vapor flow rates were 60 ml / min and 80 ml / min, respectively, and the reaction lasted for 75 minutes. 35% of the triboluminescent material by weight is put into the printing ink to make the triboluminescent anti-counterfeiting ink.
Embodiment 3
[0023] Put the triboluminescent material powder with a particle size of 5μm or less into a high temperature vacuum furnace, evacuate to 0.28Pa, the nitrogen flow rate is 150ml / min, the temperature is raised to 1000°C, and the vibration acceleration is 16m / s 2 , then enter SiCl 4 High purity gas and water vapor, SiCl 4 The high-purity gas and water vapor flow rates were 70 ml / min and 90 ml / min, respectively, and the reaction lasted for 120 minutes. By weight, 60% of the triboluminescent material is put into the printing ink to prepare the triboluminescent anti-counterfeiting ink.
[0024] In the above embodiment, the higher the vacuum degree in the furnace, the higher the nitrogen concentration, the more stable the chemical reaction environment, the higher the vibration acceleration, the more sufficient the contact between the surface of the friction luminescent material particles and the reaction gas, and the more complete the contact between the surface of the friction lumin...
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