Colorless ink capable of realizing color development in air, and preparation method thereof
A colorless ink and air technology, applied in the field of ink, can solve the problems that it is difficult to arouse children's curiosity, it is not easy to stimulate the interest of learning and exploration, and there is no obvious difference in ink, so as to achieve the effect of bright color, smooth writing and low price
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Embodiment 1
[0015] Weigh 0.03 g of nonylphenol polyoxyethylene ether, 0.3 g of hydroxyethyl cellulose, 1.8 g of ethylene glycol and 1.6 g of ethanol and dissolve in 10 g of distilled water; add 3.0 g of sodium hydroxide and 18.5 g of vitamin C to the above solution in sequence , continue to add 30 grams of distilled water and stir to dissolve; continue to add 0.5 grams of methylene blue and 34.27 grams of distilled water, and stir until uniform.
Embodiment 2
[0017] Weigh 0.05 gram of AES, 0.8 gram of hydroxyethyl cellulose, 1.4 gram of glycerin and 1.9 gram of ethanol and dissolve in 15 grams of distilled water; add 2.3 grams of potassium hydroxide and 12 grams of sodium sulfite to the above solution in turn, continue to add 25 grams of distilled water and Stir to dissolve; continue to add 0.3 grams of methylene blue and 41.25 grams of distilled water, and stir until uniform.
Embodiment 3
[0019] Weigh 0.08 g of AEO, 1.1 g of carboxymethyl cellulose, 2.1 g of ethylene glycol and 1.0 g of ethanol and dissolve in 21 g of distilled water; add 7.2 g of sodium hydroxide and 9.0 g of sodium sulfoxylate into the above solution in turn, and continue to add 18 1 g of distilled water and stir to dissolve; continue to add 1.0 g of methylene blue and 39.52 g of distilled water, and stir until uniform.
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